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ARC: [plat-axs10x]: migrate to DM_MMC

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Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
This commit is contained in:
Eugeniy Paltsev 2019-03-21 16:37:23 +03:00 • committed by Alexey Brodkin
parent 54858311df
commit cc2f7b6c7d
3 changed files with 30 additions and 29 deletions
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28
arch/arc/dts/axs10x_mb.dtsi
View file

@ -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>;

29
board/synopsys/axs10x/axs10x.c
View file

@ -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)

2
configs/axs103_defconfig
View file

@ -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