Currently nand_spl_simple puts it's temp data at 0x10000 offset in SDRAM which is likely to contain already loaded data. I can't see any way to determine some safe address automagically so make it up to board porter to provide the safe-to-use address via CONFIG_SPL_NAND_WORKSPACE value.
Signed-off-by: Ilya Yanok yanok@emcraft.com --- drivers/mtd/nand/nand_spl_simple.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/drivers/mtd/nand/nand_spl_simple.c b/drivers/mtd/nand/nand_spl_simple.c index dd1de27..e40cbf0 100644 --- a/drivers/mtd/nand/nand_spl_simple.c +++ b/drivers/mtd/nand/nand_spl_simple.c @@ -158,8 +158,13 @@ static int nand_read_page(int block, int page, void *dst)
/* No malloc available for now, just use some temporary locations * in SDRAM + * Please provide some safe value for CONFIG_SPL_NAND_WORKSPACE in + * your board configuration, this is just a guess!! */ - ecc_calc = (u_char *)(CONFIG_SYS_SDRAM_BASE + 0x10000); +#ifndef CONFIG_SPL_NAND_WORKSPACE +#define CONFIG_SPL_NAND_WORKSPACE (CONFIG_SYS_SDRAM_BASE + 0x10000) +#endif + ecc_calc = (u_char *)CONFIG_SPL_NAND_WORKSPACE; ecc_code = ecc_calc + 0x100; oob_data = ecc_calc + 0x200;