diff options
Diffstat (limited to 'drivers/mmc/mmc.c')
| -rw-r--r-- | drivers/mmc/mmc.c | 63 |
1 files changed, 62 insertions, 1 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 3fb82d9002..400e163340 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -59,10 +59,12 @@ struct blk_desc *mmc_get_blk_desc(struct mmc *mmc) #if !CONFIG_IS_ENABLED(DM_MMC) +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) static int mmc_wait_dat0(struct mmc *mmc, int state, int timeout) { return -ENOSYS; } +#endif __weak int board_mmc_getwp(struct mmc *mmc) { @@ -190,14 +192,20 @@ static uint mmc_mode2freq(struct mmc *mmc, enum bus_mode mode) [SD_LEGACY] = 25000000, [MMC_HS] = 26000000, [SD_HS] = 50000000, +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) [UHS_SDR12] = 25000000, [UHS_SDR25] = 50000000, [UHS_SDR50] = 100000000, - [UHS_SDR104] = 208000000, [UHS_DDR50] = 50000000, +#ifdef MMC_SUPPORTS_TUNING + [UHS_SDR104] = 208000000, +#endif +#endif [MMC_HS_52] = 52000000, [MMC_DDR_52] = 52000000, +#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) [MMC_HS_200] = 200000000, +#endif }; if (mode == MMC_LEGACY) @@ -308,6 +316,7 @@ int mmc_set_blocklen(struct mmc *mmc, int len) return err; } +#ifdef 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, @@ -375,6 +384,7 @@ int mmc_send_tuning(struct mmc *mmc, u32 opcode, int *cmd_error) return 0; } +#endif static int mmc_read_blocks(struct mmc *mmc, void *dst, lbaint_t start, lbaint_t blkcnt) @@ -495,6 +505,7 @@ static int mmc_go_idle(struct mmc *mmc) return 0; } +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) static int mmc_switch_voltage(struct mmc *mmc, int signal_voltage) { struct mmc_cmd cmd; @@ -554,6 +565,7 @@ static int mmc_switch_voltage(struct mmc *mmc, int signal_voltage) return 0; } +#endif static int sd_send_op_cond(struct mmc *mmc, bool uhs_en) { @@ -620,12 +632,14 @@ static int sd_send_op_cond(struct mmc *mmc, bool uhs_en) mmc->ocr = cmd.response[0]; +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) if (uhs_en && !(mmc_host_is_spi(mmc)) && (cmd.response[0] & 0x41000000) == 0x41000000) { err = mmc_switch_voltage(mmc, MMC_SIGNAL_VOLTAGE_180); if (err) return err; } +#endif mmc->high_capacity = ((mmc->ocr & OCR_HCS) == OCR_HCS); mmc->rca = 0; @@ -880,6 +894,7 @@ static int mmc_set_capacity(struct mmc *mmc, int part_num) return 0; } +#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) static int mmc_boot_part_access_chk(struct mmc *mmc, unsigned int part_num) { int forbidden = 0; @@ -903,6 +918,13 @@ static int mmc_boot_part_access_chk(struct mmc *mmc, unsigned int part_num) return 0; } +#else +static inline int mmc_boot_part_access_chk(struct mmc *mmc, + unsigned int part_num) +{ + return 0; +} +#endif int mmc_switch_part(struct mmc *mmc, unsigned int part_num) { @@ -1169,7 +1191,9 @@ static int sd_get_capabilities(struct mmc *mmc) ALLOC_CACHE_ALIGN_BUFFER(__be32, switch_status, 16); struct mmc_data data; int timeout; +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) u32 sd3_bus_mode; +#endif mmc->card_caps = MMC_MODE_1BIT | MMC_CAP(SD_LEGACY); @@ -1251,6 +1275,7 @@ retry_scr: if (__be32_to_cpu(switch_status[3]) & SD_HIGHSPEED_SUPPORTED) mmc->card_caps |= MMC_CAP(SD_HS); +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) /* Version before 3.0 don't support UHS modes */ if (mmc->version < SD_VERSION_3) return 0; @@ -1266,6 +1291,7 @@ retry_scr: mmc->card_caps |= MMC_CAP(UHS_SDR12); if (sd3_bus_mode & SD_MODE_UHS_DDR50) mmc->card_caps |= MMC_CAP(UHS_DDR50); +#endif return 0; } @@ -1438,10 +1464,12 @@ static inline int bus_width(uint cap) } #if !CONFIG_IS_ENABLED(DM_MMC) +#ifdef MMC_SUPPORTS_TUNING static int mmc_execute_tuning(struct mmc *mmc, uint opcode) { return -ENOTSUPP; } +#endif static void mmc_send_init_stream(struct mmc *mmc) { @@ -1507,9 +1535,12 @@ void mmc_dump_capabilities(const char *text, uint caps) struct mode_width_tuning { enum bus_mode mode; uint widths; +#ifdef MMC_SUPPORTS_TUNING uint tuning; +#endif }; +#if CONFIG_IS_ENABLED(MMC_IO_VOLTAGE) int mmc_voltage_to_mv(enum mmc_voltage voltage) { switch (voltage) { @@ -1535,13 +1566,22 @@ static int mmc_set_signal_voltage(struct mmc *mmc, uint signal_voltage) return err; } +#else +static inline int mmc_set_signal_voltage(struct mmc *mmc, uint signal_voltage) +{ + return 0; +} +#endif static const struct mode_width_tuning sd_modes_by_pref[] = { +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) +#ifdef MMC_SUPPORTS_TUNING { .mode = UHS_SDR104, .widths = MMC_MODE_4BIT | MMC_MODE_1BIT, .tuning = MMC_CMD_SEND_TUNING_BLOCK }, +#endif { .mode = UHS_SDR50, .widths = MMC_MODE_4BIT | MMC_MODE_1BIT, @@ -1554,14 +1594,17 @@ static const struct mode_width_tuning sd_modes_by_pref[] = { .mode = UHS_SDR25, .widths = MMC_MODE_4BIT | MMC_MODE_1BIT, }, +#endif { .mode = SD_HS, .widths = MMC_MODE_4BIT | MMC_MODE_1BIT, }, +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) { .mode = UHS_SDR12, .widths = MMC_MODE_4BIT | MMC_MODE_1BIT, }, +#endif { .mode = SD_LEGACY, .widths = MMC_MODE_4BIT | MMC_MODE_1BIT, @@ -1579,7 +1622,11 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps) int err; uint widths[] = {MMC_MODE_4BIT, MMC_MODE_1BIT}; const struct mode_width_tuning *mwt; +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) bool uhs_en = (mmc->ocr & OCR_S18R) ? true : false; +#else + bool uhs_en = false; +#endif uint caps; #ifdef DEBUG @@ -1618,6 +1665,7 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps) mmc_select_mode(mmc, mwt->mode); mmc_set_clock(mmc, mmc->tran_speed, false); +#ifdef MMC_SUPPORTS_TUNING /* execute tuning if needed */ if (mwt->tuning && !mmc_host_is_spi(mmc)) { err = mmc_execute_tuning(mmc, @@ -1627,6 +1675,7 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps) goto error; } } +#endif err = sd_read_ssr(mmc); if (!err) @@ -1680,6 +1729,7 @@ static int mmc_read_and_compare_ext_csd(struct mmc *mmc) return -EBADMSG; } +#if CONFIG_IS_ENABLED(MMC_IO_VOLTAGE) static int mmc_set_lowest_voltage(struct mmc *mmc, enum bus_mode mode, uint32_t allowed_mask) { @@ -1716,13 +1766,22 @@ static int mmc_set_lowest_voltage(struct mmc *mmc, enum bus_mode mode, return -ENOTSUPP; } +#else +static inline int mmc_set_lowest_voltage(struct mmc *mmc, enum bus_mode mode, + uint32_t allowed_mask) +{ + return 0; +} +#endif static const struct mode_width_tuning mmc_modes_by_pref[] = { +#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) { .mode = MMC_HS_200, .widths = MMC_MODE_8BIT | MMC_MODE_4BIT, .tuning = MMC_CMD_SEND_TUNING_BLOCK_HS200 }, +#endif { .mode = MMC_DDR_52, .widths = MMC_MODE_8BIT | MMC_MODE_4BIT, @@ -1832,6 +1891,7 @@ static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps) /* configure the bus mode (host) */ mmc_select_mode(mmc, mwt->mode); mmc_set_clock(mmc, mmc->tran_speed, false); +#ifdef MMC_SUPPORTS_TUNING /* execute tuning if needed */ if (mwt->tuning) { @@ -1841,6 +1901,7 @@ static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps) goto error; } } +#endif /* do a transfer to check the configuration */ err = mmc_read_and_compare_ext_csd(mmc); |