diff options
Diffstat (limited to 'drivers/mmc/mmc.c')
| -rw-r--r-- | drivers/mmc/mmc.c | 130 |
1 files changed, 95 insertions, 35 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 7b068c71ff3..d4f2fd5bf89 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -8,7 +8,6 @@ */ #include <config.h> -#include <common.h> #include <blk.h> #include <command.h> #include <dm.h> @@ -17,6 +16,7 @@ #include <errno.h> #include <mmc.h> #include <part.h> +#include <time.h> #include <linux/bitops.h> #include <linux/delay.h> #include <linux/printk.h> @@ -24,11 +24,47 @@ #include <malloc.h> #include <memalign.h> #include <linux/list.h> +#include <linux/printk.h> #include <div64.h> #include "mmc_private.h" #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) @@ -293,7 +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; } @@ -306,7 +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; } @@ -329,7 +365,7 @@ int mmc_set_blocklen(struct mmc *mmc, int len) MMC_QUIRK_RETRY_SET_BLOCKLEN, 4); } -#ifdef MMC_SUPPORTS_TUNING +#if CONFIG_IS_ENABLED(MMC_SUPPORTS_TUNING) static const u8 tuning_blk_pattern_4bit[] = { 0xff, 0x0f, 0xff, 0x00, 0xff, 0xcc, 0xc3, 0xcc, 0xc3, 0x3c, 0xcc, 0xff, 0xfe, 0xff, 0xfe, 0xef, @@ -448,7 +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; } @@ -499,8 +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; } @@ -784,7 +820,6 @@ static int mmc_complete_op_cond(struct mmc *mmc) return 0; } - int mmc_send_ext_csd(struct mmc *mmc, u8 *ext_csd) { struct mmc_cmd cmd; @@ -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; } @@ -1621,7 +1655,7 @@ static inline int bus_width(uint cap) } #if !CONFIG_IS_ENABLED(DM_MMC) -#ifdef MMC_SUPPORTS_TUNING +#if CONFIG_IS_ENABLED(MMC_SUPPORTS_TUNING) static int mmc_execute_tuning(struct mmc *mmc, uint opcode) { return -ENOTSUPP; @@ -1702,7 +1736,7 @@ void mmc_dump_capabilities(const char *text, uint caps) struct mode_width_tuning { enum bus_mode mode; uint widths; -#ifdef MMC_SUPPORTS_TUNING +#if CONFIG_IS_ENABLED(MMC_SUPPORTS_TUNING) uint tuning; #endif }; @@ -1743,7 +1777,7 @@ static inline int mmc_set_signal_voltage(struct mmc *mmc, uint signal_voltage) #if !CONFIG_IS_ENABLED(MMC_TINY) static const struct mode_width_tuning sd_modes_by_pref[] = { #if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) -#ifdef MMC_SUPPORTS_TUNING +#if CONFIG_IS_ENABLED(MMC_SUPPORTS_TUNING) { .mode = UHS_SDR104, .widths = MMC_MODE_4BIT | MMC_MODE_1BIT, @@ -1846,7 +1880,7 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps) mmc_set_clock(mmc, mmc->tran_speed, MMC_CLK_ENABLE); -#ifdef MMC_SUPPORTS_TUNING +#if CONFIG_IS_ENABLED(MMC_SUPPORTS_TUNING) /* execute tuning if needed */ if (mwt->tuning && !mmc_host_is_spi(mmc)) { err = mmc_execute_tuning(mmc, @@ -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) @@ -2224,7 +2258,7 @@ static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps) mmc_select_mode(mmc, mwt->mode); mmc_set_clock(mmc, mmc->tran_speed, MMC_CLK_ENABLE); -#ifdef MMC_SUPPORTS_TUNING +#if CONFIG_IS_ENABLED(MMC_SUPPORTS_TUNING) /* execute tuning if needed */ if (mwt->tuning) { @@ -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); |