arm: rmobile: gose: Add support SDHI
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>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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 @@
#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 @@
/* 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;
}
@@ -123,6 +138,58 @@
writel(val, CXR25);
#endif
+ 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;
}
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_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 */