#include <config.h>
#include <common.h>
+#include <blk.h>
#include <command.h>
#include <dm.h>
+#include <log.h>
#include <dm/device-internal.h>
#include <errno.h>
#include <mmc.h>
#include <part.h>
+#include <linux/delay.h>
#include <power/regulator.h>
#include <malloc.h>
#include <memalign.h>
#define DEFAULT_CMD6_TIMEOUT_MS 500
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);
-#endif
#if !CONFIG_IS_ENABLED(DM_MMC)
-static int mmc_wait_dat0(struct mmc *mmc, int state, int timeout)
+static int mmc_wait_dat0(struct mmc *mmc, int state, int timeout_us)
{
return -ENOSYS;
}
{
static const char *const names[] = {
[MMC_LEGACY] = "MMC legacy",
- [SD_LEGACY] = "SD Legacy",
[MMC_HS] = "MMC High Speed (26MHz)",
[SD_HS] = "SD High Speed (50MHz)",
[UHS_SDR12] = "UHS SDR12 (25MHz)",
{
static const int freqs[] = {
[MMC_LEGACY] = 25000000,
- [SD_LEGACY] = 25000000,
[MMC_HS] = 26000000,
[SD_HS] = 50000000,
[MMC_HS_52] = 52000000,
return -ECOMM;
}
-int mmc_poll_for_busy(struct mmc *mmc, int timeout)
+int mmc_poll_for_busy(struct mmc *mmc, int timeout_ms)
{
unsigned int status;
int err;
- err = mmc_wait_dat0(mmc, 1, timeout);
+ err = mmc_wait_dat0(mmc, 1, timeout_ms * 1000);
if (err != -ENOSYS)
return err;
return -ECOMM;
}
- if (timeout-- <= 0)
+ if (timeout_ms-- <= 0)
break;
udelay(1000);
}
- if (timeout <= 0) {
+ if (timeout_ms <= 0) {
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
pr_err("Timeout waiting card ready\n");
#endif
return blkcnt;
}
+#if !CONFIG_IS_ENABLED(DM_MMC)
+static int mmc_get_b_max(struct mmc *mmc, void *dst, lbaint_t blkcnt)
+{
+ if (mmc->cfg->ops->get_b_max)
+ return mmc->cfg->ops->get_b_max(mmc, dst, blkcnt);
+ else
+ return mmc->cfg->b_max;
+}
+#endif
+
#if CONFIG_IS_ENABLED(BLK)
ulong mmc_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt, void *dst)
#else
int dev_num = block_dev->devnum;
int err;
lbaint_t cur, blocks_todo = blkcnt;
+ uint b_max;
if (blkcnt == 0)
return 0;
return 0;
}
+ b_max = mmc_get_b_max(mmc, dst, blkcnt);
+
do {
- cur = (blocks_todo > mmc->cfg->b_max) ?
- mmc->cfg->b_max : blocks_todo;
+ cur = (blocks_todo > b_max) ? b_max : blocks_todo;
if (mmc_read_blocks(mmc, dst, start, cur) != cur) {
pr_debug("%s: Failed to read blocks\n", __func__);
return 0;
}
-static int mmc_send_ext_csd(struct mmc *mmc, u8 *ext_csd)
+int mmc_send_ext_csd(struct mmc *mmc, u8 *ext_csd)
{
struct mmc_cmd cmd;
struct mmc_data data;
{
unsigned int status, start;
struct mmc_cmd cmd;
- int timeout = DEFAULT_CMD6_TIMEOUT_MS;
+ int timeout_ms = DEFAULT_CMD6_TIMEOUT_MS;
bool is_part_switch = (set == EXT_CSD_CMD_SET_NORMAL) &&
(index == EXT_CSD_PART_CONF);
int retries = 3;
int ret;
if (mmc->gen_cmd6_time)
- timeout = mmc->gen_cmd6_time * 10;
+ timeout_ms = mmc->gen_cmd6_time * 10;
if (is_part_switch && mmc->part_switch_time)
- timeout = mmc->part_switch_time * 10;
+ timeout_ms = mmc->part_switch_time * 10;
cmd.cmdidx = MMC_CMD_SWITCH;
cmd.resp_type = MMC_RSP_R1b;
start = get_timer(0);
/* poll dat0 for rdy/buys status */
- ret = mmc_wait_dat0(mmc, 1, timeout);
+ ret = mmc_wait_dat0(mmc, 1, timeout_ms * 1000);
if (ret && ret != -ENOSYS)
return ret;
* stated timeout to be sufficient.
*/
if (ret == -ENOSYS && !send_status)
- mdelay(timeout);
+ mdelay(timeout_ms);
/* Finally wait until the card is ready or indicates a failure
* to switch. It doesn't hurt to use CMD13 here even if send_status
- * is false, because by now (after 'timeout' ms) the bus should be
+ * is false, because by now (after 'timeout_ms' ms) the bus should be
* reliable.
*/
do {
if (!ret && (status & MMC_STATUS_RDY_FOR_DATA))
return 0;
udelay(100);
- } while (get_timer(start) < timeout);
+ } while (get_timer(start) < timeout_ms);
return -ETIMEDOUT;
}
return __mmc_switch(mmc, set, index, value, true);
}
+int mmc_boot_wp(struct mmc *mmc)
+{
+ return mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BOOT_WP, 1);
+}
+
#if !CONFIG_IS_ENABLED(MMC_TINY)
static int mmc_set_card_speed(struct mmc *mmc, enum bus_mode mode,
bool hsdowngrade)
ext_csd[EXT_CSD_ERASE_GROUP_DEF] = 1;
+#if CONFIG_IS_ENABLED(MMC_WRITE)
/* update erase group size to be high-capacity */
mmc->erase_grp_size =
ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * 1024;
+#endif
}
u32 sd3_bus_mode;
#endif
- mmc->card_caps = MMC_MODE_1BIT | MMC_CAP(SD_LEGACY);
+ mmc->card_caps = MMC_MODE_1BIT | MMC_CAP(MMC_LEGACY);
if (mmc_host_is_spi(mmc))
return 0;
return 0;
switch (mode) {
- case SD_LEGACY:
+ case MMC_LEGACY:
speed = UHS_SDR12_BUS_SPEED;
break;
case SD_HS:
cmd.cmdarg = mmc->rca << 16;
err = mmc_send_cmd(mmc, &cmd, NULL);
+#ifdef CONFIG_MMC_QUIRKS
+ if (err && (mmc->quirks & MMC_QUIRK_RETRY_APP_CMD)) {
+ int retries = 4;
+ /*
+ * It has been seen that APP_CMD may fail on the first
+ * attempt, let's try a few more times
+ */
+ do {
+ err = mmc_send_cmd(mmc, &cmd, NULL);
+ if (!err)
+ break;
+ } while (retries--);
+ }
+#endif
if (err)
return err;
return ret;
}
+
+static int mmc_host_power_cycle(struct mmc *mmc)
+{
+ int ret = 0;
+
+ if (mmc->cfg->ops->host_power_cycle)
+ ret = mmc->cfg->ops->host_power_cycle(mmc);
+
+ return ret;
+}
#endif
int mmc_set_clock(struct mmc *mmc, uint clock, bool disable)
},
#endif
{
- .mode = SD_LEGACY,
+ .mode = MMC_LEGACY,
.widths = MMC_MODE_4BIT | MMC_MODE_1BIT,
}
};
if (mmc_host_is_spi(mmc)) {
mmc_set_bus_width(mmc, 1);
- mmc_select_mode(mmc, SD_LEGACY);
+ mmc_select_mode(mmc, MMC_LEGACY);
mmc_set_clock(mmc, mmc->tran_speed, MMC_CLK_ENABLE);
return 0;
}
error:
/* revert to a safer bus speed */
- mmc_select_mode(mmc, SD_LEGACY);
+ mmc_select_mode(mmc, MMC_LEGACY);
mmc_set_clock(mmc, mmc->tran_speed,
MMC_CLK_ENABLE);
}
#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_select_mode(mmc, MMC_LEGACY);
mmc_set_bus_width(mmc, 1);
#else
if (IS_SD(mmc)) {
err = mmc_get_capabilities(mmc);
if (err)
return err;
- mmc_select_mode_and_width(mmc, mmc->card_caps);
+ err = mmc_select_mode_and_width(mmc, mmc->card_caps);
}
#endif
if (err)
bdesc->lba = lldiv(mmc->capacity, mmc->read_bl_len);
#if !defined(CONFIG_SPL_BUILD) || \
(defined(CONFIG_SPL_LIBCOMMON_SUPPORT) && \
- !defined(CONFIG_USE_TINY_PRINTF))
+ !CONFIG_IS_ENABLED(USE_TINY_PRINTF))
sprintf(bdesc->vendor, "Man %06x Snr %04x%04x",
mmc->cid[0] >> 24, (mmc->cid[2] & 0xffff),
(mmc->cid[3] >> 16) & 0xffff);
ret = mmc_power_off(mmc);
if (ret)
return ret;
+
+ ret = mmc_host_power_cycle(mmc);
+ if (ret)
+ return ret;
+
/*
* SD spec recommends at least 1ms of delay. Let's wait for 2ms
* to be on the safer side.
#ifdef CONFIG_MMC_QUIRKS
mmc->quirks = MMC_QUIRK_RETRY_SET_BLOCKLEN |
- MMC_QUIRK_RETRY_SEND_CID;
+ MMC_QUIRK_RETRY_SEND_CID |
+ MMC_QUIRK_RETRY_APP_CMD;
#endif
err = mmc_power_cycle(mmc);
* 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->host_caps = mmc->cfg->host_caps | MMC_CAP(MMC_LEGACY) |
MMC_CAP(MMC_LEGACY) | MMC_MODE_1BIT;
-
+#if CONFIG_IS_ENABLED(DM_MMC)
+ mmc_deferred_probe(mmc);
+#endif
#if !defined(CONFIG_MMC_BROKEN_CD)
no_card = mmc_getcd(mmc) == 0;
#else
return 0;
}
+#if CONFIG_IS_ENABLED(DM_MMC)
+int mmc_init_device(int num)
+{
+ struct udevice *dev;
+ struct mmc *m;
+ int ret;
+
+ ret = uclass_get_device(UCLASS_MMC, num, &dev);
+ if (ret)
+ return ret;
+
+ m = mmc_get_mmc_dev(dev);
+ if (!m)
+ return 0;
+#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
+ mmc_set_preinit(m, 1);
+#endif
+ if (m->preinit)
+ mmc_start_init(m);
+
+ return 0;
+}
+#endif
+
#ifdef CONFIG_CMD_BKOPS_ENABLE
int mmc_set_bkops_enable(struct mmc *mmc)
{
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