summaryrefslogtreecommitdiff
path: root/drivers/mmc
diff options
context:
space:
mode:
authorPrabhakar Kushwaha <prabhakar@freescale.com>2014-04-08 19:13:22 +0530
committerYork Sun <yorksun@freescale.com>2014-04-22 17:58:50 -0700
commit1eaa742d85a59ed3602a78445adf903f26d9b594 (patch)
tree90149ac38e6b0a4a1ebe9e84794d01cee13b2250 /drivers/mmc
parente278ddcd7fb6550b58030988467ef4b48d51bed8 (diff)
downloadu-boot-imx-1eaa742d85a59ed3602a78445adf903f26d9b594.zip
u-boot-imx-1eaa742d85a59ed3602a78445adf903f26d9b594.tar.gz
u-boot-imx-1eaa742d85a59ed3602a78445adf903f26d9b594.tar.bz2
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>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/fsl_esdhc_spl.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/mmc/fsl_esdhc_spl.c b/drivers/mmc/fsl_esdhc_spl.c
index e0bbf21..b1cb4b3 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