redonkable/remarkable-uboot
redonkable/remarkable-uboot
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Merge branch 'master' of /home/wd/git/u-boot/custodians

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* 'master' of /home/wd/git/u-boot/custodians:
  fsl_esdhc: fix PIO mode transfers
  mmc: tegra2: Implement card-detect hook.
  mmc: fsl_esdhc: Implement card-detect hook.
  mmc: Implement card detection.
  mmc: Change board_mmc_getcd() function prototype.
  drivers/mmc/mv_sdhci.c: Fix build warning
  ftsdc010: improve performance and capability
  mmc: add host_caps checking avoid switch card improperly
  i.mx: fsl_esdhc: add the i.mx6q support
This commit is contained in:
Wolfgang Denk 2012-01-13 20:05:47 +01:00
parent d0b8feef8b 8eee2bd7f4
commit 6d7ba2cef5
26 changed files with 217 additions and 172 deletions
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9
board/efikamx/efikamx.c
View file

@ -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)

12
board/emk/top9000/top9000.c
View file

@ -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

9
board/freescale/mx51evk/mx51evk.c
View file

@ -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)

9
board/freescale/mx53ard/mx53ard.c
View file

@ -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)

9
board/freescale/mx53evk/mx53evk.c
View file

@ -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)

9
board/freescale/mx53loco/mx53loco.c
View file

@ -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)

6
board/freescale/mx53smd/mx53smd.c
View file

@ -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)

12
doc/README.atmel_mci
View file

@ -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

1
drivers/mmc/arm_pl180_mmci.c
View file

@ -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;

1
drivers/mmc/bfin_sdh.c
View file

@ -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;

1
drivers/mmc/davinci_mmc.c
View file

@ -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;

42
drivers/mmc/fsl_esdhc.c
View file

@ -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;
return ret;
while (!(esdhc_read32(&regs->prsstat) & PRSSTAT_CINS) && --timeout)
udelay(1000);
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;

189
drivers/mmc/ftsdc010_esdhc.c
View file

@ -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;

1
drivers/mmc/gen_atmel_mci.c
View file

@ -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;

32
drivers/mmc/mmc.c
View file

@ -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;

1
drivers/mmc/mmc_spi.c
View file

@ -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;

3
drivers/mmc/mv_sdhci.c
View file

@ -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)

1
drivers/mmc/mxcmmc.c
View file

@ -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;

1
drivers/mmc/mxsmmc.c
View file

@ -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;

1
drivers/mmc/omap_hsmmc.c
View file

@ -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:

1
drivers/mmc/pxa_mmc_gen.c
View file

@ -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;

1
drivers/mmc/s5p_mmc.c
View file

@ -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)

1
drivers/mmc/sdhci.c
View file

@ -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

1
drivers/mmc/sh_mmcif.c
View file

@ -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;

32
drivers/mmc/tegra2_mmc.c
View file

@ -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;
}

4
include/mmc.h
View file

@ -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);