summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--board/efikamx/efikamx.c9
-rw-r--r--board/emk/top9000/top9000.c12
-rw-r--r--board/freescale/mx51evk/mx51evk.c9
-rw-r--r--board/freescale/mx53ard/mx53ard.c9
-rw-r--r--board/freescale/mx53evk/mx53evk.c9
-rw-r--r--board/freescale/mx53loco/mx53loco.c9
-rw-r--r--board/freescale/mx53smd/mx53smd.c6
-rw-r--r--doc/README.atmel_mci12
-rw-r--r--drivers/mmc/arm_pl180_mmci.c1
-rw-r--r--drivers/mmc/bfin_sdh.c1
-rw-r--r--drivers/mmc/davinci_mmc.c1
-rw-r--r--drivers/mmc/fsl_esdhc.c42
-rw-r--r--drivers/mmc/ftsdc010_esdhc.c189
-rw-r--r--drivers/mmc/gen_atmel_mci.c1
-rw-r--r--drivers/mmc/mmc.c32
-rw-r--r--drivers/mmc/mmc_spi.c1
-rw-r--r--drivers/mmc/mv_sdhci.c3
-rw-r--r--drivers/mmc/mxcmmc.c1
-rw-r--r--drivers/mmc/mxsmmc.c1
-rw-r--r--drivers/mmc/omap_hsmmc.c1
-rw-r--r--drivers/mmc/pxa_mmc_gen.c1
-rw-r--r--drivers/mmc/s5p_mmc.c1
-rw-r--r--drivers/mmc/sdhci.c1
-rw-r--r--drivers/mmc/sh_mmcif.c1
-rw-r--r--drivers/mmc/tegra2_mmc.c32
-rw-r--r--include/mmc.h4
26 files changed, 217 insertions, 172 deletions
diff --git a/board/efikamx/efikamx.c b/board/efikamx/efikamx.c
index 1f6c457..e88b2ed 100644
--- a/board/efikamx/efikamx.c
+++ b/board/efikamx/efikamx.c
@@ -314,17 +314,18 @@ static inline uint32_t efika_mmc_cd(void)
return MX51_PIN_EIM_CS2;
}
-int board_mmc_getcd(u8 *absent, struct mmc *mmc)
+int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
uint32_t cd = efika_mmc_cd();
+ int ret;
if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
- *absent = gpio_get_value(IOMUX_TO_GPIO(cd));
+ ret = !gpio_get_value(IOMUX_TO_GPIO(cd));
else
- *absent = gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_8));
+ ret = !gpio_get_value(IOMUX_TO_GPIO(MX51_PIN_GPIO1_8));
- return 0;
+ return ret;
}
int board_mmc_init(bd_t *bis)
diff --git a/board/emk/top9000/top9000.c b/board/emk/top9000/top9000.c
index 6f5662a..e0b4cf2 100644
--- a/board/emk/top9000/top9000.c
+++ b/board/emk/top9000/top9000.c
@@ -108,17 +108,9 @@ int board_mmc_init(bd_t *bd)
}
/* this is a weak define that we are overriding */
-int board_mmc_getcd(u8 *cd, struct mmc *mmc)
+int board_mmc_getcd(struct mmc *mmc)
{
- /*
- * the only currently existing use of this function
- * (fsl_esdhc.c) suggests this function must return
- * *cs = TRUE if a card is NOT detected -> in most
- * cases the value of the pin when the detect switch
- * closes to GND
- */
- *cd = at91_get_gpio_value(CONFIG_SYS_MMC_CD_PIN) ? 1 : 0;
- return 0;
+ return !at91_get_gpio_value(CONFIG_SYS_MMC_CD_PIN);
}
#endif
diff --git a/board/freescale/mx51evk/mx51evk.c b/board/freescale/mx51evk/mx51evk.c
index e43aaf7..8d1f6a3 100644
--- a/board/freescale/mx51evk/mx51evk.c
+++ b/board/freescale/mx51evk/mx51evk.c
@@ -321,19 +321,20 @@ static void power_init(void)
}
#ifdef CONFIG_FSL_ESDHC
-int board_mmc_getcd(u8 *cd, struct mmc *mmc)
+int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret;
mxc_request_iomux(MX51_PIN_GPIO1_0, IOMUX_CONFIG_ALT1);
mxc_request_iomux(MX51_PIN_GPIO1_6, IOMUX_CONFIG_ALT0);
if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
- *cd = gpio_get_value(0);
+ ret = !gpio_get_value(0);
else
- *cd = gpio_get_value(6);
+ ret = !gpio_get_value(6);
- return 0;
+ return ret;
}
int board_mmc_init(bd_t *bis)
diff --git a/board/freescale/mx53ard/mx53ard.c b/board/freescale/mx53ard/mx53ard.c
index e5a1142..40b5c19 100644
--- a/board/freescale/mx53ard/mx53ard.c
+++ b/board/freescale/mx53ard/mx53ard.c
@@ -83,19 +83,20 @@ struct fsl_esdhc_cfg esdhc_cfg[2] = {
{MMC_SDHC2_BASE_ADDR, 1 },
};
-int board_mmc_getcd(u8 *cd, struct mmc *mmc)
+int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret;
mxc_request_iomux(MX53_PIN_GPIO_1, IOMUX_CONFIG_ALT1);
mxc_request_iomux(MX53_PIN_GPIO_4, IOMUX_CONFIG_ALT1);
if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
- *cd = gpio_get_value(1); /*GPIO1_1*/
+ ret = !gpio_get_value(1); /* GPIO1_1 */
else
- *cd = gpio_get_value(4); /*GPIO1_4*/
+ ret = !gpio_get_value(4); /* GPIO1_4 */
- return 0;
+ return ret;
}
int board_mmc_init(bd_t *bis)
diff --git a/board/freescale/mx53evk/mx53evk.c b/board/freescale/mx53evk/mx53evk.c
index aa4a2c9..e976ae1 100644
--- a/board/freescale/mx53evk/mx53evk.c
+++ b/board/freescale/mx53evk/mx53evk.c
@@ -208,19 +208,20 @@ struct fsl_esdhc_cfg esdhc_cfg[2] = {
{MMC_SDHC3_BASE_ADDR, 1},
};
-int board_mmc_getcd(u8 *cd, struct mmc *mmc)
+int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret;
mxc_request_iomux(MX53_PIN_EIM_DA11, IOMUX_CONFIG_ALT1);
mxc_request_iomux(MX53_PIN_EIM_DA13, IOMUX_CONFIG_ALT1);
if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
- *cd = gpio_get_value(77); /*GPIO3_13*/
+ ret = !gpio_get_value(77); /* GPIO3_13 */
else
- *cd = gpio_get_value(75); /*GPIO3_11*/
+ ret = !gpio_get_value(75); /* GPIO3_11 */
- return 0;
+ return ret;
}
int board_mmc_init(bd_t *bis)
diff --git a/board/freescale/mx53loco/mx53loco.c b/board/freescale/mx53loco/mx53loco.c
index ea4d354..e6345e7 100644
--- a/board/freescale/mx53loco/mx53loco.c
+++ b/board/freescale/mx53loco/mx53loco.c
@@ -147,19 +147,20 @@ struct fsl_esdhc_cfg esdhc_cfg[2] = {
{MMC_SDHC3_BASE_ADDR, 1},
};
-int board_mmc_getcd(u8 *cd, struct mmc *mmc)
+int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret;
mxc_request_iomux(MX53_PIN_EIM_DA11, IOMUX_CONFIG_ALT1);
mxc_request_iomux(MX53_PIN_EIM_DA13, IOMUX_CONFIG_ALT1);
if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
- *cd = gpio_get_value(77); /*GPIO3_13*/
+ ret = !gpio_get_value(77); /* GPIO3_13 */
else
- *cd = gpio_get_value(75); /*GPIO3_11*/
+ ret = !gpio_get_value(75); /* GPIO3_11 */
- return 0;
+ return ret;
}
int board_mmc_init(bd_t *bis)
diff --git a/board/freescale/mx53smd/mx53smd.c b/board/freescale/mx53smd/mx53smd.c
index 55af4e4..e273192 100644
--- a/board/freescale/mx53smd/mx53smd.c
+++ b/board/freescale/mx53smd/mx53smd.c
@@ -132,12 +132,10 @@ struct fsl_esdhc_cfg esdhc_cfg[1] = {
{MMC_SDHC1_BASE_ADDR, 1},
};
-int board_mmc_getcd(u8 *cd, struct mmc *mmc)
+int board_mmc_getcd(struct mmc *mmc)
{
mxc_request_iomux(MX53_PIN_EIM_DA13, IOMUX_CONFIG_ALT1);
- *cd = gpio_get_value(77); /*GPIO3_13*/
-
- return 0;
+ return !gpio_get_value(77); /* GPIO3_13 */
}
int board_mmc_init(bd_t *bis)
diff --git a/doc/README.atmel_mci b/doc/README.atmel_mci
index dee0cf0..0cbd909 100644
--- a/doc/README.atmel_mci
+++ b/doc/README.atmel_mci
@@ -59,17 +59,9 @@ int board_mmc_init(bd_t *bd)
}
/* this is a weak define that we are overriding */
-int board_mmc_getcd(u8 *cd, struct mmc *mmc)
+int board_mmc_getcd(struct mmc *mmc)
{
- /*
- * the only currently existing use of this function
- * (fsl_esdhc.c) suggests this function must return
- * *cs = TRUE if a card is NOT detected -> in most
- * cases the value of the pin when the detect switch
- * closes to GND
- */
- *cd = at91_get_gpio_value (CONFIG_SYS_MMC_CD_PIN) ? 1 : 0;
- return 0;
+ return !at91_get_gpio_value(CONFIG_SYS_MMC_CD_PIN);
}
#endif
diff --git a/drivers/mmc/arm_pl180_mmci.c b/drivers/mmc/arm_pl180_mmci.c
index e6467a2..09d443e 100644
--- a/drivers/mmc/arm_pl180_mmci.c
+++ b/drivers/mmc/arm_pl180_mmci.c
@@ -385,6 +385,7 @@ static int arm_pl180_mmci_host_init(struct mmc *dev)
dev->send_cmd = host_request;
dev->set_ios = host_set_ios;
dev->init = mmc_host_reset;
+ dev->getcd = NULL;
dev->host_caps = 0;
dev->voltages = VOLTAGE_WINDOW_MMC;
dev->f_min = dev->clock;
diff --git a/drivers/mmc/bfin_sdh.c b/drivers/mmc/bfin_sdh.c
index bc9057f..08fc5c1 100644
--- a/drivers/mmc/bfin_sdh.c
+++ b/drivers/mmc/bfin_sdh.c
@@ -250,6 +250,7 @@ int bfin_mmc_init(bd_t *bis)
mmc->send_cmd = bfin_sdh_request;
mmc->set_ios = bfin_sdh_set_ios;
mmc->init = bfin_sdh_init;
+ mmc->getcd = NULL;
mmc->host_caps = MMC_MODE_4BIT;
mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
diff --git a/drivers/mmc/davinci_mmc.c b/drivers/mmc/davinci_mmc.c
index ce96736..ee8f261 100644
--- a/drivers/mmc/davinci_mmc.c
+++ b/drivers/mmc/davinci_mmc.c
@@ -387,6 +387,7 @@ int davinci_mmc_init(bd_t *bis, struct davinci_mmc *host)
mmc->send_cmd = dmmc_send_cmd;
mmc->set_ios = dmmc_set_ios;
mmc->init = dmmc_init;
+ mmc->getcd = NULL;
mmc->f_min = 200000;
mmc->f_max = 25000000;
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index ec953f0..a2f35e3 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -58,7 +58,8 @@ struct fsl_esdhc {
uint autoc12err;
uint hostcapblt;
uint wml;
- char reserved1[8];
+ uint mixctrl;
+ char reserved1[4];
uint fevt;
char reserved2[168];
uint hostver;
@@ -113,7 +114,8 @@ uint esdhc_xfertyp(struct mmc_cmd *cmd, struct mmc_data *data)
static void
esdhc_pio_read_write(struct mmc *mmc, struct mmc_data *data)
{
- struct fsl_esdhc *regs = mmc->priv;
+ struct fsl_esdhc_cfg *cfg = mmc->priv;
+ struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
uint blocks;
char *buffer;
uint databuf;
@@ -298,8 +300,13 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
/* Send the command */
esdhc_write32(&regs->cmdarg, cmd->cmdarg);
+#if defined(CONFIG_FSL_USDHC)
+ esdhc_write32(&regs->mixctrl,
+ (esdhc_read32(&regs->mixctrl) & 0xFFFFFF80) | (xfertyp & 0x7F));
+ esdhc_write32(&regs->xfertyp, xfertyp & 0xFFFF0000);
+#else
esdhc_write32(&regs->xfertyp, xfertyp);
-
+#endif
/* Wait for the command to complete */
while (!(esdhc_read32(&regs->irqstat) & IRQSTAT_CC))
;
@@ -412,8 +419,6 @@ static int esdhc_init(struct mmc *mmc)
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
int timeout = 1000;
- int ret = 0;
- u8 card_absent;
/* Reset the entire host controller */
esdhc_write32(&regs->sysctl, SYSCTL_RSTA);
@@ -440,21 +445,19 @@ static int esdhc_init(struct mmc *mmc)
/* Set timout to the maximum value */
esdhc_clrsetbits32(&regs->sysctl, SYSCTL_TIMEOUT_MASK, 14 << 16);
- /* Check if there is a callback for detecting the card */
- if (board_mmc_getcd(&card_absent, mmc)) {
- timeout = 1000;
- while (!(esdhc_read32(&regs->prsstat) & PRSSTAT_CINS) &&
- --timeout)
- udelay(1000);
+ return 0;
+}
- if (timeout <= 0)
- ret = NO_CARD_ERR;
- } else {
- if (card_absent)
- ret = NO_CARD_ERR;
- }
+static int esdhc_getcd(struct mmc *mmc)
+{
+ struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
+ int timeout = 1000;
+
+ while (!(esdhc_read32(&regs->prsstat) & PRSSTAT_CINS) && --timeout)
+ udelay(1000);
- return ret;
+ return timeout > 0;
}
static void esdhc_reset(struct fsl_esdhc *regs)
@@ -482,7 +485,7 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
mmc = malloc(sizeof(struct mmc));
- sprintf(mmc->name, "FSL_ESDHC");
+ sprintf(mmc->name, "FSL_SDHC");
regs = (struct fsl_esdhc *)cfg->esdhc_base;
/* First reset the eSDHC controller */
@@ -492,6 +495,7 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
mmc->send_cmd = esdhc_send_cmd;
mmc->set_ios = esdhc_set_ios;
mmc->init = esdhc_init;
+ mmc->getcd = esdhc_getcd;
voltage_caps = 0;
caps = regs->hostcapblt;
diff --git a/drivers/mmc/ftsdc010_esdhc.c b/drivers/mmc/ftsdc010_esdhc.c
index e38dd87..f1702fe 100644
--- a/drivers/mmc/ftsdc010_esdhc.c
+++ b/drivers/mmc/ftsdc010_esdhc.c
@@ -90,8 +90,13 @@ static void ftsdc010_pio_read(struct mmc_host *host, char *buf, unsigned int siz
while (size) {
status = readl(&host->reg->status);
+ debug("%s: size: %08x\n", __func__, size);
if (status & FTSDC010_STATUS_FIFO_ORUN) {
+
+ debug("%s: FIFO OVERRUN: sta: %08x\n",
+ __func__, status);
+
fifo = host->fifo_len > size ?
size : host->fifo_len;
@@ -146,7 +151,7 @@ static void ftsdc010_pio_write(struct mmc_host *host, const char *buf,
while (size) {
status = readl(&host->reg->status);
- if (status & FTSDC010_STATUS_FIFO_ORUN) {
+ if (status & FTSDC010_STATUS_FIFO_URUN) {
fifo = host->fifo_len > size ?
size : host->fifo_len;
@@ -158,7 +163,6 @@ static void ftsdc010_pio_write(struct mmc_host *host, const char *buf,
writel(*ptr, &host->reg->dwr);
ptr++;
}
-
} else {
udelay(1);
if (++retry >= FTSDC010_PIO_RETRY) {
@@ -169,56 +173,19 @@ static void ftsdc010_pio_write(struct mmc_host *host, const char *buf,
}
}
-static int ftsdc010_pio_check_status(struct mmc *mmc, struct mmc_cmd *cmd,
+static int ftsdc010_check_rsp(struct mmc *mmc, struct mmc_cmd *cmd,
struct mmc_data *data)
{
struct mmc_host *host = mmc->priv;
-
unsigned int sta, clear;
- unsigned int i;
-
- /* check response and hardware status */
- clear = 0;
-
- /* chech CMD_SEND */
- for (i = 0; i < FTSDC010_CMD_RETRY; i++) {
- sta = readl(&host->reg->status);
- /* Command Complete */
- if (sta & FTSDC010_STATUS_CMD_SEND) {
- if (!data)
- clear |= FTSDC010_CLR_CMD_SEND;
- break;
- }
- }
-
- if (i > FTSDC010_CMD_RETRY) {
- printf("%s: send command timeout\n", __func__);
- return TIMEOUT;
- }
-
- /* debug: print status register and command index*/
- debug("sta: %08x cmd %d\n", sta, cmd->cmdidx);
- /* handle data FIFO */
- if ((sta & FTSDC010_STATUS_FIFO_ORUN) ||
- (sta & FTSDC010_STATUS_FIFO_URUN)) {
-
- /* Wrong DATA FIFO Flag */
- if (data == NULL)
- printf("%s, data fifo wrong: sta: %08x cmd %d\n",
- __func__, sta, cmd->cmdidx);
-
- if (sta & FTSDC010_STATUS_FIFO_ORUN)
- clear |= FTSDC010_STATUS_FIFO_ORUN;
- if (sta & FTSDC010_STATUS_FIFO_URUN)
- clear |= FTSDC010_STATUS_FIFO_URUN;
- }
+ sta = readl(&host->reg->status);
+ debug("%s: sta: %08x cmd %d\n", __func__, sta, cmd->cmdidx);
/* check RSP TIMEOUT or FAIL */
if (sta & FTSDC010_STATUS_RSP_TIMEOUT) {
/* RSP TIMEOUT */
- debug("%s: RSP timeout: sta: %08x cmd %d\n",
- __func__, sta, cmd->cmdidx);
+ debug("%s: RSP timeout: sta: %08x\n", __func__, sta);
clear |= FTSDC010_CLR_RSP_TIMEOUT;
writel(clear, &host->reg->clr);
@@ -226,47 +193,62 @@ static int ftsdc010_pio_check_status(struct mmc *mmc, struct mmc_cmd *cmd,
return TIMEOUT;
} else if (sta & FTSDC010_STATUS_RSP_CRC_FAIL) {
/* clear response fail bit */
- debug("%s: RSP CRC FAIL: sta: %08x cmd %d\n",
- __func__, sta, cmd->cmdidx);
+ debug("%s: RSP CRC FAIL: sta: %08x\n", __func__, sta);
clear |= FTSDC010_CLR_RSP_CRC_FAIL;
writel(clear, &host->reg->clr);
- return 0;
+ return COMM_ERR;
} else if (sta & FTSDC010_STATUS_RSP_CRC_OK) {
/* clear response CRC OK bit */
clear |= FTSDC010_CLR_RSP_CRC_OK;
}
+ writel(clear, &host->reg->clr);
+ return 0;
+}
+
+static int ftsdc010_check_data(struct mmc *mmc, struct mmc_cmd *cmd,
+ struct mmc_data *data)
+{
+ struct mmc_host *host = mmc->priv;
+ unsigned int sta, clear;
+
+ sta = readl(&host->reg->status);
+ debug("%s: sta: %08x cmd %d\n", __func__, sta, cmd->cmdidx);
+
/* check DATA TIMEOUT or FAIL */
if (data) {
+
+ /* Transfer Complete */
+ if (sta & FTSDC010_STATUS_DATA_END)
+ clear |= FTSDC010_STATUS_DATA_END;
+
+ /* Data CRC_OK */
+ if (sta & FTSDC010_STATUS_DATA_CRC_OK)
+ clear |= FTSDC010_STATUS_DATA_CRC_OK;
+
+ /* DATA TIMEOUT or DATA CRC FAIL */
if (sta & FTSDC010_STATUS_DATA_TIMEOUT) {
/* DATA TIMEOUT */
- debug("%s: DATA TIMEOUT: sta: %08x\n",
- __func__, sta);
+ debug("%s: DATA TIMEOUT: sta: %08x\n", __func__, sta);
clear |= FTSDC010_STATUS_DATA_TIMEOUT;
- writel(sta, &host->reg->clr);
+ writel(clear, &host->reg->clr);
+
return TIMEOUT;
} else if (sta & FTSDC010_STATUS_DATA_CRC_FAIL) {
- /* Error Interrupt */
- debug("%s: DATA CRC FAIL: sta: %08x\n",
- __func__, sta);
+ /* DATA CRC FAIL */
+ debug("%s: DATA CRC FAIL: sta: %08x\n", __func__, sta);
clear |= FTSDC010_STATUS_DATA_CRC_FAIL;
writel(clear, &host->reg->clr);
- return 0;
- } else if (sta & FTSDC010_STATUS_DATA_END) {
- /* Transfer Complete */
- clear |= FTSDC010_STATUS_DATA_END;
+ return COMM_ERR;
}
+ writel(clear, &host->reg->clr);
}
-
- /* transaction is success and clear status register */
- writel(clear, &host->reg->clr);
-
return 0;
}
@@ -281,6 +263,9 @@ static int ftsdc010_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
unsigned int ccon;
unsigned int mask, tmpmask;
unsigned int ret;
+ unsigned int sta, i;
+
+ ret = 0;
if (data)
mask = FTSDC010_INT_MASK_RSP_TIMEOUT;
@@ -290,13 +275,9 @@ static int ftsdc010_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
mask = FTSDC010_INT_MASK_CMD_SEND;
/* write argu reg */
- debug("%s: cmd->arg: %08x\n", __func__, cmd->cmdarg);
+ debug("%s: argu: %08x\n", __func__, host->reg->argu);
writel(cmd->cmdarg, &host->reg->argu);
- /* setup cmd reg */
- debug("cmd: %d\n", cmd->cmdidx);
- debug("resp: %08x\n", cmd->resp_type);
-
/* setup commnad */
ccon = FTSDC010_CMD_IDX(cmd->cmdidx);
@@ -340,7 +321,51 @@ static int ftsdc010_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
/* write cmd reg */
debug("%s: ccon: %08x\n", __func__, ccon);
writel(ccon, &host->reg->cmd);
- udelay(4*FTSDC010_DELAY_UNIT);
+
+ /* check CMD_SEND */
+ for (i = 0; i < FTSDC010_CMD_RETRY; i++) {
+ /*
+ * If we read status register too fast
+ * will lead hardware error and the RSP_TIMEOUT
+ * flag will be raised incorrectly.
+ */
+ udelay(16*FTSDC010_DELAY_UNIT);
+ sta = readl(&host->reg->status);
+
+ /* Command Complete */
+ /*
+ * Note:
+ * Do not clear FTSDC010_CLR_CMD_SEND flag.
+ * (by writing FTSDC010_CLR_CMD_SEND bit to clear register)
+ * It will make the driver becomes very slow.
+ * If the operation hasn't been finished, hardware will
+ * clear this bit automatically.
+ * In origin, the driver will clear this flag if there is
+ * no data need to be read.
+ */
+ if (sta & FTSDC010_STATUS_CMD_SEND)
+ break;
+ }
+
+ if (i > FTSDC010_CMD_RETRY) {
+ printf("%s: send command timeout\n", __func__);
+ return TIMEOUT;
+ }
+
+ /* check rsp status */
+ ret = ftsdc010_check_rsp(mmc, cmd, data);
+ if (ret)
+ return ret;
+
+ /* read response if we have RSP_OK */
+ if (ccon & FTSDC010_CMD_LONG_RSP) {
+ cmd->response[0] = readl(&host->reg->rsp3);
+ cmd->response[1] = readl(&host->reg->rsp2);
+ cmd->response[2] = readl(&host->reg->rsp1);
+ cmd->response[3] = readl(&host->reg->rsp0);
+ } else {
+ cmd->response[0] = readl(&host->reg->rsp0);
+ }
/* read/write data */
if (data && (data->flags & MMC_DATA_READ)) {
@@ -351,19 +376,11 @@ static int ftsdc010_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
data->blocksize * data->blocks);
}
- /* pio check response status */
- ret = ftsdc010_pio_check_status(mmc, cmd, data);
- if (!ret) {
- /* if it is long response */
- if (ccon & FTSDC010_CMD_LONG_RSP) {
- cmd->response[0] = readl(&host->reg->rsp3);
- cmd->response[1] = readl(&host->reg->rsp2);
- cmd->response[2] = readl(&host->reg->rsp1);
- cmd->response[3] = readl(&host->reg->rsp0);
-
- } else {
- cmd->response[0] = readl(&host->reg->rsp0);
- }
+ /* check data status */
+ if (data) {
+ ret = ftsdc010_check_data(mmc, cmd, data);
+ if (ret)
+ return ret;
}
udelay(FTSDC010_DELAY_UNIT);
@@ -431,8 +448,6 @@ static int ftsdc010_setup_data(struct mmc *mmc, struct mmc_data *data)
/* always reset fifo since last transfer may fail */
dcon |= FTSDC010_DCR_FIFO_RST;
- /* handle sdio */
- dcon = data->blocksize | data->blocks << 15;
if (data->blocks > 1)
dcon |= FTSDC010_SDIO_CTRL1_SDIO_BLK_MODE;
#endif
@@ -497,7 +512,7 @@ static void ftsdc010_set_clk(struct mmc *mmc)
{
struct mmc_host *host = mmc->priv;
unsigned char clk_div;
- unsigned char real_rate;
+ unsigned int real_rate;
unsigned int clock;
debug("%s: mmc_set_clock: %x\n", __func__, mmc->clock);
@@ -518,7 +533,7 @@ static void ftsdc010_set_clk(struct mmc *mmc)
break;
}
- debug("%s: computed real_rete: %x, clk_div: %x\n",
+ debug("%s: computed real_rate: %x, clk_div: %x\n",
__func__, real_rate, clk_div);
if (clk_div > 127)
@@ -579,6 +594,7 @@ static void ftsdc010_set_ios(struct mmc *mmc)
static void ftsdc010_reset(struct mmc_host *host)
{
unsigned int timeout;
+ unsigned int sta;
/* Do SDC_RST: Software reset for all register */
writel(FTSDC010_CMD_SDC_RST, &host->reg->cmd);
@@ -598,6 +614,10 @@ static void ftsdc010_reset(struct mmc_host *host)
timeout--;
udelay(10*FTSDC010_DELAY_UNIT);
}
+
+ sta = readl(&host->reg->status);
+ if (sta & FTSDC010_STATUS_CARD_CHANGE)
+ writel(FTSDC010_CLR_CARD_CHANGE, &host->reg->clr);
}
static int ftsdc010_core_init(struct mmc *mmc)
@@ -645,13 +665,12 @@ int ftsdc010_mmc_init(int dev_index)
mmc->send_cmd = ftsdc010_request;
mmc->set_ios = ftsdc010_set_ios;
mmc->init = ftsdc010_core_init;
+ mmc->getcd = NULL;
mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
mmc->host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT;
- mmc->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
-
mmc->f_min = CONFIG_SYS_CLK_FREQ / 2 / (2*128);
mmc->f_max = CONFIG_SYS_CLK_FREQ / 2 / 2;
diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c
index f346b24..4968c5e 100644
--- a/drivers/mmc/gen_atmel_mci.c
+++ b/drivers/mmc/gen_atmel_mci.c
@@ -337,6 +337,7 @@ int atmel_mci_init(void *regs)
mmc->send_cmd = mci_send_cmd;
mmc->set_ios = mci_set_ios;
mmc->init = mci_init;
+ mmc->getcd = NULL;
/* need to be able to pass these in on a board by board basis */
mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 21665ec..6db37b1 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -40,11 +40,11 @@
static struct list_head mmc_devices;
static int cur_dev_num = -1;
-int __board_mmc_getcd(u8 *cd, struct mmc *mmc) {
+int __board_mmc_getcd(struct mmc *mmc) {
return -1;
}
-int board_mmc_getcd(u8 *cd, struct mmc *mmc)__attribute__((weak,
+int board_mmc_getcd(struct mmc *mmc)__attribute__((weak,
alias("__board_mmc_getcd")));
int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
@@ -674,6 +674,18 @@ int mmc_switch_part(int dev_num, unsigned int part_num)
| (part_num & PART_ACCESS_MASK));
}
+int mmc_getcd(struct mmc *mmc)
+{
+ int cd;
+
+ cd = board_mmc_getcd(mmc);
+
+ if ((cd < 0) && mmc->getcd)
+ cd = mmc->getcd(mmc);
+
+ return cd;
+}
+
int sd_switch(struct mmc *mmc, int mode, int group, u8 value, u8 *resp)
{
struct mmc_cmd cmd;
@@ -785,6 +797,16 @@ retry_scr:
if (!(__be32_to_cpu(switch_status[3]) & SD_HIGHSPEED_SUPPORTED))
return 0;
+ /*
+ * If the host doesn't support SD_HIGHSPEED, do not switch card to
+ * HIGHSPEED mode even if the card support SD_HIGHSPPED.
+ * This can avoid furthur problem when the card runs in different
+ * mode between the host.
+ */
+ if (!((mmc->host_caps & MMC_MODE_HS_52MHz) &&
+ (mmc->host_caps & MMC_MODE_HS)))
+ return 0;
+
err = sd_switch(mmc, SD_SWITCH_SWITCH, 0, 1, (u8 *)switch_status);
if (err)
@@ -1192,6 +1214,12 @@ int mmc_init(struct mmc *mmc)
{
int err;
+ if (mmc_getcd(mmc) == 0) {
+ mmc->has_init = 0;
+ printf("MMC: no card present\n");
+ return NO_CARD_ERR;
+ }
+
if (mmc->has_init)
return 0;
diff --git a/drivers/mmc/mmc_spi.c b/drivers/mmc/mmc_spi.c
index 49fb9e0..de43a85 100644
--- a/drivers/mmc/mmc_spi.c
+++ b/drivers/mmc/mmc_spi.c
@@ -272,6 +272,7 @@ struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode)
mmc->send_cmd = mmc_spi_request;
mmc->set_ios = mmc_spi_set_ios;
mmc->init = mmc_spi_init_p;
+ mmc->getcd = NULL;
mmc->host_caps = MMC_MODE_SPI;
mmc->voltages = MMC_SPI_VOLTAGE;
diff --git a/drivers/mmc/mv_sdhci.c b/drivers/mmc/mv_sdhci.c
index 1501974..2fe34b6 100644
--- a/drivers/mmc/mv_sdhci.c
+++ b/drivers/mmc/mv_sdhci.c
@@ -44,8 +44,7 @@ int mv_sdh_init(u32 regbase, u32 max_clk, u32 min_clk, u32 quirks)
host->quirks = quirks;
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
memset(&mv_ops, 0, sizeof(struct sdhci_ops));
- if (mv_sdhci_writeb != NULL)
- mv_ops.write_b = mv_sdhci_writeb;
+ mv_ops.write_b = mv_sdhci_writeb;
host->ops = &mv_ops;
#endif
if (quirks & SDHCI_QUIRK_REG32_RW)
diff --git a/drivers/mmc/mxcmmc.c b/drivers/mmc/mxcmmc.c
index ab1fc82..8afb221 100644
--- a/drivers/mmc/mxcmmc.c
+++ b/drivers/mmc/mxcmmc.c
@@ -500,6 +500,7 @@ static int mxcmci_initialize(bd_t *bis)
mmc->send_cmd = mxcmci_request;
mmc->set_ios = mxcmci_set_ios;
mmc->init = mxcmci_init;
+ mmc->getcd = NULL;
mmc->host_caps = MMC_MODE_4BIT;
host->base = (struct mxcmci_regs *)CONFIG_MXC_MCI_REGS_BASE;
diff --git a/drivers/mmc/mxsmmc.c b/drivers/mmc/mxsmmc.c
index 2a9949e..5f87a1e 100644
--- a/drivers/mmc/mxsmmc.c
+++ b/drivers/mmc/mxsmmc.c
@@ -329,6 +329,7 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int))
mmc->send_cmd = mxsmmc_send_cmd;
mmc->set_ios = mxsmmc_set_ios;
mmc->init = mxsmmc_init;
+ mmc->getcd = NULL;
mmc->priv = priv;
mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index c38b9e6..ef64e37 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -472,6 +472,7 @@ int omap_mmc_init(int dev_index)
mmc->send_cmd = mmc_send_cmd;
mmc->set_ios = mmc_set_ios;
mmc->init = mmc_init_setup;
+ mmc->getcd = NULL;
switch (dev_index) {
case 0:
diff --git a/drivers/mmc/pxa_mmc_gen.c b/drivers/mmc/pxa_mmc_gen.c
index 4a7c67a..2c5bf17 100644
--- a/drivers/mmc/pxa_mmc_gen.c
+++ b/drivers/mmc/pxa_mmc_gen.c
@@ -411,6 +411,7 @@ int pxa_mmc_register(int card_index)
mmc->send_cmd = pxa_mmc_request;
mmc->set_ios = pxa_mmc_set_ios;
mmc->init = pxa_mmc_init;
+ mmc->getcd = NULL;
mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
mmc->f_max = PXAMMC_MAX_SPEED;
diff --git a/drivers/mmc/s5p_mmc.c b/drivers/mmc/s5p_mmc.c
index 7786ecf..4ae3aaf 100644
--- a/drivers/mmc/s5p_mmc.c
+++ b/drivers/mmc/s5p_mmc.c
@@ -463,6 +463,7 @@ static int s5p_mmc_initialize(int dev_index, int bus_width)
mmc->send_cmd = mmc_send_cmd;
mmc->set_ios = mmc_set_ios;
mmc->init = mmc_core_init;
+ mmc->getcd = NULL;
mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
if (bus_width == 8)
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index fce0ef0..fc904b5 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -390,6 +390,7 @@ int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk)
mmc->send_cmd = sdhci_send_command;
mmc->set_ios = sdhci_set_ios;
mmc->init = sdhci_init;
+ mmc->getcd = NULL;
caps = sdhci_readl(host, SDHCI_CAPABILITIES);
#ifdef CONFIG_MMC_SDMA
diff --git a/drivers/mmc/sh_mmcif.c b/drivers/mmc/sh_mmcif.c
index 567e2cb..2835e24 100644
--- a/drivers/mmc/sh_mmcif.c
+++ b/drivers/mmc/sh_mmcif.c
@@ -598,6 +598,7 @@ int mmcif_mmc_init(void)
mmc->send_cmd = sh_mmcif_request;
mmc->set_ios = sh_mmcif_set_ios;
mmc->init = sh_mmcif_init;
+ mmc->getcd = NULL;
host->regs = (struct sh_mmcif_regs *)CONFIG_SH_MMCIF_ADDR;
host->clk = CONFIG_SH_MMCIF_CLK;
mmc->priv = host;
diff --git a/drivers/mmc/tegra2_mmc.c b/drivers/mmc/tegra2_mmc.c
index 035a868..5b4c9f6 100644
--- a/drivers/mmc/tegra2_mmc.c
+++ b/drivers/mmc/tegra2_mmc.c
@@ -474,6 +474,18 @@ static int mmc_core_init(struct mmc *mmc)
return 0;
}
+int tegra2_mmc_getcd(struct mmc *mmc)
+{
+ struct mmc_host *host = (struct mmc_host *)mmc->priv;
+
+ debug("tegra2_mmc_getcd called\n");
+
+ if (host->cd_gpio >= 0)
+ return !gpio_get_value(host->cd_gpio);
+
+ return 1;
+}
+
int tegra2_mmc_init(int dev_index, int bus_width, int pwr_gpio, int cd_gpio)
{
struct mmc_host *host;
@@ -512,6 +524,7 @@ int tegra2_mmc_init(int dev_index, int bus_width, int pwr_gpio, int cd_gpio)
mmc->send_cmd = mmc_send_cmd;
mmc->set_ios = mmc_set_ios;
mmc->init = mmc_core_init;
+ mmc->getcd = tegra2_mmc_getcd;
mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
if (bus_width == 8)
@@ -535,22 +548,3 @@ int tegra2_mmc_init(int dev_index, int bus_width, int pwr_gpio, int cd_gpio)
return 0;
}
-
-/* this is a weak define that we are overriding */
-int board_mmc_getcd(u8 *cd, struct mmc *mmc)
-{
- struct mmc_host *host = (struct mmc_host *)mmc->priv;
-
- debug("board_mmc_getcd called\n");
-
- *cd = 1; /* Assume card is inserted, or eMMC */
-
- if (IS_SD(mmc)) {
- if (host->cd_gpio >= 0) {
- if (gpio_get_value(host->cd_gpio))
- *cd = 0;
- }
- }
-
- return 0;
-}
diff --git a/include/mmc.h b/include/mmc.h
index 015a7f3..8744604 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -302,6 +302,7 @@ struct mmc {
struct mmc_cmd *cmd, struct mmc_data *data);
void (*set_ios)(struct mmc *mmc);
int (*init)(struct mmc *mmc);
+ int (*getcd)(struct mmc *mmc);
uint b_max;
};
@@ -314,8 +315,9 @@ struct mmc *find_mmc_device(int dev_num);
int mmc_set_dev(int dev_num);
void print_mmc_devices(char separator);
int get_mmc_num(void);
-int board_mmc_getcd(u8 *cd, struct mmc *mmc);
+int board_mmc_getcd(struct mmc *mmc);
int mmc_switch_part(int dev_num, unsigned int part_num);
+int mmc_getcd(struct mmc *mmc);
#ifdef CONFIG_GENERIC_MMC
int atmel_mci_init(void *regs);
generated by cgit v1.1 at 2024-12-22 12:44:25 +0000