[U-Boot] [PATCH 3/3] ARC: [plat-axs10x]: migrate to DM_MMC

[Eugeniy Paltsev]

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev at synopsys.com>
---
 arch/arc/dts/axs10x_mb.dtsi    | 28 ++++++++++++++++++++++++++++
 board/synopsys/axs10x/axs10x.c | 29 -----------------------------
 configs/axs103_defconfig       |  2 ++
 3 files changed, 30 insertions(+), 29 deletions(-)

diff --git a/arch/arc/dts/axs10x_mb.dtsi b/arch/arc/dts/axs10x_mb.dtsi
index dfc03810ca0..caff5158b16 100644
--- a/arch/arc/dts/axs10x_mb.dtsi
+++ b/arch/arc/dts/axs10x_mb.dtsi
@@ -31,6 +31,25 @@
 				#clock-cells = <0>;
 				u-boot,dm-pre-reloc;
 			};
+
+			mmcclk_ciu: mmcclk-ciu {
+				compatible = "fixed-clock";
+				/*
+				 * DW sdio controller has external ciu clock divider
+				 * controlled via register in SDIO IP. It divides
+				 * sdio_ref_clk (which comes from CGU) by 16 for
+				 * default. So default mmcclk clock (which comes
+				 * to sdk_in) is 25000000 Hz.
+				 */
+				clock-frequency = <25000000>;
+				#clock-cells = <0>;
+			};
+
+			mmcclk_biu: mmcclk-biu {
+				compatible = "fixed-clock";
+				clock-frequency = <50000000>;
+				#clock-cells = <0>;
+			};
 		};
 
 		ethernet at 18000 {
@@ -53,6 +72,15 @@
 			reg = < 0x60000 0x100 >;
 		};
 
+		mmc: mmc at 15000 {
+			compatible = "snps,dw-mshc";
+			reg = <0x15000 0x400>;
+			bus-width = <4>;
+			clocks = <&mmcclk_biu>, <&mmcclk_ciu>;
+			clock-names = "biu", "ciu";
+			max-frequency = <25000000>;
+		};
+
 		uart0: serial0 at 22000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x22000 0x100>;
diff --git a/board/synopsys/axs10x/axs10x.c b/board/synopsys/axs10x/axs10x.c
index ffa7c154b54..7c4fcf281cb 100644
--- a/board/synopsys/axs10x/axs10x.c
+++ b/board/synopsys/axs10x/axs10x.c
@@ -11,35 +11,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-int board_mmc_init(bd_t *bis)
-{
-	struct dwmci_host *host = NULL;
-
-	host = malloc(sizeof(struct dwmci_host));
-	if (!host) {
-		printf("dwmci_host malloc fail!\n");
-		return 1;
-	}
-
-	memset(host, 0, sizeof(struct dwmci_host));
-	host->name = "Synopsys Mobile storage";
-	host->ioaddr = (void *)ARC_DWMMC_BASE;
-	host->buswidth = 4;
-	host->dev_index = 0;
-	host->bus_hz = 50000000;
-
-	add_dwmci(host, host->bus_hz / 2, 400000);
-
-	return 0;
-}
-
-int board_mmc_getcd(struct mmc *mmc)
-{
-	struct dwmci_host *host = mmc->priv;
-
-	return !(dwmci_readl(host, DWMCI_CDETECT) & 1);
-}
-
 #define AXS_MB_CREG	0xE0011000
 
 int board_early_init_f(void)
diff --git a/configs/axs103_defconfig b/configs/axs103_defconfig
index e7894d297cd..31c8fd152a6 100644
--- a/configs/axs103_defconfig
+++ b/configs/axs103_defconfig
@@ -35,7 +35,9 @@ CONFIG_DM=y
 CONFIG_DM_GPIO=y
 CONFIG_HSDK_CREG_GPIO=y
 CONFIG_MMC=y
+CONFIG_DM_MMC=y
 CONFIG_MMC_DW=y
+CONFIG_MMC_DW_SNPS=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_BAR=y
-- 
2.14.5