arm: rmobile: alt: Add support SDHI

Alt board has two 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>

5 files changed, 308 insertions, 13 deletions

diff --git a/arch/arm/cpu/armv7/rmobile/pfc-r8a7794.c b/arch/arm/cpu/armv7/rmobile/pfc-r8a7794.c
index e123663..7ea5edc 100644
--- a/arch/arm/cpu/armv7/rmobile/pfc-r8a7794.c
+++ b/arch/arm/cpu/armv7/rmobile/pfc-r8a7794.c
@@ -151,8 +151,18 @@ enum {
 	FN_IP0_9_8, FN_IP0_10, FN_IP0_11, FN_IP0_12, FN_IP0_13, FN_IP0_14,
 	FN_IP0_15, FN_IP0_16, FN_IP0_17, FN_IP0_19_18, FN_IP0_21_20,
 
+	/* IPSR0 */
+	FN_SD1_CD, FN_CAN0_RX, FN_SD1_WP, FN_IRQ7, FN_CAN0_TX, FN_MMC_CLK,
+	FN_SD2_CLK, FN_MMC_CMD, FN_SD2_CMD, FN_MMC_D0, FN_SD2_DATA0, FN_MMC_D1,
+	FN_SD2_DATA1, FN_MMC_D2, FN_SD2_DATA2, FN_MMC_D3, FN_SD2_DATA3,
+	FN_MMC_D4, FN_SD2_CD, FN_MMC_D5, FN_SD2_WP, FN_MMC_D6, FN_SCIF0_RXD,
+	FN_I2C2_SCL_B, FN_CAN1_RX, FN_MMC_D7, FN_SCIF0_TXD, FN_I2C2_SDA_B,
+	FN_CAN1_TX, FN_D0, FN_SCIFA3_SCK_B, FN_IRQ4, FN_D1, FN_SCIFA3_RXD_B,
+	FN_D2, FN_SCIFA3_TXD_B, FN_D3, FN_I2C3_SCL_B, FN_SCIF5_RXD_B, FN_D4,
+	FN_I2C3_SDA_B, FN_SCIF5_TXD_B, FN_D5, FN_SCIF4_RXD_B, FN_I2C0_SCL_D,
+
 	/*
-	 * From IPSR0 to IPSR5 have been removed because they does not use.
+	 * From IPSR1 to IPSR5 have been removed because they does not use.
 	 */
 
 	/* IPSR6 */
@@ -285,8 +295,20 @@ enum {
 	SD1_CLK_MARK, SD1_CMD_MARK, SD1_DATA0_MARK, SD1_DATA1_MARK,
 	SD1_DATA2_MARK, SD1_DATA3_MARK,
 
+	/* IPSR0 */
+	SD1_CD_MARK, CAN0_RX_MARK, SD1_WP_MARK, IRQ7_MARK, CAN0_TX_MARK,
+	MMC_CLK_MARK, SD2_CLK_MARK, MMC_CMD_MARK, SD2_CMD_MARK, MMC_D0_MARK,
+	SD2_DATA0_MARK, MMC_D1_MARK, SD2_DATA1_MARK, MMC_D2_MARK,
+	SD2_DATA2_MARK, MMC_D3_MARK, SD2_DATA3_MARK, MMC_D4_MARK, SD2_CD_MARK,
+	MMC_D5_MARK, SD2_WP_MARK, MMC_D6_MARK, SCIF0_RXD_MARK, I2C2_SCL_B_MARK,
+	CAN1_RX_MARK, MMC_D7_MARK, SCIF0_TXD_MARK, I2C2_SDA_B_MARK,
+	CAN1_TX_MARK, D0_MARK, SCIFA3_SCK_B_MARK, IRQ4_MARK, D1_MARK,
+	SCIFA3_RXD_B_MARK, D2_MARK, SCIFA3_TXD_B_MARK, D3_MARK, I2C3_SCL_B_MARK,
+	SCIF5_RXD_B_MARK, D4_MARK, I2C3_SDA_B_MARK, SCIF5_TXD_B_MARK, D5_MARK,
+	SCIF4_RXD_B_MARK, I2C0_SCL_D_MARK,
+
 	/*
-	 * From IPSR0 to IPSR5 have been removed because they does not use.
+	 * From IPSR1 to IPSR5 have been removed because they does not use.
 	 */
 
 	/* IPSR6 */
@@ -399,8 +421,55 @@ static pinmux_enum_t pinmux_data[] = {
 	PINMUX_DATA(SD1_DATA2_MARK, FN_SD1_DATA2),
 	PINMUX_DATA(SD1_DATA3_MARK, FN_SD1_DATA3),
 
+	/* IPSR0 */
+	PINMUX_IPSR_DATA(IP0_0, SD1_CD),
+	PINMUX_IPSR_MODSEL_DATA(IP0_0, CAN0_RX, SEL_CAN0_0),
+	PINMUX_IPSR_DATA(IP0_9_8, SD1_WP),
+	PINMUX_IPSR_DATA(IP0_9_8, IRQ7),
+	PINMUX_IPSR_MODSEL_DATA(IP0_9_8, CAN0_TX, SEL_CAN0_0),
+	PINMUX_IPSR_DATA(IP0_10, MMC_CLK),
+	PINMUX_IPSR_DATA(IP0_10, SD2_CLK),
+	PINMUX_IPSR_DATA(IP0_11, MMC_CMD),
+	PINMUX_IPSR_DATA(IP0_11, SD2_CMD),
+	PINMUX_IPSR_DATA(IP0_12, MMC_D0),
+	PINMUX_IPSR_DATA(IP0_12, SD2_DATA0),
+	PINMUX_IPSR_DATA(IP0_13, MMC_D1),
+	PINMUX_IPSR_DATA(IP0_13, SD2_DATA1),
+	PINMUX_IPSR_DATA(IP0_14, MMC_D2),
+	PINMUX_IPSR_DATA(IP0_14, SD2_DATA2),
+	PINMUX_IPSR_DATA(IP0_15, MMC_D3),
+	PINMUX_IPSR_DATA(IP0_15, SD2_DATA3),
+	PINMUX_IPSR_DATA(IP0_16, MMC_D4),
+	PINMUX_IPSR_DATA(IP0_16, SD2_CD),
+	PINMUX_IPSR_DATA(IP0_17, MMC_D5),
+	PINMUX_IPSR_DATA(IP0_17, SD2_WP),
+	PINMUX_IPSR_DATA(IP0_19_18, MMC_D6),
+	PINMUX_IPSR_MODSEL_DATA(IP0_19_18, SCIF0_RXD, SEL_SCIF0_0),
+	PINMUX_IPSR_MODSEL_DATA(IP0_19_18, I2C2_SCL_B, SEL_I2C02_1),
+	PINMUX_IPSR_MODSEL_DATA(IP0_19_18, CAN1_RX, SEL_CAN1_0),
+	PINMUX_IPSR_DATA(IP0_21_20, MMC_D7),
+	PINMUX_IPSR_MODSEL_DATA(IP0_21_20, SCIF0_TXD, SEL_SCIF0_0),
+	PINMUX_IPSR_MODSEL_DATA(IP0_21_20, I2C2_SDA_B, SEL_I2C02_1),
+	PINMUX_IPSR_MODSEL_DATA(IP0_21_20, CAN1_TX, SEL_CAN1_0),
+	PINMUX_IPSR_DATA(IP0_23_22, D0),
+	PINMUX_IPSR_MODSEL_DATA(IP0_23_22, SCIFA3_SCK_B, SEL_SCIFA3_1),
+	PINMUX_IPSR_DATA(IP0_23_22, IRQ4),
+	PINMUX_IPSR_DATA(IP0_24, D1),
+	PINMUX_IPSR_MODSEL_DATA(IP0_24, SCIFA3_RXD_B, SEL_SCIFA3_1),
+	PINMUX_IPSR_DATA(IP0_25, D2),
+	PINMUX_IPSR_MODSEL_DATA(IP0_25, SCIFA3_TXD_B, SEL_SCIFA3_1),
+	PINMUX_IPSR_DATA(IP0_27_26, D3),
+	PINMUX_IPSR_MODSEL_DATA(IP0_27_26, I2C3_SCL_B, SEL_I2C03_1),
+	PINMUX_IPSR_MODSEL_DATA(IP0_27_26, SCIF5_RXD_B, SEL_SCIF5_1),
+	PINMUX_IPSR_DATA(IP0_29_28, D4),
+	PINMUX_IPSR_MODSEL_DATA(IP0_29_28, I2C3_SDA_B, SEL_I2C03_1),
+	PINMUX_IPSR_MODSEL_DATA(IP0_29_28, SCIF5_TXD_B, SEL_SCIF5_1),
+	PINMUX_IPSR_DATA(IP0_31_30, D5),
+	PINMUX_IPSR_MODSEL_DATA(IP0_31_30, SCIF4_RXD_B, SEL_SCIF4_1),
+	PINMUX_IPSR_MODSEL_DATA(IP0_31_30, I2C0_SCL_D, SEL_I2C00_3),
+
 	/*
-	 * From IPSR0 to IPSR5 have been removed because they does not use.
+	 * From IPSR1 to IPSR5 have been removed because they does not use.
 	 */
 
 	/* IPSR6 */
@@ -674,8 +743,23 @@ static struct pinmux_gpio pinmux_gpios[] = {
 	GPIO_FN(SD1_CLK), GPIO_FN(SD1_CMD), GPIO_FN(SD1_DATA0),
 	GPIO_FN(SD1_DATA1), GPIO_FN(SD1_DATA2), GPIO_FN(SD1_DATA3),
 
+	/* IPSR0 */
+	GPIO_FN(SD1_CD), GPIO_FN(CAN0_RX), GPIO_FN(SD1_WP), GPIO_FN(IRQ7),
+	GPIO_FN(CAN0_TX), GPIO_FN(MMC_CLK), GPIO_FN(SD2_CLK), GPIO_FN(MMC_CMD),
+	GPIO_FN(SD2_CMD), GPIO_FN(MMC_D0), GPIO_FN(SD2_DATA0), GPIO_FN(MMC_D1),
+	GPIO_FN(SD2_DATA1), GPIO_FN(MMC_D2), GPIO_FN(SD2_DATA2),
+	GPIO_FN(MMC_D3), GPIO_FN(SD2_DATA3), GPIO_FN(MMC_D4),
+	GPIO_FN(SD2_CD), GPIO_FN(MMC_D5), GPIO_FN(SD2_WP), GPIO_FN(MMC_D6),
+	GPIO_FN(SCIF0_RXD), GPIO_FN(I2C2_SCL_B), GPIO_FN(CAN1_RX),
+	GPIO_FN(MMC_D7), GPIO_FN(SCIF0_TXD), GPIO_FN(I2C2_SDA_B),
+	GPIO_FN(CAN1_TX), GPIO_FN(D0), GPIO_FN(SCIFA3_SCK_B), GPIO_FN(IRQ4),
+	GPIO_FN(D1), GPIO_FN(SCIFA3_RXD_B), GPIO_FN(D2), GPIO_FN(SCIFA3_TXD_B),
+	GPIO_FN(D3), GPIO_FN(I2C3_SCL_B), GPIO_FN(SCIF5_RXD_B), GPIO_FN(D4),
+	GPIO_FN(I2C3_SDA_B), GPIO_FN(SCIF5_TXD_B), GPIO_FN(D5),
+	GPIO_FN(SCIF4_RXD_B), GPIO_FN(I2C0_SCL_D),
+
 	/*
-	 * From IPSR0 to IPSR5 have been removed because they does not use
+	 * From IPSR1 to IPSR5 have been removed because they does not use.
 	 */
 
 	/* IPSR6 */
@@ -1017,9 +1101,63 @@ static struct pinmux_cfg_reg pinmux_config_regs[] = {
 		GP_6_1_FN, FN_SD0_CMD,
 		GP_6_0_FN, FN_SD0_CLK }
 	},
+	{ PINMUX_CFG_REG_VAR("IPSR0", 0xE6060020, 32,
+			     2, 2, 2, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
+			     2, 1, 1, 1, 1, 1, 1, 1, 1) {
+		/* IP0_31_30 [2] */
+		FN_D5, FN_SCIF4_RXD_B, FN_I2C0_SCL_D, 0,
+		/* IP0_29_28 [2] */
+		FN_D4, FN_I2C3_SDA_B, FN_SCIF5_TXD_B, 0,
+		/* IP0_27_26 [2] */
+		FN_D3, FN_I2C3_SCL_B, FN_SCIF5_RXD_B, 0,
+		/* IP0_25 [1] */
+		FN_D2, FN_SCIFA3_TXD_B,
+		/* IP0_24 [1] */
+		FN_D1, FN_SCIFA3_RXD_B,
+		/* IP0_23_22 [2] */
+		FN_D0, FN_SCIFA3_SCK_B, FN_IRQ4, 0,
+		/* IP0_21_20 [2] */
+		FN_MMC_D7, FN_SCIF0_TXD, FN_I2C2_SDA_B, FN_CAN1_TX,
+		/* IP0_19_18 [2] */
+		FN_MMC_D6, FN_SCIF0_RXD, FN_I2C2_SCL_B,	FN_CAN1_RX,
+		/* IP0_17 [1] */
+		FN_MMC_D5, FN_SD2_WP,
+		/* IP0_16 [1] */
+		FN_MMC_D4, FN_SD2_CD,
+		/* IP0_15 [1] */
+		FN_MMC_D3, FN_SD2_DATA3,
+		/* IP0_14 [1] */
+		FN_MMC_D2, FN_SD2_DATA2,
+		/* IP0_13 [1] */
+		FN_MMC_D1, FN_SD2_DATA1,
+		/* IP0_12 [1] */
+		FN_MMC_D0, FN_SD2_DATA0,
+		/* IP0_11 [1] */
+		FN_MMC_CMD, FN_SD2_CMD,
+		/* IP0_10 [1] */
+		FN_MMC_CLK, FN_SD2_CLK,
+		/* IP0_9_8 [2] */
+		FN_SD1_WP, FN_IRQ7, FN_CAN0_TX, 0,
+		/* IP0_7 [1] */
+		0, 0,
+		/* IP0_6 [1] */
+		0, 0,
+		/* IP0_5 [1] */
+		0, 0,
+		/* IP0_4 [1] */
+		0, 0,
+		/* IP0_3 [1] */
+		0, 0,
+		/* IP0_2 [1] */
+		0, 0,
+		/* IP0_1 [1] */
+		0, 0,
+		/* IP0_0 [1] */
+		FN_SD1_CD, FN_CAN0_RX, }
+	},
 
 	/*
-	 * From IPSR0 to IPSR5 have been removed because they does not use.
+	 * From IPSR1 to IPSR5 have been removed because they does not use.
 	 */
 
 	{ PINMUX_CFG_REG_VAR("IPSR6", 0xE6060038, 32,
diff --git a/arch/arm/include/asm/arch-rmobile/r8a7794-gpio.h b/arch/arm/include/asm/arch-rmobile/r8a7794-gpio.h
index a45a67c..8a002a8 100644
--- a/arch/arm/include/asm/arch-rmobile/r8a7794-gpio.h
+++ b/arch/arm/include/asm/arch-rmobile/r8a7794-gpio.h
@@ -74,8 +74,23 @@ enum {
 	GPIO_FN_SD1_CLK, GPIO_FN_SD1_CMD, GPIO_FN_SD1_DATA0,
 	GPIO_FN_SD1_DATA1, GPIO_FN_SD1_DATA2, GPIO_FN_SD1_DATA3,
 
+	/* IPSR0 */
+	GPIO_FN_SD1_CD, GPIO_FN_CAN0_RX, GPIO_FN_SD1_WP, GPIO_FN_IRQ7,
+	GPIO_FN_CAN0_TX, GPIO_FN_MMC_CLK, GPIO_FN_SD2_CLK, GPIO_FN_MMC_CMD,
+	GPIO_FN_SD2_CMD, GPIO_FN_MMC_D0, GPIO_FN_SD2_DATA0, GPIO_FN_MMC_D1,
+	GPIO_FN_SD2_DATA1, GPIO_FN_MMC_D2, GPIO_FN_SD2_DATA2,
+	GPIO_FN_MMC_D3, GPIO_FN_SD2_DATA3, GPIO_FN_MMC_D4,
+	GPIO_FN_SD2_CD, GPIO_FN_MMC_D5, GPIO_FN_SD2_WP, GPIO_FN_MMC_D6,
+	GPIO_FN_SCIF0_RXD, GPIO_FN_I2C2_SCL_B, GPIO_FN_CAN1_RX, GPIO_FN_MMC_D7,
+	GPIO_FN_SCIF0_TXD, GPIO_FN_I2C2_SDA_B, GPIO_FN_CAN1_TX, GPIO_FN_D0,
+	GPIO_FN_SCIFA3_SCK_B, GPIO_FN_IRQ4, GPIO_FN_D1, GPIO_FN_SCIFA3_RXD_B,
+	GPIO_FN_D2, GPIO_FN_SCIFA3_TXD_B, GPIO_FN_D3, GPIO_FN_I2C3_SCL_B,
+	GPIO_FN_SCIF5_RXD_B, GPIO_FN_D4, GPIO_FN_I2C3_SDA_B,
+	GPIO_FN_SCIF5_TXD_B, GPIO_FN_D5, GPIO_FN_SCIF4_RXD_B,
+	GPIO_FN_I2C0_SCL_D,
+
 	/*
-	 * From IPSR0 to IPSR5 have been removed because they does not use.
+	 * From IPSR1 to IPSR5 have been removed because they does not use.
 	 */
 
 	/* IPSR6 */
@@ -144,9 +159,54 @@ enum {
 	GPIO_FN_SCIF5_RXD, GPIO_FN_I2C2_SCL_C, GPIO_FN_DU1_DR2,
 	GPIO_FN_RIF1_D0_B, GPIO_FN_TS_SDEN_D, GPIO_FN_FMCLK_C, GPIO_FN_RDS_CLK,
 
-	/*
-	 * From IPSR9 to IPSR10 have been removed because they does not use.
-	 */
+	/* IPSR9 */
+	GPIO_FN_MSIOF0_TXD, GPIO_FN_SCIF5_TXD, GPIO_FN_I2C2_SDA_C,
+	GPIO_FN_DU1_DR3, GPIO_FN_RIF1_D1_B, GPIO_FN_TS_SPSYNC_D, GPIO_FN_FMIN_C,
+	GPIO_FN_RDS_DATA, GPIO_FN_MSIOF0_SCK, GPIO_FN_IRQ0, GPIO_FN_TS_SDATA,
+	GPIO_FN_DU1_DR4, GPIO_FN_RIF1_SYNC, GPIO_FN_TPUTO1_C,
+	GPIO_FN_MSIOF0_SYNC, GPIO_FN_PWM1, GPIO_FN_TS_SCK, GPIO_FN_DU1_DR5,
+	GPIO_FN_RIF1_CLK, GPIO_FN_BPFCLK_B, GPIO_FN_MSIOF0_SS1,
+	GPIO_FN_SCIFA0_RXD, GPIO_FN_TS_SDEN, GPIO_FN_DU1_DR6, GPIO_FN_RIF1_D0,
+	GPIO_FN_FMCLK_B, GPIO_FN_RDS_CLK_B, GPIO_FN_MSIOF0_SS2,
+	GPIO_FN_SCIFA0_TXD, GPIO_FN_TS_SPSYNC, GPIO_FN_DU1_DR7, GPIO_FN_RIF1_D1,
+	GPIO_FN_FMIN_B, GPIO_FN_RDS_DATA_B, GPIO_FN_HSCIF1_HRX,
+	GPIO_FN_I2C4_SCL, GPIO_FN_PWM6, GPIO_FN_DU1_DG0, GPIO_FN_HSCIF1_HTX,
+	GPIO_FN_I2C4_SDA, GPIO_FN_TPUTO1, GPIO_FN_DU1_DG1, GPIO_FN_HSCIF1_HSCK,
+	GPIO_FN_PWM2, GPIO_FN_IETX, GPIO_FN_DU1_DG2, GPIO_FN_REMOCON_B,
+	GPIO_FN_SPEEDIN_B, GPIO_FN_VSP_B, GPIO_FN_HSCIF1_HCTS_N,
+	GPIO_FN_SCIFA4_RXD, GPIO_FN_IECLK, GPIO_FN_DU1_DG3, GPIO_FN_SSI_SCK1_B,
+	GPIO_FN_CAN_DEBUG_HW_TRIGGER, GPIO_FN_CC50_STATE32,
+	GPIO_FN_HSCIF1_HRTS_N, GPIO_FN_SCIFA4_TXD, GPIO_FN_IERX,
+	GPIO_FN_DU1_DG4, GPIO_FN_SSI_WS1_B, GPIO_FN_CAN_STEP0,
+	GPIO_FN_CC50_STATE33, GPIO_FN_SCIF1_SCK, GPIO_FN_PWM3, GPIO_FN_TCLK2,
+	GPIO_FN_DU1_DG5, GPIO_FN_SSI_SDATA1_B, GPIO_FN_CAN_TXCLK,
+	GPIO_FN_CC50_STATE34,
+
+	/* IPSR10 */
+	GPIO_FN_SCIF1_RXD, GPIO_FN_IIC0_SCL, GPIO_FN_DU1_DG6,
+	GPIO_FN_SSI_SCK2_B, GPIO_FN_CAN_DEBUGOUT0, GPIO_FN_CC50_STATE35,
+	GPIO_FN_SCIF1_TXD, GPIO_FN_IIC0_SDA, GPIO_FN_DU1_DG7, GPIO_FN_SSI_WS2_B,
+	GPIO_FN_CAN_DEBUGOUT1, GPIO_FN_CC50_STATE36, GPIO_FN_SCIF2_RXD,
+	GPIO_FN_IIC1_SCL, GPIO_FN_DU1_DB0, GPIO_FN_SSI_SDATA2_B,
+	GPIO_FN_USB0_EXTLP, GPIO_FN_CAN_DEBUGOUT2, GPIO_FN_CC50_STATE37,
+	GPIO_FN_SCIF2_TXD, GPIO_FN_IIC1_SDA, GPIO_FN_DU1_DB1,
+	GPIO_FN_SSI_SCK9_B, GPIO_FN_USB0_OVC1, GPIO_FN_CAN_DEBUGOUT3,
+	GPIO_FN_CC50_STATE38, GPIO_FN_SCIF2_SCK, GPIO_FN_IRQ1, GPIO_FN_DU1_DB2,
+	GPIO_FN_SSI_WS9_B, GPIO_FN_USB0_IDIN, GPIO_FN_CAN_DEBUGOUT4,
+	GPIO_FN_CC50_STATE39, GPIO_FN_SCIF3_SCK, GPIO_FN_IRQ2, GPIO_FN_BPFCLK_D,
+	GPIO_FN_DU1_DB3, GPIO_FN_SSI_SDATA9_B, GPIO_FN_TANS2,
+	GPIO_FN_CAN_DEBUGOUT5, GPIO_FN_CC50_OSCOUT, GPIO_FN_SCIF3_RXD,
+	GPIO_FN_I2C1_SCL_E, GPIO_FN_FMCLK_D, GPIO_FN_DU1_DB4,
+	GPIO_FN_AUDIO_CLKA_C, GPIO_FN_SSI_SCK4_B, GPIO_FN_CAN_DEBUGOUT6,
+	GPIO_FN_RDS_CLK_C, GPIO_FN_SCIF3_TXD, GPIO_FN_I2C1_SDA_E,
+	GPIO_FN_FMIN_D, GPIO_FN_DU1_DB5, GPIO_FN_AUDIO_CLKB_C,
+	GPIO_FN_SSI_WS4_B, GPIO_FN_CAN_DEBUGOUT7, GPIO_FN_RDS_DATA_C,
+	GPIO_FN_I2C2_SCL, GPIO_FN_SCIFA5_RXD, GPIO_FN_DU1_DB6,
+	GPIO_FN_AUDIO_CLKC_C, GPIO_FN_SSI_SDATA4_B, GPIO_FN_CAN_DEBUGOUT8,
+	GPIO_FN_I2C2_SDA, GPIO_FN_SCIFA5_TXD, GPIO_FN_DU1_DB7,
+	GPIO_FN_AUDIO_CLKOUT_C, GPIO_FN_CAN_DEBUGOUT9, GPIO_FN_SSI_SCK5,
+	GPIO_FN_SCIFA3_SCK, GPIO_FN_CAN_DEBUGOUT10,
+	GPIO_FN_DU1_DOTCLKIN,
 
 	/* IPSR11 */
 	GPIO_FN_SSI_WS5, GPIO_FN_SCIFA3_RXD, GPIO_FN_I2C3_SCL_C,
@@ -168,9 +228,49 @@ enum {
 	GPIO_FN_AD_DO_B, GPIO_FN_SSI_SDATA0, GPIO_FN_MSIOF1_SCK_B,
 	GPIO_FN_PWM0_B, GPIO_FN_ADICLK_B, GPIO_FN_AD_CLK_B,
 
-	/*
-	 * From IPSR12 to IPSR13 have been removed because they does not use.
-	 */
+	/* IPSR12 */
+	GPIO_FN_SSI_SCK34, GPIO_FN_MSIOF1_SYNC_B, GPIO_FN_SCIFA1_SCK_C,
+	GPIO_FN_ADICHS0_B, GPIO_FN_AD_NCS_N_B, GPIO_FN_DREQ1_N_B,
+	GPIO_FN_SSI_WS34, GPIO_FN_MSIOF1_SS1_B, GPIO_FN_SCIFA1_RXD_C,
+	GPIO_FN_ADICHS1_B, GPIO_FN_CAN1_RX_C, GPIO_FN_DACK1_B,
+	GPIO_FN_SSI_SDATA3, GPIO_FN_MSIOF1_SS2_B, GPIO_FN_SCIFA1_TXD_C,
+	GPIO_FN_ADICHS2_B, GPIO_FN_CAN1_TX_C, GPIO_FN_DREQ2_N, GPIO_FN_SSI_SCK4,
+	GPIO_FN_MLB_CK, GPIO_FN_IETX_B, GPIO_FN_IRD_TX, GPIO_FN_SSI_WS4,
+	GPIO_FN_MLB_SIG, GPIO_FN_IECLK_B, GPIO_FN_IRD_RX, GPIO_FN_SSI_SDATA4,
+	GPIO_FN_MLB_DAT, GPIO_FN_IERX_B, GPIO_FN_IRD_SCK, GPIO_FN_SSI_SDATA8,
+	GPIO_FN_SCIF1_SCK_B, GPIO_FN_PWM1_B, GPIO_FN_IRQ9, GPIO_FN_REMOCON,
+	GPIO_FN_DACK2, GPIO_FN_ETH_MDIO_B, GPIO_FN_SSI_SCK1,
+	GPIO_FN_SCIF1_RXD_B, GPIO_FN_IIC1_SCL_C, GPIO_FN_VI1_CLK,
+	GPIO_FN_CAN0_RX_D, GPIO_FN_AVB_AVTP_CAPTURE, GPIO_FN_ETH_CRS_DV_B,
+	GPIO_FN_SSI_WS1, GPIO_FN_SCIF1_TXD_B, GPIO_FN_IIC1_SDA_C,
+	GPIO_FN_VI1_DATA0, GPIO_FN_CAN0_TX_D, GPIO_FN_AVB_AVTP_MATCH,
+	GPIO_FN_ETH_RX_ER_B, GPIO_FN_SSI_SDATA1, GPIO_FN_HSCIF1_HRX_B,
+	GPIO_FN_VI1_DATA1, GPIO_FN_SDATA, GPIO_FN_ATAG0_N, GPIO_FN_ETH_RXD0_B,
+	GPIO_FN_SSI_SCK2, GPIO_FN_HSCIF1_HTX_B, GPIO_FN_VI1_DATA2,
+	GPIO_FN_MDATA, GPIO_FN_ATAWR0_N, GPIO_FN_ETH_RXD1_B,
+
+	/* IPSR13 */
+	GPIO_FN_SSI_WS2, GPIO_FN_HSCIF1_HCTS_N_B, GPIO_FN_SCIFA0_RXD_D,
+	GPIO_FN_VI1_DATA3, GPIO_FN_SCKZ, GPIO_FN_ATACS00_N, GPIO_FN_ETH_LINK_B,
+	GPIO_FN_SSI_SDATA2, GPIO_FN_HSCIF1_HRTS_N_B, GPIO_FN_SCIFA0_TXD_D,
+	GPIO_FN_VI1_DATA4, GPIO_FN_STM_N, GPIO_FN_ATACS10_N,
+	GPIO_FN_ETH_REFCLK_B, GPIO_FN_SSI_SCK9, GPIO_FN_SCIF2_SCK_B,
+	GPIO_FN_PWM2_B, GPIO_FN_VI1_DATA5, GPIO_FN_MTS_N, GPIO_FN_EX_WAIT1,
+	GPIO_FN_ETH_TXD1_B, GPIO_FN_SSI_WS9, GPIO_FN_SCIF2_RXD_B,
+	GPIO_FN_I2C3_SCL_E, GPIO_FN_VI1_DATA6, GPIO_FN_ATARD0_N,
+	GPIO_FN_ETH_TX_EN_B, GPIO_FN_SSI_SDATA9, GPIO_FN_SCIF2_TXD_B,
+	GPIO_FN_I2C3_SDA_E, GPIO_FN_VI1_DATA7, GPIO_FN_ATADIR0_N,
+	GPIO_FN_ETH_MAGIC_B, GPIO_FN_AUDIO_CLKA, GPIO_FN_I2C0_SCL_B,
+	GPIO_FN_SCIFA4_RXD_D, GPIO_FN_VI1_CLKENB, GPIO_FN_TS_SDATA_C,
+	GPIO_FN_RIF0_SYNC_B, GPIO_FN_ETH_TXD0_B, GPIO_FN_AUDIO_CLKB,
+	GPIO_FN_I2C0_SDA_B, GPIO_FN_SCIFA4_TXD_D, GPIO_FN_VI1_FIELD,
+	GPIO_FN_TS_SCK_C, GPIO_FN_RIF0_CLK_B, GPIO_FN_BPFCLK_E,
+	GPIO_FN_ETH_MDC_B, GPIO_FN_AUDIO_CLKC, GPIO_FN_I2C4_SCL_B,
+	GPIO_FN_SCIFA5_RXD_D, GPIO_FN_VI1_HSYNC_N, GPIO_FN_TS_SDEN_C,
+	GPIO_FN_RIF0_D0_B, GPIO_FN_FMCLK_E, GPIO_FN_RDS_CLK_D,
+	GPIO_FN_AUDIO_CLKOUT, GPIO_FN_I2C4_SDA_B, GPIO_FN_SCIFA5_TXD_D,
+	GPIO_FN_VI1_VSYNC_N, GPIO_FN_TS_SPSYNC_C, GPIO_FN_RIF0_D1_B,
+	GPIO_FN_FMIN_E, GPIO_FN_RDS_DATA_D,
 };
 
 #endif /* __ASM_R8A7794_H__ */
diff --git a/board/renesas/alt/alt.c b/board/renesas/alt/alt.c
index c0caeb9..f0010db 100644
--- a/board/renesas/alt/alt.c
+++ b/board/renesas/alt/alt.c
@@ -19,6 +19,7 @@
 #include <asm/arch/rmobile.h>
 #include <asm/arch/rcar-mstp.h>
 #include <asm/arch/mmc.h>
+#include <asm/arch/sh_sdhi.h>
 #include <netdev.h>
 #include <miiphy.h>
 #include <i2c.h>
@@ -46,6 +47,11 @@ void s_init(void)
 #define ETHER_MSTP813	(1 << 13)
 #define IIC1_MSTP323	(1 << 23)
 #define MMC0_MSTP315	(1 << 15)
+#define SDHI0_MSTP314	(1 << 14)
+#define SDHI1_MSTP312	(1 << 12)
+
+#define SD1CKCR		0xE6150078
+#define SD1_97500KHZ	0x7
 
 int board_early_init_f(void)
 {
@@ -65,6 +71,17 @@ int board_early_init_f(void)
 	/* MMC */
 	mstp_clrbits_le32(MSTPSR3, SMSTPCR3, MMC0_MSTP315);
 #endif
+
+#ifdef CONFIG_SH_SDHI
+	/* SDHI0, 1 */
+	mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI0_MSTP314 | SDHI1_MSTP312);
+
+	/*
+	 * SD0 clock is set to 97.5MHz by default.
+	 * Set SD1 to the 97.5MHz as well.
+	 */
+	writel(SD1_97500KHZ, SD1CKCR);
+#endif
 	return 0;
 }
 
@@ -130,7 +147,7 @@ int board_eth_init(bd_t *bis)
 
 int board_mmc_init(bd_t *bis)
 {
-	int ret = 0;
+	int ret = -ENODEV;
 
 #ifdef CONFIG_SH_MMCIF
 	gpio_request(GPIO_GP_4_31, NULL);
@@ -138,6 +155,42 @@ int board_mmc_init(bd_t *bis)
 
 	ret = mmcif_mmc_init();
 #endif
+
+#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_SD1_DATA0, NULL);
+	gpio_request(GPIO_FN_SD1_DATA1, NULL);
+	gpio_request(GPIO_FN_SD1_DATA2, NULL);
+	gpio_request(GPIO_FN_SD1_DATA3, NULL);
+	gpio_request(GPIO_FN_SD1_CLK, NULL);
+	gpio_request(GPIO_FN_SD1_CMD, NULL);
+	gpio_request(GPIO_FN_SD1_CD, NULL);
+
+	/* SDHI 0 */
+	gpio_request(GPIO_GP_2_26, NULL);
+	gpio_request(GPIO_GP_2_29, NULL);
+	gpio_direction_output(GPIO_GP_2_26, 1);
+	gpio_direction_output(GPIO_GP_2_29, 1);
+
+	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_4_26, NULL);
+	gpio_request(GPIO_GP_4_29, NULL);
+	gpio_direction_output(GPIO_GP_4_26, 1);
+	gpio_direction_output(GPIO_GP_4_29, 1);
+
+	ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI1_BASE, 1, 0);
+#endif
 	return ret;
 }
 
diff --git a/configs/alt_defconfig b/configs/alt_defconfig
index 8a6a0d3..ff87230 100644
--- a/configs/alt_defconfig
+++ b/configs/alt_defconfig
@@ -3,3 +3,4 @@ CONFIG_RMOBILE=y
 CONFIG_TARGET_ALT=y
 CONFIG_DM=y
 CONFIG_DM_SERIAL=y
+CONFIG_SH_SDHI=y
diff --git a/include/configs/alt.h b/include/configs/alt.h
index 01382cf..e9ffa48 100644
--- a/include/configs/alt.h
+++ b/include/configs/alt.h
@@ -111,4 +111,7 @@
 /* SCIF2 */
 #define CONFIG_SMSTP7_ENA	0x00080000
 
+/* SDHI */
+#define CONFIG_SH_SDHI_FREQ		97500000
+
 #endif /* __ALT_H */