]> git.sur5r.net Git - u-boot/blobdiff - drivers/mmc/atmel_sdhci.c
Merge branch 'master' of git://git.denx.de/u-boot-spi
[u-boot] / drivers / mmc / atmel_sdhci.c
index 86e36a9c286c952d437b76e023421d226ebb434b..4be47ba75e3b453d2c27d48783a01378b584db9b 100644 (file)
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2015 Atmel Corporation
  *                   Wenyou.Yang <wenyou.yang@atmel.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -13,6 +12,7 @@
 #include <asm/arch/clk.h>
 
 #define ATMEL_SDHC_MIN_FREQ    400000
+#define ATMEL_SDHC_GCK_RATE    240000000
 
 #ifndef CONFIG_DM_MMC
 int atmel_sdhci_init(void *regbase, u32 id)
@@ -57,9 +57,6 @@ static int atmel_sdhci_probe(struct udevice *dev)
        struct atmel_sdhci_plat *plat = dev_get_platdata(dev);
        struct sdhci_host *host = dev_get_priv(dev);
        u32 max_clk;
-       u32 caps, caps_1;
-       u32 clk_base, clk_mul;
-       ulong gck_rate;
        struct clk clk;
        int ret;
 
@@ -72,23 +69,17 @@ static int atmel_sdhci_probe(struct udevice *dev)
                return ret;
 
        host->name = dev->name;
-       host->ioaddr = (void *)dev_get_addr(dev);
+       host->ioaddr = (void *)devfdt_get_addr(dev);
 
        host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD;
        host->bus_width = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
                                         "bus-width", 4);
 
-       caps = sdhci_readl(host, SDHCI_CAPABILITIES);
-       clk_base = (caps & SDHCI_CLOCK_V3_BASE_MASK) >> SDHCI_CLOCK_BASE_SHIFT;
-       caps_1 = sdhci_readl(host, SDHCI_CAPABILITIES_1);
-       clk_mul = (caps_1 & SDHCI_CLOCK_MUL_MASK) >> SDHCI_CLOCK_MUL_SHIFT;
-       gck_rate = clk_base * 1000000 * (clk_mul + 1);
-
        ret = clk_get_by_index(dev, 1, &clk);
        if (ret)
                return ret;
 
-       ret = clk_set_rate(&clk, gck_rate);
+       ret = clk_set_rate(&clk, ATMEL_SDHC_GCK_RATE);
        if (ret)
                return ret;