#include <asm/gpio.h>
#include <asm/arch/sys_proto.h>
#endif
+#ifdef CONFIG_MMC_OMAP36XX_PINS
+#include <asm/arch/mux.h>
+#endif
#include <dm.h>
DECLARE_GLOBAL_DATA_PTR;
#define SYSCTL_SRC (1 << 25)
#define SYSCTL_SRD (1 << 26)
+struct omap_hsmmc_plat {
+ struct mmc_config cfg;
+ struct mmc mmc;
+};
+
struct omap_hsmmc_data {
struct hsmmc *base_addr;
+#ifndef CONFIG_DM_MMC
struct mmc_config cfg;
+#endif
#ifdef OMAP_HSMMC_USE_GPIO
#ifdef CONFIG_DM_MMC
struct gpio_desc cd_gpio; /* Change Detect GPIO */
static int mmc_write_data(struct hsmmc *mmc_base, const char *buf,
unsigned int siz);
-#if defined(OMAP_HSMMC_USE_GPIO) && !defined(CONFIG_DM_MMC)
+static inline struct omap_hsmmc_data *omap_hsmmc_get_data(struct mmc *mmc)
+{
+#ifdef CONFIG_DM_MMC
+ return dev_get_priv(mmc->dev);
+#else
+ return (struct omap_hsmmc_data *)mmc->priv;
+#endif
+}
+static inline struct mmc_config *omap_hsmmc_get_cfg(struct mmc *mmc)
+{
+#ifdef CONFIG_DM_MMC
+ struct omap_hsmmc_plat *plat = dev_get_platdata(mmc->dev);
+ return &plat->cfg;
+#else
+ return &((struct omap_hsmmc_data *)mmc->priv)->cfg;
+#endif
+}
+
+ #if defined(OMAP_HSMMC_USE_GPIO) && !defined(CONFIG_DM_MMC)
static int omap_mmc_setup_gpio_in(int gpio, const char *label)
{
int ret;
}
#endif
-#if defined(CONFIG_OMAP44XX)
-static void omap4_vmmc_pbias_config(struct mmc *mmc)
-{
- u32 value = 0;
-
- value = readl((*ctrl)->control_pbiaslite);
- value &= ~(MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ);
- writel(value, (*ctrl)->control_pbiaslite);
- value = readl((*ctrl)->control_pbiaslite);
- value |= MMC1_PBIASLITE_VMODE | MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ;
- writel(value, (*ctrl)->control_pbiaslite);
-}
-#endif
-
-#if defined(CONFIG_OMAP54XX) && defined(CONFIG_PALMAS_POWER)
-static void omap5_pbias_config(struct mmc *mmc)
-{
- u32 value = 0;
-
- value = readl((*ctrl)->control_pbias);
- value &= ~SDCARD_PWRDNZ;
- writel(value, (*ctrl)->control_pbias);
- udelay(10); /* wait 10 us */
- value &= ~SDCARD_BIAS_PWRDNZ;
- writel(value, (*ctrl)->control_pbias);
-
- palmas_mmc1_poweron_ldo();
-
- value = readl((*ctrl)->control_pbias);
- value |= SDCARD_BIAS_PWRDNZ;
- writel(value, (*ctrl)->control_pbias);
- udelay(150); /* wait 150 us */
- value |= SDCARD_PWRDNZ;
- writel(value, (*ctrl)->control_pbias);
- udelay(150); /* wait 150 us */
-}
-#endif
-
static unsigned char mmc_board_init(struct mmc *mmc)
{
#if defined(CONFIG_OMAP34XX)
+ struct mmc_config *cfg = omap_hsmmc_get_cfg(mmc);
t2_t *t2_base = (t2_t *)T2_BASE;
struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
u32 pbias_lite;
+#ifdef CONFIG_MMC_OMAP36XX_PINS
+ u32 wkup_ctrl = readl(OMAP34XX_CTRL_WKUP_CTRL);
+#endif
pbias_lite = readl(&t2_base->pbias_lite);
pbias_lite &= ~(PBIASLITEPWRDNZ1 | PBIASLITEPWRDNZ0);
#ifdef CONFIG_TARGET_OMAP3_CAIRO
/* for cairo board, we need to set up 1.8 Volt bias level on MMC1 */
pbias_lite &= ~PBIASLITEVMODE0;
+#endif
+#ifdef CONFIG_MMC_OMAP36XX_PINS
+ if (get_cpu_family() == CPU_OMAP36XX) {
+ /* Disable extended drain IO before changing PBIAS */
+ wkup_ctrl &= ~OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ;
+ writel(wkup_ctrl, OMAP34XX_CTRL_WKUP_CTRL);
+ }
#endif
writel(pbias_lite, &t2_base->pbias_lite);
PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
&t2_base->pbias_lite);
+#ifdef CONFIG_MMC_OMAP36XX_PINS
+ if (get_cpu_family() == CPU_OMAP36XX)
+ /* Enable extended drain IO after changing PBIAS */
+ writel(wkup_ctrl |
+ OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ,
+ OMAP34XX_CTRL_WKUP_CTRL);
+#endif
writel(readl(&t2_base->devconf0) | MMCSDIO1ADPCLKISEL,
&t2_base->devconf0);
&t2_base->devconf1);
/* Change from default of 52MHz to 26MHz if necessary */
- if (!(mmc->cfg->host_caps & MMC_MODE_HS_52MHz))
+ if (!(cfg->host_caps & MMC_MODE_HS_52MHz))
writel(readl(&t2_base->ctl_prog_io1) & ~CTLPROGIO1SPEEDCTRL,
&t2_base->ctl_prog_io1);
&prcm_base->iclken1_core);
#endif
-#if defined(CONFIG_OMAP44XX)
+#if defined(CONFIG_OMAP54XX) || defined(CONFIG_OMAP44XX)
/* PBIAS config needed for MMC1 only */
- if (mmc->block_dev.devnum == 0)
- omap4_vmmc_pbias_config(mmc);
-#endif
-#if defined(CONFIG_OMAP54XX) && defined(CONFIG_PALMAS_POWER)
- if (mmc->block_dev.devnum == 0)
- omap5_pbias_config(mmc);
+ if (mmc_get_blk_desc(mmc)->devnum == 0)
+ vmmc_pbias_config(LDO_VOLT_3V0);
#endif
return 0;
writel(readl(&mmc_base->con) & ~INIT_INITSTREAM, &mmc_base->con);
}
-
static int omap_hsmmc_init_setup(struct mmc *mmc)
{
+ struct omap_hsmmc_data *priv = omap_hsmmc_get_data(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_base = priv->base_addr;
mmc_board_init(mmc);
writel(readl(&mmc_base->sysconfig) | MMC_SOFTRESET,
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;
+ return -ETIMEDOUT;
}
}
writel(readl(&mmc_base->sysctl) | SOFTRESETALL, &mmc_base->sysctl);
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for softresetall!\n",
__func__);
- return TIMEOUT;
+ return -ETIMEDOUT;
}
}
writel(DTW_1_BITMODE | SDBP_PWROFF | SDVS_3V0, &mmc_base->hctl);
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;
+ return -ETIMEDOUT;
}
}
writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);
static int omap_hsmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
struct mmc_data *data)
{
+ struct omap_hsmmc_data *priv = omap_hsmmc_get_data(mmc);
struct hsmmc *mmc_base;
unsigned int flags, mmc_stat;
ulong start;
- mmc_base = ((struct omap_hsmmc_data *)mmc->priv)->base_addr;
+ mmc_base = priv->base_addr;
start = get_timer(0);
while ((readl(&mmc_base->pstate) & (DATI_MASK | CMDI_MASK)) != 0) {
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting on cmd inhibit to clear\n",
__func__);
- return TIMEOUT;
+ return -ETIMEDOUT;
}
}
writel(0xFFFFFFFF, &mmc_base->stat);
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for STAT (%x) to clear\n",
__func__, readl(&mmc_base->stat));
- return TIMEOUT;
+ return -ETIMEDOUT;
}
}
/*
mmc_stat = readl(&mmc_base->stat);
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s : timeout: No status update\n", __func__);
- return TIMEOUT;
+ return -ETIMEDOUT;
}
} while (!mmc_stat);
if ((mmc_stat & IE_CTO) != 0) {
mmc_reset_controller_fsm(mmc_base, SYSCTL_SRC);
- return TIMEOUT;
+ return -ETIMEDOUT;
} else if ((mmc_stat & ERRI_MASK) != 0)
return -1;
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for status!\n",
__func__);
- return TIMEOUT;
+ return -ETIMEDOUT;
}
} while (mmc_stat == 0);
if (get_timer(0) - start > MAX_RETRY_MS) {
printf("%s: timedout waiting for status!\n",
__func__);
- return TIMEOUT;
+ return -ETIMEDOUT;
}
} while (mmc_stat == 0);
return 0;
}
-static void omap_hsmmc_set_ios(struct mmc *mmc)
+static int omap_hsmmc_set_ios(struct mmc *mmc)
{
+ struct omap_hsmmc_data *priv = omap_hsmmc_get_data(mmc);
struct hsmmc *mmc_base;
unsigned int dsor = 0;
ulong start;
- mmc_base = ((struct omap_hsmmc_data *)mmc->priv)->base_addr;
+ mmc_base = priv->base_addr;
/* configue bus width */
switch (mmc->bus_width) {
case 8:
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;
+ return -ETIMEDOUT;
}
}
writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl);
+
+ return 0;
}
#ifdef OMAP_HSMMC_USE_GPIO
#ifdef CONFIG_DM_MMC
static int omap_hsmmc_getcd(struct mmc *mmc)
{
- struct omap_hsmmc_data *priv = mmc->priv;
+ struct omap_hsmmc_data *priv = omap_hsmmc_get_data(mmc);
int value;
value = dm_gpio_get_value(&priv->cd_gpio);
static int omap_hsmmc_getwp(struct mmc *mmc)
{
- struct omap_hsmmc_data *priv = mmc->priv;
+ struct omap_hsmmc_data *priv = omap_hsmmc_get_data(mmc);
int value;
value = dm_gpio_get_value(&priv->wp_gpio);
#else
static int omap_hsmmc_getcd(struct mmc *mmc)
{
- struct omap_hsmmc_data *priv_data = mmc->priv;
+ struct omap_hsmmc_data *priv = omap_hsmmc_get_data(mmc);
int cd_gpio;
/* if no CD return as 1 */
- cd_gpio = priv_data->cd_gpio;
+ cd_gpio = priv->cd_gpio;
if (cd_gpio < 0)
return 1;
static int omap_hsmmc_getwp(struct mmc *mmc)
{
- struct omap_hsmmc_data *priv_data = mmc->priv;
+ struct omap_hsmmc_data *priv = omap_hsmmc_get_data(mmc);
int wp_gpio;
/* if no WP return as 0 */
- wp_gpio = priv_data->wp_gpio;
+ wp_gpio = priv->wp_gpio;
if (wp_gpio < 0)
return 0;
int wp_gpio)
{
struct mmc *mmc;
- struct omap_hsmmc_data *priv_data;
+ struct omap_hsmmc_data *priv;
struct mmc_config *cfg;
uint host_caps_val;
- priv_data = malloc(sizeof(*priv_data));
- if (priv_data == NULL)
+ 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_data->base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE;
+ priv->base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE;
break;
#ifdef OMAP_HSMMC2_BASE
case 1:
- priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE;
+ priv->base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE;
#if (defined(CONFIG_OMAP44XX) || defined(CONFIG_OMAP54XX) || \
- defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) || \
- defined(CONFIG_AM33XX) || \
+ 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 */
#endif
#ifdef OMAP_HSMMC3_BASE
case 2:
- priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC3_BASE;
-#if (defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)) && defined(CONFIG_HSMMC3_8BIT)
+ 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_data->base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE;
+ 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_data->cd_gpio = omap_mmc_setup_gpio_in(cd_gpio, "mmc_cd");
- priv_data->wp_gpio = omap_mmc_setup_gpio_in(wp_gpio, "mmc_wp");
+ 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_data->cfg;
+ cfg = &priv->cfg;
cfg->name = "OMAP SD/MMC";
cfg->ops = &omap_hsmmc_ops;
if ((get_cpu_family() == CPU_OMAP34XX) && (get_cpu_rev() <= CPU_3XX_ES21))
cfg->b_max = 1;
#endif
- mmc = mmc_create(cfg, priv_data);
+ mmc = mmc_create(cfg, priv);
if (mmc == NULL)
return -1;
static int omap_hsmmc_ofdata_to_platdata(struct udevice *dev)
{
struct omap_hsmmc_data *priv = dev_get_priv(dev);
+ struct omap_hsmmc_plat *plat = dev_get_platdata(dev);
+ struct mmc_config *cfg = &plat->cfg;
const void *fdt = gd->fdt_blob;
- int node = dev->of_offset;
- struct mmc_config *cfg;
+ int node = dev_of_offset(dev);
int val;
priv->base_addr = map_physmem(dev_get_addr(dev), sizeof(struct hsmmc *),
MAP_NOCACHE);
- cfg = &priv->cfg;
cfg->host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS;
val = fdtdec_get_int(fdt, node, "bus-width", -1);
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
priv->cd_inverted = fdtdec_get_bool(fdt, node, "cd-inverted");
+#endif
return 0;
}
+#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;
+ struct mmc_config *cfg = &plat->cfg;
struct mmc *mmc;
- cfg = &priv->cfg;
cfg->name = "OMAP SD/MMC";
cfg->ops = &omap_hsmmc_ops;
+#ifdef CONFIG_BLK
+ mmc = &plat->mmc;
+#else
mmc = mmc_create(cfg, priv);
if (mmc == NULL)
return -1;
+#endif
#ifdef OMAP_HSMMC_USE_GPIO
gpio_request_by_name(dev, "cd-gpios", 0, &priv->cd_gpio, GPIOD_IS_IN);
.id = UCLASS_MMC,
.of_match = omap_hsmmc_ids,
.ofdata_to_platdata = omap_hsmmc_ofdata_to_platdata,
+#ifdef CONFIG_BLK
+ .bind = omap_hsmmc_bind,
+#endif
.probe = omap_hsmmc_probe,
.priv_auto_alloc_size = sizeof(struct omap_hsmmc_data),
+ .platdata_auto_alloc_size = sizeof(struct omap_hsmmc_plat),
};
#endif
projects / people / ms / u-boot.git / blobdiff