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spl: mmc: use block device number, not hard-coded 0

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In order to support boot from multiple devices through board_boot_order,
it's necessary to use the block number of a device.

The use of a hard-coded 0 for the device number also creates a need
to re-order block devices for use in SPL like this:
	http://git.denx.de/?p=u-boot.git;a=blob;f=board/freescale/mx6slevk/mx6slevk.c;hb=HEAD#l195

Signed-off-by: Eric Nelson <eric@nelint.com>
This commit is contained in:
Eric Nelson 2015-12-05 12:32:28 -07:00 committed by Tom Rini
parent 653447b407
commit 5915517b7b
1 changed files with 5 additions and 3 deletions
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8
common/spl/spl_mmc.c
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@ -23,12 +23,13 @@ static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
unsigned long count;
u32 image_size_sectors;
struct image_header *header;
int dev_num = mmc->block_dev.dev;
header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
sizeof(struct image_header));
/* read image header to find the image size & load address */
count = mmc->block_dev.block_read(0, sector, 1, header);
count = mmc->block_dev.block_read(dev_num, sector, 1, header);
debug("read sector %lx, count=%lu\n", sector, count);
if (count == 0)
goto end;
@ -45,7 +46,7 @@ static int mmc_load_image_raw_sector(struct mmc *mmc, unsigned long sector)
mmc->read_bl_len;
/* Read the header too to avoid extra memcpy */
count = mmc->block_dev.block_read(0, sector, image_size_sectors,
count = mmc->block_dev.block_read(dev_num, sector, image_size_sectors,
(void *)(ulong)spl_image.load_addr);
debug("read %x sectors to %x\n", image_size_sectors,
spl_image.load_addr);
@ -149,7 +150,8 @@ static int mmc_load_image_raw_os(struct mmc *mmc)
{
unsigned long count;
count = mmc->block_dev.block_read(0,
count = mmc->block_dev.block_read(
mmc->block_dev.dev,
CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR,
CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS,
(void *) CONFIG_SYS_SPL_ARGS_ADDR);