Merge tag 'mmc-2021-7-30' of https://source.denx.de/u-boot/custodians/u-boot-mmc

pl180_mmci update and cleanup
fix rpmb routing memory alignment

3 files changed, 38 insertions, 29 deletions

diff --git a/drivers/mmc/arm_pl180_mmci.c b/drivers/mmc/arm_pl180_mmci.c
index b2d1b4f..f99b5f9 100644
--- a/drivers/mmc/arm_pl180_mmci.c
+++ b/drivers/mmc/arm_pl180_mmci.c
@@ -424,7 +424,6 @@ static int arm_pl180_mmc_probe(struct udevice *dev)
 	struct pl180_mmc_host *host = dev_get_priv(dev);
 	struct mmc_config *cfg = &pdata->cfg;
 	struct clk clk;
-	u32 bus_width;
 	u32 periphid;
 	int ret;
 
@@ -444,37 +443,35 @@ static int arm_pl180_mmc_probe(struct udevice *dev)
 			    SDI_CLKCR_HWFC_EN;
 	host->clock_in = clk_get_rate(&clk);
 
+	cfg->name = dev->name;
+	cfg->voltages = VOLTAGE_WINDOW_SD;
+	cfg->host_caps = 0;
+	cfg->f_min = host->clock_in / (2 * (SDI_CLKCR_CLKDIV_INIT_V1 + 1));
+	cfg->f_max = MMC_CLOCK_MAX;
+	cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
+
 	periphid = dev_read_u32_default(dev, "arm,primecell-periphid", 0);
 	switch (periphid) {
 	case STM32_MMCI_ID: /* stm32 variant */
 		host->version2 = false;
 		break;
+	case UX500V2_MMCI_ID:
+		host->pwr_init = SDI_PWR_OPD | SDI_PWR_PWRCTRL_ON;
+		host->clkdiv_init = SDI_CLKCR_CLKDIV_INIT_V2 | SDI_CLKCR_CLKEN |
+				    SDI_CLKCR_HWFC_EN;
+		cfg->voltages = VOLTAGE_WINDOW_MMC;
+		cfg->f_min = host->clock_in / (2 + SDI_CLKCR_CLKDIV_INIT_V2);
+		host->version2 = true;
+		break;
 	default:
 		host->version2 = true;
 	}
 
-	cfg->name = dev->name;
-	cfg->voltages = VOLTAGE_WINDOW_SD;
-	cfg->host_caps = 0;
-	cfg->f_min = host->clock_in / (2 * (SDI_CLKCR_CLKDIV_INIT_V1 + 1));
-	cfg->f_max = dev_read_u32_default(dev, "max-frequency", MMC_CLOCK_MAX);
-	cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
-
 	gpio_request_by_name(dev, "cd-gpios", 0, &host->cd_gpio, GPIOD_IS_IN);
 
-	bus_width = dev_read_u32_default(dev, "bus-width", 1);
-	switch (bus_width) {
-	case 8:
-		cfg->host_caps |= MMC_MODE_8BIT;
-		/* Hosts capable of 8-bit transfers can also do 4 bits */
-	case 4:
-		cfg->host_caps |= MMC_MODE_4BIT;
-		break;
-	case 1:
-		break;
-	default:
-		dev_err(dev, "Invalid bus-width value %u\n", bus_width);
-	}
+	ret = mmc_of_parse(dev, cfg);
+	if (ret)
+		return ret;
 
 	arm_pl180_mmc_init(host);
 	mmc->priv = host;
@@ -526,20 +523,17 @@ static const struct dm_mmc_ops arm_pl180_dm_mmc_ops = {
 static int arm_pl180_mmc_of_to_plat(struct udevice *dev)
 {
 	struct pl180_mmc_host *host = dev_get_priv(dev);
-	fdt_addr_t addr;
 
-	addr = dev_read_addr(dev);
-	if (addr == FDT_ADDR_T_NONE)
+	host->base = dev_read_addr_ptr(dev);
+	if (!host->base)
 		return -EINVAL;
 
-	host->base = (void *)addr;
-
 	return 0;
 }
 
 static const struct udevice_id arm_pl180_mmc_match[] = {
 	{ .compatible = "arm,pl180" },
-	{ .compatible = "arm,primecell" },
+	{ .compatible = "arm,pl18x" },
 	{ /* sentinel */ }
 };
 
diff --git a/drivers/mmc/arm_pl180_mmci.h b/drivers/mmc/arm_pl180_mmci.h
index 61ee96a..15c29be 100644
--- a/drivers/mmc/arm_pl180_mmci.h
+++ b/drivers/mmc/arm_pl180_mmci.h
@@ -142,6 +142,7 @@
 #define SDI_FIFO_BURST_SIZE	8
 
 #define STM32_MMCI_ID		0x00880180
+#define UX500V2_MMCI_ID		0x10480180
 
 struct sdi_registers {
 	u32 power;		/* 0x00*/
diff --git a/drivers/mmc/rpmb.c b/drivers/mmc/rpmb.c
index ea7e506..b68d985 100644
--- a/drivers/mmc/rpmb.c
+++ b/drivers/mmc/rpmb.c
@@ -480,10 +480,24 @@ int mmc_rpmb_route_frames(struct mmc *mmc, void *req, unsigned long reqlen,
 	 * and possibly just delay an eventual error which will be harder
 	 * to track down.
 	 */
+	void *rpmb_data = NULL;
+	int ret;
 
 	if (reqlen % sizeof(struct s_rpmb) || rsplen % sizeof(struct s_rpmb))
 		return -EINVAL;
 
-	return rpmb_route_frames(mmc, req, reqlen / sizeof(struct s_rpmb),
-				 rsp, rsplen / sizeof(struct s_rpmb));
+	if (!IS_ALIGNED((uintptr_t)req, ARCH_DMA_MINALIGN)) {
+		/* Memory alignment is required by MMC driver */
+		rpmb_data = malloc(reqlen);
+		if (!rpmb_data)
+			return -ENOMEM;
+
+		memcpy(rpmb_data, req, reqlen);
+		req = rpmb_data;
+	}
+
+	ret = rpmb_route_frames(mmc, req, reqlen / sizeof(struct s_rpmb),
+				rsp, rsplen / sizeof(struct s_rpmb));
+	free(rpmb_data);
+	return ret;
 }