mmc: dump card and host capabilities if debug is enabled

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>

diff --git a/cmd/mmc.c b/cmd/mmc.c
index 6d48ecbe0b7d2699236ba02502af593864dce7bc..25795e032500acd43cc92be99ccf8e9d5fd9e36d 100644 (file)
--- a/cmd/mmc.c
+++ b/cmd/mmc.c
@@ -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",

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index ab2483e9dbade19baa2d276750ea3a6c896c3fb6..9b5c982578c928d5ce3e9b13cb01c217bb61537c 100644 (file)
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -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);