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mmc: dump card and host capabilities if debug is enabled

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This is a useful information while debugging the initialization process or
performance issues.
Also dump this information with the other mmc info if the verbose option
is selected

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
This commit is contained in:
Jean-Jacques Hiblot 2017-11-30 17:43:54 +01:00 committed by Jaehoon Chung
parent ef1614acf8
commit 52d241dfba
2 changed files with 13 additions and 0 deletions
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4
cmd/mmc.c
View File

@ -24,7 +24,11 @@ static void print_mmcinfo(struct mmc *mmc)
(mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
printf("Bus Speed: %d\n", mmc->clock);
#if CONFIG_IS_ENABLED(MMC_VERBOSE)
printf("Mode : %s\n", mmc_mode_name(mmc->selected_mode));
mmc_dump_capabilities("card capabilities", mmc->card_caps);
mmc_dump_capabilities("host capabilities", mmc->host_caps);
#endif
printf("Rd Block Len: %d\n", mmc->read_bl_len);
printf("%s version %d.%d", IS_SD(mmc) ? "SD" : "MMC",

9
drivers/mmc/mmc.c
View File

@ -1582,6 +1582,10 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps)
bool uhs_en = (mmc->ocr & OCR_S18R) ? true : false;
uint caps;
#ifdef DEBUG
mmc_dump_capabilities("sd card", card_caps);
mmc_dump_capabilities("host", mmc->host_caps | MMC_MODE_1BIT);
#endif
/* Restrict card's capabilities by what the host can do */
caps = card_caps & (mmc->host_caps | MMC_MODE_1BIT);
@ -1764,6 +1768,11 @@ static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps)
const struct mode_width_tuning *mwt;
const struct ext_csd_bus_width *ecbw;
#ifdef DEBUG
mmc_dump_capabilities("mmc", card_caps);
mmc_dump_capabilities("host", mmc->host_caps | MMC_MODE_1BIT);
#endif
/* Restrict card's capabilities by what the host can do */
card_caps &= (mmc->host_caps | MMC_MODE_1BIT);