Gose board has three SDHI port. This adds GPIO configuration and initialization function of SDHI, and enables MMC command.
Signed-off-by: Nobuhiro Iwamatsu nobuhiro.iwamatsu.yj@renesas.com --- board/renesas/gose/gose.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++ configs/gose_defconfig | 1 + include/configs/gose.h | 6 +++++ 3 files changed, 74 insertions(+)
diff --git a/board/renesas/gose/gose.c b/board/renesas/gose/gose.c index d72bc29..bace439 100644 --- a/board/renesas/gose/gose.c +++ b/board/renesas/gose/gose.c @@ -18,6 +18,7 @@ #include <asm/gpio.h> #include <asm/arch/rmobile.h> #include <asm/arch/rcar-mstp.h> +#include <asm/arch/sh_sdhi.h> #include <netdev.h> #include <miiphy.h> #include <i2c.h> @@ -48,6 +49,14 @@ void s_init(void) #define SCIF0_MSTP721 (1 << 21) #define ETHER_MSTP813 (1 << 13)
+#define SDHI0_MSTP314 (1 << 14) +#define SDHI1_MSTP312 (1 << 12) +#define SDHI2_MSTP311 (1 << 11) + +#define SD1CKCR 0xE6150078 +#define SD2CKCR 0xE615026C +#define SD_97500KHZ 0x7 + int board_early_init_f(void) { /* TMU0 */ @@ -59,6 +68,12 @@ int board_early_init_f(void) /* ETHER */ mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
+ /* SDHI */ + mstp_clrbits_le32(MSTPSR3, SMSTPCR3, + SDHI0_MSTP314 | SDHI1_MSTP312 | SDHI2_MSTP311); + writel(SD_97500KHZ, SD1CKCR); + writel(SD_97500KHZ, SD2CKCR); + return 0; }
@@ -126,6 +141,58 @@ int board_eth_init(bd_t *bis) return ret; }
+int board_mmc_init(bd_t *bis) +{ + int ret = -ENODEV; + +#ifdef CONFIG_SH_SDHI + gpio_request(GPIO_FN_SD0_DATA0, NULL); + gpio_request(GPIO_FN_SD0_DATA1, NULL); + gpio_request(GPIO_FN_SD0_DATA2, NULL); + gpio_request(GPIO_FN_SD0_DATA3, NULL); + gpio_request(GPIO_FN_SD0_CLK, NULL); + gpio_request(GPIO_FN_SD0_CMD, NULL); + gpio_request(GPIO_FN_SD0_CD, NULL); + gpio_request(GPIO_FN_SD2_DATA0, NULL); + gpio_request(GPIO_FN_SD2_DATA1, NULL); + gpio_request(GPIO_FN_SD2_DATA2, NULL); + gpio_request(GPIO_FN_SD2_DATA3, NULL); + gpio_request(GPIO_FN_SD2_CLK, NULL); + gpio_request(GPIO_FN_SD2_CMD, NULL); + gpio_request(GPIO_FN_SD2_CD, NULL); + + /* SDHI 0 */ + gpio_request(GPIO_GP_7_17, NULL); + gpio_request(GPIO_GP_2_12, NULL); + gpio_direction_output(GPIO_GP_7_17, 1); /* power on */ + gpio_direction_output(GPIO_GP_2_12, 1); /* 1: 3.3V, 0: 1.8V */ + + ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0, + SH_SDHI_QUIRK_16BIT_BUF); + if (ret) + return ret; + + /* SDHI 1 */ + gpio_request(GPIO_GP_7_18, NULL); + gpio_request(GPIO_GP_2_13, NULL); + gpio_direction_output(GPIO_GP_7_18, 1); /* power on */ + gpio_direction_output(GPIO_GP_2_13, 1); /* 1: 3.3V, 0: 1.8V */ + + ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI1_BASE, 1, 0); + if (ret) + return ret; + + /* SDHI 2 */ + gpio_request(GPIO_GP_7_19, NULL); + gpio_request(GPIO_GP_2_26, NULL); + gpio_direction_output(GPIO_GP_7_19, 1); /* power on */ + gpio_direction_output(GPIO_GP_2_26, 1); /* 1: 3.3V, 0: 1.8V */ + + ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI2_BASE, 2, 0); +#endif + return ret; +} + int dram_init(void) { gd->ram_size = CONFIG_SYS_SDRAM_SIZE; diff --git a/configs/gose_defconfig b/configs/gose_defconfig index b5b7682..353f854 100644 --- a/configs/gose_defconfig +++ b/configs/gose_defconfig @@ -3,3 +3,4 @@ CONFIG_RMOBILE=y CONFIG_TARGET_GOSE=y CONFIG_DM=y CONFIG_DM_SERIAL=y +CONFIG_SH_SDHI=y diff --git a/include/configs/gose.h b/include/configs/gose.h index 808a8b0..0dc28c7 100644 --- a/include/configs/gose.h +++ b/include/configs/gose.h @@ -98,4 +98,10 @@ /* SCIF0 */ #define CONFIG_SMSTP7_ENA 0x00200000
+/* SDHI */ +#define CONFIG_MMC +#define CONFIG_CMD_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_SH_SDHI_FREQ 97500000 + #endif /* __GOSE_H */