From 1eaa742d85a59ed3602a78445adf903f26d9b594 Mon Sep 17 00:00:00 2001
From: Prabhakar Kushwaha <prabhakar@freescale.com>
Date: Tue, 8 Apr 2014 19:13:22 +0530
Subject: driver: Add support of image load for MMC & SPI in SPL
Add support of loading image, binary for MMC and SPI during SPL boot.
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
---
drivers/mmc/fsl_esdhc_spl.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
(limited to 'drivers/mmc')
diff --git a/drivers/mmc/fsl_esdhc_spl.c b/drivers/mmc/fsl_esdhc_spl.c
index e0bbf21b62..b1cb4b3534 100644
--- a/drivers/mmc/fsl_esdhc_spl.c
+++ b/drivers/mmc/fsl_esdhc_spl.c
@@ -19,6 +19,32 @@
#define MBRDBR_BOOT_SIG_AA 0x1ff
#define CONFIG_CFG_DATA_SECTOR 0
+
+void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst)
+{
+ uint blk_start, blk_cnt, err;
+
+ struct mmc *mmc = find_mmc_device(0);
+ if (!mmc) {
+ puts("spl: mmc device not found!!\n");
+ hang();
+ }
+
+ if (mmc_init(mmc)) {
+ puts("MMC init failed\n");
+ return;
+ }
+
+ blk_start = ALIGN(offs, mmc->read_bl_len) / mmc->read_bl_len;
+ blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len;
+
+ err = mmc->block_dev.block_read(0, blk_start, blk_cnt, vdst);
+ if (err != blk_cnt) {
+ puts("spl: mmc read failed!!\n");
+ hang();
+ }
+}
+
/*
* The main entry for mmc booting. It's necessary that SDRAM is already
* configured and available since this code loads the main U-Boot image
--
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