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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.c371
1 files changed, 49 insertions, 322 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index aabfc71..f8e5f7a 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -21,6 +21,7 @@
#include <div64.h>
#include "mmc_private.h"
+#ifndef CONFIG_DM_MMC_OPS
__weak int board_mmc_getwp(struct mmc *mmc)
{
return -1;
@@ -46,18 +47,20 @@ __weak int board_mmc_getcd(struct mmc *mmc)
{
return -1;
}
+#endif
-int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
+#ifdef CONFIG_MMC_TRACE
+void mmmc_trace_before_send(struct mmc *mmc, struct mmc_cmd *cmd)
{
- int ret;
+ printf("CMD_SEND:%d\n", cmd->cmdidx);
+ printf("\t\tARG\t\t\t 0x%08X\n", cmd->cmdarg);
+}
-#ifdef CONFIG_MMC_TRACE
+void mmmc_trace_after_send(struct mmc *mmc, struct mmc_cmd *cmd, int ret)
+{
int i;
u8 *ptr;
- printf("CMD_SEND:%d\n", cmd->cmdidx);
- printf("\t\tARG\t\t\t 0x%08X\n", cmd->cmdarg);
- ret = mmc->cfg->ops->send_cmd(mmc, cmd, data);
if (ret) {
printf("\t\tRET\t\t\t %d\n", ret);
} else {
@@ -103,19 +106,34 @@ int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
break;
}
}
-#else
- ret = mmc->cfg->ops->send_cmd(mmc, cmd, data);
+}
+
+void mmc_trace_state(struct mmc *mmc, struct mmc_cmd *cmd)
+{
+ int status;
+
+ status = (cmd->response[0] & MMC_STATUS_CURR_STATE) >> 9;
+ printf("CURR STATE:%d\n", status);
+}
#endif
+
+#ifndef CONFIG_DM_MMC_OPS
+int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
+{
+ int ret;
+
+ mmmc_trace_before_send(mmc, cmd);
+ ret = mmc->cfg->ops->send_cmd(mmc, cmd, data);
+ mmmc_trace_after_send(mmc, cmd, ret);
+
return ret;
}
+#endif
int mmc_send_status(struct mmc *mmc, int timeout)
{
struct mmc_cmd cmd;
int err, retries = 5;
-#ifdef CONFIG_MMC_TRACE
- int status;
-#endif
cmd.cmdidx = MMC_CMD_SEND_STATUS;
cmd.resp_type = MMC_RSP_R1;
@@ -145,10 +163,7 @@ int mmc_send_status(struct mmc *mmc, int timeout)
udelay(1000);
}
-#ifdef CONFIG_MMC_TRACE
- status = (cmd.response[0] & MMC_STATUS_CURR_STATE) >> 9;
- printf("CURR STATE:%d\n", status);
-#endif
+ mmc_trace_state(mmc, &cmd);
if (timeout <= 0) {
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
printf("Timeout waiting card ready\n");
@@ -215,11 +230,10 @@ static int mmc_read_blocks(struct mmc *mmc, void *dst, lbaint_t start,
}
#ifdef CONFIG_BLK
-static ulong mmc_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt,
- void *dst)
+ulong mmc_bread(struct udevice *dev, lbaint_t start, lbaint_t blkcnt, void *dst)
#else
-static ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start,
- lbaint_t blkcnt, void *dst)
+ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
+ void *dst)
#endif
{
#ifdef CONFIG_BLK
@@ -464,8 +478,7 @@ static int mmc_send_ext_csd(struct mmc *mmc, u8 *ext_csd)
return err;
}
-
-static int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value)
+int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value)
{
struct mmc_cmd cmd;
int timeout = 1000;
@@ -566,7 +579,7 @@ static int mmc_set_capacity(struct mmc *mmc, int part_num)
return 0;
}
-static int mmc_switch_part(struct mmc *mmc, unsigned int part_num)
+int mmc_switch_part(struct mmc *mmc, unsigned int part_num)
{
int ret;
@@ -586,49 +599,6 @@ static int mmc_switch_part(struct mmc *mmc, unsigned int part_num)
return ret;
}
-#ifdef CONFIG_BLK
-static int mmc_select_hwpart(struct udevice *bdev, int hwpart)
-{
- struct udevice *mmc_dev = dev_get_parent(bdev);
- struct mmc *mmc = mmc_get_mmc_dev(mmc_dev);
- struct blk_desc *desc = dev_get_uclass_platdata(bdev);
- int ret;
-
- if (desc->hwpart == hwpart)
- return 0;
-
- if (mmc->part_config == MMCPART_NOAVAILABLE)
- return -EMEDIUMTYPE;
-
- ret = mmc_switch_part(mmc, hwpart);
- if (ret)
- return ret;
-
- return 0;
-}
-#else
-static int mmc_select_hwpartp(struct blk_desc *desc, int hwpart)
-{
- struct mmc *mmc = find_mmc_device(desc->devnum);
- int ret;
-
- if (!mmc)
- return -ENODEV;
-
- if (mmc->block_dev.hwpart == hwpart)
- return 0;
-
- if (mmc->part_config == MMCPART_NOAVAILABLE)
- return -EMEDIUMTYPE;
-
- ret = mmc_switch_part(mmc, hwpart);
- if (ret)
- return ret;
-
- return 0;
-}
-#endif
-
int mmc_hwpart_config(struct mmc *mmc,
const struct mmc_hwpart_conf *conf,
enum mmc_hwpart_conf_mode mode)
@@ -823,6 +793,7 @@ int mmc_hwpart_config(struct mmc *mmc,
return 0;
}
+#ifndef CONFIG_DM_MMC_OPS
int mmc_getcd(struct mmc *mmc)
{
int cd;
@@ -838,6 +809,7 @@ int mmc_getcd(struct mmc *mmc)
return cd;
}
+#endif
static int sd_switch(struct mmc *mmc, int mode, int group, u8 value, u8 *resp)
{
@@ -1001,11 +973,13 @@ static const u8 multipliers[] = {
80,
};
+#ifndef CONFIG_DM_MMC_OPS
static void mmc_set_ios(struct mmc *mmc)
{
if (mmc->cfg->ops->set_ios)
mmc->cfg->ops->set_ios(mmc);
}
+#endif
void mmc_set_clock(struct mmc *mmc, uint clock)
{
@@ -1532,115 +1506,6 @@ static int mmc_send_if_cond(struct mmc *mmc)
return 0;
}
-#ifdef CONFIG_BLK
-int mmc_bind(struct udevice *dev, struct mmc *mmc, const struct mmc_config *cfg)
-{
- struct blk_desc *bdesc;
- struct udevice *bdev;
- int ret;
-
- ret = blk_create_devicef(dev, "mmc_blk", "blk", IF_TYPE_MMC, -1, 512,
- 0, &bdev);
- if (ret) {
- debug("Cannot create block device\n");
- return ret;
- }
- bdesc = dev_get_uclass_platdata(bdev);
- mmc->cfg = cfg;
- mmc->priv = dev;
-
- /* the following chunk was from mmc_register() */
-
- /* Setup dsr related values */
- mmc->dsr_imp = 0;
- mmc->dsr = 0xffffffff;
- /* Setup the universal parts of the block interface just once */
- bdesc->removable = 1;
-
- /* setup initial part type */
- bdesc->part_type = cfg->part_type;
- mmc->dev = dev;
-
- return 0;
-}
-
-int mmc_unbind(struct udevice *dev)
-{
- struct udevice *bdev;
-
- device_find_first_child(dev, &bdev);
- if (bdev) {
- device_remove(bdev);
- device_unbind(bdev);
- }
-
- return 0;
-}
-
-#else
-struct mmc *mmc_create(const struct mmc_config *cfg, void *priv)
-{
- struct blk_desc *bdesc;
- struct mmc *mmc;
-
- /* quick validation */
- if (cfg == NULL || cfg->ops == NULL || cfg->ops->send_cmd == NULL ||
- cfg->f_min == 0 || cfg->f_max == 0 || cfg->b_max == 0)
- return NULL;
-
- mmc = calloc(1, sizeof(*mmc));
- if (mmc == NULL)
- return NULL;
-
- mmc->cfg = cfg;
- mmc->priv = priv;
-
- /* the following chunk was mmc_register() */
-
- /* Setup dsr related values */
- mmc->dsr_imp = 0;
- mmc->dsr = 0xffffffff;
- /* Setup the universal parts of the block interface just once */
- bdesc = mmc_get_blk_desc(mmc);
- bdesc->if_type = IF_TYPE_MMC;
- bdesc->removable = 1;
- bdesc->devnum = mmc_get_next_devnum();
- bdesc->block_read = mmc_bread;
- bdesc->block_write = mmc_bwrite;
- bdesc->block_erase = mmc_berase;
-
- /* setup initial part type */
- bdesc->part_type = mmc->cfg->part_type;
- mmc_list_add(mmc);
-
- return mmc;
-}
-
-void mmc_destroy(struct mmc *mmc)
-{
- /* only freeing memory for now */
- free(mmc);
-}
-#endif
-
-#ifndef CONFIG_BLK
-static int mmc_get_dev(int dev, struct blk_desc **descp)
-{
- struct mmc *mmc = find_mmc_device(dev);
- int ret;
-
- if (!mmc)
- return -ENODEV;
- ret = mmc_init(mmc);
- if (ret)
- return ret;
-
- *descp = &mmc->block_dev;
-
- return 0;
-}
-#endif
-
/* board-specific MMC power initializations. */
__weak void board_mmc_power_init(void)
{
@@ -1648,10 +1513,15 @@ __weak void board_mmc_power_init(void)
int mmc_start_init(struct mmc *mmc)
{
+ bool no_card;
int err;
/* we pretend there's no card when init is NULL */
- if (mmc_getcd(mmc) == 0 || mmc->cfg->ops->init == NULL) {
+ no_card = mmc_getcd(mmc) == 0;
+#ifndef CONFIG_DM_MMC_OPS
+ 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");
@@ -1667,12 +1537,14 @@ int mmc_start_init(struct mmc *mmc)
#endif
board_mmc_power_init();
+#ifdef CONFIG_DM_MMC_OPS
+ /* The device has already been probed ready for use */
+#else
/* made sure it's not NULL earlier */
err = mmc->cfg->ops->init(mmc);
-
if (err)
return err;
-
+#endif
mmc->ddr_mode = 0;
mmc_set_bus_width(mmc, 1);
mmc_set_clock(mmc, 1);
@@ -1839,148 +1711,3 @@ int mmc_initialize(bd_t *bis)
mmc_do_preinit();
return 0;
}
-
-#ifdef CONFIG_SUPPORT_EMMC_BOOT
-/*
- * This function changes the size of boot partition and the size of rpmb
- * partition present on EMMC devices.
- *
- * Input Parameters:
- * struct *mmc: pointer for the mmc device strcuture
- * bootsize: size of boot partition
- * rpmbsize: size of rpmb partition
- *
- * Returns 0 on success.
- */
-
-int mmc_boot_partition_size_change(struct mmc *mmc, unsigned long bootsize,
- unsigned long rpmbsize)
-{
- int err;
- struct mmc_cmd cmd;
-
- /* Only use this command for raw EMMC moviNAND. Enter backdoor mode */
- cmd.cmdidx = MMC_CMD_RES_MAN;
- cmd.resp_type = MMC_RSP_R1b;
- cmd.cmdarg = MMC_CMD62_ARG1;
-
- err = mmc_send_cmd(mmc, &cmd, NULL);
- if (err) {
- debug("mmc_boot_partition_size_change: Error1 = %d\n", err);
- return err;
- }
-
- /* Boot partition changing mode */
- cmd.cmdidx = MMC_CMD_RES_MAN;
- cmd.resp_type = MMC_RSP_R1b;
- cmd.cmdarg = MMC_CMD62_ARG2;
-
- err = mmc_send_cmd(mmc, &cmd, NULL);
- if (err) {
- debug("mmc_boot_partition_size_change: Error2 = %d\n", err);
- return err;
- }
- /* boot partition size is multiple of 128KB */
- bootsize = (bootsize * 1024) / 128;
-
- /* Arg: boot partition size */
- cmd.cmdidx = MMC_CMD_RES_MAN;
- cmd.resp_type = MMC_RSP_R1b;
- cmd.cmdarg = bootsize;
-
- err = mmc_send_cmd(mmc, &cmd, NULL);
- if (err) {
- debug("mmc_boot_partition_size_change: Error3 = %d\n", err);
- return err;
- }
- /* RPMB partition size is multiple of 128KB */
- rpmbsize = (rpmbsize * 1024) / 128;
- /* Arg: RPMB partition size */
- cmd.cmdidx = MMC_CMD_RES_MAN;
- cmd.resp_type = MMC_RSP_R1b;
- cmd.cmdarg = rpmbsize;
-
- err = mmc_send_cmd(mmc, &cmd, NULL);
- if (err) {
- debug("mmc_boot_partition_size_change: Error4 = %d\n", err);
- return err;
- }
- return 0;
-}
-
-/*
- * Modify EXT_CSD[177] which is BOOT_BUS_WIDTH
- * based on the passed in values for BOOT_BUS_WIDTH, RESET_BOOT_BUS_WIDTH
- * and BOOT_MODE.
- *
- * Returns 0 on success.
- */
-int mmc_set_boot_bus_width(struct mmc *mmc, u8 width, u8 reset, u8 mode)
-{
- int err;
-
- err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BOOT_BUS_WIDTH,
- EXT_CSD_BOOT_BUS_WIDTH_MODE(mode) |
- EXT_CSD_BOOT_BUS_WIDTH_RESET(reset) |
- EXT_CSD_BOOT_BUS_WIDTH_WIDTH(width));
-
- if (err)
- return err;
- return 0;
-}
-
-/*
- * Modify EXT_CSD[179] which is PARTITION_CONFIG (formerly BOOT_CONFIG)
- * based on the passed in values for BOOT_ACK, BOOT_PARTITION_ENABLE and
- * PARTITION_ACCESS.
- *
- * Returns 0 on success.
- */
-int mmc_set_part_conf(struct mmc *mmc, u8 ack, u8 part_num, u8 access)
-{
- int err;
-
- err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF,
- EXT_CSD_BOOT_ACK(ack) |
- EXT_CSD_BOOT_PART_NUM(part_num) |
- EXT_CSD_PARTITION_ACCESS(access));
-
- if (err)
- return err;
- return 0;
-}
-
-/*
- * Modify EXT_CSD[162] which is RST_n_FUNCTION based on the given value
- * for enable. Note that this is a write-once field for non-zero values.
- *
- * Returns 0 on success.
- */
-int mmc_set_rst_n_function(struct mmc *mmc, u8 enable)
-{
- return mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_RST_N_FUNCTION,
- enable);
-}
-#endif
-
-#ifdef CONFIG_BLK
-static const struct blk_ops mmc_blk_ops = {
- .read = mmc_bread,
- .write = mmc_bwrite,
- .select_hwpart = mmc_select_hwpart,
-};
-
-U_BOOT_DRIVER(mmc_blk) = {
- .name = "mmc_blk",
- .id = UCLASS_BLK,
- .ops = &mmc_blk_ops,
-};
-#else
-U_BOOT_LEGACY_BLK(mmc) = {
- .if_typename = "mmc",
- .if_type = IF_TYPE_MMC,
- .max_devs = -1,
- .get_dev = mmc_get_dev,
- .select_hwpart = mmc_select_hwpartp,
-};
-#endif