diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/fsl_esdhc.c | 43 | ||||
| -rw-r--r-- | drivers/mmc/hi6220_dw_mmc.c | 1 | ||||
| -rw-r--r-- | drivers/mmc/mtk-sd.c | 26 |
3 files changed, 56 insertions, 14 deletions
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index 2fa61c4259b..21fa2ab1d46 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -384,6 +384,25 @@ static void check_and_invalidate_dcache_range 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. @@ -546,8 +565,12 @@ static int esdhc_send_cmd_common(struct fsl_esdhc_priv *priv, struct mmc *mmc, * 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 } @@ -1029,8 +1052,12 @@ static int esdhc_init_common(struct fsl_esdhc_priv *priv, struct mmc *mmc) /* 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); @@ -1138,6 +1165,11 @@ static int fsl_esdhc_init(struct fsl_esdhc_priv *priv, 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); @@ -1162,6 +1194,15 @@ static int fsl_esdhc_init(struct fsl_esdhc_priv *priv, 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); diff --git a/drivers/mmc/hi6220_dw_mmc.c b/drivers/mmc/hi6220_dw_mmc.c index cc58aff38cc..effd1e4c7c8 100644 --- a/drivers/mmc/hi6220_dw_mmc.c +++ b/drivers/mmc/hi6220_dw_mmc.c @@ -77,6 +77,7 @@ static int hi6220_dwmmc_bind(struct udevice *dev) static const struct udevice_id hi6220_dwmmc_ids[] = { { .compatible = "hisilicon,hi6220-dw-mshc" }, + { .compatible = "hisilicon,hi3798cv200-dw-mshc" }, { } }; diff --git a/drivers/mmc/mtk-sd.c b/drivers/mmc/mtk-sd.c index 0741a525c01..d3f07783688 100644 --- a/drivers/mmc/mtk-sd.c +++ b/drivers/mmc/mtk-sd.c @@ -269,7 +269,7 @@ struct msdc_host { bool builtin_cd; /* card detection / write protection GPIOs */ -#ifdef CONFIG_DM_GPIO +#if IS_ENABLED(DM_GPIO) struct gpio_desc gpio_wp; struct gpio_desc gpio_cd; #endif @@ -554,6 +554,14 @@ static int msdc_pio_read(struct msdc_host *host, u8 *ptr, u32 size) break; } + chksz = min(size, (u32)MSDC_FIFO_SIZE); + + if (msdc_fifo_rx_bytes(host) >= chksz) { + msdc_fifo_read(host, ptr, chksz); + ptr += chksz; + size -= chksz; + } + if (status & MSDC_INT_XFER_COMPL) { if (size) { pr_err("data not fully read\n"); @@ -562,15 +570,7 @@ static int msdc_pio_read(struct msdc_host *host, u8 *ptr, u32 size) break; } - - chksz = min(size, (u32)MSDC_FIFO_SIZE); - - if (msdc_fifo_rx_bytes(host) >= chksz) { - msdc_fifo_read(host, ptr, chksz); - ptr += chksz; - size -= chksz; - } - } +} return ret; } @@ -849,7 +849,7 @@ static int msdc_ops_get_cd(struct udevice *dev) return !(val & MSDC_PS_CDSTS); } -#ifdef CONFIG_DM_GPIO +#if IS_ENABLED(DM_GPIO) if (!host->gpio_cd.dev) return 1; @@ -861,9 +861,9 @@ static int msdc_ops_get_cd(struct udevice *dev) static int msdc_ops_get_wp(struct udevice *dev) { +#if IS_ENABLED(DM_GPIO) struct msdc_host *host = dev_get_priv(dev); -#ifdef CONFIG_DM_GPIO if (!host->gpio_wp.dev) return 0; @@ -1332,7 +1332,7 @@ static int msdc_ofdata_to_platdata(struct udevice *dev) if (ret < 0) return ret; -#ifdef CONFIG_DM_GPIO +#if IS_ENABLED(DM_GPIO) gpio_request_by_name(dev, "wp-gpios", 0, &host->gpio_wp, GPIOD_IS_IN); gpio_request_by_name(dev, "cd-gpios", 0, &host->gpio_cd, GPIOD_IS_IN); #endif |