diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/mmc.c | 62 | ||||
| -rw-r--r-- | drivers/mmc/mmc_legacy.c | 23 |
2 files changed, 59 insertions, 26 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 3cfe6bff49..f7827f527a 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -23,29 +23,8 @@ static int mmc_set_signal_voltage(struct mmc *mmc, uint signal_voltage); static int mmc_power_cycle(struct mmc *mmc); +#if !CONFIG_IS_ENABLED(MMC_TINY) static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps); - -#if CONFIG_IS_ENABLED(MMC_TINY) -static struct mmc mmc_static; -struct mmc *find_mmc_device(int dev_num) -{ - return &mmc_static; -} - -void mmc_do_preinit(void) -{ - struct mmc *m = &mmc_static; -#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT - mmc_set_preinit(m, 1); -#endif - if (m->preinit) - mmc_start_init(m); -} - -struct blk_desc *mmc_get_blk_desc(struct mmc *mmc) -{ - return &mmc->block_dev; -} #endif #if !CONFIG_IS_ENABLED(DM_MMC) @@ -772,6 +751,7 @@ int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value) } +#if !CONFIG_IS_ENABLED(MMC_TINY) static int mmc_set_card_speed(struct mmc *mmc, enum bus_mode mode) { int err; @@ -855,6 +835,7 @@ static int mmc_get_capabilities(struct mmc *mmc) return 0; } +#endif static int mmc_set_capacity(struct mmc *mmc, int part_num) { @@ -1154,6 +1135,7 @@ int mmc_getcd(struct mmc *mmc) } #endif +#if !CONFIG_IS_ENABLED(MMC_TINY) static int sd_switch(struct mmc *mmc, int mode, int group, u8 value, u8 *resp) { struct mmc_cmd cmd; @@ -1174,7 +1156,6 @@ static int sd_switch(struct mmc *mmc, int mode, int group, u8 value, u8 *resp) return mmc_send_cmd(mmc, &cmd, &data); } - static int sd_get_capabilities(struct mmc *mmc) { int err; @@ -1361,6 +1342,7 @@ static int sd_select_bus_width(struct mmc *mmc, int w) return 0; } +#endif #if CONFIG_IS_ENABLED(MMC_WRITE) static int sd_read_ssr(struct mmc *mmc) @@ -1584,6 +1566,7 @@ static inline int mmc_set_signal_voltage(struct mmc *mmc, uint signal_voltage) } #endif +#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 @@ -1936,6 +1919,11 @@ error: return -ENOTSUPP; } +#endif + +#if CONFIG_IS_ENABLED(MMC_TINY) +DEFINE_CACHE_ALIGN_BUFFER(u8, ext_csd_bkup, MMC_MAX_BLOCK_LEN); +#endif static int mmc_startup_v4(struct mmc *mmc) { @@ -1955,6 +1943,23 @@ static int mmc_startup_v4(struct mmc *mmc) MMC_VERSION_5_1 }; +#if CONFIG_IS_ENABLED(MMC_TINY) + u8 *ext_csd = ext_csd_bkup; + + if (IS_SD(mmc) || mmc->version < MMC_VERSION_4) + return 0; + + if (!mmc->ext_csd) + memset(ext_csd_bkup, 0, sizeof(ext_csd_bkup)); + + err = mmc_send_ext_csd(mmc, ext_csd); + if (err) + goto error; + + /* store the ext csd for future reference */ + if (!mmc->ext_csd) + mmc->ext_csd = ext_csd; +#else ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN); if (IS_SD(mmc) || (mmc->version < MMC_VERSION_4)) @@ -1971,7 +1976,7 @@ static int mmc_startup_v4(struct mmc *mmc) if (!mmc->ext_csd) return -ENOMEM; memcpy(mmc->ext_csd, ext_csd, MMC_MAX_BLOCK_LEN); - +#endif if (ext_csd[EXT_CSD_REV] >= ARRAY_SIZE(mmc_versions)) return -EINVAL; @@ -2110,7 +2115,9 @@ static int mmc_startup_v4(struct mmc *mmc) return 0; error: if (mmc->ext_csd) { +#if !CONFIG_IS_ENABLED(MMC_TINY) free(mmc->ext_csd); +#endif mmc->ext_csd = NULL; } return err; @@ -2299,6 +2306,11 @@ static int mmc_startup(struct mmc *mmc) if (err) return err; +#if CONFIG_IS_ENABLED(MMC_TINY) + mmc_set_clock(mmc, mmc->legacy_speed, false); + mmc_select_mode(mmc, IS_SD(mmc) ? SD_LEGACY : MMC_LEGACY); + mmc_set_bus_width(mmc, 1); +#else if (IS_SD(mmc)) { err = sd_get_capabilities(mmc); if (err) @@ -2310,7 +2322,7 @@ static int mmc_startup(struct mmc *mmc) return err; mmc_select_mode_and_width(mmc, mmc->card_caps); } - +#endif if (err) return err; diff --git a/drivers/mmc/mmc_legacy.c b/drivers/mmc/mmc_legacy.c index 6c8b50830f..66a7cda440 100644 --- a/drivers/mmc/mmc_legacy.c +++ b/drivers/mmc/mmc_legacy.c @@ -12,7 +12,28 @@ static struct list_head mmc_devices; static int cur_dev_num = -1; -#if !CONFIG_IS_ENABLED(MMC_TINY) +#if CONFIG_IS_ENABLED(MMC_TINY) +static struct mmc mmc_static; +struct mmc *find_mmc_device(int dev_num) +{ + return &mmc_static; +} + +void mmc_do_preinit(void) +{ + struct mmc *m = &mmc_static; +#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT + mmc_set_preinit(m, 1); +#endif + if (m->preinit) + mmc_start_init(m); +} + +struct blk_desc *mmc_get_blk_desc(struct mmc *mmc) +{ + return &mmc->block_dev; +} +#else struct mmc *find_mmc_device(int dev_num) { struct mmc *m; |