diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/atmel_sdhci.c | 39 | ||||
| -rw-r--r-- | drivers/mmc/zynq_sdhci.c | 7 |
2 files changed, 42 insertions, 4 deletions
diff --git a/drivers/mmc/atmel_sdhci.c b/drivers/mmc/atmel_sdhci.c index 37b0beeed47..5347ba90431 100644 --- a/drivers/mmc/atmel_sdhci.c +++ b/drivers/mmc/atmel_sdhci.c @@ -15,6 +15,9 @@ #define ATMEL_SDHC_MIN_FREQ 400000 #define ATMEL_SDHC_GCK_RATE 240000000 +#define ATMEL_SDHC_MC1R 0x204 +#define ATMEL_SDHC_MC1R_FCD 0x80 + #ifndef CONFIG_DM_MMC int atmel_sdhci_init(void *regbase, u32 id) { @@ -52,11 +55,37 @@ struct atmel_sdhci_plat { struct mmc mmc; }; +static void atmel_sdhci_config_fcd(struct sdhci_host *host) +{ + u8 mc1r; + + /* If nonremovable, assume that the card is always present. + * + * WA: SAMA5D2 doesn't drive CMD if using CD GPIO line. + */ + if ((host->mmc->cfg->host_caps & MMC_CAP_NONREMOVABLE) +#if CONFIG_IS_ENABLED(DM_GPIO) + || dm_gpio_get_value(&host->cd_gpio) >= 0 +#endif + ) { + sdhci_readb(host, ATMEL_SDHC_MC1R); + mc1r |= ATMEL_SDHC_MC1R_FCD; + sdhci_writeb(host, mc1r, ATMEL_SDHC_MC1R); + } +} + static int atmel_sdhci_deferred_probe(struct sdhci_host *host) { struct udevice *dev = host->mmc->dev; + int ret; - return sdhci_probe(dev); + ret = sdhci_probe(dev); + if (ret) + return ret; + + atmel_sdhci_config_fcd(host); + + return 0; } static const struct sdhci_ops atmel_sdhci_ops = { @@ -120,7 +149,13 @@ static int atmel_sdhci_probe(struct udevice *dev) clk_free(&clk); - return sdhci_probe(dev); + ret = sdhci_probe(dev); + if (ret) + return ret; + + atmel_sdhci_config_fcd(host); + + return 0; } static int atmel_sdhci_bind(struct udevice *dev) diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c index e779251ce34..935540d1719 100644 --- a/drivers/mmc/zynq_sdhci.c +++ b/drivers/mmc/zynq_sdhci.c @@ -422,7 +422,8 @@ static int arasan_sdhci_execute_tuning(struct mmc *mmc, u8 opcode) mdelay(1); - arasan_zynqmp_dll_reset(host, priv->node_id); + if (device_is_compatible(mmc->dev, "xlnx,zynqmp-8.9a")) + arasan_zynqmp_dll_reset(host, priv->node_id); sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_INT_ENABLE); sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_SIGNAL_ENABLE); @@ -468,7 +469,9 @@ static int arasan_sdhci_execute_tuning(struct mmc *mmc, u8 opcode) } udelay(1); - arasan_zynqmp_dll_reset(host, priv->node_id); + + if (device_is_compatible(mmc->dev, "xlnx,zynqmp-8.9a")) + arasan_zynqmp_dll_reset(host, priv->node_id); /* Enable only interrupts served by the SD controller */ sdhci_writel(host, SDHCI_INT_DATA_MASK | SDHCI_INT_CMD_MASK, |