unsigned char mmc_clock_config(unsigned int iclk, unsigned short clk_div)
{
unsigned int val;
mmc_reg_out(&mmc_base->sysctl, (ICE_MASK | DTO_MASK | CEN_MASK),
(ICE_STOP | DTO_15THDTO | CEN_DISABLE));
switch (iclk) {
case CLK_INITSEQ:
val = MMC_INIT_SEQ_CLK / 2;
break;
case CLK_400KHZ:
val = MMC_400kHz_CLK;
break;
case CLK_MISC:
val = clk_div;
break;
default:
return 0;
}
mmc_reg_out(&mmc_base->sysctl, ICE_MASK | CLKD_MASK,
(val << CLKD_OFFSET) | ICE_OSCILLATE);
while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY);
writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);
return 1;
}
unsigned char mmc_clock_config(unsigned int iclk, unsigned short clk_div)
{
unsigned int val;
mmc_reg_out(OMAP_HSMMC_SYSCTL, (ICE_MASK | DTO_MASK | CEN_MASK),
(ICE_STOP | DTO_15THDTO | CEN_DISABLE));
switch (iclk) {
case CLK_INITSEQ:
val = MMC_INIT_SEQ_CLK / 2;
break;
case CLK_400KHZ:
val = MMC_400kHz_CLK;
break;
case CLK_MISC:
val = clk_div;
break;
default:
return 0;
}
mmc_reg_out(OMAP_HSMMC_SYSCTL,
ICE_MASK | CLKD_MASK, (val << CLKD_OFFSET) | ICE_OSCILLATE);
while ((OMAP_HSMMC_SYSCTL & ICS_MASK) == ICS_NOTREADY) {
}
OMAP_HSMMC_SYSCTL |= CEN_ENABLE;
return 1;
}
void
CmtSdCard::ClockConfig( OMAP_MMCHS_REGS *mmc, uint32 iclk, uint32 clk_div ) {
uint32 val;
mmc_reg_out( mmc->MMCHS_SYSCTL, (ICE_MASK | DTO_MASK | CEN_MASK), (ICE_STOP | DTO_15THDTO | CEN_DISABLE) );
switch (iclk) {
case CLK_INITSEQ:
val = MMC_INIT_SEQ_CLK / 2;
break;
case CLK_400KHZ:
val = MMC_400kHz_CLK;
break;
case CLK_MISC:
val = clk_div;
break;
default:
return;
}
mmc_reg_out( mmc->MMCHS_SYSCTL, ICE_MASK | CLKD_MASK, (val << CLKD_OFFSET) | ICE_OSCILLATE );
while( (__raw_readl( &(mmc->MMCHS_SYSCTL) ) & ICS_MASK) == ICS_NOTREADY );
mmc->MMCHS_SYSCTL |= CEN_ENABLE;
}
static void mmc_set_ios(struct mmc *mmc)
{
puts(__FUNCTION__);
struct hsmmc *mmc_base;
unsigned int dsor = 0;
ulong start;
mmc_base = ((struct omap_hsmmc_data *)mmc->priv)->base_addr;
printf("mmc bus width: %d\n", mmc->bus_width);
/* configue bus width */
switch (mmc->bus_width) {
case 8:
writel(readl(&mmc_base->con) | DTW_8_BITMODE,
&mmc_base->con);
break;
case 4:
writel(readl(&mmc_base->con) & ~DTW_8_BITMODE,
&mmc_base->con);
writel(readl(&mmc_base->hctl) | DTW_4_BITMODE,
&mmc_base->hctl);
break;
case 1:
default:
writel(readl(&mmc_base->con) & ~DTW_8_BITMODE,
&mmc_base->con);
writel(readl(&mmc_base->hctl) & ~DTW_4_BITMODE,
&mmc_base->hctl);
break;
}
/* configure clock with 96Mhz system clock.
*/
printf("mmc clock: %d\n", mmc->clock);
if (mmc->clock != 0) {
dsor = (MMC_CLOCK_REFERENCE * 1000000 / mmc->clock);
if ((MMC_CLOCK_REFERENCE * 1000000) / dsor > mmc->clock)
dsor++;
}
mmc_reg_out(&mmc_base->sysctl, (ICE_MASK | DTO_MASK | CEN_MASK),
(ICE_STOP | DTO_15THDTO | CEN_DISABLE));
mmc_reg_out(&mmc_base->sysctl, ICE_MASK | CLKD_MASK,
(dsor << CLKD_OFFSET) | ICE_OSCILLATE);
start = get_timer(0);
while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY) {
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for ics!\n", __func__);
return;
}
}
writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);
}
static void mmc_set_ios(struct mmc *mmc)
{
hsmmc_t *mmc_base = (hsmmc_t *)mmc->priv;
unsigned int dsor = 0;
/* configue bus width */
switch (mmc->bus_width) {
case 8:
writel(readl(&mmc_base->con) | DTW_8_BITMODE,
&mmc_base->con);
break;
case 4:
writel(readl(&mmc_base->con) & ~DTW_8_BITMODE,
&mmc_base->con);
writel(readl(&mmc_base->hctl) | DTW_4_BITMODE,
&mmc_base->hctl);
break;
case 1:
default:
writel(readl(&mmc_base->con) & ~DTW_8_BITMODE,
&mmc_base->con);
writel(readl(&mmc_base->hctl) & ~DTW_4_BITMODE,
&mmc_base->hctl);
break;
}
/* configure clock with 96Mhz system clock.
*/
if (mmc->clock != 0) {
dsor = (MMC_CLOCK_REFERENCE * 1000000 / mmc->clock);
if ((MMC_CLOCK_REFERENCE * 1000000) / dsor > mmc->clock)
dsor++;
}
mmc_reg_out(&mmc_base->sysctl, (ICE_MASK | DTO_MASK | CEN_MASK),
(ICE_STOP | DTO_15THDTO | CEN_DISABLE));
mmc_reg_out(&mmc_base->sysctl, ICE_MASK | CLKD_MASK,
(dsor << CLKD_OFFSET) | ICE_OSCILLATE);
while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY)
;
writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);
}
static int mmc_init_setup(struct mmc *mmc)
{
hsmmc_t *mmc_base = (hsmmc_t *)mmc->priv;
unsigned int reg_val;
unsigned int dsor;
mmc_board_init(mmc_base);
writel(readl(&mmc_base->sysconfig) | MMC_SOFTRESET,
&mmc_base->sysconfig);
while ((readl(&mmc_base->sysstatus) & RESETDONE) == 0)
;
writel(readl(&mmc_base->sysctl) | SOFTRESETALL, &mmc_base->sysctl);
while ((readl(&mmc_base->sysctl) & SOFTRESETALL) != 0x0)
;
writel(DTW_1_BITMODE | SDBP_PWROFF | SDVS_3V0, &mmc_base->hctl);
writel(readl(&mmc_base->capa) | VS30_3V0SUP | VS18_1V8SUP,
&mmc_base->capa);
reg_val = readl(&mmc_base->con) & RESERVED_MASK;
writel(CTPL_MMC_SD | reg_val | WPP_ACTIVEHIGH | CDP_ACTIVEHIGH |
MIT_CTO | DW8_1_4BITMODE | MODE_FUNC | STR_BLOCK |
HR_NOHOSTRESP | INIT_NOINIT | NOOPENDRAIN, &mmc_base->con);
dsor = 240;
mmc_reg_out(&mmc_base->sysctl, (ICE_MASK | DTO_MASK | CEN_MASK),
(ICE_STOP | DTO_15THDTO | CEN_DISABLE));
mmc_reg_out(&mmc_base->sysctl, ICE_MASK | CLKD_MASK,
(dsor << CLKD_OFFSET) | ICE_OSCILLATE);
while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY)
;
writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);
writel(readl(&mmc_base->hctl) | SDBP_PWRON, &mmc_base->hctl);
writel(IE_BADA | IE_CERR | IE_DEB | IE_DCRC | IE_DTO | IE_CIE |
IE_CEB | IE_CCRC | IE_CTO | IE_BRR | IE_BWR | IE_TC | IE_CC,
&mmc_base->ie);
mmc_init_stream(mmc_base);
return 0;
}
/*
* MMC controller internal finite state machine reset
*
* Used to reset command or data internal state machines, using respectively
* SRC or SRD bit of SYSCTL register
*/
static void mmc_reset_controller_fsm(struct hsmmc *mmc_base, u32 bit)
{
ulong start;
mmc_reg_out(&mmc_base->sysctl, bit, bit);
start = get_timer(0);
while ((readl(&mmc_base->sysctl) & bit) != 0) {
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for sysctl %x to clear\n",
__func__, bit);
return;
}
}
}
/*
* MMC controller internal finite state machine reset
*
* Used to reset command or data internal state machines, using respectively
* SRC or SRD bit of SYSCTL register
*/
static void mmc_reset_controller_fsm(struct hsmmc *mmc_base, u32 bit)
{
ulong start;
mmc_reg_out(&mmc_base->sysctl, bit, bit);
/*
* CMD(DAT) lines reset procedures are slightly different
* for OMAP3 and OMAP4(AM335x,OMAP5,DRA7xx).
* According to OMAP3 TRM:
* Set SRC(SRD) bit in MMCHS_SYSCTL register to 0x1 and wait until it
* returns to 0x0.
* According to OMAP4(AM335x,OMAP5,DRA7xx) TRMs, CMD(DATA) lines reset
* procedure steps must be as follows:
* 1. Initiate CMD(DAT) line reset by writing 0x1 to SRC(SRD) bit in
* MMCHS_SYSCTL register (SD_SYSCTL for AM335x).
* 2. Poll the SRC(SRD) bit until it is set to 0x1.
* 3. Wait until the SRC (SRD) bit returns to 0x0
* (reset procedure is completed).
*/
#if defined(CONFIG_OMAP44XX) || defined(CONFIG_OMAP54XX) || \
defined(CONFIG_AM33XX) || defined(CONFIG_AM43XX)
if (!(readl(&mmc_base->sysctl) & bit)) {
start = get_timer(0);
while (!(readl(&mmc_base->sysctl) & bit)) {
if (get_timer(0) - start > MAX_RETRY_MS)
return;
}
}
#endif
start = get_timer(0);
while ((readl(&mmc_base->sysctl) & bit) != 0) {
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for sysctl %x to clear\n",
__func__, bit);
return;
}
}
}
static int omap_hsmmc_init_setup(struct mmc *mmc)
{
struct hsmmc *mmc_base;
unsigned int reg_val;
unsigned int dsor;
ulong start;
mmc_base = ((struct omap_hsmmc_data *)mmc->priv)->base_addr;
mmc_board_init(mmc);
writel(readl(&mmc_base->sysconfig) | MMC_SOFTRESET,
&mmc_base->sysconfig);
start = get_timer(0);
while ((readl(&mmc_base->sysstatus) & RESETDONE) == 0) {
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for cc2!\n", __func__);
return -ETIMEDOUT;
}
}
writel(readl(&mmc_base->sysctl) | SOFTRESETALL, &mmc_base->sysctl);
start = get_timer(0);
while ((readl(&mmc_base->sysctl) & SOFTRESETALL) != 0x0) {
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for softresetall!\n",
__func__);
return -ETIMEDOUT;
}
}
writel(DTW_1_BITMODE | SDBP_PWROFF | SDVS_3V0, &mmc_base->hctl);
writel(readl(&mmc_base->capa) | VS30_3V0SUP | VS18_1V8SUP,
&mmc_base->capa);
reg_val = readl(&mmc_base->con) & RESERVED_MASK;
writel(CTPL_MMC_SD | reg_val | WPP_ACTIVEHIGH | CDP_ACTIVEHIGH |
MIT_CTO | DW8_1_4BITMODE | MODE_FUNC | STR_BLOCK |
HR_NOHOSTRESP | INIT_NOINIT | NOOPENDRAIN, &mmc_base->con);
dsor = 240;
mmc_reg_out(&mmc_base->sysctl, (ICE_MASK | DTO_MASK | CEN_MASK),
(ICE_STOP | DTO_15THDTO | CEN_DISABLE));
mmc_reg_out(&mmc_base->sysctl, ICE_MASK | CLKD_MASK,
(dsor << CLKD_OFFSET) | ICE_OSCILLATE);
start = get_timer(0);
while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY) {
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for ics!\n", __func__);
return -ETIMEDOUT;
}
}
writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);
writel(readl(&mmc_base->hctl) | SDBP_PWRON, &mmc_base->hctl);
writel(IE_BADA | IE_CERR | IE_DEB | IE_DCRC | IE_DTO | IE_CIE |
IE_CEB | IE_CCRC | IE_CTO | IE_BRR | IE_BWR | IE_TC | IE_CC,
&mmc_base->ie);
mmc_init_stream(mmc_base);
return 0;
}
static int mmc_init_setup(struct mmc *mmc)
{
hsmmc_t *mmc_base = (hsmmc_t *)mmc->priv;
unsigned int reg_val;
unsigned int dsor;
unsigned int sdio_mode = (mmc_base == (hsmmc_t *)OMAP_SDIO_BASE)? 1 : 0;
ulong start;
mmc_board_init(mmc_base);
writel(readl(&mmc_base->sysconfig) | MMC_SOFTRESET,
&mmc_base->sysconfig);
start = get_timer(0);
while ((readl(&mmc_base->sysstatus) & RESETDONE) == 0) {
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for cc2!\n", __func__);
return TIMEOUT;
}
}
writel(readl(&mmc_base->sysctl) | SOFTRESETALL, &mmc_base->sysctl);
start = get_timer(0);
while ((readl(&mmc_base->sysctl) & SOFTRESETALL) != 0x0) {
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for softresetall!\n",
__func__);
return TIMEOUT;
}
}
if (sdio_mode) {
writel(0x00000C00, &mmc_base->hctl);
writel(0x200, &mmc_base->blk);
} else
writel(DTW_1_BITMODE | SDBP_PWROFF | SDVS_3V0, &mmc_base->hctl);
writel(readl(&mmc_base->capa) | VS30_3V0SUP | VS18_1V8SUP,
&mmc_base->capa);
if (sdio_mode) {
reg_val = readl(&mmc_base->con) & (0x3 << 9);
writel(reg_val, &mmc_base->con);
} else {
reg_val = readl(&mmc_base->con) & RESERVED_MASK;
writel(CTPL_MMC_SD | reg_val | WPP_ACTIVEHIGH | CDP_ACTIVEHIGH |
MIT_CTO | DW8_1_4BITMODE | MODE_FUNC | STR_BLOCK |
HR_NOHOSTRESP | INIT_NOINIT | NOOPENDRAIN, &mmc_base->con);
}
if (sdio_mode)
dsor = 600;
else
dsor = 240;
mmc_reg_out(&mmc_base->sysctl, (ICE_MASK | DTO_MASK | CEN_MASK),
(ICE_STOP | DTO_15THDTO | CEN_DISABLE));
mmc_reg_out(&mmc_base->sysctl, ICE_MASK | CLKD_MASK,
(dsor << CLKD_OFFSET) | ICE_OSCILLATE);
start = get_timer(0);
while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY) {
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for ics!\n", __func__);
return TIMEOUT;
}
}
writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);
writel(readl(&mmc_base->hctl) | SDBP_PWRON, &mmc_base->hctl);
/* Enable Interrupts */
writel(IE_BADA | IE_CERR | IE_DEB | IE_DCRC | IE_DTO | IE_CIE |
IE_CEB | IE_CCRC | IE_CTO | IE_BRR | IE_BWR | IE_TC | IE_CC,
&mmc_base->ie);
mmc_init_stream(mmc_base);
return 0;
}
static int omap_hsmmc_set_ios(struct mmc *mmc)
{
struct omap_hsmmc_data *priv = omap_hsmmc_get_data(mmc);
#else
static int omap_hsmmc_set_ios(struct udevice *dev)
{
struct omap_hsmmc_data *priv = dev_get_priv(dev);
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
struct mmc *mmc = upriv->mmc;
#endif
struct hsmmc *mmc_base;
unsigned int dsor = 0;
ulong start;
mmc_base = priv->base_addr;
/* configue bus width */
switch (mmc->bus_width) {
case 8:
writel(readl(&mmc_base->con) | DTW_8_BITMODE,
&mmc_base->con);
break;
case 4:
writel(readl(&mmc_base->con) & ~DTW_8_BITMODE,
&mmc_base->con);
writel(readl(&mmc_base->hctl) | DTW_4_BITMODE,
&mmc_base->hctl);
break;
case 1:
default:
writel(readl(&mmc_base->con) & ~DTW_8_BITMODE,
&mmc_base->con);
writel(readl(&mmc_base->hctl) & ~DTW_4_BITMODE,
&mmc_base->hctl);
break;
}
/* configure clock with 96Mhz system clock.
*/
if (mmc->clock != 0) {
dsor = (MMC_CLOCK_REFERENCE * 1000000 / mmc->clock);
if ((MMC_CLOCK_REFERENCE * 1000000) / dsor > mmc->clock)
dsor++;
}
mmc_reg_out(&mmc_base->sysctl, (ICE_MASK | DTO_MASK | CEN_MASK),
(ICE_STOP | DTO_15THDTO | CEN_DISABLE));
mmc_reg_out(&mmc_base->sysctl, ICE_MASK | CLKD_MASK,
(dsor << CLKD_OFFSET) | ICE_OSCILLATE);
start = get_timer(0);
while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY) {
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for ics!\n", __func__);
return -ETIMEDOUT;
}
}
writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);
return 0;
}
#ifdef OMAP_HSMMC_USE_GPIO
#if CONFIG_IS_ENABLED(DM_MMC)
static int omap_hsmmc_getcd(struct udevice *dev)
{
struct omap_hsmmc_data *priv = dev_get_priv(dev);
int value;
value = dm_gpio_get_value(&priv->cd_gpio);
/* if no CD return as 1 */
if (value < 0)
return 1;
if (priv->cd_inverted)
return !value;
return value;
}
static int omap_hsmmc_getwp(struct udevice *dev)
{
struct omap_hsmmc_data *priv = dev_get_priv(dev);
int value;
value = dm_gpio_get_value(&priv->wp_gpio);
/* if no WP return as 0 */
if (value < 0)
return 0;
return value;
}
#else
static int omap_hsmmc_getcd(struct mmc *mmc)
{
struct omap_hsmmc_data *priv = omap_hsmmc_get_data(mmc);
int cd_gpio;
/* if no CD return as 1 */
cd_gpio = priv->cd_gpio;
if (cd_gpio < 0)
return 1;
/* NOTE: assumes card detect signal is active-low */
return !gpio_get_value(cd_gpio);
}
static int omap_hsmmc_getwp(struct mmc *mmc)
{
struct omap_hsmmc_data *priv = omap_hsmmc_get_data(mmc);
int wp_gpio;
/* if no WP return as 0 */
wp_gpio = priv->wp_gpio;
if (wp_gpio < 0)
return 0;
/* NOTE: assumes write protect signal is active-high */
return gpio_get_value(wp_gpio);
}
#endif
#endif
#if CONFIG_IS_ENABLED(DM_MMC)
static const struct dm_mmc_ops omap_hsmmc_ops = {
.send_cmd = omap_hsmmc_send_cmd,
.set_ios = omap_hsmmc_set_ios,
#ifdef OMAP_HSMMC_USE_GPIO
.get_cd = omap_hsmmc_getcd,
.get_wp = omap_hsmmc_getwp,
#endif
};
#else
static const struct mmc_ops omap_hsmmc_ops = {
.send_cmd = omap_hsmmc_send_cmd,
.set_ios = omap_hsmmc_set_ios,
.init = omap_hsmmc_init_setup,
#ifdef OMAP_HSMMC_USE_GPIO
.getcd = omap_hsmmc_getcd,
.getwp = omap_hsmmc_getwp,
#endif
};
#endif
#if !CONFIG_IS_ENABLED(DM_MMC)
int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
int wp_gpio)
{
struct mmc *mmc;
struct omap_hsmmc_data *priv;
struct mmc_config *cfg;
uint host_caps_val;
priv = malloc(sizeof(*priv));
if (priv == NULL)
return -1;
host_caps_val = MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS;
switch (dev_index) {
case 0:
priv->base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE;
break;
#ifdef OMAP_HSMMC2_BASE
case 1:
priv->base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE;
#if (defined(CONFIG_OMAP44XX) || defined(CONFIG_OMAP54XX) || \
defined(CONFIG_DRA7XX) || defined(CONFIG_AM33XX) || \
defined(CONFIG_AM43XX) || defined(CONFIG_SOC_KEYSTONE)) && \
defined(CONFIG_HSMMC2_8BIT)
/* Enable 8-bit interface for eMMC on OMAP4/5 or DRA7XX */
host_caps_val |= MMC_MODE_8BIT;
#endif
break;
#endif
#ifdef OMAP_HSMMC3_BASE
case 2:
priv->base_addr = (struct hsmmc *)OMAP_HSMMC3_BASE;
#if defined(CONFIG_DRA7XX) && defined(CONFIG_HSMMC3_8BIT)
/* Enable 8-bit interface for eMMC on DRA7XX */
host_caps_val |= MMC_MODE_8BIT;
#endif
break;
#endif
default:
priv->base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE;
return 1;
}
#ifdef OMAP_HSMMC_USE_GPIO
/* on error gpio values are set to -1, which is what we want */
priv->cd_gpio = omap_mmc_setup_gpio_in(cd_gpio, "mmc_cd");
priv->wp_gpio = omap_mmc_setup_gpio_in(wp_gpio, "mmc_wp");
#endif
cfg = &priv->cfg;
cfg->name = "OMAP SD/MMC";
cfg->ops = &omap_hsmmc_ops;
cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
cfg->host_caps = host_caps_val & ~host_caps_mask;
cfg->f_min = 400000;
if (f_max != 0)
cfg->f_max = f_max;
else {
if (cfg->host_caps & MMC_MODE_HS) {
if (cfg->host_caps & MMC_MODE_HS_52MHz)
cfg->f_max = 52000000;
else
cfg->f_max = 26000000;
} else
cfg->f_max = 20000000;
}
cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
#if defined(CONFIG_OMAP34XX)
/*
* Silicon revs 2.1 and older do not support multiblock transfers.
*/
if ((get_cpu_family() == CPU_OMAP34XX) && (get_cpu_rev() <= CPU_3XX_ES21))
cfg->b_max = 1;
#endif
mmc = mmc_create(cfg, priv);
if (mmc == NULL)
return -1;
return 0;
}
#else
#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
static int omap_hsmmc_ofdata_to_platdata(struct udevice *dev)
{
struct omap_hsmmc_plat *plat = dev_get_platdata(dev);
struct mmc_config *cfg = &plat->cfg;
struct omap2_mmc_platform_config *data =
(struct omap2_mmc_platform_config *)dev_get_driver_data(dev);
const void *fdt = gd->fdt_blob;
int node = dev_of_offset(dev);
int val;
plat->base_addr = map_physmem(devfdt_get_addr(dev),
sizeof(struct hsmmc *),
MAP_NOCACHE) + data->reg_offset;
cfg->host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS;
val = fdtdec_get_int(fdt, node, "bus-width", -1);
if (val < 0) {
printf("error: bus-width property missing\n");
return -ENOENT;
}
switch (val) {
case 0x8:
cfg->host_caps |= MMC_MODE_8BIT;
case 0x4:
cfg->host_caps |= MMC_MODE_4BIT;
break;
default:
printf("error: invalid bus-width property\n");
return -ENOENT;
}
cfg->f_min = 400000;
cfg->f_max = fdtdec_get_int(fdt, node, "max-frequency", 52000000);
cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
#ifdef OMAP_HSMMC_USE_GPIO
plat->cd_inverted = fdtdec_get_bool(fdt, node, "cd-inverted");
#endif
return 0;
}
#endif
#ifdef CONFIG_BLK
static int omap_hsmmc_bind(struct udevice *dev)
{
struct omap_hsmmc_plat *plat = dev_get_platdata(dev);
return mmc_bind(dev, &plat->mmc, &plat->cfg);
}
#endif
static int omap_hsmmc_probe(struct udevice *dev)
{
struct omap_hsmmc_plat *plat = dev_get_platdata(dev);
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
struct omap_hsmmc_data *priv = dev_get_priv(dev);
struct mmc_config *cfg = &plat->cfg;
struct mmc *mmc;
cfg->name = "OMAP SD/MMC";
priv->base_addr = plat->base_addr;
#ifdef OMAP_HSMMC_USE_GPIO
priv->cd_inverted = plat->cd_inverted;
#endif
#ifdef CONFIG_BLK
mmc = &plat->mmc;
#else
mmc = mmc_create(cfg, priv);
if (mmc == NULL)
return -1;
#endif
#if defined(OMAP_HSMMC_USE_GPIO) && CONFIG_IS_ENABLED(OF_CONTROL)
gpio_request_by_name(dev, "cd-gpios", 0, &priv->cd_gpio, GPIOD_IS_IN);
gpio_request_by_name(dev, "wp-gpios", 0, &priv->wp_gpio, GPIOD_IS_IN);
#endif
mmc->dev = dev;
upriv->mmc = mmc;
return omap_hsmmc_init_setup(mmc);
}
#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
static const struct omap2_mmc_platform_config omap3_mmc_pdata = {
.reg_offset = 0,
};
static const struct omap2_mmc_platform_config am33xx_mmc_pdata = {
.reg_offset = 0x100,
};
static const struct omap2_mmc_platform_config omap4_mmc_pdata = {
.reg_offset = 0x100,
};
static const struct udevice_id omap_hsmmc_ids[] = {
{
.compatible = "ti,omap3-hsmmc",
.data = (ulong)&omap3_mmc_pdata
},
{
.compatible = "ti,omap4-hsmmc",
.data = (ulong)&omap4_mmc_pdata
},
{
.compatible = "ti,am33xx-hsmmc",
.data = (ulong)&am33xx_mmc_pdata
},
{ }
};