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V1.0.5

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刘可亮
2024-06-04 19:00:30 +08:00
parent 990c72f5be
commit 0a13af6a1d
1668 changed files with 342810 additions and 37726 deletions
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120
bsp/artinchip/drv_bare/sdmc/mmc.c
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@@ -20,10 +20,6 @@
#define MAX_MMC_DEV_NUM 3
#define CONFIG_SYS_MMC_MAX_BLK_COUNT 300
#define be32_to_cpu(x) \
((0x000000ff & ((x) >> 24)) | (0x0000ff00 & ((x) >> 8)) | \
(0x00ff0000 & ((x) << 8)) | (0xff000000 & ((x) << 24)))
static void *mmc_dev[MAX_MMC_DEV_NUM];
static struct aic_sdmc_pdata sdmc_pdata[] = {
#if defined(AIC_USING_SDMC0)
@@ -299,8 +295,59 @@ static int mmc_send_ext_csd(struct aic_sdmc *host, u8 *ext_csd)
return err;
}
static int mmc_switch(struct aic_sdmc *host, u8 set, u8 index, u8 value)
{
struct aic_sdmc_cmd cmd = {0};
int err;
cmd.cmd_code = MMC_CMD_SWITCH;
cmd.arg = (MMC_SWITCH_MODE_WRITE_BYTE << 24) |
(index << 16) | (value << 8) | set;
err = mmc_send_cmd(host, &cmd, NULL);
if (err)
return err;
return 0;
}
static int mmc_select_bus_width(struct aic_sdmc *host)
{
int err = 0;
u32 ext_csd_bus_width;
/* buswidth 1 not need to switch */
if (host->pdata->buswidth == SDMC_CTYPE_1BIT)
return 0;
else if (host->dev->card_caps & MMC_MODE_4BIT &&
host->pdata->buswidth == SDMC_CTYPE_4BIT)
/* Set the card to use 4 bit*/
ext_csd_bus_width = EXT_CSD_BUS_WIDTH_4;
else if (host->dev->card_caps & MMC_MODE_8BIT &&
host->pdata->buswidth == SDMC_CTYPE_8BIT)
/* Set the card to use 8 bit*/
ext_csd_bus_width = EXT_CSD_BUS_WIDTH_8;
else
/* Default use 1 bit */
ext_csd_bus_width = EXT_CSD_BUS_WIDTH_1;
/* card configuration */
err = mmc_switch(host, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_BUS_WIDTH,
ext_csd_bus_width);
if (err)
return err;
/* host configuration */
aic_sdmc_set_cfg(host);
return 0;
}
static int mmc_get_capabilities(struct aic_sdmc *host, u8 *ext_csd)
{
char cardtype = ext_csd[EXT_CSD_CARD_TYPE];
host->dev->card_caps = 0;
/* Only version 4 supports high-speed */
@@ -308,8 +355,13 @@ static int mmc_get_capabilities(struct aic_sdmc *host, u8 *ext_csd)
return 0;
/* Default is 4-line mode */
host->dev->card_caps |= MMC_MODE_4BIT;
host->dev->card_caps |= MMC_MODE_HS;
host->dev->card_caps |= MMC_MODE_4BIT | MMC_MODE_HC;
if (cardtype & EXT_CSD_CARD_TYPE_26)
host->dev->card_caps |= MMC_MODE_HS;
if (cardtype & EXT_CSD_CARD_TYPE_52)
host->dev->card_caps |= MMC_MODE_HS_52MHz;
return 0;
}
@@ -535,10 +587,13 @@ static int mmc_get_csd(struct aic_sdmc *host)
erase_gmul = (cmd.resp[2] & 0x000003e0) >> 5;
host->dev->erase_grp_size = (erase_gsz + 1) * (erase_gmul + 1);
capacity = (csize + 1) << (cmult + 2);
capacity *= host->dev->read_bl_len;
capacity = (csize + 1) << (cmult + 2);
capacity *= host->dev->read_bl_len;
host->dev->card_capacity = (u32)(capacity >> 10); /* in KB */
if (host->dev->read_bl_len > MMC_MAX_BLOCK_LEN)
host->dev->read_bl_len = MMC_MAX_BLOCK_LEN;
return 0;
}
@@ -569,6 +624,10 @@ static int sd_startup(struct aic_sdmc *host)
host->pdata->buswidth == SDMC_CTYPE_4BIT) {
sd_select_bus_width(host, 4);
aic_sdmc_set_cfg(host);
} else {
host->pdata->buswidth = SDMC_CTYPE_1BIT;
sd_select_bus_width(host, 1);
aic_sdmc_set_cfg(host);
}
if (host->dev->card_caps & MMC_MODE_HS) {
@@ -592,7 +651,7 @@ static int emmc_startup(struct aic_sdmc *host)
/* check ext_csd version and capacity */
err = mmc_send_ext_csd(host, ext_csd);
/* update mmcdev version */
switch (ext_csd[192]) {
switch (ext_csd[EXT_CSD_REV]) {
case 0:
host->dev->version = MMC_VERSION_4;
break;
@@ -620,8 +679,8 @@ static int emmc_startup(struct aic_sdmc *host)
}
/* Check Read only ext_csd[160] whether support partition. */
if (ext_csd[160] & PART_SUPPORT)
host->dev->part_config = ext_csd[179];
if (ext_csd[EXT_CSD_PARTITION_SUPPORT] & PART_SUPPORT)
host->dev->part_config = ext_csd[EXT_CSD_PART_CONF];
}
if (host->dev->version >= MMC_VERSION_4_2) {
@@ -648,16 +707,12 @@ static int emmc_startup(struct aic_sdmc *host)
/* Restrict card's capabilities by what the host can do */
host->dev->card_caps &= host->dev->host_caps;
if (host->dev->card_caps & MMC_MODE_4BIT &&
host->pdata->buswidth == SDMC_CTYPE_4BIT) {
/* Set the card to use 4 bit*/
aic_sdmc_set_cfg(host);
} else if (host->dev->card_caps & MMC_MODE_8BIT &&
host->pdata->buswidth == SDMC_CTYPE_8BIT) {
/* Set the card to use 8 bit*/
aic_sdmc_set_cfg(host);
}
/* Select bus width */
err = mmc_select_bus_width(host);
if (err != 0)
return err;
/* Select clock */
if (host->dev->card_caps & MMC_MODE_HS) {
if (host->dev->card_caps & MMC_MODE_HS_52MHz)
host->dev->clock = 52000000;
@@ -686,6 +741,8 @@ static int mmc_go_identify_mode(struct aic_sdmc *host)
err = mmc_send_cmd(host, &cmd, NULL);
memcpy(host->cid, cmd.resp, 16);
return err;
}
@@ -971,10 +1028,10 @@ u32 mmc_berase(struct aic_sdmc *host, u32 start, u32 blkcnt)
int err = 0;
u32 blk = 0, blk_r = 0;
u64 timeout = 1000000;
u64 start_us = aic_get_time_us();
u64 start_us = 0;
pr_err("host->dev->erase_grp_size:%d\n", host->dev->erase_grp_size);
while (blk < blkcnt) {
start_us = aic_get_time_us();
blk_r = ((blkcnt - blk) > host->dev->erase_grp_size) ?
host->dev->erase_grp_size :
(blkcnt - blk);
@@ -1000,7 +1057,7 @@ void mmc_setup_cfg(struct aic_sdmc *host)
{
host->dev->freq_min = SDMC_CLOCK_MIN;
host->dev->freq_max = SDMC_CLOCK_MAX;
host->dev->host_caps = MMC_MODE_HC;
host->dev->host_caps = MMC_MODE_HC | MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_4BIT;
host->dev->valid_ocr = MMC_VDD_32_33 | MMC_VDD_33_34;
host->dev->voltages = MMC_VDD_29_30 | MMC_VDD_30_31 | MMC_VDD_31_32 |
MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_34_35 |
@@ -1093,6 +1150,23 @@ struct aic_sdmc *find_mmc_dev_by_index(int id)
return NULL;
}
s32 mmc_switch_part(struct aic_sdmc *host, u32 part_num)
{
int err;
if (part_num == MMC_PART_RPMB)
err = mmc_switch(host, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF, part_num);
else
err = mmc_select_bus_width(host);
if (err) {
pr_err("mmc switch part %d failed.\n", part_num);
return err;
}
return 0;
}
s32 mmc_init(int id)
{
struct aic_sdmc *host = NULL;