Changes since U-Boot 0.2.2:
======================================================================
+* Patch by Rick Bronson, 16 Mar 2003:
+ Add support for Atmel AT91RM9200DK w/NAND
+
+* Patches by Robert Schwebel, 19 Mar 2003:
+ - use arm-linux-gcc as default compiler for ARM
+ - fix i2c fixup code
+ - fix missing baudrate setting
+ - added $loadaddr / CFG_LOAD_ADDR support to loadb
+ - moved "ignoring trailing characters" _before_ u-boot wants to
+ print out diagnostics messages; removes bogus characters at the
+ end of transmission
+
+* Patch by John Zhan, 18 Mar 2003:
+ Add support for SinoVee Microsystems SC8xx boards
+
+* Patch by Rolf Offermanns, 21 Mar 2003:
+ ported the dnp1110 related changes from the current armboot cvs to
+ current u-boot cvs. smc91111 does not work. problem marked in
+ smc91111.c, grep for "FIXME".
+
+* Patch by Brian Auld, 25 Mar 2003:
+ Add support for STM flash chips on ebony board
+
* Add PCI support for MPC8250 Boards (PM825 module)
* Patch by Stefan Roese, 25 Mar 2003:
E: raphael.bossek@solutions4linux.de
D: 8xxrom-0.3.0
+N: Rick Bronson
+E: rick@efn.org
+D: Atmel AT91RM9200DK w/NAND support
+
N: David Brown
E: DBrown03@harris.com
D: Extensions to 8xxrom-0.3.0
E: christian.vejlbo@tellabs.com
D: FADS860T ethernet support
+N: John Zhan
+E: zhanz@sinovee.com
+D: Support for SinoVee Microsystems SC8xx SBC
+
N: Alex Zuepke
E: azu@sysgo.de
D: Overall improvements on StrongARM, ARM720TDMI; Support for Tuxscreen; initial PCMCIA support for ARM
sacsng MPC8260
+Rick Bronson <rick@efn.org>
+
+ AT91RM9200DK at91rm9200
+
Oliver Brown <obrown@adventnetworks.com>
gw8260 MPC8260
MPC8266ADS MPC8266
+John Zhan <zhanz@sinovee.com>
+
+ svm_sc8xx MPC8xx
+
-------------------------------------------------------------------------
Unknown / orphaned boards:
lwmon MBX MBX860T MHPC \
MVS1 NETVIA NX823 pcu_e \
R360MPI RPXClassic RPXlite RRvision \
- SM850 SPD823TS SXNI855T TOP860 \
- TQM823L TQM823L_LCD TQM850L TQM855L \
- TQM860L TQM860L_FEC TTTech v37 \
+ SM850 SPD823TS svm_sc8xx SXNI855T \
+ TOP860 TQM823L TQM823L_LCD TQM850L \
+ TQM855L TQM860L TQM860L_FEC TTTech \
+ v37 \
"
#########################################################################
## StrongARM Systems
#########################################################################
-LIST_SA="lart shannon dnp1110"
+LIST_SA="at91rm9200dk dnp1110 lart shannon"
#########################################################################
## ARM7 Systems
#########################################################################
-LIST_ARM7="impa7 ep7312"
+LIST_ARM7="ep7312 impa7"
#########################################################################
## ARM9 Systems
## Xscale Systems
#########################################################################
-LIST_xscale="lubbock cradle csb226 innokom"
+LIST_xscale="cradle csb226 innokom lubbock"
LIST_arm="${LIST_SA} ${LIST_ARM7} ${LIST_ARM9} ${LIST_xscale}"
CROSS_COMPILE = ppc_8xx-
endif
ifeq ($(ARCH),arm)
-CROSS_COMPILE = arm_920TDI-
+CROSS_COMPILE = arm-linux-
endif
ifeq ($(ARCH),i386)
#CROSS_COMPILE = i386-elf-
SPD823TS_config: unconfig
@./mkconfig $(@:_config=) ppc mpc8xx spd8xx
+svm_sc8xx_config: unconfig
+ @ >include/config.h
+ @./mkconfig $(@:_config=) ppc mpc8xx svm_sc8xx
+
SXNI855T_config: unconfig
@./mkconfig $(@:_config=) ppc mpc8xx sixnet
## StrongARM Systems
#########################################################################
+at91rm9200dk_config : unconfig
+ @./mkconfig $(@:_config=) arm at91rm9200 at91rm9200dk
+
lart_config : unconfig
@./mkconfig $(@:_config=) arm sa1100 lart
Low Level (hardware related) configuration options:
+---------------------------------------------------
- CFG_CACHELINE_SIZE:
Cache Line Size of the CPU.
ipaddr - IP address; needed for tftpboot command
loadaddr - Default load address for commands like "bootp",
- "rarpboot", "tftpboot" or "diskboot"
+ "rarpboot", "tftpboot", "loadb" or "diskboot"
loads_echo - see CONFIG_LOADS_ECHO
--- /dev/null
+#
+# (C) Copyright 2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS := at91rm9200dk.o flash.o
+SOBJS :=
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) crv $@ $^
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <AT91RM9200.h>
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int board_init(void)
+ {
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* memory and cpu-speed are setup before relocation */
+ /* so we do _nothing_ here */
+
+ /* arch number of AT91RM9200DK-Board */
+ gd->bd->bi_arch_number = 251;
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
+ return 0;
+}
+
+/*
+ * Disk On Chip (NAND) Millenium initialization.
+ * The NAND lives in the CS2* space
+ */
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+extern void
+nand_probe(ulong physadr);
+
+#define AT91_SMARTMEDIA_BASE 0x40000000 /* physical address to access memory on NCS3 */
+void
+nand_init(void)
+{
+ /* Setup Smart Media, fitst enable the address range of CS3 */
+ *AT91C_EBI_CSA |= AT91C_EBI_CS3A_SMC_SmartMedia;
+ /* set the bus interface characteristics based on
+ tDS Data Set up Time 30 - ns
+ tDH Data Hold Time 20 - ns
+ tALS ALE Set up Time 20 - ns
+ 16ns at 60 MHz ~= 3 */
+/*memory mapping structures */
+#define SM_ID_RWH (5 << 28)
+#define SM_RWH (1 << 28)
+#define SM_RWS (0 << 24)
+#define SM_TDF (1 << 8)
+#define SM_NWS (3)
+ AT91C_BASE_SMC2->SMC2_CSR[3] = ( SM_RWH|SM_RWS | AT91C_SMC2_ACSS_STANDARD |
+ AT91C_SMC2_DBW_8 | SM_TDF |
+ AT91C_SMC2_WSEN | SM_NWS);
+
+ /* enable the SMOE line PC0=SMCE, A21=CLE, A22=ALE */
+ *AT91C_PIOC_ASR = AT91C_PC0_BFCK | AT91C_PC1_BFRDY_SMOE | AT91C_PC3_BFBAA_SMWE;
+ *AT91C_PIOC_PDR = AT91C_PC0_BFCK | AT91C_PC1_BFRDY_SMOE | AT91C_PC3_BFBAA_SMWE;
+
+ /* Configure PC2 as input (signal READY of the SmartMedia) */
+ *AT91C_PIOC_PER = AT91C_PC2_BFAVD; /* enable direct output enable */
+ *AT91C_PIOC_ODR = AT91C_PC2_BFAVD; /* disable output */
+
+ /* Configure PB1 as input (signal Card Detect of the SmartMedia) */
+ *AT91C_PIOB_PER = AT91C_PIO_PB1; /* enable direct output enable */
+ *AT91C_PIOB_ODR = AT91C_PIO_PB1; /* disable output */
+
+ if (*AT91C_PIOB_PDSR & AT91C_PIO_PB1)
+ printf ("No ");
+ printf ("SmartMedia card inserted\n");
+
+ printf("Probing at 0x%.8x\n", AT91_SMARTMEDIA_BASE);
+ nand_probe(AT91_SMARTMEDIA_BASE);
+}
+#endif
--- /dev/null
+TEXT_BASE = 0x21fa0000
+
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Lineo, Inc. <www.lineo.com>
+ * Bernhard Kuhn <bkuhn@lineo.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+ulong myflush(void);
+
+
+#define FLASH_BANK_SIZE 0x200000 /* 2 MB */
+#define MAIN_SECT_SIZE 0x10000 /* 64 KB */
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+
+
+#define CMD_READ_ARRAY 0x00F0
+#define CMD_UNLOCK1 0x00AA
+#define CMD_UNLOCK2 0x0055
+#define CMD_ERASE_SETUP 0x0080
+#define CMD_ERASE_CONFIRM 0x0030
+#define CMD_PROGRAM 0x00A0
+#define CMD_UNLOCK_BYPASS 0x0020
+
+#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CFG_FLASH_BASE + (0x00005555<<1)))
+#define MEM_FLASH_ADDR2 (*(volatile u16 *)(CFG_FLASH_BASE + (0x00002AAA<<1)))
+
+#define BIT_ERASE_DONE 0x0080
+#define BIT_RDY_MASK 0x0080
+#define BIT_PROGRAM_ERROR 0x0020
+#define BIT_TIMEOUT 0x80000000 /* our flag */
+
+#define READY 1
+#define ERR 2
+#define TMO 4
+
+/*-----------------------------------------------------------------------
+ */
+
+ulong flash_init(void)
+{
+ int i, j;
+ ulong size = 0;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++)
+ {
+ ulong flashbase = 0;
+ flash_info[i].flash_id =
+ (ATM_MANUFACT & FLASH_VENDMASK) |
+ (ATM_ID_BV1614 & FLASH_TYPEMASK);
+ flash_info[i].size = FLASH_BANK_SIZE;
+ flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
+ memset(flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
+ if (i == 0)
+ flashbase = PHYS_FLASH_1;
+ else
+ panic("configured to many flash banks!\n");
+ for (j = 0; j < flash_info[i].sector_count; j++)
+ {
+
+ if (j <= 9)
+ {
+ /* 1st to 8th are 8 KB */
+ if (j <= 7)
+ {
+ flash_info[i].start[j] = flashbase + j*0x2000;
+ }
+
+ /* 9th and 10th are both 32 KB */
+ if ((j == 8) || (j == 9))
+ {
+ flash_info[i].start[j] = flashbase + 0x10000 + (j-8)*0x8000;
+ }
+ }
+ else
+ {
+ flash_info[i].start[j] = flashbase + (j-8)*MAIN_SECT_SIZE;
+ }
+ }
+ size += flash_info[i].size;
+ }
+
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_ENV_ADDR - 1,
+ &flash_info[0]);
+
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
+ &flash_info[0]);
+
+ return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t *info)
+{
+ int i;
+
+ switch (info->flash_id & FLASH_VENDMASK)
+ {
+ case (ATM_MANUFACT & FLASH_VENDMASK):
+ printf("Atmel: ");
+ break;
+ default:
+ printf("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK)
+ {
+ case (ATM_ID_BV1614 & FLASH_TYPEMASK):
+ printf("AT49BV1614 (16Mbit)\n");
+ break;
+ default:
+ printf("Unknown Chip Type\n");
+ goto Done;
+ break;
+ }
+
+ printf(" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf(" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; i++)
+ {
+ if ((i % 5) == 0)
+ {
+ printf ("\n ");
+ }
+ printf (" %08lX%s", info->start[i],
+ info->protect[i] ? " (RO)" : " ");
+ }
+ printf ("\n");
+
+Done:
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+ ulong result;
+ int iflag, cflag, prot, sect;
+ int rc = ERR_OK;
+ int chip1;
+
+ /* first look for protection bits */
+
+ if (info->flash_id == FLASH_UNKNOWN)
+ return ERR_UNKNOWN_FLASH_TYPE;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ return ERR_INVAL;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) !=
+ (ATM_MANUFACT & FLASH_VENDMASK)) {
+ return ERR_UNKNOWN_FLASH_VENDOR;
+ }
+
+ prot = 0;
+ for (sect=s_first; sect<=s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+ if (prot)
+ return ERR_PROTECTED;
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+ cflag = icache_status();
+ icache_disable();
+ iflag = disable_interrupts();
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect<=s_last && !ctrlc(); sect++)
+ {
+ printf("Erasing sector %2d ... ", sect);
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked();
+
+ if (info->protect[sect] == 0)
+ { /* not protected */
+ volatile u16 *addr = (volatile u16 *)(info->start[sect]);
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ *addr = CMD_ERASE_CONFIRM;
+
+ /* wait until flash is ready */
+ chip1 = 0;
+
+ do
+ {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer_masked() > CFG_FLASH_ERASE_TOUT)
+ {
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+ chip1 = TMO;
+ break;
+ }
+
+ if (!chip1 && (result & 0xFFFF) & BIT_ERASE_DONE)
+ chip1 = READY;
+
+ } while (!chip1);
+
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+
+ if (chip1 == ERR)
+ {
+ rc = ERR_PROG_ERROR;
+ goto outahere;
+ }
+ if (chip1 == TMO)
+ {
+ rc = ERR_TIMOUT;
+ goto outahere;
+ }
+
+ printf("ok.\n");
+ }
+ else /* it was protected */
+ {
+ printf("protected!\n");
+ }
+ }
+
+ if (ctrlc())
+ printf("User Interrupt!\n");
+
+outahere:
+ /* allow flash to settle - wait 10 ms */
+ udelay_masked(10000);
+
+ if (iflag)
+ enable_interrupts();
+
+ if (cflag)
+ icache_enable();
+
+ return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash
+ */
+
+volatile static int write_word (flash_info_t *info, ulong dest, ulong data)
+{
+ volatile u16 *addr = (volatile u16 *)dest;
+ ulong result;
+ int rc = ERR_OK;
+ int cflag, iflag;
+ int chip1;
+
+ /*
+ * Check if Flash is (sufficiently) erased
+ */
+ result = *addr;
+ if ((result & data) != data)
+ return ERR_NOT_ERASED;
+
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+ cflag = icache_status();
+ icache_disable();
+ iflag = disable_interrupts();
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_PROGRAM;
+ *addr = data;
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked();
+
+ /* wait until flash is ready */
+ chip1 = 0;
+ do
+ {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer_masked() > CFG_FLASH_ERASE_TOUT)
+ {
+ chip1 = ERR | TMO;
+ break;
+ }
+ if (!chip1 && ((result & 0x80) == (data & 0x80)))
+ chip1 = READY;
+
+ } while (!chip1);
+
+ *addr = CMD_READ_ARRAY;
+
+ if (chip1 == ERR || *addr != data)
+ rc = ERR_PROG_ERROR;
+
+ if (iflag)
+ enable_interrupts();
+
+ if (cflag)
+ icache_enable();
+
+ return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash.
+ */
+
+int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+ ulong wp, data;
+ int rc;
+
+ if(addr & 1) {
+ printf("unaligned destination not supported\n");
+ return ERR_ALIGN;
+ };
+
+ if((int)src & 1) {
+ printf("unaligned source not supported\n");
+ return ERR_ALIGN;
+ };
+
+ wp = addr;
+
+ while (cnt >= 2) {
+ data = *((volatile u16*)src);
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 2;
+ wp += 2;
+ cnt -= 2;
+ }
+
+ if(cnt == 1) {
+ data = (*((volatile u8*)src)) | (*((volatile u8*)(wp+1)) << 8);
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 1;
+ wp += 1;
+ cnt -= 1;
+ };
+
+ return ERR_OK;
+}
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+/*OUTPUT_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ cpu/at91rm9200/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ armboot_end_data = .;
+
+ . = ALIGN(4);
+ .bss : { *(.bss) }
+
+ armboot_end = .;
+}
*/
#include <common.h>
-
+#include <SA-1100.h>
/* ------------------------------------------------------------------------- */
/* arch number of DNP1110-Board */
gd->bd->bi_arch_number = 255;
- /* adress of boot parameters */
- gd->bd->bi_boot_params = 0xc0000100;
+ /* flash vpp on */
+ PPDR |= 0x80; /* assumes LCD controller is off */
+ PPSR |= 0x80;
return 0;
}
/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Rolf Offermanns <rof@sysgo.de>
+ * (C) Copyright 2001
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*/
#include <common.h>
-
-ulong myflush(void);
+#include <linux/byteorder/swab.h>
-#define FLASH_BANK_SIZE 0x800000
-#define MAIN_SECT_SIZE 0x20000
-#define PARAM_SECT_SIZE 0x4000
-
-/* puzzle magic for lart
- * data_*_flash are def'd in flashasm.S
- */
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
-extern u32 data_from_flash(u32);
-extern u32 data_to_flash(u32);
+/* Board support for 1 or 2 flash devices */
+#undef FLASH_PORT_WIDTH32
+#define FLASH_PORT_WIDTH16
-#define PUZZLE_FROM_FLASH(x) (x)
-#define PUZZLE_TO_FLASH(x) (x)
+#ifdef FLASH_PORT_WIDTH16
+#define FLASH_PORT_WIDTH ushort
+#define FLASH_PORT_WIDTHV vu_short
+#define SWAP(x) __swab16(x)
+#else
+#define FLASH_PORT_WIDTH ulong
+#define FLASH_PORT_WIDTHV vu_long
+#define SWAP(x) __swab32(x)
+#endif
-flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+#define FPW FLASH_PORT_WIDTH
+#define FPWV FLASH_PORT_WIDTHV
+#define mb() __asm__ __volatile__ ("" : : : "memory")
-#define CMD_READ_ARRAY 0x00FF00FF
-#define CMD_IDENTIFY 0x00900090
-#define CMD_ERASE_SETUP 0x00200020
-#define CMD_ERASE_CONFIRM 0x00D000D0
-#define CMD_PROGRAM 0x00400040
-#define CMD_RESUME 0x00D000D0
-#define CMD_SUSPEND 0x00B000B0
-#define CMD_STATUS_READ 0x00700070
-#define CMD_STATUS_RESET 0x00500050
-
-#define BIT_BUSY 0x00800080
-#define BIT_ERASE_SUSPEND 0x00400040
-#define BIT_ERASE_ERROR 0x00200020
-#define BIT_PROGRAM_ERROR 0x00100010
-#define BIT_VPP_RANGE_ERROR 0x00080008
-#define BIT_PROGRAM_SUSPEND 0x00040004
-#define BIT_PROTECT_ERROR 0x00020002
-#define BIT_UNDEFINED 0x00010001
-
-#define BIT_SEQUENCE_ERROR 0x00300030
-#define BIT_TIMEOUT 0x80000000
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (FPW *addr, flash_info_t *info);
+static int write_data (flash_info_t *info, ulong dest, FPW data);
+static void flash_get_offsets (ulong base, flash_info_t *info);
+void inline spin_wheel(void);
/*-----------------------------------------------------------------------
*/
-ulong flash_init(void)
+unsigned long flash_init (void)
{
- int i, j;
+ int i;
ulong size = 0;
for (i = 0; i < CFG_MAX_FLASH_BANKS; i++)
{
- ulong flashbase = 0;
- flash_info[i].flash_id =
- (INTEL_MANUFACT & FLASH_VENDMASK) |
- (INTEL_ID_28F160F3B & FLASH_TYPEMASK);
- flash_info[i].size = FLASH_BANK_SIZE;
- flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
- memset(flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
- if (i == 0)
- flashbase = PHYS_FLASH_1;
- else
- panic("configured to many flash banks!\n");
- for (j = 0; j < flash_info[i].sector_count; j++)
- {
- if (j <= 7)
- {
- flash_info[i].start[j] = flashbase + j * PARAM_SECT_SIZE;
- }
- else
- {
- flash_info[i].start[j] = flashbase + (j - 7)*MAIN_SECT_SIZE;
- }
- }
+ switch (i)
+ {
+ case 0:
+ flash_get_size((FPW *)PHYS_FLASH_1, &flash_info[i]);
+ flash_get_offsets(PHYS_FLASH_1, &flash_info[i]);
+ break;
+ default:
+ panic("configured to many flash banks!\n");
+ break;
+ }
size += flash_info[i].size;
}
/*-----------------------------------------------------------------------
*/
-void flash_print_info (flash_info_t *info)
+static void flash_get_offsets (ulong base, flash_info_t *info)
{
- int i;
-
- switch (info->flash_id & FLASH_VENDMASK)
- {
- case (INTEL_MANUFACT & FLASH_VENDMASK):
- printf("Intel: ");
- break;
- default:
- printf("Unknown Vendor ");
- break;
- }
+ int i;
- switch (info->flash_id & FLASH_TYPEMASK)
- {
- case (INTEL_ID_28F160F3B & FLASH_TYPEMASK):
- printf("2x 28F160F3B (16Mbit)\n");
- break;
- default:
- printf("Unknown Chip Type\n");
- goto Done;
- break;
- }
-
- printf(" Size: %ld MB in %d Sectors\n",
- info->size >> 20, info->sector_count);
-
- printf(" Sector Start Addresses:");
- for (i = 0; i < info->sector_count; i++)
- {
- if ((i % 5) == 0)
- {
- printf ("\n ");
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return;
}
- printf (" %08lX%s", info->start[i],
- info->protect[i] ? " (RO)" : " ");
- }
- printf ("\n");
-Done:
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
+ for (i = 0; i < info->sector_count; i++) {
+ info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE);
+ info->protect[i] = 0;
+ }
+ }
}
/*-----------------------------------------------------------------------
*/
-
-int flash_error (ulong code)
+void flash_print_info (flash_info_t *info)
{
- /* Check bit patterns */
- /* SR.7=0 is busy, SR.7=1 is ready */
- /* all other flags indicate error on 1 */
- /* SR.0 is undefined */
- /* Timeout is our faked flag */
-
- /* sequence is described in Intel 290644-005 document */
-
- /* check Timeout */
- if (code & BIT_TIMEOUT)
- {
- printf ("Timeout\n");
- return ERR_TIMOUT;
- }
+ int i;
- /* check Busy, SR.7 */
- if (~code & BIT_BUSY)
- {
- printf ("Busy\n");
- return ERR_PROG_ERROR;
- }
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("missing or unknown FLASH type\n");
+ return;
+ }
- /* check Vpp low, SR.3 */
- if (code & BIT_VPP_RANGE_ERROR)
- {
- printf ("Vpp range error\n");
- return ERR_PROG_ERROR;
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_INTEL: printf ("INTEL "); break;
+ default: printf ("Unknown Vendor "); break;
}
- /* check Device Protect Error, SR.1 */
- if (code & BIT_PROTECT_ERROR)
- {
- printf ("Device protect error\n");
- return ERR_PROG_ERROR;
- }
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_28F128J3A:
+ printf ("28F128J3A\n"); break;
+ default: printf ("Unknown Chip Type\n"); break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i=0; i<info->sector_count; ++i) {
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s",
+ info->start[i],
+ info->protect[i] ? " (RO)" : " "
+ );
+ }
+ printf ("\n");
+ return;
+}
- /* check Command Seq Error, SR.4 & SR.5 */
- if (code & BIT_SEQUENCE_ERROR)
- {
- printf ("Command seqence error\n");
- return ERR_PROG_ERROR;
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size (FPW *addr, flash_info_t *info)
+{
+ volatile FPW value;
+ /* Write auto select command: read Manufacturer ID */
+ addr[0x5555] = (FPW)0x00AA00AA;
+ addr[0x2AAA] = (FPW)0x00550055;
+ addr[0x5555] = (FPW)0x00900090;
+
+ mb();
+ value = addr[0];
+
+ switch (value) {
+
+ case (FPW)INTEL_MANUFACT:
+ info->flash_id = FLASH_MAN_INTEL;
+ break;
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ addr[0] = (FPW)0x00FF00FF; /* restore read mode */
+ return (0); /* no or unknown flash */
}
- /* check Block Erase Error, SR.5 */
- if (code & BIT_ERASE_ERROR)
- {
- printf ("Block erase error\n");
- return ERR_PROG_ERROR;
- }
+ mb();
+ value = addr[1]; /* device ID */
+ switch (value) {
- /* check Program Error, SR.4 */
- if (code & BIT_PROGRAM_ERROR)
- {
- printf ("Program error\n");
- return ERR_PROG_ERROR;
- }
+ case (FPW)INTEL_ID_28F128J3A:
+ info->flash_id += FLASH_28F128J3A;
+ info->sector_count = 128;
+ info->size = 0x02000000;
+ break; /* => 16 MB */
- /* check Block Erase Suspended, SR.6 */
- if (code & BIT_ERASE_SUSPEND)
- {
- printf ("Block erase suspended\n");
- return ERR_PROG_ERROR;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ break;
}
- /* check Program Suspended, SR.2 */
- if (code & BIT_PROGRAM_SUSPEND)
- {
- printf ("Program suspended\n");
- return ERR_PROG_ERROR;
- }
+ if (info->sector_count > CFG_MAX_FLASH_SECT) {
+ printf ("** ERROR: sector count %d > max (%d) **\n",
+ info->sector_count, CFG_MAX_FLASH_SECT);
+ info->sector_count = CFG_MAX_FLASH_SECT;
+ }
+
+ addr[0] = (FPW)0x00FF00FF; /* restore read mode */
- /* OK, no error */
- return ERR_OK;
+ return (info->size);
}
+
/*-----------------------------------------------------------------------
*/
int flash_erase (flash_info_t *info, int s_first, int s_last)
{
- ulong result;
- int iflag, cflag, prot, sect;
- int rc = ERR_OK;
-
- /* first look for protection bits */
-
- if (info->flash_id == FLASH_UNKNOWN)
- return ERR_UNKNOWN_FLASH_TYPE;
+ int flag, prot, sect;
+ ulong type, start, last;
+ int rcode = 0;
if ((s_first < 0) || (s_first > s_last)) {
- return ERR_INVAL;
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("- missing\n");
+ } else {
+ printf ("- no sectors to erase\n");
+ }
+ return 1;
}
- if ((info->flash_id & FLASH_VENDMASK) !=
- (INTEL_MANUFACT & FLASH_VENDMASK)) {
- return ERR_UNKNOWN_FLASH_VENDOR;
+ type = (info->flash_id & FLASH_VENDMASK);
+ if ((type != FLASH_MAN_INTEL)) {
+ printf ("Can't erase unknown flash type %08lx - aborted\n",
+ info->flash_id);
+ return 1;
}
prot = 0;
prot++;
}
}
- if (prot)
- return ERR_PROTECTED;
- /*
- * Disable interrupts which might cause a timeout
- * here. Remember that our exception vectors are
- * at address 0 in the flash, and we don't want a
- * (ticker) exception to happen while the flash
- * chip is in programming mode.
- */
- cflag = icache_status();
- icache_disable();
- iflag = disable_interrupts();
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n",
+ prot);
+ } else {
+ printf ("\n");
+ }
+
+ start = get_timer (0);
+ last = start;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
/* Start erase on unprotected sectors */
- for (sect = s_first; sect<=s_last && !ctrlc(); sect++)
- {
+ for (sect = s_first; sect<=s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ FPWV *addr = (FPWV *)(info->start[sect]);
+ FPW status;
+
printf("Erasing sector %2d ... ", sect);
/* arm simple, non interrupt dependent timer */
reset_timer_masked();
- if (info->protect[sect] == 0)
- { /* not protected */
- vu_long *addr = (vu_long *)(info->start[sect]);
-
- *addr = PUZZLE_TO_FLASH(CMD_STATUS_RESET);
- *addr = PUZZLE_TO_FLASH(CMD_ERASE_SETUP);
- *addr = PUZZLE_TO_FLASH(CMD_ERASE_CONFIRM);
-
- /* wait until flash is ready */
- do
- {
- /* check timeout */
- if (get_timer_masked() > CFG_FLASH_ERASE_TOUT)
- {
- *addr = PUZZLE_TO_FLASH(CMD_SUSPEND);
- result = BIT_TIMEOUT;
- break;
- }
-
- result = PUZZLE_FROM_FLASH(*addr);
- } while (~result & BIT_BUSY);
-
- *addr = PUZZLE_TO_FLASH(CMD_READ_ARRAY);
-
- if ((rc = flash_error(result)) != ERR_OK)
- goto outahere;
-
- printf("ok.\n");
- }
- else /* it was protected */
- {
- printf("protected!\n");
+ *addr = (FPW)0x00500050; /* clear status register */
+ *addr = (FPW)0x00200020; /* erase setup */
+ *addr = (FPW)0x00D000D0; /* erase confirm */
+
+ while (((status = *addr) & (FPW)0x00800080) != (FPW)0x00800080) {
+ if (get_timer_masked() > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ *addr = (FPW)0x00B000B0; /* suspend erase */
+ *addr = (FPW)0x00FF00FF; /* reset to read mode */
+ rcode = 1;
+ break;
}
}
- if (ctrlc())
- printf("User Interrupt!\n");
-
-outahere:
- /* allow flash to settle - wait 10 ms */
- udelay_masked(10000);
-
- if (iflag)
- enable_interrupts();
-
- if (cflag)
- icache_enable();
-
- return rc;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash
- */
-
-volatile static int write_word (flash_info_t *info, ulong dest, ulong data)
-{
- vu_long *addr = (vu_long *)dest;
- ulong result;
- int rc = ERR_OK;
- int cflag, iflag;
-
- /* Check if Flash is (sufficiently) erased
- */
- result = PUZZLE_FROM_FLASH(*addr);
- if ((result & data) != data)
- return ERR_NOT_ERASED;
-
- /*
- * Disable interrupts which might cause a timeout
- * here. Remember that our exception vectors are
- * at address 0 in the flash, and we don't want a
- * (ticker) exception to happen while the flash
- * chip is in programming mode.
- */
- cflag = icache_status();
- icache_disable();
- iflag = disable_interrupts();
-
- *addr = PUZZLE_TO_FLASH(CMD_STATUS_RESET);
- *addr = PUZZLE_TO_FLASH(CMD_PROGRAM);
- *addr = data;
-
- /* arm simple, non interrupt dependent timer */
- reset_timer_masked();
-
- /* wait until flash is ready */
- do
- {
- /* check timeout */
- if (get_timer_masked() > CFG_FLASH_ERASE_TOUT)
- {
- *addr = PUZZLE_TO_FLASH(CMD_SUSPEND);
- result = BIT_TIMEOUT;
- break;
- }
-
- result = PUZZLE_FROM_FLASH(*addr);
- } while (~result & BIT_BUSY);
-
- *addr = PUZZLE_TO_FLASH(CMD_READ_ARRAY);
-
- rc = flash_error(result);
+ *addr = (FPW)0x00500050; /* clear status register cmd. */
+ *addr = (FPW)0x00FF00FF; /* resest to read mode */
- if (iflag)
- enable_interrupts();
-
- if (cflag)
- icache_enable();
-
- return rc;
+ printf (" done\n");
+ }
+ }
+ return rcode;
}
/*-----------------------------------------------------------------------
- * Copy memory to flash.
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ * 4 - Flash not identified
*/
int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
{
- ulong cp, wp, data;
- int l;
- int i, rc;
+ ulong cp, wp;
+ FPW data;
+ int count, i, l, rc, port_width;
- wp = (addr & ~3); /* get lower word aligned address */
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return 4;
+ }
+/* get lower word aligned address */
+#ifdef FLASH_PORT_WIDTH16
+ wp = (addr & ~1);
+ port_width = 2;
+#else
+ wp = (addr & ~3);
+ port_width = 4;
+#endif
/*
* handle unaligned start bytes
if ((l = addr - wp) != 0) {
data = 0;
for (i=0, cp=wp; i<l; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *)cp << 24);
+ data = (data << 8) | (*(uchar *)cp);
}
- for (; i<4 && cnt>0; ++i) {
- data = (data >> 8) | (*src++ << 24);
+ for (; i<port_width && cnt>0; ++i) {
+ data = (data << 8) | *src++;
--cnt;
++cp;
}
- for (; cnt==0 && i<4; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *)cp << 24);
+ for (; cnt==0 && i<port_width; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
}
- if ((rc = write_word(info, wp, data)) != 0) {
+ if ((rc = write_data(info, wp, SWAP(data))) != 0) {
return (rc);
}
- wp += 4;
+ wp += port_width;
}
/*
* handle word aligned part
*/
- while (cnt >= 4) {
- data = *((vu_long*)src);
- if ((rc = write_word(info, wp, data)) != 0) {
+ count = 0;
+ while (cnt >= port_width) {
+ data = 0;
+ for (i=0; i<port_width; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_data(info, wp, SWAP(data))) != 0) {
return (rc);
}
- src += 4;
- wp += 4;
- cnt -= 4;
+ wp += port_width;
+ cnt -= port_width;
+ if (count++ > 0x800)
+ {
+ spin_wheel();
+ count = 0;
+ }
}
if (cnt == 0) {
- return ERR_OK;
+ return (0);
}
/*
* handle unaligned tail bytes
*/
data = 0;
- for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
- data = (data >> 8) | (*src++ << 24);
+ for (i=0, cp=wp; i<port_width && cnt>0; ++i, ++cp) {
+ data = (data << 8) | *src++;
--cnt;
}
- for (; i<4; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *)cp << 24);
+ for (; i<port_width; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ return (write_data(info, wp, SWAP(data)));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word or halfword to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_data (flash_info_t *info, ulong dest, FPW data)
+{
+ FPWV *addr = (FPWV *)dest;
+ ulong status;
+ int flag;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*addr & data) != data) {
+ printf("not erased at %08lx (%x)\n",(ulong)addr,*addr);
+ return (2);
+ }
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ *addr = (FPW)0x00400040; /* write setup */
+ *addr = data;
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked();
+
+ /* wait while polling the status register */
+ while (((status = *addr) & (FPW)0x00800080) != (FPW)0x00800080) {
+ if (get_timer_masked() > CFG_FLASH_WRITE_TOUT) {
+ *addr = (FPW)0x00FF00FF; /* restore read mode */
+ return (1);
+ }
}
- return write_word(info, wp, data);
+ *addr = (FPW)0x00FF00FF; /* restore read mode */
+
+ return (0);
+}
+
+void inline
+spin_wheel(void)
+{
+ static int p=0;
+ static char w[] = "\\/-";
+
+ printf("\010%c", w[p]);
+ (++p == 3) ? (p = 0) : 0;
}
+
-#include <config.h>
-#include <version.h>
+#include "config.h"
+#include "version.h"
/* some parameters for the board */
MEM_BASE: .long 0xa0000000
MEM_START: .long 0xc0000000
-#define MDCNFG 0x00
-#define MDCAS0 0x04
-#define MDCAS1 0x08
-#define MDCAS2 0x0c
-#define MSC0 0x10
-#define MSC1 0x14
-#define MECR 0x18
-
-mdcas0: .long 0xc71c703f
-mdcas1: .long 0xffc71c71
-mdcas2: .long 0xffffffff
-/* mdcnfg: .long 0x0bb2bcbf */
-mdcnfg: .long 0x0334b22f @ alt
-/* mcs0: .long 0xfff8fff8 */
-msc0: .long 0xad8c4888 @ alt
-mecr: .long 0x00060006
-/* mecr: .long 0x994a994a @ alt */
+#define MDCNFG 0x00
+#define MDCAS00 0x04 /* CAS waveform rotate reg 0 */
+#define MDCAS01 0x08 /* CAS waveform rotate reg 1 bank */
+#define MDCAS02 0x0C /* CAS waveform rotate reg 2 bank */
+#define MDREFR 0x1C /* DRAM refresh control reg */
+#define MDCAS20 0x20 /* CAS waveform rotate reg 0 bank */
+#define MDCAS21 0x24 /* CAS waveform rotate reg 1 bank */
+#define MDCAS22 0x28 /* CAS waveform rotate reg 2 bank */
+#define MECR 0x18 /* Expansion memory (PCMCIA) bus configuration register */
+#define MSC0 0x10 /* static memory control reg 0 */
+#define MSC1 0x14 /* static memory control reg 1 */
+#define MSC2 0x2C /* static memory control reg 2 */
+#define SMCNFG 0x30 /* SMROM configuration reg */
+
+mdcas00: .long 0x5555557F
+mdcas01: .long 0x55555555
+mdcas02: .long 0x55555555
+mdcas20: .long 0x5555557F
+mdcas21: .long 0x55555555
+mdcas22: .long 0x55555555
+mdcnfg: .long 0x0000B25C
+mdrefr: .long 0x007000C1
+mecr: .long 0x10841084
+msc0: .long 0x00004774
+msc1: .long 0x00000000
+msc2: .long 0x00000000
+smcnfg: .long 0x00000000
/* setting up the memory */
.globl memsetup
memsetup:
- ldr r0, MEM_BASE
- /* Setup the flash memory */
- ldr r1, msc0
- str r1, [r0, #MSC0]
+ ldr r0, MEM_BASE
/* Set up the DRAM */
- /* MDCAS0 */
- ldr r1, mdcas0
- str r1, [r0, #MDCAS0]
+ /* MDCAS00 */
+ ldr r1, mdcas00
+ str r1, [r0, #MDCAS00]
- /* MDCAS1 */
- ldr r1, mdcas1
- str r1, [r0, #MDCAS1]
+ /* MDCAS01 */
+ ldr r1, mdcas01
+ str r1, [r0, #MDCAS01]
- /* MDCAS2 */
- ldr r1, mdcas2
- str r1, [r0, #MDCAS2]
+ /* MDCAS02 */
+ ldr r1, mdcas02
+ str r1, [r0, #MDCAS02]
- /* MDCNFG */
- ldr r1, mdcnfg
- str r1, [r0, #MDCNFG]
+ /* MDCAS20 */
+ ldr r1, mdcas20
+ str r1, [r0, #MDCAS20]
+
+ /* MDCAS21 */
+ ldr r1, mdcas21
+ str r1, [r0, #MDCAS21]
+
+ /* MDCAS22 */
+ ldr r1, mdcas22
+ str r1, [r0, #MDCAS22]
+
+ /* MDREFR */
+ ldr r1, mdrefr
+ str r1, [r0, #MDREFR]
/* Set up PCMCIA space */
ldr r1, mecr
str r1, [r0, #MECR]
- /* Load something to activate bank */
- ldr r1, MEM_START
+ /* Setup the flash memory and other */
+ ldr r1, msc0
+ str r1, [r0, #MSC0]
+ ldr r1, msc1
+ str r1, [r0, #MSC1]
+
+ ldr r1, msc2
+ str r1, [r0, #MSC2]
+
+ ldr r1, smcnfg
+ str r1, [r0, #SMCNFG]
+
+ /* MDCNFG */
+ ldr r1, mdcnfg
+ bic r1, r1, #0x00000001
+ str r1, [r0, #MDCNFG]
+
+ /* Load something to activate bank */
+ ldr r2, MEM_START
.rept 8
- ldr r0, [r1]
+ ldr r1, [r2]
.endr
+ /* MDCNFG */
+ ldr r1, mdcnfg
+ orr r1, r1, #0x00000001
+ str r1, [r0, #MDCNFG]
+
/* everything is fine now */
mov pc, lr
-
case (FLASH_WORD_SIZE)SST_MANUFACT:
info->flash_id = FLASH_MAN_SST;
break;
+ case (FLASH_WORD_SIZE)STM_MANUFACT:
+ info->flash_id = FLASH_MAN_STM;
+ break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->sector_count = 32;
info->size = 0x00200000;
break; /* => 2 MB */
+ case (FLASH_WORD_SIZE)STM_ID_F040B:
+ info->flash_id += FLASH_AM040;
+ info->sector_count = 8;
+ info->size = 0x0080000; /* => 512 ko */
+ break;
case (FLASH_WORD_SIZE)AMD_ID_F040B:
info->flash_id += FLASH_AM040;
info->sector_count = 8;
* (C) Copyright 2002
* Robert Schwebel, Pengutronix, <r.schwebel@pengutronix.de>
*
+ * (C) Copyright 2002
+ * Kai-Uwe Bloem, GDS, <kai-uwe.bloem@auerswald.de>
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
* The Innokom board has GPIO70 connected to SCLK which can be toggled
* until all chips think that their current cycles are finished.
*/
-void i2c_init_board(void)
+int i2c_init_board(void)
{
- int i;
+ int i, icr;
- /* set gpio pin to output */
- GPDR(70) |= GPIO_bit(70);
- for (i = 0; i < 11; i++) {
+ /* disable I2C controller first, otherwhise it thinks we want to */
+ /* talk to the slave port... */
+ icr = ICR; ICR &= ~(ICR_SCLE | ICR_IUE);
+
+ /* set gpio pin low _before_ we change direction to output */
GPCR(70) = GPIO_bit(70);
+
+ /* now toggle between output=low and high-impedance */
+ for (i = 0; i < 20; i++) {
+ GPDR(70) |= GPIO_bit(70); /* output */
udelay(10);
- GPSR(70) = GPIO_bit(70);
+ GPDR(70) &= ~GPIO_bit(70); /* input */
udelay(10);
}
- /* set gpio pin to input */
- GPDR(70) &= ~GPIO_bit(70);
+
+ ICR = icr;
+
+ return 0;
}
/* adress of boot parameters */
gd->bd->bi_boot_params = 0xa0000100;
+ /* baud rate */
+ gd->bd->bi_baudrate = CONFIG_BAUDRATE;
+
return 0;
}
--- /dev/null
+#
+# (C) Copyright 2000
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS = $(BOARD).o flash.o
+
+$(LIB): .depend $(OBJS)
+ $(AR) crv $@ $^
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2000
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+TEXT_BASE = 0x40000000
--- /dev/null
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+#ifndef CFG_ENV_ADDR
+#define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET)
+#endif
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static int write_word (flash_info_t *info, ulong dest, ulong data);
+#if 0
+static ulong flash_get_size (vu_long *addr, flash_info_t *info);
+static void flash_get_offsets (ulong base, flash_info_t *info);
+#endif
+#ifdef CONFIG_BOOT_8B
+static int my_in_8( unsigned char *addr);
+static void my_out_8( unsigned char *addr, int val);
+#endif
+#ifdef CONFIG_BOOT_16B
+static int my_in_be16( unsigned short *addr);
+static void my_out_be16( unsigned short *addr, int val);
+#endif
+#ifdef CONFIG_BOOT_32B
+static unsigned my_in_be32( unsigned *addr);
+static void my_out_be32( unsigned *addr, int val);
+#endif
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ unsigned long size_b0, size_b1;
+ int i;
+
+ size_b0=0;
+ size_b1=0;
+ /* Init: no FLASHes known */
+ for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+#ifdef CFG_DOC_BASE
+#ifndef CONFIG_FEL8xx_AT
+ memctl->memc_or5 = (0xffff8000 | CFG_OR_TIMING_DOC ); /* 32k bytes */
+ memctl->memc_br5 = CFG_DOC_BASE | 0x401;
+#else
+ memctl->memc_or3 = (0xffff8000 | CFG_OR_TIMING_DOC ); /* 32k bytes */
+ memctl->memc_br3 = CFG_DOC_BASE | 0x401;
+#endif
+#endif
+#if defined( CONFIG_BOOT_8B)
+// memctl->memc_or0 = 0xfff80ff4; /* 4MB bytes */
+// memctl->memc_br0 = 0x40000401;
+ size_b0 = 0x80000; /* 512 K */
+ flash_info[0].flash_id = FLASH_MAN_AMD | FLASH_AM040;
+ flash_info[0].sector_count = 8;
+ flash_info[0].size = 0x00080000;
+ /* set up sector start address table */
+ for (i = 0; i < flash_info[0].sector_count; i++)
+ flash_info[0].start[i] = 0x40000000 + (i * 0x10000);
+ /* protect all sectors */
+ for (i = 0; i < flash_info[0].sector_count; i++)
+ flash_info[0].protect[i] = 0x1;
+#elif defined (CONFIG_BOOT_16B)
+// memctl->memc_or0 = 0xfff80ff4; /* 4MB bytes */
+// memctl->memc_br0 = 0x40000401;
+ size_b0 = 0x400000; /* 4MB , assume AMD29LV320B */
+ flash_info[0].flash_id = FLASH_MAN_AMD | FLASH_AM320B;
+ flash_info[0].sector_count = 67;
+ flash_info[0].size = 0x00400000;
+ /* set up sector start address table */
+ flash_info[0].start[0] = 0x40000000 ;
+ flash_info[0].start[1] = 0x40000000 + 0x4000;
+ flash_info[0].start[2] = 0x40000000 + 0x6000;
+ flash_info[0].start[3] = 0x40000000 + 0x8000;
+ for (i = 4; i < flash_info[0].sector_count; i++)
+ flash_info[0].start[i] = 0x40000000 + 0x10000 + ((i-4) * 0x10000);
+ /* protect all sectors */
+ for (i = 0; i < flash_info[0].sector_count; i++)
+ flash_info[0].protect[i] = 0x1;
+#endif
+
+
+#ifdef CONFIG_BOOT_32B
+
+ /* Static FLASH Bank configuration here - FIXME XXX */
+
+ size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
+
+ if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+ printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+ size_b0, size_b0<<20);
+ }
+
+ size_b1 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]);
+
+ if (size_b1 > size_b0) {
+ printf ("## ERROR: "
+ "Bank 1 (0x%08lx = %ld MB) > Bank 0 (0x%08lx = %ld MB)\n",
+ size_b1, size_b1<<20,
+ size_b0, size_b0<<20
+ );
+ flash_info[0].flash_id = FLASH_UNKNOWN;
+ flash_info[1].flash_id = FLASH_UNKNOWN;
+ flash_info[0].sector_count = -1;
+ flash_info[1].sector_count = -1;
+ flash_info[0].size = 0;
+ flash_info[1].size = 0;
+ return (0);
+ }
+
+ /* Remap FLASH according to real size */
+ memctl->memc_or0 = CFG_OR_TIMING_FLASH | (-size_b0 & OR_AM_MSK);
+ memctl->memc_br0 = (CFG_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V;
+
+ /* Re-do sizing to get full correct info */
+ size_b0 = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
+
+ flash_get_offsets (CFG_FLASH_BASE, &flash_info[0]);
+
+#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
+ /* monitor protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE+CFG_MONITOR_LEN-1,
+ &flash_info[0]);
+#endif
+
+#ifdef CFG_ENV_IS_IN_FLASH
+ /* ENV protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR+CFG_ENV_SIZE-1,
+ &flash_info[0]);
+#endif
+
+ if (size_b1) {
+ memctl->memc_or1 = CFG_OR_TIMING_FLASH | (-size_b1 & 0xFFFF8000);
+ memctl->memc_br1 = ((CFG_FLASH_BASE + size_b0) & BR_BA_MSK) |
+ BR_MS_GPCM | BR_V;
+
+ /* Re-do sizing to get full correct info */
+ size_b1 = flash_get_size((vu_long *)(CFG_FLASH_BASE + size_b0),
+ &flash_info[1]);
+
+ flash_get_offsets (CFG_FLASH_BASE + size_b0, &flash_info[1]);
+
+#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
+ /* monitor protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE+CFG_MONITOR_LEN-1,
+ &flash_info[1]);
+#endif
+
+#ifdef CFG_ENV_IS_IN_FLASH
+ /* ENV protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR+CFG_ENV_SIZE-1,
+ &flash_info[1]);
+#endif
+ } else {
+ memctl->memc_br1 = 0; /* invalidate bank */
+
+ flash_info[1].flash_id = FLASH_UNKNOWN;
+ flash_info[1].sector_count = -1;
+ }
+
+ flash_info[0].size = size_b0;
+ flash_info[1].size = size_b1;
+
+
+#endif /* CONFIG_BOOT_32B */
+
+ return (size_b0 + size_b1);
+}
+#if 0
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t *info)
+{
+ int i;
+
+ /* set up sector start address table */
+ if (info->flash_id & FLASH_BTYPE) {
+ /* set sector offsets for bottom boot block type */
+ info->start[0] = base + 0x00000000;
+ info->start[1] = base + 0x00008000;
+ info->start[2] = base + 0x0000C000;
+ info->start[3] = base + 0x00010000;
+ for (i = 4; i < info->sector_count; i++) {
+ info->start[i] = base + (i * 0x00020000) - 0x00060000;
+ }
+ } else {
+ /* set sector offsets for top boot block type */
+ i = info->sector_count - 1;
+ info->start[i--] = base + info->size - 0x00008000;
+ info->start[i--] = base + info->size - 0x0000C000;
+ info->start[i--] = base + info->size - 0x00010000;
+ for (; i >= 0; i--) {
+ info->start[i] = base + i * 0x00020000;
+ }
+ }
+}
+#endif
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t *info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_AMD: printf ("AMD "); break;
+ case FLASH_MAN_FUJ: printf ("FUJITSU "); break;
+ default: printf ("Unknown Vendor "); break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM320B: printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM320T: printf ("AM29LV320T (32 Mbit, top boot sector)\n");
+ break;
+ default: printf ("Unknown Chip Type\n");
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i=0; i<info->sector_count; ++i) {
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s",
+ info->start[i],
+ info->protect[i] ? " (RO)" : " "
+ );
+ }
+ printf ("\n");
+ return;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+#if 0
+static ulong flash_get_size (vu_long *addr, flash_info_t *info)
+{
+ short i;
+ ulong value;
+ ulong base = (ulong)addr;
+
+ /* Write auto select command: read Manufacturer ID */
+ addr[0x0555] = 0x00AA00AA;
+ addr[0x02AA] = 0x00550055;
+ addr[0x0555] = 0x00900090;
+
+ value = addr[0];
+
+ switch (value) {
+ case AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+ case FUJ_MANUFACT:
+ info->flash_id = FLASH_MAN_FUJ;
+ break;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* no or unknown flash */
+ }
+
+ value = addr[1]; /* device ID */
+
+ switch (value) {
+ case AMD_ID_LV400T:
+ info->flash_id += FLASH_AM400T;
+ info->sector_count = 11;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+
+ case AMD_ID_LV400B:
+ info->flash_id += FLASH_AM400B;
+ info->sector_count = 11;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+
+ case AMD_ID_LV800T:
+ info->flash_id += FLASH_AM800T;
+ info->sector_count = 19;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
+
+ case AMD_ID_LV800B:
+ info->flash_id += FLASH_AM800B;
+ info->sector_count = 19;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
+
+ case AMD_ID_LV160T:
+ info->flash_id += FLASH_AM160T;
+ info->sector_count = 35;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
+
+ case AMD_ID_LV160B:
+ info->flash_id += FLASH_AM160B;
+ info->sector_count = 35;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
+#if 0 /* enable when device IDs are available */
+ case AMD_ID_LV320T:
+ info->flash_id += FLASH_AM320T;
+ info->sector_count = 67;
+ info->size = 0x00800000;
+ break; /* => 8 MB */
+
+ case AMD_ID_LV320B:
+ info->flash_id += FLASH_AM320B;
+ info->sector_count = 67;
+ info->size = 0x00800000;
+ break; /* => 8 MB */
+#endif
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
+ }
+
+ /* set up sector start address table */
+ if (info->flash_id & FLASH_BTYPE) {
+ /* set sector offsets for bottom boot block type */
+ info->start[0] = base + 0x00000000;
+ info->start[1] = base + 0x00008000;
+ info->start[2] = base + 0x0000C000;
+ info->start[3] = base + 0x00010000;
+ for (i = 4; i < info->sector_count; i++) {
+ info->start[i] = base + (i * 0x00020000) - 0x00060000;
+ }
+ } else {
+ /* set sector offsets for top boot block type */
+ i = info->sector_count - 1;
+ info->start[i--] = base + info->size - 0x00008000;
+ info->start[i--] = base + info->size - 0x0000C000;
+ info->start[i--] = base + info->size - 0x00010000;
+ for (; i >= 0; i--) {
+ info->start[i] = base + i * 0x00020000;
+ }
+ }
+
+ /* check for protected sectors */
+ for (i = 0; i < info->sector_count; i++) {
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ addr = (volatile unsigned long *)(info->start[i]);
+ info->protect[i] = addr[2] & 1;
+ }
+
+ /*
+ * Prevent writes to uninitialized FLASH.
+ */
+ if (info->flash_id != FLASH_UNKNOWN) {
+ addr = (volatile unsigned long *)info->start[0];
+
+ *addr = 0x00F000F0; /* reset bank */
+ }
+
+ return (info->size);
+}
+#endif
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+ vu_long *addr = (vu_long*)(info->start[0]);
+ int flag, prot, sect, l_sect,in_mid,in_did;
+ ulong start, now, last;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("- missing\n");
+ } else {
+ printf ("- no sectors to erase\n");
+ }
+ return 1;
+ }
+
+ if ((info->flash_id == FLASH_UNKNOWN) ||
+ (info->flash_id > FLASH_AMD_COMP)) {
+ printf ("Can't erase unknown flash type %08lx - aborted\n",
+ info->flash_id);
+ return 1;
+ }
+
+ prot = 0;
+ for (sect=s_first; sect<=s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n",
+ prot);
+ } else {
+ printf ("\n");
+ }
+
+ l_sect = -1;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+#if defined (CONFIG_BOOT_8B )
+ my_out_8( (unsigned char * ) ((ulong)addr+0x555) , 0xaa );
+ my_out_8( (unsigned char * ) ((ulong)addr+0x2aa) , 0x55 );
+ my_out_8( (unsigned char * ) ((ulong)addr+0x555) , 0x90 );
+ in_mid=my_in_8( (unsigned char * ) addr );
+ in_did=my_in_8( (unsigned char * ) ((ulong)addr+1) );
+ printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did );
+ my_out_8( (unsigned char *)addr, 0xf0);
+ udelay(1);
+ my_out_8( (unsigned char *) ((ulong)addr+0x555),0xaa );
+ my_out_8( (unsigned char *) ((ulong)addr+0x2aa),0x55 );
+ my_out_8( (unsigned char *) ((ulong)addr+0x555),0x80 );
+ my_out_8( (unsigned char *) ((ulong)addr+0x555),0xaa );
+ my_out_8( (unsigned char *) ((ulong)addr+0x2aa),0x55 );
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect<=s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr = (vu_long*)(info->start[sect]);
+ //addr[0] = 0x00300030;
+ my_out_8( (unsigned char *) ((ulong)addr),0x30 );
+ l_sect = sect;
+ }
+ }
+#elif defined(CONFIG_BOOT_16B )
+ my_out_be16( (unsigned short * ) ((ulong)addr+ (0xaaa)) , 0xaa );
+ my_out_be16( (unsigned short * ) ((ulong)addr+ (0x554)) , 0x55 );
+ my_out_be16( (unsigned short * ) ((ulong)addr+ (0xaaa)) , 0x90 );
+ in_mid=my_in_be16( (unsigned short * ) addr );
+ in_did=my_in_be16 ( (unsigned short * ) ((ulong)addr+2) );
+ printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did );
+ my_out_be16( (unsigned short *)addr, 0xf0);
+ udelay(1);
+ my_out_be16( (unsigned short *) ((ulong)addr+ 0xaaa),0xaa );
+ my_out_be16( (unsigned short *) ((ulong)addr+0x554),0x55 );
+ my_out_be16( (unsigned short *) ((ulong)addr+0xaaa),0x80 );
+ my_out_be16( (unsigned short *) ((ulong)addr+0xaaa),0xaa );
+ my_out_be16( (unsigned short *) ((ulong)addr+0x554),0x55 );
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect<=s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr = (vu_long*)(info->start[sect]);
+ my_out_be16( (unsigned short *) ((ulong)addr),0x30 );
+ l_sect = sect;
+ }
+ }
+
+#elif defined(CONFIG_BOOT_32B)
+ my_out_be32( (unsigned * ) ((ulong)addr+0x1554) , 0xaa );
+ my_out_be32( (unsigned * ) ((ulong)addr+0xaa8) , 0x55 );
+ my_out_be32( (unsigned *) ((ulong)addr+0x1554) , 0x90 );
+ in_mid=my_in_be32( (unsigned * ) addr );
+ in_did=my_in_be32( (unsigned * ) ((ulong)addr+4) );
+ printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did );
+ my_out_be32( (unsigned *)addr, 0xf0);
+ udelay(1);
+ my_out_be32( (unsigned *) ((ulong)addr+0x1554),0xaa );
+ my_out_be32( (unsigned *) ((ulong)addr+0xaa8),0x55 );
+ my_out_be32( (unsigned *) ((ulong)addr+0x1554),0x80 );
+ my_out_be32( (unsigned *) ((ulong)addr+0x1554),0xaa );
+ my_out_be32( (unsigned *) ((ulong)addr+0xaa8),0x55 );
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect<=s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr = (vu_long*)(info->start[sect]);
+ my_out_be32( (unsigned *) ((ulong)addr),0x00300030 );
+ l_sect = sect;
+ }
+ }
+
+#else
+# error CONFIG_BOOT_(size)B missing.
+#endif
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay (1000);
+
+ /*
+ * We wait for the last triggered sector
+ */
+ if (l_sect < 0)
+ goto DONE;
+
+ start = get_timer (0);
+ last = start;
+ addr = (vu_long*)(info->start[l_sect]);
+#if defined (CONFIG_BOOT_8B)
+ while ( (my_in_8((unsigned char *)addr) & 0x80) != 0x80 )
+#elif defined(CONFIG_BOOT_16B )
+ while ( (my_in_be16((unsigned short *)addr) & 0x0080) != 0x0080 )
+#elif defined(CONFIG_BOOT_32B)
+ while ( (my_in_be32((unsigned *)addr) & 0x00800080) != 0x00800080 )
+#else
+# error CONFIG_BOOT_(size)B missing.
+#endif
+ {
+ if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ return 1;
+ }
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ putc ('.');
+ last = now;
+ }
+ }
+DONE:
+ /* reset to read mode */
+ addr = (volatile unsigned long *)info->start[0];
+#if defined (CONFIG_BOOT_8B)
+ my_out_8( (unsigned char *)addr, 0xf0);
+#elif defined(CONFIG_BOOT_16B )
+ my_out_be16( (unsigned short * ) addr , 0x00f0 );
+#elif defined(CONFIG_BOOT_32B)
+ my_out_be32 ( (unsigned *)addr, 0x00F000F0 ); /* reset bank */
+#else
+# error CONFIG_BOOT_(size)B missing.
+#endif
+ printf (" done\n");
+ return 0;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+
+int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+ ulong cp, wp, data;
+ int i, l, rc;
+
+ wp = (addr & ~3); /* get lower word aligned address */
+
+ /*
+ * handle unaligned start bytes
+ */
+ if ((l = addr - wp) != 0) {
+ data = 0;
+ for (i=0, cp=wp; i<l; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+ for (; i<4 && cnt>0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+ for (; cnt==0 && i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 4) {
+ data = 0;
+ for (i=0; i<4; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ cnt -= 4;
+ }
+
+ if (cnt == 0) {
+ return (0);
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+ data = (data << 8) | *src++;
+ --cnt;
+ }
+ for (; i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ return (write_word(info, wp, data));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word (flash_info_t *info, ulong dest, ulong data)
+{
+ ulong addr = (ulong)(info->start[0]);
+ ulong start,last;
+ int flag;
+ ulong i;
+ int data_short[2];
+
+ /* Check if Flash is (sufficiently) erased */
+ if ( ((ulong) *(ulong *)dest & data) != data ) {
+ return (2);
+ }
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+#if defined(CONFIG_BOOT_8B)
+#ifdef DEBUG
+ {
+ int in_mid,in_did;
+ my_out_8( (unsigned char * ) (addr+0x555) , 0xaa );
+ my_out_8( (unsigned char * ) (addr+0x2aa) , 0x55 );
+ my_out_8( (unsigned char * ) (addr+0x555) , 0x90 );
+ in_mid=my_in_8( (unsigned char * ) addr );
+ in_did=my_in_8( (unsigned char * ) (addr+1) );
+ printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did );
+ my_out_8( (unsigned char *)addr, 0xf0);
+ udelay(1);
+ }
+#endif
+ {
+ int data_ch[4];
+ data_ch[0]=(int ) ((data>>24) & 0xff);
+ data_ch[1]=(int ) ((data>>16) &0xff );
+ data_ch[2]=(int ) ((data >>8) & 0xff);
+ data_ch[3]=(int ) (data & 0xff);
+ for (i=0;i<4;i++ ){
+ my_out_8( (unsigned char *) (addr+0x555),0xaa);
+ my_out_8((unsigned char *) (addr+0x2aa),0x55);
+ my_out_8( (unsigned char *) (addr+0x555),0xa0);
+ my_out_8((unsigned char *) (dest+i) ,data_ch[i]);
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ start = get_timer (0);
+ last = start;
+ while( ( my_in_8((unsigned char *) (dest+i)) ) != ( data_ch[i] ) ) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT ) {
+ return 1;
+ }
+ }
+ }/* for */
+ }
+#elif defined( CONFIG_BOOT_16B)
+ data_short[0]=(int) (data>>16) & 0xffff;
+ data_short[1]=(int ) data & 0xffff ;
+ for (i=0;i<2;i++ ){
+ my_out_be16( (unsigned short *) ((ulong)addr+ 0xaaa),0xaa );
+ my_out_be16( (unsigned short *) ((ulong)addr+ 0x554),0x55 );
+ my_out_be16( (unsigned short *) ((ulong)addr+ 0xaaa),0xa0 );
+ my_out_be16( (unsigned short *) (dest+(i*2)) ,data_short[i]);
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+ start = get_timer (0);
+ last = start;
+ while( ( my_in_be16((unsigned short *) (dest+(i*2))) ) != ( data_short[i] ) ) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT ) {
+ return 1;
+ }
+ }
+ }
+#elif defined( CONFIG_BOOT_32B)
+ addr[0x0555] = 0x00AA00AA;
+ addr[0x02AA] = 0x00550055;
+ addr[0x0555] = 0x00A000A0;
+
+ *((vu_long *)dest) = data;
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ while ((*((vu_long *)dest) & 0x00800080) != (data & 0x00800080)) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+#endif
+
+
+ return (0);
+}
+#ifdef CONFIG_BOOT_8B
+static int my_in_8 ( unsigned char *addr)
+{
+ int ret;
+ __asm__ __volatile__("lbz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
+ return ret;
+}
+
+static void my_out_8 ( unsigned char *addr, int val)
+{
+ __asm__ __volatile__("stb%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+}
+#endif
+#ifdef CONFIG_BOOT_16B
+static int my_in_be16( unsigned short *addr)
+{
+ int ret;
+ __asm__ __volatile__("lhz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
+ return ret;
+}
+static void my_out_be16( unsigned short *addr, int val)
+{
+ __asm__ __volatile__("sth%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+}
+#endif
+#ifdef CONFIG_BOOT_32B
+static unsigned my_in_be32( unsigned *addr)
+{
+ unsigned ret;
+ __asm__ __volatile__("lwz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
+ return ret;
+}
+static void my_out_be32( unsigned *addr, int val)
+{
+ __asm__ __volatile__("stw%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+}
+#endif
+
+
+
--- /dev/null
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ cpu/mpc8xx/start.o (.text)
+ common/dlmalloc.o (.text)
+ ppc/ppcstring.o (.text)
+ ppc/vsprintf.o (.text)
+ ppc/crc32.o (.text)
+ ppc/zlib.o (.text)
+
+ . = env_offset;
+ common/environment.o(.text)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
+
--- /dev/null
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ cpu/mpc8xx/start.o (.text)
+ common/dlmalloc.o (.text)
+ ppc/vsprintf.o (.text)
+ ppc/crc32.o (.text)
+
+ . = env_offset;
+ common/environment.o(.text)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x0FFF) & 0xFFFFF000;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(4096);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(4096);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
+
--- /dev/null
+/*
+ * (C) Copyright 2000, 2001, 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+/* ------------------------------------------------------------------------- */
+const uint sdram_table[] =
+{
+/*-----------------
+ UPM A contents:
+----------------- */
+/*---------------------------------------------------
+ Read Single Beat Cycle. Offset 0 in the RAM array.
+---------------------------------------------------- */
+0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00 ,
+0x1ff77c47, 0x1ff77c35, 0xefeabc34, 0x1fb57c35 ,
+/*------------------------------------------------
+ Read Burst Cycle. Offset 0x8 in the RAM array.
+------------------------------------------------ */
+0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00,
+0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47,
+0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+/*-------------------------------------------------------
+ Write Single Beat Cycle. Offset 0x18 in the RAM array
+------------------------------------------------------- */
+0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47 ,
+0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff ,
+/*-------------------------------------------------
+ Write Burst Cycle. Offset 0x20 in the RAM array
+------------------------------------------------- */
+0x1f07fc04, 0xeeaebc00, 0x10ad7c00, 0xf0affc00,
+0xf0affc00, 0xe1bbbc04, 0x1ff77c47, 0xffffffff,
+0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff ,
+0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff ,
+/*------------------------------------------------------------------------
+ Periodic Timer Expired. For DRAM refresh. Offset 0x30 in the RAM array
+------------------------------------------------------------------------ */
+0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+0xfffffc84, 0xfffffc07, 0xffffffff, 0xffffffff,
+0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff ,
+/*-----------
+* Exception:
+* ----------- */
+0x7ffefc07, 0xffffffff, 0xffffffff, 0xffffffff ,
+};
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Check Board Identity:
+ *
+ * Test ID string (SVM8...)
+ *
+ * Return 1 for "SC8xx" type, 0 else.
+ */
+
+int checkboard (void)
+{
+ unsigned char *s = getenv("serial#");
+ int board_type;
+
+ if (!s || strncmp(s, "SVM8", 4)) {
+ printf ("### No HW ID - assuming SVM SC8xx\n");
+ return (0);
+ }
+
+ board_type = 1;
+
+ for (; *s; ++s) {
+ if (*s == ' ')
+ break;
+ putc (*s);
+ }
+
+ putc ('\n');
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ long int size_b0 = 0;
+
+ upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
+
+ memctl->memc_mptpr = CFG_MPTPR;
+#if defined (CONFIG_SDRAM_16M)
+ memctl->memc_mamr = 0x00802114 | CFG_MxMR_PTx;
+ memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */
+ udelay(1);
+ memctl->memc_mcr = 0x80002830;
+ udelay(1);
+ memctl->memc_mar = 0x00000088;
+ udelay(1);
+ memctl->memc_mcr = 0x80002106;
+ udelay(1);
+ memctl->memc_or1 = 0xff000a00;
+ size_b0 = 0x01000000;
+#elif defined (CONFIG_SDRAM_32M)
+ memctl->memc_mamr = 0x00904114 | CFG_MxMR_PTx;
+ memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */
+ udelay(1);
+ memctl->memc_mcr = 0x80002830;
+ udelay(1);
+ memctl->memc_mar = 0x00000088;
+ udelay(1);
+ memctl->memc_mcr = 0x80002106;
+ udelay(1);
+ memctl->memc_or1 = 0xfe000a00;
+ size_b0 = 0x02000000;
+#elif defined (CONFIG_SDRAM_64M)
+ memctl->memc_mamr = 0x00a04114 | CFG_MxMR_PTx;
+ memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */
+ udelay(1);
+ memctl->memc_mcr = 0x80002830;
+ udelay(1);
+ memctl->memc_mar = 0x00000088;
+ udelay(1);
+ memctl->memc_mcr = 0x80002106;
+ udelay(1);
+ memctl->memc_or1 = 0xfc000a00;
+ size_b0 = 0x04000000;
+#else
+#error SDRAM size configuration missing.
+#endif
+ memctl->memc_br1 = 0x00000081;
+ udelay(200);
+ return (size_b0 );
+}
+
+#if (CONFIG_COMMANDS & CFG_CMD_DOC)
+extern void doc_probe (ulong physadr);
+void doc_init (void)
+{
+ doc_probe (CFG_DOC_BASE);
+}
+#endif
+
--- /dev/null
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ cpu/mpc8xx/start.o (.text)
+ cpu/mpc8xx/traps.o (.text)
+ common/dlmalloc.o (.text)
+ lib_ppc/ppcstring.o (.text)
+ lib_generic/vsprintf.o (.text)
+ lib_generic/crc32.o (.text)
+ lib_generic/zlib.o (.text)
+ lib_ppc/cache.o (.text)
+ lib_ppc/time.o (.text)
+
+ . = env_offset;
+ common/environment.o (.ppcenv)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x00FF) & 0xFFFFFF00;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(256);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(256);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
+
--- /dev/null
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .init : { *(.init) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ cpu/mpc8xx/start.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/vsprintf.o (.text)
+ lib_generic/crc32.o (.text)
+
+ . = env_offset;
+ common/environment.o(.text)
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x0FFF) & 0xFFFFF000;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ *(.got)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ _FIXUP_TABLE_ = .;
+ *(.fixup)
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+ _edata = .;
+ PROVIDE (edata = .);
+
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ . = ALIGN(4096);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(4096);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}
+
COBJS = main.o altera.o bedbug.o \
cmd_autoscript.o cmd_bedbug.o cmd_boot.o \
cmd_bootm.o cmd_cache.o cmd_console.o cmd_date.o \
- cmd_dcr.o cmd_diag.o cmd_doc.o cmd_dtt.o \
+ cmd_dcr.o cmd_diag.o cmd_doc.o cmd_nand.o cmd_dtt.o \
cmd_eeprom.o cmd_elf.o cmd_fdc.o cmd_fdos.o cmd_flash.o \
cmd_fpga.o cmd_i2c.o cmd_ide.o cmd_immap.o \
cmd_jffs2.o cmd_log.o cmd_mem.o cmd_mii.o cmd_misc.o \
print_num ("boot_params", (ulong)bd->bi_boot_params);
for (i=0; i<CONFIG_NR_DRAM_BANKS; ++i) {
- printf ("DRAM:%02d.start = %08lX\n",
- i, bd->bi_dram[i].start);
- printf ("DRAM:%02d.size = %08lX\n",
- i, bd->bi_dram[i].size);
+ print_num("DRAM bank", i);
+ print_num("-> start", bd->bi_dram[i].start);
+ print_num("-> size", bd->bi_dram[i].size);
}
printf ("ethaddr =");
addr = simple_strtoul(argv[1], NULL, 16);
- printf ("## Starting application at 0x%08lx ...\n", addr);
+ printf ("## Starting application at 0x%08lX ...\n", addr);
/*
* pass address parameter as argv[0] (aka command name),
rc = ((ulong (*)(int, char *[]))addr) (--argc, &argv[1]);
if (rc != 0) rcode = 1;
- printf ("## Application terminated, rc = 0x%lx\n", rc);
+ printf ("## Application terminated, rc = 0x%lX\n", rc);
return rcode;
}
printf ("## S-Record download aborted\n");
rcode = 1;
} else {
- printf ("## Start Addr = 0x%08lx\n", addr);
+ printf ("## Start Addr = 0x%08lX\n", addr);
load_addr = addr;
}
memcpy ((char *)(store_addr), binbuf, binlen);
}
if ((store_addr) < start_addr)
- start_addr = store_addr;
+ start_addr = store_addr;
if ((store_addr + binlen - 1) > end_addr)
- end_addr = store_addr + binlen - 1;
+ end_addr = store_addr + binlen - 1;
break;
case SREC_END2:
case SREC_END3:
ulong offset = 0;
ulong addr;
- int i;
int load_baudrate, current_baudrate;
int rcode = 0;
+ char *s;
+
+ /* pre-set offset from CFG_LOAD_ADDR */
+ offset = CFG_LOAD_ADDR;
+
+ /* pre-set offset from $loadaddr */
+ if ((s = getenv("loadaddr")) != NULL) {
+ offset = simple_strtoul(s, NULL, 16);
+ }
load_baudrate = current_baudrate = gd->baudrate;
break;
}
}
- printf ("## Ready for binary (kermit) download ...\n");
+ printf ("## Ready for binary (kermit) download "
+ "to 0x%08lX at %d bps...\n",
+ offset,
+ current_baudrate);
addr = load_serial_bin (offset);
- /*
- * Gather any trailing characters (for instance, the ^D which
- * is sent by 'cu' after sending a file), and give the
- * box some time (100 * 1 ms)
- */
- for (i=0; i<100; ++i) {
- if (serial_tstc()) {
- (void) serial_getc();
- }
- udelay(1000);
- }
-
if (addr == ~0) {
load_addr = 0;
printf ("## Binary (kermit) download aborted\n");
rcode = 1;
} else {
- printf ("## Start Addr = 0x%08lx\n", addr);
+ printf ("## Start Addr = 0x%08lX\n", addr);
load_addr = addr;
}
--- /dev/null
+/*
+ * Driver for NAND support, Rick Bronson
+ * borrowed heavily from:
+ * (c) 1999 Machine Vision Holdings, Inc.
+ * (c) 1999, 2000 David Woodhouse <dwmw2@infradead.org>
+ *
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <malloc.h>
+#include <asm/io.h>
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+# include <status_led.h>
+# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
+#else
+# define SHOW_BOOT_PROGRESS(arg)
+#endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+
+#include <linux/mtd/nftl.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/nand_ids.h>
+
+/*
+ * Definition of the out of band configuration structure
+ */
+struct nand_oob_config {
+ int ecc_pos[6]; /* position of ECC bytes inside oob */
+ int badblock_pos; /* position of bad block flag inside oob -1 = inactive */
+ int eccvalid_pos; /* position of ECC valid flag inside oob -1 = inactive */
+} oob_config = { {0}, 0, 0};
+
+#define NAND_DEBUG
+#undef ECC_DEBUG
+#undef PSYCHO_DEBUG
+#undef NFTL_DEBUG
+
+#define CONFIG_MTD_NAND_ECC /* enable ECC */
+/* #define CONFIG_MTD_NAND_ECC_JFFS2 */
+
+/*
+ * Function Prototypes
+ */
+static void nand_print(struct nand_chip *nand);
+static int nand_rw (struct nand_chip* nand, int cmd,
+ size_t start, size_t len,
+ size_t * retlen, u_char * buf);
+static int nand_erase(struct nand_chip* nand, size_t ofs, size_t len);
+static int nand_read_ecc(struct nand_chip *nand, size_t start, size_t len,
+ size_t * retlen, u_char *buf, u_char *ecc_code);
+static int nand_write_ecc (struct nand_chip* nand, size_t to, size_t len,
+ size_t * retlen, const u_char * buf, u_char * ecc_code);
+#ifdef CONFIG_MTD_NAND_ECC
+static int nand_correct_data (u_char *dat, u_char *read_ecc, u_char *calc_ecc);
+static void nand_calculate_ecc (const u_char *dat, u_char *ecc_code);
+#endif
+
+static struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE] = {{0}};
+
+/* Current NAND Device */
+static int curr_device = -1;
+
+/* ------------------------------------------------------------------------- */
+
+int do_nand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int rcode = 0;
+
+ switch (argc) {
+ case 0:
+ case 1:
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ case 2:
+ if (strcmp(argv[1],"info") == 0) {
+ int i;
+
+ putc ('\n');
+
+ for (i=0; i<CFG_MAX_NAND_DEVICE; ++i) {
+ if(nand_dev_desc[i].ChipID == NAND_ChipID_UNKNOWN)
+ continue; /* list only known devices */
+ printf ("Device %d: ", i);
+ nand_print(&nand_dev_desc[i]);
+ }
+ return 0;
+
+ } else if (strcmp(argv[1],"device") == 0) {
+ if ((curr_device < 0) || (curr_device >= CFG_MAX_NAND_DEVICE)) {
+ puts ("\nno devices available\n");
+ return 1;
+ }
+ printf ("\nDevice %d: ", curr_device);
+ nand_print(&nand_dev_desc[curr_device]);
+ return 0;
+ }
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ case 3:
+ if (strcmp(argv[1],"device") == 0) {
+ int dev = (int)simple_strtoul(argv[2], NULL, 10);
+
+ printf ("\nDevice %d: ", dev);
+ if (dev >= CFG_MAX_NAND_DEVICE) {
+ puts ("unknown device\n");
+ return 1;
+ }
+ nand_print(&nand_dev_desc[dev]);
+ /*nand_print (dev);*/
+
+ if (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN) {
+ return 1;
+ }
+
+ curr_device = dev;
+
+ puts ("... is now current device\n");
+
+ return 0;
+ }
+
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ default:
+ /* at least 4 args */
+
+ if (strcmp(argv[1],"read") == 0 || strcmp(argv[1],"write") == 0) {
+ ulong addr = simple_strtoul(argv[2], NULL, 16);
+ ulong off = simple_strtoul(argv[3], NULL, 16);
+ ulong size = simple_strtoul(argv[4], NULL, 16);
+ int cmd = (strcmp(argv[1],"read") == 0);
+ int ret, total;
+
+ printf ("\nNAND %s: device %d offset %ld, size %ld ... ",
+ cmd ? "read" : "write", curr_device, off, size);
+
+ ret = nand_rw(nand_dev_desc + curr_device, cmd, off, size,
+ &total, (u_char*)addr);
+
+ printf ("%d bytes %s: %s\n", total, cmd ? "read" : "write",
+ ret ? "ERROR" : "OK");
+
+ return ret;
+ } else if (strcmp(argv[1],"erase") == 0) {
+ ulong off = simple_strtoul(argv[2], NULL, 16);
+ ulong size = simple_strtoul(argv[3], NULL, 16);
+ int ret;
+
+ printf ("\nNAND erase: device %d offset %ld, size %ld ... ",
+ curr_device, off, size);
+
+ ret = nand_erase (nand_dev_desc + curr_device, off, size);
+
+ printf("%s\n", ret ? "ERROR" : "OK");
+
+ return ret;
+ } else {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ rcode = 1;
+ }
+
+ return rcode;
+ }
+}
+
+int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ char *boot_device = NULL;
+ char *ep;
+ int dev;
+ ulong cnt;
+ ulong addr;
+ ulong offset = 0;
+ image_header_t *hdr;
+ int rcode = 0;
+ switch (argc) {
+ case 1:
+ addr = CFG_LOAD_ADDR;
+ boot_device = getenv ("bootdevice");
+ break;
+ case 2:
+ addr = simple_strtoul(argv[1], NULL, 16);
+ boot_device = getenv ("bootdevice");
+ break;
+ case 3:
+ addr = simple_strtoul(argv[1], NULL, 16);
+ boot_device = argv[2];
+ break;
+ case 4:
+ addr = simple_strtoul(argv[1], NULL, 16);
+ boot_device = argv[2];
+ offset = simple_strtoul(argv[3], NULL, 16);
+ break;
+ default:
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ SHOW_BOOT_PROGRESS (-1);
+ return 1;
+ }
+
+ if (!boot_device) {
+ puts ("\n** No boot device **\n");
+ SHOW_BOOT_PROGRESS (-1);
+ return 1;
+ }
+
+ dev = simple_strtoul(boot_device, &ep, 16);
+
+ if ((dev >= CFG_MAX_NAND_DEVICE) ||
+ (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN)) {
+ printf ("\n** Device %d not available\n", dev);
+ SHOW_BOOT_PROGRESS (-1);
+ return 1;
+ }
+
+ printf ("\nLoading from device %d: %s at 0x%lX (offset 0x%lX)\n",
+ dev, nand_dev_desc[dev].name, nand_dev_desc[dev].IO_ADDR,
+ offset);
+
+ if (nand_rw (nand_dev_desc + dev, 1, offset,
+ SECTORSIZE, NULL, (u_char *)addr)) {
+ printf ("** Read error on %d\n", dev);
+ SHOW_BOOT_PROGRESS (-1);
+ return 1;
+ }
+
+ hdr = (image_header_t *)addr;
+
+ if (ntohl(hdr->ih_magic) == IH_MAGIC) {
+
+ print_image_hdr (hdr);
+
+ cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
+ cnt -= SECTORSIZE;
+ } else {
+ printf ("\n** Bad Magic Number 0x%x **\n", hdr->ih_magic);
+ SHOW_BOOT_PROGRESS (-1);
+ return 1;
+ }
+
+ if (nand_rw (nand_dev_desc + dev, 1, offset + SECTORSIZE, cnt,
+ NULL, (u_char *)(addr+SECTORSIZE))) {
+ printf ("** Read error on %d\n", dev);
+ SHOW_BOOT_PROGRESS (-1);
+ return 1;
+ }
+
+ /* Loading ok, update default load address */
+
+ load_addr = addr;
+
+ /* Check if we should attempt an auto-start */
+ if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
+ char *local_args[2];
+ extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
+
+ local_args[0] = argv[0];
+ local_args[1] = NULL;
+
+ printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
+
+ do_bootm (cmdtp, 0, 1, local_args);
+ rcode = 1;
+ }
+ return rcode;
+}
+
+static int nand_rw (struct nand_chip* nand, int cmd,
+ size_t start, size_t len,
+ size_t * retlen, u_char * buf)
+{
+ int noecc, ret = 0, n, total = 0;
+ char eccbuf[6];
+
+ while(len) {
+ /* The ECC will not be calculated correctly if
+ less than 512 is written or read */
+ noecc = (start != (start | 0x1ff) + 1) || (len < 0x200);
+ if (cmd)
+ ret = nand_read_ecc(nand, start, len,
+ &n, (u_char*)buf,
+ noecc ? NULL : eccbuf);
+ else
+ ret = nand_write_ecc(nand, start, len,
+ &n, (u_char*)buf,
+ noecc ? NULL : eccbuf);
+
+ if (ret)
+ break;
+
+ start += n;
+ buf += n;
+ total += n;
+ len -= n;
+ }
+ if (retlen)
+ *retlen = total;
+
+ return ret;
+}
+
+static void nand_print(struct nand_chip *nand)
+ {
+ printf("%s at 0x%lX,\n"
+ "\t %d chip%s %s, size %d MB, \n"
+ "\t total size %ld MB, sector size %ld kB\n",
+ nand->name, nand->IO_ADDR, nand->numchips,
+ nand->numchips>1 ? "s" : "", nand->chips_name,
+ 1 << (nand->chipshift - 20),
+ nand->totlen >> 20, nand->erasesize >> 10);
+
+ if (nand->nftl_found) {
+ struct NFTLrecord *nftl = &nand->nftl;
+ unsigned long bin_size, flash_size;
+
+ bin_size = nftl->nb_boot_blocks * nand->erasesize;
+ flash_size = (nftl->nb_blocks - nftl->nb_boot_blocks) * nand->erasesize;
+
+ printf("\t NFTL boot record:\n"
+ "\t Binary partition: size %ld%s\n"
+ "\t Flash disk partition: size %ld%s, offset 0x%lx\n",
+ bin_size > (1 << 20) ? bin_size >> 20 : bin_size >> 10,
+ bin_size > (1 << 20) ? "MB" : "kB",
+ flash_size > (1 << 20) ? flash_size >> 20 : flash_size >> 10,
+ flash_size > (1 << 20) ? "MB" : "kB", bin_size);
+ } else {
+ puts ("\t No NFTL boot record found.\n");
+ }
+}
+
+/* ------------------------------------------------------------------------- */
+
+/* This function is needed to avoid calls of the __ashrdi3 function. */
+static int shr(int val, int shift)
+ {
+ return val >> shift;
+}
+
+static int NanD_WaitReady(struct nand_chip *nand)
+{
+ /* This is inline, to optimise the common case, where it's ready instantly */
+ int ret = 0;
+ NAND_WAIT_READY(nand);
+
+ return ret;
+}
+
+/* NanD_Command: Send a flash command to the flash chip */
+
+static inline int NanD_Command(struct nand_chip *nand, unsigned char command)
+{
+ unsigned long nandptr = nand->IO_ADDR;
+
+ /* Assert the CLE (Command Latch Enable) line to the flash chip */
+ NAND_CTL_SETCLE(nandptr);
+
+ /* Send the command */
+ WRITE_NAND_COMMAND(command, nandptr);
+
+ /* Lower the CLE line */
+ NAND_CTL_CLRCLE(nandptr);
+
+ return NanD_WaitReady(nand);
+}
+
+/* NanD_Address: Set the current address for the flash chip */
+
+static int NanD_Address(struct nand_chip *nand, int numbytes, unsigned long ofs)
+ {
+ unsigned long nandptr;
+ int i;
+
+ nandptr = nand->IO_ADDR;
+
+ /* Assert the ALE (Address Latch Enable) line to the flash chip */
+ NAND_CTL_SETALE(nandptr);
+
+ /* Send the address */
+ /* Devices with 256-byte page are addressed as:
+ Column (bits 0-7), Page (bits 8-15, 16-23, 24-31)
+ * there is no device on the market with page256
+ and more than 24 bits.
+ Devices with 512-byte page are addressed as:
+ Column (bits 0-7), Page (bits 9-16, 17-24, 25-31)
+ * 25-31 is sent only if the chip support it.
+ * bit 8 changes the read command to be sent
+ (NAND_CMD_READ0 or NAND_CMD_READ1).
+ */
+
+ if (numbytes == ADDR_COLUMN || numbytes == ADDR_COLUMN_PAGE)
+ WRITE_NAND_ADDRESS(ofs, nandptr);
+
+ ofs = ofs >> nand->page_shift;
+
+ if (numbytes == ADDR_PAGE || numbytes == ADDR_COLUMN_PAGE)
+ for (i = 0; i < nand->pageadrlen; i++, ofs = ofs >> 8)
+ WRITE_NAND_ADDRESS(ofs, nandptr);
+
+ /* Lower the ALE line */
+ NAND_CTL_CLRALE(nandptr);
+
+ /* Wait for the chip to respond */
+ return NanD_WaitReady(nand);
+ }
+
+/* NanD_SelectChip: Select a given flash chip within the current floor */
+
+static inline int NanD_SelectChip(struct nand_chip *nand, int chip)
+{
+ /* Wait for it to be ready */
+ return NanD_WaitReady(nand);
+}
+
+/* NanD_IdentChip: Identify a given NAND chip given {floor,chip} */
+
+static int NanD_IdentChip(struct nand_chip *nand, int floor, int chip)
+{
+ int mfr, id, i;
+
+ NAND_ENABLE_CE(nand); /* set pin low */
+ /* Reset the chip */
+ if (NanD_Command(nand, NAND_CMD_RESET)) {
+#ifdef NAND_DEBUG
+ printf("NanD_Command (reset) for %d,%d returned true\n",
+ floor, chip);
+#endif
+ NAND_DISABLE_CE(nand); /* set pin high */
+ return 0;
+ }
+
+ /* Read the NAND chip ID: 1. Send ReadID command */
+ if (NanD_Command(nand, NAND_CMD_READID)) {
+#ifdef NAND_DEBUG
+ printf("NanD_Command (ReadID) for %d,%d returned true\n",
+ floor, chip);
+#endif
+ NAND_DISABLE_CE(nand); /* set pin high */
+ return 0;
+ }
+
+ /* Read the NAND chip ID: 2. Send address byte zero */
+ NanD_Address(nand, ADDR_COLUMN, 0);
+
+ /* Read the manufacturer and device id codes from the device */
+
+ mfr = READ_NAND(nand->IO_ADDR);
+
+ id = READ_NAND(nand->IO_ADDR);
+
+ NAND_DISABLE_CE(nand); /* set pin high */
+ /* No response - return failure */
+ if (mfr == 0xff || mfr == 0)
+ {
+ printf("NanD_Command (ReadID) got %d %d\n", mfr, id);
+ return 0;
+ }
+
+ /* Check it's the same as the first chip we identified.
+ * M-Systems say that any given nand_chip device should only
+ * contain _one_ type of flash part, although that's not a
+ * hardware restriction. */
+ if (nand->mfr) {
+ if (nand->mfr == mfr && nand->id == id)
+ return 1; /* This is another the same the first */
+ else
+ printf("Flash chip at floor %d, chip %d is different:\n",
+ floor, chip);
+ }
+
+ /* Print and store the manufacturer and ID codes. */
+ for (i = 0; nand_flash_ids[i].name != NULL; i++) {
+ if (mfr == nand_flash_ids[i].manufacture_id &&
+ id == nand_flash_ids[i].model_id) {
+#ifdef NAND_DEBUG
+ printf("Flash chip found:\n\t Manufacturer ID: 0x%2.2X, "
+ "Chip ID: 0x%2.2X (%s)\n", mfr, id,
+ nand_flash_ids[i].name);
+#endif
+ if (!nand->mfr) {
+ nand->mfr = mfr;
+ nand->id = id;
+ nand->chipshift =
+ nand_flash_ids[i].chipshift;
+ nand->page256 = nand_flash_ids[i].page256;
+ if (nand->page256) {
+ nand->oobblock = 256;
+ nand->oobsize = 8;
+ nand->page_shift = 8;
+ } else {
+ nand->oobblock = 512;
+ nand->oobsize = 16;
+ nand->page_shift = 9;
+ }
+ nand->pageadrlen =
+ nand_flash_ids[i].pageadrlen;
+ nand->erasesize =
+ nand_flash_ids[i].erasesize;
+ nand->chips_name =
+ nand_flash_ids[i].name;
+ return 1;
+ }
+ return 0;
+ }
+ }
+
+
+#ifdef NAND_DEBUG
+ /* We haven't fully identified the chip. Print as much as we know. */
+ printf("Unknown flash chip found: %2.2X %2.2X\n",
+ id, mfr);
+#endif
+
+ return 0;
+}
+
+/* NanD_ScanChips: Find all NAND chips present in a nand_chip, and identify them */
+
+static void NanD_ScanChips(struct nand_chip *nand)
+{
+ int floor, chip;
+ int numchips[NAND_MAX_FLOORS];
+ int maxchips = NAND_MAX_CHIPS;
+ int ret = 1;
+
+ nand->numchips = 0;
+ nand->mfr = 0;
+ nand->id = 0;
+
+
+ /* For each floor, find the number of valid chips it contains */
+ for (floor = 0; floor < NAND_MAX_FLOORS; floor++) {
+ ret = 1;
+ numchips[floor] = 0;
+ for (chip = 0; chip < maxchips && ret != 0; chip++) {
+
+ ret = NanD_IdentChip(nand, floor, chip);
+ if (ret) {
+ numchips[floor]++;
+ nand->numchips++;
+ }
+ }
+ }
+
+ /* If there are none at all that we recognise, bail */
+ if (!nand->numchips) {
+ puts ("No flash chips recognised.\n");
+ return;
+ }
+
+ /* Allocate an array to hold the information for each chip */
+ nand->chips = malloc(sizeof(struct Nand) * nand->numchips);
+ if (!nand->chips) {
+ puts ("No memory for allocating chip info structures\n");
+ return;
+ }
+
+ ret = 0;
+
+ /* Fill out the chip array with {floor, chipno} for each
+ * detected chip in the device. */
+ for (floor = 0; floor < NAND_MAX_FLOORS; floor++) {
+ for (chip = 0; chip < numchips[floor]; chip++) {
+ nand->chips[ret].floor = floor;
+ nand->chips[ret].chip = chip;
+ nand->chips[ret].curadr = 0;
+ nand->chips[ret].curmode = 0x50;
+ ret++;
+ }
+ }
+
+ /* Calculate and print the total size of the device */
+ nand->totlen = nand->numchips * (1 << nand->chipshift);
+
+#ifdef NAND_DEBUG
+ printf("%d flash chips found. Total nand_chip size: %ld MB\n",
+ nand->numchips, nand->totlen >> 20);
+#endif
+}
+#ifdef CONFIG_MTD_NAND_ECC
+/* we need to be fast here, 1 us per read translates to 1 second per meg */
+static void nand_fast_copy (unsigned char *source, unsigned char *dest, long cntr)
+ {
+ while (cntr > 16)
+ {
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ *dest++ = *source++;
+ cntr -= 16;
+ }
+ while (cntr > 0)
+ {
+ *dest++ = *source++;
+ cntr--;
+ }
+ }
+#endif
+/* we need to be fast here, 1 us per read translates to 1 second per meg */
+static void nand_fast_read(unsigned char *data_buf, int cntr, unsigned long nandptr)
+ {
+ while (cntr > 16)
+ {
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ *data_buf++ = READ_NAND(nandptr);
+ cntr -= 16;
+ }
+ while (cntr > 0)
+ {
+ *data_buf++ = READ_NAND(nandptr);
+ cntr--;
+ }
+ }
+
+/* This routine is made available to other mtd code via
+ * inter_module_register. It must only be accessed through
+ * inter_module_get which will bump the use count of this module. The
+ * addresses passed back in mtd are valid as long as the use count of
+ * this module is non-zero, i.e. between inter_module_get and
+ * inter_module_put. Keith Owens <kaos@ocs.com.au> 29 Oct 2000.
+ */
+
+/*
+ * NAND read with ECC
+ */
+static int nand_read_ecc(struct nand_chip *nand, size_t start, size_t len,
+ size_t * retlen, u_char *buf, u_char *ecc_code)
+{
+ int col, page;
+ int ecc_status = 0;
+#ifdef CONFIG_MTD_NAND_ECC
+ int j;
+ int ecc_failed = 0;
+ u_char *data_poi;
+ u_char ecc_calc[6];
+#endif
+ unsigned long nandptr = nand->IO_ADDR;
+
+ /* Do not allow reads past end of device */
+ if ((start + len) > nand->totlen) {
+ printf ("nand_read_ecc: Attempt read beyond end of device %x %x %x\n", (uint) start, (uint) len, (uint) nand->totlen);
+ *retlen = 0;
+ return -1;
+ }
+
+ /* First we calculate the starting page */
+ page = shr(start, nand->page_shift);
+
+ /* Get raw starting column */
+ col = start & (nand->oobblock - 1);
+
+ /* Initialize return value */
+ *retlen = 0;
+
+ /* Select the NAND device */
+ NAND_ENABLE_CE(nand); /* set pin low */
+
+ /* Loop until all data read */
+ while (*retlen < len) {
+
+
+#ifdef CONFIG_MTD_NAND_ECC
+
+ /* Do we have this page in cache ? */
+ if (nand->cache_page == page)
+ goto readdata;
+ /* Send the read command */
+ NanD_Command(nand, NAND_CMD_READ0);
+ NanD_Address(nand, ADDR_COLUMN_PAGE, (page << nand->page_shift) + col);
+ /* Read in a page + oob data */
+ nand_fast_read(nand->data_buf, nand->oobblock + nand->oobsize, nandptr);
+
+ /* copy data into cache, for read out of cache and if ecc fails */
+ if (nand->data_cache)
+ memcpy (nand->data_cache, nand->data_buf, nand->oobblock + nand->oobsize);
+
+ /* Pick the ECC bytes out of the oob data */
+ for (j = 0; j < 6; j++)
+ ecc_code[j] = nand->data_buf[(nand->oobblock + oob_config.ecc_pos[j])];
+
+ /* Calculate the ECC and verify it */
+ /* If block was not written with ECC, skip ECC */
+ if (oob_config.eccvalid_pos != -1 &&
+ (nand->data_buf[nand->oobblock + oob_config.eccvalid_pos] & 0x0f) != 0x0f) {
+
+ nand_calculate_ecc (&nand->data_buf[0], &ecc_calc[0]);
+ switch (nand_correct_data (&nand->data_buf[0], &ecc_code[0], &ecc_calc[0])) {
+ case -1:
+ printf ("nand_read_ecc: " "Failed ECC read, page 0x%08x\n", page);
+ ecc_failed++;
+ break;
+ case 1:
+ case 2: /* transfer ECC corrected data to cache */
+ memcpy (nand->data_cache, nand->data_buf, 256);
+ break;
+ }
+ }
+
+ if (oob_config.eccvalid_pos != -1 &&
+ nand->oobblock == 512 && (nand->data_buf[nand->oobblock + oob_config.eccvalid_pos] & 0xf0) != 0xf0) {
+
+ nand_calculate_ecc (&nand->data_buf[256], &ecc_calc[3]);
+ switch (nand_correct_data (&nand->data_buf[256], &ecc_code[3], &ecc_calc[3])) {
+ case -1:
+ printf ("nand_read_ecc: " "Failed ECC read, page 0x%08x\n", page);
+ ecc_failed++;
+ break;
+ case 1:
+ case 2: /* transfer ECC corrected data to cache */
+ if (nand->data_cache)
+ memcpy (&nand->data_cache[256], &nand->data_buf[256], 256);
+ break;
+ }
+ }
+readdata:
+ /* Read the data from ECC data buffer into return buffer */
+ data_poi = (nand->data_cache) ? nand->data_cache : nand->data_buf;
+ data_poi += col;
+ if ((*retlen + (nand->oobblock - col)) >= len) {
+ nand_fast_copy (data_poi, buf + *retlen, len - *retlen);
+ *retlen = len;
+ } else {
+ nand_fast_copy (data_poi, buf + *retlen, nand->oobblock - col);
+ *retlen += nand->oobblock - col;
+ }
+ /* Set cache page address, invalidate, if ecc_failed */
+ nand->cache_page = (nand->data_cache && !ecc_failed) ? page : -1;
+
+ ecc_status += ecc_failed;
+ ecc_failed = 0;
+
+#else
+ /* Send the read command */
+ NanD_Command(nand, NAND_CMD_READ0);
+ NanD_Address(nand, ADDR_COLUMN_PAGE, (page << nand->page_shift) + col);
+ /* Read the data directly into the return buffer */
+ if ((*retlen + (nand->oobblock - col)) >= len) {
+ nand_fast_read(buf + *retlen, len - *retlen, nandptr);
+ *retlen = len;
+ /* We're done */
+ continue;
+ } else {
+ nand_fast_read(buf + *retlen, nand->oobblock - col, nandptr);
+ *retlen += nand->oobblock - col;
+ }
+#endif
+ /* For subsequent reads align to page boundary. */
+ col = 0;
+ /* Increment page address */
+ page++;
+ }
+
+ /* De-select the NAND device */
+ NAND_DISABLE_CE(nand); /* set pin high */
+
+ /*
+ * Return success, if no ECC failures, else -EIO
+ * fs driver will take care of that, because
+ * retlen == desired len and result == -EIO
+ */
+ return ecc_status ? -1 : 0;
+}
+
+
+/*
+ * Nand_page_program function is used for write and writev !
+ */
+static int nand_write_page (struct nand_chip *nand,
+ int page, int col, int last, u_char * ecc_code)
+{
+
+ int i;
+#ifdef CONFIG_MTD_NAND_ECC
+ unsigned long nandptr = nand->IO_ADDR;
+#ifdef CONFIG_MTD_NAND_VERIFY_WRITE
+ int ecc_bytes = (nand->oobblock == 512) ? 6 : 3;
+#endif
+#endif
+ /* pad oob area */
+ for (i = nand->oobblock; i < nand->oobblock + nand->oobsize; i++)
+ nand->data_buf[i] = 0xff;
+
+#ifdef CONFIG_MTD_NAND_ECC
+ /* Zero out the ECC array */
+ for (i = 0; i < 6; i++)
+ ecc_code[i] = 0x00;
+
+ /* Read back previous written data, if col > 0 */
+ if (col) {
+ NanD_Command(nand, NAND_CMD_READ0);
+ NanD_Address(nand, ADDR_COLUMN_PAGE, (page << nand->page_shift) + col);
+ for (i = 0; i < col; i++)
+ nand->data_buf[i] = READ_NAND (nandptr);
+ }
+
+ /* Calculate and write the ECC if we have enough data */
+ if ((col < nand->eccsize) && (last >= nand->eccsize)) {
+ nand_calculate_ecc (&nand->data_buf[0], &(ecc_code[0]));
+ for (i = 0; i < 3; i++)
+ nand->data_buf[(nand->oobblock + oob_config.ecc_pos[i])] = ecc_code[i];
+ if (oob_config.eccvalid_pos != -1)
+ nand->data_buf[nand->oobblock + oob_config.eccvalid_pos] = 0xf0;
+ }
+
+ /* Calculate and write the second ECC if we have enough data */
+ if ((nand->oobblock == 512) && (last == nand->oobblock)) {
+ nand_calculate_ecc (&nand->data_buf[256], &(ecc_code[3]));
+ for (i = 3; i < 6; i++)
+ nand->data_buf[(nand->oobblock + oob_config.ecc_pos[i])] = ecc_code[i];
+ if (oob_config.eccvalid_pos != -1)
+ nand->data_buf[nand->oobblock + oob_config.eccvalid_pos] &= 0x0f;
+ }
+#endif
+ /* Prepad for partial page programming !!! */
+ for (i = 0; i < col; i++)
+ nand->data_buf[i] = 0xff;
+
+ /* Postpad for partial page programming !!! oob is already padded */
+ for (i = last; i < nand->oobblock; i++)
+ nand->data_buf[i] = 0xff;
+
+ /* Send command to begin auto page programming */
+ NanD_Command(nand, NAND_CMD_SEQIN);
+ NanD_Address(nand, ADDR_COLUMN_PAGE, (page << nand->page_shift) + col);
+
+ /* Write out complete page of data */
+ for (i = 0; i < (nand->oobblock + nand->oobsize); i++)
+ WRITE_NAND(nand->data_buf[i], nand->IO_ADDR);
+
+ /* Send command to actually program the data */
+ NanD_Command(nand, NAND_CMD_PAGEPROG);
+ NanD_Command(nand, NAND_CMD_STATUS);
+
+ /* See if device thinks it succeeded */
+ if (READ_NAND(nand->IO_ADDR) & 0x01) {
+ printf ("nand_write_ecc: " "Failed write, page 0x%08x, ", page);
+ return -1;
+ }
+#ifdef CONFIG_MTD_NAND_VERIFY_WRITE
+ /*
+ * The NAND device assumes that it is always writing to
+ * a cleanly erased page. Hence, it performs its internal
+ * write verification only on bits that transitioned from
+ * 1 to 0. The device does NOT verify the whole page on a
+ * byte by byte basis. It is possible that the page was
+ * not completely erased or the page is becoming unusable
+ * due to wear. The read with ECC would catch the error
+ * later when the ECC page check fails, but we would rather
+ * catch it early in the page write stage. Better to write
+ * no data than invalid data.
+ */
+
+ /* Send command to read back the page */
+ if (col < nand->eccsize)
+ NanD_Command(nand, NAND_CMD_READ0);
+ else
+ NanD_Command(nand, NAND_CMD_READ1);
+ NanD_Address(nand, ADDR_COLUMN_PAGE, (page << nand->page_shift) + col);
+
+ /* Loop through and verify the data */
+ for (i = col; i < last; i++) {
+ if (nand->data_buf[i] != readb (nand->IO_ADDR)) {
+ printf ("nand_write_ecc: " "Failed write verify, page 0x%08x ", page);
+ return -1;
+ }
+ }
+
+#ifdef CONFIG_MTD_NAND_ECC
+ /*
+ * We also want to check that the ECC bytes wrote
+ * correctly for the same reasons stated above.
+ */
+ NanD_Command(nand, NAND_CMD_READOOB);
+ NanD_Address(nand, ADDR_COLUMN_PAGE, (page << nand->page_shift) + col);
+ for (i = 0; i < nand->oobsize; i++)
+ nand->data_buf[i] = readb (nand->IO_ADDR);
+ for (i = 0; i < ecc_bytes; i++) {
+ if ((nand->data_buf[(oob_config.ecc_pos[i])] != ecc_code[i]) && ecc_code[i]) {
+ printf ("nand_write_ecc: Failed ECC write "
+ "verify, page 0x%08x, " "%6i bytes were succesful\n", page, i);
+ return -1;
+ }
+ }
+#endif
+#endif
+ return 0;
+}
+static int nand_write_ecc (struct nand_chip* nand, size_t to, size_t len,
+ size_t * retlen, const u_char * buf, u_char * ecc_code)
+{
+ int i, page, col, cnt, ret = 0;
+
+ /* Do not allow write past end of device */
+ if ((to + len) > nand->totlen) {
+ printf ("nand_write_oob: Attempt to write past end of page\n");
+ return -1;
+ }
+
+ /* Shift to get page */
+ page = ((int) to) >> nand->page_shift;
+
+ /* Get the starting column */
+ col = to & (nand->oobblock - 1);
+
+ /* Initialize return length value */
+ *retlen = 0;
+
+ /* Select the NAND device */
+ NAND_ENABLE_CE(nand); /* set pin low */
+
+ /* Check the WP bit */
+ NanD_Command(nand, NAND_CMD_STATUS);
+ if (!(READ_NAND(nand->IO_ADDR) & 0x80)) {
+ printf ("nand_write_ecc: Device is write protected!!!\n");
+ ret = -1;
+ goto out;
+ }
+
+ /* Loop until all data is written */
+ while (*retlen < len) {
+ /* Invalidate cache, if we write to this page */
+ if (nand->cache_page == page)
+ nand->cache_page = -1;
+
+ /* Write data into buffer */
+ if ((col + len) >= nand->oobblock)
+ for (i = col, cnt = 0; i < nand->oobblock; i++, cnt++)
+ nand->data_buf[i] = buf[(*retlen + cnt)];
+ else
+ for (i = col, cnt = 0; cnt < (len - *retlen); i++, cnt++)
+ nand->data_buf[i] = buf[(*retlen + cnt)];
+ /* We use the same function for write and writev !) */
+ ret = nand_write_page (nand, page, col, i, ecc_code);
+ if (ret)
+ goto out;
+
+ /* Next data start at page boundary */
+ col = 0;
+
+ /* Update written bytes count */
+ *retlen += cnt;
+
+ /* Increment page address */
+ page++;
+ }
+
+ /* Return happy */
+ *retlen = len;
+
+out:
+ /* De-select the NAND device */
+ NAND_DISABLE_CE(nand); /* set pin high */
+
+ return ret;
+}
+
+#if 0 /* not used */
+/* Read a buffer from NanD */
+static void NanD_ReadBuf(struct nand_chip *nand, u_char * buf, int len)
+{
+ unsigned long nandptr;
+
+ nandptr = nand->IO_ADDR;
+
+ for (; len > 0; len--)
+ *buf++ = READ_NAND(nandptr);
+
+}
+/* Write a buffer to NanD */
+static void NanD_WriteBuf(struct nand_chip *nand, const u_char * buf, int len)
+{
+ unsigned long nandptr;
+ int i;
+
+ nandptr = nand->IO_ADDR;
+
+ if (len <= 0)
+ return;
+
+ for (i = 0; i < len; i++)
+ WRITE_NAND(buf[i], nandptr);
+
+}
+
+/* find_boot_record: Find the NFTL Media Header and its Spare copy which contains the
+ * various device information of the NFTL partition and Bad Unit Table. Update
+ * the ReplUnitTable[] table accroding to the Bad Unit Table. ReplUnitTable[]
+ * is used for management of Erase Unit in other routines in nftl.c and nftlmount.c
+ */
+static int find_boot_record(struct NFTLrecord *nftl)
+{
+ struct nftl_uci1 h1;
+ struct nftl_oob oob;
+ unsigned int block, boot_record_count = 0;
+ int retlen;
+ u8 buf[SECTORSIZE];
+ struct NFTLMediaHeader *mh = &nftl->MediaHdr;
+ unsigned int i;
+
+ nftl->MediaUnit = BLOCK_NIL;
+ nftl->SpareMediaUnit = BLOCK_NIL;
+
+ /* search for a valid boot record */
+ for (block = 0; block < nftl->nb_blocks; block++) {
+ int ret;
+
+ /* Check for ANAND header first. Then can whinge if it's found but later
+ checks fail */
+ if ((ret = nand_read_ecc(nftl->mtd, block * nftl->EraseSize, SECTORSIZE,
+ &retlen, buf, NULL))) {
+ static int warncount = 5;
+
+ if (warncount) {
+ printf("Block read at 0x%x failed\n", block * nftl->EraseSize);
+ if (!--warncount)
+ puts ("Further failures for this block will not be printed\n");
+ }
+ continue;
+ }
+
+ if (retlen < 6 || memcmp(buf, "ANAND", 6)) {
+ /* ANAND\0 not found. Continue */
+#ifdef PSYCHO_DEBUG
+ printf("ANAND header not found at 0x%x\n", block * nftl->EraseSize);
+#endif
+ continue;
+ }
+
+#ifdef NFTL_DEBUG
+ printf("ANAND header found at 0x%x\n", block * nftl->EraseSize);
+#endif
+
+ /* To be safer with BIOS, also use erase mark as discriminant */
+ if ((ret = nand_read_oob(nftl->mtd, block * nftl->EraseSize + SECTORSIZE + 8,
+ 8, &retlen, (char *)&h1) < 0)) {
+#ifdef NFTL_DEBUG
+ printf("ANAND header found at 0x%x, but OOB data read failed\n",
+ block * nftl->EraseSize);
+#endif
+ continue;
+ }
+
+ /* OK, we like it. */
+
+ if (boot_record_count) {
+ /* We've already processed one. So we just check if
+ this one is the same as the first one we found */
+ if (memcmp(mh, buf, sizeof(struct NFTLMediaHeader))) {
+#ifdef NFTL_DEBUG
+ printf("NFTL Media Headers at 0x%x and 0x%x disagree.\n",
+ nftl->MediaUnit * nftl->EraseSize, block * nftl->EraseSize);
+#endif
+ /* if (debug) Print both side by side */
+ return -1;
+ }
+ if (boot_record_count == 1)
+ nftl->SpareMediaUnit = block;
+
+ boot_record_count++;
+ continue;
+ }
+
+ /* This is the first we've seen. Copy the media header structure into place */
+ memcpy(mh, buf, sizeof(struct NFTLMediaHeader));
+
+ /* Do some sanity checks on it */
+ if (mh->UnitSizeFactor != 0xff) {
+ puts ("Sorry, we don't support UnitSizeFactor "
+ "of != 1 yet.\n");
+ return -1;
+ }
+
+ nftl->nb_boot_blocks = le16_to_cpu(mh->FirstPhysicalEUN);
+ if ((nftl->nb_boot_blocks + 2) >= nftl->nb_blocks) {
+ printf ("NFTL Media Header sanity check failed:\n"
+ "nb_boot_blocks (%d) + 2 > nb_blocks (%d)\n",
+ nftl->nb_boot_blocks, nftl->nb_blocks);
+ return -1;
+ }
+
+ nftl->numvunits = le32_to_cpu(mh->FormattedSize) / nftl->EraseSize;
+ if (nftl->numvunits > (nftl->nb_blocks - nftl->nb_boot_blocks - 2)) {
+ printf ("NFTL Media Header sanity check failed:\n"
+ "numvunits (%d) > nb_blocks (%d) - nb_boot_blocks(%d) - 2\n",
+ nftl->numvunits,
+ nftl->nb_blocks,
+ nftl->nb_boot_blocks);
+ return -1;
+ }
+
+ nftl->nr_sects = nftl->numvunits * (nftl->EraseSize / SECTORSIZE);
+
+ /* If we're not using the last sectors in the device for some reason,
+ reduce nb_blocks accordingly so we forget they're there */
+ nftl->nb_blocks = le16_to_cpu(mh->NumEraseUnits) + le16_to_cpu(mh->FirstPhysicalEUN);
+
+ /* read the Bad Erase Unit Table and modify ReplUnitTable[] accordingly */
+ for (i = 0; i < nftl->nb_blocks; i++) {
+ if ((i & (SECTORSIZE - 1)) == 0) {
+ /* read one sector for every SECTORSIZE of blocks */
+ if ((ret = nand_read_ecc(nftl->mtd, block * nftl->EraseSize +
+ i + SECTORSIZE, SECTORSIZE,
+ &retlen, buf, (char *)&oob)) < 0) {
+ puts ("Read of bad sector table failed\n");
+ return -1;
+ }
+ }
+ /* mark the Bad Erase Unit as RESERVED in ReplUnitTable */
+ if (buf[i & (SECTORSIZE - 1)] != 0xff)
+ nftl->ReplUnitTable[i] = BLOCK_RESERVED;
+ }
+
+ nftl->MediaUnit = block;
+ boot_record_count++;
+
+ } /* foreach (block) */
+
+ return boot_record_count?0:-1;
+}
+static int nand_read_oob(struct nand_chip* nand, size_t ofs, size_t len,
+ size_t * retlen, u_char * buf)
+{
+ int len256 = 0, ret;
+ unsigned long nandptr;
+ struct Nand *mychip;
+
+ nandptr = nand->IO_ADDR;
+
+ mychip = &nand->chips[shr(ofs, nand->chipshift)];
+
+ /* update address for 2M x 8bit devices. OOB starts on the second */
+ /* page to maintain compatibility with nand_read_ecc. */
+ if (nand->page256) {
+ if (!(ofs & 0x8))
+ ofs += 0x100;
+ else
+ ofs -= 0x8;
+ }
+
+ NanD_Command(nand, NAND_CMD_READOOB);
+ NanD_Address(nand, ADDR_COLUMN_PAGE, ofs);
+
+ /* treat crossing 8-byte OOB data for 2M x 8bit devices */
+ /* Note: datasheet says it should automaticaly wrap to the */
+ /* next OOB block, but it didn't work here. mf. */
+ if (nand->page256 && ofs + len > (ofs | 0x7) + 1) {
+ len256 = (ofs | 0x7) + 1 - ofs;
+ NanD_ReadBuf(nand, buf, len256);
+
+ NanD_Command(nand, NAND_CMD_READOOB);
+ NanD_Address(nand, ADDR_COLUMN_PAGE, ofs & (~0x1ff));
+ }
+
+ NanD_ReadBuf(nand, &buf[len256], len - len256);
+
+ *retlen = len;
+ /* Reading the full OOB data drops us off of the end of the page,
+ * causing the flash device to go into busy mode, so we need
+ * to wait until ready 11.4.1 and Toshiba TC58256FT nands */
+
+ ret = NanD_WaitReady(nand);
+
+ return ret;
+
+}
+static int nand_write_oob(struct nand_chip* nand, size_t ofs, size_t len,
+ size_t * retlen, const u_char * buf)
+{
+ int len256 = 0;
+ unsigned long nandptr = nand->IO_ADDR;
+
+#ifdef PSYCHO_DEBUG
+ printf("nand_write_oob(%lx, %d): %2.2X %2.2X %2.2X %2.2X ... %2.2X %2.2X .. %2.2X %2.2X\n",
+ (long)ofs, len, buf[0], buf[1], buf[2], buf[3],
+ buf[8], buf[9], buf[14],buf[15]);
+#endif
+
+ /* Reset the chip */
+ NanD_Command(nand, NAND_CMD_RESET);
+
+ /* issue the Read2 command to set the pointer to the Spare Data Area. */
+ NanD_Command(nand, NAND_CMD_READOOB);
+ NanD_Address(nand, ADDR_COLUMN_PAGE, ofs);
+
+ /* update address for 2M x 8bit devices. OOB starts on the second */
+ /* page to maintain compatibility with nand_read_ecc. */
+ if (nand->page256) {
+ if (!(ofs & 0x8))
+ ofs += 0x100;
+ else
+ ofs -= 0x8;
+ }
+
+ /* issue the Serial Data In command to initial the Page Program process */
+ NanD_Command(nand, NAND_CMD_SEQIN);
+ NanD_Address(nand, ADDR_COLUMN_PAGE, ofs);
+
+ /* treat crossing 8-byte OOB data for 2M x 8bit devices */
+ /* Note: datasheet says it should automaticaly wrap to the */
+ /* next OOB block, but it didn't work here. mf. */
+ if (nand->page256 && ofs + len > (ofs | 0x7) + 1) {
+ len256 = (ofs | 0x7) + 1 - ofs;
+ NanD_WriteBuf(nand, buf, len256);
+
+ NanD_Command(nand, NAND_CMD_PAGEPROG);
+ NanD_Command(nand, NAND_CMD_STATUS);
+ /* NanD_WaitReady() is implicit in NanD_Command */
+
+ if (READ_NAND(nandptr) & 1) {
+ puts ("Error programming oob data\n");
+ /* There was an error */
+ *retlen = 0;
+ return -1;
+ }
+ NanD_Command(nand, NAND_CMD_SEQIN);
+ NanD_Address(nand, ADDR_COLUMN_PAGE, ofs & (~0x1ff));
+ }
+
+ NanD_WriteBuf(nand, &buf[len256], len - len256);
+
+ NanD_Command(nand, NAND_CMD_PAGEPROG);
+ NanD_Command(nand, NAND_CMD_STATUS);
+ /* NanD_WaitReady() is implicit in NanD_Command */
+
+ if (READ_NAND(nandptr) & 1) {
+ puts ("Error programming oob data\n");
+ /* There was an error */
+ *retlen = 0;
+ return -1;
+ }
+
+ *retlen = len;
+ return 0;
+
+}
+#endif
+
+static int nand_erase(struct nand_chip* nand, size_t ofs, size_t len)
+{
+ unsigned long nandptr;
+ struct Nand *mychip;
+
+ if (ofs & (nand->erasesize-1) || len & (nand->erasesize-1)) {
+ printf ("Offset and size must be sector aligned, erasesize = %d\n",
+ (int) nand->erasesize);
+ return -1;
+ }
+
+ nandptr = nand->IO_ADDR;
+
+ /* FIXME: Do nand in the background. Use timers or schedule_task() */
+ while(len) {
+ mychip = &nand->chips[shr(ofs, nand->chipshift)];
+
+ NanD_Command(nand, NAND_CMD_ERASE1);
+ NanD_Address(nand, ADDR_PAGE, ofs);
+ NanD_Command(nand, NAND_CMD_ERASE2);
+
+ NanD_Command(nand, NAND_CMD_STATUS);
+
+ if (READ_NAND(nandptr) & 1) {
+ printf("Error erasing at 0x%lx\n", (long)ofs);
+ /* There was an error */
+ goto callback;
+ }
+ ofs += nand->erasesize;
+ len -= nand->erasesize;
+ }
+
+ callback:
+ return 0;
+}
+
+static inline int nandcheck(unsigned long potential, unsigned long physadr)
+{
+
+
+ return 0;
+}
+
+void nand_probe(unsigned long physadr)
+{
+ struct nand_chip *nand = NULL;
+ int i = 0, ChipID = 1;
+
+#ifdef CONFIG_MTD_NAND_ECC_JFFS2
+ oob_config.ecc_pos[0] = NAND_JFFS2_OOB_ECCPOS0;
+ oob_config.ecc_pos[1] = NAND_JFFS2_OOB_ECCPOS1;
+ oob_config.ecc_pos[2] = NAND_JFFS2_OOB_ECCPOS2;
+ oob_config.ecc_pos[3] = NAND_JFFS2_OOB_ECCPOS3;
+ oob_config.ecc_pos[4] = NAND_JFFS2_OOB_ECCPOS4;
+ oob_config.ecc_pos[5] = NAND_JFFS2_OOB_ECCPOS5;
+ oob_config.badblock_pos = 5;
+ oob_config.eccvalid_pos = 4;
+#else
+ oob_config.ecc_pos[0] = NAND_NOOB_ECCPOS0;
+ oob_config.ecc_pos[1] = NAND_NOOB_ECCPOS1;
+ oob_config.ecc_pos[2] = NAND_NOOB_ECCPOS2;
+ oob_config.ecc_pos[3] = NAND_NOOB_ECCPOS3;
+ oob_config.ecc_pos[4] = NAND_NOOB_ECCPOS4;
+ oob_config.ecc_pos[5] = NAND_NOOB_ECCPOS5;
+ oob_config.badblock_pos = NAND_NOOB_BADBPOS;
+ oob_config.eccvalid_pos = NAND_NOOB_ECCVPOS;
+#endif
+
+ for (i=0; i<CFG_MAX_NAND_DEVICE; i++) {
+ if (nand_dev_desc[i].ChipID == NAND_ChipID_UNKNOWN) {
+ nand = nand_dev_desc + i;
+ break;
+ }
+ }
+
+ if (curr_device == -1)
+ curr_device = i;
+
+ memset((char *)nand, 0, sizeof(struct nand_chip));
+
+ nand->cache_page = -1; /* init the cache page */
+ nand->IO_ADDR = physadr;
+ nand->ChipID = ChipID;
+ NanD_ScanChips(nand);
+ nand->data_buf = malloc (nand->oobblock + nand->oobsize);
+ if (!nand->data_buf) {
+ puts ("Cannot allocate memory for data structures.\n");
+ return;
+ }
+}
+
+#ifdef CONFIG_MTD_NAND_ECC
+/*
+ * Pre-calculated 256-way 1 byte column parity
+ */
+static const u_char nand_ecc_precalc_table[] = {
+ 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00,
+ 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65,
+ 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66,
+ 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03,
+ 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69,
+ 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c,
+ 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f,
+ 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a,
+ 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a,
+ 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f,
+ 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c,
+ 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69,
+ 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03,
+ 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66,
+ 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65,
+ 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00
+};
+
+
+/*
+ * Creates non-inverted ECC code from line parity
+ */
+static void nand_trans_result(u_char reg2, u_char reg3,
+ u_char *ecc_code)
+{
+ u_char a, b, i, tmp1, tmp2;
+
+ /* Initialize variables */
+ a = b = 0x80;
+ tmp1 = tmp2 = 0;
+
+ /* Calculate first ECC byte */
+ for (i = 0; i < 4; i++) {
+ if (reg3 & a) /* LP15,13,11,9 --> ecc_code[0] */
+ tmp1 |= b;
+ b >>= 1;
+ if (reg2 & a) /* LP14,12,10,8 --> ecc_code[0] */
+ tmp1 |= b;
+ b >>= 1;
+ a >>= 1;
+ }
+
+ /* Calculate second ECC byte */
+ b = 0x80;
+ for (i = 0; i < 4; i++) {
+ if (reg3 & a) /* LP7,5,3,1 --> ecc_code[1] */
+ tmp2 |= b;
+ b >>= 1;
+ if (reg2 & a) /* LP6,4,2,0 --> ecc_code[1] */
+ tmp2 |= b;
+ b >>= 1;
+ a >>= 1;
+ }
+
+ /* Store two of the ECC bytes */
+ ecc_code[0] = tmp1;
+ ecc_code[1] = tmp2;
+}
+
+/*
+ * Calculate 3 byte ECC code for 256 byte block
+ */
+static void nand_calculate_ecc (const u_char *dat, u_char *ecc_code)
+{
+ u_char idx, reg1, reg2, reg3;
+ int j;
+
+ /* Initialize variables */
+ reg1 = reg2 = reg3 = 0;
+ ecc_code[0] = ecc_code[1] = ecc_code[2] = 0;
+
+ /* Build up column parity */
+ for(j = 0; j < 256; j++) {
+
+ /* Get CP0 - CP5 from table */
+ idx = nand_ecc_precalc_table[dat[j]];
+ reg1 ^= (idx & 0x3f);
+
+ /* All bit XOR = 1 ? */
+ if (idx & 0x40) {
+ reg3 ^= (u_char) j;
+ reg2 ^= ~((u_char) j);
+ }
+ }
+
+ /* Create non-inverted ECC code from line parity */
+ nand_trans_result(reg2, reg3, ecc_code);
+
+ /* Calculate final ECC code */
+ ecc_code[0] = ~ecc_code[0];
+ ecc_code[1] = ~ecc_code[1];
+ ecc_code[2] = ((~reg1) << 2) | 0x03;
+}
+
+/*
+ * Detect and correct a 1 bit error for 256 byte block
+ */
+static int nand_correct_data (u_char *dat, u_char *read_ecc, u_char *calc_ecc)
+{
+ u_char a, b, c, d1, d2, d3, add, bit, i;
+
+ /* Do error detection */
+ d1 = calc_ecc[0] ^ read_ecc[0];
+ d2 = calc_ecc[1] ^ read_ecc[1];
+ d3 = calc_ecc[2] ^ read_ecc[2];
+
+ if ((d1 | d2 | d3) == 0) {
+ /* No errors */
+ return 0;
+ }
+ else {
+ a = (d1 ^ (d1 >> 1)) & 0x55;
+ b = (d2 ^ (d2 >> 1)) & 0x55;
+ c = (d3 ^ (d3 >> 1)) & 0x54;
+
+ /* Found and will correct single bit error in the data */
+ if ((a == 0x55) && (b == 0x55) && (c == 0x54)) {
+ c = 0x80;
+ add = 0;
+ a = 0x80;
+ for (i=0; i<4; i++) {
+ if (d1 & c)
+ add |= a;
+ c >>= 2;
+ a >>= 1;
+ }
+ c = 0x80;
+ for (i=0; i<4; i++) {
+ if (d2 & c)
+ add |= a;
+ c >>= 2;
+ a >>= 1;
+ }
+ bit = 0;
+ b = 0x04;
+ c = 0x80;
+ for (i=0; i<3; i++) {
+ if (d3 & c)
+ bit |= b;
+ c >>= 2;
+ b >>= 1;
+ }
+ b = 0x01;
+ a = dat[add];
+ a ^= (b << bit);
+ dat[add] = a;
+ return 1;
+ }
+ else {
+ i = 0;
+ while (d1) {
+ if (d1 & 0x01)
+ ++i;
+ d1 >>= 1;
+ }
+ while (d2) {
+ if (d2 & 0x01)
+ ++i;
+ d2 >>= 1;
+ }
+ while (d3) {
+ if (d3 & 0x01)
+ ++i;
+ d3 >>= 1;
+ }
+ if (i == 1) {
+ /* ECC Code Error Correction */
+ read_ecc[0] = calc_ecc[0];
+ read_ecc[1] = calc_ecc[1];
+ read_ecc[2] = calc_ecc[2];
+ return 2;
+ }
+ else {
+ /* Uncorrectable Error */
+ return -1;
+ }
+ }
+ }
+
+ /* Should never happen */
+ return -1;
+}
+#endif
+#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */
/* -------------------------------------------------------------------- */
/* TQM8xxL Boards by TQ Components */
+/* SC8xx Boards by SinoVee Microsystems */
/* -------------------------------------------------------------------- */
-#if defined(CONFIG_TQM8xxL)
+#if defined(CONFIG_TQM8xxL) || defined(CONFIG_SVM_SC8xx)
+#if defined(CONFIG_TQM8xxL)
#define PCMCIA_BOARD_MSG "TQM8xxL"
-
+#endif
+#if defined(CONFIG_SVM_SC8xx)
+#define PCMCIA_BOARD_MSG "SC8xx"
+#endif
static int hardware_enable(int slot)
{
#include <cmd_mii.h>
#include <cmd_dcr.h> /* 4xx DCR register access */
#include <cmd_doc.h>
+#include <cmd_nand.h>
#include <cmd_jffs2.h>
#include <cmd_fpga.h>
CMD_TBL_MTEST
CMD_TBL_MUXINFO
CMD_TBL_MW
+ CMD_TBL_NAND
+ CMD_TBL_NANDBOOT
CMD_TBL_NEXT
CMD_TBL_NM
CMD_TBL_PCI
--- /dev/null
+#
+# (C) Copyright 2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = lib$(CPU).a
+
+START = start.o
+OBJS = serial.o interrupts.o cpu.o
+
+all: .depend $(START) $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2002
+# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+# Marius Groeger <mgroeger@sysgo.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
+ -mshort-load-bytes -msoft-float
+
+PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=arm7tdmi
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <AT91RM9200.h>
+
+/* read co-processor 15, register #1 (control register) */
+static unsigned long read_p15_c1(void)
+{
+ unsigned long value;
+
+ __asm__ __volatile__(
+ "mrc p15, 0, %0, c1, c0, 0 @ read control reg\n"
+ : "=r" (value)
+ :
+ : "memory");
+ /*printf("p15/c1 is = %08lx\n", value); */
+ return value;
+}
+
+/* write to co-processor 15, register #1 (control register) */
+static void write_p15_c1(unsigned long value)
+{
+ /*printf("write %08lx to p15/c1\n", value); */
+ __asm__ __volatile__(
+ "mcr p15, 0, %0, c1, c0, 0 @ write it back\n"
+ : "=r" (value)
+ :
+ : "memory");
+
+ read_p15_c1();
+}
+
+static void cp_delay(void)
+{
+ volatile int i;
+
+ /* copro seems to need some delay between reading and writing */
+ for (i=0; i<100; i++);
+}
+/* See also ARM Ref. Man. */
+#define C1_MMU (1<<0) /* mmu off/on */
+#define C1_ALIGN (1<<1) /* alignment faults off/on */
+#define C1_IDC (1<<2) /* icache and/or dcache off/on */
+#define C1_WRITE_BUFFER (1<<3) /* write buffer off/on */
+#define C1_BIG_ENDIAN (1<<7) /* big endian off/on */
+#define C1_SYS_PROT (1<<8) /* system protection */
+#define C1_ROM_PROT (1<<9) /* ROM protection */
+#define C1_HIGH_VECTORS (1<<13) /* location of vectors: low/high addresses */
+
+int cpu_init(void)
+{
+ /*
+ * setup up stack if necessary
+ */
+#ifdef CONFIG_USE_IRQ
+ IRQ_STACK_START = _armboot_end +
+ CONFIG_STACKSIZE + CONFIG_STACKSIZE_IRQ - 4;
+ FIQ_STACK_START = IRQ_STACK_START + CONFIG_STACKSIZE_FIQ;
+ _armboot_real_end = FIQ_STACK_START + 4;
+#else
+ _armboot_real_end = _armboot_end + CONFIG_STACKSIZE;
+#endif
+ return 0;
+}
+
+int cleanup_before_linux(void)
+{
+ /*
+ * this function is called just before we call linux
+ * it prepares the processor for linux
+ *
+ * we turn off caches etc ...
+ * and we set the CPU-speed to 73 MHz - see start.S for details
+ */
+
+ disable_interrupts();
+ return 0;
+}
+
+int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+
+#ifdef CFG_SOFT_RESET
+ extern void reset_cpu(ulong addr);
+
+ disable_interrupts();
+ reset_cpu(0);
+#else
+ AT91PS_USART us = AT91C_BASE_US1;
+ AT91PS_PIO pio = AT91C_BASE_PIOA;
+
+ /*shutdown the console to avoid strange chars during reset */
+ us->US_CR = (AT91C_US_RSTRX | AT91C_US_RSTTX);
+
+ /* Clear PA19 to trigger the hard reset */
+ pio->PIO_CODR = 0x00080000;
+ pio->PIO_OER = 0x00080000;
+ pio->PIO_PER = 0x00080000;
+ /* Never reached */
+#endif
+ return 0;
+}
+
+void icache_enable(void)
+{
+ ulong reg;
+ reg = read_p15_c1();
+ cp_delay();
+ write_p15_c1(reg | C1_IDC);
+}
+
+void icache_disable(void)
+{
+ ulong reg;
+ reg = read_p15_c1();
+ cp_delay();
+ write_p15_c1(reg & ~C1_IDC);
+}
+
+int icache_status(void)
+{
+ return (read_p15_c1() & C1_IDC) != 0;
+ return 0;
+}
+
+void dcache_enable(void)
+{
+ ulong reg;
+ reg = read_p15_c1();
+ cp_delay();
+ write_p15_c1(reg | C1_IDC);
+}
+
+void dcache_disable(void)
+{
+ ulong reg;
+ reg = read_p15_c1();
+ cp_delay();
+ write_p15_c1(reg & ~C1_IDC);
+}
+
+int dcache_status(void)
+{
+ return (read_p15_c1() & C1_IDC) != 0;
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Lineo, Inc. <www.lineo.com>
+ * Bernhard Kuhn <bkuhn@lineo.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <AT91RM9200.h>
+#include <asm/proc-armv/ptrace.h>
+
+extern void reset_cpu(ulong addr);
+
+/* we always count down the max. */
+#define TIMER_LOAD_VAL 0xffff
+
+/* macro to read the 16 bit timer */
+#define READ_TIMER (tmr->TC_CV)
+AT91PS_TC tmr;
+
+
+
+void enable_interrupts (void)
+{
+ return;
+}
+int disable_interrupts (void)
+{
+ return 0;
+}
+
+
+void bad_mode(void)
+{
+ panic("Resetting CPU ...\n");
+ reset_cpu(0);
+}
+
+void show_regs(struct pt_regs * regs)
+{
+ unsigned long flags;
+const char *processor_modes[]=
+{ "USER_26", "FIQ_26" , "IRQ_26" , "SVC_26" , "UK4_26" , "UK5_26" , "UK6_26" , "UK7_26" ,
+ "UK8_26" , "UK9_26" , "UK10_26", "UK11_26", "UK12_26", "UK13_26", "UK14_26", "UK15_26",
+ "USER_32", "FIQ_32" , "IRQ_32" , "SVC_32" , "UK4_32" , "UK5_32" , "UK6_32" , "ABT_32" ,
+ "UK8_32" , "UK9_32" , "UK10_32", "UND_32" , "UK12_32", "UK13_32", "UK14_32", "SYS_32"
+};
+
+ flags = condition_codes(regs);
+
+ printf("pc : [<%08lx>] lr : [<%08lx>]\n"
+ "sp : %08lx ip : %08lx fp : %08lx\n",
+ instruction_pointer(regs),
+ regs->ARM_lr, regs->ARM_sp,
+ regs->ARM_ip, regs->ARM_fp);
+ printf("r10: %08lx r9 : %08lx r8 : %08lx\n",
+ regs->ARM_r10, regs->ARM_r9,
+ regs->ARM_r8);
+ printf("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n",
+ regs->ARM_r7, regs->ARM_r6,
+ regs->ARM_r5, regs->ARM_r4);
+ printf("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n",
+ regs->ARM_r3, regs->ARM_r2,
+ regs->ARM_r1, regs->ARM_r0);
+ printf("Flags: %c%c%c%c",
+ flags & CC_N_BIT ? 'N' : 'n',
+ flags & CC_Z_BIT ? 'Z' : 'z',
+ flags & CC_C_BIT ? 'C' : 'c',
+ flags & CC_V_BIT ? 'V' : 'v');
+ printf(" IRQs %s FIQs %s Mode %s%s\n",
+ interrupts_enabled(regs) ? "on" : "off",
+ fast_interrupts_enabled(regs) ? "on" : "off",
+ processor_modes[processor_mode(regs)],
+ thumb_mode(regs) ? " (T)" : "");
+}
+
+void do_undefined_instruction(struct pt_regs *pt_regs)
+{
+ printf("undefined instruction\n");
+ show_regs(pt_regs);
+ bad_mode();
+}
+
+void do_software_interrupt(struct pt_regs *pt_regs)
+{
+ printf("software interrupt\n");
+ show_regs(pt_regs);
+ bad_mode();
+}
+
+void do_prefetch_abort(struct pt_regs *pt_regs)
+{
+ printf("prefetch abort\n");
+ show_regs(pt_regs);
+ bad_mode();
+}
+
+void do_data_abort(struct pt_regs *pt_regs)
+{
+ printf("data abort\n");
+ show_regs(pt_regs);
+ bad_mode();
+}
+
+void do_not_used(struct pt_regs *pt_regs)
+{
+ printf("not used\n");
+ show_regs(pt_regs);
+ bad_mode();
+}
+
+void do_fiq(struct pt_regs *pt_regs)
+{
+ printf("fast interrupt request\n");
+ show_regs(pt_regs);
+ bad_mode();
+}
+
+void do_irq(struct pt_regs *pt_regs)
+{
+ printf("interrupt request\n");
+ show_regs(pt_regs);
+ bad_mode();
+}
+
+static ulong timestamp;
+static ulong lastinc;
+
+int interrupt_init (void)
+{
+
+ tmr = AT91C_BASE_TC0;
+
+ /* enables TC1.0 clock */
+ *AT91C_PMC_PCER = 1 << AT91C_ID_TC0; /* enable clock */
+
+ *AT91C_TCB0_BCR = 0;
+ *AT91C_TCB0_BMR = AT91C_TCB_TC0XC0S_NONE | AT91C_TCB_TC1XC1S_NONE | AT91C_TCB_TC2XC2S_NONE;
+ tmr->TC_CCR = AT91C_TC_CLKDIS;
+ tmr->TC_CMR = AT91C_TC_TIMER_DIV1_CLOCK; /* set to MCLK/2 */
+
+ tmr->TC_IDR = ~0ul;
+ tmr->TC_RC = TIMER_LOAD_VAL;
+ lastinc = TIMER_LOAD_VAL;
+ tmr->TC_CCR = AT91C_TC_SWTRG | AT91C_TC_CLKEN;
+ timestamp = 0;
+ return (0);
+}
+
+/*
+ * timer without interrupts
+ */
+
+void reset_timer(void)
+{
+ reset_timer_masked();
+}
+
+ulong get_timer (ulong base)
+{
+ return get_timer_masked() - base;
+}
+
+void set_timer (ulong t)
+{
+ timestamp = t;
+}
+
+void udelay(unsigned long usec)
+{
+ udelay_masked(usec);
+}
+
+void reset_timer_masked(void)
+{
+ /* reset time */
+ lastinc = READ_TIMER;
+ timestamp = 0;
+}
+
+ulong get_timer_masked(void)
+{
+ ulong now = READ_TIMER;
+ if (now >= lastinc)
+ {
+ /* normal mode */
+ timestamp += now - lastinc;
+ } else {
+ /* we have an overflow ... */
+ timestamp += now + TIMER_LOAD_VAL - lastinc;
+ }
+ lastinc = now;
+
+ return timestamp;
+}
+
+void udelay_masked(unsigned long usec)
+{
+ ulong tmo;
+
+ tmo = usec / 1000;
+ tmo *= CFG_HZ;
+ tmo /= 1000;
+
+ reset_timer_masked();
+
+ while(get_timer_masked() < tmo);
+ /*NOP*/;
+}
+
+
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Lineo, Inc <www.lineo.com>
+ * Bernhard Kuhn <bkuhn@lineo.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <AT91RM9200.h>
+
+/* ggi thunder */
+AT91PS_USART us = (AT91PS_USART) AT91C_BASE_DBGU;
+
+void serial_setbrg(void)
+ {
+ DECLARE_GLOBAL_DATA_PTR;
+ int baudrate;
+
+ if ((baudrate = gd->bd->bi_baudrate) <= 0)
+ baudrate = CONFIG_BAUDRATE;
+ us->US_BRGR = 33 /* AT91C_MASTER_CLOCK / baudrate / 16 */; /* hardcode so no __divsi3 */
+ }
+
+int serial_init(void)
+ {
+ /* make any port initializations specific to this port */
+ *AT91C_PIOA_PDR = AT91C_PA31_DTXD | AT91C_PA30_DRXD; /* PA 31 & 30 */
+ *AT91C_PMC_PCER = 1 << AT91C_ID_SYS; /* enable clock */
+ serial_setbrg();
+
+ us->US_CR = AT91C_US_RSTRX | AT91C_US_RSTTX;
+ us->US_CR = AT91C_US_RXEN | AT91C_US_TXEN;
+ us->US_MR = ( AT91C_US_CLKS_CLOCK | AT91C_US_CHRL_8_BITS | AT91C_US_PAR_NONE | AT91C_US_NBSTOP_1_BIT );
+ us->US_IMR = ~0ul;
+ return (0);
+ }
+
+void serial_putc(const char c)
+ {
+ if (c == '\n')
+ serial_putc('\r');
+ while( (us->US_CSR & AT91C_US_TXRDY) == 0 )
+ ;
+ us->US_THR=c;
+ }
+
+void
+serial_puts (const char *s)
+ {
+ while (*s)
+ {
+ serial_putc (*s++);
+ }
+ }
+
+int serial_getc(void)
+ {
+ while( (us->US_CSR & AT91C_US_RXRDY) == 0 );
+ return us->US_RHR;
+ }
+
+int serial_tstc(void)
+ {
+ return ((us->US_CSR & AT91C_US_RXRDY) == AT91C_US_RXRDY);
+ }
--- /dev/null
+/*
+ * armboot - Startup Code for ARM720 CPU-core
+ *
+ * Copyright (c) 2001 Marius Gröger <mag@sysgo.de>
+ * Copyright (c) 2002 Alex Züpke <azu@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+
+
+#include "config.h"
+#include "version.h"
+
+
+/*
+ *************************************************************************
+ *
+ * Jump vector table as in table 3.1 in [1]
+ *
+ *************************************************************************
+ */
+
+
+.globl _start
+_start: b reset
+ ldr pc, _undefined_instruction
+ ldr pc, _software_interrupt
+ ldr pc, _prefetch_abort
+ ldr pc, _data_abort
+ ldr pc, _not_used
+ ldr pc, _irq
+ ldr pc, _fiq
+
+_undefined_instruction: .word undefined_instruction
+_software_interrupt: .word software_interrupt
+_prefetch_abort: .word prefetch_abort
+_data_abort: .word data_abort
+_not_used: .word not_used
+_irq: .word irq
+_fiq: .word fiq
+
+ .balignl 16,0xdeadbeef
+
+
+/*
+ *************************************************************************
+ *
+ * Startup Code (reset vector)
+ *
+ * do important init only if we don't start from memory!
+ * relocate armboot to ram
+ * setup stack
+ * jump to second stage
+ *
+ *************************************************************************
+ */
+
+/*
+ * CFG_MEM_END is in the board dependent config-file (configs/config_BOARD.h)
+ */
+_TEXT_BASE:
+ .word TEXT_BASE
+
+.globl _armboot_start
+_armboot_start:
+ .word _start
+
+/*
+ * Note: _armboot_end_data and _armboot_end are defined
+ * by the (board-dependent) linker script.
+ * _armboot_end_data is the first usable FLASH address after armboot
+ */
+.globl _armboot_end_data
+_armboot_end_data:
+ .word armboot_end_data
+/*
+ * Note: armboot_end is defined by the (board-dependent) linker script
+ */
+.globl _armboot_end
+_armboot_end:
+ .word armboot_end
+
+/*
+ * _armboot_real_end is the first usable RAM address behind armboot
+ * and the various stacks
+ */
+.globl _armboot_real_end
+_armboot_real_end:
+ .word 0x0badc0de
+
+#ifdef CONFIG_USE_IRQ
+/* IRQ stack memory (calculated at run-time) */
+.globl IRQ_STACK_START
+IRQ_STACK_START:
+ .word 0x0badc0de
+
+/* IRQ stack memory (calculated at run-time) */
+.globl FIQ_STACK_START
+FIQ_STACK_START:
+ .word 0x0badc0de
+#endif
+
+
+/*
+ * the actual reset code
+ */
+
+reset:
+ /*
+ * set the cpu to SVC32 mode
+ */
+ mrs r0,cpsr
+ bic r0,r0,#0x1f
+ orr r0,r0,#0x13
+ msr cpsr,r0
+
+ /*
+ * relocate exeception table
+ */
+ ldr r0, =_start
+ ldr r1, =0x0
+ mov r2, #16
+copyex:
+ subs r2, r2, #1
+ ldr r3, [r0], #4
+ str r3, [r1], #4
+ bne copyex
+
+ /*
+ * we do sys-critical inits only at reboot,
+ * not when booting from ram!
+ */
+#ifdef CONFIG_INIT_CRITICAL
+ bl cpu_init_crit
+#endif
+
+ /* set up the stack */
+ ldr r0, _armboot_end
+ add r0, r0, #CONFIG_STACKSIZE
+ sub sp, r0, #12 /* leave 3 words for abort-stack */
+ ldr pc,_start_armboot
+
+_start_armboot: .word start_armboot
+
+/*
+ *************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ *************************************************************************
+ */
+
+cpu_init_crit:
+ # actually do nothing for now!
+ mov pc, lr
+
+
+
+
+/*
+ *************************************************************************
+ *
+ * Interrupt handling
+ *
+ *************************************************************************
+ */
+
+@
+@ IRQ stack frame.
+@
+#define S_FRAME_SIZE 72
+
+#define S_OLD_R0 68
+#define S_PSR 64
+#define S_PC 60
+#define S_LR 56
+#define S_SP 52
+
+#define S_IP 48
+#define S_FP 44
+#define S_R10 40
+#define S_R9 36
+#define S_R8 32
+#define S_R7 28
+#define S_R6 24
+#define S_R5 20
+#define S_R4 16
+#define S_R3 12
+#define S_R2 8
+#define S_R1 4
+#define S_R0 0
+
+#define MODE_SVC 0x13
+#define I_BIT 0x80
+
+/*
+ * use bad_save_user_regs for abort/prefetch/undef/swi ...
+ * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
+ */
+
+ .macro bad_save_user_regs
+ sub sp, sp, #S_FRAME_SIZE
+ stmia sp, {r0 - r12} @ Calling r0-r12
+ add r8, sp, #S_PC
+
+ ldr r2, _armboot_end
+ add r2, r2, #CONFIG_STACKSIZE
+ sub r2, r2, #8
+ ldmia r2, {r2 - r4} @ get pc, cpsr, old_r0
+ add r0, sp, #S_FRAME_SIZE @ restore sp_SVC
+
+ add r5, sp, #S_SP
+ mov r1, lr
+ stmia r5, {r0 - r4} @ save sp_SVC, lr_SVC, pc, cpsr, old_r
+ mov r0, sp
+ .endm
+
+ .macro irq_save_user_regs
+ sub sp, sp, #S_FRAME_SIZE
+ stmia sp, {r0 - r12} @ Calling r0-r12
+ add r8, sp, #S_PC
+ stmdb r8, {sp, lr}^ @ Calling SP, LR
+ str lr, [r8, #0] @ Save calling PC
+ mrs r6, spsr
+ str r6, [r8, #4] @ Save CPSR
+ str r0, [r8, #8] @ Save OLD_R0
+ mov r0, sp
+ .endm
+
+ .macro irq_restore_user_regs
+ ldmia sp, {r0 - lr}^ @ Calling r0 - lr
+ mov r0, r0
+ ldr lr, [sp, #S_PC] @ Get PC
+ add sp, sp, #S_FRAME_SIZE
+ subs pc, lr, #4 @ return & move spsr_svc into cpsr
+ .endm
+
+ .macro get_bad_stack
+ ldr r13, _armboot_end @ setup our mode stack
+ add r13, r13, #CONFIG_STACKSIZE @ resides at top of normal stack
+ sub r13, r13, #8
+
+ str lr, [r13] @ save caller lr / spsr
+ mrs lr, spsr
+ str lr, [r13, #4]
+
+ mov r13, #MODE_SVC @ prepare SVC-Mode
+ msr spsr_c, r13
+ mov lr, pc
+ movs pc, lr
+ .endm
+
+ .macro get_irq_stack @ setup IRQ stack
+ ldr sp, IRQ_STACK_START
+ .endm
+
+ .macro get_fiq_stack @ setup FIQ stack
+ ldr sp, FIQ_STACK_START
+ .endm
+
+/*
+ * exception handlers
+ */
+ .align 5
+undefined_instruction:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_undefined_instruction
+
+ .align 5
+software_interrupt:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_software_interrupt
+
+ .align 5
+prefetch_abort:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_prefetch_abort
+
+ .align 5
+data_abort:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_data_abort
+
+ .align 5
+not_used:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_not_used
+
+#ifdef CONFIG_USE_IRQ
+
+ .align 5
+irq:
+ get_irq_stack
+ irq_save_user_regs
+ bl do_irq
+ irq_restore_user_regs
+
+ .align 5
+fiq:
+ get_fiq_stack
+ /* someone ought to write a more effiction fiq_save_user_regs */
+ irq_save_user_regs
+ bl do_fiq
+ irq_restore_user_regs
+
+#else
+
+ .align 5
+irq:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_irq
+
+ .align 5
+fiq:
+ get_bad_stack
+ bad_save_user_regs
+ bl do_fiq
+
+#endif
+
+ .align 5
+.globl reset_cpu
+reset_cpu:
+ mov pc, r0
#endif /* CONFIG_WATCHDOG */
/* SIUMCR - contains debug pin configuration (11-6) */
-
+#ifndef CONFIG_SVM_SC8xx
immr->im_siu_conf.sc_siumcr |= CFG_SIUMCR;
-
+#else
+ immr->im_siu_conf.sc_siumcr = CFG_SIUMCR;
+#endif
/* initialize timebase status and control register (11-26) */
/* unlock TBSCRK */
hang ();
#ifdef CONFIG_SERIAL1
+ /* SA1110 uart function */
+ Ser1SDCR0 |= SDCR0_SUS;
+
/* Wait until port is ready ... */
- while (Ser1UTSR1 & UTSR1_TBY) {
- }
+ while(Ser1UTSR1 & UTSR1_TBY) {}
/* init serial serial 1 */
Ser1UTCR3 = 0x00;
Ser1UTSR0 = 0xff;
- Ser1UTCR0 = (UTCR0_1StpBit | UTCR0_8BitData);
+ Ser1UTCR0 = ( UTCR0_1StpBit | UTCR0_8BitData );
Ser1UTCR1 = 0;
- Ser1UTCR2 = (u32) reg;
- Ser1UTCR3 = (UTCR3_RXE | UTCR3_TXE);
+ Ser1UTCR2 = (u32)reg;
+ Ser1UTCR3 = ( UTCR3_RXE | UTCR3_TXE );
#elif CONFIG_SERIAL3
/* Wait until port is ready ... */
while (Ser3UTSR1 & UTSR1_TBY) {
LIB = libdrivers.a
-OBJS = 3c589.o 5701rls.o bcm570x.o bcm570x_autoneg.o \
+OBJS = 3c589.o 5701rls.o at91rm9200_ether.o \
+ bcm570x.o bcm570x_autoneg.o \
cfb_console.o cs8900.o ct69000.o dc2114x.o \
eepro100.o i8042.o inca-ip_sw.o \
natsemi.o ns16550.o ns8382x.o ns87308.o \
--- /dev/null
+
+#include <common.h>
+#include <command.h>
+#include <AT91RM9200.h>
+#include <net.h>
+
+/* ----- Ethernet Buffer definitions ----- */
+
+typedef struct {
+ unsigned long addr,size;
+} rbf_t;
+
+#define RBF_ADDR 0xfffffffc
+#define RBF_OWNER (1<<0)
+#define RBF_WRAP (1<<1)
+#define RBF_BROADCAST (1<<31)
+#define RBF_MULTICAST (1<<30)
+#define RBF_UNICAST (1<<29)
+#define RBF_EXTERNAL (1<<28)
+#define RBF_UNKOWN (1<<27)
+#define RBF_SIZE 0x07ff
+#define RBF_LOCAL4 (1<<26)
+#define RBF_LOCAL3 (1<<25)
+#define RBF_LOCAL2 (1<<24)
+#define RBF_LOCAL1 (1<<23)
+
+#define RBF_FRAMEMAX 10
+#define RBF_FRAMEMEM 0x200000
+#define RBF_FRAMELEN 0x600
+
+#define RBF_FRAMEBTD RBF_FRAMEMEM
+#define RBF_FRAMEBUF (RBF_FRAMEMEM + RBF_FRAMEMAX*sizeof(rbf_t))
+
+/* stolen from mii.h */
+/* Generic MII registers. */
+
+#define MII_BMCR 0x00 /* Basic mode control register */
+#define MII_BMSR 0x01 /* Basic mode status register */
+#define BMSR_JCD 0x0002 /* Jabber detected */
+#define BMSR_LSTATUS 0x0004 /* Link status */
+#define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */
+#define BMSR_100FULL 0x4000 /* Can do 100mbps, full-duplex */
+#define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */
+#define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */
+
+#define MII_STS2_REG 17 /* Davicom specific */
+#define MII_MDINTR_REG 21 /* Davicom specific */
+
+#ifdef CONFIG_DRIVER_ETHER
+
+#if (CONFIG_COMMANDS & CFG_CMD_NET)
+
+AT91PS_EMAC p_mac;
+
+int MII_ReadPhy(unsigned char addr, unsigned short *ret)
+ {
+
+ p_mac->EMAC_MAN = 0x60020000 | (addr << 18);
+ udelay(10000);
+ *ret = (unsigned short)p_mac->EMAC_MAN;
+ return 1;
+ }
+
+
+int MII_GetLinkSpeed(void)
+ {
+ unsigned short stat1, stat2;
+ int ret;
+
+ if (!(ret = MII_ReadPhy(MII_BMSR, &stat1)))
+ return 0;
+
+ if (stat1 & BMSR_JCD)
+ {
+#ifdef DEBUG
+ printf("MII: jabber condition detected\n");
+#endif /*jabber detected re-read the register*/
+ }
+ if (!(ret = MII_ReadPhy(MII_BMSR, &stat1)))
+ return 0;
+ if (!(stat1 & BMSR_LSTATUS)) /* link status up? */
+ {
+ printf("MII: no Link\n");
+ return 0;
+ }
+
+ if (!(ret = MII_ReadPhy(MII_STS2_REG, &stat2)))
+ return 0;
+
+ if ((stat1 & BMSR_100FULL) && (stat2 & 0x8000) )
+ {
+ /* set MII for 100BaseTX and Full Duplex */
+ p_mac->EMAC_CFG |= AT91C_EMAC_SPD | AT91C_EMAC_FD;
+#ifdef DEBUG
+ printf("MII: 100BaseTX and Full Duplex detected\n");
+#endif
+ return 1;
+ }
+
+ else
+ if ((stat1 & BMSR_10FULL) && (stat2 & 0x2000))
+ {
+ /* set MII for 10BaseT and Full Duplex */
+ p_mac->EMAC_CFG = (p_mac->EMAC_CFG & ~(AT91C_EMAC_SPD | AT91C_EMAC_FD));
+#ifdef DEBUG
+ printf("MII: 10BaseT and Full Duplex detected\n");
+#endif
+ return 1;
+ }
+ else
+ if ((stat1 & BMSR_100HALF) && (stat2 & 0x4000))
+ {
+ /* set MII for 100BaseTX and Half Duplex */
+ p_mac->EMAC_CFG = (p_mac->EMAC_CFG & ~(AT91C_EMAC_SPD | AT91C_EMAC_FD));
+#ifdef DEBUG
+ printf("MII: 100BaseTX and Hall Duplex detected\n");
+#endif
+ return 1;
+ }
+ else
+ if ((stat1 & BMSR_10HALF) && (stat2 & 0x1000))
+ {
+ /*set MII for 10BaseT and Half Duplex */
+ p_mac->EMAC_CFG &= ~(AT91C_EMAC_SPD | AT91C_EMAC_FD);
+#ifdef DEBUG
+ printf("MII: 10BaseT and Hall Duplex detected\n");
+#endif
+ return 1;
+ }
+
+ return 0;
+ }
+
+
+int MDIO_StartupPhy(void)
+ {
+ int ret;
+
+ if(p_mac->EMAC_SR & AT91C_EMAC_LINK)
+ {
+ printf("MDIO_StartupPhy: no link\n");
+ return 0;
+ };
+
+ p_mac->EMAC_CTL |= AT91C_EMAC_MPE;
+
+ ret = MII_GetLinkSpeed();
+ if (ret == 0)
+ {
+ printf("MDIO_StartupPhy: MII_GetLinkSpeed failed\n");
+ ret = 0;
+ }
+ else
+ {
+ ret = 1;
+ }
+
+ p_mac->EMAC_CTL &= ~AT91C_EMAC_MPE;
+ return ret;
+
+ }
+
+
+rbf_t* rbfdt;
+rbf_t* rbfp;
+
+int eth_init( bd_t *bd )
+ {
+ int ret;
+ int i;
+ p_mac = AT91C_BASE_EMAC;
+
+ *AT91C_PIOA_PDR = AT91C_PA16_EMDIO |
+ AT91C_PA15_EMDC | AT91C_PA14_ERXER | AT91C_PA13_ERX1 | AT91C_PA12_ERX0 |
+ AT91C_PA11_ECRS_ECRSDV | AT91C_PA10_ETX1 | AT91C_PA9_ETX0 | AT91C_PA8_ETXEN |
+ AT91C_PA7_ETXCK_EREFCK; /* PIO Disable Register */
+
+ *AT91C_PIOB_PDR = AT91C_PB25_EF100 |
+ AT91C_PB19_ERXCK | AT91C_PB18_ECOL | AT91C_PB17_ERXDV | AT91C_PB16_ERX3 |
+ AT91C_PB15_ERX2 | AT91C_PB14_ETXER | AT91C_PB13_ETX3 | AT91C_PB12_ETX2;
+
+ *AT91C_PIOB_BSR = AT91C_PB25_EF100 |
+ AT91C_PB19_ERXCK | AT91C_PB18_ECOL | AT91C_PB17_ERXDV | AT91C_PB16_ERX3 |
+ AT91C_PB15_ERX2 | AT91C_PB14_ETXER | AT91C_PB13_ETX3 | AT91C_PB12_ETX2; /* Select B Register */
+ *AT91C_PMC_PCER = 1 << AT91C_ID_EMAC; /* Peripheral Clock Enable Register */
+ p_mac->EMAC_CFG |= AT91C_EMAC_CSR; /* Clear statistics */
+
+ rbfdt=(rbf_t *)RBF_FRAMEBTD;
+ for(i = 0; i < RBF_FRAMEMAX; i++)
+ {
+ rbfdt[i].addr=RBF_FRAMEBUF+RBF_FRAMELEN*i;
+ rbfdt[i].size=0;
+ }
+ rbfdt[RBF_FRAMEMAX-1].addr|=RBF_WRAP;
+ rbfp=&rbfdt[0];
+
+ if (!(ret = MDIO_StartupPhy()))
+ {
+ printf("MAC: error during MII initialization\n");
+ return 0;
+ }
+
+ p_mac->EMAC_SA2L = (bd->bi_enetaddr[3] << 24) | (bd->bi_enetaddr[2] << 16)
+ | (bd->bi_enetaddr[1] << 8) | (bd->bi_enetaddr[0]);
+ p_mac->EMAC_SA2H = (bd->bi_enetaddr[5] << 8) | (bd->bi_enetaddr[4]);
+
+ p_mac->EMAC_RBQP = (long)(&rbfdt[0]);
+ p_mac->EMAC_RSR &= ~(AT91C_EMAC_RSR_OVR | AT91C_EMAC_REC | AT91C_EMAC_BNA);
+ p_mac->EMAC_CFG = (p_mac->EMAC_CFG | AT91C_EMAC_CAF | AT91C_EMAC_NBC | AT91C_EMAC_RMII) & ~AT91C_EMAC_CLK;
+ p_mac->EMAC_CTL |= AT91C_EMAC_TE | AT91C_EMAC_RE ;
+
+ return 0;
+ }
+
+int eth_send(volatile void *packet, int length)
+ {
+ while(!(p_mac->EMAC_TSR & AT91C_EMAC_BNQ))
+ ;
+ p_mac->EMAC_TAR = (long)packet;
+ p_mac->EMAC_TCR = length;
+ while(p_mac->EMAC_TCR & 0x7ff)
+ ;
+ p_mac->EMAC_TSR |= AT91C_EMAC_COMP;
+ return 0;
+ }
+
+int eth_rx(void)
+ {
+ int size;
+
+ if(!(rbfp->addr & RBF_OWNER))
+ return 0;
+
+ size=rbfp->size & RBF_SIZE;
+ NetReceive((volatile uchar *) (rbfp->addr & RBF_ADDR), size);
+
+ rbfp->addr &= ~RBF_OWNER;
+ if(rbfp->addr & RBF_WRAP)
+ rbfp = &rbfdt[0];
+ else
+ rbfp++;
+
+ p_mac->EMAC_RSR |= AT91C_EMAC_REC;
+
+ return size;
+ }
+
+void eth_halt( void )
+ {};
+#endif
+#endif
SMC_SELECT_BANK( 2 );
SMC_outw( MC_ALLOC | numPages, MMU_CMD_REG );
+ /* FIXME: the ALLOC_INT bit never gets set *
+ * so the following will always give a *
+ * memory allocation error. *
+ * same code works in armboot though *
+ * -ro
+ */
+
again:
try++;
time_out = MEMORY_WAIT_TIME;
include $(TOPDIR)/config.mk
SREC = hello_world.srec
+BIN = hello_world.bin
ifeq ($(CPU),mips)
SREC =
CPPFLAGS += -I..
-all: .depend $(LIB) $(SREC)
+all: .depend $(LIB) $(SREC) $(BIN)
#########################################################################
$(LIB): .depend $(LIBOBJS)
$(LD) -g -Ttext $(LOAD_ADDR) -o $(<:.o=) -e $(<:.o=) $< $(LIB)
$(OBJCOPY) -O srec $(<:.o=) $@
+%.bin: %.srec
+ $(OBJCOPY) -O binary $< $@
+
#########################################################################
.depend: Makefile $(OBJS:.o=.c) $(LIBCOBJS:.o=.c) $(LIBAOBJS:.o=.S)
--- /dev/null
+/* ---------------------------------------------------------------------------- */
+/* ATMEL Microcontroller Software Support - ROUSSET - */
+/* ---------------------------------------------------------------------------- */
+/* The software is delivered "AS IS" without warranty or condition of any */
+/* kind, either express, implied or statutory. This includes without */
+/* limitation any warranty or condition with respect to merchantability or */
+/* fitness for any particular purpose, or against the infringements of */
+/* intellectual property rights of others. */
+/* ---------------------------------------------------------------------------- */
+/* File Name : AT91RM9200.h */
+/* Object : AT91RM9200 definitions */
+/* Generated : AT91 SW Application Group 10/29/2002 (16:10:51) */
+#ifndef AT91RM9200_H
+#define AT91RM9200_H
+
+typedef volatile unsigned int AT91_REG;/* Hardware register definition */
+
+/* ***************************************************************************** */
+/* SOFTWARE API DEFINITION FOR Timer Counter Channel Interface */
+/* ***************************************************************************** */
+typedef struct _AT91S_TC {
+ AT91_REG TC_CCR; /* Channel Control Register */
+ AT91_REG TC_CMR; /* Channel Mode Register */
+ AT91_REG Reserved0[2]; /* */
+ AT91_REG TC_CV; /* Counter Value */
+ AT91_REG TC_RA; /* Register A */
+ AT91_REG TC_RB; /* Register B */
+ AT91_REG TC_RC; /* Register C */
+ AT91_REG TC_SR; /* Status Register */
+ AT91_REG TC_IER; /* Interrupt Enable Register */
+ AT91_REG TC_IDR; /* Interrupt Disable Register */
+ AT91_REG TC_IMR; /* Interrupt Mask Register */
+} AT91S_TC, *AT91PS_TC;
+
+/* ***************************************************************************** */
+/* SOFTWARE API DEFINITION FOR Usart */
+/* ***************************************************************************** */
+typedef struct _AT91S_USART {
+ AT91_REG US_CR; /* Control Register */
+ AT91_REG US_MR; /* Mode Register */
+ AT91_REG US_IER; /* Interrupt Enable Register */
+ AT91_REG US_IDR; /* Interrupt Disable Register */
+ AT91_REG US_IMR; /* Interrupt Mask Register */
+ AT91_REG US_CSR; /* Channel Status Register */
+ AT91_REG US_RHR; /* Receiver Holding Register */
+ AT91_REG US_THR; /* Transmitter Holding Register */
+ AT91_REG US_BRGR; /* Baud Rate Generator Register */
+ AT91_REG US_RTOR; /* Receiver Time-out Register */
+ AT91_REG US_TTGR; /* Transmitter Time-guard Register */
+ AT91_REG Reserved0[5]; /* */
+ AT91_REG US_FIDI; /* FI_DI_Ratio Register */
+ AT91_REG US_NER; /* Nb Errors Register */
+ AT91_REG US_XXR; /* XON_XOFF Register */
+ AT91_REG US_IF; /* IRDA_FILTER Register */
+ AT91_REG Reserved1[44]; /* */
+ AT91_REG US_RPR; /* Receive Pointer Register */
+ AT91_REG US_RCR; /* Receive Counter Register */
+ AT91_REG US_TPR; /* Transmit Pointer Register */
+ AT91_REG US_TCR; /* Transmit Counter Register */
+ AT91_REG US_RNPR; /* Receive Next Pointer Register */
+ AT91_REG US_RNCR; /* Receive Next Counter Register */
+ AT91_REG US_TNPR; /* Transmit Next Pointer Register */
+ AT91_REG US_TNCR; /* Transmit Next Counter Register */
+ AT91_REG US_PTCR; /* PDC Transfer Control Register */
+ AT91_REG US_PTSR; /* PDC Transfer Status Register */
+} AT91S_USART, *AT91PS_USART;
+
+/* ***************************************************************************** */
+/* SOFTWARE API DEFINITION FOR Parallel Input Output Controler */
+/* ***************************************************************************** */
+typedef struct _AT91S_PIO {
+ AT91_REG PIO_PER; /* PIO Enable Register */
+ AT91_REG PIO_PDR; /* PIO Disable Register */
+ AT91_REG PIO_PSR; /* PIO Status Register */
+ AT91_REG Reserved0[1]; /* */
+ AT91_REG PIO_OER; /* Output Enable Register */
+ AT91_REG PIO_ODR; /* Output Disable Registerr */
+ AT91_REG PIO_OSR; /* Output Status Register */
+ AT91_REG Reserved1[1]; /* */
+ AT91_REG PIO_IFER; /* Input Filter Enable Register */
+ AT91_REG PIO_IFDR; /* Input Filter Disable Register */
+ AT91_REG PIO_IFSR; /* Input Filter Status Register */
+ AT91_REG Reserved2[1]; /* */
+ AT91_REG PIO_SODR; /* Set Output Data Register */
+ AT91_REG PIO_CODR; /* Clear Output Data Register */
+ AT91_REG PIO_ODSR; /* Output Data Status Register */
+ AT91_REG PIO_PDSR; /* Pin Data Status Register */
+ AT91_REG PIO_IER; /* Interrupt Enable Register */
+ AT91_REG PIO_IDR; /* Interrupt Disable Register */
+ AT91_REG PIO_IMR; /* Interrupt Mask Register */
+ AT91_REG PIO_ISR; /* Interrupt Status Register */
+ AT91_REG PIO_MDER; /* Multi-driver Enable Register */
+ AT91_REG PIO_MDDR; /* Multi-driver Disable Register */
+ AT91_REG PIO_MDSR; /* Multi-driver Status Register */
+ AT91_REG Reserved3[1]; /* */
+ AT91_REG PIO_PPUDR; /* Pull-up Disable Register */
+ AT91_REG PIO_PPUER; /* Pull-up Enable Register */
+ AT91_REG PIO_PPUSR; /* Pad Pull-up Status Register */
+ AT91_REG Reserved4[1]; /* */
+ AT91_REG PIO_ASR; /* Select A Register */
+ AT91_REG PIO_BSR; /* Select B Register */
+ AT91_REG PIO_ABSR; /* AB Select Status Register */
+ AT91_REG Reserved5[9]; /* */
+ AT91_REG PIO_OWER; /* Output Write Enable Register */
+ AT91_REG PIO_OWDR; /* Output Write Disable Register */
+ AT91_REG PIO_OWSR; /* Output Write Status Register */
+} AT91S_PIO, *AT91PS_PIO;
+
+
+/* ***************************************************************************** */
+/* SOFTWARE API DEFINITION FOR Debug Unit */
+/* ***************************************************************************** */
+typedef struct _AT91S_DBGU {
+ AT91_REG DBGU_CR; /* Control Register */
+ AT91_REG DBGU_MR; /* Mode Register */
+ AT91_REG DBGU_IER; /* Interrupt Enable Register */
+ AT91_REG DBGU_IDR; /* Interrupt Disable Register */
+ AT91_REG DBGU_IMR; /* Interrupt Mask Register */
+ AT91_REG DBGU_CSR; /* Channel Status Register */
+ AT91_REG DBGU_RHR; /* Receiver Holding Register */
+ AT91_REG DBGU_THR; /* Transmitter Holding Register */
+ AT91_REG DBGU_BRGR; /* Baud Rate Generator Register */
+ AT91_REG Reserved0[7]; /* */
+ AT91_REG DBGU_C1R; /* Chip ID1 Register */
+ AT91_REG DBGU_C2R; /* Chip ID2 Register */
+ AT91_REG DBGU_FNTR; /* Force NTRST Register */
+ AT91_REG Reserved1[45]; /* */
+ AT91_REG DBGU_RPR; /* Receive Pointer Register */
+ AT91_REG DBGU_RCR; /* Receive Counter Register */
+ AT91_REG DBGU_TPR; /* Transmit Pointer Register */
+ AT91_REG DBGU_TCR; /* Transmit Counter Register */
+ AT91_REG DBGU_RNPR; /* Receive Next Pointer Register */
+ AT91_REG DBGU_RNCR; /* Receive Next Counter Register */
+ AT91_REG DBGU_TNPR; /* Transmit Next Pointer Register */
+ AT91_REG DBGU_TNCR; /* Transmit Next Counter Register */
+ AT91_REG DBGU_PTCR; /* PDC Transfer Control Register */
+ AT91_REG DBGU_PTSR; /* PDC Transfer Status Register */
+} AT91S_DBGU, *AT91PS_DBGU;
+
+
+/* ***************************************************************************** */
+/* SOFTWARE API DEFINITION FOR Static Memory Controller 2 Interface */
+/* ***************************************************************************** */
+typedef struct _AT91S_SMC2 {
+ AT91_REG SMC2_CSR[8]; /* SMC2 Chip Select Register */
+} AT91S_SMC2, *AT91PS_SMC2;
+
+/* ***************************************************************************** */
+/* SOFTWARE API DEFINITION FOR Ethernet MAC */
+/* ***************************************************************************** */
+typedef struct _AT91S_EMAC {
+ AT91_REG EMAC_CTL; /* Network Control Register */
+ AT91_REG EMAC_CFG; /* Network Configuration Register */
+ AT91_REG EMAC_SR; /* Network Status Register */
+ AT91_REG EMAC_TAR; /* Transmit Address Register */
+ AT91_REG EMAC_TCR; /* Transmit Control Register */
+ AT91_REG EMAC_TSR; /* Transmit Status Register */
+ AT91_REG EMAC_RBQP; /* Receive Buffer Queue Pointer */
+ AT91_REG Reserved0[1]; /* */
+ AT91_REG EMAC_RSR; /* Receive Status Register */
+ AT91_REG EMAC_ISR; /* Interrupt Status Register */
+ AT91_REG EMAC_IER; /* Interrupt Enable Register */
+ AT91_REG EMAC_IDR; /* Interrupt Disable Register */
+ AT91_REG EMAC_IMR; /* Interrupt Mask Register */
+ AT91_REG EMAC_MAN; /* PHY Maintenance Register */
+ AT91_REG Reserved1[2]; /* */
+ AT91_REG EMAC_FRA; /* Frames Transmitted OK Register */
+ AT91_REG EMAC_SCOL; /* Single Collision Frame Register */
+ AT91_REG EMAC_MCOL; /* Multiple Collision Frame Register */
+ AT91_REG EMAC_OK; /* Frames Received OK Register */
+ AT91_REG EMAC_SEQE; /* Frame Check Sequence Error Register */
+ AT91_REG EMAC_ALE; /* Alignment Error Register */
+ AT91_REG EMAC_DTE; /* Deferred Transmission Frame Register */
+ AT91_REG EMAC_LCOL; /* Late Collision Register */
+ AT91_REG EMAC_ECOL; /* Excessive Collision Register */
+ AT91_REG EMAC_CSE; /* Carrier Sense Error Register */
+ AT91_REG EMAC_TUE; /* Transmit Underrun Error Register */
+ AT91_REG EMAC_CDE; /* Code Error Register */
+ AT91_REG EMAC_ELR; /* Excessive Length Error Register */
+ AT91_REG EMAC_RJB; /* Receive Jabber Register */
+ AT91_REG EMAC_USF; /* Undersize Frame Register */
+ AT91_REG EMAC_SQEE; /* SQE Test Error Register */
+ AT91_REG EMAC_DRFC; /* Discarded RX Frame Register */
+ AT91_REG Reserved2[3]; /* */
+ AT91_REG EMAC_HSH; /* Hash Address High[63:32] */
+ AT91_REG EMAC_HSL; /* Hash Address Low[31:0] */
+ AT91_REG EMAC_SA1L; /* Specific Address 1 Low, First 4 bytes */
+ AT91_REG EMAC_SA1H; /* Specific Address 1 High, Last 2 bytes */
+ AT91_REG EMAC_SA2L; /* Specific Address 2 Low, First 4 bytes */
+ AT91_REG EMAC_SA2H; /* Specific Address 2 High, Last 2 bytes */
+ AT91_REG EMAC_SA3L; /* Specific Address 3 Low, First 4 bytes */
+ AT91_REG EMAC_SA3H; /* Specific Address 3 High, Last 2 bytes */
+ AT91_REG EMAC_SA4L; /* Specific Address 4 Low, First 4 bytes */
+ AT91_REG EMAC_SA4H; /* Specific Address 4 High, Last 2 bytesr */
+} AT91S_EMAC, *AT91PS_EMAC;
+
+/* -------- DBGU_IER : (DBGU Offset: 0x8) Debug Unit Interrupt Enable Register -------- */
+#define AT91C_US_RXRDY ((unsigned int) 0x1 << 0) /* (DBGU) RXRDY Interrupt */
+#define AT91C_US_TXRDY ((unsigned int) 0x1 << 1) /* (DBGU) TXRDY Interrupt */
+#define AT91C_US_ENDRX ((unsigned int) 0x1 << 3) /* (DBGU) End of Receive Transfer Interrupt */
+#define AT91C_US_ENDTX ((unsigned int) 0x1 << 4) /* (DBGU) End of Transmit Interrupt */
+#define AT91C_US_OVRE ((unsigned int) 0x1 << 5) /* (DBGU) Overrun Interrupt */
+#define AT91C_US_FRAME ((unsigned int) 0x1 << 6) /* (DBGU) Framing Error Interrupt */
+#define AT91C_US_PARE ((unsigned int) 0x1 << 7) /* (DBGU) Parity Error Interrupt */
+#define AT91C_US_TXEMPTY ((unsigned int) 0x1 << 9) /* (DBGU) TXEMPTY Interrupt */
+#define AT91C_US_TXBUFE ((unsigned int) 0x1 << 11) /* (DBGU) TXBUFE Interrupt */
+#define AT91C_US_RXBUFF ((unsigned int) 0x1 << 12) /* (DBGU) RXBUFF Interrupt */
+#define AT91C_US_COMM_TX ((unsigned int) 0x1 << 30) /* (DBGU) COMM_TX Interrupt */
+#define AT91C_US_COMM_RX ((unsigned int) 0x1 << 31) /* (DBGU) COMM_RX Interrupt */
+
+/* -------- DBGU_CR : (DBGU Offset: 0x0) Debug Unit Control Register -------- */
+#define AT91C_US_RSTRX ((unsigned int) 0x1 << 2) /* (DBGU) Reset Receiver */
+#define AT91C_US_RSTTX ((unsigned int) 0x1 << 3) /* (DBGU) Reset Transmitter */
+#define AT91C_US_RXEN ((unsigned int) 0x1 << 4) /* (DBGU) Receiver Enable */
+#define AT91C_US_RXDIS ((unsigned int) 0x1 << 5) /* (DBGU) Receiver Disable */
+#define AT91C_US_TXEN ((unsigned int) 0x1 << 6) /* (DBGU) Transmitter Enable */
+#define AT91C_US_TXDIS ((unsigned int) 0x1 << 7) /* (DBGU) Transmitter Disable */
+
+#define AT91C_US_CLKS_CLOCK ((unsigned int) 0x0 << 4) /* (USART) Clock */
+#define AT91C_US_CHRL_8_BITS ((unsigned int) 0x3 << 6) /* (USART) Character Length: 8 bits */
+#define AT91C_US_PAR_NONE ((unsigned int) 0x4 << 9) /* (DBGU) No Parity */
+#define AT91C_US_NBSTOP_1_BIT ((unsigned int) 0x0 << 12) /* (USART) 1 stop bit */
+
+#define AT91C_PMC_PCER ((AT91_REG *) 0xFFFFFC10) /* (PMC) Peripheral Clock Enable Register */
+#define AT91C_PIOA_PDR ((AT91_REG *) 0xFFFFF404) /* (PIOA) PIO Disable Register */
+#define AT91C_PIO_PA30 ((unsigned int) 1 << 30) /* Pin Controlled by PA30 */
+#define AT91C_PIO_PC0 ((unsigned int) 1 << 0) /* Pin Controlled by PC0 */
+#define AT91C_PC0_BFCK ((unsigned int) AT91C_PIO_PC0) /* Burst Flash Clock */
+#define AT91C_PA30_DRXD ((unsigned int) AT91C_PIO_PA30) /* DBGU Debug Receive Data */
+#define AT91C_PIO_PA31 ((unsigned int) 1 << 31) /* Pin Controlled by PA31 */
+#define AT91C_PA31_DTXD ((unsigned int) AT91C_PIO_PA31) /* DBGU Debug Transmit Data */
+
+#define AT91C_ID_SYS ((unsigned int) 1) /* System Peripheral */
+#define AT91C_ID_TC0 ((unsigned int) 17) /* Timer Counter 0 */
+#define AT91C_ID_EMAC ((unsigned int) 24) /* Ethernet MAC */
+
+#define AT91C_PIO_PC1 ((unsigned int) 1 << 1) /* Pin Controlled by PC1 */
+#define AT91C_PC1_BFRDY_SMOE ((unsigned int) AT91C_PIO_PC1) /* Burst Flash Ready */
+#define AT91C_PIO_PC3 ((unsigned int) 1 << 3) /* Pin Controlled by PC3 */
+#define AT91C_PC3_BFBAA_SMWE ((unsigned int) AT91C_PIO_PC3) /* Burst Flash Address Advance / SmartMedia Write Enable */
+#define AT91C_PIO_PC2 ((unsigned int) 1 << 2) /* Pin Controlled by PC2 */
+#define AT91C_PC2_BFAVD ((unsigned int) AT91C_PIO_PC2) /* Burst Flash Address Valid */
+#define AT91C_PIO_PB1 ((unsigned int) 1 << 1) /* Pin Controlled by PB1 */
+
+#define AT91C_TC_TIMER_DIV1_CLOCK ((unsigned int) 0x0 << 0) /* (TC) MCK/2 */
+#define AT91C_TC_TIMER_DIV2_CLOCK ((unsigned int) 0x1 << 0) /* (TC) MCK/8 */
+#define AT91C_TC_TIMER_DIV3_CLOCK ((unsigned int) 0x2 << 0) /* (TC) MCK/32 */
+#define AT91C_TC_TIMER_DIV4_CLOCK ((unsigned int) 0x3 << 0) /* (TC) MCK/128 */
+#define AT91C_TC_SLOW_CLOCK ((unsigned int) 0x4 << 0) /* (TC) SLOW CLK */
+#define AT91C_TC_XC0_CLOCK ((unsigned int) 0x5 << 0) /* (TC) XC0 */
+#define AT91C_TC_XC1_CLOCK ((unsigned int) 0x6 << 0) /* (TC) XC1 */
+#define AT91C_TC_XC2_CLOCK ((unsigned int) 0x7 << 0) /* (TC) XC2 */
+#define AT91C_TCB_TC0XC0S_NONE ((unsigned int) 0x1) /* (TCB) None signal connected to XC0 */
+#define AT91C_TCB_TC1XC1S_NONE ((unsigned int) 0x1 << 2) /* (TCB) None signal connected to XC1 */
+#define AT91C_TCB_TC2XC2S_NONE ((unsigned int) 0x1 << 4) /* (TCB) None signal connected to XC2 */
+#define AT91C_TC_CLKDIS ((unsigned int) 0x1 << 1) /* (TC) Counter Clock Disable Command */
+#define AT91C_TC_SWTRG ((unsigned int) 0x1 << 2) /* (TC) Software Trigger Command */
+#define AT91C_TC_CLKEN ((unsigned int) 0x1 << 0) /* (TC) Counter Clock Enable Command */
+
+#define AT91C_EMAC_BNQ ((unsigned int) 0x1 << 4) /* (EMAC) */
+#define AT91C_EMAC_COMP ((unsigned int) 0x1 << 5) /* (EMAC) */
+#define AT91C_EMAC_REC ((unsigned int) 0x1 << 1) /* (EMAC) */
+#define AT91C_EMAC_RE ((unsigned int) 0x1 << 2) /* (EMAC) Receive enable. */
+#define AT91C_EMAC_TE ((unsigned int) 0x1 << 3) /* (EMAC) Transmit enable. */
+#define AT91C_EMAC_CLK ((unsigned int) 0x3 << 10) /* (EMAC) */
+#define AT91C_EMAC_RMII ((unsigned int) 0x1 << 13) /* (EMAC) */
+#define AT91C_EMAC_NBC ((unsigned int) 0x1 << 5) /* (EMAC) No broadcast. */
+#define AT91C_EMAC_CAF ((unsigned int) 0x1 << 4) /* (EMAC) Copy all frames. */
+#define AT91C_EMAC_BNA ((unsigned int) 0x1 << 0) /* (EMAC) */
+#define AT91C_EMAC_REC ((unsigned int) 0x1 << 1) /* (EMAC) */
+#define AT91C_EMAC_RSR_OVR ((unsigned int) 0x1 << 2) /* (EMAC) */
+#define AT91C_EMAC_CSR ((unsigned int) 0x1 << 5) /* (EMAC) Clear statistics registers. */
+#define AT91C_EMAC_SPD ((unsigned int) 0x1 << 0) /* (EMAC) Speed. */
+#define AT91C_EMAC_FD ((unsigned int) 0x1 << 1) /* (EMAC) Full duplex. */
+#define AT91C_EMAC_LINK ((unsigned int) 0x1 << 0) /* (EMAC) */
+#define AT91C_EMAC_MPE ((unsigned int) 0x1 << 4) /* (EMAC) Management port enable. */
+#define AT91C_PIO_PA16 ((unsigned int) 1 << 16) /* Pin Controlled by PA16 */
+#define AT91C_PA16_EMDIO ((unsigned int) AT91C_PIO_PA16) /* Ethernet MAC Management Data Input/Output */
+#define AT91C_PIO_PA15 ((unsigned int) 1 << 15) /* Pin Controlled by PA15 */
+#define AT91C_PA15_EMDC ((unsigned int) AT91C_PIO_PA15) /* Ethernet MAC Management Data Clock */
+#define AT91C_PIO_PA14 ((unsigned int) 1 << 14) /* Pin Controlled by PA14 */
+#define AT91C_PA14_ERXER ((unsigned int) AT91C_PIO_PA14) /* Ethernet MAC Receive Error */
+#define AT91C_PIO_PA13 ((unsigned int) 1 << 13) /* Pin Controlled by PA13 */
+#define AT91C_PA13_ERX1 ((unsigned int) AT91C_PIO_PA13) /* Ethernet MAC Receive Data 1 */
+#define AT91C_PIO_PA12 ((unsigned int) 1 << 12) /* Pin Controlled by PA12 */
+#define AT91C_PA12_ERX0 ((unsigned int) AT91C_PIO_PA12) /* Ethernet MAC Receive Data 0 */
+#define AT91C_PIO_PA11 ((unsigned int) 1 << 11) /* Pin Controlled by PA11 */
+#define AT91C_PA11_ECRS_ECRSDV ((unsigned int) AT91C_PIO_PA11) /* Ethernet MAC Carrier Sense/Carrier Sense and Data Valid */
+#define AT91C_PIO_PA10 ((unsigned int) 1 << 10) /* Pin Controlled by PA10 */
+#define AT91C_PA10_ETX1 ((unsigned int) AT91C_PIO_PA10) /* Ethernet MAC Transmit Data 1 */
+#define AT91C_PIO_PA9 ((unsigned int) 1 << 9) /* Pin Controlled by PA9 */
+#define AT91C_PA9_ETX0 ((unsigned int) AT91C_PIO_PA9) /* Ethernet MAC Transmit Data 0 */
+#define AT91C_PIO_PA8 ((unsigned int) 1 << 8) /* Pin Controlled by PA8 */
+#define AT91C_PA8_ETXEN ((unsigned int) AT91C_PIO_PA8) /* Ethernet MAC Transmit Enable */
+#define AT91C_PIO_PA7 ((unsigned int) 1 << 7) /* Pin Controlled by PA7 */
+#define AT91C_PA7_ETXCK_EREFCK ((unsigned int) AT91C_PIO_PA7) /* Ethernet MAC Transmit Clock/Reference Clock */
+#define AT91C_PIO_PB25 ((unsigned int) 1 << 25) /* Pin Controlled by PB25 */
+#define AT91C_PB25_DSR1 ((unsigned int) AT91C_PIO_PB25) /* USART 1 Data Set ready */
+#define AT91C_PB25_EF100 ((unsigned int) AT91C_PIO_PB25) /* Ethernet MAC Force 100 Mbits */
+#define AT91C_PIO_PB19 ((unsigned int) 1 << 19) /* Pin Controlled by PB19 */
+#define AT91C_PB19_DTR1 ((unsigned int) AT91C_PIO_PB19) /* USART 1 Data Terminal ready */
+#define AT91C_PB19_ERXCK ((unsigned int) AT91C_PIO_PB19) /* Ethernet MAC Receive Clock */
+#define AT91C_PIO_PB18 ((unsigned int) 1 << 18) /* Pin Controlled by PB18 */
+#define AT91C_PB18_RI1 ((unsigned int) AT91C_PIO_PB18) /* USART 1 Ring Indicator */
+#define AT91C_PB18_ECOL ((unsigned int) AT91C_PIO_PB18) /* Ethernet MAC Collision Detected */
+#define AT91C_PIO_PB17 ((unsigned int) 1 << 17) /* Pin Controlled by PB17 */
+#define AT91C_PB17_RF2 ((unsigned int) AT91C_PIO_PB17) /* SSC Receive Frame Sync 2 */
+#define AT91C_PB17_ERXDV ((unsigned int) AT91C_PIO_PB17) /* Ethernet MAC Receive Data Valid */
+#define AT91C_PIO_PB16 ((unsigned int) 1 << 16) /* Pin Controlled by PB16 */
+#define AT91C_PB16_RK2 ((unsigned int) AT91C_PIO_PB16) /* SSC Receive Clock 2 */
+#define AT91C_PB16_ERX3 ((unsigned int) AT91C_PIO_PB16) /* Ethernet MAC Receive Data 3 */
+#define AT91C_PIO_PB15 ((unsigned int) 1 << 15) /* Pin Controlled by PB15 */
+#define AT91C_PB15_RD2 ((unsigned int) AT91C_PIO_PB15) /* SSC Receive Data 2 */
+#define AT91C_PB15_ERX2 ((unsigned int) AT91C_PIO_PB15) /* Ethernet MAC Receive Data 2 */
+#define AT91C_PIO_PB14 ((unsigned int) 1 << 14) /* Pin Controlled by PB14 */
+#define AT91C_PB14_TD2 ((unsigned int) AT91C_PIO_PB14) /* SSC Transmit Data 2 */
+#define AT91C_PB14_ETXER ((unsigned int) AT91C_PIO_PB14) /* Ethernet MAC Transmikt Coding Error */
+#define AT91C_PIO_PB13 ((unsigned int) 1 << 13) /* Pin Controlled by PB13 */
+#define AT91C_PB13_TK2 ((unsigned int) AT91C_PIO_PB13) /* SSC Transmit Clock 2 */
+#define AT91C_PB13_ETX3 ((unsigned int) AT91C_PIO_PB13) /* Ethernet MAC Transmit Data 3 */
+#define AT91C_PIO_PB12 ((unsigned int) 1 << 12) /* Pin Controlled by PB12 */
+#define AT91C_PB12_TF2 ((unsigned int) AT91C_PIO_PB12) /* SSC Transmit Frame Sync 2 */
+#define AT91C_PB12_ETX2 ((unsigned int) AT91C_PIO_PB12) /* Ethernet MAC Transmit Data 2 */
+
+#define AT91C_PIOB_BSR ((AT91_REG *) 0xFFFFF674) /* (PIOB) Select B Register */
+#define AT91C_BASE_EMAC ((AT91PS_EMAC) 0xFFFBC000) /* (EMAC) Base Address */
+#define AT91C_PIOB_PDR ((AT91_REG *) 0xFFFFF604) /* (PIOB) PIO Disable Register */
+
+#define AT91C_EBI_CS3A_SMC_SmartMedia ((unsigned int) 0x1 << 3) /* (EBI) Chip Select 3 is assigned to the Static Memory Controller and the SmartMedia Logic is activated. */
+#define AT91C_SMC2_ACSS_STANDARD ((unsigned int) 0x0 << 16) /* (SMC2) Standard, asserted at the beginning of the access and deasserted at the end. */
+#define AT91C_SMC2_DBW_8 ((unsigned int) 0x2 << 13) /* (SMC2) 8-bit. */
+#define AT91C_SMC2_WSEN ((unsigned int) 0x1 << 7) /* (SMC2) Wait State Enable */
+#define AT91C_PIOC_ASR ((AT91_REG *) 0xFFFFF870) /* (PIOC) Select A Register */
+
+#define AT91C_BASE_TC0 ((AT91PS_TC) 0xFFFA0000) /* (TC0) Base Address */
+#define AT91C_BASE_DBGU ((AT91PS_DBGU) 0xFFFFF200) /* (DBGU) Base Address */
+#define AT91C_BASE_PIOA ((AT91PS_PIO) 0xFFFFF400) /* (PIOA) Base Address */
+#define AT91C_EBI_CSA ((AT91_REG *) 0xFFFFFF60) /* (EBI) Chip Select Assignment Register */
+#define AT91C_BASE_SMC2 ((AT91PS_SMC2) 0xFFFFFF70) /* (SMC2) Base Address */
+#define AT91C_BASE_US1 ((AT91PS_USART) 0xFFFC4000) /* (US1) Base Address */
+#define AT91C_TCB0_BMR ((AT91_REG *) 0xFFFA00C4) /* (TCB0) TC Block Mode Register */
+#define AT91C_TCB0_BCR ((AT91_REG *) 0xFFFA00C0) /* (TCB0) TC Block Control Register */
+#define AT91C_PIOC_PDR ((AT91_REG *) 0xFFFFF804) /* (PIOC) PIO Disable Register */
+#define AT91C_PIOC_PER ((AT91_REG *) 0xFFFFF800) /* (PIOC) PIO Enable Register */
+#define AT91C_PIOC_ODR ((AT91_REG *) 0xFFFFF814) /* (PIOC) Output Disable Registerr */
+#define AT91C_PIOB_PER ((AT91_REG *) 0xFFFFF600) /* (PIOB) PIO Enable Register */
+#define AT91C_PIOB_ODR ((AT91_REG *) 0xFFFFF614) /* (PIOB) Output Disable Registerr */
+#define AT91C_PIOB_PDSR ((AT91_REG *) 0xFFFFF63C) /* (PIOB) Pin Data Status Register */
+#endif
#if defined(CONFIG_HYMOD)
hymod_conf_t bi_hymod_conf; /* hymod configuration information */
#endif
-#if defined(CONFIG_EVB64260) || defined(CONFIG_PN62)
+#if defined(CONFIG_EVB64260) || defined(CONFIG_PN62) || defined(CONFIG_SVM_SC8xx)
/* second onboard ethernet port */
unsigned char bi_enet1addr[6];
#endif
-#if defined(CONFIG_EVB64260)
+#if defined(CONFIG_EVB64260) || defined(CONFIG_SVM_SC8xx)
/* third onboard ethernet port */
unsigned char bi_enet2addr[6];
#endif
#define CFG_CMD_SPI 0x0000100000000000 /* SPI utility */
#define CFG_CMD_FDOS 0x0000200000000000 /* Floppy DOS support */
#define CFG_CMD_VFD 0x0000400000000000 /* VFD support (TRAB) */
+#define CFG_CMD_NAND 0x0000800000000000 /* NAND support */
#define CFG_CMD_ALL 0xFFFFFFFFFFFFFFFF /* ALL commands */
CFG_CMD_JFFS2 | \
CFG_CMD_KGDB | \
CFG_CMD_MII | \
+ CFG_CMD_NAND | \
CFG_CMD_PCI | \
CFG_CMD_PCMCIA | \
CFG_CMD_REGINFO | \
--- /dev/null
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * NAND support
+ */
+#ifndef _CMD_NAND_H
+#define _CMD_NAND_H
+
+#include <common.h>
+#include <command.h>
+
+
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+#define CMD_TBL_NAND MK_CMD_TBL_ENTRY( \
+ "nand", 3, 5, 1, do_nand, \
+ "nand - NAND sub-system\n", \
+ "info - show available NAND devices\n" \
+ "nand device [dev] - show or set current device\n" \
+ "nand read addr off size\n" \
+ "nand write addr off size - read/write `size'" \
+ " bytes starting at offset `off'\n" \
+ " to/from memory address `addr'\n" \
+ "nand erase off size - erase `size' bytes of NAND from offset `off'\n" \
+),
+
+#define CMD_TBL_NANDBOOT MK_CMD_TBL_ENTRY( \
+ "nboot", 4, 4, 1, do_nandboot, \
+ "nboot - boot from NAND device\n", \
+ "loadAddr dev\n" \
+),
+
+int do_nand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
+#else
+#define CMD_TBL_NAND
+#define CMD_TBL_NANDBOOT
+#endif
+
+#endif /* _CMD_NAND_H */
/*** NETVIA *******************************************************/
+/* SinoVee Microsystems SC8xx series FEL8xx-AT,SC823,SC850,SC855T,SC860T */
+#if ( defined CONFIG_SVM_SC8xx )
+# ifndef CONFIG_FEC_ENET
+
+#define PROFF_ENET PROFF_SCC2
+#define CPM_CR_ENET CPM_CR_CH_SCC2
+#define SCC_ENET 1
+
+ /* Bits in parallel I/O port registers that have to be set/cleared
+ * * * * to configure the pins for SCC2 use.
+ * * * */
+#define PA_ENET_RXD ((ushort)0x0004) /* PA 13 */
+#define PA_ENET_TXD ((ushort)0x0008) /* PA 12 */
+#define PA_ENET_RCLK ((ushort)0x0400) /* PA 5 */
+#define PA_ENET_TCLK ((ushort)0x0800) /* PA 4 */
+
+#define PB_ENET_TENA ((uint)0x00002000) /* PB 18 */
+
+#define PC_ENET_CLSN ((ushort)0x0040) /* PC 9 */
+#define PC_ENET_RENA ((ushort)0x0080) /* PC 8 */
+/* Control bits in the SICR to route TCLK (CLK3) and RCLK (CLK1) to
+ * * * * SCC2. Also, make sure GR2 (bit 16) and SC2 (bit 17) are zero.
+ * * * */
+#define SICR_ENET_MASK ((uint)0x0000ff00)
+#define SICR_ENET_CLKRT ((uint)0x00003700)
+
+# else /* Use FEC for Fast Ethernet */
+
+#undef SCC_ENET
+#define FEC_ENET
+
+#define PD_MII_TXD1 ((ushort)0x1000) /* PD 3 */
+#define PD_MII_TXD2 ((ushort)0x0800) /* PD 4 */
+#define PD_MII_TXD3 ((ushort)0x0400) /* PD 5 */
+#define PD_MII_RX_DV ((ushort)0x0200) /* PD 6 */
+#define PD_MII_RX_ERR ((ushort)0x0100) /* PD 7 */
+#define PD_MII_RX_CLK ((ushort)0x0080) /* PD 8 */
+#define PD_MII_TXD0 ((ushort)0x0040) /* PD 9 */
+#define PD_MII_RXD0 ((ushort)0x0020) /* PD 10 */
+#define PD_MII_TX_ERR ((ushort)0x0010) /* PD 11 */
+#define PD_MII_MDC ((ushort)0x0008) /* PD 12 */
+#define PD_MII_RXD1 ((ushort)0x0004) /* PD 13 */
+#define PD_MII_RXD2 ((ushort)0x0002) /* PD 14 */
+#define PD_MII_RXD3 ((ushort)0x0001) /* PD 15 */
+
+#define PD_MII_MASK ((ushort)0x1FFF) /* PD 3...15 */
+
+# endif /* CONFIG_FEC_ENET */
+#endif /* CONFIG_SVM_SC8xx */
+
+
#if defined(CONFIG_NETVIA)
/* Bits in parallel I/O port registers that have to be set/cleared
* to configure the pins for SCC2 use.
--- /dev/null
+/*
+ * Rick Bronson <rick@efn.org>
+ *
+ * Configuation settings for the AT91RM9200DK board.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* ARM asynchronous clock */
+#define AT91C_MAIN_CLOCK 179712000 /* from 18.432 MHz crystal (18432000 / 4 * 39) */
+#define AT91C_MASTER_CLOCK 59904000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */
+
+#define CONFIG_AT91RM9200DK 1 /* on an AT91RM9200DK Board */
+#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
+#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG 1
+/*
+ * Size of malloc() pool
+ */
+#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
+#define CONFIG_BAUDRATE 115200
+/*
+ * Hardware drivers
+ */
+
+/*
+ * select serial console configuration
+ */
+#define CONFIG_SERIAL3 1 /* we use SERIAL 3 */
+
+#undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */
+
+#undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */
+
+#define CONFIG_COMMANDS \
+ (CONFIG_CMD_DFL | \
+ CFG_CMD_DHCP | \
+ CFG_CMD_NAND )
+/* CFG_CMD_EEPROM | \ might consider these
+ CFG_CMD_I2C | \
+ CFG_CMD_USB | \
+ CFG_CMD_MII | \
+ CFG_CMD_SDRAM | \ */
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
+#define SECTORSIZE 512
+
+#define ADDR_COLUMN 1
+#define ADDR_PAGE 2
+#define ADDR_COLUMN_PAGE 3
+
+#define NAND_ChipID_UNKNOWN 0x00
+#define NAND_MAX_FLOORS 1
+#define NAND_MAX_CHIPS 1
+
+#define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */
+#define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */
+
+#define NAND_DISABLE_CE(nand) do { *AT91C_PIOC_SODR = AT91C_PIO_PC0;} while(0)
+#define NAND_ENABLE_CE(nand) do { *AT91C_PIOC_CODR = AT91C_PIO_PC0;} while(0)
+
+#define NAND_WAIT_READY(nand) while (!(*AT91C_PIOC_PDSR & AT91C_PIO_PC2))
+
+#define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_CLE) = (__u8)(d); } while(0)
+#define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_ALE) = (__u8)(d); } while(0)
+#define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0)
+#define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr))
+/* the following are NOP's in our implementation */
+#define NAND_CTL_CLRALE(nandptr)
+#define NAND_CTL_SETALE(nandptr)
+#define NAND_CTL_CLRCLE(nandptr)
+#define NAND_CTL_SETCLE(nandptr)
+
+#define CONFIG_NR_DRAM_BANKS 1
+#define PHYS_SDRAM 0x20000000
+#define PHYS_SDRAM_SIZE 0x2000000 /* 32 megs */
+
+#define CFG_MEMTEST_START PHYS_SDRAM
+#define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144
+
+#define CONFIG_DRIVER_ETHER
+
+#define PHYS_FLASH_1 0x10000000
+#define PHYS_FLASH_SIZE 0x200000 /* 2 megs main flash */
+#define CFG_FLASH_BASE PHYS_FLASH_1
+#define CFG_MAX_FLASH_BANKS 1
+#define CFG_MAX_FLASH_SECT 40
+#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
+#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0xe000)
+#define CFG_ENV_SIZE 0x2000
+#define CFG_LOAD_ADDR 0x21000000 /* default load address */
+
+#define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
+
+#define CFG_PROMPT "Uboot> " /* Monitor Command Prompt */
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+
+#ifndef __ASSEMBLY__
+/*-----------------------------------------------------------------------
+ * Board specific extension for bd_info
+ *
+ * This structure is embedded in the global bd_info (bd_t) structure
+ * and can be used by the board specific code (eg board/...)
+ */
+
+struct bd_info_ext
+{
+ /* helper variable for board environment handling
+ *
+ * env_crc_valid == 0 => uninitialised
+ * env_crc_valid > 0 => environment crc in flash is valid
+ * env_crc_valid < 0 => environment crc in flash is invalid
+ */
+ int env_crc_valid;
+};
+#endif
+
+#define CFG_HZ AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to
+ AT91C_TC_TIMER_DIV1_CLOCK */
+
+#define CONFIG_STACKSIZE (32*1024) /* regular stack */
+
+#ifdef CONFIG_USE_IRQ
+#error CONFIG_USE_IRQ not supported
+#endif
+
+#endif
#define CONFIG_NETMASK 255.255.0.0
#define CONFIG_IPADDR 172.22.2.23
#define CONFIG_SERVERIP 172.22.2.22
-#define CONFIG_BOOTFILE "elinos-dnp1110"
+#define CONFIG_BOOTFILE "dnp1110"
#define CONFIG_BOOTCOMMAND "tftp; bootm"
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
#define PHYS_FLASH_SIZE 0x01000000 /* 16 MB */
+#define PHYS_FLASH_BANK_SIZE 0x01000000 /* 32 MB Banks */
+#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */
#define CFG_FLASH_BASE PHYS_FLASH_1
/*-----------------------------------------------------------------------
* FLASH and environment organization
*/
-#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
-#define CFG_MAX_FLASH_SECT (31+8) /* max number of sectors on one chip */
+#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
/* timeout values are in ticks */
#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
#define CFG_ENV_IS_IN_FLASH 1
-#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000) /* Addr of Environment Sector */
-#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
+#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0xF80000) /* Addr of Environment Sector */
+#define CFG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */
#endif /* __CONFIG_H */
--- /dev/null
+/*
+ * (C) Copyright 2000, 2001, 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * board/config.h - configuration options, board specific,
+ * for SinoVee Microsystems SC8xx series SBC
+ * http://www.fel.com.cn (Chinese)
+ * http://www.sinovee.com (English)
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* Custom configuration */
+/* SC823,SC850,SC860SAR, FEL8xx-AT(823/850/860) */
+/* SC85T,SC860T, FEL8xx-AT(855T/860T) */
+/*#define CONFIG_FEL8xx_AT */
+/*#define CONFIG_LCD */
+/* if core > 50MHz , un-comment CONFIG_BUS_DIV2 */
+/* #define CONFIG_50MHz */
+/* #define CONFIG_66MHz */
+/* #define CONFIG_75MHz */
+#define CONFIG_80MHz
+/*#define CONFIG_100MHz */
+/* #define CONFIG_BUS_DIV2 1 */
+/* for BOOT device port size */
+/* #define CONFIG_BOOT_8B */
+#define CONFIG_BOOT_16B
+/* #define CONFIG_BOOT_32B */
+/* #define CONFIG_CAN_DRIVER */
+/* #define DEBUG */
+#define CONFIG_FEC_ENET
+
+/* #define CONFIG_SDRAM_16M */
+#define CONFIG_SDRAM_32M
+/* #define CONFIG_SDRAM_64M */
+#define CFG_RESET_ADDRESS 0xffffffff
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+/* #define CONFIG_MPC823 1 */
+/* #define CONFIG_MPC850 1 */
+#define CONFIG_MPC855 1
+/* #define CONFIG_MPC860 1 */
+/* #define CONFIG_MPC860T 1 */
+
+#undef CONFIG_WATCHDOG /* watchdog */
+
+#define CONFIG_SVM_SC8xx 1 /* ...on SVM SC8xx series */
+
+#ifdef CONFIG_LCD /* with LCD controller ? */
+/* #define CONFIG_NEC_NL6648BC20 1 / * use NEC NL6648BC20 display */
+#endif
+
+#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
+#undef CONFIG_8xx_CONS_SMC2
+#undef CONFIG_8xx_CONS_NONE
+#define CONFIG_BAUDRATE 19200 /* console baudrate = 115kbps */
+#if 0
+#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
+#else
+#define CONFIG_BOOTDELAY 1 /* autoboot after 5 seconds */
+#endif
+
+#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
+
+#define CONFIG_BOARD_TYPES 1 /* support board types */
+
+#define CONFIG_PREBOOT "echo;echo Welcome to U-Boot SVM port;echo;echo Type \"? or help\" to get on-line help;echo"
+
+#undef CONFIG_BOOTARGS
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "nfsargs=setenv bootargs root=/dev/nfs rw " \
+ "nfsroot=$(serverip):$(rootpath)\0" \
+ "ramargs=setenv bootargs root=/dev/ram rw\0" \
+ "addip=setenv bootargs $(bootargs) " \
+ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
+ ":$(hostname):$(netdev):off panic=1\0" \
+ "flash_nfs=run nfsargs addip;" \
+ "bootm $(kernel_addr)\0" \
+ "flash_self=run ramargs addip;" \
+ "bootm $(kernel_addr) $(ramdisk_addr)\0" \
+ "net_nfs=tftp 0x210000 $(bootfile);run nfsargs addip;bootm\0" \
+ "rootpath=/opt/sinovee/ppc8xx-linux-2.0/target\0" \
+ "bootfile=pImage-sc855t\0" \
+ "kernel_addr=48000000\0" \
+ "ramdisk_addr=48100000\0" \
+ ""
+#define CONFIG_BOOTCOMMAND \
+ "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
+ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
+ "tftpboot 0x210000 pImage-sc855t;bootm 0x210000"
+
+#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
+#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
+
+
+#ifdef CONFIG_LCD
+# undef CONFIG_STATUS_LED /* disturbs display */
+#else
+# define CONFIG_STATUS_LED 1 /* Status LED enabled */
+#endif /* CONFIG_LCD */
+
+#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
+
+#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
+
+#define CONFIG_MAC_PARTITION
+#define CONFIG_DOS_PARTITION
+
+#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
+
+#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
+ CFG_CMD_ASKENV | \
+ CFG_CMD_DHCP | \
+ CFG_CMD_DOC | \
+/* CFG_CMD_IDE |*/ \
+ CFG_CMD_DATE )
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "=> " /* Monitor Command Prompt */
+
+#ifdef CFG_HUSH_PARSER
+#define CFG_PROMPT_HUSH_PS2 "> "
+#endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
+#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
+
+#define CFG_LOAD_ADDR 0x100000 /* default load address */
+
+#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
+
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+/*-----------------------------------------------------------------------
+ * Internal Memory Mapped Register
+ */
+#define CFG_IMMR 0xFF000000
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR CFG_IMMR
+#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
+#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
+
+/*-----------------------------------------------------------------------
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ */
+#define CFG_SDRAM_BASE 0x00000000
+#define CFG_FLASH_BASE 0x40000000
+#define CFG_MONITOR_LEN (384 << 10) /* Reserve 192 kB for Monitor */
+#define CFG_MONITOR_BASE CFG_FLASH_BASE
+#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
+
+/*-----------------------------------------------------------------------
+ * FLASH organization
+ */
+#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT 67 /* max number of sectors on one chip */
+
+#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
+#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
+
+#define CFG_ENV_IS_IN_FLASH 1
+
+#ifdef CONFIG_BOOT_8B
+#define CFG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */
+#define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
+#elif defined (CONFIG_BOOT_16B)
+#define CFG_ENV_OFFSET 0x10000 /* Offset of Environment Sector */
+#define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
+#elif defined (CONFIG_BOOT_32B)
+#define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */
+#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
+#endif
+
+/* Address and size of Redundant Environment Sector */
+#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE)
+#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
+
+
+/*-----------------------------------------------------------------------
+ * Hardware Information Block
+ */
+#define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
+#define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
+#define CFG_HWINFO_MAGIC 0x46454C38 /* 'SVM8' */
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
+#endif
+
+/*-----------------------------------------------------------------------
+ * SYPCR - System Protection Control 11-9
+ * SYPCR can only be written once after reset!
+ *-----------------------------------------------------------------------
+ * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
+ */
+#if defined(CONFIG_WATCHDOG)
+/*#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
+ SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
+*/
+#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_SWF | \
+ SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
+#else
+#define CFG_SYPCR 0xffffff88
+#endif
+
+/*-----------------------------------------------------------------------
+ * SIUMCR - SIU Module Configuration 11-6
+ *-----------------------------------------------------------------------
+ * PCMCIA config., multi-function pin tri-state
+ */
+#ifndef CONFIG_CAN_DRIVER
+/*#define CFG_SIUMCR 0x00610c00 */
+#define CFG_SIUMCR 0x00000000
+#else /* we must activate GPL5 in the SIUMCR for CAN */
+#define CFG_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
+#endif /* CONFIG_CAN_DRIVER */
+
+/*-----------------------------------------------------------------------
+ * TBSCR - Time Base Status and Control 11-26
+ *-----------------------------------------------------------------------
+ * Clear Reference Interrupt Status, Timebase freezing enabled
+ */
+#define CFG_TBSCR 0x0001
+
+/*-----------------------------------------------------------------------
+ * RTCSC - Real-Time Clock Status and Control Register 11-27
+ *-----------------------------------------------------------------------
+ */
+#define CFG_RTCSC 0x00c3
+
+/*-----------------------------------------------------------------------
+ * PISCR - Periodic Interrupt Status and Control 11-31
+ *-----------------------------------------------------------------------
+ * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
+ */
+#define CFG_PISCR 0x0000
+
+/*-----------------------------------------------------------------------
+ * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
+ *-----------------------------------------------------------------------
+ * Reset PLL lock status sticky bit, timer expired status bit and timer
+ * interrupt status bit
+ */
+#if defined (CONFIG_100MHz)
+#define CFG_PLPRCR 0x06301000
+#define CONFIG_8xx_GCLK_FREQ 100000000
+#elif defined (CONFIG_80MHz)
+#define CFG_PLPRCR 0x04f01000
+#define CONFIG_8xx_GCLK_FREQ 80000000
+#elif defined(CONFIG_75MHz)
+#define CFG_PLPRCR 0x04a00100
+#define CONFIG_8xx_GCLK_FREQ 75000000
+#elif defined(CONFIG_66MHz)
+#define CFG_PLPRCR 0x04101000
+#define CONFIG_8xx_GCLK_FREQ 66000000
+#elif defined(CONFIG_50MHz)
+#define CFG_PLPRCR 0x03101000
+#define CONFIG_8xx_GCLK_FREQ 50000000
+#endif
+
+/*-----------------------------------------------------------------------
+ * SCCR - System Clock and reset Control Register 15-27
+ *-----------------------------------------------------------------------
+ * Set clock output, timebase and RTC source and divider,
+ * power management and some other internal clocks
+ */
+#define SCCR_MASK SCCR_EBDF11
+#ifdef CONFIG_BUS_DIV2
+#define CFG_SCCR 0x02020000 | SCCR_RTSEL
+#else /* up to 50 MHz we use a 1:1 clock */
+#define CFG_SCCR 0x02000000 | SCCR_RTSEL
+#endif
+
+/*-----------------------------------------------------------------------
+ * PCMCIA stuff
+ *-----------------------------------------------------------------------
+ *
+ */
+#define CFG_PCMCIA_MEM_ADDR (0xE0000000)
+#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
+#define CFG_PCMCIA_DMA_ADDR (0xE4000000)
+#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
+#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
+#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
+#define CFG_PCMCIA_IO_ADDR (0xEC000000)
+#define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
+
+/*-----------------------------------------------------------------------
+ * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
+ *-----------------------------------------------------------------------
+ */
+
+#undef CONFIG_IDE_8xx_PCCARD /* Use IDE with PC Card Adapter */
+
+#define CONFIG_IDE_8xx_DIRECT 1 /* Direct IDE not supported */
+#undef CONFIG_IDE_LED /* LED for ide not supported */
+#undef CONFIG_IDE_RESET /* reset for ide not supported */
+
+#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
+#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
+
+#define CFG_ATA_BASE_ADDR 0xFE100010
+#define CFG_ATA_IDE0_OFFSET 0x0000
+/*#define CFG_ATA_IDE1_OFFSET 0x0C00 */
+#define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O
+ */
+#define CFG_ATA_REG_OFFSET 0x0200 /* Offset for normal register accesses
+ */
+#define CFG_ATA_ALT_OFFSET 0x0210 /* Offset for alternate registers
+ */
+#define CONFIG_ATAPI
+#define CFG_PIO_MODE 0
+
+/*-----------------------------------------------------------------------
+ *
+ *-----------------------------------------------------------------------
+ *
+ */
+/*#define CFG_DER 0x2002000F*/
+#define CFG_DER 0x0
+
+/*
+ * Init Memory Controller:
+ *
+ * BR0/1 and OR0/1 (FLASH)
+ */
+
+#define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */
+#define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */
+
+/* used to re-map FLASH both when starting from SRAM or FLASH:
+ * restrict access enough to keep SRAM working (if any)
+ * but not too much to meddle with FLASH accesses
+ */
+#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
+#define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
+
+/*
+ * FLASH timing:
+ */
+#if defined(CONFIG_100MHz)
+#define CFG_OR_TIMING_FLASH 0x000002f4
+#define CFG_OR_TIMING_DOC 0x000002f4
+#define CFG_MxMR_PTx 0x61000000
+#define CFG_MPTPR 0x400
+
+#elif defined(CONFIG_80MHz)
+#define CFG_OR_TIMING_FLASH 0x00000ff4
+#define CFG_OR_TIMING_DOC 0x000001f4
+#define CFG_MxMR_PTx 0x4e000000
+#define CFG_MPTPR 0x400
+
+#elif defined(CONFIG_75MHz)
+#define CFG_OR_TIMING_FLASH 0x000008f4
+#define CFG_OR_TIMING_DOC 0x000002f4
+#define CFG_MxMR_PTx 0x49000000
+#define CFG_MPTPR 0x400
+
+#elif defined(CONFIG_66MHz)
+#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \
+ OR_SCY_3_CLK | OR_EHTR | OR_BI)
+/*#define CFG_OR_TIMING_FLASH 0x000001f4 */
+#define CFG_OR_TIMING_DOC 0x000003f4
+#define CFG_MxMR_PTx 0x40000000
+#define CFG_MPTPR 0x400
+
+#else /* 50 MHz */
+#define CFG_OR_TIMING_FLASH 0x00000ff4
+#define CFG_OR_TIMING_DOC 0x000001f4
+#define CFG_MxMR_PTx 0x30000000
+#define CFG_MPTPR 0x400
+#endif /*CONFIG_??MHz */
+
+
+#if defined (CONFIG_BOOT_8B) /* 512K X 8 ,29F040 , 2MB space */
+#define CFG_OR0_PRELIM (0xffe00000 | CFG_OR_TIMING_FLASH)
+#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V | BR_PS_8)
+#elif defined (CONFIG_BOOT_16B) /* 29lv160 X 16 , 4MB space */
+#define CFG_OR0_PRELIM (0xffc00000 | CFG_OR_TIMING_FLASH)
+#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V | BR_PS_16)
+#elif defined( CONFIG_BOOT_32B ) /* 29lv160 X 2 X 32, 4/8/16MB , 64MB space */
+#define CFG_OR0_PRELIM (0xfc000000 | CFG_OR_TIMING_FLASH)
+#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
+#else
+#error Boot device port size missing.
+#endif
+
+/*
+ * Disk-On-Chip configuration
+ */
+
+#define CFG_DOC_SHORT_TIMEOUT
+#define CFG_MAX_DOC_DEVICE 1 /* Max number of DOC devices */
+
+#define CFG_DOC_SUPPORT_2000
+#define CFG_DOC_SUPPORT_MILLENNIUM
+#define CFG_DOC_BASE 0x80000000
+
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
+#define BOOTFLAG_WARM 0x02 /* Software reboot */
+
+#endif /* __CONFIG_H */
#define AMD_MANUFACT 0x00010001 /* AMD manuf. ID in D23..D16, D7..D0 */
#define FUJ_MANUFACT 0x00040004 /* FUJITSU manuf. ID in D23..D16, D7..D0 */
+#define ATM_MANUFACT 0x001F001F /* ATMEL */
#define STM_MANUFACT 0x00200020 /* STM (Thomson) manuf. ID in D23.. -"- */
#define SST_MANUFACT 0x00BF00BF /* SST manuf. ID in D23..D16, D7..D0 */
#define MT_MANUFACT 0x00890089 /* MT manuf. ID in D23..D16, D7..D0 */
#define AMD_ID_DL640 0x227E227E /* 29DL640D ID (64 M, dual boot sectors)*/
#define AMD_ID_LV640U 0x22D722D7 /* 29LV640U ID (64 M, uniform sectors) */
+#define ATM_ID_BV1614 0x000000C0 /* 49BV1614 ID */
+
#define FUJI_ID_29F800BA 0x22582258 /* MBM29F800BA ID (8M) */
#define FUJI_ID_29F800TA 0x22D622D6 /* MBM29F800TA ID (8M) */
/*
- * u-boot/include/linux/mtd/nand.h
+ * linux/include/linux/mtd/nand.h
*
* Copyright (c) 2000 David Woodhouse <dwmw2@mvhi.com>
* Steven J. Hill <sjhill@cotw.com>
+ * Thomas Gleixner <gleixner@autronix.de>
*
- * $Id: nand.h,v 1.8 2000/10/30 17:16:17 sjhill Exp $
+ * $Id: nand.h,v 1.13 2002/04/28 13:40:41 gleixner Exp $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* bat later if I did something naughty.
* 10-11-2000 SJH Added private NAND flash structure for driver
* 10-24-2000 SJH Added prototype for 'nand_scan' function
+ * 10-29-2001 TG changed nand_chip structure to support
+ * hardwarespecific function for accessing control lines
+ * 02-21-2002 TG added support for different read/write adress and
+ * ready/busy line access function
+ * 02-26-2002 TG added chip_delay to nand_chip structure to optimize
+ * command delay times for different chips
+ * 04-28-2002 TG OOB config defines moved from nand.c to avoid duplicate
+ * defines in jffs2/wbuf.c
*/
#ifndef __LINUX_MTD_NAND_H
#define __LINUX_MTD_NAND_H
#define NAND_CMD_RESET 0xff
/*
+ * Enumeration for NAND flash chip state
+ */
+typedef enum {
+ FL_READY,
+ FL_READING,
+ FL_WRITING,
+ FL_ERASING,
+ FL_SYNCING
+} nand_state_t;
+
+
+/*
+ * NAND Private Flash Chip Data
+ *
+ * Structure overview:
+ *
+ * IO_ADDR - address to access the 8 I/O lines of the flash device
+ *
+ * hwcontrol - hardwarespecific function for accesing control-lines
+ *
+ * dev_ready - hardwarespecific function for accesing device ready/busy line
+ *
+ * chip_lock - spinlock used to protect access to this structure
+ *
+ * wq - wait queue to sleep on if a NAND operation is in progress
+ *
+ * state - give the current state of the NAND device
+ *
+ * page_shift - number of address bits in a page (column address bits)
+ *
+ * data_buf - data buffer passed to/from MTD user modules
+ *
+ * data_cache - data cache for redundant page access and shadow for
+ * ECC failure
+ *
+ * ecc_code_buf - used only for holding calculated or read ECCs for
+ * a page read or written when ECC is in use
+ *
+ * reserved - padding to make structure fall on word boundary if
+ * when ECC is in use
+ */
+struct Nand {
+ char floor, chip;
+ unsigned long curadr;
+ unsigned char curmode;
+ /* Also some erase/write/pipeline info when we get that far */
+};
+
+struct nand_chip {
+ int page_shift;
+ u_char *data_buf;
+ u_char *data_cache;
+ int cache_page;
+ u_char ecc_code_buf[6];
+ u_char reserved[2];
+ char ChipID; /* Type of DiskOnChip */
+ struct Nand *chips;
+ int chipshift;
+ char* chips_name;
+ unsigned long erasesize;
+ unsigned long mfr; /* Flash IDs - only one type of flash per device */
+ unsigned long id;
+ char* name;
+ struct NFTLrecord nftl;
+ int nftl_found;
+ int numchips;
+ char page256;
+ char pageadrlen;
+ unsigned long IO_ADDR; /* address to access the 8 I/O lines to the flash device */
+ unsigned long totlen;
+ uint oobblock; // Size of OOB blocks (e.g. 512)
+ uint oobsize; // Amount of OOB data per block (e.g. 16)
+ uint eccsize;
+};
+
+/*
* NAND Flash Manufacturer ID Codes
*/
#define NAND_MFR_TOSHIBA 0x98
unsigned long erasesize;
};
+/*
+* Constants for oob configuration
+*/
+#define NAND_NOOB_ECCPOS0 0
+#define NAND_NOOB_ECCPOS1 1
+#define NAND_NOOB_ECCPOS2 2
+#define NAND_NOOB_ECCPOS3 3
+#define NAND_NOOB_ECCPOS4 4
+#define NAND_NOOB_ECCPOS5 5
+#define NAND_NOOB_BADBPOS -1
+#define NAND_NOOB_ECCVPOS -1
+
+#define NAND_JFFS2_OOB_ECCPOS0 0
+#define NAND_JFFS2_OOB_ECCPOS1 1
+#define NAND_JFFS2_OOB_ECCPOS2 2
+#define NAND_JFFS2_OOB_ECCPOS3 3
+#define NAND_JFFS2_OOB_ECCPOS4 6
+#define NAND_JFFS2_OOB_ECCPOS5 7
+#define NAND_JFFS2_OOB_BADBPOS 5
+#define NAND_JFFS2_OOB_ECCVPOS 4
+
+#define NAND_JFFS2_OOB8_FSDAPOS 6
+#define NAND_JFFS2_OOB16_FSDAPOS 8
+#define NAND_JFFS2_OOB8_FSDALEN 2
+#define NAND_JFFS2_OOB16_FSDALEN 8
+
#endif /* __LINUX_MTD_NAND_H */
# else
# define CONFIG_PCMCIA_SLOT_B
# endif
-#elif defined(CONFIG_TQM8xxL)
+#elif defined(CONFIG_TQM8xxL) || defined(CONFIG_SVM_SC8xx)
# define CONFIG_PCMCIA_SLOT_B /* The TQM8xxL use SLOT_B */
#elif defined(CONFIG_SPD823TS) /* The SPD8xx use SLOT_B */
# define CONFIG_PCMCIA_SLOT_B
# define STATUS_LED_BOOT 0 /* LED 0 used for boot status */
+#elif defined(CONFIG_SVM_SC8xx)
+# define STATUS_LED_PAR im_cpm.cp_pbpar
+# define STATUS_LED_DIR im_cpm.cp_pbdir
+# define STATUS_LED_ODR im_cpm.cp_pbodr
+# define STATUS_LED_DAT im_cpm.cp_pbdat
+
+# define STATUS_LED_BIT 0x00000001
+# define STATUS_LED_PERIOD (CFG_HZ / 2)
+# define STATUS_LED_STATE STATUS_LED_BLINKING
+
+# define STATUS_LED_ACTIVE 1 /* LED on for bit == 1 */
+
+# define STATUS_LED_BOOT 0 /* LED 0 used for boot status */
+
/************************************************************************/
#else
# error Status LED configuration missing
#include <version.h>
#include <net.h>
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+void nand_init (void);
+#endif
const char version_string[] =
U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")";
mem_malloc_init (_armboot_real_end);
#endif /* CONFIG_VFD */
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+ nand_init(); /* go init the NAND */
+#endif
+
/* initialize environment */
env_relocate ();
projects / kernel / u-boot.git / commitdiff