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path: root/drivers/mmc/mmc.c
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Diffstat (limited to 'drivers/mmc/mmc.c')
-rw-r--r--drivers/mmc/mmc.c114
1 files changed, 87 insertions, 27 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index cf8277cbed8..d4f2fd5bf89 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -30,6 +30,41 @@
#define DEFAULT_CMD6_TIMEOUT_MS 500
+/**
+ * names of emmc BOOT_PARTITION_ENABLE values
+ *
+ * Boot Area Partitions - name consistent with Linux
+ */
+const char *emmc_boot_part_names[] = {
+ "default", /* EMMC_BOOT_PART_DEFAULT */
+ "boot0", /* EMMC_BOOT_PART_BOOT1 */
+ "boot1", /* EMMC_BOOT_PART_BOOT2 */
+ "",
+ "",
+ "",
+ "",
+ "user", /* EMMC_BOOT_PART_USER */
+};
+
+/**
+ * names of emmc 'hardware partitions' consistent with:
+ * - value used in mmc_switch()
+ * - value used by PARTITION_CONFIG PARTITION_ACCESS field
+ *
+ * Boot Area Partitions - name consistent with Linux
+ * General Perpose Partitions - name consistent with 'mmc hwpartition' usage
+ */
+const char *emmc_hwpart_names[] = {
+ "user", /* EMMC_HWPART_DEFAULT */
+ "boot0", /* EMMC_HWPART_BOOT1 */
+ "boot1", /* EMMC_HWPART_BOOT2 */
+ "rpmb", /* EMMC_HWPART_RPMB */
+ "gp1", /* EMMC_HWPART_GP1 */
+ "gp2", /* EMMC_HWPART_GP2 */
+ "gp3", /* EMMC_HWPART_GP3 */
+ "gp4", /* EMMC_HWPART_GP4 */
+};
+
static int mmc_set_signal_voltage(struct mmc *mmc, uint signal_voltage);
#if !CONFIG_IS_ENABLED(DM_MMC)
@@ -294,7 +329,7 @@ int mmc_poll_for_busy(struct mmc *mmc, int timeout_ms)
if (status & MMC_STATUS_MASK) {
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
- pr_err("Status Error: 0x%08x\n", status);
+ log_err("Status Error: %#08x\n", status);
#endif
return -ECOMM;
}
@@ -307,7 +342,7 @@ int mmc_poll_for_busy(struct mmc *mmc, int timeout_ms)
if (timeout_ms <= 0) {
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
- pr_err("Timeout waiting card ready\n");
+ log_err("Timeout waiting card ready\n");
#endif
return -ETIMEDOUT;
}
@@ -449,7 +484,7 @@ static int mmc_read_blocks(struct mmc *mmc, void *dst, lbaint_t start,
if (blkcnt > 1) {
if (mmc_send_stop_transmission(mmc, false)) {
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
- pr_err("mmc fail to send stop cmd\n");
+ log_err("mmc fail to send stop cmd\n");
#endif
return 0;
}
@@ -500,8 +535,8 @@ ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
if ((start + blkcnt) > block_dev->lba) {
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
- pr_err("MMC: block number 0x" LBAF " exceeds max(0x" LBAF ")\n",
- start + blkcnt, block_dev->lba);
+ log_err("MMC: block number 0x" LBAF " exceeds max(0x" LBAF ")\n",
+ start + blkcnt, block_dev->lba);
#endif
return 0;
}
@@ -962,8 +997,8 @@ static int mmc_set_card_speed(struct mmc *mmc, enum bus_mode mode,
* Extended CSD. Reconfigure the controller to run at HS mode.
*/
if (hsdowngrade) {
- mmc_select_mode(mmc, MMC_HS);
- mmc_set_clock(mmc, mmc_mode2freq(mmc, MMC_HS), false);
+ mmc_select_mode(mmc, MMC_HS_52);
+ mmc_set_clock(mmc, mmc_mode2freq(mmc, MMC_HS_52), false);
}
#endif
@@ -996,7 +1031,7 @@ static int mmc_get_capabilities(struct mmc *mmc)
return 0;
if (!ext_csd) {
- pr_err("No ext_csd found!\n"); /* this should enver happen */
+ log_err("No ext_csd found!\n"); /* this should never happen */
return -ENOTSUPP;
}
@@ -1108,17 +1143,17 @@ int mmc_hwpart_config(struct mmc *mmc,
return -EINVAL;
if (IS_SD(mmc) || (mmc->version < MMC_VERSION_4_41)) {
- pr_err("eMMC >= 4.4 required for enhanced user data area\n");
+ log_err("eMMC >= 4.4 required for enhanced user data area\n");
return -EMEDIUMTYPE;
}
if (!(mmc->part_support & PART_SUPPORT)) {
- pr_err("Card does not support partitioning\n");
+ log_err("Card does not support partitioning\n");
return -EMEDIUMTYPE;
}
if (!mmc->hc_wp_grp_size) {
- pr_err("Card does not define HC WP group size\n");
+ log_err("Card does not define HC WP group size\n");
return -EMEDIUMTYPE;
}
@@ -1126,8 +1161,7 @@ int mmc_hwpart_config(struct mmc *mmc,
if (conf->user.enh_size) {
if (conf->user.enh_size % mmc->hc_wp_grp_size ||
conf->user.enh_start % mmc->hc_wp_grp_size) {
- pr_err("User data enhanced area not HC WP group "
- "size aligned\n");
+ log_err("User data enhanced area not HC WP group size aligned\n");
return -EINVAL;
}
part_attrs |= EXT_CSD_ENH_USR;
@@ -1145,8 +1179,8 @@ int mmc_hwpart_config(struct mmc *mmc,
for (pidx = 0; pidx < 4; pidx++) {
if (conf->gp_part[pidx].size % mmc->hc_wp_grp_size) {
- pr_err("GP%i partition not HC WP group size "
- "aligned\n", pidx+1);
+ log_err("GP%i partition not HC WP group-size aligned\n",
+ pidx + 1);
return -EINVAL;
}
gp_size_mult[pidx] = conf->gp_part[pidx].size / mmc->hc_wp_grp_size;
@@ -1157,7 +1191,7 @@ int mmc_hwpart_config(struct mmc *mmc,
}
if (part_attrs && ! (mmc->part_support & ENHNCD_SUPPORT)) {
- pr_err("Card does not support enhanced attribute\n");
+ log_err("Card does not support enhanced attribute\n");
return -EMEDIUMTYPE;
}
@@ -1170,8 +1204,8 @@ int mmc_hwpart_config(struct mmc *mmc,
(ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT+1] << 8) +
ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT];
if (tot_enh_size_mult > max_enh_size_mult) {
- pr_err("Total enhanced size exceeds maximum (%u > %u)\n",
- tot_enh_size_mult, max_enh_size_mult);
+ log_err("Total enhanced size exceeds maximum (%#x > %#x)\n",
+ tot_enh_size_mult, max_enh_size_mult);
return -EMEDIUMTYPE;
}
@@ -1204,7 +1238,7 @@ int mmc_hwpart_config(struct mmc *mmc,
if (ext_csd[EXT_CSD_PARTITION_SETTING] &
EXT_CSD_PARTITION_SETTING_COMPLETED) {
- pr_err("Card already partitioned\n");
+ log_err("Card already partitioned\n");
return -EPERM;
}
@@ -1875,7 +1909,7 @@ error:
}
}
- pr_err("unable to select a mode\n");
+ log_err("unable to select a mode\n");
return -ENOTSUPP;
}
@@ -2043,7 +2077,7 @@ static int mmc_select_hs400(struct mmc *mmc)
}
/* Set back to HS */
- mmc_set_card_speed(mmc, MMC_HS, true);
+ mmc_set_card_speed(mmc, MMC_HS_52, true);
err = mmc_hs400_prepare_ddr(mmc);
if (err)
@@ -2253,7 +2287,7 @@ error:
}
}
- pr_err("unable to select a mode : %d\n", err);
+ log_err("unable to select a mode: %d\n", err);
return -ENOTSUPP;
}
@@ -2921,7 +2955,8 @@ retry:
if (err) {
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
if (!quiet)
- pr_err("Card did not respond to voltage select! : %d\n", err);
+ log_err("Card did not respond to voltage select! : %d\n",
+ err);
#endif
return -EOPNOTSUPP;
}
@@ -2954,7 +2989,7 @@ int mmc_start_init(struct mmc *mmc)
| MMC_CAP(MMC_LEGACY) |
MMC_MODE_1BIT);
} else {
- pr_err("bus_mode requested is not supported\n");
+ log_err("bus_mode requested is not supported\n");
return -EINVAL;
}
}
@@ -2974,7 +3009,7 @@ int mmc_start_init(struct mmc *mmc)
if (no_card) {
mmc->has_init = 0;
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
- pr_err("MMC: no card present\n");
+ log_err("MMC: no card present\n");
#endif
return -ENOMEDIUM;
}
@@ -3004,6 +3039,20 @@ static int mmc_complete_init(struct mmc *mmc)
return err;
}
+static void __maybe_unused mmc_cyclic_cd_poll(struct cyclic_info *c)
+{
+ struct mmc *m = CONFIG_IS_ENABLED(CYCLIC, (container_of(c, struct mmc, cyclic)), (NULL));
+
+ if (!m->has_init)
+ return;
+
+ if (mmc_getcd(m))
+ return;
+
+ mmc_deinit(m);
+ m->has_init = 0;
+}
+
int mmc_init(struct mmc *mmc)
{
int err = 0;
@@ -3026,6 +3075,14 @@ int mmc_init(struct mmc *mmc)
if (err)
pr_info("%s: %d, time %lu\n", __func__, err, get_timer(start));
+ if (CONFIG_IS_ENABLED(CYCLIC, (!mmc->cyclic.func), (NULL))) {
+ /* Register cyclic function for card detect polling */
+ CONFIG_IS_ENABLED(CYCLIC, (cyclic_register(&mmc->cyclic,
+ mmc_cyclic_cd_poll,
+ 100 * 1000,
+ mmc->cfg->name)));
+ }
+
return err;
}
@@ -3033,6 +3090,9 @@ int mmc_deinit(struct mmc *mmc)
{
u32 caps_filtered;
+ if (CONFIG_IS_ENABLED(CYCLIC, (mmc->cyclic.func), (NULL)))
+ CONFIG_IS_ENABLED(CYCLIC, (cyclic_unregister(&mmc->cyclic)));
+
if (!CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) &&
!CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) &&
!CONFIG_IS_ENABLED(MMC_HS400_SUPPORT))
@@ -3103,7 +3163,7 @@ static int mmc_probe(struct bd_info *bis)
uclass_foreach_dev(dev, uc) {
ret = device_probe(dev);
if (ret)
- pr_err("%s - probe failed: %d\n", dev->name, ret);
+ log_err("%s - probe failed: %d\n", dev->name, ret);
}
return 0;
@@ -3153,7 +3213,7 @@ int mmc_init_device(int num)
if (uclass_get_device_by_seq(UCLASS_MMC, num, &dev)) {
ret = uclass_get_device(UCLASS_MMC, num, &dev);
if (ret)
- return ret;
+ return log_msg_ret("ini", ret);
}
m = mmc_get_mmc_dev(dev);
generated by cgit v1.2.3 (git 2.0.4) at 2025-09-26 13:01:32 +0000