From: Wolfgang Denk Date: Mon, 6 Mar 2006 22:18:48 +0000 (+0100) Subject: Merge with /home/wd/git/u-boot/master X-Git-Tag: v2008.10-rc1~1269 X-Git-Url: http://review.tizen.org/git/?p=platform%2Fkernel%2Fu-boot.git;a=commitdiff_plain;h=951a954b77ef30df1f5c1b7b9b4312e783b2cbb4 Merge with /home/wd/git/u-boot/master Code cleanup. --- 951a954b77ef30df1f5c1b7b9b4312e783b2cbb4 diff --cc board/delta/config.mk index b269b6e,0000000..9564625 mode 100644,000000..100644 --- a/board/delta/config.mk +++ b/board/delta/config.mk @@@ -1,9 -1,0 +1,8 @@@ +#TEXT_BASE = 0x0 +#TEXT_BASE = 0xa1700000 +#TEXT_BASE = 0xa3080000 +#TEXT_BASE = 0x9ffe0000 +TEXT_BASE = 0xa3008000 + +# Compile the new NAND code (needed iff #ifdef CONFIG_NEW_NAND_CODE) +BOARDLIBS = drivers/nand/libnand.a - diff --cc board/delta/lowlevel_init.S index 66e7575,0000000..498cf7f mode 100644,000000..100644 --- a/board/delta/lowlevel_init.S +++ b/board/delta/lowlevel_init.S @@@ -1,385 -1,0 +1,385 @@@ +/* + * Most of this taken from Redboot hal_platform_setup.h with cleanup + * + * NOTE: I haven't clean this up considerably, just enough to get it + * running. See hal_platform_setup.h for the source. See + * board/cradle/lowlevel_init.S for another PXA250 setup that is + * much cleaner. + * + * 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 ++ * 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 +#include +#include + +DRAM_SIZE: .long CFG_DRAM_SIZE + +/* wait for coprocessor write complete */ - .macro CPWAIT reg - mrc p15,0,\reg,c2,c0,0 - mov \reg,\reg - sub pc,pc,#4 - .endm ++.macro CPWAIT reg ++ mrc p15,0,\reg,c2,c0,0 ++ mov \reg,\reg ++ sub pc,pc,#4 ++.endm + + +.macro wait time - ldr r2, =OSCR - mov r3, #0 - str r3, [r2] ++ ldr r2, =OSCR ++ mov r3, #0 ++ str r3, [r2] +0: - ldr r3, [r2] - cmp r3, \time - bls 0b ++ ldr r3, [r2] ++ cmp r3, \time ++ bls 0b +.endm + +/* - * Memory setup ++ * Memory setup + */ + +.globl lowlevel_init +lowlevel_init: + /* Set up GPIO pins first ----------------------------------------- */ - mov r10, lr - - /* Configure GPIO Pins 97, 98 UART1 / altern. Fkt. 1 */ ++ mov r10, lr ++ ++ /* Configure GPIO Pins 97, 98 UART1 / altern. Fkt. 1 */ + ldr r0, =GPIO97 + ldr r1, =0x801 + str r1, [r0] + + ldr r0, =GPIO98 + ldr r1, =0x801 + str r1, [r0] - - /* tebrandt - ASCR, clear the RDH bit */ - ldr r0, =ASCR - ldr r1, [r0] - bic r1, r1, #0x80000000 - str r1, [r0] - ++ ++ /* tebrandt - ASCR, clear the RDH bit */ ++ ldr r0, =ASCR ++ ldr r1, [r0] ++ bic r1, r1, #0x80000000 ++ str r1, [r0] ++ + /* ---------------------------------------------------------------- */ - /* Enable memory interface */ ++ /* Enable memory interface */ + /* ---------------------------------------------------------------- */ + + /* ---------------------------------------------------------------- */ - /* Step 1: Wait for at least 200 microsedonds to allow internal */ - /* clocks to settle. Only necessary after hard reset... */ - /* FIXME: can be optimized later */ ++ /* Step 1: Wait for at least 200 microsedonds to allow internal */ ++ /* clocks to settle. Only necessary after hard reset... */ ++ /* FIXME: can be optimized later */ + /* ---------------------------------------------------------------- */ - ; wait #300 - ++; wait #300 ++ +mem_init: + +#define NEW_SDRAM_INIT 1 +#ifdef NEW_SDRAM_INIT + + /* Configure ACCR Register - enable DMEMC Clock at 260 / 2 MHz */ + ldr r0, =ACCR + ldr r1, [r0] + orr r1, r1, #0x3000 + str r1, [r0] + ldr r1, [r0] + + /* 2. Programm MDCNFG, leaving DMCEN de-asserted */ + ldr r0, =MDCNFG + ldr r1, =(MDCNFG_DMAP | MDCNFG_DTYPE | MDCNFG_DTC_2 | MDCNFG_DCSE0 | MDCNFG_DRAC_13) - /* ldr r1, =0x80000403 */ ++ /* ldr r1, =0x80000403 */ + str r1, [r0] + ldr r1, [r0] /* delay until written */ + - /* 3. wait nop power up waiting period (200ms) ++ /* 3. wait nop power up waiting period (200ms) + * optimization: Steps 4+6 can be done during this + */ + wait #300 + + /* 4. Perform an initial Rcomp-calibration cycle */ + ldr r0, =RCOMP + ldr r1, =0x80000000 + str r1, [r0] + ldr r1, [r0] /* delay until written */ + /* missing: program for automatic rcomp evaluation cycles */ + + /* 5. DDR DRAM strobe delay calibration */ + ldr r0, =DDR_HCAL + ldr r1, =0x88000007 + str r1, [r0] + wait #5 + ldr r1, [r0] /* delay until written */ + + /* Set MDMRS */ + ldr r0, =MDMRS + ldr r1, =0x60000033 + str r1, [r0] + wait #300 - ++ + /* Configure MDREFR */ + ldr r0, =MDREFR + ldr r1, =0x00000006 + str r1, [r0] + ldr r1, [r0] + + /* Enable the dynamic memory controller */ + ldr r0, =MDCNFG + ldr r1, [r0] + orr r1, r1, #MDCNFG_DMCEN + str r1, [r0] + + +#else /* NEW_SDRAM_INIT */ - ++ + /* configure the MEMCLKCFG register */ - ldr r1, =MEMCLKCFG - ldr r2, =0x00010001 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - ++ ldr r1, =MEMCLKCFG ++ ldr r2, =0x00010001 ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ + /* set CSADRCFG[0] to data flash SRAM mode */ - ldr r1, =CSADRCFG0 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - ++ ldr r1, =CSADRCFG0 ++ ldr r2, =0x00320809 ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ + /* set CSADRCFG[1] to data flash SRAM mode */ - ldr r1, =CSADRCFG1 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - ++ ldr r1, =CSADRCFG1 ++ ldr r2, =0x00320809 ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ + /* set MSC 0 register for SRAM memory */ - ldr r1, =MSC0 - ldr r2, =0x11191119 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - ++ ldr r1, =MSC0 ++ ldr r2, =0x11191119 ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ + /* set CSADRCFG[2] to data flash SRAM mode */ - ldr r1, =CSADRCFG2 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - ++ ldr r1, =CSADRCFG2 ++ ldr r2, =0x00320809 ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ + /* set CSADRCFG[3] to VLIO mode */ - ldr r1, =CSADRCFG3 - ldr r2, =0x0032080B - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ ldr r1, =CSADRCFG3 ++ ldr r2, =0x0032080B ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN + + /* set MSC 1 register for VLIO memory */ - ldr r1, =MSC1 - ldr r2, =0x123C1119 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ ldr r1, =MSC1 ++ ldr r2, =0x123C1119 ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN + +#if 0 + /* This does not work in Zylonite. -SC */ + ldr r0, =0x15fffff0 + ldr r1, =0xb10b + str r1, [r0] + str r1, [r0, #4] +#endif + + /* Configure ACCR Register */ + ldr r0, =ACCR @ ACCR + ldr r1, =0x0180b108 + str r1, [r0] + ldr r1, [r0] + + /* Configure MDCNFG Register */ + ldr r0, =MDCNFG @ MDCNFG + ldr r1, =0x403 + str r1, [r0] + ldr r1, [r0] + + /* Perform Resistive Compensation by configuring RCOMP register */ + ldr r1, =RCOMP @ RCOMP + ldr r2, =0x000000ff + str r2, [r1] + ldr r2, [r1] + + /* Configure MDMRS Register for SDCS0 */ + ldr r1, =MDMRS @ MDMRS + ldr r2, =0x60000023 + ldr r3, [r1] + orr r2, r2, r3 + str r2, [r1] + ldr r2, [r1] + + /* Configure MDMRS Register for SDCS1 */ + ldr r1, =MDMRS @ MDMRS + ldr r2, =0xa0000023 + ldr r3, [r1] + orr r2, r2, r3 + str r2, [r1] + ldr r2, [r1] + + /* Configure MDREFR */ + ldr r1, =MDREFR @ MDREFR + ldr r2, =0x00000006 + str r2, [r1] + ldr r2, [r1] + + /* Configure EMPI */ + ldr r1, =EMPI @ EMPI + ldr r2, =0x80000000 + str r2, [r1] + ldr r2, [r1] + + /* Hardware DDR Read-Strobe Delay Calibration */ - ldr r0, =DDR_HCAL @ DDR_HCAL - ldr r1, =0x803ffc07 @ the offset is correct? -SC - str r1, [r0] ++ ldr r0, =DDR_HCAL @ DDR_HCAL ++ ldr r1, =0x803ffc07 @ the offset is correct? -SC ++ str r1, [r0] + wait #5 - ldr r1, [r0] ++ ldr r1, [r0] + + /* Here we assume the hardware calibration alwasy be successful. -SC */ + /* Set DMCEN bit in MDCNFG Register */ + ldr r0, =MDCNFG @ MDCNFG + ldr r1, [r0] + orr r1, r1, #0x40000000 @ enable SDRAM for Normal Access + str r1, [r0] + +#endif /* NEW_SDRAM_INIT */ - ++ +#ifndef CFG_SKIP_DRAM_SCRUB + /* scrub/init SDRAM if enabled/present */ + ldr r8, =CFG_DRAM_BASE /* base address of SDRAM (CFG_DRAM_BASE) */ + ldr r9, =CFG_DRAM_SIZE /* size of memory to scrub (CFG_DRAM_SIZE) */ + mov r0, #0 /* scrub with 0x0000:0000 */ + mov r1, #0 - mov r2, #0 ++ mov r2, #0 + mov r3, #0 - mov r4, #0 ++ mov r4, #0 + mov r5, #0 - mov r6, #0 ++ mov r6, #0 + mov r7, #0 - 10: /* fastScrubLoop */ ++10: /* fastScrubLoop */ + subs r9, r9, #32 /* 8 words/line */ + stmia r8!, {r0-r7} + beq 15f + b 10b +#endif /* CFG_SKIP_DRAM_SCRUB */ + +15: + /* Mask all interrupts */ + mov r1, #0 + mcr p6, 0, r1, c1, c0, 0 @ ICMR + + /* Disable software and data breakpoints */ + mov r0, #0 - mcr p15,0,r0,c14,c8,0 // ibcr0 - mcr p15,0,r0,c14,c9,0 // ibcr1 - mcr p15,0,r0,c14,c4,0 // dbcon ++ mcr p15,0,r0,c14,c8,0 /* ibcr0 */ ++ mcr p15,0,r0,c14,c9,0 /* ibcr1 */ ++ mcr p15,0,r0,c14,c4,0 /* dbcon */ + + /* Enable all debug functionality */ + mov r0,#0x80000000 - mcr p14,0,r0,c10,c0,0 // dcsr ++ mcr p14,0,r0,c10,c0,0 /* dcsr */ + +endlowlevel_init: + - mov pc, lr ++ mov pc, lr + + +/* +@******************************************************************************** +@ DDR calibration - @ ++@ +@ This function is used to calibrate DQS delay lines. - @ Monahans supports three ways to do it. One is software ++@ Monahans supports three ways to do it. One is software +@ calibration. Two is hardware calibration. Three is hybrid +@ calibration. +@ +@ TBD +@ -SC +ddr_calibration: + + @ Case 1: Write the correct delay value once - @ Configure DDR_SCAL Register - ldr r0, =DDR_SCAL @ DDR_SCAL - q ldr r1, =0xaf2f2f2f - str r1, [r0] - ldr r1, [r0] ++ @ Configure DDR_SCAL Register ++ ldr r0, =DDR_SCAL @ DDR_SCAL ++q ldr r1, =0xaf2f2f2f ++ str r1, [r0] ++ ldr r1, [r0] +*/ +/* @ Case 2: Software Calibration + @ Write test pattern to memory - ldr r5, =0x0faf0faf @ Data Pattern ++ ldr r5, =0x0faf0faf @ Data Pattern + ldr r4, =0xa0000000 @ DDR ram + str r5, [r4] + + mov r1, =0x0 @ delay count + mov r6, =0x0 + mov r7, =0x0 +ddr_loop1: + add r1, r1, =0x1 + cmp r1, =0xf + ble end_loop + mov r3, r1 - mov r0, r1, lsl #30 ++ mov r0, r1, lsl #30 + orr r3, r3, r0 - mov r0, r1, lsl #22 ++ mov r0, r1, lsl #22 + orr r3, r3, r0 - mov r0, r1, lsl #14 ++ mov r0, r1, lsl #14 + orr r3, r3, r0 + orr r3, r3, =0x80000000 + ldr r2, =DDR_SCAL + str r3, [r2] + + ldr r2, [r4] + cmp r2, r5 + bne ddr_loop1 + mov r6, r1 +ddr_loop2: + add r1, r1, =0x1 + cmp r1, =0xf + ble end_loop - mov r3, r1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - str r3, [r2] ++ mov r3, r1 ++ mov r0, r1, lsl #30 ++ orr r3, r3, r0 ++ mov r0, r1, lsl #22 ++ orr r3, r3, r0 ++ mov r0, r1, lsl #14 ++ orr r3, r3, r0 ++ orr r3, r3, =0x80000000 ++ ldr r2, =DDR_SCAL ++ str r3, [r2] + + ldr r2, [r4] + cmp r2, r5 + be ddr_loop2 + mov r7, r2 + + add r3, r6, r7 + lsr r3, r3, =0x1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - ++ mov r0, r1, lsl #30 ++ orr r3, r3, r0 ++ mov r0, r1, lsl #22 ++ orr r3, r3, r0 ++ mov r0, r1, lsl #14 ++ orr r3, r3, r0 ++ orr r3, r3, =0x80000000 ++ ldr r2, =DDR_SCAL ++ +end_loop: + + @ Case 3: Hardware Calibratoin - ldr r0, =DDR_HCAL @ DDR_HCAL - ldr r1, =0x803ffc07 @ the offset is correct? -SC - str r1, [r0] ++ ldr r0, =DDR_HCAL @ DDR_HCAL ++ ldr r1, =0x803ffc07 @ the offset is correct? -SC ++ str r1, [r0] + wait #5 - ldr r1, [r0] - mov pc, lr ++ ldr r1, [r0] ++ mov pc, lr +*/ diff --cc board/delta/nand.c index 5876727,0000000..50def59 mode 100644,000000..100644 --- a/board/delta/nand.c +++ b/board/delta/nand.c @@@ -1,592 -1,0 +1,590 @@@ +/* + * (C) Copyright 2006 DENX Software Engineering + * + * 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 + +#if (CONFIG_COMMANDS & CFG_CMD_NAND) +#ifdef CONFIG_NEW_NAND_CODE + +#include +#include + +#ifdef CFG_DFC_DEBUG1 +# define DFC_DEBUG1(fmt, args...) printf(fmt, ##args) +#else +# define DFC_DEBUG1(fmt, args...) +#endif + +#ifdef CFG_DFC_DEBUG2 +# define DFC_DEBUG2(fmt, args...) printf(fmt, ##args) +#else +# define DFC_DEBUG2(fmt, args...) +#endif + +#ifdef CFG_DFC_DEBUG3 +# define DFC_DEBUG3(fmt, args...) printf(fmt, ##args) +#else +# define DFC_DEBUG3(fmt, args...) +#endif + +#define MIN(x, y) ((x < y) ? x : y) + +/* These really don't belong here, as they are specific to the NAND Model */ +static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; + +static struct nand_bbt_descr delta_bbt_descr = { + .options = 0, + .offs = 0, + .len = 2, + .pattern = scan_ff_pattern +}; + +static struct nand_oobinfo delta_oob = { + .useecc = MTD_NANDECC_AUTOPL_USR, /* MTD_NANDECC_PLACEONLY, */ + .eccbytes = 6, + .eccpos = {2, 3, 4, 5, 6, 7}, + .oobfree = { {8, 2}, {12, 4} } +}; + + +/* + * not required for Monahans DFC + */ +static void dfc_hwcontrol(struct mtd_info *mtdinfo, int cmd) +{ + return; +} + +#if 0 +/* read device ready pin */ +static int dfc_device_ready(struct mtd_info *mtdinfo) +{ + if(NDSR & NDSR_RDY) + return 1; + else + return 0; + return 0; +} +#endif + +/* + * Write buf to the DFC Controller Data Buffer + */ +static void dfc_write_buf(struct mtd_info *mtd, const u_char *buf, int len) +{ + unsigned long bytes_multi = len & 0xfffffffc; + unsigned long rest = len & 0x3; + unsigned long *long_buf; + int i; - ++ + DFC_DEBUG2("dfc_write_buf: writing %d bytes starting with 0x%x.\n", len, *((unsigned long*) buf)); + if(bytes_multi) { + for(i=0; i>j) & 0xff); + } + + return; +} + +/* + * read a word. Not implemented as not used in NAND code. + */ +static u16 dfc_read_word(struct mtd_info *mtd) +{ + printf("dfc_write_byte: UNIMPLEMENTED.\n"); + return 0; +} + +/* global var, too bad: mk@tbd: move to ->priv pointer */ +static unsigned long read_buf = 0; +static int bytes_read = -1; + - /* ++/* + * read a byte from NDDB Because we can only read 4 bytes from NDDB at + * a time, we buffer the remaining bytes. The buffer is reset when a + * new command is sent to the chip. + * + * WARNING: + * This function is currently only used to read status and id + * bytes. For these commands always 8 bytes need to be read from + * NDDB. So we read and discard these bytes right now. In case this + * function is used for anything else in the future, we must check + * what was the last command issued and read the appropriate amount of + * bytes respectively. + */ +static u_char dfc_read_byte(struct mtd_info *mtd) +{ + unsigned char byte; + unsigned long dummy; + + if(bytes_read < 0) { + read_buf = NDDB; - dummy = NDDB; ++ dummy = NDDB; + bytes_read = 0; + } + byte = (unsigned char) (read_buf>>(8 * bytes_read++)); + if(bytes_read >= 4) + bytes_read = -1; + + DFC_DEBUG2("dfc_read_byte: byte %u: 0x%x of (0x%x).\n", bytes_read - 1, byte, read_buf); + return byte; +} + +/* calculate delta between OSCR values start and now */ +static unsigned long get_delta(unsigned long start) +{ + unsigned long cur = OSCR; - ++ + if(cur < start) /* OSCR overflowed */ + return (cur + (start^0xffffffff)); + else + return (cur - start); +} + +/* delay function, this doesn't belong here */ +static void wait_us(unsigned long us) +{ + unsigned long start = OSCR; + us *= OSCR_CLK_FREQ; + + while (get_delta(start) < us) { + /* do nothing */ + } +} + +static void dfc_clear_nddb() +{ + NDCR &= ~NDCR_ND_RUN; + wait_us(CFG_NAND_OTHER_TO); +} + +/* wait_event with timeout */ +static unsigned long dfc_wait_event(unsigned long event) +{ + unsigned long ndsr, timeout, start = OSCR; - ++ + if(!event) + return 0xff000000; + else if(event & (NDSR_CS0_CMDD | NDSR_CS0_BBD)) + timeout = CFG_NAND_PROG_ERASE_TO * OSCR_CLK_FREQ; + else + timeout = CFG_NAND_OTHER_TO * OSCR_CLK_FREQ; - ++ + while(1) { + ndsr = NDSR; + if(ndsr & event) { + NDSR |= event; + break; + } + if(get_delta(start) > timeout) { + DFC_DEBUG1("dfc_wait_event: TIMEOUT waiting for event: 0x%x.\n", event); + return 0xff000000; + } - ++ + } + return ndsr; +} + +/* we don't always wan't to do this */ +static void dfc_new_cmd() +{ + int retry = 0; + unsigned long status; + + while(retry++ <= CFG_NAND_SENDCMD_RETRY) { + /* Clear NDSR */ + NDSR = 0xFFF; - ++ + /* set NDCR[NDRUN] */ + if(!(NDCR & NDCR_ND_RUN)) + NDCR |= NDCR_ND_RUN; - ++ + status = dfc_wait_event(NDSR_WRCMDREQ); - ++ + if(status & NDSR_WRCMDREQ) + return; + + DFC_DEBUG2("dfc_new_cmd: FAILED to get WRITECMDREQ, retry: %d.\n", retry); + dfc_clear_nddb(); + } + DFC_DEBUG1("dfc_new_cmd: giving up after %d retries.\n", retry); +} + +/* this function is called after Programm and Erase Operations to + * check for success or failure */ +static int dfc_wait(struct mtd_info *mtd, struct nand_chip *this, int state) +{ + unsigned long ndsr=0, event=0; + + /* mk@tbd set appropriate timeouts */ + /* if (state == FL_ERASING) */ + /* timeo = CFG_HZ * 400; */ + /* else */ + /* timeo = CFG_HZ * 20; */ + if(state == FL_WRITING) { + event = NDSR_CS0_CMDD | NDSR_CS0_BBD; + } else if(state == FL_ERASING) { + event = NDSR_CS0_CMDD | NDSR_CS0_BBD; + } - ++ + ndsr = dfc_wait_event(event); + + if((ndsr & NDSR_CS0_BBD) || (ndsr & 0xff000000)) + return(0x1); /* Status Read error */ + return 0; +} + +/* cmdfunc send commands to the DFC */ - static void dfc_cmdfunc(struct mtd_info *mtd, unsigned command, ++static void dfc_cmdfunc(struct mtd_info *mtd, unsigned command, + int column, int page_addr) +{ + /* register struct nand_chip *this = mtd->priv; */ + unsigned long ndcb0=0, ndcb1=0, ndcb2=0, event=0; + + /* clear the ugly byte read buffer */ + bytes_read = -1; + read_buf = 0; + + switch (command) { + case NAND_CMD_READ0: + DFC_DEBUG3("dfc_cmdfunc: NAND_CMD_READ0, page_addr: 0x%x, column: 0x%x.\n", page_addr, (column>>1)); + dfc_new_cmd(); + ndcb0 = (NAND_CMD_READ0 | (4<<16)); + column >>= 1; /* adjust for 16 bit bus */ + ndcb1 = (((column>>1) & 0xff) | + ((page_addr<<8) & 0xff00) | + ((page_addr<<8) & 0xff0000) | + ((page_addr<<8) & 0xff000000)); /* make this 0x01000000 ? */ + event = NDSR_RDDREQ; + goto write_cmd; + case NAND_CMD_READ1: + DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_READ1 unimplemented!\n"); + goto end; + case NAND_CMD_READOOB: + DFC_DEBUG1("dfc_cmdfunc: NAND_CMD_READOOB unimplemented!\n"); + goto end; + case NAND_CMD_READID: + dfc_new_cmd(); + DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_READID.\n"); + ndcb0 = (NAND_CMD_READID | (3 << 21) | (1 << 16)); /* addr cycles*/ + event = NDSR_RDDREQ; + goto write_cmd; + case NAND_CMD_PAGEPROG: + /* sent as a multicommand in NAND_CMD_SEQIN */ + DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_PAGEPROG empty due to multicmd.\n"); + goto end; + case NAND_CMD_ERASE1: + DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_ERASE1, page_addr: 0x%x, column: 0x%x.\n", page_addr, (column>>1)); + dfc_new_cmd(); + ndcb0 = (0xd060 | (1<<25) | (2<<21) | (1<<19) | (3<<16)); + ndcb1 = (page_addr & 0x00ffffff); + goto write_cmd; + case NAND_CMD_ERASE2: + DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_ERASE2 empty due to multicmd.\n"); + goto end; + case NAND_CMD_SEQIN: + /* send PAGE_PROG command(0x1080) */ + dfc_new_cmd(); + DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_SEQIN/PAGE_PROG, page_addr: 0x%x, column: 0x%x.\n", page_addr, (column>>1)); + ndcb0 = (0x1080 | (1<<25) | (1<<21) | (1<<19) | (4<<16)); + column >>= 1; /* adjust for 16 bit bus */ + ndcb1 = (((column>>1) & 0xff) | + ((page_addr<<8) & 0xff00) | + ((page_addr<<8) & 0xff0000) | + ((page_addr<<8) & 0xff000000)); /* make this 0x01000000 ? */ + event = NDSR_WRDREQ; + goto write_cmd; + case NAND_CMD_STATUS: + DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_STATUS.\n"); + dfc_new_cmd(); + ndcb0 = NAND_CMD_STATUS | (4<<21); + event = NDSR_RDDREQ; + goto write_cmd; + case NAND_CMD_RESET: + DFC_DEBUG2("dfc_cmdfunc: NAND_CMD_RESET.\n"); + ndcb0 = NAND_CMD_RESET | (5<<21); + event = NDSR_CS0_CMDD; + goto write_cmd; + default: + printk("dfc_cmdfunc: error, unsupported command.\n"); + goto end; + } + + write_cmd: + NDCB0 = ndcb0; + NDCB0 = ndcb1; + NDCB0 = ndcb2; + + /* wait_event: */ + dfc_wait_event(event); + end: + return; +} + +static void dfc_gpio_init() +{ + DFC_DEBUG2("Setting up DFC GPIO's.\n"); + + /* no idea what is done here, see zylonite.c */ + GPIO4 = 0x1; - ++ + DF_ALE_WE1 = 0x00000001; + DF_ALE_WE2 = 0x00000001; + DF_nCS0 = 0x00000001; + DF_nCS1 = 0x00000001; + DF_nWE = 0x00000001; + DF_nRE = 0x00000001; + DF_IO0 = 0x00000001; + DF_IO8 = 0x00000001; + DF_IO1 = 0x00000001; + DF_IO9 = 0x00000001; + DF_IO2 = 0x00000001; + DF_IO10 = 0x00000001; + DF_IO3 = 0x00000001; + DF_IO11 = 0x00000001; + DF_IO4 = 0x00000001; + DF_IO12 = 0x00000001; + DF_IO5 = 0x00000001; + DF_IO13 = 0x00000001; + DF_IO6 = 0x00000001; + DF_IO14 = 0x00000001; + DF_IO7 = 0x00000001; + DF_IO15 = 0x00000001; + + DF_nWE = 0x1901; + DF_nRE = 0x1901; + DF_CLE_NOE = 0x1900; + DF_ALE_WE1 = 0x1901; + DF_INT_RnB = 0x1900; +} + +/* + * Board-specific NAND initialization. The following members of the + * argument are board-specific (per include/linux/mtd/nand_new.h): + * - IO_ADDR_R?: address to read the 8 I/O lines of the flash device + * - IO_ADDR_W?: address to write the 8 I/O lines of the flash device + * - hwcontrol: hardwarespecific function for accesing control-lines + * - dev_ready: hardwarespecific function for accesing device ready/busy line + * - enable_hwecc?: function to enable (reset) hardware ecc generator. Must + * only be provided if a hardware ECC is available + * - eccmode: mode of ecc, see defines + * - chip_delay: chip dependent delay for transfering data from array to + * read regs (tR) + * - options: various chip options. They can partly be set to inform + * nand_scan about special functionality. See the defines for further + * explanation + * Members with a "?" were not set in the merged testing-NAND branch, + * so they are not set here either. + */ +void board_nand_init(struct nand_chip *nand) +{ + unsigned long tCH, tCS, tWH, tWP, tRH, tRP, tRP_high, tR, tWHR, tAR; + + /* set up GPIO Control Registers */ + dfc_gpio_init(); + + /* turn on the NAND Controller Clock (104 MHz @ D0) */ + CKENA |= (CKENA_4_NAND | CKENA_9_SMC); + +#undef CFG_TIMING_TIGHT - #ifndef CFG_TIMING_TIGHT - tCH = MIN(((unsigned long) (NAND_TIMING_tCH * DFC_CLK_PER_US) + 1), ++#ifndef CFG_TIMING_TIGHT ++ tCH = MIN(((unsigned long) (NAND_TIMING_tCH * DFC_CLK_PER_US) + 1), + DFC_MAX_tCH); - tCS = MIN(((unsigned long) (NAND_TIMING_tCS * DFC_CLK_PER_US) + 1), ++ tCS = MIN(((unsigned long) (NAND_TIMING_tCS * DFC_CLK_PER_US) + 1), + DFC_MAX_tCS); + tWH = MIN(((unsigned long) (NAND_TIMING_tWH * DFC_CLK_PER_US) + 1), + DFC_MAX_tWH); + tWP = MIN(((unsigned long) (NAND_TIMING_tWP * DFC_CLK_PER_US) + 1), + DFC_MAX_tWP); + tRH = MIN(((unsigned long) (NAND_TIMING_tRH * DFC_CLK_PER_US) + 1), + DFC_MAX_tRH); + tRP = MIN(((unsigned long) (NAND_TIMING_tRP * DFC_CLK_PER_US) + 1), + DFC_MAX_tRP); + tR = MIN(((unsigned long) (NAND_TIMING_tR * DFC_CLK_PER_US) + 1), + DFC_MAX_tR); + tWHR = MIN(((unsigned long) (NAND_TIMING_tWHR * DFC_CLK_PER_US) + 1), + DFC_MAX_tWHR); + tAR = MIN(((unsigned long) (NAND_TIMING_tAR * DFC_CLK_PER_US) + 1), + DFC_MAX_tAR); +#else /* this is the tight timing */ + - tCH = MIN(((unsigned long) (NAND_TIMING_tCH * DFC_CLK_PER_US)), ++ tCH = MIN(((unsigned long) (NAND_TIMING_tCH * DFC_CLK_PER_US)), + DFC_MAX_tCH); - tCS = MIN(((unsigned long) (NAND_TIMING_tCS * DFC_CLK_PER_US)), ++ tCS = MIN(((unsigned long) (NAND_TIMING_tCS * DFC_CLK_PER_US)), + DFC_MAX_tCS); + tWH = MIN(((unsigned long) (NAND_TIMING_tWH * DFC_CLK_PER_US)), + DFC_MAX_tWH); + tWP = MIN(((unsigned long) (NAND_TIMING_tWP * DFC_CLK_PER_US)), + DFC_MAX_tWP); + tRH = MIN(((unsigned long) (NAND_TIMING_tRH * DFC_CLK_PER_US)), + DFC_MAX_tRH); + tRP = MIN(((unsigned long) (NAND_TIMING_tRP * DFC_CLK_PER_US)), + DFC_MAX_tRP); + tR = MIN(((unsigned long) (NAND_TIMING_tR * DFC_CLK_PER_US) - tCH - 2), + DFC_MAX_tR); + tWHR = MIN(((unsigned long) (NAND_TIMING_tWHR * DFC_CLK_PER_US) - tCH - 2), + DFC_MAX_tWHR); + tAR = MIN(((unsigned long) (NAND_TIMING_tAR * DFC_CLK_PER_US) - 2), + DFC_MAX_tAR); +#endif /* CFG_TIMING_TIGHT */ + + + DFC_DEBUG2("tCH=%u, tCS=%u, tWH=%u, tWP=%u, tRH=%u, tRP=%u, tR=%u, tWHR=%u, tAR=%u.\n", tCH, tCS, tWH, tWP, tRH, tRP, tR, tWHR, tAR); + + /* tRP value is split in the register */ + if(tRP & (1 << 4)) { + tRP_high = 1; + tRP &= ~(1 << 4); + } else { + tRP_high = 0; + } + + NDTR0CS0 = (tCH << 19) | + (tCS << 16) | + (tWH << 11) | + (tWP << 8) | + (tRP_high << 6) | + (tRH << 3) | + (tRP << 0); - ++ + NDTR1CS0 = (tR << 16) | + (tWHR << 4) | + (tAR << 0); + - - + /* If it doesn't work (unlikely) think about: + * - ecc enable + * - chip select don't care + * - read id byte count + * + * Intentionally enabled by not setting bits: + * - dma (DMA_EN) + * - page size = 512 + * - cs don't care, see if we can enable later! + * - row address start position (after second cycle) + * - pages per block = 32 + * - ND_RDY : clears command buffer + */ + /* NDCR_NCSX | /\* Chip select busy don't care *\/ */ - ++ + NDCR = (NDCR_SPARE_EN | /* use the spare area */ + NDCR_DWIDTH_C | /* 16bit DFC data bus width */ + NDCR_DWIDTH_M | /* 16 bit Flash device data bus width */ + (2 << 16) | /* read id count = 7 ???? mk@tbd */ + NDCR_ND_ARB_EN | /* enable bus arbiter */ + NDCR_RDYM | /* flash device ready ir masked */ + NDCR_CS0_PAGEDM | /* ND_nCSx page done ir masked */ + NDCR_CS1_PAGEDM | + NDCR_CS0_CMDDM | /* ND_CSx command done ir masked */ + NDCR_CS1_CMDDM | + NDCR_CS0_BBDM | /* ND_CSx bad block detect ir masked */ + NDCR_CS1_BBDM | - NDCR_DBERRM | /* double bit error ir masked */ ++ NDCR_DBERRM | /* double bit error ir masked */ + NDCR_SBERRM | /* single bit error ir masked */ + NDCR_WRDREQM | /* write data request ir masked */ + NDCR_RDDREQM | /* read data request ir masked */ + NDCR_WRCMDREQM); /* write command request ir masked */ - ++ + + /* wait 10 us due to cmd buffer clear reset */ + /* wait(10); */ - - ++ ++ + nand->hwcontrol = dfc_hwcontrol; +/* nand->dev_ready = dfc_device_ready; */ + nand->eccmode = NAND_ECC_SOFT; + nand->chip_delay = NAND_DELAY_US; + nand->options = NAND_BUSWIDTH_16; + nand->waitfunc = dfc_wait; + nand->read_byte = dfc_read_byte; + nand->write_byte = dfc_write_byte; + nand->read_word = dfc_read_word; + nand->write_word = dfc_write_word; + nand->read_buf = dfc_read_buf; + nand->write_buf = dfc_write_buf; + + nand->cmdfunc = dfc_cmdfunc; + nand->autooob = &delta_oob; + nand->badblock_pattern = &delta_bbt_descr; +} + +#else + #error "U-Boot legacy NAND support not available for Monahans DFC." +#endif +#endif diff --cc board/mcc200/mt48lc8m32b2-6-7.h index 0000000,73dcd5c..13aebbd mode 000000,100644..100644 --- a/board/mcc200/mt48lc8m32b2-6-7.h +++ b/board/mcc200/mt48lc8m32b2-6-7.h @@@ -1,0 -1,12 +1,12 @@@ + /* + * Configuration Registers for the MT48LC8M32B2 SDRAM on the MPC5200 platform + */ + + #define SDRAM_DDR 0 /* is SDR */ + + /* Settings for XLB = 132 MHz */ + -#define SDRAM_MODE 0x008d0000 // CL-3 BURST-8 -> Mode Register—MBAR + 0x0100 -#define SDRAM_CONTROL 0x504f0000 // Control Register—MBAR + 0x0104 -#define SDRAM_CONFIG1 0xc2222900 // Delays between commands -> Configuration Register 1—MBAR + 0x0108 -#define SDRAM_CONFIG2 0x88c70000 // Delays between commands -> Configuration Register 2—MBAR + 0x010C ++#define SDRAM_MODE 0x008d0000 /* CL-3 BURST-8 -> Mode Register MBAR + 0x0100 */ ++#define SDRAM_CONTROL 0x504f0000 /* Control Register MBAR + 0x0104 */ ++#define SDRAM_CONFIG1 0xc2222900 /* Delays between commands -> Configuration Register 1 MBAR + 0x0108 */ ++#define SDRAM_CONFIG2 0x88c70000 /* Delays between commands -> Configuration Register 2 MBAR + 0x010C */ diff --cc board/zylonite/lowlevel_init.S index 4d62be5,0000000..c3bb4eb mode 100644,000000..100644 --- a/board/zylonite/lowlevel_init.S +++ b/board/zylonite/lowlevel_init.S @@@ -1,375 -1,0 +1,371 @@@ +/* + * Most of this taken from Redboot hal_platform_setup.h with cleanup + * + * NOTE: I haven't clean this up considerably, just enough to get it + * running. See hal_platform_setup.h for the source. See + * board/cradle/lowlevel_init.S for another PXA250 setup that is + * much cleaner. + * + * 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 ++ * 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 +#include +#include + +DRAM_SIZE: .long CFG_DRAM_SIZE + +/* wait for coprocessor write complete */ - .macro CPWAIT reg - mrc p15,0,\reg,c2,c0,0 - mov \reg,\reg - sub pc,pc,#4 - .endm ++.macro CPWAIT reg ++ mrc p15,0,\reg,c2,c0,0 ++ mov \reg,\reg ++ sub pc,pc,#4 ++.endm + + +.macro wait time - ldr r2, =OSCR - mov r3, #0 - str r3, [r2] ++ ldr r2, =OSCR ++ mov r3, #0 ++ str r3, [r2] +0: - ldr r3, [r2] - cmp r3, \time - bls 0b ++ ldr r3, [r2] ++ cmp r3, \time ++ bls 0b +.endm - ++ +/* - * Memory setup ++ * Memory setup + */ + +.globl lowlevel_init +lowlevel_init: + /* Set up GPIO pins first ----------------------------------------- */ - mov r10, lr - - /* Configure GPIO Pins 41 - 48 as UART1 / altern. Fkt. 2 */ - ldr r0, =0x40E10438 @ GPIO41 FFRXD - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E1043C @ GPIO42 FFTXD - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10440 @ GPIO43 FFCTS - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10444 @ GPIO 44 FFDCD - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10448 @ GPIO 45 FFDSR - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E1044C @ GPIO 46 FFRI - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10450 @ GPIO 47 FFDTR - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10454 @ GPIO 48 - ldr r1, =0x802 - str r1, [r0] - - /* tebrandt - ASCR, clear the RDH bit */ - ldr r0, =ASCR - ldr r1, [r0] - bic r1, r1, #0x80000000 - str r1, [r0] - ++ mov r10, lr ++ ++ /* Configure GPIO Pins 41 - 48 as UART1 / altern. Fkt. 2 */ ++ ldr r0, =0x40E10438 @ GPIO41 FFRXD ++ ldr r1, =0x802 ++ str r1, [r0] ++ ++ ldr r0, =0x40E1043C @ GPIO42 FFTXD ++ ldr r1, =0x802 ++ str r1, [r0] ++ ++ ldr r0, =0x40E10440 @ GPIO43 FFCTS ++ ldr r1, =0x802 ++ str r1, [r0] ++ ++ ldr r0, =0x40E10444 @ GPIO 44 FFDCD ++ ldr r1, =0x802 ++ str r1, [r0] ++ ++ ldr r0, =0x40E10448 @ GPIO 45 FFDSR ++ ldr r1, =0x802 ++ str r1, [r0] ++ ++ ldr r0, =0x40E1044C @ GPIO 46 FFRI ++ ldr r1, =0x802 ++ str r1, [r0] ++ ++ ldr r0, =0x40E10450 @ GPIO 47 FFDTR ++ ldr r1, =0x802 ++ str r1, [r0] ++ ++ ldr r0, =0x40E10454 @ GPIO 48 ++ ldr r1, =0x802 ++ str r1, [r0] ++ ++ /* tebrandt - ASCR, clear the RDH bit */ ++ ldr r0, =ASCR ++ ldr r1, [r0] ++ bic r1, r1, #0x80000000 ++ str r1, [r0] ++ + /* ---------------------------------------------------------------- */ - /* Enable memory interface */ - /* */ - /* The sequence below is based on the recommended init steps */ ++ /* Enable memory interface */ ++ /* */ ++ /* The sequence below is based on the recommended init steps */ + /* detailed in the Intel PXA250 Operating Systems Developers Guide, */ - /* Chapter 10. */ ++ /* Chapter 10. */ + /* ---------------------------------------------------------------- */ + + /* ---------------------------------------------------------------- */ - /* Step 1: Wait for at least 200 microsedonds to allow internal */ - /* clocks to settle. Only necessary after hard reset... */ - /* FIXME: can be optimized later */ ++ /* Step 1: Wait for at least 200 microsedonds to allow internal */ ++ /* clocks to settle. Only necessary after hard reset... */ ++ /* FIXME: can be optimized later */ + /* ---------------------------------------------------------------- */ + + /* mk: replaced with wait macro */ - /* ldr r3, =OSCR /\* reset the OS Timer Count to zero *\/ */ - /* mov r2, #0 */ - /* str r2, [r3] */ - /* ldr r4, =0x300 /\* really 0x2E1 is about 200usec, *\/ */ - /* /\* so 0x300 should be plenty *\/ */ ++/* ldr r3, =OSCR /\* reset the OS Timer Count to zero *\/ */ ++/* mov r2, #0 */ ++/* str r2, [r3] */ ++/* ldr r4, =0x300 /\* really 0x2E1 is about 200usec, *\/ */ ++/* /\* so 0x300 should be plenty *\/ */ +/* 1: */ - /* ldr r2, [r3] */ - /* cmp r4, r2 */ - /* bgt 1b */ ++/* ldr r2, [r3] */ ++/* cmp r4, r2 */ ++/* bgt 1b */ + wait #300 - ++ +mem_init: + + /* configure the MEMCLKCFG register */ - ldr r1, =MEMCLKCFG - ldr r2, =0x00010001 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - ++ ldr r1, =MEMCLKCFG ++ ldr r2, =0x00010001 ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ + /* set CSADRCFG[0] to data flash SRAM mode */ - ldr r1, =CSADRCFG0 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - ++ ldr r1, =CSADRCFG0 ++ ldr r2, =0x00320809 ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ + /* set CSADRCFG[1] to data flash SRAM mode */ - ldr r1, =CSADRCFG1 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - ++ ldr r1, =CSADRCFG1 ++ ldr r2, =0x00320809 ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ + /* set MSC 0 register for SRAM memory */ - ldr r1, =MSC0 - ldr r2, =0x11191119 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - ++ ldr r1, =MSC0 ++ ldr r2, =0x11191119 ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ + /* set CSADRCFG[2] to data flash SRAM mode */ - ldr r1, =CSADRCFG2 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - ++ ldr r1, =CSADRCFG2 ++ ldr r2, =0x00320809 ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ + /* set CSADRCFG[3] to VLIO mode */ - ldr r1, =CSADRCFG3 - ldr r2, =0x0032080B - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ ldr r1, =CSADRCFG3 ++ ldr r2, =0x0032080B ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN + + /* set MSC 1 register for VLIO memory */ - ldr r1, =MSC1 - ldr r2, =0x123C1119 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN ++ ldr r1, =MSC1 ++ ldr r2, =0x123C1119 ++ str r2, [r1] @ WRITE ++ ldr r2, [r1] @ DELAY UNTIL WRITTEN + +#if 0 + /* This does not work in Zylonite. -SC */ + ldr r0, =0x15fffff0 + ldr r1, =0xb10b + str r1, [r0] + str r1, [r0, #4] +#endif + + /* Configure ACCR Register */ + ldr r0, =ACCR @ ACCR + ldr r1, =0x0180b108 + str r1, [r0] + ldr r1, [r0] + + /* Configure MDCNFG Register */ + ldr r0, =MDCNFG @ MDCNFG + ldr r1, =0x403 + str r1, [r0] + ldr r1, [r0] + + /* Perform Resistive Compensation by configuring RCOMP register */ + ldr r1, =RCOMP @ RCOMP + ldr r2, =0x000000ff + str r2, [r1] + ldr r2, [r1] + + /* Configure MDMRS Register for SDCS0 */ + ldr r1, =MDMRS @ MDMRS + ldr r2, =0x60000023 + ldr r3, [r1] + orr r2, r2, r3 + str r2, [r1] + ldr r2, [r1] + + /* Configure MDMRS Register for SDCS1 */ + ldr r1, =MDMRS @ MDMRS + ldr r2, =0xa0000023 + ldr r3, [r1] + orr r2, r2, r3 + str r2, [r1] + ldr r2, [r1] + + /* Configure MDREFR */ + ldr r1, =MDREFR @ MDREFR + ldr r2, =0x00000006 + str r2, [r1] + ldr r2, [r1] + + /* Configure EMPI */ + ldr r1, =EMPI @ EMPI + ldr r2, =0x80000000 + str r2, [r1] + ldr r2, [r1] + + /* Hardware DDR Read-Strobe Delay Calibration */ - ldr r0, =DDR_HCAL @ DDR_HCAL - ldr r1, =0x803ffc07 @ the offset is correct? -SC - str r1, [r0] ++ ldr r0, =DDR_HCAL @ DDR_HCAL ++ ldr r1, =0x803ffc07 @ the offset is correct? -SC ++ str r1, [r0] + wait #5 - ldr r1, [r0] ++ ldr r1, [r0] + + /* Here we assume the hardware calibration alwasy be successful. -SC */ + /* Set DMCEN bit in MDCNFG Register */ + ldr r0, =MDCNFG @ MDCNFG + ldr r1, [r0] + orr r1, r1, #0x40000000 @ enable SDRAM for Normal Access + str r1, [r0] + + /* scrub/init SDRAM if enabled/present */ - /* ldr r11, =0xa0000000 /\* base address of SDRAM (CFG_DRAM_BASE) *\/ */ - /* ldr r12, =0x04000000 /\* size of memory to scrub (CFG_DRAM_SIZE) *\/ */ - /* mov r8,r12 /\* save DRAM size (mk: why???) *\/ */ - ldr r8, =0xa0000000 /* base address of SDRAM (CFG_DRAM_BASE) */ - ldr r9, =0x04000000 /* size of memory to scrub (CFG_DRAM_SIZE) */ ++/* ldr r11, =0xa0000000 /\* base address of SDRAM (CFG_DRAM_BASE) *\/ */ ++/* ldr r12, =0x04000000 /\* size of memory to scrub (CFG_DRAM_SIZE) *\/ */ ++/* mov r8,r12 /\* save DRAM size (mk: why???) *\/ */ ++ ldr r8, =0xa0000000 /* base address of SDRAM (CFG_DRAM_BASE) */ ++ ldr r9, =0x04000000 /* size of memory to scrub (CFG_DRAM_SIZE) */ + mov r0, #0 /* scrub with 0x0000:0000 */ + mov r1, #0 - mov r2, #0 ++ mov r2, #0 + mov r3, #0 - mov r4, #0 ++ mov r4, #0 + mov r5, #0 - mov r6, #0 ++ mov r6, #0 + mov r7, #0 - 10: /* fastScrubLoop */ - subs r9, r9, #32 // 32 bytes/line ++10: /* fastScrubLoop */ ++ subs r9, r9, #32 /* 32 bytes/line */ + stmia r8!, {r0-r7} + beq 15f + b 10b + +15: + /* Mask all interrupts */ + mov r1, #0 + mcr p6, 0, r1, c1, c0, 0 @ ICMR + + /* Disable software and data breakpoints */ + mov r0, #0 - mcr p15,0,r0,c14,c8,0 // ibcr0 - mcr p15,0,r0,c14,c9,0 // ibcr1 - mcr p15,0,r0,c14,c4,0 // dbcon ++ mcr p15,0,r0,c14,c8,0 /* ibcr0 */ ++ mcr p15,0,r0,c14,c9,0 /* ibcr1 */ ++ mcr p15,0,r0,c14,c4,0 /* dbcon */ + + /* Enable all debug functionality */ + mov r0,#0x80000000 - mcr p14,0,r0,c10,c0,0 // dcsr - ++ mcr p14,0,r0,c10,c0,0 /* dcsr */ + - + /* We are finished with Intel's memory controller initialisation */ + - + /* ---------------------------------------------------------------- */ - /* End lowlevel_init */ ++ /* End lowlevel_init */ + /* ---------------------------------------------------------------- */ + +endlowlevel_init: + - mov pc, lr - ++ mov pc, lr + +/* +@******************************************************************************** +@ DDR calibration - @ ++@ +@ This function is used to calibrate DQS delay lines. - @ Monahans supports three ways to do it. One is software ++@ Monahans supports three ways to do it. One is software +@ calibration. Two is hardware calibration. Three is hybrid +@ calibration. +@ +@ TBD +@ -SC +ddr_calibration: + + @ Case 1: Write the correct delay value once - @ Configure DDR_SCAL Register - ldr r0, =DDR_SCAL @ DDR_SCAL - q ldr r1, =0xaf2f2f2f - str r1, [r0] - ldr r1, [r0] ++ @ Configure DDR_SCAL Register ++ ldr r0, =DDR_SCAL @ DDR_SCAL ++q ldr r1, =0xaf2f2f2f ++ str r1, [r0] ++ ldr r1, [r0] +*/ +/* @ Case 2: Software Calibration + @ Write test pattern to memory - ldr r5, =0x0faf0faf @ Data Pattern - ldr r4, =0xa0000000 @ DDR ram - str r5, [r4] ++ ldr r5, =0x0faf0faf @ Data Pattern ++ ldr r4, =0xa0000000 @ DDR ram ++ str r5, [r4] + - mov r1, =0x0 @ delay count - mov r6, =0x0 - mov r7, =0x0 ++ mov r1, =0x0 @ delay count ++ mov r6, =0x0 ++ mov r7, =0x0 +ddr_loop1: - add r1, r1, =0x1 - cmp r1, =0xf - ble end_loop - mov r3, r1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - str r3, [r2] - - ldr r2, [r4] - cmp r2, r5 - bne ddr_loop1 - mov r6, r1 ++ add r1, r1, =0x1 ++ cmp r1, =0xf ++ ble end_loop ++ mov r3, r1 ++ mov r0, r1, lsl #30 ++ orr r3, r3, r0 ++ mov r0, r1, lsl #22 ++ orr r3, r3, r0 ++ mov r0, r1, lsl #14 ++ orr r3, r3, r0 ++ orr r3, r3, =0x80000000 ++ ldr r2, =DDR_SCAL ++ str r3, [r2] ++ ++ ldr r2, [r4] ++ cmp r2, r5 ++ bne ddr_loop1 ++ mov r6, r1 +ddr_loop2: - add r1, r1, =0x1 - cmp r1, =0xf - ble end_loop - mov r3, r1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - str r3, [r2] - - ldr r2, [r4] - cmp r2, r5 - be ddr_loop2 - mov r7, r2 - - add r3, r6, r7 - lsr r3, r3, =0x1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - ++ add r1, r1, =0x1 ++ cmp r1, =0xf ++ ble end_loop ++ mov r3, r1 ++ mov r0, r1, lsl #30 ++ orr r3, r3, r0 ++ mov r0, r1, lsl #22 ++ orr r3, r3, r0 ++ mov r0, r1, lsl #14 ++ orr r3, r3, r0 ++ orr r3, r3, =0x80000000 ++ ldr r2, =DDR_SCAL ++ str r3, [r2] ++ ++ ldr r2, [r4] ++ cmp r2, r5 ++ be ddr_loop2 ++ mov r7, r2 ++ ++ add r3, r6, r7 ++ lsr r3, r3, =0x1 ++ mov r0, r1, lsl #30 ++ orr r3, r3, r0 ++ mov r0, r1, lsl #22 ++ orr r3, r3, r0 ++ mov r0, r1, lsl #14 ++ orr r3, r3, r0 ++ orr r3, r3, =0x80000000 ++ ldr r2, =DDR_SCAL ++ +end_loop: + + @ Case 3: Hardware Calibratoin - ldr r0, =DDR_HCAL @ DDR_HCAL - ldr r1, =0x803ffc07 @ the offset is correct? -SC - str r1, [r0] - wait #5 - ldr r1, [r0] - mov pc, lr ++ ldr r0, =DDR_HCAL @ DDR_HCAL ++ ldr r1, =0x803ffc07 @ the offset is correct? -SC ++ str r1, [r0] ++ wait #5 ++ ldr r1, [r0] ++ mov pc, lr +*/ diff --cc cpu/pxa/cpu.c index 445ba18,d1551dd..b33d674 --- a/cpu/pxa/cpu.c +++ b/cpu/pxa/cpu.c @@@ -161,5 -160,3 +161,4 @@@ void set_GPIO_mode(int gpio_mode gafr = GAFR(gpio) & ~(0x3 << (((gpio) & 0xf)*2)); GAFR(gpio) = gafr | (fn << (((gpio) & 0xf)*2)); } +#endif /* CONFIG_CPU_MONAHANS */ - diff --cc cpu/pxa/start.S index 7e5a1ee,a8cc080..9541c9b --- a/cpu/pxa/start.S +++ b/cpu/pxa/start.S @@@ -6,8 -6,8 +6,8 @@@ * Copyright (C) 2000 Wolfgang Denk * Copyright (C) 2001 Alex Zuepke * Copyright (C) 2002 Kyle Harris -- * Copyright (C) 2003 Robert Schwebel -- * Copyright (C) 2003 Kai-Uwe Bloem ++ * Copyright (C) 2003 Robert Schwebel ++ * Copyright (C) 2003 Kai-Uwe Bloem * * See file CREDITS for list of people who contributed to this * project. @@@ -117,13 -116,13 +117,13 @@@ reset relocate: /* relocate U-Boot to RAM */ adr r0, _start /* r0 <- current position of code */ ldr r1, _TEXT_BASE /* test if we run from flash or RAM */ -- cmp r0, r1 /* don't reloc during debug */ -- beq stack_setup ++ cmp r0, r1 /* don't reloc during debug */ ++ beq stack_setup ldr r2, _armboot_start ldr r3, _bss_start -- sub r2, r3, r2 /* r2 <- size of armboot */ -- add r2, r0, r2 /* r2 <- source end address */ ++ sub r2, r3, r2 /* r2 <- size of armboot */ ++ add r2, r0, r2 /* r2 <- source end address */ copy_loop: ldmia r0!, {r3-r10} /* copy from source address [r0] */ @@@ -135,19 -134,19 +135,19 @@@ /* Set up the stack */ stack_setup: ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */ -- sub r0, r0, #CFG_MALLOC_LEN /* malloc area */ -- sub r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo */ ++ sub r0, r0, #CFG_MALLOC_LEN /* malloc area */ ++ sub r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo */ #ifdef CONFIG_USE_IRQ sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ clear_bss: -- ldr r0, _bss_start /* find start of bss segment */ -- ldr r1, _bss_end /* stop here */ -- mov r2, #0x00000000 /* clear */ ++ ldr r0, _bss_start /* find start of bss segment */ ++ ldr r1, _bss_end /* stop here */ ++ mov r2, #0x00000000 /* clear */ --clbss_l:str r2, [r0] /* clear loop... */ ++clbss_l:str r2, [r0] /* clear loop... */ add r0, r0, #4 cmp r0, r1 ble clbss_l @@@ -165,16 -164,8 +165,16 @@@ _start_armboot: .word start_armboo /* - setup memory timing */ /* */ /****************************************************************************/ +/* mk@tbd: Fix this! */ +#ifdef CONFIG_CPU_MONAHANS +#undef ICMR +#undef OSMR3 +#undef OSCR +#undef OWER +#undef OIER +#endif - - /* Interrupt-Controller base address */ + -/* Interrupt-Controller base address */ ++/* Interrupt-Controller base address */ IC_BASE: .word 0x40d00000 #define ICMR 0x04 @@@ -189,7 -180,7 +189,7 @@@ OSTIMER_BASE: .word 0x40a0000 #define OWER 0x18 #define OIER 0x1C --/* Clock Manager Registers */ ++/* Clock Manager Registers */ #ifdef CFG_CPUSPEED CC_BASE: .word 0x41300000 #define CCCR 0x00 @@@ -197,50 -188,26 +197,45 @@@ cpuspeed: .word CFG_CPUSPEE #else #error "You have to define CFG_CPUSPEED!!" #endif - - - /* RS: ??? */ - .macro CPWAIT - mrc p15,0,r0,c2,c0,0 - mov r0,r0 + /* takes care the CP15 update has taken place */ + .macro CPWAIT reg + mrc p15,0,\reg,c2,c0,0 + mov \reg,\reg sub pc,pc,#4 .endm -- cpu_init_crit: /* mask all IRQs */ +#ifndef CONFIG_CPU_MONAHANS - ldr r0, IC_BASE mov r1, #0x00 str r1, [r0, #ICMR] +#else + /* Step 1 - Enable CP6 permission */ - mrc p15, 0, r1, c15, c1, 0 @ read CPAR - orr r1, r1, #0x40 - mcr p15, 0, r1, c15, c1, 0 - CPWAIT r1 ++ mrc p15, 0, r1, c15, c1, 0 @ read CPAR ++ orr r1, r1, #0x40 ++ mcr p15, 0, r1, c15, c1, 0 ++ CPWAIT r1 + - /* Step 2 - Mask ICMR & ICMR2 */ - mov r1, #0 - mcr p6, 0, r1, c1, c0, 0 @ ICMR - mcr p6, 0, r1, c7, c0, 0 @ ICMR2 ++ /* Step 2 - Mask ICMR & ICMR2 */ ++ mov r1, #0 ++ mcr p6, 0, r1, c1, c0, 0 @ ICMR ++ mcr p6, 0, r1, c7, c0, 0 @ ICMR2 + + /* turn off all clocks but the ones we will definitly require */ - ldr r1, =CKENA - ldr r2, =(CKENA_22_FFUART | CKENA_10_SRAM | CKENA_9_SMC | CKENA_8_DMC) - str r2, [r1] - ldr r1, =CKENB - ldr r2, =(CKENB_6_IRQ) - str r2, [r1] - ++ ldr r1, =CKENA ++ ldr r2, =(CKENA_22_FFUART | CKENA_10_SRAM | CKENA_9_SMC | CKENA_8_DMC) ++ str r2, [r1] ++ ldr r1, =CKENB ++ ldr r2, =(CKENB_6_IRQ) ++ str r2, [r1] +#endif -#if defined(CFG_CPUSPEED) - - /* set clock speed */ +#ifndef CONFIG_CPU_MONAHANS +#ifdef CFG_CPUSPEED - + /* set clock speed tbd@mk: required for monahans? */ ldr r0, CC_BASE ldr r1, cpuspeed str r1, [r0, #CCCR] @@@ -248,10 -215,7 +243,9 @@@ mcr p14, 0, r0, c6, c0, 0 setspeed_done: - -#endif ++ +#endif /* CFG_CPUSPEED */ +#endif /* CONFIG_CPU_MONAHANS */ - /* * before relocating, we have to setup RAM timing @@@ -263,8 -227,6 +257,8 @@@ mov lr, ip /* Memory interfaces are working. Disable MMU and enable I-cache. */ - /* mk: hmm, this is not in the monahans docs, leave it now but ++ /* mk: hmm, this is not in the monahans docs, leave it now but + * check here if it doesn't work :-) */ ldr r0, =0x2001 /* enable access to all coproc. */ mcr p15, 0, r0, c15, c1, 0 @@@ -330,7 -292,7 +324,7 @@@ ldr r2, _armboot_start sub r2, r2, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN) -- sub r2, r2, #(CFG_GBL_DATA_SIZE+8) @ set base 2 words into abort stack ++ sub r2, r2, #(CFG_GBL_DATA_SIZE+8) @ set base 2 words into abort stack ldmia r2, {r2 - r4} /* get pc, cpsr, old_r0 */ add r0, sp, #S_FRAME_SIZE /* restore sp_SVC */ @@@ -457,17 -419,17 +451,17 @@@ fiq #endif /****************************************************************************/ --/* */ ++/* */ /* Reset function: the PXA250 doesn't have a reset function, so we have to */ --/* perform a watchdog timeout for a soft reset. */ --/* */ ++/* perform a watchdog timeout for a soft reset. */ ++/* */ /****************************************************************************/ .align 5 .globl reset_cpu -- /* FIXME: this code is PXA250 specific. How is this handled on */ -- /* other XScale processors? */ ++ /* FIXME: this code is PXA250 specific. How is this handled on */ ++ /* other XScale processors? */ reset_cpu: @@@ -475,13 -437,13 +469,13 @@@ ldr r0, OSTIMER_BASE ldr r1, [r0, #OWER] -- orr r1, r1, #0x0001 /* bit0: WME */ ++ orr r1, r1, #0x0001 /* bit0: WME */ str r1, [r0, #OWER] /* OS timer does only wrap every 1165 seconds, so we have to set */ -- /* the match register as well. */ ++ /* the match register as well. */ -- ldr r1, [r0, #OSCR] /* read OS timer */ ++ ldr r1, [r0, #OSCR] /* read OS timer */ add r1, r1, #0x800 /* let OSMR3 match after */ add r1, r1, #0x800 /* 4096*(1/3.6864MHz)=1ms */ str r1, [r0, #OSMR3] diff --cc include/asm-arm/arch-pxa/pxa-regs.h index 5d36b84,41d37d7..83ae5e3 --- a/include/asm-arm/arch-pxa/pxa-regs.h +++ b/include/asm-arm/arch-pxa/pxa-regs.h @@@ -963,280 -886,6 +963,280 @@@ typedef void (*ExcpHndlr) (void) #define GEDR1 __REG(0x40E0004C) /* GPIO Edge Detect Status Register GPIO<63:32> */ #define GEDR2 __REG(0x40E00050) /* GPIO Edge Detect Status Register GPIO<80:64> */ +#ifdef CONFIG_CPU_MONAHANS +#define GPLR3 __REG(0x40E00100) /* GPIO Pin-Level Register GPIO<127:96> */ +#define GPDR3 __REG(0x40E0010C) /* GPIO Pin Direction Register GPIO<127:96> */ +#define GPSR3 __REG(0x40E00118) /* GPIO Pin Output Set Register GPIO<127:96> */ +#define GPCR3 __REG(0x40E00124) /* GPIO Pin Output Clear Register GPIO<127:96> */ +#define GRER3 __REG(0x40E00130) /* GPIO Rising-Edge Detect Register GPIO<127:96> */ +#define GFER3 __REG(0x40E0013C) /* GPIO Falling-Edge Detect Register GPIO<127:96> */ +#define GEDR3 __REG(0x40E00148) /* GPIO Edge Detect Status Register GPIO<127:96> */ + +#define GSDR0 __REG(0x40E00400) /* Bit-wise Set of GPDR[31:0] */ +#define GSDR1 __REG(0x40E00404) /* Bit-wise Set of GPDR[63:32] */ +#define GSDR2 __REG(0x40E00408) /* Bit-wise Set of GPDR[95:64] */ +#define GSDR3 __REG(0x40E0040C) /* Bit-wise Set of GPDR[127:96] */ + +#define GCDR0 __REG(0x40E00420) /* Bit-wise Clear of GPDR[31:0] */ +#define GCDR1 __REG(0x40E00424) /* Bit-wise Clear of GPDR[63:32] */ +#define GCDR2 __REG(0x40E00428) /* Bit-wise Clear of GPDR[95:64] */ +#define GCDR3 __REG(0x40E0042C) /* Bit-wise Clear of GPDR[127:96] */ + +#define GSRER0 __REG(0x40E00440) /* Set Rising Edge Det. Enable [31:0] */ +#define GSRER1 __REG(0x40E00444) /* Set Rising Edge Det. Enable [63:32] */ +#define GSRER2 __REG(0x40E00448) /* Set Rising Edge Det. Enable [95:64] */ +#define GSRER3 __REG(0x40E0044C) /* Set Rising Edge Det. Enable [127:96] */ + +#define GCRER0 __REG(0x40E00460) /* Clear Rising Edge Det. Enable [31:0] */ +#define GCRER1 __REG(0x40E00464) /* Clear Rising Edge Det. Enable [63:32] */ +#define GCRER2 __REG(0x40E00468) /* Clear Rising Edge Det. Enable [95:64] */ +#define GCRER3 __REG(0x40E0046C) /* Clear Rising Edge Det. Enable[127:96] */ + +#define GSFER0 __REG(0x40E00480) /* Set Falling Edge Det. Enable [31:0] */ +#define GSFER1 __REG(0x40E00484) /* Set Falling Edge Det. Enable [63:32] */ +#define GSFER2 __REG(0x40E00488) /* Set Falling Edge Det. Enable [95:64] */ +#define GSFER3 __REG(0x40E0048C) /* Set Falling Edge Det. Enable[127:96] */ + +#define GCFER0 __REG(0x40E004A0) /* Clr Falling Edge Det. Enable [31:0] */ +#define GCFER1 __REG(0x40E004A4) /* Clr Falling Edge Det. Enable [63:32] */ +#define GCFER2 __REG(0x40E004A8) /* Clr Falling Edge Det. Enable [95:64] */ +#define GCFER3 __REG(0x40E004AC) /* Clr Falling Edge Det. Enable[127:96] */ + +#define GSDR(x) __REG2(0x40E00400, ((x) & 0x60) >> 3) +#define GCDR(x) __REG2(0x40300420, ((x) & 0x60) >> 3) + +/* Multi-funktion Pin Registers, uncomplete, only: + * - GPIO + * - Data Flash DF_* pins defined. + */ - #define GPIO0 __REG(0x40e10124) ++#define GPIO0 __REG(0x40e10124) +#define GPIO1 __REG(0x40e10128) +#define GPIO2 __REG(0x40e1012c) +#define GPIO3 __REG(0x40e10130) +#define GPIO4 __REG(0x40e10134) +#define nXCVREN __REG(0x40e10138) + +#define DF_CLE_NOE __REG(0x40e10204) +#define DF_ALE_WE1 __REG(0x40e10208) + +#define DF_SCLK_E __REG(0x40e10210) +#define nBE0 __REG(0x40e10214) +#define nBE1 __REG(0x40e10218) +#define DF_ALE_WE2 __REG(0x40e1021c) +#define DF_INT_RnB __REG(0x40e10220) +#define DF_nCS0 __REG(0x40e10224) +#define DF_nCS1 __REG(0x40e10228) +#define DF_nWE __REG(0x40e1022c) +#define DF_nRE __REG(0x40e10230) +#define nLUA __REG(0x40e10234) +#define nLLA __REG(0x40e10238) +#define DF_ADDR0 __REG(0x40e1023c) +#define DF_ADDR1 __REG(0x40e10240) +#define DF_ADDR2 __REG(0x40e10244) +#define DF_ADDR3 __REG(0x40e10248) +#define DF_IO0 __REG(0x40e1024c) +#define DF_IO8 __REG(0x40e10250) +#define DF_IO1 __REG(0x40e10254) +#define DF_IO9 __REG(0x40e10258) +#define DF_IO2 __REG(0x40e1025c) +#define DF_IO10 __REG(0x40e10260) +#define DF_IO3 __REG(0x40e10264) +#define DF_IO11 __REG(0x40e10268) +#define DF_IO4 __REG(0x40e1026c) +#define DF_IO12 __REG(0x40e10270) +#define DF_IO5 __REG(0x40e10274) +#define DF_IO13 __REG(0x40e10278) +#define DF_IO6 __REG(0x40e1027c) +#define DF_IO14 __REG(0x40e10280) +#define DF_IO7 __REG(0x40e10284) +#define DF_IO15 __REG(0x40e10288) + +#define GPIO5 __REG(0x40e1028c) +#define GPIO6 __REG(0x40e10290) +#define GPIO7 __REG(0x40e10294) +#define GPIO8 __REG(0x40e10298) +#define GPIO9 __REG(0x40e1029c) + +#define GPIO11 __REG(0x40e102a0) +#define GPIO12 __REG(0x40e102a4) +#define GPIO13 __REG(0x40e102a8) +#define GPIO14 __REG(0x40e102ac) +#define GPIO15 __REG(0x40e102b0) +#define GPIO16 __REG(0x40e102b4) +#define GPIO17 __REG(0x40e102b8) +#define GPIO18 __REG(0x40e102bc) +#define GPIO19 __REG(0x40e102c0) +#define GPIO20 __REG(0x40e102c4) +#define GPIO21 __REG(0x40e102c8) +#define GPIO22 __REG(0x40e102cc) +#define GPIO23 __REG(0x40e102d0) +#define GPIO24 __REG(0x40e102d4) +#define GPIO25 __REG(0x40e102d8) +#define GPIO26 __REG(0x40e102dc) + +#define GPIO27 __REG(0x40e10400) +#define GPIO28 __REG(0x40e10404) +#define GPIO29 __REG(0x40e10408) +#define GPIO30 __REG(0x40e1040c) +#define GPIO31 __REG(0x40e10410) +#define GPIO32 __REG(0x40e10414) +#define GPIO33 __REG(0x40e10418) +#define GPIO34 __REG(0x40e1041c) +#define GPIO35 __REG(0x40e10420) +#define GPIO36 __REG(0x40e10424) +#define GPIO37 __REG(0x40e10428) +#define GPIO38 __REG(0x40e1042c) +#define GPIO39 __REG(0x40e10430) +#define GPIO40 __REG(0x40e10434) +#define GPIO41 __REG(0x40e10438) +#define GPIO42 __REG(0x40e1043c) +#define GPIO43 __REG(0x40e10440) +#define GPIO44 __REG(0x40e10444) +#define GPIO45 __REG(0x40e10448) +#define GPIO46 __REG(0x40e1044c) +#define GPIO47 __REG(0x40e10450) +#define GPIO48 __REG(0x40e10454) + +#define GPIO10 __REG(0x40e10458) + +#define GPIO49 __REG(0x40e1045c) +#define GPIO50 __REG(0x40e10460) +#define GPIO51 __REG(0x40e10464) +#define GPIO52 __REG(0x40e10468) +#define GPIO53 __REG(0x40e1046c) +#define GPIO54 __REG(0x40e10470) +#define GPIO55 __REG(0x40e10474) +#define GPIO56 __REG(0x40e10478) +#define GPIO57 __REG(0x40e1047c) +#define GPIO58 __REG(0x40e10480) +#define GPIO59 __REG(0x40e10484) +#define GPIO60 __REG(0x40e10488) +#define GPIO61 __REG(0x40e1048c) +#define GPIO62 __REG(0x40e10490) + +#define GPIO6_2 __REG(0x40e10494) +#define GPIO7_2 __REG(0x40e10498) +#define GPIO8_2 __REG(0x40e1049c) +#define GPIO9_2 __REG(0x40e104a0) +#define GPIO10_2 __REG(0x40e104a4) +#define GPIO11_2 __REG(0x40e104a8) +#define GPIO12_2 __REG(0x40e104ac) +#define GPIO13_2 __REG(0x40e104b0) + +#define GPIO63 __REG(0x40e104b4) +#define GPIO64 __REG(0x40e104b8) +#define GPIO65 __REG(0x40e104bc) +#define GPIO66 __REG(0x40e104c0) +#define GPIO67 __REG(0x40e104c4) +#define GPIO68 __REG(0x40e104c8) +#define GPIO69 __REG(0x40e104cc) +#define GPIO70 __REG(0x40e104d0) +#define GPIO71 __REG(0x40e104d4) +#define GPIO72 __REG(0x40e104d8) +#define GPIO73 __REG(0x40e104dc) + +#define GPIO14_2 __REG(0x40e104e0) +#define GPIO15_2 __REG(0x40e104e4) +#define GPIO16_2 __REG(0x40e104e8) +#define GPIO17_2 __REG(0x40e104ec) + +#define GPIO74 __REG(0x40e104f0) +#define GPIO75 __REG(0x40e104f4) +#define GPIO76 __REG(0x40e104f8) +#define GPIO77 __REG(0x40e104fc) +#define GPIO78 __REG(0x40e10500) +#define GPIO79 __REG(0x40e10504) +#define GPIO80 __REG(0x40e10508) +#define GPIO81 __REG(0x40e1050c) +#define GPIO82 __REG(0x40e10510) +#define GPIO83 __REG(0x40e10514) +#define GPIO84 __REG(0x40e10518) +#define GPIO85 __REG(0x40e1051c) +#define GPIO86 __REG(0x40e10520) +#define GPIO87 __REG(0x40e10524) +#define GPIO88 __REG(0x40e10528) +#define GPIO89 __REG(0x40e1052c) +#define GPIO90 __REG(0x40e10530) +#define GPIO91 __REG(0x40e10534) +#define GPIO92 __REG(0x40e10538) +#define GPIO93 __REG(0x40e1053c) +#define GPIO94 __REG(0x40e10540) +#define GPIO95 __REG(0x40e10544) +#define GPIO96 __REG(0x40e10548) +#define GPIO97 __REG(0x40e1054c) +#define GPIO98 __REG(0x40e10550) + +#define GPIO99 __REG(0x40e10600) +#define GPIO100 __REG(0x40e10604) +#define GPIO101 __REG(0x40e10608) +#define GPIO102 __REG(0x40e1060c) +#define GPIO103 __REG(0x40e10610) +#define GPIO104 __REG(0x40e10614) +#define GPIO105 __REG(0x40e10618) +#define GPIO106 __REG(0x40e1061c) +#define GPIO107 __REG(0x40e10620) +#define GPIO108 __REG(0x40e10624) +#define GPIO109 __REG(0x40e10628) +#define GPIO110 __REG(0x40e1062c) +#define GPIO111 __REG(0x40e10630) +#define GPIO112 __REG(0x40e10634) + +#define GPIO113 __REG(0x40e10638) +#define GPIO114 __REG(0x40e1063c) +#define GPIO115 __REG(0x40e10640) +#define GPIO116 __REG(0x40e10644) +#define GPIO117 __REG(0x40e10648) +#define GPIO118 __REG(0x40e1064c) +#define GPIO119 __REG(0x40e10650) +#define GPIO120 __REG(0x40e10654) +#define GPIO121 __REG(0x40e10658) +#define GPIO122 __REG(0x40e1065c) +#define GPIO123 __REG(0x40e10660) +#define GPIO124 __REG(0x40e10664) +#define GPIO125 __REG(0x40e10668) +#define GPIO126 __REG(0x40e1066c) +#define GPIO127 __REG(0x40e10670) + +#define GPIO0_2 __REG(0x40e10674) +#define GPIO1_2 __REG(0x40e10678) +#define GPIO2_2 __REG(0x40e1067c) +#define GPIO3_2 __REG(0x40e10680) +#define GPIO4_2 __REG(0x40e10684) +#define GPIO5_2 __REG(0x40e10688) + +/* MFPR Bit Definitions, see 4-10, Vol. 1 */ +#define PULL_SEL 0x8000 +#define PULLUP_EN 0x4000 +#define PULLDOWN_EN 0x2000 + +#define DRIVE_FAST_1mA 0x0 +#define DRIVE_FAST_2mA 0x400 +#define DRIVE_FAST_3mA 0x800 +#define DRIVE_FAST_4mA 0xC00 +#define DRIVE_SLOW_6mA 0x1000 +#define DRIVE_FAST_6mA 0x1400 +#define DRIVE_SLOW_10mA 0x1800 +#define DRIVE_FAST_10mA 0x1C00 + +#define SLEEP_SEL 0x200 +#define SLEEP_DATA 0x100 +#define SLEEP_OE_N 0x80 +#define EDGE_CLEAR 0x40 +#define EDGE_FALL_EN 0x20 +#define EDGE_RISE_EN 0x10 + +#define AF_SEL_0 0x0 /* Alternate function 0 (reset state) */ +#define AF_SEL_1 0x1 /* Alternate function 1 */ +#define AF_SEL_2 0x2 /* Alternate function 2 */ +#define AF_SEL_3 0x3 /* Alternate function 3 */ +#define AF_SEL_4 0x4 /* Alternate function 4 */ +#define AF_SEL_5 0x5 /* Alternate function 5 */ +#define AF_SEL_6 0x6 /* Alternate function 6 */ +#define AF_SEL_7 0x7 /* Alternate function 7 */ + + +#else /* CONFIG_CPU_MONAHANS */ + #define GAFR0_L __REG(0x40E00054) /* GPIO Alternate Function Select Register GPIO<15:0> */ #define GAFR0_U __REG(0x40E00058) /* GPIO Alternate Function Select Register GPIO<31:16> */ #define GAFR1_L __REG(0x40E0005C) /* GPIO Alternate Function Select Register GPIO<47:32> */ @@@ -1992,165 -1502,6 +1992,163 @@@ /* * Memory controller */ + +#ifdef CONFIG_CPU_MONAHANS +/* Static Memory Controller Registers */ +#define MSC0 __REG_2(0x4A000008) /* Static Memory Control Register 0 */ +#define MSC1 __REG_2(0x4A00000C) /* Static Memory Control Register 1 */ +#define MECR __REG_2(0x4A000014) /* Expansion Memory (PCMCIA/Compact Flash) Bus Configuration */ +#define SXCNFG __REG_2(0x4A00001C) /* Synchronous Static Memory Control Register */ +#define MCMEM0 __REG_2(0x4A000028) /* Card interface Common Memory Space Socket 0 Timing */ +#define MCATT0 __REG_2(0x4A000030) /* Card interface Attribute Space Socket 0 Timing Configuration */ +#define MCIO0 __REG_2(0x4A000038) /* Card interface I/O Space Socket 0 Timing Configuration */ +#define MEMCLKCFG __REG_2(0x4A000068) /* SCLK speed configuration */ +#define CSADRCFG0 __REG_2(0x4A000080) /* Address Configuration for chip select 0 */ +#define CSADRCFG1 __REG_2(0x4A000084) /* Address Configuration for chip select 1 */ +#define CSADRCFG2 __REG_2(0x4A000088) /* Address Configuration for chip select 2 */ +#define CSADRCFG3 __REG_2(0x4A00008C) /* Address Configuration for chip select 3 */ +#define CSADRCFG_P __REG_2(0x4A000090) /* Address Configuration for pcmcia card interface */ +#define CSMSADRCFG __REG_2(0x4A0000A0) /* Master Address Configuration Register */ +#define CLK_RET_DEL __REG_2(0x4A0000B0) /* Delay line and mux selects for return data latching for sync. flash */ +#define ADV_RET_DEL __REG_2(0x4A0000B4) /* Delay line and mux selects for return data latching for sync. flash */ + +/* Dynamic Memory Controller Registers */ +#define MDCNFG __REG_2(0x48100000) /* SDRAM Configuration Register 0 */ +#define MDREFR __REG_2(0x48100004) /* SDRAM Refresh Control Register */ +#define FLYCNFG __REG_2(0x48100020) /* Fly-by DMA DVAL[1:0] polarities */ +#define MDMRS __REG_2(0x48100040) /* MRS value to be written to SDRAM */ +#define DDR_SCAL __REG_2(0x48100050) /* Software Delay Line Calibration/Configuration for external DDR memory. */ +#define DDR_HCAL __REG_2(0x48100060) /* Hardware Delay Line Calibration/Configuration for external DDR memory. */ +#define DDR_WCAL __REG_2(0x48100068) /* DDR Write Strobe Calibration Register */ +#define DMCIER __REG_2(0x48100070) /* Dynamic MC Interrupt Enable Register. */ +#define DMCISR __REG_2(0x48100078) /* Dynamic MC Interrupt Status Register. */ +#define DDR_DLS __REG_2(0x48100080) /* DDR Delay Line Value Status register for external DDR memory. */ +#define EMPI __REG_2(0x48100090) /* EMPI Control Register */ +#define RCOMP __REG_2(0x48100100) +#define PAD_MA __REG_2(0x48100110) +#define PAD_MDMSB __REG_2(0x48100114) +#define PAD_MDLSB __REG_2(0x48100118) +#define PAD_DMEM __REG_2(0x4810011c) +#define PAD_SDCLK __REG_2(0x48100120) +#define PAD_SDCS __REG_2(0x48100124) +#define PAD_SMEM __REG_2(0x48100128) +#define PAD_SCLK __REG_2(0x4810012C) +#define TAI __REG_2(0x48100F00) /* TAI Tavor Address Isolation Register */ + +/* Some frequently used bits */ +#define MDCNFG_DMAP 0x80000000 /* SDRAM 1GB Memory Map Enable */ +#define MDCNFG_DMCEN 0x40000000 /* Enable Dynamic Memory Controller */ +#define MDCNFG_HWFREQ 0x20000000 /* Hardware Frequency Change Calibration */ +#define MDCNFG_DTYPE 0x400 /* SDRAM Type: 1=DDR SDRAM */ + +#define MDCNFG_DTC_0 0x0 /* Timing Category of SDRAM */ +#define MDCNFG_DTC_1 0x100 +#define MDCNFG_DTC_2 0x200 +#define MDCNFG_DTC_3 0x300 + +#define MDCNFG_DRAC_12 0x0 /* Number of Row Access Bits */ +#define MDCNFG_DRAC_13 0x20 +#define MDCNFG_DRAC_14 0x40 + +#define MDCNFG_DCAC_9 0x0 /* Number of Column Acess Bits */ +#define MDCNFG_DCAC_10 0x08 +#define MDCNFG_DCAC_11 0x10 + +#define MDCNFG_DBW_16 0x4 /* SDRAM Data Bus width 16bit */ +#define MDCNFG_DCSE1 0x2 /* SDRAM CS 1 Enable */ +#define MDCNFG_DCSE0 0x1 /* SDRAM CS 0 Enable */ + - - + +/* Data Flash Controller Registers */ + +#define NDCR __REG(0x43100000) /* Data Flash Control register */ +#define NDTR0CS0 __REG(0x43100004) /* Data Controller Timing Parameter 0 Register for ND_nCS0 */ +/* #define NDTR0CS1 __REG(0x43100008) /\* Data Controller Timing Parameter 0 Register for ND_nCS1 *\/ */ +#define NDTR1CS0 __REG(0x4310000C) /* Data Controller Timing Parameter 1 Register for ND_nCS0 */ +/* #define NDTR1CS1 __REG(0x43100010) /\* Data Controller Timing Parameter 1 Register for ND_nCS1 *\/ */ +#define NDSR __REG(0x43100014) /* Data Controller Status Register */ +#define NDPCR __REG(0x43100018) /* Data Controller Page Count Register */ +#define NDBDR0 __REG(0x4310001C) /* Data Controller Bad Block Register 0 */ +#define NDBDR1 __REG(0x43100020) /* Data Controller Bad Block Register 1 */ +#define NDDB __REG(0x43100040) /* Data Controller Data Buffer */ +#define NDCB0 __REG(0x43100048) /* Data Controller Command Buffer0 */ +#define NDCB1 __REG(0x4310004C) /* Data Controller Command Buffer1 */ +#define NDCB2 __REG(0x43100050) /* Data Controller Command Buffer2 */ + +#define NDCR_SPARE_EN (0x1<<31) +#define NDCR_ECC_EN (0x1<<30) +#define NDCR_DMA_EN (0x1<<29) +#define NDCR_ND_RUN (0x1<<28) +#define NDCR_DWIDTH_C (0x1<<27) +#define NDCR_DWIDTH_M (0x1<<26) +#define NDCR_PAGE_SZ (0x3<<24) +#define NDCR_NCSX (0x1<<23) +#define NDCR_ND_STOP (0x1<<22) +/* reserved: + * #define NDCR_ND_MODE (0x3<<21) + * #define NDCR_NAND_MODE 0x0 */ +#define NDCR_CLR_PG_CNT (0x1<<20) +#define NDCR_CLR_ECC (0x1<<19) +#define NDCR_RD_ID_CNT (0x7<<16) +#define NDCR_RA_START (0x1<<15) +#define NDCR_PG_PER_BLK (0x1<<14) +#define NDCR_ND_ARB_EN (0x1<<12) +#define NDCR_RDYM (0x1<<11) +#define NDCR_CS0_PAGEDM (0x1<<10) +#define NDCR_CS1_PAGEDM (0x1<<9) +#define NDCR_CS0_CMDDM (0x1<<8) +#define NDCR_CS1_CMDDM (0x1<<7) +#define NDCR_CS0_BBDM (0x1<<6) +#define NDCR_CS1_BBDM (0x1<<5) +#define NDCR_DBERRM (0x1<<4) +#define NDCR_SBERRM (0x1<<3) +#define NDCR_WRDREQM (0x1<<2) +#define NDCR_RDDREQM (0x1<<1) +#define NDCR_WRCMDREQM (0x1) + +#define NDSR_RDY (0x1<<11) +#define NDSR_CS0_PAGED (0x1<<10) +#define NDSR_CS1_PAGED (0x1<<9) +#define NDSR_CS0_CMDD (0x1<<8) +#define NDSR_CS1_CMDD (0x1<<7) +#define NDSR_CS0_BBD (0x1<<6) +#define NDSR_CS1_BBD (0x1<<5) +#define NDSR_DBERR (0x1<<4) +#define NDSR_SBERR (0x1<<3) +#define NDSR_WRDREQ (0x1<<2) +#define NDSR_RDDREQ (0x1<<1) +#define NDSR_WRCMDREQ (0x1) + +#define NDCB0_AUTO_RS (0x1<<25) +#define NDCB0_CSEL (0x1<<24) +#define NDCB0_CMD_TYPE (0x7<<21) +#define NDCB0_NC (0x1<<20) +#define NDCB0_DBC (0x1<<19) +#define NDCB0_ADDR_CYC (0x7<<16) +#define NDCB0_CMD2 (0xff<<8) +#define NDCB0_CMD1 (0xff) +#define MCMEM(s) MCMEM0 +#define MCATT(s) MCATT0 +#define MCIO(s) MCIO0 +#define MECR_CIT (1 << 1)/* Card Is There: 0 -> no card, 1 -> card inserted */ + +/* Maximum values for NAND Interface Timing Registers in DFC clock + * periods */ +#define DFC_MAX_tCH 7 +#define DFC_MAX_tCS 7 +#define DFC_MAX_tWH 7 +#define DFC_MAX_tWP 7 +#define DFC_MAX_tRH 7 +#define DFC_MAX_tRP 15 +#define DFC_MAX_tR 65535 +#define DFC_MAX_tWHR 15 +#define DFC_MAX_tAR 15 + +#define DFC_CLOCK 104 /* DFC Clock is 104 MHz */ +#define DFC_CLK_PER_US DFC_CLOCK/1000 /* clock period in ns */ + +#else /* CONFIG_CPU_MONAHANS */ + #define MEMC_BASE __REG(0x48000000) /* Base of Memory Controller */ #define MDCNFG_OFFSET 0x0 #define MDREFR_OFFSET 0x4 diff --cc include/configs/delta.h index 8c848c3,0000000..8e5e612 mode 100644,000000..100644 --- a/include/configs/delta.h +++ b/include/configs/delta.h @@@ -1,288 -1,0 +1,288 @@@ +/* + * Configuation settings for the Delta board. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Configuration Options + * (easy to change) + */ +#define CONFIG_CPU_MONAHANS 1 /* Intel Monahan CPU */ +#define CONFIG_DELTA 1 /* Delta board */ + +/* #define CONFIG_LCD 1 */ +#ifdef CONFIG_LCD +#define CONFIG_SHARP_LM8V31 +#endif +/* #define CONFIG_MMC 1 */ +#define BOARD_LATE_INIT 1 + +#undef CONFIG_SKIP_RELOCATE_UBOOT +#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ + +/* + * Size of malloc() pool + */ +#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 256*1024) +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ + +/* + * Hardware drivers + */ + +#undef TURN_ON_ETHERNET +#ifdef TURN_ON_ETHERNET +# define CONFIG_DRIVER_SMC91111 1 +# define CONFIG_SMC91111_BASE 0x14000300 +# define CONFIG_SMC91111_EXT_PHY +# define CONFIG_SMC_USE_32_BIT +# undef CONFIG_SMC_USE_IOFUNCS /* just for use with the kernel */ +#endif + +/* + * select serial console configuration + */ +#define CONFIG_FFUART 1 + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE + +#define CONFIG_BAUDRATE 115200 + +/* #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_MMC | CFG_CMD_FAT) */ +#ifdef TURN_ON_ETHERNET +# define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_PING) +#else +# define CONFIG_COMMANDS ((CONFIG_CMD_DFL | CFG_CMD_NAND) \ + & ~(CFG_CMD_NET | CFG_CMD_FLASH | \ + CFG_CMD_ENV | CFG_CMD_IMLS)) +#endif + + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include + +#define CONFIG_BOOTDELAY -1 +#define CONFIG_ETHADDR 08:00:3e:26:0a:5b +#define CONFIG_NETMASK 255.255.0.0 +#define CONFIG_IPADDR 192.168.0.21 +#define CONFIG_SERVERIP 192.168.0.250 +#define CONFIG_BOOTCOMMAND "bootm 80000" +#define CONFIG_BOOTARGS "root=/dev/mtdblock2 rootfstype=cramfs console=ttyS0,115200" +#define CONFIG_CMDLINE_TAG +#define CONFIG_TIMESTAMP + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ +#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ +#endif + +/* + * Miscellaneous configurable options + */ +#define CFG_HUSH_PARSER 1 +#define CFG_PROMPT_HUSH_PS2 "> " + +#define CFG_LONGHELP /* undef to save memory */ +#ifdef CFG_HUSH_PARSER +#define CFG_PROMPT "$ " /* Monitor Command Prompt */ +#else +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#endif +#define CFG_CBSIZE 256 /* 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 CFG_DEVICE_NULLDEV 1 + +#define CFG_MEMTEST_START 0xa0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0xa0800000 /* 4 ... 8 MB in DRAM */ + +#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ + +#define CFG_LOAD_ADDR (CFG_DRAM_BASE + 0x8000) /* default load address */ + +#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */ +#define CFG_CPUSPEED 0x161 /* set core clock to 400/200/100 MHz */ + + /* valid baudrates */ +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* #define CFG_MMC_BASE 0xF0000000 */ + +/* + * Stack sizes + * + * The stack sizes are set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE (128*1024) /* regular stack */ +#ifdef CONFIG_USE_IRQ +#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ +#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ +#endif + +/* + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 4 /* we have 2 banks of DRAM */ +#define PHYS_SDRAM_1 0xa0000000 /* SDRAM Bank #1 */ +#define PHYS_SDRAM_1_SIZE 0x1000000 /* 64 MB */ +#define PHYS_SDRAM_2 0xa1000000 /* SDRAM Bank #2 */ +#define PHYS_SDRAM_2_SIZE 0x1000000 /* 64 MB */ +#define PHYS_SDRAM_3 0xa2000000 /* SDRAM Bank #3 */ +#define PHYS_SDRAM_3_SIZE 0x1000000 /* 64 MB */ +#define PHYS_SDRAM_4 0xa3000000 /* SDRAM Bank #4 */ +#define PHYS_SDRAM_4_SIZE 0x1000000 /* 64 MB */ + +#define CFG_DRAM_BASE 0xa0000000 /* at CS0 */ +#define CFG_DRAM_SIZE 0x04000000 /* 64 MB Ram */ + +#undef CFG_SKIP_DRAM_SCRUB + +/* + * NAND Flash + */ +/* Use the new NAND code. (BOARDLIBS = drivers/nand/libnand.a required) */ +#define CONFIG_NEW_NAND_CODE +#define CFG_NAND0_BASE 0x0 /* 0x43100040 */ /* 0x10000000 */ +#undef CFG_NAND1_BASE + +#define CFG_NAND_BASE_LIST { CFG_NAND0_BASE } +#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ +#define SECTORSIZE 512 +#define NAND_DELAY_US 25 /* mk@tbd: could be 0, I guess */ + - /* nand timeout values */ ++/* nand timeout values */ +#define CFG_NAND_PROG_ERASE_TO 3000 +#define CFG_NAND_OTHER_TO 100 +#define CFG_NAND_SENDCMD_RETRY 3 +#undef NAND_ALLOW_ERASE_ALL /* Allow erasing bad blocks - don't use */ + +/* NAND Timing Parameters (in ns) */ +#define NAND_TIMING_tCH 10 +#define NAND_TIMING_tCS 0 +#define NAND_TIMING_tWH 20 +#define NAND_TIMING_tWP 40 + +#define NAND_TIMING_tRH 20 +#define NAND_TIMING_tRP 40 + +#define NAND_TIMING_tR 11123 +/* #define NAND_TIMING_tWHR 110 */ +#define NAND_TIMING_tWHR 100 +#define NAND_TIMING_tAR 10 + +/* NAND debugging */ +#define CFG_DFC_DEBUG1 /* usefull */ +#undef CFG_DFC_DEBUG2 /* noisy */ +#undef CFG_DFC_DEBUG3 /* extremly noisy */ + +#define CONFIG_MTD_DEBUG +#define CONFIG_MTD_DEBUG_VERBOSE 1 + +#define ADDR_COLUMN 1 +#define ADDR_PAGE 2 +#define ADDR_COLUMN_PAGE 3 + +#define NAND_ChipID_UNKNOWN 0x00 +#define NAND_MAX_FLOORS 1 +#define NAND_MAX_CHIPS 1 + +#define CFG_NO_FLASH 1 +#ifndef CGF_NO_FLASH +/* these are required by the environment code */ +#define PHYS_FLASH_1 CFG_NAND0_BASE /* Flash Bank #1 */ +#define PHYS_FLASH_SIZE 0x04000000 /* 64 MB */ +#define PHYS_FLASH_BANK_SIZE 0x04000000 /* 64 MB Banks */ +#define PHYS_FLASH_SECT_SIZE (SECTORSIZE*1024) /* KB sectors (x2) */ +#endif + +/* + * GPIO settings + */ +#define CFG_GPSR0_VAL 0x00008000 +#define CFG_GPSR1_VAL 0x00FC0382 +#define CFG_GPSR2_VAL 0x0001FFFF +#define CFG_GPCR0_VAL 0x00000000 +#define CFG_GPCR1_VAL 0x00000000 +#define CFG_GPCR2_VAL 0x00000000 +#define CFG_GPDR0_VAL 0x0060A800 +#define CFG_GPDR1_VAL 0x00FF0382 +#define CFG_GPDR2_VAL 0x0001C000 +#define CFG_GAFR0_L_VAL 0x98400000 +#define CFG_GAFR0_U_VAL 0x00002950 +#define CFG_GAFR1_L_VAL 0x000A9558 +#define CFG_GAFR1_U_VAL 0x0005AAAA +#define CFG_GAFR2_L_VAL 0xA0000000 +#define CFG_GAFR2_U_VAL 0x00000002 + +#define CFG_PSSR_VAL 0x20 + +/* + * Memory settings + */ +#define CFG_MSC0_VAL 0x23F223F2 +#define CFG_MSC1_VAL 0x3FF1A441 +#define CFG_MSC2_VAL 0x7FF97FF1 +#define CFG_MDCNFG_VAL 0x00001AC9 +#define CFG_MDREFR_VAL 0x00018018 +#define CFG_MDMRS_VAL 0x00000000 + +/* + * PCMCIA and CF Interfaces + */ +#define CFG_MECR_VAL 0x00000000 +#define CFG_MCMEM0_VAL 0x00010504 +#define CFG_MCMEM1_VAL 0x00010504 +#define CFG_MCATT0_VAL 0x00010504 +#define CFG_MCATT1_VAL 0x00010504 +#define CFG_MCIO0_VAL 0x00004715 +#define CFG_MCIO1_VAL 0x00004715 + +#define _LED 0x08000010 +#define LED_BLANK 0x08000040 + +/* + * FLASH and environment organization + */ +#ifndef CFG_NO_FLASH +#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ + +/* timeout values are in ticks */ +#define CFG_FLASH_ERASE_TOUT (25*CFG_HZ) /* Timeout for Flash Erase */ +#define CFG_FLASH_WRITE_TOUT (25*CFG_HZ) /* Timeout for Flash Write */ + + +/* NOTE: many default partitioning schemes assume the kernel starts at the + * second sector, not an environment. You have been warned! + */ +#define CFG_MONITOR_LEN PHYS_FLASH_SECT_SIZE +#endif /* #ifndef CFG_NO_FLASH */ + +#define CFG_ENV_IS_NOWHERE +/* #define CFG_ENV_IS_IN_NAND 1 */ +#define CFG_ENV_OFFSET 0x40000 +#define CFG_ENV_SIZE 0x4000 + +#endif /* __CONFIG_H */