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ppc4xx: Change Canyonlands to support booting from 2k page NAND devices

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Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Stefan Roese 2008-04-08 10:33:29 +02:00
parent 5e182dce04
commit 499e7831e1
5 changed files with 35 additions and 15 deletions
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13
board/amcc/canyonlands/bootstrap.c
View file

@ -63,9 +63,22 @@ static u8 boot_configs[][17] = {
/*
* Bytes 5,6,8,9,11 change for NAND boot
*/
#if 0
/*
* Values for 512 page size NAND chips, not used anymore, just
* keep them here for reference
*/
static u8 nand_boot[] = {
0x90, 0x01, 0xa0, 0x68, 0x58
};
#else
/*
* Values for 2k page size NAND chips
*/
static u8 nand_boot[] = {
0x90, 0x01, 0xa0, 0xe8, 0x58
};
#endif
static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{

1
board/amcc/canyonlands/init.S
View file

@ -51,6 +51,7 @@ tlbtab:
#else
tlbentry(CFG_NAND_BOOT_SPL_SRC, SZ_4K, CFG_NAND_BOOT_SPL_SRC, 4, 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(256 << 20, SZ_256M, 256 << 20, 0, AC_R|AC_W|AC_X|SA_G|SA_I)
#endif
/*

4
board/amcc/canyonlands/u-boot-nand.lds
View file

@ -56,10 +56,10 @@ SECTIONS
cpu/ppc4xx/start.o (.text)
/* Align to next NAND block */
. = ALIGN(0x4000);
. = ALIGN(0x20000);
common/environment.o (.ppcenv)
/* Keep some space here for redundant env and potential bad env blocks */
. = ALIGN(0x10000);
. = ALIGN(0x80000);
*(.text)
*(.fixup)

26
include/configs/canyonlands.h
View file

@ -141,6 +141,9 @@
* 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
*
* This is the first official implementation of booting from 2k page sized
* NAND devices (e.g. Micron 29F2G08AA 256Mbit * 8)
*/
#define CFG_NAND_BOOT_SPL_SRC 0xfffff000 /* SPL location */
#define CFG_NAND_BOOT_SPL_SIZE (4 << 10) /* SPL size */
@ -153,24 +156,27 @@
/*
* 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 */
#define CFG_NAND_U_BOOT_OFFS (128 << 10) /* Offset to RAM U-Boot image */
#define CFG_NAND_U_BOOT_SIZE (1 << 20) /* 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_PAGE_SIZE (2 << 10) /* NAND chip page size */
#define CFG_NAND_BLOCK_SIZE (128 << 10) /* NAND chip block size */
#define CFG_NAND_PAGE_COUNT (CFG_NAND_BLOCK_SIZE / CFG_NAND_PAGE_SIZE)
/* NAND chip page count */
#define CFG_NAND_BAD_BLOCK_POS 0 /* Location of bad block marker*/
#define CFG_NAND_5_ADDR_CYCLE /* Fifth addr used (<=128MB) */
#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_OOBSIZE 64
#define CFG_NAND_ECCTOTAL (CFG_NAND_ECCBYTES * CFG_NAND_ECCSTEPS)
#define CFG_NAND_ECCPOS {0, 1, 2, 3, 6, 7}
#define CFG_NAND_ECCPOS {40, 41, 42, 43, 44, 45, 46, 47, \
48, 49, 50, 51, 52, 53, 54, 55, \
56, 57, 58, 59, 60, 61, 62, 63}
#ifdef CFG_ENV_IS_IN_NAND
/*
@ -231,7 +237,7 @@
#define CONFIG_DDR_ECC 1 /* with ECC support */
#define CONFIG_DDR_RQDC_FIXED 0x80000038 /* fixed value for RQDC */
#endif
#define CFG_MBYTES_SDRAM 256 /* 256MB */
#define CFG_MBYTES_SDRAM 512 /* 512MB */
/*-----------------------------------------------------------------------
* I2C

6
nand_spl/board/amcc/canyonlands/config.mk
View file

@ -34,9 +34,9 @@
#
TEXT_BASE = 0xE3003000
# PAD_TO used to generate a 16kByte binary needed for the combined image
# -> PAD_TO = TEXT_BASE + 0x4000
PAD_TO = 0xE3007000
# PAD_TO used to generate a 128kByte binary needed for the combined image
# -> PAD_TO = TEXT_BASE + 0x20000
PAD_TO = 0xE3023000
PLATFORM_CPPFLAGS += -DCONFIG_440=1