#########################################################################
LIST_4xx=" \
- acadia ADCIOP alpr AP1000 \
- AR405 ASH405 bamboo bubinga \
- CANBT CMS700 CPCI2DP CPCI405 \
- CPCI4052 CPCI405AB CPCI405DT CPCI440 \
- CPCIISER4 CRAYL1 csb272 csb472 \
- DASA_SIM DP405 DU405 ebony \
- ERIC EXBITGEN G2000 HH405 \
- HUB405 JSE KAREF katmai \
- luan METROBOX MIP405 MIP405T \
- ML2 ml300 ocotea OCRTC \
- ORSG p3p440 PCI405 pcs440ep \
- PIP405 PLU405 PMC405 PPChameleonEVB \
- sbc405 sc3 sequoia sequoia_nand \
- taishan VOH405 VOM405 W7OLMC \
- W7OLMG walnut WUH405 XPEDITE1K \
- yellowstone yosemite yucca \
+ acadia acadia_nand ADCIOP alpr \
+ AP1000 AR405 ASH405 bamboo \
+ bamboo_nand bubinga CANBT CMS700 \
+ CPCI2DP CPCI405 CPCI4052 CPCI405AB \
+ CPCI405DT CPCI440 CPCIISER4 CRAYL1 \
+ csb272 csb472 DASA_SIM DP405 \
+ DU405 ebony ERIC EXBITGEN \
+ G2000 HH405 HUB405 JSE \
+ KAREF katmai luan METROBOX \
+ MIP405 MIP405T ML2 ml300 \
+ ocotea OCRTC ORSG p3p440 \
+ PCI405 pcs440ep PIP405 PLU405 \
+ PMC405 PPChameleonEVB sbc405 sc3 \
+ sequoia sequoia_nand taishan VOH405 \
+ VOM405 W7OLMC W7OLMG walnut \
+ WUH405 XPEDITE1K yellowstone yosemite \
+ yucca \
"
#########################################################################
acadia_config: unconfig
@$(MKCONFIG) $(@:_config=) ppc ppc4xx acadia amcc
+acadia_nand_config: unconfig
+ @mkdir -p $(obj)include
+ @mkdir -p $(obj)nand_spl
+ @mkdir -p $(obj)board/amcc/acadia
+ @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
+ @$(MKCONFIG) -n $@ -a acadia ppc ppc4xx acadia amcc
+ @echo "TEXT_BASE = 0x01000000" > $(obj)board/amcc/acadia/config.tmp
+ @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
+
ADCIOP_config: unconfig
@$(MKCONFIG) $(@:_config=) ppc ppc4xx adciop esd
bamboo_config: unconfig
@$(MKCONFIG) $(@:_config=) ppc ppc4xx bamboo amcc
+bamboo_nand_config: unconfig
+ @mkdir -p $(obj)include
+ @mkdir -p $(obj)nand_spl
+ @mkdir -p $(obj)board/amcc/bamboo
+ @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
+ @$(MKCONFIG) -n $@ -a bamboo ppc ppc4xx bamboo amcc
+ @echo "TEXT_BASE = 0x01000000" > $(obj)board/amcc/bamboo/config.tmp
+ @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
+
bubinga_config: unconfig
@$(MKCONFIG) $(@:_config=) ppc ppc4xx bubinga amcc
stxgp3_config: unconfig
@$(MKCONFIG) $(@:_config=) ppc mpc85xx stxgp3
-stxssa_config: unconfig
- @$(MKCONFIG) $(@:_config=) ppc mpc85xx stxssa
+stxssa_config \
+stxssa_4M_config: unconfig
+ @mkdir -p $(obj)include
+ @if [ "$(findstring _4M_,$@)" ] ; then \
+ echo "#define CONFIG_STXSSA_4M" >>$(obj)include/config.h ; \
+ echo "... with 4 MiB flash memory" ; \
+ else \
+ >$(obj)include/config.h ; \
+ fi
+ @$(MKCONFIG) -a stxssa ppc mpc85xx stxssa
TQM8540_config \
TQM8541_config \
LIB = $(obj)lib$(BOARD).a
-COBJS = $(BOARD).o cpr.o memory.o
+COBJS = $(BOARD).o cmd_acadia.o cpr.o memory.o
SOBJS =
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
acadia_gpio_init();
+ /* Configure 405EZ for NAND usage */
+ mtsdr(sdrnand0, SDR_NAND0_NDEN | SDR_NAND0_NDAREN | SDR_NAND0_NDRBEN);
+ mfsdr(sdrultra0, reg);
+ reg &= ~SDR_ULTRA0_CSN_MASK;
+ reg |= (SDR_ULTRA0_CSNSEL0 >> CFG_NAND_CS) |
+ SDR_ULTRA0_NDGPIOBP |
+ SDR_ULTRA0_EBCRDYEN |
+ SDR_ULTRA0_NFSRSTEN;
+ mtsdr(sdrultra0, reg);
+
/* USB Host core needs this bit set */
mfsdr(sdrultra1, reg);
mtsdr(sdrultra1, reg | SDR_ULTRA1_LEDNENABLE);
int checkboard(void)
{
char *s = getenv("serial#");
+ u8 rev;
+
+ rev = in8(CFG_CPLD_BASE + 0);
+ printf("Board: Acadia - AMCC PPC405EZ Evaluation Board, Rev. %X", rev);
- printf("Board: Acadia - AMCC PPC405EZ Evaluation Board");
if (s != NULL) {
puts(", serial# ");
puts(s);
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@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 <command.h>
+#include <i2c.h>
+
+static u8 boot_267_nor[] = {
+ 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x00,
+ 0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00
+};
+
+static u8 boot_267_nand[] = {
+ 0xd0, 0x38, 0xc3, 0x50, 0x13, 0x88, 0x8e, 0x00,
+ 0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00
+};
+
+static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ u8 chip;
+ u8 *buf;
+ int cpu_freq;
+
+ if (argc < 3) {
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ cpu_freq = simple_strtol(argv[1], NULL, 10);
+ if (cpu_freq != 267) {
+ printf("Unsupported cpu-frequency - only 267 supported\n");
+ return 1;
+ }
+
+ /* use 0x50 as I2C EEPROM address for now */
+ chip = 0x50;
+
+ if ((strcmp(argv[2], "nor") != 0) &&
+ (strcmp(argv[2], "nand") != 0)) {
+ printf("Unsupported boot-device - only nor|nand support\n");
+ return 1;
+ }
+
+ if (strcmp(argv[2], "nand") == 0) {
+ switch (cpu_freq) {
+ case 267:
+ buf = boot_267_nand;
+ break;
+ default:
+ break;
+ }
+ } else {
+ switch (cpu_freq) {
+ case 267:
+ buf = boot_267_nor;
+ break;
+ default:
+ break;
+ }
+ }
+
+ if (i2c_write(chip, 0, 1, buf, 16) != 0)
+ printf("Error writing to EEPROM at address 0x%x\n", chip);
+ udelay(CFG_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
+ if (i2c_write(chip, 0x10, 1, buf+16, 4) != 0)
+ printf("Error2 writing to EEPROM at address 0x%x\n", chip);
+
+ printf("Done\n");
+ printf("Please power-cycle the board for the changes to take effect\n");
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ bootstrap, 3, 0, do_bootstrap,
+ "bootstrap - program the I2C bootstrap EEPROM\n",
+ "<cpu-freq> <nor|nand> - program the I2C bootstrap EEPROM\n"
+ );
# MA 02111-1307 USA
#
+#
+# AMCC 405EZ Reference Platform (Acadia) board
+#
+
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
ifndef TEXT_BASE
TEXT_BASE = 0xFFFC0000
endif
return;
}
+#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
static void cram_bcr_write(u32 wr_val)
{
wr_val <<= 2;
return;
}
+#endif
long int initdram(int board_type)
{
+#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+ int i;
u32 val;
/* 1. EBC need to program READY, CLK, ADV for ASync mode */
/* Config EBC to use RDY */
mfsdr(sdrultra0, val);
- mtsdr(sdrultra0, val | 0x04000000);
+ mtsdr(sdrultra0, val | SDR_ULTRA0_EBCRDYEN);
+
+ /* Wait a short while, since for NAND booting this is too fast */
+ for (i=0; i<200000; i++)
+ ;
+#endif
return (CFG_MBYTES_RAM << 20);
}
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * 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);
+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/ppc4xx/start.o (.text)
+
+ /* Align to next NAND block */
+ . = ALIGN(0x4000);
+ common/environment.o (.ppcenv)
+ /* Keep some space here for redundant env and potential bad env blocks */
+ . = ALIGN(0x10000);
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ }
+ .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 = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ . = .;
+ __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 = .);
+}
#
-# (C) Copyright 2002-2006
+# (C) Copyright 2002-2007
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(OBJS) $(SOBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
clean:
rm -f $(SOBJS) $(OBJS)
/*
- * (C) Copyright 2005
+ * (C) Copyright 2005-2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
return (0);
}
+#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
/*************************************************************************
*
* init_spd_array -- Bamboo has one bank onboard sdram (plus DIMM)
cfg_simulate_spd_eeprom[25] = 0x00; /* SDRAM Cycle Time (cas latency 1.5) = N.A */
cfg_simulate_spd_eeprom[12] = 0x82; /* refresh Rate Type: Normal (15.625us) + Self refresh */
}
+#endif
long int initdram (int board_type)
{
- long dram_size = 0;
+#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
+ long dram_size;
/*
* First write simulated values in eeprom array for onboard bank 0
dram_size = spd_sdram();
return dram_size;
+#else
+ return CFG_MBYTES_SDRAM << 20;
+#endif
}
#if defined(CFG_DRAM_TEST)
/*------------------------------------------------------------------------- */
case BOOT_FROM_NAND_FLASH0:
/*------------------------------------------------------------------------- */
- ebc0_cs0_bnap_value = 0;
- ebc0_cs0_bncr_value = 0;
+ ebc0_cs0_bnap_value = EBC0_BNAP_NAND_FLASH;
+ ebc0_cs0_bncr_value = EBC0_BNCR_NAND_FLASH_CS1;
- ebc0_cs1_bnap_value = EBC0_BNAP_NAND_FLASH;
- ebc0_cs1_bncr_value = EBC0_BNCR_NAND_FLASH_CS1;
+ ebc0_cs1_bnap_value = 0;
+ ebc0_cs1_bncr_value = 0;
ebc0_cs2_bnap_value = 0;
ebc0_cs2_bncr_value = 0;
ebc0_cs3_bnap_value = 0;
gpio_tab[GPIO0][6].in_out = GPIO_OUT; /* EBC_CS_N(1) */
gpio_tab[GPIO0][6].alt_nb = GPIO_ALT1;
-#if 0
gpio_tab[GPIO0][7].in_out = GPIO_OUT; /* EBC_CS_N(2) */
gpio_tab[GPIO0][7].alt_nb = GPIO_ALT1;
+#if 0
gpio_tab[GPIO0][7].in_out = GPIO_OUT; /* EBC_CS_N(3) */
gpio_tab[GPIO0][7].alt_nb = GPIO_ALT1;
#endif
{
update_ndfc_ios();
+#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
mtsdr(sdr_cust0, SDR0_CUST0_MUX_NDFC_SEL |
SDR0_CUST0_NDFC_ENABLE |
SDR0_CUST0_NDFC_BW_8_BIT |
SDR0_CUST0_NDFC_ARE_MASK |
SDR0_CUST0_CHIPSELGAT_EN1 |
SDR0_CUST0_CHIPSELGAT_EN2);
+#else
+ mtsdr(sdr_cust0, SDR0_CUST0_MUX_NDFC_SEL |
+ SDR0_CUST0_NDFC_ENABLE |
+ SDR0_CUST0_NDFC_BW_8_BIT |
+ SDR0_CUST0_NDFC_ARE_MASK |
+ SDR0_CUST0_CHIPSELGAT_EN0 |
+ SDR0_CUST0_CHIPSELGAT_EN2);
+#endif
ndfc_selection_in_fpga();
}
#
-# (C) Copyright 2002-2006
+# (C) Copyright 2002-2007
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
# MA 02111-1307 USA
#
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
TEXT_BASE = 0xFFFA0000
+endif
PLATFORM_CPPFLAGS += -DCONFIG_440=1
static unsigned long flash_addr_table[][CFG_MAX_FLASH_BANKS] = {
{0x87800001, 0xFFF00000, 0xFFF80000}, /* 0:boot from small flash */
{0x00000000, 0x00000000, 0x00000000}, /* 1:boot from pci 66 */
- {0x00000000, 0x00000000, 0x00000000}, /* 2:boot from nand flash */
+ {0x87800001, 0x00000000, 0x00000000}, /* 0:boot from nand flash */
{0x87F00000, 0x87F80000, 0xFFC00001}, /* 3:boot from big flash 33*/
{0x87F00000, 0x87F80000, 0xFFC00001}, /* 4:boot from big flash 66*/
{0x00000000, 0x00000000, 0x00000000}, /* 5:boot from */
flash_info[i].size = 0;
/* check whether the address is 0 */
- if (flash_addr_table[index][i] == 0) {
+ if (flash_addr_table[index][i] == 0)
continue;
- }
+ DEBUGF("Detection bank %d...\n", i);
/* call flash_get_size() to initialize sector address */
size_b[i] = flash_get_size((vu_long *) flash_addr_table[index][i],
&flash_info[i]);
/*
-*
-* 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
-*/
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
+ *
+ * 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 <ppc_asm.tmpl>
#include <config.h>
-
-/* General */
-#define TLB_VALID 0x00000200
-
-/* Supported page sizes */
-
-#define SZ_1K 0x00000000
-#define SZ_4K 0x00000010
-#define SZ_16K 0x00000020
-#define SZ_64K 0x00000030
-#define SZ_256K 0x00000040
-#define SZ_1M 0x00000050
-#define SZ_8M 0x00000060
-#define SZ_16M 0x00000070
-#define SZ_256M 0x00000090
-
-/* Storage attributes */
-#define SA_W 0x00000800 /* Write-through */
-#define SA_I 0x00000400 /* Caching inhibited */
-#define SA_M 0x00000200 /* Memory coherence */
-#define SA_G 0x00000100 /* Guarded */
-#define SA_E 0x00000080 /* Endian */
-
-/* Access control */
-#define AC_X 0x00000024 /* Execute */
-#define AC_W 0x00000012 /* Write */
-#define AC_R 0x00000009 /* Read */
-
-/* Some handy macros */
-
-#define EPN(e) ((e) & 0xfffffc00)
-#define TLB0(epn,sz) ( (EPN((epn)) | (sz) | TLB_VALID ) )
-#define TLB1(rpn,erpn) ( ((rpn)&0xfffffc00) | (erpn) )
-#define TLB2(a) ( (a)&0x00000fbf )
-
-#define tlbtab_start\
- mflr r1 ;\
- bl 0f ;
-
-#define tlbtab_end\
- .long 0, 0, 0 ; \
-0: mflr r0 ; \
- mtlr r1 ; \
- blr ;
-
-#define tlbentry(epn,sz,rpn,erpn,attr)\
- .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
-
+#include <asm-ppc/mmu.h>
/**************************************************************************
* TLB TABLE
* Pointer to the table is returned in r1
*
*************************************************************************/
-
- .section .bootpg,"ax"
- .globl tlbtab
+ .section .bootpg,"ax"
+ .globl tlbtab
tlbtab:
- tlbtab_start
-
- /*
- * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
- * speed up boot process. It is patched after relocation to enable SA_I
- */
- tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/)
-
- /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
- tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G )
-
- tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
- tlbentry( CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I )
- tlbentry( CFG_NVRAM_BASE_ADDR, SZ_256M, CFG_NVRAM_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I )
- tlbentry( CFG_NAND_ADDR, SZ_256M, CFG_NAND_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I )
-
- /* PCI */
- tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I )
- tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 0, AC_R|AC_W|SA_G|SA_I )
- tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 0, AC_R|AC_W|SA_G|SA_I )
- tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 0, AC_R|AC_W|SA_G|SA_I )
-
- /* USB 2.0 Device */
- tlbentry( CFG_USB_DEVICE, SZ_1K, CFG_USB_DEVICE, 0, AC_R|AC_W|SA_G|SA_I )
-
- tlbtab_end
+ tlbtab_start
+
+ /*
+ * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
+ * speed up boot process. It is patched after relocation to enable SA_I
+ */
+#ifndef CONFIG_NAND_SPL
+ tlbentry(CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G)
+#else
+ tlbentry(CFG_NAND_BOOT_SPL_SRC, SZ_4K, CFG_NAND_BOOT_SPL_SRC, 0, AC_R|AC_W|AC_X|SA_G)
+#endif
+
+ /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+ tlbentry(CFG_INIT_RAM_ADDR, SZ_4K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G)
+
+ tlbentry(CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
+
+ /* PCI base & peripherals */
+ tlbentry(CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I)
+
+ tlbentry(CFG_NVRAM_BASE_ADDR, SZ_256M, CFG_NVRAM_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I)
+ tlbentry(CFG_NAND_ADDR, SZ_4K, CFG_NAND_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I)
+
+ /* PCI */
+ tlbentry(CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 0, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 0, AC_R|AC_W|SA_G|SA_I)
+ tlbentry(CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 0, AC_R|AC_W|SA_G|SA_I)
+
+ /* USB 2.0 Device */
+ tlbentry(CFG_USB_DEVICE, SZ_1K, CFG_USB_DEVICE, 0, AC_R|AC_W|SA_G|SA_I)
+
+ tlbtab_end
+
+#if defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
+ /*
+ * For NAND booting the first TLB has to be reconfigured to full size
+ * and with caching disabled after running from RAM!
+ */
+#define TLB00 TLB0(CFG_BOOT_BASE_ADDR, SZ_256M)
+#define TLB01 TLB1(CFG_BOOT_BASE_ADDR, 0)
+#define TLB02 TLB2(AC_R|AC_W|AC_X|SA_G|SA_I)
+
+ .globl reconfig_tlb0
+reconfig_tlb0:
+ sync
+ isync
+ addi r4,r0,0x0000 /* TLB entry #0 */
+ lis r5,TLB00@h
+ ori r5,r5,TLB00@l
+ tlbwe r5,r4,0x0000 /* Save it out */
+ lis r5,TLB01@h
+ ori r5,r5,TLB01@l
+ tlbwe r5,r4,0x0001 /* Save it out */
+ lis r5,TLB02@h
+ ori r5,r5,TLB02@l
+ tlbwe r5,r4,0x0002 /* Save it out */
+ sync
+ isync
+ blr
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * 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);
+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/ppc4xx/start.o (.text)
+
+ /* Align to next NAND block */
+ . = ALIGN(0x4000);
+ common/environment.o (.ppcenv)
+ /* Keep some space here for redundant env and potential bad env blocks */
+ . = ALIGN(0x10000);
+
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ }
+ .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 = .);
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+
+ . = .;
+ __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 = .);
+}
long int initdram (int board_type)
{
#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+#if !defined(CONFIG_NAND_SPL)
ulong speed = get_bus_freq(0);
+#else
+ ulong speed = 133333333; /* 133MHz is on the safe side */
+#endif
mtsdram(DDR0_02, 0x00000000);
printf("Board: Rainier - AMCC PPC440GRx Evaluation Board");
#endif
- rev = *(u8 *)(CFG_BCSR_BASE + 0);
- val = *(u8 *)(CFG_BCSR_BASE + 5) & 0x01;
+ rev = in8(CFG_BCSR_BASE + 0);
+ val = in8(CFG_BCSR_BASE + 5) & 0x01;
printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
if (s != NULL) {
#include <common.h>
#include <mpc5xxx.h>
-
+#include <miiphy.h>
#if defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
#endif
+#if defined(CONFIG_STATUS_LED)
+#include <status_led.h>
+#endif /* CONFIG_STATUS_LED */
+
/* Kollmorgen DPR initialization data */
struct init_elem {
unsigned long addr;
}
+/*
+ * Additional PHY intialization. After being reset in mpc5xxx_fec_init_phy(),
+ * PHY goes into FX mode. To take it out of the FX mode and switch into
+ * desired TX operation, one needs to clear the FX_SEL bit of Mode Control
+ * Register.
+ */
+void reset_phy(void)
+{
+ unsigned short mode_control;
+
+ miiphy_read("FEC ETHERNET", CONFIG_PHY_ADDR, 0x15, &mode_control);
+ miiphy_write("FEC ETHERNET", CONFIG_PHY_ADDR, 0x15,
+ mode_control & 0xfffe);
+ return;
+}
+
#ifndef CFG_RAMBOOT
/*
* Helper function to initialize SDRAM controller.
*/
-static void sdram_start (int hi_addr)
+static void sdram_start(int hi_addr)
{
long hi_addr_bit = hi_addr ? 0x01000000 : 0;
/*
* Initalize SDRAM - configure SDRAM controller, detect memory size.
*/
-long int initdram (int board_type)
+long int initdram(int board_type)
{
ulong dramsize = 0;
#ifndef CFG_RAMBOOT
}
-int checkboard (void)
+int checkboard(void)
{
- puts("Board: Promess Motion-PRO board\n");
+ uchar rev = *(vu_char *)CPLD_REV_REGISTER;
+ printf("Board: Promess Motion-PRO board (CPLD rev. 0x%02x)\n", rev);
return 0;
}
ft_cpu_setup(blob, bd);
}
#endif /* defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) */
+
+
+#if defined(CONFIG_STATUS_LED)
+void __led_init(led_id_t regaddr, int state)
+{
+ *((vu_long *) regaddr) |= ENABLE_GPIO_OUT;
+
+ if (state == STATUS_LED_ON)
+ *((vu_long *) regaddr) |= LED_ON;
+ else
+ *((vu_long *) regaddr) &= ~LED_ON;
+}
+
+void __led_set(led_id_t regaddr, int state)
+{
+ if (state == STATUS_LED_ON)
+ *((vu_long *) regaddr) |= LED_ON;
+ else
+ *((vu_long *) regaddr) &= ~LED_ON;
+}
+
+void __led_toggle(led_id_t regaddr)
+{
+ *((vu_long *) regaddr) ^= LED_ON;
+}
+#endif /* CONFIG_STATUS_LED */
# MA 02111-1307 USA
#
-#
# default CCARBAR is at 0xff700000
# assume U-Boot is less than 0.5MB
# U-Boot is less than 256K, so push
# it further up into the flash
#
-TEXT_BASE = 0xfffC0000
+TEXT_BASE = 0xFFFC0000
PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
PLATFORM_CPPFLAGS += -DCONFIG_E500=1
if (outputcnt)
*output = 0;
+ else
+ *(output - 1) = 0;
#ifdef DEBUG_PARSER
printf ("[PROCESS_MACROS] OUTPUT len %d: \"%s\"\n",
*(vu_long *)(MPC5XXX_XLBARB + 0x40) |= (1 << 15);
*(vu_long *)(MPC5XXX_XLBARB + 0x70) = CFG_SDRAM_BASE | 0x1d;
-# if defined(CFG_IPBSPEED_133)
+# if defined(CFG_IPBCLK_EQUALS_XLBCLK)
/* Motorola reports IPB should better run at 133 MHz. */
*(vu_long *)MPC5XXX_ADDECR |= 1;
/* pci_clk_sel = 0x02, ipb_clk_sel = 0x00; */
addecr = *(vu_long *)MPC5XXX_CDM_CFG;
addecr &= ~0x103;
-# if defined(CFG_PCISPEED_66)
+# if defined(CFG_PCICLK_EQUALS_IPBCLK_DIV2)
/* pci_clk_sel = 0x01 -> IPB_CLK/2 */
addecr |= 0x01;
# else
/* pci_clk_sel = 0x02 -> XLB_CLK/4 = IPB_CLK/4 */
addecr |= 0x02;
-# endif /* CFG_PCISPEED_66 */
+# endif /* CFG_PCICLK_EQUALS_IPBCLK_DIV2 */
*(vu_long *)MPC5XXX_CDM_CFG = addecr;
-# endif /* CFG_IPBSPEED_133 */
+# endif /* CFG_IPBCLK_EQUALS_XLBCLK */
/* Configure the XLB Arbiter */
*(vu_long *)MPC5XXX_XLBARB_MPRIEN = 0xff;
*(vu_long *)MPC5XXX_XLBARB_MPRIVAL = 0x11111111;
static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis)
{
mpc5xxx_fec_priv *fec = (mpc5xxx_fec_priv *)dev->priv;
-#ifndef CONFIG_MOTIONPRO
const uint8 phyAddr = CONFIG_PHY_ADDR; /* Only one PHY */
-#endif /* !CONFIG_MOTIONPRO */
#if (DEBUG & 0x1)
printf ("mpc5xxx_fec_init_phy... Begin\n");
* PHY initialization for the Motion-PRO board, until a proper fix is found.
*/
-#ifndef CONFIG_MOTIONPRO
if (fec->xcv_type != SEVENWIRE) {
/*
* Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
}
}
-#endif /* !CONFIG_MOTIONPRO */
#if (DEBUG & 0x2)
if (fec->xcv_type != SEVENWIRE)
* Jun Gu, Artesyn Technology, jung@artesyncp.com
* Support for AMCC 440 based on OpenBIOS draminit.c from IBM.
*
- * (C) Copyright 2005
+ * (C) Copyright 2005-2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
* MA 02111-1307 USA
*/
+/* define DEBUG for debugging output (obviously ;-)) */
+#if 0
+#define DEBUG
+#endif
+
#include <common.h>
#include <asm/processor.h>
#include <i2c.h>
#define MY_TLB_WORD2_I_ENABLE TLB_WORD2_I_ENABLE /* disable caching on SDRAM */
#endif
-const unsigned long test[NUMMEMTESTS][NUMMEMWORDS] = {
- {0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000,
- 0xFFFFFFFF, 0xFFFFFFFF},
- {0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF,
- 0x00000000, 0x00000000},
- {0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA,
- 0x55555555, 0x55555555},
- {0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555,
- 0xAAAAAAAA, 0xAAAAAAAA},
- {0xA5A5A5A5, 0xA5A5A5A5, 0x5A5A5A5A, 0x5A5A5A5A, 0xA5A5A5A5, 0xA5A5A5A5,
- 0x5A5A5A5A, 0x5A5A5A5A},
- {0x5A5A5A5A, 0x5A5A5A5A, 0xA5A5A5A5, 0xA5A5A5A5, 0x5A5A5A5A, 0x5A5A5A5A,
- 0xA5A5A5A5, 0xA5A5A5A5},
- {0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55,
- 0x55AA55AA, 0x55AA55AA},
- {0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA,
- 0xAA55AA55, 0xAA55AA55}
-};
-
/* bank_parms is used to sort the bank sizes by descending order */
struct bank_param {
unsigned long cr;
#endif
void program_tlb(u32 start, u32 size, u32 tlb_word2_i_value);
-unsigned char spd_read(uchar chip, uint addr);
-
-void get_spd_info(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
-
-void check_mem_type
-(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
-
-void check_volt_type
-(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
-
-void program_cfg0(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
-
-void program_cfg1(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
-
-void program_rtr (unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
-
-void program_tr0 (unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
-
-void program_tr1 (void);
-
-void program_ecc (unsigned long num_bytes);
+static unsigned char spd_read(uchar chip, uint addr);
+static void get_spd_info(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks);
+static void check_mem_type(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks);
+static void check_volt_type(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks);
+static void program_cfg0(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks);
+static void program_cfg1(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks);
+static void program_rtr(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks);
+static void program_tr0(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks);
+static void program_tr1(void);
+
+#ifdef CONFIG_DDR_ECC
+static void program_ecc(unsigned long num_bytes);
+#endif
-unsigned
-long program_bxcr(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks);
+static unsigned long program_bxcr(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks);
/*
* This function is reading data from the DIMM module EEPROM over the SPD bus
* BUG: Don't handle ECC memory
* BUG: A few values in the TR register is currently hardcoded
*/
-
long int spd_sdram(void) {
unsigned char iic0_dimm_addr[] = SPD_EEPROM_ADDRESS;
unsigned long dimm_populated[sizeof(iic0_dimm_addr)];
*/
while (1) {
mfsdram(mem_mcsts, mcsts);
- if ((mcsts & SDRAM_MCSTS_MRSC) != 0) {
+ if ((mcsts & SDRAM_MCSTS_MRSC) != 0)
break;
- }
}
/*
*/
program_tr1();
+#ifdef CONFIG_DDR_ECC
/*
- * if ECC is enabled, initialize parity bits
+ * If ecc is enabled, initialize the parity bits.
*/
+ program_ecc(total_size);
+#endif
return total_size;
}
-unsigned char spd_read(uchar chip, uint addr)
+static unsigned char spd_read(uchar chip, uint addr)
{
unsigned char data[2];
return 0;
}
-void get_spd_info(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+static void get_spd_info(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned long dimm_found;
if ((num_of_bytes != 0) && (total_size != 0)) {
dimm_populated[dimm_num] = TRUE;
dimm_found = TRUE;
-#if 0
- printf("DIMM slot %lu: populated\n", dimm_num);
-#endif
+ debug("DIMM slot %lu: populated\n", dimm_num);
} else {
dimm_populated[dimm_num] = FALSE;
-#if 0
- printf("DIMM slot %lu: Not populated\n", dimm_num);
-#endif
+ debug("DIMM slot %lu: Not populated\n", dimm_num);
}
}
}
}
-void check_mem_type(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+static void check_mem_type(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned char dimm_type;
dimm_type = spd_read(iic0_dimm_addr[dimm_num], 2);
switch (dimm_type) {
case 7:
-#if 0
- printf("DIMM slot %lu: DDR SDRAM detected\n", dimm_num);
-#endif
+ debug("DIMM slot %lu: DDR SDRAM detected\n", dimm_num);
break;
default:
printf("ERROR: Unsupported DIMM detected in slot %lu.\n",
}
}
-
-void check_volt_type(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+static void check_volt_type(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned long voltage_type;
dimm_num);
hang();
} else {
-#if 0
- printf("DIMM %lu voltage level supported.\n", dimm_num);
-#endif
+ debug("DIMM %lu voltage level supported.\n", dimm_num);
}
break;
}
}
}
-void program_cfg0(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+static void program_cfg0(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned long cfg0;
mtsdram(mem_cfg0, cfg0);
}
-void program_cfg1(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+static void program_cfg1(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long cfg1;
mfsdram(mem_cfg1, cfg1);
mtsdram(mem_cfg1, cfg1);
}
-void program_rtr (unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+static void program_rtr(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned long bus_period_x_10;
get_sys_info(&sys_info);
bus_period_x_10 = ONE_BILLION / (sys_info.freqPLB / 10);
-
for (dimm_num = 0; dimm_num < num_dimm_banks; dimm_num++) {
if (dimm_populated[dimm_num] == TRUE) {
refresh_rate_type = 0x7F & spd_read(iic0_dimm_addr[dimm_num], 12);
mtsdram(mem_rtr, sdram_rtr);
}
-void program_tr0 (unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+static void program_tr0(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned long tr0;
break;
}
-#if 0
- printf("tr0: %x\n", tr0);
-#endif
+ debug("tr0: %x\n", tr0);
mtsdram(mem_tr0, tr0);
}
-void program_tr1 (void)
+static int short_mem_test(void)
+{
+ unsigned long i, j;
+ unsigned long bxcr_num;
+ unsigned long *membase;
+ const unsigned long test[NUMMEMTESTS][NUMMEMWORDS] = {
+ {0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF,
+ 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF},
+ {0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000,
+ 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000},
+ {0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555,
+ 0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555},
+ {0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA,
+ 0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA},
+ {0xA5A5A5A5, 0xA5A5A5A5, 0x5A5A5A5A, 0x5A5A5A5A,
+ 0xA5A5A5A5, 0xA5A5A5A5, 0x5A5A5A5A, 0x5A5A5A5A},
+ {0x5A5A5A5A, 0x5A5A5A5A, 0xA5A5A5A5, 0xA5A5A5A5,
+ 0x5A5A5A5A, 0x5A5A5A5A, 0xA5A5A5A5, 0xA5A5A5A5},
+ {0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA,
+ 0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA},
+ {0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55,
+ 0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55}};
+
+ for (bxcr_num = 0; bxcr_num < MAXBXCR; bxcr_num++) {
+ mtdcr(memcfga, mem_b0cr + (bxcr_num << 2));
+ if ((mfdcr(memcfgd) & SDRAM_BXCR_SDBE) == SDRAM_BXCR_SDBE) {
+ /* Bank is enabled */
+ membase = (unsigned long*)
+ (mfdcr(memcfgd) & SDRAM_BXCR_SDBA_MASK);
+
+ /*
+ * Run the short memory test
+ */
+ for (i = 0; i < NUMMEMTESTS; i++) {
+ for (j = 0; j < NUMMEMWORDS; j++) {
+ membase[j] = test[i][j];
+ ppcDcbf((unsigned long)&(membase[j]));
+ }
+
+ for (j = 0; j < NUMMEMWORDS; j++) {
+ if (membase[j] != test[i][j]) {
+ ppcDcbf((unsigned long)&(membase[j]));
+ return 0;
+ }
+ ppcDcbf((unsigned long)&(membase[j]));
+ }
+
+ if (j < NUMMEMWORDS)
+ return 0;
+ }
+
+ /*
+ * see if the rdclt value passed
+ */
+ if (i < NUMMEMTESTS)
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+static void program_tr1(void)
{
unsigned long tr0;
unsigned long tr1;
unsigned long ecc_temp;
unsigned long dlycal;
unsigned long dly_val;
- unsigned long i, j, k;
- unsigned long bxcr_num;
+ unsigned long k;
unsigned long max_pass_length;
unsigned long current_pass_length;
unsigned long current_fail_length;
unsigned char window_found;
unsigned char fail_found;
unsigned char pass_found;
- unsigned long * membase;
PPC440_SYS_INFO sys_info;
/*
window_found = FALSE;
fail_found = FALSE;
pass_found = FALSE;
-#ifdef DEBUG
- printf("Starting memory test ");
-#endif
+ debug("Starting memory test ");
+
for (k = 0; k < NUMHALFCYCLES; k++) {
- for (rdclt = 0; rdclt < dly_val; rdclt++) {
+ for (rdclt = 0; rdclt < dly_val; rdclt++) {
/*
* Set the timing reg for the test.
*/
mtsdram(mem_tr1, (tr1 | SDRAM_TR1_RDCT_ENCODE(rdclt)));
- for (bxcr_num = 0; bxcr_num < MAXBXCR; bxcr_num++) {
- mtdcr(memcfga, mem_b0cr + (bxcr_num<<2));
- if ((mfdcr(memcfgd) & SDRAM_BXCR_SDBE) == SDRAM_BXCR_SDBE) {
- /* Bank is enabled */
- membase = (unsigned long*)
- (mfdcr(memcfgd) & SDRAM_BXCR_SDBA_MASK);
-
- /*
- * Run the short memory test
- */
- for (i = 0; i < NUMMEMTESTS; i++) {
- for (j = 0; j < NUMMEMWORDS; j++) {
- membase[j] = test[i][j];
- ppcDcbf((unsigned long)&(membase[j]));
- }
-
- for (j = 0; j < NUMMEMWORDS; j++) {
- if (membase[j] != test[i][j]) {
- ppcDcbf((unsigned long)&(membase[j]));
- break;
- }
- ppcDcbf((unsigned long)&(membase[j]));
- }
-
- if (j < NUMMEMWORDS) {
- break;
- }
- }
-
- /*
- * see if the rdclt value passed
- */
- if (i < NUMMEMTESTS) {
- break;
- }
- }
- }
-
- if (bxcr_num == MAXBXCR) {
+ if (short_mem_test()) {
if (fail_found == TRUE) {
pass_found = TRUE;
if (current_pass_length == 0) {
}
}
}
-#ifdef DEBUG
- printf(".");
-#endif
+ debug(".");
+
if (window_found == TRUE) {
break;
}
tr1 = tr1 ^ SDRAM_TR1_RDCD_MASK;
rdclt_offset += dly_val;
}
-#ifdef DEBUG
- printf("\n");
-#endif
+ debug("\n");
/*
* make sure we find the window
}
tr1 |= SDRAM_TR1_RDCT_ENCODE(rdclt_average);
-#if 0
- printf("tr1: %x\n", tr1);
-#endif
+ debug("tr1: %x\n", tr1);
+
/*
* program SDRAM Timing Register 1 TR1
*/
mtsdram(mem_tr1, tr1);
}
-unsigned long program_bxcr(unsigned long* dimm_populated,
- unsigned char* iic0_dimm_addr,
- unsigned long num_dimm_banks)
+static unsigned long program_bxcr(unsigned long *dimm_populated,
+ unsigned char *iic0_dimm_addr,
+ unsigned long num_dimm_banks)
{
unsigned long dimm_num;
unsigned long bank_base_addr;
#ifdef CONFIG_BAMBOO
/*
* This next section is hardware dependent and must be programmed
- * to match the hardware. For bammboo, the following holds...
- * 1. SDRAM0_B0CR: Bank 0 of dimm 0 ctrl_bank_num : 0
+ * to match the hardware. For bamboo, the following holds...
+ * 1. SDRAM0_B0CR: Bank 0 of dimm 0 ctrl_bank_num : 0 (soldered onboard)
* 2. SDRAM0_B1CR: Bank 0 of dimm 1 ctrl_bank_num : 1
* 3. SDRAM0_B2CR: Bank 1 of dimm 1 ctrl_bank_num : 1
* 4. SDRAM0_B3CR: Bank 0 of dimm 2 ctrl_bank_num : 3
ctrl_bank_num[1] = 1;
ctrl_bank_num[2] = 3;
#else
+ /*
+ * Ocotea, Ebony and the other IBM/AMCC eval boards have
+ * 2 DIMM slots with each max 2 banks
+ */
ctrl_bank_num[0] = 0;
- ctrl_bank_num[1] = 1;
- ctrl_bank_num[2] = 2;
- ctrl_bank_num[3] = 3;
+ ctrl_bank_num[1] = 2;
#endif
/*
num_col_addr = spd_read(iic0_dimm_addr[dimm_num], 4);
num_banks = spd_read(iic0_dimm_addr[dimm_num], 5);
bank_size_id = spd_read(iic0_dimm_addr[dimm_num], 31);
+ debug("DIMM%d: row=%d col=%d banks=%d\n", dimm_num,
+ num_row_addr, num_col_addr, num_banks);
/*
* Set the SDRAM0_BxCR regs
cr |= SDRAM_BXCR_SDBE;
for (i = 0; i < num_banks; i++) {
- bank_parms[ctrl_bank_num[dimm_num]+i+dimm_num].bank_size_bytes =
- (4 * 1024 * 1024) * bank_size_id;
- bank_parms[ctrl_bank_num[dimm_num]+i+dimm_num].cr = cr;
+ bank_parms[ctrl_bank_num[dimm_num]+i].bank_size_bytes =
+ (4 << 20) * bank_size_id;
+ bank_parms[ctrl_bank_num[dimm_num]+i].cr = cr;
+ debug("DIMM%d-bank %d (SDRAM0_B%dCR): bank_size_bytes=%d\n",
+ dimm_num, i, ctrl_bank_num[dimm_num]+i,
+ bank_parms[ctrl_bank_num[dimm_num]+i].bank_size_bytes);
}
}
}
bank_parms[sorted_bank_num[bx_cr_num]].cr;
mtdcr(memcfgd, temp);
bank_base_addr += bank_parms[sorted_bank_num[bx_cr_num]].bank_size_bytes;
+ debug("SDRAM0_B%dCR=0x%08lx\n", sorted_bank_num[bx_cr_num], temp);
}
}
return(bank_base_addr);
}
-void program_ecc (unsigned long num_bytes)
+#ifdef CONFIG_DDR_ECC
+static void program_ecc(unsigned long num_bytes)
{
unsigned long bank_base_addr;
unsigned long current_address;
bank_base_addr = CFG_SDRAM_BASE;
if ((cfg0 & SDRAM_CFG0_MCHK_MASK) != SDRAM_CFG0_MCHK_NON) {
- mtsdram(mem_cfg0, (cfg0 & ~SDRAM_CFG0_MCHK_MASK) |
- SDRAM_CFG0_MCHK_GEN);
+ mtsdram(mem_cfg0, (cfg0 & ~SDRAM_CFG0_MCHK_MASK) | SDRAM_CFG0_MCHK_GEN);
- if ((cfg0 & SDRAM_CFG0_DMWD_MASK) == SDRAM_CFG0_DMWD_32) {
+ if ((cfg0 & SDRAM_CFG0_DMWD_MASK) == SDRAM_CFG0_DMWD_32)
address_increment = 4;
- } else {
+ else
address_increment = 8;
- }
current_address = (unsigned long)(bank_base_addr);
end_address = (unsigned long)(bank_base_addr) + num_bytes;
SDRAM_CFG0_MCHK_CHK);
}
}
+#endif /* CONFIG_DDR_ECC */
#endif /* CONFIG_SPD_EEPROM */
* Set the SDRAM Clock Timing Register
*-----------------------------------------------------------------*/
mfsdram(SDRAM_CLKTR, val);
+#ifdef CFG_44x_DDR2_CKTR_180
+ mtsdram(SDRAM_CLKTR, (val & ~SDRAM_CLKTR_CLKP_MASK) | SDRAM_CLKTR_CLKP_180_DEG_ADV);
+#else
mtsdram(SDRAM_CLKTR, (val & ~SDRAM_CLKTR_CLKP_MASK) | SDRAM_CLKTR_CLKP_0_DEG);
+#endif
/*------------------------------------------------------------------
* Program the BxCF registers.
modt3 = 0x00000000;
}
if (total_rank == 4) {
- codt |= CALC_ODT_R(0) | CALC_ODT_R(1) | CALC_ODT_R(2) | CALC_ODT_R(3);
+ codt |= CALC_ODT_R(0) | CALC_ODT_R(1) |
+ CALC_ODT_R(2) | CALC_ODT_R(3);
modt0 = CALC_ODT_RW(2);
modt1 = 0x00000000;
modt2 = CALC_ODT_RW(0);
"Reserved",
"I2C (Addr 0x50)",
};
+static char bootstrap_char[] = { 'A', 'B', 'C', 'B', 'D', 'E', 'x', 'F' };
#endif
#if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
"I2C (Addr 0x54)",
"I2C (Addr 0x50)",
};
+static char bootstrap_char[] = { 'A', 'B', 'C', 'D'};
#endif
#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
"PCI",
"I2C (Addr 0x52)",
};
+static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' };
#endif
#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
"PCI",
"I2C (Addr 0x52)",
};
+static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' };
#endif
#if defined(CONFIG_405EZ)
"SPI (slow)",
"I2C (Addr 0x50)",
};
+static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', \
+ 'I', 'x', 'K', 'L', 'M', 'N', 'O', 'P' };
#endif
#if defined(SDR0_PINSTP_SHIFT)
printf (" I2C boot EEPROM %sabled\n", i2c_bootrom_enabled() ? "en" : "dis");
#endif /* I2C_BOOTROM */
#if defined(SDR0_PINSTP_SHIFT)
- printf (" Bootstrap Option %c - ", (char)bootstrap_option() + 'A');
+ printf (" Bootstrap Option %c - ", bootstrap_char[bootstrap_option()]);
printf ("Boot ROM Location %s\n", bootstrap_str[bootstrap_option()]);
#endif /* SDR0_PINSTP_SHIFT */
* Platform independend driver for NDFC (NanD Flash Controller)
* integrated into EP440 cores
*
- * (C) Copyright 2006
+ * (C) Copyright 2006-2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* Based on original work by
#if (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CFG_NAND_LEGACY) && \
(defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
- defined(CONFIG_440EPX) || defined(CONFIG_440GRX))
+ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+ defined(CONFIG_405EZ))
#include <nand.h>
#include <linux/mtd/ndfc.h>
+#include <linux/mtd/nand_ecc.h>
#include <asm/processor.h>
-#include <ppc440.h>
+#include <asm/io.h>
+#include <ppc4xx.h>
static u8 hwctl = 0;
ulong base = (ulong) this->IO_ADDR_W & 0xfffffffc;
if (hwctl & 0x1)
- out8(base + NDFC_CMD, byte);
+ out_8((u8 *)(base + NDFC_CMD), byte);
else if (hwctl & 0x2)
- out8(base + NDFC_ALE, byte);
+ out_8((u8 *)(base + NDFC_ALE), byte);
else
- out8(base + NDFC_DATA, byte);
+ out_8((u8 *)(base + NDFC_DATA), byte);
}
static u_char ndfc_read_byte(struct mtd_info *mtdinfo)
struct nand_chip *this = mtdinfo->priv;
ulong base = (ulong) this->IO_ADDR_W & 0xfffffffc;
- return (in8(base + NDFC_DATA));
+ return (in_8((u8 *)(base + NDFC_DATA)));
}
static int ndfc_dev_ready(struct mtd_info *mtdinfo)
struct nand_chip *this = mtdinfo->priv;
ulong base = (ulong) this->IO_ADDR_W & 0xfffffffc;
- while (!(in32(base + NDFC_STAT) & NDFC_STAT_IS_READY))
+ while (!(in_be32((u32 *)(base + NDFC_STAT)) & NDFC_STAT_IS_READY))
;
return 1;
}
-#ifndef CONFIG_NAND_SPL
-/*
- * Don't use these speedup functions in NAND boot image, since the image
- * has to fit into 4kByte.
- */
+static void ndfc_enable_hwecc(struct mtd_info *mtdinfo, int mode)
+{
+ struct nand_chip *this = mtdinfo->priv;
+ ulong base = (ulong) this->IO_ADDR_W & 0xfffffffc;
+ u32 ccr;
+
+ ccr = in_be32((u32 *)(base + NDFC_CCR));
+ ccr |= NDFC_CCR_RESET_ECC;
+ out_be32((u32 *)(base + NDFC_CCR), ccr);
+}
+
+static int ndfc_calculate_ecc(struct mtd_info *mtdinfo,
+ const u_char *dat, u_char *ecc_code)
+{
+ struct nand_chip *this = mtdinfo->priv;
+ ulong base = (ulong) this->IO_ADDR_W & 0xfffffffc;
+ u32 ecc;
+ u8 *p = (u8 *)&ecc;
+
+ ecc = in_be32((u32 *)(base + NDFC_ECC));
+
+ /* The NDFC uses Smart Media (SMC) bytes order
+ */
+ ecc_code[0] = p[2];
+ ecc_code[1] = p[1];
+ ecc_code[2] = p[3];
+
+ return 0;
+}
/*
* Speedups for buffer read/write/verify
uint32_t *p = (uint32_t *) buf;
for (;len > 0; len -= 4)
- *p++ = in32(base + NDFC_DATA);
+ *p++ = in_be32((u32 *)(base + NDFC_DATA));
}
+#ifndef CONFIG_NAND_SPL
+/*
+ * Don't use these speedup functions in NAND boot image, since the image
+ * has to fit into 4kByte.
+ */
static void ndfc_write_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
{
struct nand_chip *this = mtdinfo->priv;
uint32_t *p = (uint32_t *) buf;
for (; len > 0; len -= 4)
- out32(base + NDFC_DATA, *p++);
+ out_be32((u32 *)(base + NDFC_DATA), *p++);
}
static int ndfc_verify_buf(struct mtd_info *mtdinfo, const uint8_t *buf, int len)
uint32_t *p = (uint32_t *) buf;
for (; len > 0; len -= 4)
- if (*p++ != in32(base + NDFC_DATA))
+ if (*p++ != in_be32((u32 *)(base + NDFC_DATA)))
return -1;
return 0;
ulong base = (ulong)nand->IO_ADDR_W & 0xfffffffc;
/* Set NandFlash Core Configuration Register */
- /* 1col x 2 rows */
- out32(base + NDFC_CCR, 0x00000000 | (cs << 24));
+ /* 1 col x 2 rows */
+ out_be32((u32 *)(base + NDFC_CCR), 0x00000000 | (cs << 24));
}
int board_nand_init(struct nand_chip *nand)
int cs = (ulong)nand->IO_ADDR_W & 0x00000003;
ulong base = (ulong)nand->IO_ADDR_W & 0xfffffffc;
- nand->eccmode = NAND_ECC_SOFT;
-
nand->hwcontrol = ndfc_hwcontrol;
nand->read_byte = ndfc_read_byte;
+ nand->read_buf = ndfc_read_buf;
nand->write_byte = ndfc_write_byte;
nand->dev_ready = ndfc_dev_ready;
+ nand->eccmode = NAND_ECC_HW3_256;
+ nand->enable_hwecc = ndfc_enable_hwecc;
+ nand->calculate_ecc = ndfc_calculate_ecc;
+ nand->correct_data = nand_correct_data;
+
#ifndef CONFIG_NAND_SPL
nand->write_buf = ndfc_write_buf;
- nand->read_buf = ndfc_read_buf;
nand->verify_buf = ndfc_verify_buf;
#else
/*
* Setup EBC (CS0 only right now)
*/
- mtdcr(ebccfga, xbcfg);
- mtdcr(ebccfgd, 0xb8400000);
+ mtebc(EBC0_CFG, 0xb8400000);
mtebc(pb0cr, CFG_EBC_PB0CR);
mtebc(pb0ap, CFG_EBC_PB0AP);
* Select required NAND chip in NDFC
*/
board_nand_select_device(nand, cs);
- out32(base + NDFC_BCFG0 + (cs << 2), 0x80002222);
+ out_be32((u32 *)(base + NDFC_BCFG0 + (cs << 2)), 0x80002222);
return 0;
}
# endif
#endif /* CFG_INIT_DCACHE_CS */
+#define function_prolog(func_name) .text; \
+ .align 2; \
+ .globl func_name; \
+ func_name:
+#define function_epilog(func_name) .type func_name,@function; \
+ .size func_name,.-func_name
+
/* We don't want the MMU yet.
*/
#undef MSR_KERNEL
* NAND U-Boot image is started from offset 0
*/
.text
+#if defined(CONFIG_440)
bl reconfig_tlb0
+#endif
GET_GOT
bl cpu_init_f /* run low-level CPU init code (from Flash) */
bl board_init_f
2:
#if defined(CONFIG_NAND_SPL)
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
/*
- * Enable internal SRAM
+ * Enable internal SRAM (only on 440EPx/GRx, 440EP/GR have no OCM)
*/
lis r2,0x7fff
ori r2,r2,0xffff
mfdcr r1,isram0_pmeg
and r1,r1,r2 /* Disable pwr mgmt */
mtdcr isram0_pmeg,r1
+#endif
+#if defined(CONFIG_440EP)
+ /*
+ * On 440EP with no internal SRAM, we setup SDRAM very early
+ * and copy the NAND_SPL to SDRAM and jump to it
+ */
+ /* Clear Dcache to use as RAM */
+ addis r3,r0,CFG_INIT_RAM_ADDR@h
+ ori r3,r3,CFG_INIT_RAM_ADDR@l
+ addis r4,r0,CFG_INIT_RAM_END@h
+ ori r4,r4,CFG_INIT_RAM_END@l
+ rlwinm. r5,r4,0,27,31
+ rlwinm r5,r4,27,5,31
+ beq ..d_ran3
+ addi r5,r5,0x0001
+..d_ran3:
+ mtctr r5
+..d_ag3:
+ dcbz r0,r3
+ addi r3,r3,32
+ bdnz ..d_ag3
+ /*----------------------------------------------------------------*/
+ /* Setup the stack in internal SRAM */
+ /*----------------------------------------------------------------*/
+ lis r1,CFG_INIT_RAM_ADDR@h
+ ori r1,r1,CFG_INIT_SP_OFFSET@l
+ li r0,0
+ stwu r0,-4(r1)
+ stwu r0,-4(r1) /* Terminate call chain */
+
+ stwu r1,-8(r1) /* Save back chain and move SP */
+ lis r0,RESET_VECTOR@h /* Address of reset vector */
+ ori r0,r0, RESET_VECTOR@l
+ stwu r1,-8(r1) /* Save back chain and move SP */
+ stw r0,+12(r1) /* Save return addr (underflow vect) */
+ sync
+ bl early_sdram_init
+ sync
+#endif /* CONFIG_440EP */
/*
* Copy SPL from cache into internal SRAM
start_ram:
sync
isync
-#endif
+#endif /* CONFIG_NAND_SPL */
bl 3f
b _start
mtdcr ocmdscr2, r3 /* Set Data Side */
mtdcr ocmiscr2, r3 /* Set Instruction Side */
addis r3,0,0x0800 /* OCM Data Parity Disable - 1 Wait State */
- mtdcr ocmdsisdpc,r4
+ mtdcr ocmdsisdpc,r3
isync
#else /* CONFIG_405EZ */
#endif /* CONFIG_405EZ */
#endif
+#ifdef CONFIG_NAND_SPL
+ /*
+ * Copy SPL from cache into internal SRAM
+ */
+ li r4,(CFG_NAND_BOOT_SPL_SIZE >> 2) - 1
+ mtctr r4
+ lis r2,CFG_NAND_BOOT_SPL_SRC@h
+ ori r2,r2,CFG_NAND_BOOT_SPL_SRC@l
+ lis r3,CFG_NAND_BOOT_SPL_DST@h
+ ori r3,r3,CFG_NAND_BOOT_SPL_DST@l
+spl_loop:
+ lwzu r4,4(r2)
+ stwu r4,4(r3)
+ bdnz spl_loop
+
+ /*
+ * Jump to code in RAM
+ */
+ bl 00f
+00: mflr r10
+ lis r3,(CFG_NAND_BOOT_SPL_SRC - CFG_NAND_BOOT_SPL_DST)@h
+ ori r3,r3,(CFG_NAND_BOOT_SPL_SRC - CFG_NAND_BOOT_SPL_DST)@l
+ sub r10,r10,r3
+ addi r10,r10,28
+ mtlr r10
+ blr
+
+start_ram:
+ sync
+ isync
+#endif /* CONFIG_NAND_SPL */
+
/*----------------------------------------------------------------------- */
/* Setup temporary stack in DCACHE or OCM if needed for SDRAM SPD. */
/*----------------------------------------------------------------------- */
stw r0, +12(r1) /* Save return addr (underflow vect) */
#endif /* !(CFG_INIT_DCACHE_CS || !CFG_TEM_STACK_OCM) */
+#ifdef CONFIG_NAND_SPL
+ bl nand_boot /* will not return */
+#else
GET_GOT /* initialize GOT access */
bl cpu_init_f /* run low-level CPU init code (from Flash) */
/* NEVER RETURNS! */
bl board_init_f /* run first part of init code (from Flash) */
+#endif /* CONFIG_NAND_SPL */
#endif /* CONFIG_405GP || CONFIG_405CR || CONFIG_405 || CONFIG_405EP */
/*----------------------------------------------------------------------- */
lwz r1,GPR1(r1)
SYNC
rfci
-#endif /* CONFIG_NAND_SPL */
/* Cache functions.
*/
-invalidate_icache:
- iccci r0,r0 /* for 405, iccci invalidates the */
- blr /* entire I cache */
-
-invalidate_dcache:
- addi r6,0,0x0000 /* clear GPR 6 */
- /* Do loop for # of dcache congruence classes. */
- lis r7, (CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@ha /* TBS for large sized cache */
- ori r7, r7, (CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@l
- /* NOTE: dccci invalidates both */
- mtctr r7 /* ways in the D cache */
-..dcloop:
- dccci 0,r6 /* invalidate line */
- addi r6,r6, CFG_CACHELINE_SIZE /* bump to next line */
- bdnz ..dcloop
- blr
-
flush_dcache:
addis r9,r0,0x0002 /* set mask for EE and CE msr bits */
ori r9,r9,0x8000
blr
/*------------------------------------------------------------------------------- */
-/* Function: in8 */
-/* Description: Input 8 bits */
-/*------------------------------------------------------------------------------- */
- .globl in8
-in8:
- lbz r3,0x0000(r3)
- blr
-
-/*------------------------------------------------------------------------------- */
-/* Function: out8 */
-/* Description: Output 8 bits */
-/*------------------------------------------------------------------------------- */
- .globl out8
-out8:
- stb r4,0x0000(r3)
- blr
-
-/*------------------------------------------------------------------------------- */
/* Function: out16 */
/* Description: Output 16 bits */
/*------------------------------------------------------------------------------- */
blr
/*------------------------------------------------------------------------------- */
-/* Function: out32 */
-/* Description: Output 32 bits */
-/*------------------------------------------------------------------------------- */
- .globl out32
-out32:
- stw r4,0x0000(r3)
- blr
-
-/*------------------------------------------------------------------------------- */
/* Function: out32r */
/* Description: Byte reverse and output 32 bits */
/*------------------------------------------------------------------------------- */
blr
/*------------------------------------------------------------------------------- */
-/* Function: in32 */
-/* Description: Input 32 bits */
-/*------------------------------------------------------------------------------- */
- .globl in32
-in32:
- lwz 3,0x0000(3)
- blr
-
-/*------------------------------------------------------------------------------- */
/* Function: in32r */
/* Description: Input 32 bits and byte reverse */
/*------------------------------------------------------------------------------- */
sync
blr
-/*------------------------------------------------------------------------------*/
-
-#ifndef CONFIG_NAND_SPL
/*
* void relocate_code (addr_sp, gd, addr_moni)
*
stw r0, 4(r7)
blr
+
+#if defined(CONFIG_440)
+/*----------------------------------------------------------------------------+
+| dcbz_area.
++----------------------------------------------------------------------------*/
+ function_prolog(dcbz_area)
+ rlwinm. r5,r4,0,27,31
+ rlwinm r5,r4,27,5,31
+ beq ..d_ra2
+ addi r5,r5,0x0001
+..d_ra2:mtctr r5
+..d_ag2:dcbz r0,r3
+ addi r3,r3,32
+ bdnz ..d_ag2
+ sync
+ blr
+ function_epilog(dcbz_area)
+
+/*----------------------------------------------------------------------------+
+| dflush. Assume 32K at vector address is cachable.
++----------------------------------------------------------------------------*/
+ function_prolog(dflush)
+ mfmsr r9
+ rlwinm r8,r9,0,15,13
+ rlwinm r8,r8,0,17,15
+ mtmsr r8
+ addi r3,r0,0x0000
+ mtspr dvlim,r3
+ mfspr r3,ivpr
+ addi r4,r0,1024
+ mtctr r4
+..dflush_loop:
+ lwz r6,0x0(r3)
+ addi r3,r3,32
+ bdnz ..dflush_loop
+ addi r3,r3,-32
+ mtctr r4
+..ag: dcbf r0,r3
+ addi r3,r3,-32
+ bdnz ..ag
+ sync
+ mtmsr r9
+ blr
+ function_epilog(dflush)
+#endif /* CONFIG_440 */
#endif /* CONFIG_NAND_SPL */
+/*------------------------------------------------------------------------------- */
+/* Function: in8 */
+/* Description: Input 8 bits */
+/*------------------------------------------------------------------------------- */
+ .globl in8
+in8:
+ lbz r3,0x0000(r3)
+ blr
+
+/*------------------------------------------------------------------------------- */
+/* Function: out8 */
+/* Description: Output 8 bits */
+/*------------------------------------------------------------------------------- */
+ .globl out8
+out8:
+ stb r4,0x0000(r3)
+ blr
+
+/*------------------------------------------------------------------------------- */
+/* Function: out32 */
+/* Description: Output 32 bits */
+/*------------------------------------------------------------------------------- */
+ .globl out32
+out32:
+ stw r4,0x0000(r3)
+ blr
+
+/*------------------------------------------------------------------------------- */
+/* Function: in32 */
+/* Description: Input 32 bits */
+/*------------------------------------------------------------------------------- */
+ .globl in32
+in32:
+ lwz 3,0x0000(3)
+ blr
+
+invalidate_icache:
+ iccci r0,r0 /* for 405, iccci invalidates the */
+ blr /* entire I cache */
+
+invalidate_dcache:
+ addi r6,0,0x0000 /* clear GPR 6 */
+ /* Do loop for # of dcache congruence classes. */
+ lis r7, (CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@ha /* TBS for large sized cache */
+ ori r7, r7, (CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@l
+ /* NOTE: dccci invalidates both */
+ mtctr r7 /* ways in the D cache */
+..dcloop:
+ dccci 0,r6 /* invalidate line */
+ addi r6,r6, CFG_CACHELINE_SIZE /* bump to next line */
+ bdnz ..dcloop
+ blr
/**************************************************************************/
/* PPC405EP specific stuff */
#endif /* CONFIG_405EP */
#if defined(CONFIG_440)
-#define function_prolog(func_name) .text; \
- .align 2; \
- .globl func_name; \
- func_name:
-#define function_epilog(func_name) .type func_name,@function; \
- .size func_name,.-func_name
-
/*----------------------------------------------------------------------------+
| mttlb3.
+----------------------------------------------------------------------------*/
TLBRE(3,3,0)
blr
function_epilog(mftlb1)
-
-/*----------------------------------------------------------------------------+
-| dcbz_area.
-+----------------------------------------------------------------------------*/
- function_prolog(dcbz_area)
- rlwinm. r5,r4,0,27,31
- rlwinm r5,r4,27,5,31
- beq ..d_ra2
- addi r5,r5,0x0001
-..d_ra2:mtctr r5
-..d_ag2:dcbz r0,r3
- addi r3,r3,32
- bdnz ..d_ag2
- sync
- blr
- function_epilog(dcbz_area)
-
-/*----------------------------------------------------------------------------+
-| dflush. Assume 32K at vector address is cachable.
-+----------------------------------------------------------------------------*/
- function_prolog(dflush)
- mfmsr r9
- rlwinm r8,r9,0,15,13
- rlwinm r8,r8,0,17,15
- mtmsr r8
- addi r3,r0,0x0000
- mtspr dvlim,r3
- mfspr r3,ivpr
- addi r4,r0,1024
- mtctr r4
-..dflush_loop:
- lwz r6,0x0(r3)
- addi r3,r3,32
- bdnz ..dflush_loop
- addi r3,r3,-32
- mtctr r4
-..ag: dcbf r0,r3
- addi r3,r3,-32
- bdnz ..ag
- sync
- mtmsr r9
- blr
- function_epilog(dflush)
#endif /* CONFIG_440 */
#if (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CFG_NAND_LEGACY)
#include<linux/mtd/mtd.h>
+
+/*
+ * NAND-SPL has no sofware ECC for now, so don't include nand_calculate_ecc(),
+ * only nand_correct_data() is needed
+ */
+
+#ifndef CONFIG_NAND_SPL
/*
* Pre-calculated 256-way 1 byte column parity
*/
0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00
};
-
-/**
- * nand_trans_result - [GENERIC] create non-inverted ECC
- * @reg2: line parity reg 2
- * @reg3: line parity reg 3
- * @ecc_code: ecc
- *
- * 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;
-}
-
/**
- * nand_calculate_ecc - [NAND Interface] Calculate 3 byte ECC code for 256 byte block
+ * nand_calculate_ecc - [NAND Interface] Calculate 3-byte ECC for 256-byte block
* @mtd: MTD block structure
* @dat: raw data
* @ecc_code: buffer for ECC
*/
-int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code)
+int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
+ u_char *ecc_code)
{
- u_char idx, reg1, reg2, reg3;
- int j;
+ uint8_t idx, reg1, reg2, reg3, tmp1, tmp2;
+ int i;
/* 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++) {
-
+ for(i = 0; i < 256; i++) {
/* Get CP0 - CP5 from table */
- idx = nand_ecc_precalc_table[dat[j]];
+ idx = nand_ecc_precalc_table[*dat++];
reg1 ^= (idx & 0x3f);
/* All bit XOR = 1 ? */
if (idx & 0x40) {
- reg3 ^= (u_char) j;
- reg2 ^= ~((u_char) j);
+ reg3 ^= (uint8_t) i;
+ reg2 ^= ~((uint8_t) i);
}
}
/* Create non-inverted ECC code from line parity */
- nand_trans_result(reg2, reg3, ecc_code);
+ tmp1 = (reg3 & 0x80) >> 0; /* B7 -> B7 */
+ tmp1 |= (reg2 & 0x80) >> 1; /* B7 -> B6 */
+ tmp1 |= (reg3 & 0x40) >> 1; /* B6 -> B5 */
+ tmp1 |= (reg2 & 0x40) >> 2; /* B6 -> B4 */
+ tmp1 |= (reg3 & 0x20) >> 2; /* B5 -> B3 */
+ tmp1 |= (reg2 & 0x20) >> 3; /* B5 -> B2 */
+ tmp1 |= (reg3 & 0x10) >> 3; /* B4 -> B1 */
+ tmp1 |= (reg2 & 0x10) >> 4; /* B4 -> B0 */
+
+ tmp2 = (reg3 & 0x08) << 4; /* B3 -> B7 */
+ tmp2 |= (reg2 & 0x08) << 3; /* B3 -> B6 */
+ tmp2 |= (reg3 & 0x04) << 3; /* B2 -> B5 */
+ tmp2 |= (reg2 & 0x04) << 2; /* B2 -> B4 */
+ tmp2 |= (reg3 & 0x02) << 2; /* B1 -> B3 */
+ tmp2 |= (reg2 & 0x02) << 1; /* B1 -> B2 */
+ tmp2 |= (reg3 & 0x01) << 1; /* B0 -> B1 */
+ tmp2 |= (reg2 & 0x01) << 0; /* B7 -> B0 */
/* Calculate final ECC code */
- ecc_code[0] = ~ecc_code[0];
- ecc_code[1] = ~ecc_code[1];
+#ifdef CONFIG_MTD_NAND_ECC_SMC
+ ecc_code[0] = ~tmp2;
+ ecc_code[1] = ~tmp1;
+#else
+ ecc_code[0] = ~tmp1;
+ ecc_code[1] = ~tmp2;
+#endif
ecc_code[2] = ((~reg1) << 2) | 0x03;
+
return 0;
}
+#endif /* CONFIG_NAND_SPL */
+
+static inline int countbits(uint32_t byte)
+{
+ int res = 0;
+
+ for (;byte; byte >>= 1)
+ res += byte & 0x01;
+ return res;
+}
/**
* nand_correct_data - [NAND Interface] Detect and correct bit error(s)
*
* Detect and correct a 1 bit error for 256 byte block
*/
-int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc)
+int nand_correct_data(struct mtd_info *mtd, u_char *dat,
+ u_char *read_ecc, u_char *calc_ecc)
{
- u_char a, b, c, d1, d2, d3, add, bit, i;
+ uint8_t s0, s1, s2;
+
+#ifdef CONFIG_MTD_NAND_ECC_SMC
+ s0 = calc_ecc[0] ^ read_ecc[0];
+ s1 = calc_ecc[1] ^ read_ecc[1];
+ s2 = calc_ecc[2] ^ read_ecc[2];
+#else
+ s1 = calc_ecc[0] ^ read_ecc[0];
+ s0 = calc_ecc[1] ^ read_ecc[1];
+ s2 = calc_ecc[2] ^ read_ecc[2];
+#endif
+ if ((s0 | s1 | s2) == 0)
+ return 0;
- /* Do error detection */
- d1 = calc_ecc[0] ^ read_ecc[0];
- d2 = calc_ecc[1] ^ read_ecc[1];
- d3 = calc_ecc[2] ^ read_ecc[2];
+ /* Check for a single bit error */
+ if( ((s0 ^ (s0 >> 1)) & 0x55) == 0x55 &&
+ ((s1 ^ (s1 >> 1)) & 0x55) == 0x55 &&
+ ((s2 ^ (s2 >> 1)) & 0x54) == 0x54) {
- 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;
- }
- }
+ uint32_t byteoffs, bitnum;
+
+ byteoffs = (s1 << 0) & 0x80;
+ byteoffs |= (s1 << 1) & 0x40;
+ byteoffs |= (s1 << 2) & 0x20;
+ byteoffs |= (s1 << 3) & 0x10;
+
+ byteoffs |= (s0 >> 4) & 0x08;
+ byteoffs |= (s0 >> 3) & 0x04;
+ byteoffs |= (s0 >> 2) & 0x02;
+ byteoffs |= (s0 >> 1) & 0x01;
+
+ bitnum = (s2 >> 5) & 0x04;
+ bitnum |= (s2 >> 4) & 0x02;
+ bitnum |= (s2 >> 3) & 0x01;
+
+ dat[byteoffs] ^= (1 << bitnum);
+
+ return 1;
}
- /* Should never happen */
+ if(countbits(s0 | ((uint32_t)s1 << 8) | ((uint32_t)s2 <<16)) == 1)
+ return 1;
+
return -1;
}
__asm__ __volatile__ ("sync" : : : "memory");
}
+static inline void isync(void)
+{
+ __asm__ __volatile__ ("isync" : : : "memory");
+}
+
/* Enforce in-order execution of data I/O.
* No distinction between read/write on PPC; use eieio for all three.
*/
/*
* 8, 16 and 32 bit, big and little endian I/O operations, with barrier.
+ *
+ * Read operations have additional twi & isync to make sure the read
+ * is actually performed (i.e. the data has come back) before we start
+ * executing any following instructions.
*/
-extern inline int in_8(volatile u8 *addr)
+#define __iomem
+extern inline int in_8(const volatile unsigned char __iomem *addr)
{
- int ret;
+ int ret;
- __asm__ __volatile__("lbz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
- return ret;
+ __asm__ __volatile__(
+ "sync; lbz%U1%X1 %0,%1;\n"
+ "twi 0,%0,0;\n"
+ "isync" : "=r" (ret) : "m" (*addr));
+ return ret;
}
-extern inline void out_8(volatile u8 *addr, int val)
+extern inline void out_8(volatile unsigned char __iomem *addr, int val)
{
- __asm__ __volatile__("stb%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+ __asm__ __volatile__("stb%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
}
-extern inline int in_le16(volatile u16 *addr)
+extern inline int in_le16(const volatile unsigned short __iomem *addr)
{
- int ret;
+ int ret;
- __asm__ __volatile__("lhbrx %0,0,%1; eieio" : "=r" (ret) :
- "r" (addr), "m" (*addr));
- return ret;
+ __asm__ __volatile__("sync; lhbrx %0,0,%1;\n"
+ "twi 0,%0,0;\n"
+ "isync" : "=r" (ret) :
+ "r" (addr), "m" (*addr));
+ return ret;
}
-extern inline int in_be16(volatile u16 *addr)
+extern inline int in_be16(const volatile unsigned short __iomem *addr)
{
- int ret;
+ int ret;
- __asm__ __volatile__("lhz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
- return ret;
+ __asm__ __volatile__("sync; lhz%U1%X1 %0,%1;\n"
+ "twi 0,%0,0;\n"
+ "isync" : "=r" (ret) : "m" (*addr));
+ return ret;
}
-extern inline void out_le16(volatile u16 *addr, int val)
+extern inline void out_le16(volatile unsigned short __iomem *addr, int val)
{
- __asm__ __volatile__("sthbrx %1,0,%2; eieio" : "=m" (*addr) :
- "r" (val), "r" (addr));
+ __asm__ __volatile__("sync; sthbrx %1,0,%2" : "=m" (*addr) :
+ "r" (val), "r" (addr));
}
-extern inline void out_be16(volatile u16 *addr, int val)
+extern inline void out_be16(volatile unsigned short __iomem *addr, int val)
{
- __asm__ __volatile__("sth%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+ __asm__ __volatile__("sync; sth%U0%X0 %1,%0" : "=m" (*addr) : "r" (val));
}
-extern inline unsigned in_le32(volatile u32 *addr)
+extern inline unsigned in_le32(const volatile unsigned __iomem *addr)
{
- unsigned ret;
+ unsigned ret;
- __asm__ __volatile__("lwbrx %0,0,%1; eieio" : "=r" (ret) :
- "r" (addr), "m" (*addr));
- return ret;
+ __asm__ __volatile__("sync; lwbrx %0,0,%1;\n"
+ "twi 0,%0,0;\n"
+ "isync" : "=r" (ret) :
+ "r" (addr), "m" (*addr));
+ return ret;
}
-extern inline unsigned in_be32(volatile u32 *addr)
+extern inline unsigned in_be32(const volatile unsigned __iomem *addr)
{
- unsigned ret;
+ unsigned ret;
- __asm__ __volatile__("lwz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
- return ret;
+ __asm__ __volatile__("sync; lwz%U1%X1 %0,%1;\n"
+ "twi 0,%0,0;\n"
+ "isync" : "=r" (ret) : "m" (*addr));
+ return ret;
}
-extern inline void out_le32(volatile unsigned *addr, int val)
+extern inline void out_le32(volatile unsigned __iomem *addr, int val)
{
- __asm__ __volatile__("stwbrx %1,0,%2; eieio" : "=m" (*addr) :
- "r" (val), "r" (addr));
+ __asm__ __volatile__("sync; stwbrx %1,0,%2" : "=m" (*addr) :
+ "r" (val), "r" (addr));
}
-extern inline void out_be32(volatile unsigned *addr, int val)
+extern inline void out_be32(volatile unsigned __iomem *addr, int val)
{
- __asm__ __volatile__("stw%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+ __asm__ __volatile__("sync; stw%U0%X0 %1,%0" : "=m" (*addr) : "r" (val));
}
#endif
/*
* IPB Bus clocking configuration.
*/
-#define CFG_IPBSPEED_133 /* define for 133MHz speed */
+#define CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
/*
* PCI Bus clocking configuration
*
* Actually a PCI Clock of 66 MHz is only set (in cpu_init.c) if
- * CFG_IPBSPEED_133 is defined. This is because a PCI Clock of 66 MHz yet
- * hasn't been tested with a IPB Bus Clock of 66 MHz.
+ * CFG_IPBCLK_EQUALS_XLBCLK is defined. This is because a PCI Clock
+ * of 66 MHz yet hasn't been tested with a IPB Bus Clock of 66 MHz.
*/
-#if defined(CFG_IPBSPEED_133)
-# define CFG_PCISPEED_66 /* define for 66MHz speed */
+#if defined(CFG_IPBCLK_EQUALS_XLBCLK)
+# define CFG_PCICLK_EQUALS_IPBCLK_DIV2 /* define for 66MHz speed */
#endif
/*
#define CFG_BOOTCS_START CFG_FLASH_BASE
#define CFG_BOOTCS_SIZE CFG_FLASH_SIZE
-#ifdef CFG_PCISPEED_66
+#ifdef CFG_PCICLK_EQUALS_IPBCLK_DIV2
# define CFG_BOOTCS_CFG 0x0008DF30 /* for pci_clk = 66 MHz */
#else
# define CFG_BOOTCS_CFG 0x0004DF30 /* for pci_clk = 33 MHz */
* IPB Bus clocking configuration.
*/
#if defined(CONFIG_LITE5200B)
-#define CFG_IPBSPEED_133 /* define for 133MHz speed */
+#define CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
#else
-#undef CFG_IPBSPEED_133 /* define for 133MHz speed */
+#undef CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
#endif
#endif /* CONFIG_MPC5200 */
/*
* IPB Bus clocking configuration.
*/
-#undef CFG_IPBSPEED_133 /* define for 133MHz speed */
+#undef CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
#endif
/*
* I2C configuration
/*
* IPB Bus clocking configuration.
*/
-#define CFG_IPBSPEED_133 /* define for 133MHz speed */
+#define CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
-#if defined(CFG_IPBSPEED_133)
+#if defined(CFG_IPBCLK_EQUALS_XLBCLK)
/*
* PCI Bus clocking configuration
*
* Actually a PCI Clock of 66 MHz is only set (in cpu_init.c) if
- * CFG_IPBSPEED_133 is defined. This is because a PCI Clock of 66 MHz yet hasn't
- * been tested with a IPB Bus Clock of 66 MHz.
+ * CFG_IPBCLK_EQUALS_XLBCLK is defined. This is because a PCI Clock
+ * of 66 MHz yet hasn't been tested with a IPB Bus Clock of 66 MHz.
*/
-#define CFG_PCISPEED_66 /* define for 66MHz speed */
+#define CFG_PCICLK_EQUALS_IPBCLK_DIV2 /* define for 66MHz speed */
#endif
/*
#define CFG_BOOTCS_START CFG_FLASH_BASE
#define CFG_BOOTCS_SIZE CFG_FLASH_SIZE
-#ifdef CFG_PCISPEED_66
+#ifdef CFG_PCICLK_EQUALS_IPBCLK_DIV2
#define CFG_BOOTCS_CFG 0x0008DF30 /* for pci_clk = 66 MHz */
#else
#define CFG_BOOTCS_CFG 0x0004DF30 /* for pci_clk = 33 MHz */
/*
* IPB Bus clocking configuration.
*/
-#undef CFG_IPBSPEED_133 /* define for 133MHz speed */
+#undef CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
/*
* I2C configuration
/*
* IPB Bus clocking configuration.
*/
-#define CFG_IPBSPEED_133 /* define for 133MHz speed */
+#define CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
-#if defined(CFG_IPBSPEED_133) && !defined(CONFIG_CAM5200)
+#if defined(CFG_IPBCLK_EQUALS_XLBCLK) && !defined(CONFIG_CAM5200)
/*
* PCI Bus clocking configuration
*
* Actually a PCI Clock of 66 MHz is only set (in cpu_init.c) if
- * CFG_IPBSPEED_133 is defined. This is because a PCI Clock of 66 MHz yet hasn't
- * been tested with a IPB Bus Clock of 66 MHz.
+ * CFG_IPBCLK_EQUALS_XLBCLK is defined. This is because a PCI Clock of
+ * 66 MHz yet hasn't been tested with a IPB Bus Clock of 66 MHz.
*/
-#define CFG_PCISPEED_66 /* define for 66MHz speed */
+#define CFG_PCICLK_EQUALS_IPBCLK_DIV2 /* define for 66MHz speed */
#endif
/*
#define CFG_BOOTCS_START CFG_FLASH_BASE
#define CFG_BOOTCS_SIZE CFG_FLASH_SIZE
-#ifdef CFG_PCISPEED_66
+#ifdef CFG_PCICLK_EQUALS_IPBCLK_DIV2
#define CFG_BOOTCS_CFG 0x0008DF30 /* for pci_clk = 66 MHz */
#else
#define CFG_BOOTCS_CFG 0x0004DF30 /* for pci_clk = 33 MHz */
/*
* IPB Bus clocking configuration.
*/
-#undef CFG_IPBSPEED_133 /* define for 133MHz speed */
+#undef CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
#endif
/*
#define CONFIG_ACADIA 1 /* Board is Acadia */
#define CONFIG_4xx 1 /* ... PPC4xx family */
#define CONFIG_405EZ 1 /* Specifc 405EZ support*/
-#define CONFIG_SYS_CLK_FREQ 66666666 /* external freq to pll */
+/* Detect Acadia PLL input clock automatically via CPLD bit */
+#define CONFIG_SYS_CLK_FREQ ((in8(CFG_CPLD_BASE + 0) == 0x0c) ? \
+ 66666666 : 33333000)
#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
#define CONFIG_MISC_INIT_F 1 /* Call misc_init_f */
/*-----------------------------------------------------------------------
* FLASH related
*----------------------------------------------------------------------*/
+#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
#define CFG_FLASH_CFI /* The flash is CFI compatible */
#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
+#define _CFG_CMD_INCLUDE (CFG_CMD_ALL)
+#else
+#define CFG_NO_FLASH 1 /* No NOR on Acadia when NAND-booting */
+#define _CFG_CMD_INCLUDE ((CFG_CMD_ALL) & ~(CFG_CMD_FLASH | CFG_CMD_IMLS))
+#endif
+
#ifdef CFG_ENV_IS_IN_FLASH
#define CFG_ENV_SECT_SIZE 0x40000 /* size of one complete sector */
#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
#endif
+/*
+ * IPL (Initial Program Loader, integrated inside CPU)
+ * Will load first 4k from NAND (SPL) into cache and execute it from there.
+ *
+ * SPL (Secondary Program Loader)
+ * Will load special U-Boot version (NUB) from NAND and execute it. This SPL
+ * has to fit into 4kByte. It sets up the CPU and configures the SDRAM
+ * controller and the NAND controller so that the special U-Boot image can be
+ * loaded from NAND to SDRAM.
+ *
+ * NUB (NAND U-Boot)
+ * This NAND U-Boot (NUB) is a special U-Boot version which can be started
+ * from RAM. Therefore it mustn't (re-)configure the SDRAM controller.
+ *
+ * On 440EPx the SPL is copied to SDRAM before the NAND controller is
+ * set up. While still running from cache, I experienced problems accessing
+ * the NAND controller. sr - 2006-08-25
+ */
+#define CFG_NAND_BOOT_SPL_SRC 0xfffff000 /* SPL location */
+#define CFG_NAND_BOOT_SPL_SIZE (4 << 10) /* SPL size */
+#define CFG_NAND_BOOT_SPL_DST (CFG_OCM_DATA_ADDR + (12 << 10)) /* Copy SPL here*/
+#define CFG_NAND_U_BOOT_DST 0x01000000 /* Load NUB to this addr */
+#define CFG_NAND_U_BOOT_START CFG_NAND_U_BOOT_DST /* Start NUB from this addr */
+#define CFG_NAND_BOOT_SPL_DELTA (CFG_NAND_BOOT_SPL_SRC - CFG_NAND_BOOT_SPL_DST)
+
+/*
+ * Define the partitioning of the NAND chip (only RAM U-Boot is needed here)
+ */
+#define CFG_NAND_U_BOOT_OFFS (16 << 10) /* Offset to RAM U-Boot image */
+#define CFG_NAND_U_BOOT_SIZE (384 << 10) /* Size of RAM U-Boot image */
+
+/*
+ * Now the NAND chip has to be defined (no autodetection used!)
+ */
+#define CFG_NAND_PAGE_SIZE 512 /* NAND chip page size */
+#define CFG_NAND_BLOCK_SIZE (16 << 10) /* NAND chip block size */
+#define CFG_NAND_PAGE_COUNT 32 /* NAND chip page count */
+#define CFG_NAND_BAD_BLOCK_POS 5 /* Location of bad block marker */
+#undef CFG_NAND_4_ADDR_CYCLE /* No fourth addr used (<=32MB) */
+
+#define CFG_NAND_ECCSIZE 256
+#define CFG_NAND_ECCBYTES 3
+#define CFG_NAND_ECCSTEPS (CFG_NAND_PAGE_SIZE / CFG_NAND_ECCSIZE)
+#define CFG_NAND_OOBSIZE 16
+#define CFG_NAND_ECCTOTAL (CFG_NAND_ECCBYTES * CFG_NAND_ECCSTEPS)
+#define CFG_NAND_ECCPOS {0, 1, 2, 3, 6, 7}
+
+#ifdef CFG_ENV_IS_IN_NAND
+/*
+ * For NAND booting the environment is embedded in the U-Boot image. Please take
+ * look at the file board/amcc/sequoia/u-boot-nand.lds for details.
+ */
+#define CFG_ENV_SIZE CFG_NAND_BLOCK_SIZE
+#define CFG_ENV_OFFSET (CFG_NAND_U_BOOT_OFFS + CFG_ENV_SIZE)
+#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET + CFG_ENV_SIZE)
+#endif
+
/*-----------------------------------------------------------------------
* RAM (CRAM)
*----------------------------------------------------------------------*/
"update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;" \
"cp.b ${fileaddr} fffc0000 ${filesize};" \
"setenv filesize;saveenv\0" \
- "upd=run load;run update\0" \
+ "upd=run load update\0" \
+ "nload=tftp 200000 acadia/u-boot-nand.bin\0" \
+ "nupdate=nand erase 0 60000;nand write 200000 0 60000;" \
+ "setenv filesize;saveenv\0" \
+ "nupd=run nload nupdate\0" \
"kozio=bootm ffc60000\0" \
""
#define CONFIG_BOOTCOMMAND "run flash_self"
#define CONFIG_USB_OHCI
#define CONFIG_USB_STORAGE
-#if 0 /* test-only */
-#define TEST_ONLY_NAND
-#endif
-
-#ifdef TEST_ONLY_NAND
-#define CMD_NAND CFG_CMD_NAND
-#else
-#define CMD_NAND 0
-#endif
-
/* Partitions */
#define CONFIG_MAC_PARTITION
#define CONFIG_DOS_PARTITION
#define CONFIG_SUPPORT_VFAT
-#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
- CFG_CMD_ASKENV | \
- CFG_CMD_DHCP | \
- CFG_CMD_DTT | \
- CFG_CMD_DIAG | \
- CFG_CMD_EEPROM | \
- CFG_CMD_ELF | \
- CFG_CMD_FAT | \
- CFG_CMD_I2C | \
- CFG_CMD_IRQ | \
- CFG_CMD_MII | \
- CMD_NAND | \
- CFG_CMD_NET | \
- CFG_CMD_NFS | \
- CFG_CMD_PCI | \
- CFG_CMD_PING | \
- CFG_CMD_REGINFO | \
- CFG_CMD_USB)
+#define CONFIG_COMMANDS ((CONFIG_CMD_DFL & _CFG_CMD_INCLUDE) | \
+ CFG_CMD_ASKENV | \
+ CFG_CMD_DHCP | \
+ CFG_CMD_DTT | \
+ CFG_CMD_DIAG | \
+ CFG_CMD_EEPROM | \
+ CFG_CMD_ELF | \
+ CFG_CMD_FAT | \
+ CFG_CMD_I2C | \
+ CFG_CMD_IRQ | \
+ CFG_CMD_MII | \
+ CFG_CMD_NAND | \
+ CFG_CMD_NET | \
+ CFG_CMD_NFS | \
+ CFG_CMD_PCI | \
+ CFG_CMD_PING | \
+ CFG_CMD_REGINFO | \
+ CFG_CMD_USB)
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
-#ifdef TEST_ONLY_NAND
/*-----------------------------------------------------------------------
* NAND FLASH
*----------------------------------------------------------------------*/
#define NAND_MAX_CHIPS 1
#define CFG_NAND_BASE (CFG_NAND_ADDR + CFG_NAND_CS)
#define CFG_NAND_SELECT_DEVICE 1 /* nand driver supports mutipl. chips */
-#endif
/*-----------------------------------------------------------------------
* Cache Configuration
/*-----------------------------------------------------------------------
* External Bus Controller (EBC) Setup
*----------------------------------------------------------------------*/
-#define CFG_NAND_CS 0 /* NAND chip connected to CSx */
-
+#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
+#define CFG_NAND_CS 3
/* Memory Bank 0 (Flash) initialization */
#define CFG_EBC_PB0AP 0x03337200
#define CFG_EBC_PB0CR 0xfe0bc000
+/* Memory Bank 3 (NAND-FLASH) initialization */
+#define CFG_EBC_PB3AP 0x018003c0
+#define CFG_EBC_PB3CR (CFG_NAND_ADDR | 0x1c000)
+
/* Just initial configuration for CRAM. Will be changed in memory.c to sync mode*/
/* Memory Bank 1 (CRAM) initialization */
#define CFG_EBC_PB1AP 0x030400c0
/* Memory Bank 2 (CRAM) initialization */
#define CFG_EBC_PB2AP 0x030400c0
#define CFG_EBC_PB2CR 0x020bc000
+#else
+#define CFG_NAND_CS 0 /* NAND chip connected to CSx */
+/* Memory Bank 0 (NAND-FLASH) initialization */
+#define CFG_EBC_PB0AP 0x018003c0
+#define CFG_EBC_PB0CR (CFG_NAND_ADDR | 0x1c000)
-/* Memory Bank 3 (NAND-FLASH) initialization */
-#define CFG_EBC_PB3AP 0x018003c0
-#define CFG_EBC_PB3CR (CFG_NAND_ADDR | 0x1c000)
+/*
+ * When NAND-booting the CRAM EBC setup must be done in sync mode, since the
+ * NAND-SPL already initialized the CRAM and EBC to sync mode.
+ */
+/* Memory Bank 1 (CRAM) initialization */
+#define CFG_EBC_PB1AP 0x9C0201C0
+#define CFG_EBC_PB1CR 0x000bc000
+
+/* Memory Bank 2 (CRAM) initialization */
+#define CFG_EBC_PB2AP 0x9C0201C0
+#define CFG_EBC_PB2CR 0x020bc000
+#endif
/* Memory Bank 4 (CPLD) initialization */
#define CFG_EBC_PB4AP 0x04006000
* GPIO Setup
*----------------------------------------------------------------------*/
#define CFG_GPIO_CRAM_CLK 8
-#define CFG_GPIO_CRAM_WAIT 9
+#define CFG_GPIO_CRAM_WAIT 9 /* GPIO-In */
#define CFG_GPIO_CRAM_ADV 10
-#define CFG_GPIO_CRAM_CRE (32 + 21)
+#define CFG_GPIO_CRAM_CRE (32 + 21) /* GPIO-Out */
/*-----------------------------------------------------------------------
* Definitions for GPIO_0 setup (PPC405EZ specific)
*
- * GPIO0[0-3] - External Bus Controller CS_4 - CS_7 Outputs
+ * GPIO0[0-2] - External Bus Controller CS_4 - CS_6 Outputs
+ * GPIO0[3] - NAND FLASH Controller CE3 (NFCE3) Output
* GPIO0[4] - External Bus Controller Hold Input
* GPIO0[5] - External Bus Controller Priority Input
* GPIO0[6] - External Bus Controller HLDA Output
* GPIO0[28-30] - Trace Outputs / PWM Inputs
* GPIO0[31] - PWM_8 I/O
*/
-#define CFG_GPIO0_TCR 0xC0000000
-#define CFG_GPIO0_OSRL 0x50000000
-#define CFG_GPIO0_OSRH 0x00000055
-#define CFG_GPIO0_ISR1L 0x00000000
+#define CFG_GPIO0_TCR 0xC0A00000
+#define CFG_GPIO0_OSRL 0x50004400
+#define CFG_GPIO0_OSRH 0x02000055
+#define CFG_GPIO0_ISR1L 0x00001000
#define CFG_GPIO0_ISR1H 0x00000055
-#define CFG_GPIO0_TSRL 0x00000000
+#define CFG_GPIO0_TSRL 0x02000000
#define CFG_GPIO0_TSRH 0x00000055
/*-----------------------------------------------------------------------
* GPIO1[16] - SPI_SS_1_N Output
* GPIO1[17-20] - Trace Output/External Interrupts IRQ0 - IRQ3 inputs
*/
-#define CFG_GPIO1_OSRH 0x55455555
+#define CFG_GPIO1_TCR 0xFFFF8414
#define CFG_GPIO1_OSRL 0x40000110
-#define CFG_GPIO1_ISR1H 0x00000000
+#define CFG_GPIO1_OSRH 0x55455555
#define CFG_GPIO1_ISR1L 0x15555445
-#define CFG_GPIO1_TSRH 0x00000000
+#define CFG_GPIO1_ISR1H 0x00000000
#define CFG_GPIO1_TSRL 0x00000000
-#define CFG_GPIO1_TCR 0xFFFF8014
+#define CFG_GPIO1_TSRH 0x00000000
/*
* Internal Definitions
/*
* IPB Bus clocking configuration.
*/
-#define CFG_IPBSPEED_133 /* define for 133MHz speed */
+#define CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
-#if defined(CFG_IPBSPEED_133)
+#if defined(CFG_IPBCLK_EQUALS_XLBCLK)
/*
* PCI Bus clocking configuration
*
* Actually a PCI Clock of 66 MHz is only set (in cpu_init.c) if
- * CFG_IPBSPEED_133 is defined. This is because a PCI Clock of 66 MHz yet hasn't
- * been tested with a IPB Bus Clock of 66 MHz.
+ * CFG_IPBCLK_EQUALS_XLBCLK is defined. This is because a PCI Clock
+ * of 66 MHz yet hasn't been tested with a IPB Bus Clock of 66 MHz.
*/
-#define CFG_PCISPEED_66 /* define for 66MHz speed */
+#define CFG_PCICLK_EQUALS_IPBCLK_DIV2 /* define for 66MHz speed */
#endif
/*
#define CFG_BOOTCS_START CFG_FLASH_BASE
#define CFG_BOOTCS_SIZE CFG_FLASH_SIZE
-#ifdef CFG_PCISPEED_66
+#ifdef CFG_PCICLK_EQUALS_IPBCLK_DIV2
#define CFG_BOOTCS_CFG 0x0008DF30 /* for pci_clk = 66 MHz */
#else
#define CFG_BOOTCS_CFG 0x0004DF30 /* for pci_clk = 33 MHz */
*----------------------------------------------------------------------*/
#define CFG_MONITOR_LEN (384 * 1024) /* Reserve 384 kB for Monitor */
#define CFG_MALLOC_LEN (256 * 1024) /* Reserve 256 kB for malloc() */
-#define CFG_MONITOR_BASE (-CFG_MONITOR_LEN)
+#define CFG_MONITOR_BASE TEXT_BASE
#define CFG_SDRAM_BASE 0x00000000 /* _must_ be 0 */
#define CFG_FLASH_BASE 0xfff00000 /* start of FLASH */
#define CFG_PCI_MEMBASE 0xa0000000 /* mapped pci memory*/
/*-----------------------------------------------------------------------
* Environment
*----------------------------------------------------------------------*/
-/*
- * Define here the location of the environment variables (FLASH or EEPROM).
- * Note: DENX encourages to use redundant environment in FLASH.
- */
-#if 1
+#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
#else
-#define CFG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
+#define CFG_ENV_IS_IN_NAND 1 /* use NAND for environment vars */
+#define CFG_ENV_IS_EMBEDDED 1 /* use embedded environment */
#endif
/*-----------------------------------------------------------------------
#ifdef CFG_ENV_IS_IN_FLASH
#define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
-#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
+#define CFG_ENV_ADDR ((-CFG_MONITOR_LEN)-CFG_ENV_SECT_SIZE)
#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
/* Address and size of Redundant Environment Sector */
#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
#endif /* CFG_ENV_IS_IN_FLASH */
+/*
+ * IPL (Initial Program Loader, integrated inside CPU)
+ * Will load first 4k from NAND (SPL) into cache and execute it from there.
+ *
+ * SPL (Secondary Program Loader)
+ * Will load special U-Boot version (NUB) from NAND and execute it. This SPL
+ * has to fit into 4kByte. It sets up the CPU and configures the SDRAM
+ * controller and the NAND controller so that the special U-Boot image can be
+ * loaded from NAND to SDRAM.
+ *
+ * NUB (NAND U-Boot)
+ * This NAND U-Boot (NUB) is a special U-Boot version which can be started
+ * from RAM. Therefore it mustn't (re-)configure the SDRAM controller.
+ *
+ * On 440EPx the SPL is copied to SDRAM before the NAND controller is
+ * set up. While still running from cache, I experienced problems accessing
+ * the NAND controller. sr - 2006-08-25
+ */
+#define CFG_NAND_BOOT_SPL_SRC 0xfffff000 /* SPL location */
+#define CFG_NAND_BOOT_SPL_SIZE (4 << 10) /* SPL size */
+#define CFG_NAND_BOOT_SPL_DST 0x00800000 /* Copy SPL here */
+#define CFG_NAND_U_BOOT_DST 0x01000000 /* Load NUB to this addr */
+#define CFG_NAND_U_BOOT_START CFG_NAND_U_BOOT_DST /* Start NUB from this addr */
+#define CFG_NAND_BOOT_SPL_DELTA (CFG_NAND_BOOT_SPL_SRC - CFG_NAND_BOOT_SPL_DST)
+
+/*
+ * Define the partitioning of the NAND chip (only RAM U-Boot is needed here)
+ */
+#define CFG_NAND_U_BOOT_OFFS (16 << 10) /* Offset to RAM U-Boot image */
+#define CFG_NAND_U_BOOT_SIZE (384 << 10) /* Size of RAM U-Boot image */
+
+/*
+ * Now the NAND chip has to be defined (no autodetection used!)
+ */
+#define CFG_NAND_PAGE_SIZE 512 /* NAND chip page size */
+#define CFG_NAND_BLOCK_SIZE (16 << 10) /* NAND chip block size */
+#define CFG_NAND_PAGE_COUNT 32 /* NAND chip page count */
+#define CFG_NAND_BAD_BLOCK_POS 5 /* Location of bad block marker */
+#define CFG_NAND_4_ADDR_CYCLE 1 /* Fourth addr used (>32MB) */
+
+#define CFG_NAND_ECCSIZE 256
+#define CFG_NAND_ECCBYTES 3
+#define CFG_NAND_ECCSTEPS (CFG_NAND_PAGE_SIZE / CFG_NAND_ECCSIZE)
+#define CFG_NAND_OOBSIZE 16
+#define CFG_NAND_ECCTOTAL (CFG_NAND_ECCBYTES * CFG_NAND_ECCSTEPS)
+#define CFG_NAND_ECCPOS {0, 1, 2, 3, 6, 7}
+
+#ifdef CFG_ENV_IS_IN_NAND
+/*
+ * For NAND booting the environment is embedded in the U-Boot image. Please take
+ * look at the file board/amcc/sequoia/u-boot-nand.lds for details.
+ */
+#define CFG_ENV_SIZE CFG_NAND_BLOCK_SIZE
+#define CFG_ENV_OFFSET (CFG_NAND_U_BOOT_OFFS + CFG_ENV_SIZE)
+#define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET + CFG_ENV_SIZE)
+#endif
+
/*-----------------------------------------------------------------------
* NAND FLASH
*----------------------------------------------------------------------*/
-#define CFG_MAX_NAND_DEVICE 1
-#define NAND_MAX_CHIPS 1
-#define CFG_NAND_CS 1
+#define CFG_MAX_NAND_DEVICE 2
+#define NAND_MAX_CHIPS CFG_MAX_NAND_DEVICE
#define CFG_NAND_BASE (CFG_NAND_ADDR + CFG_NAND_CS)
+#define CFG_NAND_BASE_LIST { CFG_NAND_BASE, CFG_NAND_ADDR + 2 }
#define CFG_NAND_SELECT_DEVICE 1 /* nand driver supports mutipl. chips */
+#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
+#define CFG_NAND_CS 1
+#else
+#define CFG_NAND_CS 0 /* NAND chip connected to CSx */
+/* Memory Bank 0 (NAND-FLASH) initialization */
+#define CFG_EBC_PB0AP 0x018003c0
+#define CFG_EBC_PB0CR (CFG_NAND_ADDR | 0x1c000)
+#endif
+
/*-----------------------------------------------------------------------
* DDR SDRAM
*----------------------------------------------------------------------------- */
#define CONFIG_SPD_EEPROM /* Use SPD EEPROM for setup */
#undef CONFIG_DDR_ECC /* don't use ECC */
#define CFG_SIMULATE_SPD_EEPROM 0xff /* simulate spd eeprom on this address */
-#define SPD_EEPROM_ADDRESS {CFG_SIMULATE_SPD_EEPROM, 0x50, 0x51}
+#define SPD_EEPROM_ADDRESS {CFG_SIMULATE_SPD_EEPROM, 0x50, 0x51}
+#define CFG_MBYTES_SDRAM (64) /* 64MB fixed size for early-sdram-init */
/*-----------------------------------------------------------------------
* I2C
/*
* IPB Bus clocking configuration.
*/
-#undef CFG_IPBSPEED_133 /* define for 133MHz speed */
+#undef CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
/*
* Flash configuration, expect one 16 Megabyte Bank at most
/*
* IPB Bus clocking configuration.
*/
-#undef CFG_IPBSPEED_133 /* define for 133MHz speed */
+#undef CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
#endif
/*
* I2C configuration
/*
* IPB Bus clocking configuration.
*/
-#undef CFG_IPBSPEED_133 /* define for 133MHz speed */
+#undef CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
/*
* I2C configuration
/*
* IPB Bus clocking configuration.
*/
-#define CFG_IPBSPEED_133 /* define for 133MHz speed */
+#define CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
/*
* Flash configuration
*----------------------------------------------------------------------*/
#define CONFIG_SPD_EEPROM 1 /* Use SPD EEPROM for setup */
#define SPD_EEPROM_ADDRESS {0x53, 0x52} /* SPD i2c spd addresses*/
-#undef CONFIG_DDR_ECC /* no ECC support for now */
+#define CONFIG_DDR_ECC 1 /* with ECC support */
+#define CFG_44x_DDR2_CKTR_180 1 /* use 180 deg advance */
/*-----------------------------------------------------------------------
* I2C
/*
* IPB Bus clocking configuration.
*/
-#define CFG_IPBSPEED_133 /* define for 133MHz speed */
+#define CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
/*
* I2C configuration
CFG_CMD_JFFS2 | \
CFG_CMD_I2C | \
CFG_CMD_DATE | \
- CFG_CMD_EEPROM)
+ CFG_CMD_EEPROM | \
+ CFG_CMD_DTT)
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#define CONFIG_MPC5xxx_FEC 1
#define CONFIG_PHY_ADDR 0x2
#define CONFIG_PHY_TYPE 0x79c874
-
+#define CONFIG_RESET_PHY_R 1
/*
* Autobooting
"fdt_file=/tftpboot/motionpro/motionpro.dtb\0" \
"ramdisk_file=/tftpboot/motionpro/uRamdisk\0" \
"multi_image_file=kernel+initrd+dtb.img\0" \
- "load=tftp $(u-boot_addr) $(u-boot)\0" \
+ "load=tftp ${u-boot_addr} ${u-boot}\0" \
"update=prot off fff00000 fff3ffff; era fff00000 fff3ffff; " \
- "cp.b $(u-boot_addr) fff00000 $(filesize);" \
+ "cp.b ${u-boot_addr} fff00000 ${filesize};" \
"prot on fff00000 fff3ffff\0" \
"ramargs=setenv bootargs root=/dev/ram rw\0" \
"nfsargs=setenv bootargs root=/dev/nfs rw " \
- "nfsroot=$(serverip):$(rootpath)\0" \
+ "nfsroot=${serverip}:${rootpath}\0" \
"fat_args=setenv bootargs rw\0" \
- "addip=setenv bootargs $(bootargs) " \
- "ip=$(ipaddr):$(serverip):$(gatewayip):" \
- "$(netmask):$(hostname):$(netdev):off panic=1 " \
- "console=$(console)\0" \
- "net_nfs=tftp $(kernel_addr) $(bootfile); " \
- "tftp $(fdt_addr) $(fdt_file); run nfsargs addip; " \
- "bootm $(kernel_addr) - $(fdt_addr)\0" \
- "net_self=tftp $(kernel_addr) $(bootfile); " \
- "tftp $(fdt_addr) $(fdt_file); " \
- "tftp $(ramdisk_addr) $(ramdisk_file); " \
+ "addmtd=setenv bootargs ${bootargs} ${mtdparts}\0" \
+ "addip=setenv bootargs ${bootargs} " \
+ "ip=${ipaddr}:${serverip}:${gatewayip}:" \
+ "${netmask}:${hostname}:${netdev}:off panic=1 " \
+ "console=${console}\0" \
+ "net_nfs=tftp ${kernel_addr} ${bootfile}; " \
+ "tftp ${fdt_addr} ${fdt_file}; run nfsargs addip; " \
+ "bootm ${kernel_addr} - ${fdt_addr}\0" \
+ "net_self=tftp ${kernel_addr} ${bootfile}; " \
+ "tftp ${fdt_addr} ${fdt_file}; " \
+ "tftp ${ramdisk_addr} ${ramdisk_file}; " \
"run ramargs addip; " \
- "bootm $(kernel_addr) $(ramdisk_addr) $(fdt_addr)\0" \
+ "bootm ${kernel_addr} ${ramdisk_addr} ${fdt_addr}\0" \
"fat_multi=run fat_args addip; fatload ide 0:1 " \
"${multi_image_addr} ${multi_image_file}; " \
"bootm ${multi_image_addr}\0" \
/*
- * Set IPB speed to 100MHz (yes, the #define is misnamed)
+ * Set IPB speed to 100MHz
*/
-#define CFG_IPBSPEED_133
+#define CFG_IPBCLK_EQUALS_XLBCLK
/*
#define MTDIDS_DEFAULT "nor0=motionpro-0"
#define MTDPARTS_DEFAULT "mtdparts=motionpro-0:" \
"13m(fs),2m(kernel),256k(uboot)," \
- "64k(env),64k(dtb),-(user_data)"
+ "64k(env),64k(redund_env),64k(dtb)," \
+ "-(user_data)"
/*
* IDE/ATA configuration
* EEPROM configuration
*/
#define CFG_I2C_EEPROM_ADDR_LEN 1
-#define CFG_EEPROM_PAGE_WRITE_BITS 3
-#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 70
+#define CFG_EEPROM_PAGE_WRITE_ENABLE 1 /* DTT driver needs this */
+#define CFG_EEPROM_PAGE_WRITE_BITS 1 /* 2 bytes per write cycle */
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 5 /* 2ms/cycle + 3ms extra */
#define CFG_I2C_MULTI_EEPROMS 1 /* 2 EEPROMs (addr:50,52) */
/*
+ * Status LED configuration
+ */
+#define CONFIG_STATUS_LED /* Status LED enabled */
+#define CONFIG_BOARD_SPECIFIC_LED
+
+#define ENABLE_GPIO_OUT 0x00000024
+#define LED_ON 0x00000010
+
+#ifndef __ASSEMBLY__
+/*
+ * In case of Motion-PRO, a LED is identified by its corresponding
+ * GPT Enable and Mode Select Register.
+ */
+typedef volatile unsigned long * led_id_t;
+
+extern void __led_init(led_id_t id, int state);
+extern void __led_toggle(led_id_t id);
+extern void __led_set(led_id_t id, int state);
+#endif /* __ASSEMBLY__ */
+
+
+/*
+ * Temperature sensor
+ */
+#define CONFIG_DTT_LM75 1
+#define CONFIG_DTT_SENSORS { 0x49 }
+
+
+/*
* Environment settings
*/
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_SIZE 0x1000
#define CFG_ENV_SECT_SIZE 0x10000
+/* Configuration of redundant environment */
+#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR + CFG_ENV_SECT_SIZE)
+#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
/*
* Pin multiplexing configuration
/*
+ * Motion-PRO's CPLD revision control register
+ */
+#define CPLD_REV_REGISTER (CFG_CS2_START + 0x06)
+
+
+/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
-#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#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 OF_CPU "PowerPC,5200@0"
#define OF_SOC "soc5200@f0000000"
#define OF_TBCLK (bd->bi_busfreq / 4)
-#define OF_STDOUT_PAT "/soc5200@f0000000/serial@2000"
+#define OF_STDOUT_PATH "/soc5200@f0000000/serial@2000"
#endif /* __CONFIG_H */
/*
* IPB Bus clocking configuration.
*/
-#define CFG_IPBSPEED_133 /* define for 133MHz speed */
+#define CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
-#if defined(CFG_IPBSPEED_133)
+#if defined(CFG_IPBCLK_EQUALS_XLBCLK)
/*
* PCI Bus clocking configuration
*
* Actually a PCI Clock of 66 MHz is only set (in cpu_init.c) if
- * CFG_IPBSPEED_133 is defined. This is because a PCI Clock of 66 MHz yet hasn't
- * been tested with a IPB Bus Clock of 66 MHz.
+ * CFG_IPBCLK_EQUALS_XLBCLK is defined. This is because a PCI Clock
+ * of 66 MHz yet hasn't been tested with a IPB Bus Clock of 66 MHz.
*/
-#define CFG_PCISPEED_66 /* define for 66MHz speed */
+#define CFG_PCICLK_EQUALS_IPBCLK_DIV2 /* define for 66MHz speed */
#endif
#endif
#define CFG_BOOTCS_START CFG_FLASH_BASE
#define CFG_BOOTCS_SIZE CFG_FLASH_SIZE
-#ifdef CFG_PCISPEED_66
+#ifdef CFG_PCICLK_EQUALS_IPBCLK_DIV2
/*
* For 66 MHz PCI clock additional Wait State is needed for CS0 (flash).
*/
/*
* IPB Bus clocking configuration.
*/
-#undef CFG_IPBSPEED_133 /* define for 133MHz speed */
+#undef CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
#endif
/*
* I2C configuration
#define CONFIG_4xx 1 /* ... PPC4xx family */
/* Detect Sequoia PLL input clock automatically via CPLD bit */
#define CONFIG_SYS_CLK_FREQ ((in8(CFG_BCSR_BASE + 3) & 0x80) ? \
- 3333333 : 33000000)
+ 33333333 : 33000000)
#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
#define CONFIG_MISC_INIT_R 1 /* Call misc_init_r */
/*
* Now the NAND chip has to be defined (no autodetection used!)
*/
-#define CFG_NAND_PAGE_SIZE (512) /* NAND chip page size */
+#define CFG_NAND_PAGE_SIZE 512 /* NAND chip page size */
#define CFG_NAND_BLOCK_SIZE (16 << 10) /* NAND chip block size */
-#define CFG_NAND_PAGE_COUNT (32) /* NAND chip page count */
-#define CFG_NAND_BAD_BLOCK_POS (5) /* Location of bad block marker */
+#define CFG_NAND_PAGE_COUNT 32 /* NAND chip page count */
+#define CFG_NAND_BAD_BLOCK_POS 5 /* Location of bad block marker */
#undef CFG_NAND_4_ADDR_CYCLE /* No fourth addr used (<=32MB) */
+#define CFG_NAND_ECCSIZE 256
+#define CFG_NAND_ECCBYTES 3
+#define CFG_NAND_ECCSTEPS (CFG_NAND_PAGE_SIZE / CFG_NAND_ECCSIZE)
+#define CFG_NAND_OOBSIZE 16
+#define CFG_NAND_ECCTOTAL (CFG_NAND_ECCBYTES * CFG_NAND_ECCSTEPS)
+#define CFG_NAND_ECCPOS {0, 1, 2, 3, 6, 7}
+
#ifdef CFG_ENV_IS_IN_NAND
/*
* For NAND booting the environment is embedded in the U-Boot image. Please take
/*
* IPB Bus clocking configuration.
*/
-#define CFG_IPBSPEED_133 /* define for 133MHz speed */
+#define CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
-#if defined(CFG_IPBSPEED_133)
+#if defined(CFG_IPBCLK_EQUALS_XLBCLK)
/*
* PCI Bus clocking configuration
*
* Actually a PCI Clock of 66 MHz is only set (in cpu_init.c) if
- * CFG_IPBSPEED_133 is defined. This is because a PCI Clock of 66 MHz yet hasn't
- * been tested with a IPB Bus Clock of 66 MHz.
+ * CFG_IPBCLK_EQUALS_XLBCLK is defined. This is because a PCI Clock
+ * of 66 MHz yet hasn't been tested with a IPB Bus Clock of 66 MHz.
*/
-#define CFG_PCISPEED_66 /* define for 66MHz speed */
+#define CFG_PCICLK_EQUALS_IPBCLK_DIV2 /* define for 66MHz speed */
#endif
/*
#define CFG_BOOTCS_START CFG_FLASH_BASE
#define CFG_BOOTCS_SIZE CFG_FLASH_SIZE
-#ifdef CFG_PCISPEED_66
+#ifdef CFG_PCICLK_EQUALS_IPBCLK_DIV2
#define CFG_BOOTCS_CFG 0x0008DF30 /* for pci_clk = 66 MHz */
#else
#define CFG_BOOTCS_CFG 0x0004DF30 /* for pci_clk = 33 MHz */
/*
* IPB Bus clocking configuration.
*/
-#define CFG_IPBSPEED_133 /* define for 133MHz speed */
+#define CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
-#if defined(CFG_IPBSPEED_133)
+#if defined(CFG_IPBCLK_EQUALS_XLBCLK)
/*
* PCI Bus clocking configuration
*
* Actually a PCI Clock of 66 MHz is only set (in cpu_init.c) if
- * CFG_IPBSPEED_133 is defined. This is because a PCI Clock of 66 MHz yet hasn't
- * been tested with a IPB Bus Clock of 66 MHz.
+ * CFG_IPBCLK_EQUALS_XLBCLK is defined. This is because a PCI Clock
+ * of 66 MHz yet hasn't been tested with a IPB Bus Clock of 66 MHz.
*/
-#define CFG_PCISPEED_66 /* define for 66MHz speed */
+#define CFG_PCICLK_EQUALS_IPBCLK_DIV2 /* define for 66MHz speed */
#endif
/*
#define CFG_BOOTCS_START CFG_FLASH_BASE
#define CFG_BOOTCS_SIZE CFG_FLASH_SIZE
-#ifdef CFG_PCISPEED_66
+#ifdef CFG_PCICLK_EQUALS_IPBCLK_DIV2
#define CFG_BOOTCS_CFG 0x0008DF30 /* for pci_clk = 66 MHz */
#else
#define CFG_BOOTCS_CFG 0x0004DF30 /* for pci_clk = 33 MHz */
* This address, however, is used to configure a 256M local bus
* window that includes the Config latch below.
*/
-#define CFG_LBC_OPTION_BASE 0xf0000000 /* Localbus Extension */
+#define CFG_LBC_OPTION_BASE 0xF0000000 /* Localbus Extension */
#define CFG_LBC_OPTION_SIZE 256 /* 256MB */
/* There are various flash options used, we configure for the largest,
* which is 64Mbytes. The CFI works fine and will discover the proper
* sizes.
*/
-#define CFG_FLASH_BASE 0xFC000000 /* start of FLASH 64M */
-#define CFG_BR0_PRELIM 0xFC001801 /* port size 32bit */
-#define CFG_OR0_PRELIM 0xFC000FF7 /* 64 MB Flash */
+#ifdef CONFIG_STXSSA_4M
+#define CFG_FLASH_BASE 0xFFC00000 /* start of 4 MiB flash */
+#else
+#define CFG_FLASH_BASE 0xFC000000 /* start of 64 MiB flash */
+#endif
+#define CFG_BR0_PRELIM (CFG_FLASH_BASE | 0x1801) /* port size 32bit */
+#define CFG_OR0_PRELIM (CFG_FLASH_BASE | 0x0FF7)
#define CFG_FLASH_CFI 1
#define CFG_FLASH_CFI_DRIVER 1
/* The configuration latch is Chip Select 1.
* It's an 8-bit latch in the lower 8 bits of the word.
*/
-#define CFG_LBC_CFGLATCH_BASE 0xfb000000 /* Base of config latch */
-#define CFG_BR1_PRELIM 0xfb001801 /* 32-bit port */
-#define CFG_OR1_PRELIM 0xffff0ff7 /* 64K is enough */
+#define CFG_LBC_CFGLATCH_BASE 0xFB000000 /* Base of config latch */
+#define CFG_BR1_PRELIM 0xFB001801 /* 32-bit port */
+#define CFG_OR1_PRELIM 0xFFFF0FF7 /* 64K is enough */
#define CFG_MONITOR_BASE TEXT_BASE /* start of monitor */
/* Environment - default config is in flash, see below */
#if 0 /* in EEPROM */
-#define CFG_ENV_IS_IN_EEPROM 1
-#define CFG_ENV_OFFSET 0
-#define CFG_ENV_SIZE 2048
+# define CFG_ENV_IS_IN_EEPROM 1
+# define CFG_ENV_OFFSET 0
+# define CFG_ENV_SIZE 2048
#else /* in flash */
-#define CFG_ENV_IS_IN_FLASH 1
-#define CFG_ENV_SECT_SIZE 0x40000
-
-#define CFG_ENV_ADDR (CFG_MONITOR_BASE - CFG_ENV_SECT_SIZE)
-#define CFG_ENV_SIZE 0x4000
-#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR - CFG_ENV_SECT_SIZE)
-#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
+# define CFG_ENV_IS_IN_FLASH 1
+# ifdef CONFIG_STXSSA_4M
+# define CFG_ENV_SECT_SIZE 0x20000
+# else /* default configuration - 64 MiB flash */
+# define CFG_ENV_SECT_SIZE 0x40000
+# endif
+# define CFG_ENV_ADDR (CFG_MONITOR_BASE - CFG_ENV_SECT_SIZE)
+# define CFG_ENV_SIZE 0x4000
+# define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR - CFG_ENV_SECT_SIZE)
+# define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
#endif
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
/*
* IPB Bus clocking configuration.
*/
-#define CFG_IPBSPEED_133 /* define for 133MHz speed */
+#define CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
/*
* I2C configuration
/*
* IPB Bus clocking configuration.
*/
-#undef CFG_IPBSPEED_133 /* define for 133MHz speed */
+#undef CFG_IPBCLK_EQUALS_XLBCLK /* define for 133MHz speed */
#endif
/*
#define sdrcfga (SDR_DCR_BASE+0x0) /* ADDR */
#define sdrcfgd (SDR_DCR_BASE+0x1) /* Data */
-#define mtsdr(reg, data) mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,data)
-#define mfsdr(reg, data) mtdcr(sdrcfga,reg);data = mfdcr(sdrcfgd)
+#define mtsdr(reg, data) do { mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,data); } while (0)
+#define mfsdr(reg, data) do { mtdcr(sdrcfga,reg);data = mfdcr(sdrcfgd); } while (0)
#define sdrnand0 0x4000
#define sdrultra0 0x4040
#define sdricintstat 0x4510
#define SDR_NAND0_NDEN 0x80000000
+#define SDR_NAND0_NDBTEN 0x40000000
+#define SDR_NAND0_NDBADR_MASK 0x30000000
+#define SDR_NAND0_NDBPG_MASK 0x0f000000
+#define SDR_NAND0_NDAREN 0x00800000
+#define SDR_NAND0_NDRBEN 0x00400000
#define SDR_ULTRA0_NDGPIOBP 0x80000000
#define SDR_ULTRA0_CSN_MASK 0x78000000
#define SDR_ULTRA0_CSNSEL1 0x20000000
#define SDR_ULTRA0_CSNSEL2 0x10000000
#define SDR_ULTRA0_CSNSEL3 0x08000000
+#define SDR_ULTRA0_EBCRDYEN 0x04000000
+#define SDR_ULTRA0_SPISSINEN 0x02000000
+#define SDR_ULTRA0_NFSRSTEN 0x01000000
#define SDR_ULTRA1_LEDNENABLE 0x40000000
/*
* Macro for accessing the indirect CPR register
*/
-#define mtcpr(reg, data) mtdcr(cprcfga,reg);mtdcr(cprcfgd,data)
-#define mfcpr(reg, data) mtdcr(cprcfga,reg);data = mfdcr(cprcfgd)
+#define mtcpr(reg, data) do { mtdcr(cprcfga,reg);mtdcr(cprcfgd,data); } while (0)
+#define mfcpr(reg, data) do { mtdcr(cprcfga,reg);data = mfdcr(cprcfgd); } while (0)
#define CPR_CLKUPD_ENPLLCH_EN 0x40000000 /* Enable CPR PLL Changes */
#define CPR_CLKUPD_ENDVCH_EN 0x20000000 /* Enable CPR Sys. Div. Changes */
/*----------------------------------------------------------------------------+
| Clock / Power-on-reset DCR's.
+----------------------------------------------------------------------------*/
-#define CPR0_CFGADDR 0x00C
-#define CPR0_CFGDATA 0x00D
-
#define CPR0_CLKUPD 0x20
#define CPR0_CLKUPD_BSY_MASK 0x80000000
#define CPR0_CLKUPD_BSY_COMPLETED 0x00000000
#define mtsdr(reg, data) do { mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,data); } while (0)
#define mfsdr(reg, data) do { mtdcr(sdrcfga,reg);data = mfdcr(sdrcfgd); } while (0)
+/*
+ * All 44x except 440GP have CPR registers (indirect DCR)
+ */
+#if !defined(CONFIG_440GP)
+#define CPR0_CFGADDR 0x00C
+#define CPR0_CFGDATA 0x00D
+
+#define mtcpr(reg, data) do { \
+ mtdcr(CPR0_CFGADDR, reg); \
+ mtdcr(CPR0_CFGDATA, data); \
+ } while (0)
+
+#define mfcpr(reg, data) do { \
+ mtdcr(CPR0_CFGADDR, reg); \
+ data = mfdcr(CPR0_CFGDATA); \
+ } while (0)
+#endif
#ifndef __ASSEMBLY__
# define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */
# define STATUS_LED_BOOT 0 /* LED 0 used for boot status */
+#elif defined(CONFIG_MOTIONPRO)
+
+#define STATUS_LED_BIT ((vu_long *) MPC5XXX_GPT6_ENABLE)
+#define STATUS_LED_PERIOD (CFG_HZ / 10)
+#define STATUS_LED_STATE STATUS_LED_BLINKING
+
+#define STATUS_LED_BIT1 ((vu_long *) MPC5XXX_GPT7_ENABLE)
+#define STATUS_LED_PERIOD1 (CFG_HZ / 10)
+#define STATUS_LED_STATE1 STATUS_LED_OFF
+
+#define STATUS_LED_BOOT 0 /* LED 0 used for boot status */
+
#else
# error Status LED configuration missing
#endif
bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
bd->bi_plb_busfreq = gd->bus_clk;
-#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
+#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
+ defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
+ defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
bd->bi_pci_busfreq = get_PCI_freq ();
bd->bi_opbfreq = get_OPB_freq ();
#elif defined(CONFIG_XILINX_ML300)
--- /dev/null
+#
+# (C) Copyright 2007
+# Stefan Roese, DENX Software Engineering, sr@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
+include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk
+
+LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
+LDFLAGS = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
+AFLAGS += -DCONFIG_NAND_SPL
+CFLAGS += -DCONFIG_NAND_SPL
+
+SOBJS = start.o resetvec.o
+COBJS = gpio.o nand_boot.o nand_ecc.o memory.o ndfc.o
+
+SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+__OBJS := $(SOBJS) $(COBJS)
+LNDIR := $(OBJTREE)/nand_spl/board/$(BOARDDIR)
+
+nandobj := $(OBJTREE)/nand_spl/
+
+ALL = $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
+
+all: $(obj).depend $(ALL)
+
+$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
+ $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@
+
+$(nandobj)u-boot-spl.bin: $(nandobj)u-boot-spl
+ $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
+
+$(nandobj)u-boot-spl: $(OBJS)
+ cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
+ -Map $(nandobj)u-boot-spl.map \
+ -o $(nandobj)u-boot-spl
+
+# create symbolic links for common files
+
+# from cpu directory
+$(obj)gpio.c:
+ @rm -f $(obj)gpio.c
+ ln -s $(SRCTREE)/cpu/ppc4xx/gpio.c $(obj)gpio.c
+
+$(obj)ndfc.c:
+ @rm -f $(obj)ndfc.c
+ ln -s $(SRCTREE)/cpu/ppc4xx/ndfc.c $(obj)ndfc.c
+
+$(obj)resetvec.S:
+ @rm -f $(obj)resetvec.S
+ ln -s $(SRCTREE)/cpu/ppc4xx/resetvec.S $(obj)resetvec.S
+
+$(obj)start.S:
+ @rm -f $(obj)start.S
+ ln -s $(SRCTREE)/cpu/ppc4xx/start.S $(obj)start.S
+
+# from board directory
+$(obj)memory.c:
+ @rm -f $(obj)memory.c
+ ln -s $(SRCTREE)/board/amcc/acadia/memory.c $(obj)memory.c
+
+# from nand_spl directory
+$(obj)nand_boot.c:
+ @rm -f $(obj)nand_boot.c
+ ln -s $(SRCTREE)/nand_spl/nand_boot.c $(obj)nand_boot.c
+
+# from drivers/nand directory
+$(obj)nand_ecc.c:
+ @rm -f $(obj)nand_ecc.c
+ ln -s $(SRCTREE)/drivers/nand/nand_ecc.c $(obj)nand_ecc.c
+
+#########################################################################
+
+$(obj)%.o: $(obj)%.S
+ $(CC) $(AFLAGS) -c -o $@ $<
+
+$(obj)%.o: $(obj)%.c
+ $(CC) $(CFLAGS) -c -o $@ $<
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2007
+# Stefan Roese, DENX Software Engineering, sr@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
+#
+#
+# AMCC 405EZ Reference Platform (Acadia) board
+#
+
+#
+# TEXT_BASE for SPL:
+#
+# On 4xx platforms the SPL is located at 0xfffff000...0xffffffff,
+# in the last 4kBytes of memory space in cache.
+# We will copy this SPL into internal SRAM in start.S. So we set
+# TEXT_BASE to starting address in internal SRAM here.
+#
+TEXT_BASE = 0xF8003000
+
+# PAD_TO used to generate a 16kByte binary needed for the combined image
+# -> PAD_TO = TEXT_BASE + 0x4000
+PAD_TO = 0xF8007000
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000
+endif
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@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:common)
+SECTIONS
+{
+ .resetvec 0xF8003FFC :
+ {
+ *(.resetvec)
+ } = 0xffff
+
+ .text :
+ {
+ start.o (.text)
+ nand_boot.o (.text)
+ ndfc.o (.text)
+
+ *(.text)
+ *(.fixup)
+ }
+ _etext = .;
+
+ .data :
+ {
+ *(.rodata*)
+ *(.data*)
+ *(.sdata*)
+ __got2_start = .;
+ *(.got2)
+ __got2_end = .;
+ }
+
+ _edata = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss)
+ *(.bss)
+ }
+
+ _end = . ;
+}
--- /dev/null
+#
+# (C) Copyright 2007
+# Stefan Roese, DENX Software Engineering, sr@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
+include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk
+
+LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
+LDFLAGS = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
+AFLAGS += -DCONFIG_NAND_SPL
+CFLAGS += -DCONFIG_NAND_SPL
+
+SOBJS = start.o init.o resetvec.o
+COBJS = nand_boot.o nand_ecc.o ndfc.o sdram.o
+
+SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+__OBJS := $(SOBJS) $(COBJS)
+LNDIR := $(OBJTREE)/nand_spl/board/$(BOARDDIR)
+
+nandobj := $(OBJTREE)/nand_spl/
+
+ALL = $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
+
+all: $(obj).depend $(ALL)
+
+$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
+ $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@
+
+$(nandobj)u-boot-spl.bin: $(nandobj)u-boot-spl
+ $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
+
+$(nandobj)u-boot-spl: $(OBJS)
+ cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
+ -Map $(nandobj)u-boot-spl.map \
+ -o $(nandobj)u-boot-spl
+
+# create symbolic links for common files
+
+# from cpu directory
+$(obj)ndfc.c:
+ @rm -f $(obj)ndfc.c
+ ln -s $(SRCTREE)/cpu/ppc4xx/ndfc.c $(obj)ndfc.c
+
+$(obj)resetvec.S:
+ @rm -f $(obj)resetvec.S
+ ln -s $(SRCTREE)/cpu/ppc4xx/resetvec.S $(obj)resetvec.S
+
+$(obj)start.S:
+ @rm -f $(obj)start.S
+ ln -s $(SRCTREE)/cpu/ppc4xx/start.S $(obj)start.S
+
+# from board directory
+$(obj)init.S:
+ @rm -f $(obj)init.S
+ ln -s $(SRCTREE)/board/amcc/bamboo/init.S $(obj)init.S
+
+# from nand_spl directory
+$(obj)nand_boot.c:
+ @rm -f $(obj)nand_boot.c
+ ln -s $(SRCTREE)/nand_spl/nand_boot.c $(obj)nand_boot.c
+
+# from drivers/nand directory
+$(obj)nand_ecc.c:
+ @rm -f $(obj)nand_ecc.c
+ ln -s $(SRCTREE)/drivers/nand/nand_ecc.c $(obj)nand_ecc.c
+
+#########################################################################
+
+$(obj)%.o: $(obj)%.S
+ $(CC) $(AFLAGS) -c -o $@ $<
+
+$(obj)%.o: $(obj)%.c
+ $(CC) $(CFLAGS) -c -o $@ $<
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2007
+# Stefan Roese, DENX Software Engineering, sr@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+#
+# AMCC 440EP Reference Platform (Bamboo) board
+#
+
+#
+# TEXT_BASE for SPL:
+#
+# On 440EP(x) platforms the SPL is located at 0xfffff000...0xffffffff,
+# in the last 4kBytes of memory space in cache.
+# We will copy this SPL into instruction-cache in start.S. So we set
+# TEXT_BASE to starting address in i-cache here.
+#
+TEXT_BASE = 0x00800000
+
+# PAD_TO used to generate a 16kByte binary needed for the combined image
+# -> PAD_TO = TEXT_BASE + 0x4000
+PAD_TO = 0x00804000
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000
+endif
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@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 <ppc4xx.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+
+static void wait_init_complete(void)
+{
+ u32 val;
+
+ do {
+ mfsdram(mem_mcsts, val);
+ } while (!(val & 0x80000000));
+}
+
+/*
+ * early_sdram_init()
+ *
+ * As the name already indicates, this function is called very early
+ * from start.S and configures the SDRAM with fixed values. This is needed,
+ * since the 440EP has no internal SRAM and the 4kB NAND_SPL loader has
+ * not enough free space to implement the complete I2C SPD DDR autodetection
+ * routines. Therefore the Bamboo only supports the onboard 64MBytes of SDRAM
+ * when booting from NAND flash.
+ */
+void early_sdram_init(void)
+{
+ /*
+ * Soft-reset SDRAM controller.
+ */
+ mtsdr(sdr_srst, SDR0_SRST_DMC);
+ mtsdr(sdr_srst, 0x00000000);
+
+ /*
+ * Disable memory controller.
+ */
+ mtsdram(mem_cfg0, 0x00000000);
+
+ /*
+ * Setup some default
+ */
+ mtsdram(mem_uabba, 0x00000000); /* ubba=0 (default) */
+ mtsdram(mem_slio, 0x00000000); /* rdre=0 wrre=0 rarw=0 */
+ mtsdram(mem_devopt, 0x00000000); /* dll=0 ds=0 (normal) */
+ mtsdram(mem_wddctr, 0x00000000); /* wrcp=0 dcd=0 */
+ mtsdram(mem_clktr, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */
+
+ /*
+ * Following for CAS Latency = 2.5 @ 133 MHz PLB
+ */
+ mtsdram(mem_b0cr, 0x00082001);
+ mtsdram(mem_tr0, 0x41094012);
+ mtsdram(mem_tr1, 0x8080083d); /* SS=T2 SL=STAGE 3 CD=1 CT=0x00*/
+ mtsdram(mem_rtr, 0x04100000); /* Interval 7.8µs @ 133MHz PLB */
+ mtsdram(mem_cfg1, 0x00000000); /* Self-refresh exit, disable PM*/
+
+ /*
+ * Enable the controller, then wait for DCEN to complete
+ */
+ mtsdram(mem_cfg0, 0x80000000); /* DCEN=1, PMUD=0*/
+ wait_init_complete();
+}
+
+long int initdram(int board_type)
+{
+ /*
+ * Nothing to do here, just return size of fixed SDRAM setup
+ */
+ return CFG_MBYTES_SDRAM << 20;
+}
--- /dev/null
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@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:common)
+SECTIONS
+{
+ .resetvec 0x00800FFC :
+ {
+ *(.resetvec)
+ } = 0xffff
+
+ .text :
+ {
+ start.o (.text)
+ init.o (.text)
+ nand_boot.o (.text)
+ sdram.o (.text)
+ ndfc.o (.text)
+
+ *(.text)
+ *(.fixup)
+ }
+ _etext = .;
+
+ .data :
+ {
+ *(.rodata*)
+ *(.data*)
+ *(.sdata*)
+ __got2_start = .;
+ *(.got2)
+ __got2_end = .;
+ }
+
+ _edata = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss)
+ *(.bss)
+ }
+
+ _end = . ;
+}
#
-# (C) Copyright 2006
+# (C) Copyright 2006-2007
# Stefan Roese, DENX Software Engineering, sr@denx.de.
#
# See file CREDITS for list of people who contributed to this
CFLAGS += -DCONFIG_NAND_SPL
SOBJS = start.o init.o resetvec.o
-COBJS = nand_boot.o ndfc.o sdram.o
+COBJS = nand_boot.o nand_ecc.o ndfc.o sdram.o
SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
@rm -f $(obj)nand_boot.c
ln -s $(SRCTREE)/nand_spl/nand_boot.c $(obj)nand_boot.c
+# from drivers/nand directory
+$(obj)nand_ecc.c:
+ @rm -f $(obj)nand_ecc.c
+ ln -s $(SRCTREE)/drivers/nand/nand_ecc.c $(obj)nand_ecc.c
+
#########################################################################
$(obj)%.o: $(obj)%.S
/*
- * (C) Copyright 2006
+ * (C) Copyright 2006-2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* This program is free software; you can redistribute it and/or
#define CFG_NAND_READ_DELAY \
{ volatile int dummy; int i; for (i=0; i<10000; i++) dummy = i; }
+static int nand_ecc_pos[] = CFG_NAND_ECCPOS;
+
extern void board_nand_init(struct nand_chip *nand);
-extern void ndfc_hwcontrol(struct mtd_info *mtdinfo, int cmd);
-extern void ndfc_write_byte(struct mtd_info *mtdinfo, u_char byte);
-extern u_char ndfc_read_byte(struct mtd_info *mtdinfo);
-extern int ndfc_dev_ready(struct mtd_info *mtdinfo);
-extern int jump_to_ram(ulong delta);
-extern int jump_to_uboot(ulong addr);
-static int nand_is_bad_block(struct mtd_info *mtd, int block)
+static int nand_command(struct mtd_info *mtd, int block, int page, int offs, u8 cmd)
{
struct nand_chip *this = mtd->priv;
- int page_addr = block * CFG_NAND_PAGE_COUNT;
+ int page_addr = page + block * CFG_NAND_PAGE_COUNT;
+
+ if (this->dev_ready)
+ this->dev_ready(mtd);
+ else
+ CFG_NAND_READ_DELAY;
/* Begin command latch cycle */
this->hwcontrol(mtd, NAND_CTL_SETCLE);
- this->write_byte(mtd, NAND_CMD_READOOB);
+ this->write_byte(mtd, cmd);
/* Set ALE and clear CLE to start address cycle */
this->hwcontrol(mtd, NAND_CTL_CLRCLE);
this->hwcontrol(mtd, NAND_CTL_SETALE);
/* Column address */
- this->write_byte(mtd, CFG_NAND_BAD_BLOCK_POS); /* A[7:0] */
+ this->write_byte(mtd, offs); /* A[7:0] */
this->write_byte(mtd, (uchar)(page_addr & 0xff)); /* A[16:9] */
this->write_byte(mtd, (uchar)((page_addr >> 8) & 0xff)); /* A[24:17] */
#ifdef CFG_NAND_4_ADDR_CYCLE
else
CFG_NAND_READ_DELAY;
+ return 0;
+}
+
+static int nand_is_bad_block(struct mtd_info *mtd, int block)
+{
+ struct nand_chip *this = mtd->priv;
+
+ nand_command(mtd, block, 0, CFG_NAND_BAD_BLOCK_POS, NAND_CMD_READOOB);
+
/*
* Read on byte
*/
static int nand_read_page(struct mtd_info *mtd, int block, int page, uchar *dst)
{
struct nand_chip *this = mtd->priv;
- int page_addr = page + block * CFG_NAND_PAGE_COUNT;
+ u_char *ecc_calc;
+ u_char *ecc_code;
+ u_char *oob_data;
int i;
+ int eccsize = CFG_NAND_ECCSIZE;
+ int eccbytes = CFG_NAND_ECCBYTES;
+ int eccsteps = CFG_NAND_ECCSTEPS;
+ uint8_t *p = dst;
+ int stat;
- /* Begin command latch cycle */
- this->hwcontrol(mtd, NAND_CTL_SETCLE);
- this->write_byte(mtd, NAND_CMD_READ0);
- /* Set ALE and clear CLE to start address cycle */
- this->hwcontrol(mtd, NAND_CTL_CLRCLE);
- this->hwcontrol(mtd, NAND_CTL_SETALE);
- /* Column address */
- this->write_byte(mtd, 0); /* A[7:0] */
- this->write_byte(mtd, (uchar)(page_addr & 0xff)); /* A[16:9] */
- this->write_byte(mtd, (uchar)((page_addr >> 8) & 0xff)); /* A[24:17] */
-#ifdef CFG_NAND_4_ADDR_CYCLE
- /* One more address cycle for devices > 32MiB */
- this->write_byte(mtd, (uchar)((page_addr >> 16) & 0x0f)); /* A[xx:25] */
-#endif
- /* Latch in address */
- this->hwcontrol(mtd, NAND_CTL_CLRALE);
+ nand_command(mtd, block, page, 0, NAND_CMD_READ0);
- /*
- * Wait a while for the data to be ready
+ /* No malloc available for now, just use some temporary locations
+ * in SDRAM
*/
- if (this->dev_ready)
- this->dev_ready(mtd);
- else
- CFG_NAND_READ_DELAY;
+ ecc_calc = (u_char *)(CFG_SDRAM_BASE + 0x10000);
+ ecc_code = ecc_calc + 0x100;
+ oob_data = ecc_calc + 0x200;
+
+ for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
+ this->enable_hwecc(mtd, NAND_ECC_READ);
+ this->read_buf(mtd, p, eccsize);
+ this->calculate_ecc(mtd, p, &ecc_calc[i]);
+ }
+ this->read_buf(mtd, oob_data, CFG_NAND_OOBSIZE);
- /*
- * Read page into buffer
- */
- for (i=0; i<CFG_NAND_PAGE_SIZE; i++)
- *dst++ = this->read_byte(mtd);
+ /* Pick the ECC bytes out of the oob data */
+ for (i = 0; i < CFG_NAND_ECCTOTAL; i++)
+ ecc_code[i] = oob_data[nand_ecc_pos[i]];
+
+ eccsteps = CFG_NAND_ECCSTEPS;
+ p = dst;
+
+ for (i = 0 ; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
+ /* No chance to do something with the possible error message
+ * from correct_data(). We just hope that all possible errors
+ * are corrected by this routine.
+ */
+ stat = this->correct_data(mtd, p, &ecc_code[i], &ecc_calc[i]);
+ }
return 0;
}
projects / platform / kernel / u-boot.git / commitdiff