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path: root/drivers/mmc/mmc.c
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Diffstat (limited to 'drivers/mmc/mmc.c')
-rw-r--r--drivers/mmc/mmc.c205
1 files changed, 30 insertions, 175 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 55026759e..84dae4d8b 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -15,6 +15,7 @@
#include <malloc.h>
#include <linux/list.h>
#include <div64.h>
+#include "mmc_private.h"
/* Set block count limit because of 16 bit register limit on some hardware*/
#ifndef CONFIG_SYS_MMC_MAX_BLK_COUNT
@@ -52,14 +53,10 @@ int __board_mmc_getcd(struct mmc *mmc) {
int board_mmc_getcd(struct mmc *mmc)__attribute__((weak,
alias("__board_mmc_getcd")));
-static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
- struct mmc_data *data)
+int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
{
- struct mmc_data backup;
int ret;
- memset(&backup, 0, sizeof(backup));
-
#ifdef CONFIG_MMC_TRACE
int i;
u8 *ptr;
@@ -114,7 +111,7 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
return ret;
}
-static int mmc_send_status(struct mmc *mmc, int timeout)
+int mmc_send_status(struct mmc *mmc, int timeout)
{
struct mmc_cmd cmd;
int err, retries = 5;
@@ -135,8 +132,10 @@ static int mmc_send_status(struct mmc *mmc, int timeout)
MMC_STATE_PRG)
break;
else if (cmd.response[0] & MMC_STATUS_MASK) {
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
printf("Status Error: 0x%08X\n",
cmd.response[0]);
+#endif
return COMM_ERR;
}
} else if (--retries < 0)
@@ -151,14 +150,16 @@ static int mmc_send_status(struct mmc *mmc, int timeout)
printf("CURR STATE:%d\n", status);
#endif
if (timeout <= 0) {
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
printf("Timeout waiting card ready\n");
+#endif
return TIMEOUT;
}
return 0;
}
-static int mmc_set_blocklen(struct mmc *mmc, int len)
+int mmc_set_blocklen(struct mmc *mmc, int len)
{
struct mmc_cmd cmd;
@@ -181,179 +182,13 @@ struct mmc *find_mmc_device(int dev_num)
return m;
}
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
printf("MMC Device %d not found\n", dev_num);
+#endif
return NULL;
}
-static ulong mmc_erase_t(struct mmc *mmc, ulong start, lbaint_t blkcnt)
-{
- struct mmc_cmd cmd;
- ulong end;
- int err, start_cmd, end_cmd;
-
- if (mmc->high_capacity)
- end = start + blkcnt - 1;
- else {
- end = (start + blkcnt - 1) * mmc->write_bl_len;
- start *= mmc->write_bl_len;
- }
-
- if (IS_SD(mmc)) {
- start_cmd = SD_CMD_ERASE_WR_BLK_START;
- end_cmd = SD_CMD_ERASE_WR_BLK_END;
- } else {
- start_cmd = MMC_CMD_ERASE_GROUP_START;
- end_cmd = MMC_CMD_ERASE_GROUP_END;
- }
-
- cmd.cmdidx = start_cmd;
- cmd.cmdarg = start;
- cmd.resp_type = MMC_RSP_R1;
-
- err = mmc_send_cmd(mmc, &cmd, NULL);
- if (err)
- goto err_out;
-
- cmd.cmdidx = end_cmd;
- cmd.cmdarg = end;
-
- err = mmc_send_cmd(mmc, &cmd, NULL);
- if (err)
- goto err_out;
-
- cmd.cmdidx = MMC_CMD_ERASE;
- cmd.cmdarg = SECURE_ERASE;
- cmd.resp_type = MMC_RSP_R1b;
-
- err = mmc_send_cmd(mmc, &cmd, NULL);
- if (err)
- goto err_out;
-
- return 0;
-
-err_out:
- puts("mmc erase failed\n");
- return err;
-}
-
-static unsigned long
-mmc_berase(int dev_num, lbaint_t start, lbaint_t blkcnt)
-{
- int err = 0;
- struct mmc *mmc = find_mmc_device(dev_num);
- lbaint_t blk = 0, blk_r = 0;
- int timeout = 1000;
-
- if (!mmc)
- return -1;
-
- if ((start % mmc->erase_grp_size) || (blkcnt % mmc->erase_grp_size))
- printf("\n\nCaution! Your devices Erase group is 0x%x\n"
- "The erase range would be change to "
- "0x" LBAF "~0x" LBAF "\n\n",
- mmc->erase_grp_size, start & ~(mmc->erase_grp_size - 1),
- ((start + blkcnt + mmc->erase_grp_size)
- & ~(mmc->erase_grp_size - 1)) - 1);
-
- while (blk < blkcnt) {
- blk_r = ((blkcnt - blk) > mmc->erase_grp_size) ?
- mmc->erase_grp_size : (blkcnt - blk);
- err = mmc_erase_t(mmc, start + blk, blk_r);
- if (err)
- break;
-
- blk += blk_r;
-
- /* Waiting for the ready status */
- if (mmc_send_status(mmc, timeout))
- return 0;
- }
-
- return blk;
-}
-
-static ulong
-mmc_write_blocks(struct mmc *mmc, lbaint_t start, lbaint_t blkcnt, const void*src)
-{
- struct mmc_cmd cmd;
- struct mmc_data data;
- int timeout = 1000;
-
- if ((start + blkcnt) > mmc->block_dev.lba) {
- printf("MMC: block number 0x" LBAF " exceeds max(0x" LBAF ")\n",
- start + blkcnt, mmc->block_dev.lba);
- return 0;
- }
-
- if (blkcnt == 0)
- return 0;
- else if (blkcnt == 1)
- cmd.cmdidx = MMC_CMD_WRITE_SINGLE_BLOCK;
- else
- cmd.cmdidx = MMC_CMD_WRITE_MULTIPLE_BLOCK;
-
- if (mmc->high_capacity)
- cmd.cmdarg = start;
- else
- cmd.cmdarg = start * mmc->write_bl_len;
-
- cmd.resp_type = MMC_RSP_R1;
-
- data.src = src;
- data.blocks = blkcnt;
- data.blocksize = mmc->write_bl_len;
- data.flags = MMC_DATA_WRITE;
-
- if (mmc_send_cmd(mmc, &cmd, &data)) {
- printf("mmc write failed\n");
- return 0;
- }
-
- /* SPI multiblock writes terminate using a special
- * token, not a STOP_TRANSMISSION request.
- */
- if (!mmc_host_is_spi(mmc) && blkcnt > 1) {
- cmd.cmdidx = MMC_CMD_STOP_TRANSMISSION;
- cmd.cmdarg = 0;
- cmd.resp_type = MMC_RSP_R1b;
- if (mmc_send_cmd(mmc, &cmd, NULL)) {
- printf("mmc fail to send stop cmd\n");
- return 0;
- }
- }
-
- /* Waiting for the ready status */
- if (mmc_send_status(mmc, timeout))
- return 0;
-
- return blkcnt;
-}
-
-static ulong
-mmc_bwrite(int dev_num, lbaint_t start, lbaint_t blkcnt, const void*src)
-{
- lbaint_t cur, blocks_todo = blkcnt;
-
- struct mmc *mmc = find_mmc_device(dev_num);
- if (!mmc)
- return 0;
-
- if (mmc_set_blocklen(mmc, mmc->write_bl_len))
- return 0;
-
- do {
- cur = (blocks_todo > mmc->b_max) ? mmc->b_max : blocks_todo;
- if(mmc_write_blocks(mmc, start, cur, src) != cur)
- return 0;
- blocks_todo -= cur;
- start += cur;
- src += cur * mmc->write_bl_len;
- } while (blocks_todo > 0);
-
- return blkcnt;
-}
-
static int mmc_read_blocks(struct mmc *mmc, void *dst, lbaint_t start,
lbaint_t blkcnt)
{
@@ -385,7 +220,9 @@ static int mmc_read_blocks(struct mmc *mmc, void *dst, lbaint_t start,
cmd.cmdarg = 0;
cmd.resp_type = MMC_RSP_R1b;
if (mmc_send_cmd(mmc, &cmd, NULL)) {
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
printf("mmc fail to send stop cmd\n");
+#endif
return 0;
}
}
@@ -405,8 +242,10 @@ static ulong mmc_bread(int dev_num, lbaint_t start, lbaint_t blkcnt, void *dst)
return 0;
if ((start + blkcnt) > mmc->block_dev.lba) {
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
printf("MMC: block number 0x" LBAF " exceeds max(0x" LBAF ")\n",
start + blkcnt, mmc->block_dev.lba);
+#endif
return 0;
}
@@ -1268,6 +1107,7 @@ static int mmc_startup(struct mmc *mmc)
mmc->block_dev.blksz = mmc->read_bl_len;
mmc->block_dev.log2blksz = LOG2(mmc->block_dev.blksz);
mmc->block_dev.lba = lldiv(mmc->capacity, mmc->read_bl_len);
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
sprintf(mmc->block_dev.vendor, "Man %06x Snr %04x%04x",
mmc->cid[0] >> 24, (mmc->cid[2] & 0xffff),
(mmc->cid[3] >> 16) & 0xffff);
@@ -1277,6 +1117,11 @@ static int mmc_startup(struct mmc *mmc)
(mmc->cid[2] >> 24) & 0xff);
sprintf(mmc->block_dev.revision, "%d.%d", (mmc->cid[2] >> 20) & 0xf,
(mmc->cid[2] >> 16) & 0xf);
+#else
+ mmc->block_dev.vendor[0] = 0;
+ mmc->block_dev.product[0] = 0;
+ mmc->block_dev.revision[0] = 0;
+#endif
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBDISK_SUPPORT)
init_part(&mmc->block_dev);
#endif
@@ -1343,7 +1188,9 @@ int mmc_start_init(struct mmc *mmc)
if (mmc_getcd(mmc) == 0) {
mmc->has_init = 0;
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
printf("MMC: no card present\n");
+#endif
return NO_CARD_ERR;
}
@@ -1378,7 +1225,9 @@ int mmc_start_init(struct mmc *mmc)
err = mmc_send_op_cond(mmc);
if (err && err != IN_PROGRESS) {
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
printf("Card did not respond to voltage select!\n");
+#endif
return UNUSABLE_ERR;
}
}
@@ -1434,6 +1283,8 @@ static int __def_mmc_init(bd_t *bis)
int cpu_mmc_init(bd_t *bis) __attribute__((weak, alias("__def_mmc_init")));
int board_mmc_init(bd_t *bis) __attribute__((weak, alias("__def_mmc_init")));
+#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
+
void print_mmc_devices(char separator)
{
struct mmc *m;
@@ -1451,6 +1302,10 @@ void print_mmc_devices(char separator)
printf("\n");
}
+#else
+void print_mmc_devices(char separator) { }
+#endif
+
int get_mmc_num(void)
{
return cur_dev_num;
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 21:27:07 +0000