X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fmmc%2Fsdhci.c;h=766e9eef84a964df4e4762be5b864dd2743dcabf;hb=db37cc9c3954d5e33b218e5635e7e08ff902e3f6;hp=b2bf5a03fa84d9c1be6895bb0ef995cb5c7f6b94;hpb=f85fad024f208ceedb3ce0bb1819936e62a0983e;p=oweals%2Fu-boot.git

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index b2bf5a03fa..766e9eef84 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -87,7 +87,7 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data,
 		if (stat & SDHCI_INT_ERROR) {
 			printf("%s: Error detected in status(0x%X)!\n",
 			       __func__, stat);
-			return -1;
+			return -EIO;
 		}
 		if (stat & rdy) {
 			if (!(sdhci_readl(host, SDHCI_PRESENT_STATE) & mask))
@@ -110,7 +110,7 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data,
 			udelay(10);
 		else {
 			printf("%s: Transfer data timeout\n", __func__);
-			return -1;
+			return -ETIMEDOUT;
 		}
 	} while (!(stat & SDHCI_INT_DATA_END));
 	return 0;
@@ -242,6 +242,7 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
 
 	sdhci_writel(host, cmd->cmdarg, SDHCI_ARGUMENT);
 #ifdef CONFIG_MMC_SDMA
+	trans_bytes = ALIGN(trans_bytes, CONFIG_SYS_CACHELINE_SIZE);
 	flush_cache(start_addr, trans_bytes);
 #endif
 	sdhci_writew(host, SDHCI_MAKE_CMD(cmd->cmdidx, flags), SDHCI_COMMAND);
@@ -303,7 +304,7 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int clock)
 		if (timeout == 0) {
 			printf("%s: Timeout to wait cmd & data inhibit\n",
 			       __func__);
-			return -1;
+			return -EBUSY;
 		}
 
 		timeout--;
@@ -374,7 +375,7 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int clock)
 		if (timeout == 0) {
 			printf("%s: Internal clock never stabilised.\n",
 			       __func__);
-			return -1;
+			return -EBUSY;
 		}
 		timeout--;
 		udelay(1000);
@@ -477,7 +478,7 @@ static int sdhci_init(struct mmc *mmc)
 		if (!aligned_buffer) {
 			printf("%s: Aligned buffer alloc failed!!!\n",
 			       __func__);
-			return -1;
+			return -ENOMEM;
 		}
 	}
 
@@ -546,7 +547,11 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host,
 		return -EINVAL;
 	}
 #endif
-	host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
+	if (host->quirks & SDHCI_QUIRK_REG32_RW)
+		host->version =
+			sdhci_readl(host, SDHCI_HOST_VERSION - 2) >> 16;
+	else
+		host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
 
 	cfg->name = host->name;
 #ifndef CONFIG_DM_MMC_OPS
@@ -603,9 +608,11 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host,
 	 * In case of Host Controller v3.00, find out whether clock
 	 * multiplier is supported.
 	 */
-	caps_1 = sdhci_readl(host, SDHCI_CAPABILITIES_1);
-	host->clk_mul = (caps_1 & SDHCI_CLOCK_MUL_MASK) >>
-			SDHCI_CLOCK_MUL_SHIFT;
+	if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) {
+		caps_1 = sdhci_readl(host, SDHCI_CAPABILITIES_1);
+		host->clk_mul = (caps_1 & SDHCI_CLOCK_MUL_MASK) >>
+				SDHCI_CLOCK_MUL_SHIFT;
+	}
 
 	return 0;
 }
@@ -627,7 +634,7 @@ int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk)
 	host->mmc = mmc_create(&host->cfg, host);
 	if (host->mmc == NULL) {
 		printf("%s: mmc create fail!\n", __func__);
-		return -1;
+		return -ENOMEM;
 	}
 
 	return 0;