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arc: emsdp/iotdk: Switch to DM_MMC

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Somehow EMSDP & IoT DK boards were skipped on ARC boads conversion
to DM MMC. So doing it now.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
This commit is contained in:
Alexey Brodkin 2019-10-08 13:24:29 +03:00
parent 9f353ad88a
commit 0da32633ab
6 changed files with 49 additions and 61 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
arch/arc/dts/emsdp.dts
View File

@ -32,4 +32,27 @@
reg-shift = <2>;
reg-io-width = <4>;
};
mmcclk_biu: mmcclk-biu {
compatible = "fixed-clock";
clock-frequency = <50000000>;
#clock-cells = <0>;
};
mmcclk_ciu: mmcclk-ciu {
compatible = "fixed-clock";
clock-frequency = <100000000>;
#clock-cells = <0>;
};
mmc: mmc0@f0010000 {
compatible = "snps,dw-mshc";
reg = <0xf0010000 0x400>;
bus-width = <4>;
fifo-depth = <256>;
clocks = <&mmcclk_biu>, <&mmcclk_ciu>;
clock-names = "biu", "ciu";
max-frequency = <25000000>;
};
};

22
arch/arc/dts/iot_devkit.dts
View File

@ -42,4 +42,26 @@
compatible = "nop-phy";
#phy-cells = <0>;
};
mmcclk_biu: mmcclk-biu {
compatible = "fixed-clock";
clock-frequency = <50000000>;
#clock-cells = <0>;
};
mmcclk_ciu: mmcclk-ciu {
compatible = "fixed-clock";
clock-frequency = <50000000>;
#clock-cells = <0>;
};
mmc: mmc0@f000b000 {
compatible = "snps,dw-mshc";
reg = <0xf000b000 0x400>;
bus-width = <4>;
fifo-depth = <128>;
clocks = <&mmcclk_biu>, <&mmcclk_ciu>;
clock-names = "biu", "ciu";
max-frequency = <25000000>;
};
};

29
board/synopsys/emsdp/emsdp.c
View File

@ -85,35 +85,6 @@ int board_early_init_r(void)
return 0;
}
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 = SDIO_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 CREG_BASE 0xF0001000
#define CREG_BOOT (void *)(CREG_BASE + 0x0FF0)
#define CREG_IP_SW_RESET (void *)(CREG_BASE + 0x0FF0)

32
board/synopsys/iot_devkit/iot_devkit.c
View File

@ -145,38 +145,6 @@ int mach_cpu_init(void)
return set_cpu_freq(gd->cpu_clk);
}
#define ARC_PERIPHERAL_BASE 0xF0000000
#define SDIO_BASE (ARC_PERIPHERAL_BASE + 0xB000)
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 -ENOMEM;
}
memset(host, 0, sizeof(struct dwmci_host));
host->name = "Synopsys Mobile storage";
host->ioaddr = (void *)SDIO_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 IOTDK_RESET_SEQ 0x55AA6699
void reset_cpu(ulong addr)

2
configs/emsdp_defconfig
View File

@ -24,7 +24,9 @@ CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
# CONFIG_NET is not set
CONFIG_DM=y
CONFIG_MMC=y
CONFIG_DM_MMC=y
CONFIG_MMC_DW=y
CONFIG_MMC_DW_SNPS=y
CONFIG_DM_SERIAL=y
CONFIG_SYS_NS16550=y
CONFIG_FS_FAT_MAX_CLUSTSIZE=32768

2
configs/iot_devkit_defconfig
View File

@ -29,7 +29,9 @@ CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
# CONFIG_NET is not set
CONFIG_DM=y
CONFIG_MMC=y
CONFIG_DM_MMC=y
CONFIG_MMC_DW=y
CONFIG_MMC_DW_SNPS=y
CONFIG_DM_SERIAL=y
CONFIG_SYS_NS16550=y
CONFIG_USB=y