#include <twl4030.h>
#include <twl6030.h>
#include <palmas.h>
-#include <asm/gpio.h>
#include <asm/io.h>
#include <asm/arch/mmc_host_def.h>
+#if !defined(CONFIG_SOC_KEYSTONE)
+#include <asm/gpio.h>
#include <asm/arch/sys_proto.h>
+#endif
+#include <dm.h>
+
+DECLARE_GLOBAL_DATA_PTR;
/* simplify defines to OMAP_HSMMC_USE_GPIO */
#if (defined(CONFIG_OMAP_GPIO) && !defined(CONFIG_SPL_BUILD)) || \
struct hsmmc *base_addr;
struct mmc_config cfg;
#ifdef OMAP_HSMMC_USE_GPIO
+#ifdef CONFIG_DM_MMC
+ struct gpio_desc cd_gpio; /* Change Detect GPIO */
+ struct gpio_desc wp_gpio; /* Write Protect GPIO */
+ bool cd_inverted;
+#else
int cd_gpio;
int wp_gpio;
#endif
+#endif
};
/* If we fail after 1 second wait, something is really bad */
static int mmc_write_data(struct hsmmc *mmc_base, const char *buf,
unsigned int siz);
-#ifdef OMAP_HSMMC_USE_GPIO
+#if defined(OMAP_HSMMC_USE_GPIO) && !defined(CONFIG_DM_MMC)
static int omap_mmc_setup_gpio_in(int gpio, const char *label)
{
- if (!gpio_is_valid(gpio))
- return -1;
+ int ret;
- if (gpio_request(gpio, label) < 0)
+#ifndef CONFIG_DM_GPIO
+ if (!gpio_is_valid(gpio))
return -1;
+#endif
+ ret = gpio_request(gpio, label);
+ if (ret)
+ return ret;
- if (gpio_direction_input(gpio) < 0)
- return -1;
+ ret = gpio_direction_input(gpio);
+ if (ret)
+ return ret;
return gpio;
}
#endif
-#if defined(CONFIG_OMAP44XX) && defined(CONFIG_TWL6030_POWER)
+#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);
- /* set VMMC to 3V */
- twl6030_power_mmc_init();
value = readl((*ctrl)->control_pbiaslite);
value |= MMC1_PBIASLITE_VMODE | MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ;
writel(value, (*ctrl)->control_pbiaslite);
pbias_lite = readl(&t2_base->pbias_lite);
pbias_lite &= ~(PBIASLITEPWRDNZ1 | PBIASLITEPWRDNZ0);
- writel(pbias_lite, &t2_base->pbias_lite);
-#endif
-#if defined(CONFIG_TWL4030_POWER)
- twl4030_power_mmc_init();
- mdelay(100); /* ramp-up delay from Linux code */
+#ifdef CONFIG_TARGET_OMAP3_CAIRO
+ /* for cairo board, we need to set up 1.8 Volt bias level on MMC1 */
+ pbias_lite &= ~PBIASLITEVMODE0;
#endif
-#if defined(CONFIG_OMAP34XX)
+ writel(pbias_lite, &t2_base->pbias_lite);
+
writel(pbias_lite | PBIASLITEPWRDNZ1 |
PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
&t2_base->pbias_lite);
&prcm_base->iclken1_core);
#endif
-#if defined(CONFIG_OMAP44XX) && defined(CONFIG_TWL6030_POWER)
+#if defined(CONFIG_OMAP44XX)
/* PBIAS config needed for MMC1 only */
- if (mmc->block_dev.dev == 0)
+ if (mmc->block_dev.devnum == 0)
omap4_vmmc_pbias_config(mmc);
#endif
#if defined(CONFIG_OMAP54XX) && defined(CONFIG_PALMAS_POWER)
- if (mmc->block_dev.dev == 0)
+ if (mmc->block_dev.devnum == 0)
omap5_pbias_config(mmc);
#endif
* (reset procedure is completed).
*/
#if defined(CONFIG_OMAP44XX) || defined(CONFIG_OMAP54XX) || \
- defined(CONFIG_AM33XX)
+ defined(CONFIG_AM33XX) || defined(CONFIG_AM43XX)
if (!(readl(&mmc_base->sysctl) & bit)) {
start = get_timer(0);
while (!(readl(&mmc_base->sysctl) & bit)) {
}
#ifdef OMAP_HSMMC_USE_GPIO
+#ifdef CONFIG_DM_MMC
+static int omap_hsmmc_getcd(struct mmc *mmc)
+{
+ struct omap_hsmmc_data *priv = mmc->priv;
+ 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 mmc *mmc)
+{
+ struct omap_hsmmc_data *priv = mmc->priv;
+ 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_data = mmc->priv;
if (cd_gpio < 0)
return 1;
- return gpio_get_value(cd_gpio);
+ /* NOTE: assumes card detect signal is active-low */
+ return !gpio_get_value(cd_gpio);
}
static int omap_hsmmc_getwp(struct mmc *mmc)
if (wp_gpio < 0)
return 0;
+ /* NOTE: assumes write protect signal is active-high */
return gpio_get_value(wp_gpio);
}
#endif
+#endif
static const struct mmc_ops omap_hsmmc_ops = {
.send_cmd = omap_hsmmc_send_cmd,
#endif
};
+#ifndef CONFIG_DM_MMC
int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
int wp_gpio)
{
if (priv_data == NULL)
return -1;
- host_caps_val = MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS |
- MMC_MODE_HC;
+ host_caps_val = MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS;
switch (dev_index) {
case 0:
case 1:
priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE;
#if (defined(CONFIG_OMAP44XX) || defined(CONFIG_OMAP54XX) || \
- defined(CONFIG_DRA7XX)) && defined(CONFIG_HSMMC2_8BIT)
+ defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) || \
+ 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
#ifdef OMAP_HSMMC3_BASE
case 2:
priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC3_BASE;
-#if defined(CONFIG_DRA7XX) && defined(CONFIG_HSMMC3_8BIT)
+#if (defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)) && defined(CONFIG_HSMMC3_8BIT)
/* Enable 8-bit interface for eMMC on DRA7XX */
host_caps_val |= MMC_MODE_8BIT;
#endif
return 0;
}
+#else
+static int omap_hsmmc_ofdata_to_platdata(struct udevice *dev)
+{
+ struct omap_hsmmc_data *priv = dev_get_priv(dev);
+ const void *fdt = gd->fdt_blob;
+ int node = dev->of_offset;
+ struct mmc_config *cfg;
+ int val;
+
+ priv->base_addr = (struct hsmmc *)dev_get_addr(dev);
+ cfg = &priv->cfg;
+
+ 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;
+
+ priv->cd_inverted = fdtdec_get_bool(fdt, node, "cd-inverted");
+
+ return 0;
+}
+
+static int omap_hsmmc_probe(struct udevice *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 *mmc;
+
+ cfg = &priv->cfg;
+ cfg->name = "OMAP SD/MMC";
+ cfg->ops = &omap_hsmmc_ops;
+
+ mmc = mmc_create(cfg, priv);
+ if (mmc == NULL)
+ return -1;
+
+ upriv->mmc = mmc;
+
+ return 0;
+}
+
+static const struct udevice_id omap_hsmmc_ids[] = {
+ { .compatible = "ti,omap3-hsmmc" },
+ { .compatible = "ti,omap4-hsmmc" },
+ { .compatible = "ti,am33xx-hsmmc" },
+ { }
+};
+
+U_BOOT_DRIVER(omap_hsmmc) = {
+ .name = "omap_hsmmc",
+ .id = UCLASS_MMC,
+ .of_match = omap_hsmmc_ids,
+ .ofdata_to_platdata = omap_hsmmc_ofdata_to_platdata,
+ .probe = omap_hsmmc_probe,
+ .priv_auto_alloc_size = sizeof(struct omap_hsmmc_data),
+};
+#endif
projects / platform / kernel / u-boot.git / blobdiff