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[U-Boot,1/2] powerpc: mmc: Add corenet devices support in esdhc spl

Message ID 1383212709-2291-1-git-send-email-Priyanka.Jain@freescale.com
State Superseded
Delegated to: York Sun
Headers show

Commit Message

Priyanka Jain Oct. 31, 2013, 9:45 a.m. UTC
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.

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>
---
 drivers/mmc/fsl_esdhc_spl.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
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Patch

diff --git a/drivers/mmc/fsl_esdhc_spl.c b/drivers/mmc/fsl_esdhc_spl.c
index 65c52a2..8fc263f 100644
--- a/drivers/mmc/fsl_esdhc_spl.c
+++ b/drivers/mmc/fsl_esdhc_spl.c
@@ -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,