X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fmmc%2Fmmc.c;h=1c1527cc747465ae6a2d4ec971595675b233ff7e;hb=da206916a14fc8ab8962763c47673128a29b4b9c;hp=f72b80c70484062e92fe9ff3df6fb8b951f70e61;hpb=5512f5ccf1dc5cec068f8efa1d8ce81f51a988d3;p=platform%2Fkernel%2Fu-boot.git diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index f72b80c..1c1527c 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2008, Freescale Semiconductor, Inc * Andy Fleming * * Based vaguely on the Linux code - * - * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -24,29 +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) @@ -169,6 +147,7 @@ const char *mmc_mode_name(enum bus_mode mode) [MMC_HS_52] = "MMC High Speed (52MHz)", [MMC_DDR_52] = "MMC DDR52 (52MHz)", [MMC_HS_200] = "HS200 (200MHz)", + [MMC_HS_400] = "HS400 (200MHz)", }; if (mode >= MMC_MODES_END) @@ -193,6 +172,7 @@ static uint mmc_mode2freq(struct mmc *mmc, enum bus_mode mode) [UHS_DDR50] = 50000000, [UHS_SDR104] = 208000000, [MMC_HS_200] = 200000000, + [MMC_HS_400] = 200000000, }; if (mode == MMC_LEGACY) @@ -530,7 +510,7 @@ static int mmc_switch_voltage(struct mmc *mmc, int signal_voltage) * During a signal voltage level switch, the clock must be gated * for 5 ms according to the SD spec */ - mmc_set_clock(mmc, mmc->clock, true); + mmc_set_clock(mmc, mmc->clock, MMC_CLK_DISABLE); err = mmc_set_signal_voltage(mmc, signal_voltage); if (err) @@ -538,7 +518,7 @@ static int mmc_switch_voltage(struct mmc *mmc, int signal_voltage) /* Keep clock gated for at least 10 ms, though spec only says 5 ms */ mdelay(10); - mmc_set_clock(mmc, mmc->clock, false); + mmc_set_clock(mmc, mmc->clock, MMC_CLK_ENABLE); /* * Failure to switch is indicated by the card holding @@ -680,7 +660,7 @@ static int mmc_complete_op_cond(struct mmc *mmc) { struct mmc_cmd cmd; int timeout = 1000; - uint start; + ulong start; int err; mmc->op_cond_pending = 0; @@ -744,7 +724,8 @@ static int mmc_send_ext_csd(struct mmc *mmc, u8 *ext_csd) return err; } -int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value) +static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value, + bool send_status) { struct mmc_cmd cmd; int timeout = 1000; @@ -760,20 +741,32 @@ int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value) while (retries > 0) { ret = mmc_send_cmd(mmc, &cmd, NULL); - /* Waiting for the ready status */ - if (!ret) { - ret = mmc_send_status(mmc, timeout); - return ret; + if (ret) { + retries--; + continue; } - retries--; + if (!send_status) { + mdelay(50); + return 0; + } + + /* Waiting for the ready status */ + return mmc_send_status(mmc, timeout); } return ret; } -static int mmc_set_card_speed(struct mmc *mmc, enum bus_mode mode) +int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value) +{ + return __mmc_switch(mmc, set, index, value, true); +} + +#if !CONFIG_IS_ENABLED(MMC_TINY) +static int mmc_set_card_speed(struct mmc *mmc, enum bus_mode mode, + bool hsdowngrade) { int err; int speed_bits; @@ -791,17 +784,37 @@ static int mmc_set_card_speed(struct mmc *mmc, enum bus_mode mode) speed_bits = EXT_CSD_TIMING_HS200; break; #endif +#if CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) + case MMC_HS_400: + speed_bits = EXT_CSD_TIMING_HS400; + break; +#endif case MMC_LEGACY: speed_bits = EXT_CSD_TIMING_LEGACY; break; default: return -EINVAL; } - err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, - speed_bits); + + err = __mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, + speed_bits, !hsdowngrade); if (err) return err; +#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \ + CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) + /* + * In case the eMMC is in HS200/HS400 mode and we are downgrading + * to HS mode, the card clock are still running much faster than + * the supported HS mode clock, so we can not reliably read out + * 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); + } +#endif + if ((mode == MMC_HS) || (mode == MMC_HS_52)) { /* Now check to see that it worked */ err = mmc_send_ext_csd(mmc, test_csd); @@ -837,7 +850,7 @@ static int mmc_get_capabilities(struct mmc *mmc) mmc->card_caps |= MMC_MODE_4BIT | MMC_MODE_8BIT; - cardtype = ext_csd[EXT_CSD_CARD_TYPE] & 0x3f; + cardtype = ext_csd[EXT_CSD_CARD_TYPE]; mmc->cardtype = cardtype; #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) @@ -846,6 +859,12 @@ static int mmc_get_capabilities(struct mmc *mmc) mmc->card_caps |= MMC_MODE_HS200; } #endif +#if CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) + if (cardtype & (EXT_CSD_CARD_TYPE_HS400_1_2V | + EXT_CSD_CARD_TYPE_HS400_1_8V)) { + mmc->card_caps |= MMC_MODE_HS400; + } +#endif if (cardtype & EXT_CSD_CARD_TYPE_52) { if (cardtype & EXT_CSD_CARD_TYPE_DDR_52) mmc->card_caps |= MMC_MODE_DDR_52MHz; @@ -856,6 +875,7 @@ static int mmc_get_capabilities(struct mmc *mmc) return 0; } +#endif static int mmc_set_capacity(struct mmc *mmc, int part_num) { @@ -1155,6 +1175,7 @@ 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; @@ -1175,7 +1196,6 @@ 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; @@ -1296,6 +1316,10 @@ static int sd_set_card_speed(struct mmc *mmc, enum bus_mode mode) ALLOC_CACHE_ALIGN_BUFFER(uint, switch_status, 16); int speed; + /* SD version 1.00 and 1.01 does not support CMD 6 */ + if (mmc->version == SD_VERSION_1_0) + return 0; + switch (mode) { case SD_LEGACY: speed = UHS_SDR12_BUS_SPEED; @@ -1362,6 +1386,7 @@ 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) @@ -1507,6 +1532,8 @@ int mmc_set_clock(struct mmc *mmc, uint clock, bool disable) mmc->clock = clock; mmc->clk_disable = disable; + debug("clock is %s (%dHz)\n", disable ? "disabled" : "enabled", clock); + return mmc_set_ios(mmc); } @@ -1583,6 +1610,7 @@ 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 @@ -1673,7 +1701,8 @@ static int sd_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); + mmc_set_clock(mmc, mmc->tran_speed, + MMC_CLK_ENABLE); #ifdef MMC_SUPPORTS_TUNING /* execute tuning if needed */ @@ -1689,7 +1718,7 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps) #if CONFIG_IS_ENABLED(MMC_WRITE) err = sd_read_ssr(mmc); - if (!err) + if (err) pr_warn("unable to read ssr\n"); #endif if (!err) @@ -1698,7 +1727,8 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps) error: /* revert to a safer bus speed */ mmc_select_mode(mmc, SD_LEGACY); - mmc_set_clock(mmc, mmc->tran_speed, false); + mmc_set_clock(mmc, mmc->tran_speed, + MMC_CLK_ENABLE); } } } @@ -1748,10 +1778,13 @@ static int mmc_set_lowest_voltage(struct mmc *mmc, enum bus_mode mode, u32 card_mask = 0; switch (mode) { + case MMC_HS_400: case MMC_HS_200: - if (mmc->cardtype & EXT_CSD_CARD_TYPE_HS200_1_8V) + if (mmc->cardtype & (EXT_CSD_CARD_TYPE_HS200_1_8V | + EXT_CSD_CARD_TYPE_HS400_1_8V)) card_mask |= MMC_SIGNAL_VOLTAGE_180; - if (mmc->cardtype & EXT_CSD_CARD_TYPE_HS200_1_2V) + if (mmc->cardtype & (EXT_CSD_CARD_TYPE_HS200_1_2V | + EXT_CSD_CARD_TYPE_HS400_1_2V)) card_mask |= MMC_SIGNAL_VOLTAGE_120; break; case MMC_DDR_52: @@ -1787,6 +1820,13 @@ static inline int mmc_set_lowest_voltage(struct mmc *mmc, enum bus_mode mode, #endif static const struct mode_width_tuning mmc_modes_by_pref[] = { +#if CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) + { + .mode = MMC_HS_400, + .widths = MMC_MODE_8BIT, + .tuning = MMC_CMD_SEND_TUNING_BLOCK_HS200 + }, +#endif #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) { .mode = MMC_HS_200, @@ -1830,6 +1870,54 @@ static const struct ext_csd_bus_width { {MMC_MODE_1BIT, false, EXT_CSD_BUS_WIDTH_1}, }; +#if CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) +static int mmc_select_hs400(struct mmc *mmc) +{ + int err; + + /* Set timing to HS200 for tuning */ + err = mmc_set_card_speed(mmc, MMC_HS_200, false); + if (err) + return err; + + /* configure the bus mode (host) */ + mmc_select_mode(mmc, MMC_HS_200); + mmc_set_clock(mmc, mmc->tran_speed, false); + + /* execute tuning if needed */ + err = mmc_execute_tuning(mmc, MMC_CMD_SEND_TUNING_BLOCK_HS200); + if (err) { + debug("tuning failed\n"); + return err; + } + + /* Set back to HS */ + mmc_set_card_speed(mmc, MMC_HS, false); + mmc_set_clock(mmc, mmc_mode2freq(mmc, MMC_HS), false); + + err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, + EXT_CSD_BUS_WIDTH_8 | EXT_CSD_DDR_FLAG); + if (err) + return err; + + err = mmc_set_card_speed(mmc, MMC_HS_400, false); + if (err) + return err; + + mmc_select_mode(mmc, MMC_HS_400); + err = mmc_set_clock(mmc, mmc->tran_speed, false); + if (err) + return err; + + return 0; +} +#else +static int mmc_select_hs400(struct mmc *mmc) +{ + return -ENOTSUPP; +} +#endif + #define for_each_supported_width(caps, ddr, ecbv) \ for (ecbv = ext_csd_bus_width;\ ecbv < ext_csd_bus_width + ARRAY_SIZE(ext_csd_bus_width);\ @@ -1859,7 +1947,19 @@ static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps) return -ENOTSUPP; } - mmc_set_clock(mmc, mmc->legacy_speed, false); +#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \ + CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) + /* + * In case the eMMC is in HS200/HS400 mode, downgrade to HS mode + * before doing anything else, since a transition from either of + * the HS200/HS400 mode directly to legacy mode is not supported. + */ + if (mmc->selected_mode == MMC_HS_200 || + mmc->selected_mode == MMC_HS_400) + mmc_set_card_speed(mmc, MMC_HS, true); + else +#endif + mmc_set_clock(mmc, mmc->legacy_speed, MMC_CLK_ENABLE); for_each_mmc_mode_by_pref(card_caps, mwt) { for_each_supported_width(card_caps & mwt->widths, @@ -1883,37 +1983,49 @@ static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps) goto error; mmc_set_bus_width(mmc, bus_width(ecbw->cap)); - /* configure the bus speed (card) */ - err = mmc_set_card_speed(mmc, mwt->mode); - if (err) - goto error; - - /* - * configure the bus width AND the ddr mode (card) - * The host side will be taken care of in the next step - */ - if (ecbw->ext_csd_bits & EXT_CSD_DDR_FLAG) { - err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, - EXT_CSD_BUS_WIDTH, - ecbw->ext_csd_bits); + if (mwt->mode == MMC_HS_400) { + err = mmc_select_hs400(mmc); + if (err) { + printf("Select HS400 failed %d\n", err); + goto error; + } + } else { + /* configure the bus speed (card) */ + err = mmc_set_card_speed(mmc, mwt->mode, false); if (err) goto error; - } - /* configure the bus mode (host) */ - mmc_select_mode(mmc, mwt->mode); - mmc_set_clock(mmc, mmc->tran_speed, false); + /* + * configure the bus width AND the ddr mode + * (card). The host side will be taken care + * of in the next step + */ + if (ecbw->ext_csd_bits & EXT_CSD_DDR_FLAG) { + err = mmc_switch(mmc, + EXT_CSD_CMD_SET_NORMAL, + EXT_CSD_BUS_WIDTH, + ecbw->ext_csd_bits); + if (err) + goto error; + } + + /* configure the bus mode (host) */ + mmc_select_mode(mmc, mwt->mode); + mmc_set_clock(mmc, mmc->tran_speed, + MMC_CLK_ENABLE); #ifdef MMC_SUPPORTS_TUNING - /* execute tuning if needed */ - if (mwt->tuning) { - err = mmc_execute_tuning(mmc, mwt->tuning); - if (err) { - pr_debug("tuning failed\n"); - goto error; + /* execute tuning if needed */ + if (mwt->tuning) { + err = mmc_execute_tuning(mmc, + mwt->tuning); + if (err) { + pr_debug("tuning failed\n"); + goto error; + } } - } #endif + } /* do a transfer to check the configuration */ err = mmc_read_and_compare_ext_csd(mmc); @@ -1933,6 +2045,11 @@ 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) { @@ -1952,6 +2069,23 @@ 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)) @@ -1968,7 +2102,7 @@ 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; @@ -2107,7 +2241,9 @@ 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; @@ -2296,6 +2432,11 @@ 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) @@ -2307,7 +2448,7 @@ static int mmc_startup(struct mmc *mmc) return err; mmc_select_mode_and_width(mmc, mmc->card_caps); } - +#endif if (err) return err; @@ -2346,7 +2487,8 @@ static int mmc_startup(struct mmc *mmc) bdesc->product[0] = 0; bdesc->revision[0] = 0; #endif -#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBDISK_SUPPORT) + +#if !defined(CONFIG_DM_MMC) && (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBDISK_SUPPORT)) part_init(bdesc); #endif @@ -2427,7 +2569,7 @@ static void mmc_set_initial_state(struct mmc *mmc) mmc_select_mode(mmc, MMC_LEGACY); mmc_set_bus_width(mmc, 1); - mmc_set_clock(mmc, 0, false); + mmc_set_clock(mmc, 0, MMC_CLK_ENABLE); } static int mmc_power_on(struct mmc *mmc) @@ -2447,7 +2589,7 @@ static int mmc_power_on(struct mmc *mmc) static int mmc_power_off(struct mmc *mmc) { - mmc_set_clock(mmc, 0, true); + mmc_set_clock(mmc, 0, MMC_CLK_DISABLE); #if CONFIG_IS_ENABLED(DM_MMC) && CONFIG_IS_ENABLED(DM_REGULATOR) if (mmc->vmmc_supply) { int ret = regulator_set_enable(mmc->vmmc_supply, false); @@ -2476,36 +2618,11 @@ static int mmc_power_cycle(struct mmc *mmc) return mmc_power_on(mmc); } -int mmc_start_init(struct mmc *mmc) +int mmc_get_op_cond(struct mmc *mmc) { - bool no_card; bool uhs_en = supports_uhs(mmc->cfg->host_caps); int err; - /* - * all hosts are capable of 1 bit bus-width and able to use the legacy - * timings. - */ - mmc->host_caps = mmc->cfg->host_caps | MMC_CAP(SD_LEGACY) | - MMC_CAP(MMC_LEGACY) | MMC_MODE_1BIT; - -#if !defined(CONFIG_MMC_BROKEN_CD) - /* we pretend there's no card when init is NULL */ - no_card = mmc_getcd(mmc) == 0; -#else - no_card = 0; -#endif -#if !CONFIG_IS_ENABLED(DM_MMC) - no_card = no_card || (mmc->cfg->ops->init == NULL); -#endif - if (no_card) { - mmc->has_init = 0; -#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) - pr_err("MMC: no card present\n"); -#endif - return -ENOMEDIUM; - } - if (mmc->has_init) return 0; @@ -2582,6 +2699,40 @@ retry: } } + return err; +} + +int mmc_start_init(struct mmc *mmc) +{ + bool no_card; + int err = 0; + + /* + * all hosts are capable of 1 bit bus-width and able to use the legacy + * timings. + */ + mmc->host_caps = mmc->cfg->host_caps | MMC_CAP(SD_LEGACY) | + MMC_CAP(MMC_LEGACY) | MMC_MODE_1BIT; + +#if !defined(CONFIG_MMC_BROKEN_CD) + /* we pretend there's no card when init is NULL */ + no_card = mmc_getcd(mmc) == 0; +#else + no_card = 0; +#endif +#if !CONFIG_IS_ENABLED(DM_MMC) + no_card = no_card || (mmc->cfg->ops->init == NULL); +#endif + if (no_card) { + mmc->has_init = 0; +#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) + pr_err("MMC: no card present\n"); +#endif + return -ENOMEDIUM; + } + + err = mmc_get_op_cond(mmc); + if (!err) mmc->init_in_progress = 1; @@ -2608,7 +2759,7 @@ static int mmc_complete_init(struct mmc *mmc) int mmc_init(struct mmc *mmc) { int err = 0; - __maybe_unused unsigned start; + __maybe_unused ulong start; #if CONFIG_IS_ENABLED(DM_MMC) struct mmc_uclass_priv *upriv = dev_get_uclass_priv(mmc->dev); @@ -2630,6 +2781,32 @@ int mmc_init(struct mmc *mmc) return err; } +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || \ + CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \ + CONFIG_IS_ENABLED(MMC_HS400_SUPPORT) +int mmc_deinit(struct mmc *mmc) +{ + u32 caps_filtered; + + if (!mmc->has_init) + return 0; + + if (IS_SD(mmc)) { + caps_filtered = mmc->card_caps & + ~(MMC_CAP(UHS_SDR12) | MMC_CAP(UHS_SDR25) | + MMC_CAP(UHS_SDR50) | MMC_CAP(UHS_DDR50) | + MMC_CAP(UHS_SDR104)); + + return sd_select_mode_and_width(mmc, caps_filtered); + } else { + caps_filtered = mmc->card_caps & + ~(MMC_CAP(MMC_HS_200) | MMC_CAP(MMC_HS_400)); + + return mmc_select_mode_and_width(mmc, caps_filtered); + } +} +#endif + int mmc_set_dsr(struct mmc *mmc, u16 val) { mmc->dsr = val;