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powerpc: mmc: Add corenet devices support in esdhc spl

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Existing eSDHC SPL framework assumes booting from sd-image
with boot_format header which contains final u-boot Image
offset and size. No such header is present in case of
corenet devices like T1040 as corenet deivces use PBI-RCW
based intialization.

So, for corenet deives, SPL bootloader use values provided
at compilation time. These values can be defined in board
specific config file.

Signed-off-by: Priyanka Jain <Priyanka.Jain@freescale.com>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
This commit is contained in:
Priyanka Jain 2013-11-28 10:12:16 +05:30 committed by Pantelis Antoniou
parent 9108b315f2
commit 4520a2f28e
1 changed files with 5 additions and 0 deletions
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5
drivers/mmc/fsl_esdhc_spl.c
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@ -42,6 +42,10 @@ void __noreturn mmc_boot(void)
hang();
}
#ifdef CONFIG_FSL_CORENET
offset = CONFIG_SYS_MMC_U_BOOT_OFFS;
code_len = CONFIG_SYS_MMC_U_BOOT_SIZE;
#else
blklen = mmc->read_bl_len;
tmp_buf = malloc(blklen);
if (!tmp_buf) {
@ -91,6 +95,7 @@ void __noreturn mmc_boot(void)
/*
* Load U-Boot image from mmc into RAM
*/
#endif
blk_start = ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len;
blk_cnt = ALIGN(code_len, mmc->read_bl_len) / mmc->read_bl_len;
err = mmc->block_dev.block_read(0, blk_start, blk_cnt,