diff options
Diffstat (limited to 'drivers/mmc/sdhci.c')
| -rw-r--r-- | drivers/mmc/sdhci.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 0178ed8a11e..af654ea8d13 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -111,7 +111,7 @@ static void sdhci_prepare_dma(struct sdhci_host *host, struct mmc_data *data, } #if CONFIG_IS_ENABLED(MMC_SDHCI_ADMA) else if (host->flags & (USE_ADMA | USE_ADMA64)) { - sdhci_prepare_adma_table(host->adma_desc_table, data, + sdhci_prepare_adma_table(host, host->adma_desc_table, data, host->start_addr); sdhci_writel(host, lower_32_bits(host->adma_addr), @@ -897,14 +897,15 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host, __func__); return -EINVAL; } - host->adma_desc_table = sdhci_adma_init(); - host->adma_addr = (dma_addr_t)host->adma_desc_table; + if (!host->adma_desc_table) { + host->adma_desc_table = sdhci_adma_init(); + host->adma_addr = virt_to_phys(host->adma_desc_table); + } -#ifdef CONFIG_DMA_ADDR_T_64BIT - host->flags |= USE_ADMA64; -#else - host->flags |= USE_ADMA; -#endif + if (IS_ENABLED(CONFIG_MMC_SDHCI_ADMA_64BIT)) + host->flags |= USE_ADMA64; + else + host->flags |= USE_ADMA; #endif if (host->quirks & SDHCI_QUIRK_REG32_RW) host->version = @@ -929,6 +930,15 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host, debug("%s, caps_1: 0x%x\n", __func__, caps_1); host->clk_mul = (caps_1 & SDHCI_CLOCK_MUL_MASK) >> SDHCI_CLOCK_MUL_SHIFT; + + /* + * In case the value in Clock Multiplier is 0, then programmable + * clock mode is not supported, otherwise the actual clock + * multiplier is one more than the value of Clock Multiplier + * in the Capabilities Register. + */ + if (host->clk_mul) + host->clk_mul += 1; } if (host->max_clk == 0) { |