#include <config.h>
#include <common.h>
#include <command.h>
+#include <errno.h>
#include <hwconfig.h>
#include <mmc.h>
#include <part.h>
+#include <power/regulator.h>
#include <malloc.h>
-#include <mmc.h>
#include <fsl_esdhc.h>
#include <fdt_support.h>
#include <asm/io.h>
uint fevt; /* Force event register */
uint admaes; /* ADMA error status register */
uint adsaddr; /* ADMA system address register */
- char reserved2[100]; /* reserved */
- uint vendorspec; /* Vendor Specific register */
- char reserved3[56]; /* reserved */
+ char reserved2[4];
+ uint dllctrl;
+ uint dllstat;
+ uint clktunectrlstatus;
+ char reserved3[84];
+ uint vendorspec;
+ uint mmcboot;
+ uint vendorspec2;
+ char reserved4[48];
uint hostver; /* Host controller version register */
- char reserved4[4]; /* reserved */
- uint dmaerraddr; /* DMA error address register */
char reserved5[4]; /* reserved */
- uint dmaerrattr; /* DMA error attribute register */
+ uint dmaerraddr; /* DMA error address register */
char reserved6[4]; /* reserved */
+ uint dmaerrattr; /* DMA error attribute register */
+ char reserved7[4]; /* reserved */
uint hostcapblt2; /* Host controller capabilities register 2 */
- char reserved7[8]; /* reserved */
+ char reserved8[8]; /* reserved */
uint tcr; /* Tuning control register */
- char reserved8[28]; /* reserved */
+ char reserved9[28]; /* reserved */
uint sddirctl; /* SD direction control register */
- char reserved9[712]; /* reserved */
+ char reserved10[712];/* reserved */
uint scr; /* eSDHC control register */
};
+struct fsl_esdhc_plat {
+ struct mmc_config cfg;
+ struct mmc mmc;
+};
+
/**
* struct fsl_esdhc_priv
*
* Following is used when Driver Model is enabled for MMC
* @dev: pointer for the device
* @non_removable: 0: removable; 1: non-removable
+ * @wp_enable: 1: enable checking wp; 0: no check
+ * @vs18_enable: 1: use 1.8V voltage; 0: use 3.3V
* @cd_gpio: gpio for card detection
+ * @wp_gpio: gpio for write protection
*/
struct fsl_esdhc_priv {
struct fsl_esdhc *esdhc_regs;
unsigned int sdhc_clk;
unsigned int bus_width;
- struct mmc_config cfg;
+#if !CONFIG_IS_ENABLED(BLK)
struct mmc *mmc;
+#endif
struct udevice *dev;
int non_removable;
+ int wp_enable;
+ int vs18_enable;
+#ifdef CONFIG_DM_GPIO
struct gpio_desc cd_gpio;
+ struct gpio_desc wp_gpio;
+#endif
};
/* Return the XFERTYP flags for a given command and data packet */
/*
* PIO Read/Write Mode reduce the performace as DMA is not used in this mode.
*/
-static void
-esdhc_pio_read_write(struct mmc *mmc, struct mmc_data *data)
+static void esdhc_pio_read_write(struct fsl_esdhc_priv *priv,
+ struct mmc_data *data)
{
- struct fsl_esdhc_priv *priv = mmc->priv;
struct fsl_esdhc *regs = priv->esdhc_regs;
uint blocks;
char *buffer;
uint databuf;
uint size;
uint irqstat;
- uint timeout;
+ ulong start;
if (data->flags & MMC_DATA_READ) {
blocks = data->blocks;
buffer = data->dest;
while (blocks) {
- timeout = PIO_TIMEOUT;
+ start = get_timer(0);
size = data->blocksize;
irqstat = esdhc_read32(®s->irqstat);
- while (!(esdhc_read32(®s->prsstat) & PRSSTAT_BREN)
- && --timeout);
- if (timeout <= 0) {
- printf("\nData Read Failed in PIO Mode.");
- return;
+ while (!(esdhc_read32(®s->prsstat) & PRSSTAT_BREN)) {
+ if (get_timer(start) > PIO_TIMEOUT) {
+ printf("\nData Read Failed in PIO Mode.");
+ return;
+ }
}
while (size && (!(irqstat & IRQSTAT_TC))) {
udelay(100); /* Wait before last byte transfer complete */
blocks = data->blocks;
buffer = (char *)data->src;
while (blocks) {
- timeout = PIO_TIMEOUT;
+ start = get_timer(0);
size = data->blocksize;
irqstat = esdhc_read32(®s->irqstat);
- while (!(esdhc_read32(®s->prsstat) & PRSSTAT_BWEN)
- && --timeout);
- if (timeout <= 0) {
- printf("\nData Write Failed in PIO Mode.");
- return;
+ while (!(esdhc_read32(®s->prsstat) & PRSSTAT_BWEN)) {
+ if (get_timer(start) > PIO_TIMEOUT) {
+ printf("\nData Write Failed in PIO Mode.");
+ return;
+ }
}
while (size && (!(irqstat & IRQSTAT_TC))) {
udelay(100); /* Wait before last byte transfer complete */
}
#endif
-static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
+static int esdhc_setup_data(struct fsl_esdhc_priv *priv, struct mmc *mmc,
+ struct mmc_data *data)
{
int timeout;
- struct fsl_esdhc_priv *priv = mmc->priv;
struct fsl_esdhc *regs = priv->esdhc_regs;
-#ifdef CONFIG_FSL_LAYERSCAPE
+#if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234)
dma_addr_t addr;
#endif
uint wml_value;
esdhc_clrsetbits32(®s->wml, WML_RD_WML_MASK, wml_value);
#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
-#ifdef CONFIG_FSL_LAYERSCAPE
+#if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234)
addr = virt_to_phys((void *)(data->dest));
if (upper_32_bits(addr))
printf("Error found for upper 32 bits\n");
#endif
if (wml_value > WML_WR_WML_MAX)
wml_value = WML_WR_WML_MAX_VAL;
- if ((esdhc_read32(®s->prsstat) & PRSSTAT_WPSPL) == 0) {
- printf("\nThe SD card is locked. Can not write to a locked card.\n\n");
- return TIMEOUT;
+ if (priv->wp_enable) {
+ if ((esdhc_read32(®s->prsstat) &
+ PRSSTAT_WPSPL) == 0) {
+ printf("\nThe SD card is locked. Can not write to a locked card.\n\n");
+ return -ETIMEDOUT;
+ }
}
esdhc_clrsetbits32(®s->wml, WML_WR_WML_MASK,
wml_value << 16);
#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
-#ifdef CONFIG_FSL_LAYERSCAPE
+#if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234)
addr = virt_to_phys((void *)(data->src));
if (upper_32_bits(addr))
printf("Error found for upper 32 bits\n");
unsigned end = 0;
unsigned size = roundup(ARCH_DMA_MINALIGN,
data->blocks*data->blocksize);
-#ifdef CONFIG_FSL_LAYERSCAPE
+#if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234)
dma_addr_t addr;
addr = virt_to_phys((void *)(data->dest));
* Sends a command out on the bus. Takes the mmc pointer,
* a command pointer, and an optional data pointer.
*/
-static int
-esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
+static int esdhc_send_cmd_common(struct fsl_esdhc_priv *priv, struct mmc *mmc,
+ struct mmc_cmd *cmd, struct mmc_data *data)
{
int err = 0;
uint xfertyp;
uint irqstat;
- struct fsl_esdhc_priv *priv = mmc->priv;
struct fsl_esdhc *regs = priv->esdhc_regs;
#ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC111
/* Set up for a data transfer if we have one */
if (data) {
- err = esdhc_setup_data(mmc, data);
+ err = esdhc_setup_data(priv, mmc, data);
if(err)
return err;
irqstat = esdhc_read32(®s->irqstat);
if (irqstat & CMD_ERR) {
- err = COMM_ERR;
+ err = -ECOMM;
goto out;
}
if (irqstat & IRQSTAT_CTOE) {
- err = TIMEOUT;
+ err = -ETIMEDOUT;
goto out;
}
if (timeout <= 0) {
printf("Timeout waiting for DAT0 to go high!\n");
- err = TIMEOUT;
+ err = -ETIMEDOUT;
goto out;
}
}
/* Wait until all of the blocks are transferred */
if (data) {
#ifdef CONFIG_SYS_FSL_ESDHC_USE_PIO
- esdhc_pio_read_write(mmc, data);
+ esdhc_pio_read_write(priv, data);
#else
do {
irqstat = esdhc_read32(®s->irqstat);
if (irqstat & IRQSTAT_DTOE) {
- err = TIMEOUT;
+ err = -ETIMEDOUT;
goto out;
}
if (irqstat & DATA_ERR) {
- err = COMM_ERR;
+ err = -ECOMM;
goto out;
}
} while ((irqstat & DATA_COMPLETE) != DATA_COMPLETE);
return err;
}
-static void set_sysctl(struct mmc *mmc, uint clock)
+static void set_sysctl(struct fsl_esdhc_priv *priv, struct mmc *mmc, uint clock)
{
- int div, pre_div;
- struct fsl_esdhc_priv *priv = mmc->priv;
+ int div = 1;
+#ifdef ARCH_MXC
+ int pre_div = 1;
+#else
+ int pre_div = 2;
+#endif
+ int ddr_pre_div = mmc->ddr_mode ? 2 : 1;
struct fsl_esdhc *regs = priv->esdhc_regs;
int sdhc_clk = priv->sdhc_clk;
uint clk;
if (clock < mmc->cfg->f_min)
clock = mmc->cfg->f_min;
- if (sdhc_clk / 16 > clock) {
- for (pre_div = 2; pre_div < 256; pre_div *= 2)
- if ((sdhc_clk / pre_div) <= (clock * 16))
- break;
- } else
- pre_div = 2;
+ while (sdhc_clk / (16 * pre_div * ddr_pre_div) > clock && pre_div < 256)
+ pre_div *= 2;
- for (div = 1; div <= 16; div++)
- if ((sdhc_clk / (div * pre_div)) <= clock)
- break;
+ while (sdhc_clk / (div * pre_div * ddr_pre_div) > clock && div < 16)
+ div++;
- pre_div >>= mmc->ddr_mode ? 2 : 1;
+ pre_div >>= 1;
div -= 1;
clk = (pre_div << 8) | (div << 4);
#ifdef CONFIG_FSL_USDHC
- esdhc_setbits32(®s->sysctl, SYSCTL_RSTA);
+ esdhc_clrbits32(®s->vendorspec, VENDORSPEC_CKEN);
#else
esdhc_clrbits32(®s->sysctl, SYSCTL_CKEN);
#endif
udelay(10000);
#ifdef CONFIG_FSL_USDHC
- esdhc_clrbits32(®s->sysctl, SYSCTL_RSTA);
+ esdhc_setbits32(®s->vendorspec, VENDORSPEC_PEREN | VENDORSPEC_CKEN);
#else
esdhc_setbits32(®s->sysctl, SYSCTL_PEREN | SYSCTL_CKEN);
#endif
}
#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
-static void esdhc_clock_control(struct mmc *mmc, bool enable)
+static void esdhc_clock_control(struct fsl_esdhc_priv *priv, bool enable)
{
- struct fsl_esdhc_priv *priv = mmc->priv;
struct fsl_esdhc *regs = priv->esdhc_regs;
u32 value;
u32 time_out;
}
#endif
-static void esdhc_set_ios(struct mmc *mmc)
+static int esdhc_set_ios_common(struct fsl_esdhc_priv *priv, struct mmc *mmc)
{
- struct fsl_esdhc_priv *priv = mmc->priv;
struct fsl_esdhc *regs = priv->esdhc_regs;
#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
/* Select to use peripheral clock */
- esdhc_clock_control(mmc, false);
+ esdhc_clock_control(priv, false);
esdhc_setbits32(®s->scr, ESDHCCTL_PCS);
- esdhc_clock_control(mmc, true);
+ esdhc_clock_control(priv, true);
#endif
/* Set the clock speed */
- set_sysctl(mmc, mmc->clock);
+ set_sysctl(priv, mmc, mmc->clock);
/* Set the bus width */
esdhc_clrbits32(®s->proctl, PROCTL_DTW_4 | PROCTL_DTW_8);
else if (mmc->bus_width == 8)
esdhc_setbits32(®s->proctl, PROCTL_DTW_8);
+ return 0;
}
-static int esdhc_init(struct mmc *mmc)
+static int esdhc_init_common(struct fsl_esdhc_priv *priv, struct mmc *mmc)
{
- struct fsl_esdhc_priv *priv = mmc->priv;
struct fsl_esdhc *regs = priv->esdhc_regs;
- int timeout = 1000;
+ ulong start;
/* Reset the entire host controller */
esdhc_setbits32(®s->sysctl, SYSCTL_RSTA);
/* Wait until the controller is available */
- while ((esdhc_read32(®s->sysctl) & SYSCTL_RSTA) && --timeout)
- udelay(1000);
+ start = get_timer(0);
+ while ((esdhc_read32(®s->sysctl) & SYSCTL_RSTA)) {
+ if (get_timer(start) > 1000)
+ return -ETIMEDOUT;
+ }
+
+#if defined(CONFIG_FSL_USDHC)
+ /* RSTA doesn't reset MMC_BOOT register, so manually reset it */
+ esdhc_write32(®s->mmcboot, 0x0);
+ /* Reset MIX_CTRL and CLK_TUNE_CTRL_STATUS regs to 0 */
+ esdhc_write32(®s->mixctrl, 0x0);
+ esdhc_write32(®s->clktunectrlstatus, 0x0);
+
+ /* Put VEND_SPEC to default value */
+ esdhc_write32(®s->vendorspec, VENDORSPEC_INIT);
+
+ /* Disable DLL_CTRL delay line */
+ esdhc_write32(®s->dllctrl, 0x0);
+#endif
#ifndef ARCH_MXC
/* Enable cache snooping */
#ifndef CONFIG_FSL_USDHC
esdhc_setbits32(®s->sysctl, SYSCTL_HCKEN | SYSCTL_IPGEN);
+#else
+ esdhc_setbits32(®s->vendorspec, VENDORSPEC_HCKEN | VENDORSPEC_IPGEN);
#endif
/* Set the initial clock speed */
- mmc_set_clock(mmc, 400000);
+ mmc_set_clock(mmc, 400000, false);
/* Disable the BRR and BWR bits in IRQSTAT */
esdhc_clrbits32(®s->irqstaten, IRQSTATEN_BRR | IRQSTATEN_BWR);
/* Set timout to the maximum value */
esdhc_clrsetbits32(®s->sysctl, SYSCTL_TIMEOUT_MASK, 14 << 16);
-#ifdef CONFIG_SYS_FSL_ESDHC_FORCE_VSELECT
- esdhc_setbits32(®s->vendorspec, ESDHC_VENDORSPEC_VSELECT);
-#endif
+ if (priv->vs18_enable)
+ esdhc_setbits32(®s->vendorspec, ESDHC_VENDORSPEC_VSELECT);
return 0;
}
-static int esdhc_getcd(struct mmc *mmc)
+static int esdhc_getcd_common(struct fsl_esdhc_priv *priv)
{
- struct fsl_esdhc_priv *priv = mmc->priv;
struct fsl_esdhc *regs = priv->esdhc_regs;
int timeout = 1000;
return 1;
#endif
-#ifdef CONFIG_DM_MMC
+#if CONFIG_IS_ENABLED(DM_MMC)
if (priv->non_removable)
return 1;
-
+#ifdef CONFIG_DM_GPIO
if (dm_gpio_is_valid(&priv->cd_gpio))
return dm_gpio_get_value(&priv->cd_gpio);
+#endif
#endif
while (!(esdhc_read32(®s->prsstat) & PRSSTAT_CINS) && --timeout)
return timeout > 0;
}
-static void esdhc_reset(struct fsl_esdhc *regs)
+static int esdhc_reset(struct fsl_esdhc *regs)
{
- unsigned long timeout = 100; /* wait max 100 ms */
+ ulong start;
/* reset the controller */
esdhc_setbits32(®s->sysctl, SYSCTL_RSTA);
/* hardware clears the bit when it is done */
- while ((esdhc_read32(®s->sysctl) & SYSCTL_RSTA) && --timeout)
- udelay(1000);
- if (!timeout)
- printf("MMC/SD: Reset never completed.\n");
+ start = get_timer(0);
+ while ((esdhc_read32(®s->sysctl) & SYSCTL_RSTA)) {
+ if (get_timer(start) > 100) {
+ printf("MMC/SD: Reset never completed.\n");
+ return -ETIMEDOUT;
+ }
+ }
+
+ return 0;
}
-static const struct mmc_ops esdhc_ops = {
- .send_cmd = esdhc_send_cmd,
- .set_ios = esdhc_set_ios,
- .init = esdhc_init,
- .getcd = esdhc_getcd,
-};
+#if !CONFIG_IS_ENABLED(DM_MMC)
+static int esdhc_getcd(struct mmc *mmc)
+{
+ struct fsl_esdhc_priv *priv = mmc->priv;
-static int fsl_esdhc_cfg_to_priv(struct fsl_esdhc_cfg *cfg,
- struct fsl_esdhc_priv *priv)
+ return esdhc_getcd_common(priv);
+}
+
+static int esdhc_init(struct mmc *mmc)
{
- if (!cfg || !priv)
- return -EINVAL;
+ struct fsl_esdhc_priv *priv = mmc->priv;
- priv->esdhc_regs = (struct fsl_esdhc *)(unsigned long)(cfg->esdhc_base);
- priv->bus_width = cfg->max_bus_width;
- priv->sdhc_clk = cfg->sdhc_clk;
+ return esdhc_init_common(priv, mmc);
+}
- return 0;
+static int esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
+ struct mmc_data *data)
+{
+ struct fsl_esdhc_priv *priv = mmc->priv;
+
+ return esdhc_send_cmd_common(priv, mmc, cmd, data);
+}
+
+static int esdhc_set_ios(struct mmc *mmc)
+{
+ struct fsl_esdhc_priv *priv = mmc->priv;
+
+ return esdhc_set_ios_common(priv, mmc);
+}
+
+static const struct mmc_ops esdhc_ops = {
+ .getcd = esdhc_getcd,
+ .init = esdhc_init,
+ .send_cmd = esdhc_send_cmd,
+ .set_ios = esdhc_set_ios,
};
+#endif
-static int fsl_esdhc_init(struct fsl_esdhc_priv *priv)
+static int fsl_esdhc_init(struct fsl_esdhc_priv *priv,
+ struct fsl_esdhc_plat *plat)
{
+ struct mmc_config *cfg;
struct fsl_esdhc *regs;
- struct mmc *mmc;
u32 caps, voltage_caps;
+ int ret;
if (!priv)
return -EINVAL;
regs = priv->esdhc_regs;
/* First reset the eSDHC controller */
- esdhc_reset(regs);
+ ret = esdhc_reset(regs);
+ if (ret)
+ return ret;
#ifndef CONFIG_FSL_USDHC
esdhc_setbits32(®s->sysctl, SYSCTL_PEREN | SYSCTL_HCKEN
| SYSCTL_IPGEN | SYSCTL_CKEN);
+#else
+ esdhc_setbits32(®s->vendorspec, VENDORSPEC_PEREN |
+ VENDORSPEC_HCKEN | VENDORSPEC_IPGEN | VENDORSPEC_CKEN);
#endif
+ if (priv->vs18_enable)
+ esdhc_setbits32(®s->vendorspec, ESDHC_VENDORSPEC_VSELECT);
+
writel(SDHCI_IRQ_EN_BITS, ®s->irqstaten);
- memset(&priv->cfg, 0, sizeof(priv->cfg));
+ cfg = &plat->cfg;
+#ifndef CONFIG_DM_MMC
+ memset(cfg, '\0', sizeof(*cfg));
+#endif
voltage_caps = 0;
caps = esdhc_read32(®s->hostcapblt);
if (caps & ESDHC_HOSTCAPBLT_VS33)
voltage_caps |= MMC_VDD_32_33 | MMC_VDD_33_34;
- priv->cfg.name = "FSL_SDHC";
- priv->cfg.ops = &esdhc_ops;
+ cfg->name = "FSL_SDHC";
+#if !CONFIG_IS_ENABLED(DM_MMC)
+ cfg->ops = &esdhc_ops;
+#endif
#ifdef CONFIG_SYS_SD_VOLTAGE
- priv->cfg.voltages = CONFIG_SYS_SD_VOLTAGE;
+ cfg->voltages = CONFIG_SYS_SD_VOLTAGE;
#else
- priv->cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
+ cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
#endif
- if ((priv->cfg.voltages & voltage_caps) == 0) {
+ if ((cfg->voltages & voltage_caps) == 0) {
printf("voltage not supported by controller\n");
return -1;
}
if (priv->bus_width == 8)
- priv->cfg.host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT;
+ cfg->host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT;
else if (priv->bus_width == 4)
- priv->cfg.host_caps = MMC_MODE_4BIT;
+ cfg->host_caps = MMC_MODE_4BIT;
- priv->cfg.host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT;
+ cfg->host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT;
#ifdef CONFIG_SYS_FSL_ESDHC_HAS_DDR_MODE
- priv->cfg.host_caps |= MMC_MODE_DDR_52MHz;
+ cfg->host_caps |= MMC_MODE_DDR_52MHz;
#endif
if (priv->bus_width > 0) {
if (priv->bus_width < 8)
- priv->cfg.host_caps &= ~MMC_MODE_8BIT;
+ cfg->host_caps &= ~MMC_MODE_8BIT;
if (priv->bus_width < 4)
- priv->cfg.host_caps &= ~MMC_MODE_4BIT;
+ cfg->host_caps &= ~MMC_MODE_4BIT;
}
if (caps & ESDHC_HOSTCAPBLT_HSS)
- priv->cfg.host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
+ cfg->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
#ifdef CONFIG_ESDHC_DETECT_8_BIT_QUIRK
if (CONFIG_ESDHC_DETECT_8_BIT_QUIRK)
- priv->cfg.host_caps &= ~MMC_MODE_8BIT;
+ cfg->host_caps &= ~MMC_MODE_8BIT;
#endif
- priv->cfg.f_min = 400000;
- priv->cfg.f_max = min(priv->sdhc_clk, (u32)52000000);
+ cfg->f_min = 400000;
+ cfg->f_max = min(priv->sdhc_clk, (u32)52000000);
- priv->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
+ cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
- mmc = mmc_create(&priv->cfg, priv);
- if (mmc == NULL)
- return -1;
+ return 0;
+}
- priv->mmc = mmc;
+#if !CONFIG_IS_ENABLED(DM_MMC)
+static int fsl_esdhc_cfg_to_priv(struct fsl_esdhc_cfg *cfg,
+ struct fsl_esdhc_priv *priv)
+{
+ if (!cfg || !priv)
+ return -EINVAL;
+
+ priv->esdhc_regs = (struct fsl_esdhc *)(unsigned long)(cfg->esdhc_base);
+ priv->bus_width = cfg->max_bus_width;
+ priv->sdhc_clk = cfg->sdhc_clk;
+ priv->wp_enable = cfg->wp_enable;
+ priv->vs18_enable = cfg->vs18_enable;
return 0;
-}
+};
int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
{
+ struct fsl_esdhc_plat *plat;
struct fsl_esdhc_priv *priv;
+ struct mmc *mmc;
int ret;
if (!cfg)
priv = calloc(sizeof(struct fsl_esdhc_priv), 1);
if (!priv)
return -ENOMEM;
+ plat = calloc(sizeof(struct fsl_esdhc_plat), 1);
+ if (!plat) {
+ free(priv);
+ return -ENOMEM;
+ }
ret = fsl_esdhc_cfg_to_priv(cfg, priv);
if (ret) {
debug("%s xlate failure\n", __func__);
+ free(plat);
free(priv);
return ret;
}
- ret = fsl_esdhc_init(priv);
+ ret = fsl_esdhc_init(priv, plat);
if (ret) {
debug("%s init failure\n", __func__);
+ free(plat);
free(priv);
return ret;
}
+ mmc = mmc_create(&plat->cfg, priv);
+ if (!mmc)
+ return -EIO;
+
+ priv->mmc = mmc;
+
return 0;
}
cfg->sdhc_clk = gd->arch.sdhc_clk;
return fsl_esdhc_initialize(bis, cfg);
}
+#endif
#ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
void mmc_adapter_card_type_ident(void)
#endif
#ifdef CONFIG_OF_LIBFDT
-void fdt_fixup_esdhc(void *blob, bd_t *bd)
+__weak int esdhc_status_fixup(void *blob, const char *compat)
{
- const char *compat = "fsl,esdhc";
-
#ifdef CONFIG_FSL_ESDHC_PIN_MUX
if (!hwconfig("esdhc")) {
do_fixup_by_compat(blob, compat, "status", "disabled",
- 8 + 1, 1);
- return;
+ sizeof("disabled"), 1);
+ return 1;
}
#endif
+ return 0;
+}
+
+void fdt_fixup_esdhc(void *blob, bd_t *bd)
+{
+ const char *compat = "fsl,esdhc";
+
+ if (esdhc_status_fixup(blob, compat))
+ return;
#ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
do_fixup_by_compat_u32(blob, compat, "peripheral-frequency",
do_fixup_by_compat_u32(blob, compat, "adapter-type",
(u32)(gd->arch.sdhc_adapter), 1);
#endif
- do_fixup_by_compat(blob, compat, "status", "okay",
- 4 + 1, 1);
}
#endif
-#ifdef CONFIG_DM_MMC
+#if CONFIG_IS_ENABLED(DM_MMC)
#include <asm/arch/clock.h>
+__weak void init_clk_usdhc(u32 index)
+{
+}
+
static int fsl_esdhc_probe(struct udevice *dev)
{
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
+ struct fsl_esdhc_plat *plat = dev_get_platdata(dev);
struct fsl_esdhc_priv *priv = dev_get_priv(dev);
- const void *fdt = gd->fdt_blob;
- int node = dev->of_offset;
+#ifdef CONFIG_DM_REGULATOR
+ struct udevice *vqmmc_dev;
+#endif
fdt_addr_t addr;
unsigned int val;
+ struct mmc *mmc;
int ret;
- addr = dev_get_addr(dev);
+ addr = dev_read_addr(dev);
if (addr == FDT_ADDR_T_NONE)
return -EINVAL;
priv->esdhc_regs = (struct fsl_esdhc *)addr;
priv->dev = dev;
- val = fdtdec_get_int(fdt, node, "bus-width", -1);
+ val = dev_read_u32_default(dev, "bus-width", -1);
if (val == 8)
priv->bus_width = 8;
else if (val == 4)
else
priv->bus_width = 1;
- if (fdt_get_property(fdt, node, "non-removable", NULL)) {
+ if (dev_read_bool(dev, "non-removable")) {
priv->non_removable = 1;
} else {
priv->non_removable = 0;
- gpio_request_by_name_nodev(fdt, node, "cd-gpios", 0,
- &priv->cd_gpio, GPIOD_IS_IN);
+#ifdef CONFIG_DM_GPIO
+ gpio_request_by_name(dev, "cd-gpios", 0, &priv->cd_gpio,
+ GPIOD_IS_IN);
+#endif
+ }
+
+ priv->wp_enable = 1;
+
+#ifdef CONFIG_DM_GPIO
+ ret = gpio_request_by_name(dev, "wp-gpios", 0, &priv->wp_gpio,
+ GPIOD_IS_IN);
+ if (ret)
+ priv->wp_enable = 0;
+#endif
+
+ priv->vs18_enable = 0;
+
+#ifdef CONFIG_DM_REGULATOR
+ /*
+ * If emmc I/O has a fixed voltage at 1.8V, this must be provided,
+ * otherwise, emmc will work abnormally.
+ */
+ ret = device_get_supply_regulator(dev, "vqmmc-supply", &vqmmc_dev);
+ if (ret) {
+ dev_dbg(dev, "no vqmmc-supply\n");
+ } else {
+ ret = regulator_set_enable(vqmmc_dev, true);
+ if (ret) {
+ dev_err(dev, "fail to enable vqmmc-supply\n");
+ return ret;
+ }
+
+ if (regulator_get_value(vqmmc_dev) == 1800000)
+ priv->vs18_enable = 1;
}
+#endif
/*
* TODO:
* correctly get the seq as 2 and 3, then let mxc_get_clock
* work as expected.
*/
+
+ init_clk_usdhc(dev->seq);
+
priv->sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK + dev->seq);
if (priv->sdhc_clk <= 0) {
dev_err(dev, "Unable to get clk for %s\n", dev->name);
return -EINVAL;
}
- ret = fsl_esdhc_init(priv);
+ ret = fsl_esdhc_init(priv, plat);
if (ret) {
dev_err(dev, "fsl_esdhc_init failure\n");
return ret;
}
- upriv->mmc = priv->mmc;
+ mmc = &plat->mmc;
+ mmc->cfg = &plat->cfg;
+ mmc->dev = dev;
+ upriv->mmc = mmc;
- return 0;
+ return esdhc_init_common(priv, mmc);
}
+#if CONFIG_IS_ENABLED(DM_MMC)
+static int fsl_esdhc_get_cd(struct udevice *dev)
+{
+ struct fsl_esdhc_priv *priv = dev_get_priv(dev);
+
+ return true;
+ return esdhc_getcd_common(priv);
+}
+
+static int fsl_esdhc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
+ struct mmc_data *data)
+{
+ struct fsl_esdhc_plat *plat = dev_get_platdata(dev);
+ struct fsl_esdhc_priv *priv = dev_get_priv(dev);
+
+ return esdhc_send_cmd_common(priv, &plat->mmc, cmd, data);
+}
+
+static int fsl_esdhc_set_ios(struct udevice *dev)
+{
+ struct fsl_esdhc_plat *plat = dev_get_platdata(dev);
+ struct fsl_esdhc_priv *priv = dev_get_priv(dev);
+
+ return esdhc_set_ios_common(priv, &plat->mmc);
+}
+
+static const struct dm_mmc_ops fsl_esdhc_ops = {
+ .get_cd = fsl_esdhc_get_cd,
+ .send_cmd = fsl_esdhc_send_cmd,
+ .set_ios = fsl_esdhc_set_ios,
+};
+#endif
+
static const struct udevice_id fsl_esdhc_ids[] = {
{ .compatible = "fsl,imx6ul-usdhc", },
{ .compatible = "fsl,imx6sx-usdhc", },
{ .compatible = "fsl,imx6sl-usdhc", },
{ .compatible = "fsl,imx6q-usdhc", },
{ .compatible = "fsl,imx7d-usdhc", },
+ { .compatible = "fsl,imx7ulp-usdhc", },
+ { .compatible = "fsl,esdhc", },
{ /* sentinel */ }
};
+#if CONFIG_IS_ENABLED(BLK)
+static int fsl_esdhc_bind(struct udevice *dev)
+{
+ struct fsl_esdhc_plat *plat = dev_get_platdata(dev);
+
+ return mmc_bind(dev, &plat->mmc, &plat->cfg);
+}
+#endif
+
U_BOOT_DRIVER(fsl_esdhc) = {
.name = "fsl-esdhc-mmc",
.id = UCLASS_MMC,
.of_match = fsl_esdhc_ids,
+ .ops = &fsl_esdhc_ops,
+#if CONFIG_IS_ENABLED(BLK)
+ .bind = fsl_esdhc_bind,
+#endif
.probe = fsl_esdhc_probe,
+ .platdata_auto_alloc_size = sizeof(struct fsl_esdhc_plat),
.priv_auto_alloc_size = sizeof(struct fsl_esdhc_priv),
};
#endif
projects / u-boot / blobdiff