mmc: Add more debugging for SPL

When MMC booting fails it is sometimes hard to figure out what went
wrong as there is no error code. It isn't even clear which MMC device
was chosen, since SPL can have its own numbering.

Add some debugging to help with this.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2024-09-20 09:24:37 +02:00
committed by Tom Rini
parent db59f0bcb6
commit 69bd517eeb

View File

@@ -50,6 +50,7 @@ int mmc_load_image_raw_sector(struct spl_image_info *spl_image,
ret = spl_load(spl_image, bootdev, &load, 0, sector << bd->log2blksz);
if (ret) {
puts("mmc_load_image_raw_sector: mmc block read error\n");
log_debug("(error=%d)\n", ret);
return ret;
}
@@ -76,6 +77,12 @@ static int spl_mmc_find_device(struct mmc **mmcp, int mmc_dev)
int ret;
#if CONFIG_IS_ENABLED(DM_MMC)
struct udevice *dev;
struct uclass *uc;
log_debug("Selecting MMC dev %d; seqs:\n", mmc_dev);
uclass_id_foreach_dev(UCLASS_MMC, dev, uc)
log_debug("%d: %s\n", dev_seq(dev), dev->name);
ret = mmc_init_device(mmc_dev);
#else
ret = mmc_initialize(NULL);
@@ -91,6 +98,9 @@ static int spl_mmc_find_device(struct mmc **mmcp, int mmc_dev)
mmc_dev, ret);
return ret;
}
#if CONFIG_IS_ENABLED(DM_MMC)
log_debug("mmc %d: %s\n", mmc_dev, (*mmcp)->dev->name);
#endif
return 0;
}
@@ -342,6 +352,8 @@ int spl_mmc_load(struct spl_image_info *spl_image,
/* Perform peripheral init only once for an mmc device */
mmc_dev = spl_mmc_get_device_index(bootdev->boot_device);
log_debug("boot_device=%d, mmc_dev=%d\n", bootdev->boot_device,
mmc_dev);
if (!mmc || spl_mmc_get_mmc_devnum(mmc) != mmc_dev) {
ret = spl_mmc_find_device(&mmc, mmc_dev);
if (ret)