From cc2f7b6c7d7d5adeedecdb6c0599998b2e40b3f4 Mon Sep 17 00:00:00 2001 From: Eugeniy Paltsev Date: Thu, 21 Mar 2019 16:37:23 +0300 Subject: [PATCH] ARC: [plat-axs10x]: migrate to DM_MMC Signed-off-by: Eugeniy Paltsev Signed-off-by: Alexey Brodkin --- 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 b5aacd5170..6d97de9fd8 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@18000 { @@ -53,6 +72,15 @@ reg = < 0x60000 0x100 >; }; + mmc: mmc@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@22000 { compatible = "snps,dw-apb-uart"; reg = <0x22000 0x100>; diff --git a/board/synopsys/axs10x/axs10x.c b/board/synopsys/axs10x/axs10x.c index ffa7c154b5..7c4fcf281c 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 0c8af405a9..8255d9fa06 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_STMICRO=y -- 2.25.1