#include <div64.h>
#include "mmc_private.h"
-static const unsigned int sd_au_size[] = {
- 0, SZ_16K / 512, SZ_32K / 512,
- SZ_64K / 512, SZ_128K / 512, SZ_256K / 512,
- SZ_512K / 512, SZ_1M / 512, SZ_2M / 512,
- SZ_4M / 512, SZ_8M / 512, (SZ_8M + SZ_4M) / 512,
- SZ_16M / 512, (SZ_16M + SZ_8M) / 512, SZ_32M / 512, SZ_64M / 512,
-};
-
static int mmc_set_signal_voltage(struct mmc *mmc, uint signal_voltage);
static int mmc_power_cycle(struct mmc *mmc);
static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps);
static uint mmc_mode2freq(struct mmc *mmc, enum bus_mode mode)
{
static const int freqs[] = {
+ [MMC_LEGACY] = 25000000,
[SD_LEGACY] = 25000000,
[MMC_HS] = 26000000,
[SD_HS] = 50000000,
-#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT)
+ [MMC_HS_52] = 52000000,
+ [MMC_DDR_52] = 52000000,
[UHS_SDR12] = 25000000,
[UHS_SDR25] = 50000000,
[UHS_SDR50] = 100000000,
[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)
mmc->selected_mode = mode;
mmc->tran_speed = mmc_mode2freq(mmc, mode);
mmc->ddr_mode = mmc_is_mode_ddr(mode);
- debug("selecting mode %s (freq : %d MHz)\n", mmc_mode_name(mode),
- mmc->tran_speed / 1000000);
+ pr_debug("selecting mode %s (freq : %d MHz)\n", mmc_mode_name(mode),
+ mmc->tran_speed / 1000000);
return 0;
}
}
if (mmc_set_blocklen(mmc, mmc->read_bl_len)) {
- debug("%s: Failed to set blocklen\n", __func__);
+ pr_debug("%s: Failed to set blocklen\n", __func__);
return 0;
}
cur = (blocks_todo > mmc->cfg->b_max) ?
mmc->cfg->b_max : blocks_todo;
if (mmc_read_blocks(mmc, dst, start, cur) != cur) {
- debug("%s: Failed to read blocks\n", __func__);
+ pr_debug("%s: Failed to read blocks\n", __func__);
return 0;
}
blocks_todo -= cur;
forbidden = MMC_CAP(MMC_HS_200);
if (MMC_CAP(mmc->selected_mode) & forbidden) {
- debug("selected mode (%s) is forbidden for part %d\n",
- mmc_mode_name(mmc->selected_mode), part_num);
+ pr_debug("selected mode (%s) is forbidden for part %d\n",
+ mmc_mode_name(mmc->selected_mode), part_num);
change = true;
} else if (mmc->selected_mode != mmc->best_mode) {
- debug("selected mode is not optimal\n");
+ pr_debug("selected mode is not optimal\n");
change = true;
}
if (err)
return err;
- if ((__be32_to_cpu(switch_status[4]) >> 24) != speed)
+ if (((__be32_to_cpu(switch_status[4]) >> 24) & 0xF) != speed)
return -ENOTSUPP;
return 0;
return 0;
}
+#if CONFIG_IS_ENABLED(MMC_WRITE)
static int sd_read_ssr(struct mmc *mmc)
{
+ static const unsigned int sd_au_size[] = {
+ 0, SZ_16K / 512, SZ_32K / 512,
+ SZ_64K / 512, SZ_128K / 512, SZ_256K / 512,
+ SZ_512K / 512, SZ_1M / 512, SZ_2M / 512,
+ SZ_4M / 512, SZ_8M / 512, (SZ_8M + SZ_4M) / 512,
+ SZ_16M / 512, (SZ_16M + SZ_8M) / 512, SZ_32M / 512,
+ SZ_64M / 512,
+ };
int err, i;
struct mmc_cmd cmd;
ALLOC_CACHE_ALIGN_BUFFER(uint, ssr, 16);
mmc->ssr.erase_offset = eo * 1000;
}
} else {
- debug("Invalid Allocation Unit Size.\n");
+ pr_debug("Invalid Allocation Unit Size.\n");
}
return 0;
}
-
+#endif
/* frequency bases */
/* divided by 10 to be nice to platforms without floating point */
static const int fbase[] = {
int mmc_set_clock(struct mmc *mmc, uint clock, bool disable)
{
- if (clock > mmc->cfg->f_max)
- clock = mmc->cfg->f_max;
+ if (!disable) {
+ if (clock > mmc->cfg->f_max)
+ clock = mmc->cfg->f_max;
- if (clock < mmc->cfg->f_min)
- clock = mmc->cfg->f_min;
+ if (clock < mmc->cfg->f_min)
+ clock = mmc->cfg->f_min;
+ }
mmc->clock = clock;
mmc->clk_disable = disable;
{
enum bus_mode mode;
- printf("%s: widths [", text);
+ pr_debug("%s: widths [", text);
if (caps & MMC_MODE_8BIT)
- printf("8, ");
+ pr_debug("8, ");
if (caps & MMC_MODE_4BIT)
- printf("4, ");
+ pr_debug("4, ");
if (caps & MMC_MODE_1BIT)
- printf("1, ");
- printf("\b\b] modes [");
+ pr_debug("1, ");
+ pr_debug("\b\b] modes [");
for (mode = MMC_LEGACY; mode < MMC_MODES_END; mode++)
if (MMC_CAP(mode) & caps)
- printf("%s, ", mmc_mode_name(mode));
- printf("\b\b]\n");
+ pr_debug("%s, ", mmc_mode_name(mode));
+ pr_debug("\b\b]\n");
}
#endif
mmc->signal_voltage = signal_voltage;
err = mmc_set_ios(mmc);
if (err)
- debug("unable to set voltage (err %d)\n", err);
+ pr_debug("unable to set voltage (err %d)\n", err);
return err;
}
for (w = widths; w < widths + ARRAY_SIZE(widths); w++) {
if (*w & caps & mwt->widths) {
- debug("trying mode %s width %d (at %d MHz)\n",
- mmc_mode_name(mwt->mode),
- bus_width(*w),
- mmc_mode2freq(mmc, mwt->mode) / 1000000);
+ pr_debug("trying mode %s width %d (at %d MHz)\n",
+ mmc_mode_name(mwt->mode),
+ bus_width(*w),
+ mmc_mode2freq(mmc, mwt->mode) / 1000000);
/* configure the bus width (card + host) */
err = sd_select_bus_width(mmc, bus_width(*w));
err = mmc_execute_tuning(mmc,
mwt->tuning);
if (err) {
- debug("tuning failed\n");
+ pr_debug("tuning failed\n");
goto error;
}
}
#endif
+#if CONFIG_IS_ENABLED(MMC_WRITE)
err = sd_read_ssr(mmc);
+ if (!err)
+ pr_warn("unable to read ssr\n");
+#endif
if (!err)
return 0;
- pr_warn("bad ssr\n");
-
error:
/* revert to a safer bus speed */
mmc_select_mode(mmc, SD_LEGACY);
}
}
- printf("unable to select a mode\n");
+ pr_err("unable to select a mode\n");
return -ENOTSUPP;
}
return 0;
if (!mmc->ext_csd) {
- debug("No ext_csd found!\n"); /* this should enver happen */
+ pr_debug("No ext_csd found!\n"); /* this should enver happen */
return -ENOTSUPP;
}
for_each_supported_width(card_caps & mwt->widths,
mmc_is_mode_ddr(mwt->mode), ecbw) {
enum mmc_voltage old_voltage;
- debug("trying mode %s width %d (at %d MHz)\n",
- mmc_mode_name(mwt->mode),
- bus_width(ecbw->cap),
- mmc_mode2freq(mmc, mwt->mode) / 1000000);
+ pr_debug("trying mode %s width %d (at %d MHz)\n",
+ mmc_mode_name(mwt->mode),
+ bus_width(ecbw->cap),
+ mmc_mode2freq(mmc, mwt->mode) / 1000000);
old_voltage = mmc->signal_voltage;
err = mmc_set_lowest_voltage(mmc, mwt->mode,
MMC_ALL_SIGNAL_VOLTAGE);
if (mwt->tuning) {
err = mmc_execute_tuning(mmc, mwt->tuning);
if (err) {
- debug("tuning failed\n");
+ pr_debug("tuning failed\n");
goto error;
}
}
MMC_VERSION_4_1,
MMC_VERSION_4_2,
MMC_VERSION_4_3,
+ MMC_VERSION_4_4,
MMC_VERSION_4_41,
MMC_VERSION_4_5,
MMC_VERSION_5_0,
mmc->capacity_gp[i] <<= 19;
}
+#ifndef CONFIG_SPL_BUILD
if (part_completed) {
mmc->enh_user_size =
(ext_csd[EXT_CSD_ENH_SIZE_MULT + 2] << 16) +
if (mmc->high_capacity)
mmc->enh_user_start <<= 9;
}
+#endif
/*
* Host needs to enable ERASE_GRP_DEF bit if device is
}
if (ext_csd[EXT_CSD_ERASE_GROUP_DEF] & 0x01) {
+#if CONFIG_IS_ENABLED(MMC_WRITE)
/* Read out group size from ext_csd */
mmc->erase_grp_size =
ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * 1024;
+#endif
/*
* if high capacity and partition setting completed
* SEC_COUNT is valid even if it is smaller than 2 GiB
capacity *= MMC_MAX_BLOCK_LEN;
mmc->capacity_user = capacity;
}
- } else {
+ }
+#if CONFIG_IS_ENABLED(MMC_WRITE)
+ else {
/* Calculate the group size from the csd value. */
int erase_gsz, erase_gmul;
mmc->erase_grp_size = (erase_gsz + 1)
* (erase_gmul + 1);
}
-
+#endif
+#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
mmc->hc_wp_grp_size = 1024
* ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]
* ext_csd[EXT_CSD_HC_WP_GRP_SIZE];
+#endif
mmc->wr_rel_set = ext_csd[EXT_CSD_WR_REL_SET];
mmc->dsr_imp = ((cmd.response[1] >> 12) & 0x1);
mmc->read_bl_len = 1 << ((cmd.response[1] >> 16) & 0xf);
+#if CONFIG_IS_ENABLED(MMC_WRITE)
if (IS_SD(mmc))
mmc->write_bl_len = mmc->read_bl_len;
else
mmc->write_bl_len = 1 << ((cmd.response[3] >> 22) & 0xf);
+#endif
if (mmc->high_capacity) {
csize = (mmc->csd[1] & 0x3f) << 16
if (mmc->read_bl_len > MMC_MAX_BLOCK_LEN)
mmc->read_bl_len = MMC_MAX_BLOCK_LEN;
+#if CONFIG_IS_ENABLED(MMC_WRITE)
if (mmc->write_bl_len > MMC_MAX_BLOCK_LEN)
mmc->write_bl_len = MMC_MAX_BLOCK_LEN;
+#endif
if ((mmc->dsr_imp) && (0xffffffff != mmc->dsr)) {
cmd.cmdidx = MMC_CMD_SET_DSR;
/*
* For SD, its erase group is always one sector
*/
+#if CONFIG_IS_ENABLED(MMC_WRITE)
mmc->erase_grp_size = 1;
+#endif
mmc->part_config = MMCPART_NOAVAILABLE;
err = mmc_startup_v4(mmc);
/* Fix the block length for DDR mode */
if (mmc->ddr_mode) {
mmc->read_bl_len = MMC_MAX_BLOCK_LEN;
+#if CONFIG_IS_ENABLED(MMC_WRITE)
mmc->write_bl_len = MMC_MAX_BLOCK_LEN;
+#endif
}
/* fill in device description */
ret = device_get_supply_regulator(mmc->dev, "vmmc-supply",
&mmc->vmmc_supply);
if (ret)
- debug("%s: No vmmc supply\n", mmc->dev->name);
+ pr_debug("%s: No vmmc supply\n", mmc->dev->name);
ret = device_get_supply_regulator(mmc->dev, "vqmmc-supply",
&mmc->vqmmc_supply);
if (ret)
- debug("%s: No vqmmc supply\n", mmc->dev->name);
+ pr_debug("%s: No vqmmc supply\n", mmc->dev->name);
#endif
#else /* !CONFIG_DM_MMC */
/*
static int mmc_power_off(struct mmc *mmc)
{
- mmc_set_clock(mmc, 1, true);
+ mmc_set_clock(mmc, 0, true);
#if CONFIG_IS_ENABLED(DM_MMC) && CONFIG_IS_ENABLED(DM_REGULATOR)
if (mmc->vmmc_supply) {
int ret = regulator_set_enable(mmc->vmmc_supply, false);
if (ret) {
- debug("Error disabling VMMC supply\n");
+ pr_debug("Error disabling VMMC supply\n");
return ret;
}
}
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)
- printf("MMC: no card present\n");
+ pr_err("MMC: no card present\n");
#endif
return -ENOMEDIUM;
}
* to use the UHS modes, because we wouldn't be able to
* recover from an error during the UHS initialization.
*/
- debug("Unable to do a full power cycle. Disabling the UHS modes for safety\n");
+ pr_debug("Unable to do a full power cycle. Disabling the UHS modes for safety\n");
uhs_en = false;
mmc->host_caps &= ~UHS_CAPS;
err = mmc_power_on(mmc);
if (!err)
err = mmc_complete_init(mmc);
if (err)
- printf("%s: %d, time %lu\n", __func__, err, get_timer(start));
+ pr_info("%s: %d, time %lu\n", __func__, err, get_timer(start));
return err;
}
mmc->preinit = preinit;
}
-#if CONFIG_IS_ENABLED(DM_MMC) && defined(CONFIG_SPL_BUILD)
-static int mmc_probe(bd_t *bis)
-{
- return 0;
-}
-#elif CONFIG_IS_ENABLED(DM_MMC)
+#if CONFIG_IS_ENABLED(DM_MMC)
static int mmc_probe(bd_t *bis)
{
int ret, i;
projects / people / ms / u-boot.git / blobdiff