int timeout;
struct fsl_esdhc *regs = priv->esdhc_regs;
#if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \
- defined(CONFIG_IMX8) || defined(CONFIG_MX8M)
+ defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
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
#if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \
- defined(CONFIG_IMX8) || defined(CONFIG_MX8M)
+ defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
addr = virt_to_phys((void *)(data->dest));
if (upper_32_bits(addr))
printf("Error found for upper 32 bits\n");
wml_value << 16);
#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
#if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \
- defined(CONFIG_IMX8) || defined(CONFIG_MX8M)
+ defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
addr = virt_to_phys((void *)(data->src));
if (upper_32_bits(addr))
printf("Error found for upper 32 bits\n");
unsigned size = roundup(ARCH_DMA_MINALIGN,
data->blocks*data->blocksize);
#if defined(CONFIG_FSL_LAYERSCAPE) || defined(CONFIG_S32V234) || \
- defined(CONFIG_IMX8) || defined(CONFIG_MX8M)
+ defined(CONFIG_IMX8) || defined(CONFIG_IMX8M)
dma_addr_t addr;
addr = virt_to_phys((void *)(data->dest));
invalidate_dcache_range(start, end);
}
+#ifdef CONFIG_MCF5441x
+/*
+ * Swaps 32-bit words to little-endian byte order.
+ */
+static inline void sd_swap_dma_buff(struct mmc_data *data)
+{
+ int i, size = data->blocksize >> 2;
+ u32 *buffer = (u32 *)data->dest;
+ u32 sw;
+
+ while (data->blocks--) {
+ for (i = 0; i < size; i++) {
+ sw = __sw32(*buffer);
+ *buffer++ = sw;
+ }
+ }
+}
+#endif
+
/*
* Sends a command out on the bus. Takes the mmc pointer,
* a command pointer, and an optional data pointer.
uint irqstat;
u32 flags = IRQSTAT_CC | IRQSTAT_CTOE;
struct fsl_esdhc *regs = priv->esdhc_regs;
+ unsigned long start;
#ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC111
if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
flags = IRQSTAT_BRR;
/* Wait for the command to complete */
- while (!(esdhc_read32(®s->irqstat) & flags))
- ;
+ start = get_timer(0);
+ while (!(esdhc_read32(®s->irqstat) & flags)) {
+ if (get_timer(start) > 1000) {
+ err = -ETIMEDOUT;
+ goto out;
+ }
+ }
irqstat = esdhc_read32(®s->irqstat);
* cache-fill during the DMA operations such as the
* speculative pre-fetching etc.
*/
- if (data->flags & MMC_DATA_READ)
+ if (data->flags & MMC_DATA_READ) {
check_and_invalidate_dcache_range(cmd, data);
+#ifdef CONFIG_MCF5441x
+ sd_swap_dma_buff(data);
+#endif
+ }
#endif
}
/* Disable the BRR and BWR bits in IRQSTAT */
esdhc_clrbits32(®s->irqstaten, IRQSTATEN_BRR | IRQSTATEN_BWR);
+#ifdef CONFIG_MCF5441x
+ esdhc_write32(®s->proctl, PROCTL_INIT | PROCTL_D3CD);
+#else
/* Put the PROCTL reg back to the default */
esdhc_write32(®s->proctl, PROCTL_INIT);
+#endif
/* Set timout to the maximum value */
esdhc_clrsetbits32(®s->sysctl, SYSCTL_TIMEOUT_MASK, 14 << 16);
if (ret)
return ret;
+#ifdef CONFIG_MCF5441x
+ /* ColdFire, using SDHC_DATA[3] for card detection */
+ esdhc_write32(®s->proctl, PROCTL_INIT | PROCTL_D3CD);
+#endif
+
#ifndef CONFIG_FSL_USDHC
esdhc_setbits32(®s->sysctl, SYSCTL_PEREN | SYSCTL_HCKEN
| SYSCTL_IPGEN | SYSCTL_CKEN);
voltage_caps = 0;
caps = esdhc_read32(®s->hostcapblt);
+#ifdef CONFIG_MCF5441x
+ /*
+ * MCF5441x RM declares in more points that sdhc clock speed must
+ * never exceed 25 Mhz. From this, the HS bit needs to be disabled
+ * from host capabilities.
+ */
+ caps &= ~ESDHC_HOSTCAPBLT_HSS;
+#endif
+
#ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC135
caps = caps & ~(ESDHC_HOSTCAPBLT_SRS |
ESDHC_HOSTCAPBLT_VS18 | ESDHC_HOSTCAPBLT_VS30);
{
struct fsl_esdhc_priv *priv = dev_get_priv(dev);
- return true;
return esdhc_getcd_common(priv);
}
};
static const struct udevice_id fsl_esdhc_ids[] = {
+ { .compatible = "fsl,imx53-esdhc", },
{ .compatible = "fsl,imx6ul-usdhc", },
{ .compatible = "fsl,imx6sx-usdhc", },
{ .compatible = "fsl,imx6sl-usdhc", },