[people/ms/u-boot.git] / board / renesas / salvator-x / salvator-x.c

/*
 * board/renesas/salvator-x/salvator-x.c
 *     This file is Salvator-X/Salvator-XS board support.
 *
 * Copyright (C) 2015-2017 Renesas Electronics Corporation
 * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
 *
 * SPDX-License-Identifier: GPL-2.0+
 */

#include <common.h>
#include <malloc.h>
#include <netdev.h>
#include <dm.h>
#include <dm/platform_data/serial_sh.h>
#include <asm/processor.h>
#include <asm/mach-types.h>
#include <asm/io.h>
#include <linux/errno.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/arch/gpio.h>
#include <asm/arch/rmobile.h>
#include <asm/arch/rcar-mstp.h>
#include <asm/arch/sh_sdhi.h>
#include <i2c.h>
#include <mmc.h>

DECLARE_GLOBAL_DATA_PTR;

#define CPGWPCR	0xE6150904
#define CPGWPR  0xE615090C

#define CLK2MHZ(clk)	(clk / 1000 / 1000)
void s_init(void)
{
	struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
	struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;

	/* Watchdog init */
	writel(0xA5A5A500, &rwdt->rwtcsra);
	writel(0xA5A5A500, &swdt->swtcsra);

	writel(0xA5A50000, CPGWPCR);
	writel(0xFFFFFFFF, CPGWPR);
}

#define GSX_MSTP112		BIT(12)	/* 3DG */
#define TMU0_MSTP125		BIT(25)	/* secure */
#define TMU1_MSTP124		BIT(24)	/* non-secure */
#define SCIF2_MSTP310		BIT(10)	/* SCIF2 */
#define DVFS_MSTP926		BIT(26)
#define HSUSB_MSTP704		BIT(4)	/* HSUSB */

int board_early_init_f(void)
{
	/* TMU0,1 */		/* which use ? */
	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125 | TMU1_MSTP124);

#if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH)
	/* DVFS for reset */
	mstp_clrbits_le32(MSTPSR9, SMSTPCR9, DVFS_MSTP926);
#endif
	return 0;
}

/* SYSC */
/* R/- 32 Power status register 2(3DG) */
#define	SYSC_PWRSR2	0xE6180100
/* -/W 32 Power resume control register 2 (3DG) */
#define	SYSC_PWRONCR2	0xE618010C

/* HSUSB block registers */
#define HSUSB_REG_LPSTS			0xE6590102
#define HSUSB_REG_LPSTS_SUSPM_NORMAL	BIT(14)
#define HSUSB_REG_UGCTRL2		0xE6590184
#define HSUSB_REG_UGCTRL2_USB0SEL	0x30
#define HSUSB_REG_UGCTRL2_USB0SEL_EHCI	0x10

int board_init(void)
{
	/* adress of boot parameters */
	gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;

	/* Init PFC controller */
#if defined(CONFIG_R8A7795)
	r8a7795_pinmux_init();
#elif defined(CONFIG_R8A7796)
	r8a7796_pinmux_init();
#endif

#if defined(CONFIG_R8A7795)
	/* GSX: force power and clock supply */
	writel(0x0000001F, SYSC_PWRONCR2);
	while (readl(SYSC_PWRSR2) != 0x000003E0)
		mdelay(20);

	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, GSX_MSTP112);
#endif

	/* USB1 pull-up */
	setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN);

	/* Configure the HSUSB block */
	mstp_clrbits_le32(MSTPSR7, SMSTPCR7, HSUSB_MSTP704);
	/* Choice USB0SEL */
	clrsetbits_le32(HSUSB_REG_UGCTRL2, HSUSB_REG_UGCTRL2_USB0SEL,
			HSUSB_REG_UGCTRL2_USB0SEL_EHCI);
	/* low power status */
	setbits_le16(HSUSB_REG_LPSTS, HSUSB_REG_LPSTS_SUSPM_NORMAL);

#ifdef CONFIG_RENESAS_RAVB
	/* EtherAVB Enable */
	/* GPSR2 */
	gpio_request(GPIO_GFN_AVB_AVTP_CAPTURE_A, NULL);
	gpio_request(GPIO_GFN_AVB_AVTP_MATCH_A, NULL);
	gpio_request(GPIO_GFN_AVB_LINK, NULL);
	gpio_request(GPIO_GFN_AVB_PHY_INT, NULL);
	gpio_request(GPIO_GFN_AVB_MAGIC, NULL);
	gpio_request(GPIO_GFN_AVB_MDC, NULL);

	/* IPSR0 */
	gpio_request(GPIO_IFN_AVB_MDC, NULL);
	gpio_request(GPIO_IFN_AVB_MAGIC, NULL);
	gpio_request(GPIO_IFN_AVB_PHY_INT, NULL);
	gpio_request(GPIO_IFN_AVB_LINK, NULL);
	gpio_request(GPIO_IFN_AVB_AVTP_MATCH_A, NULL);
	gpio_request(GPIO_IFN_AVB_AVTP_CAPTURE_A, NULL);
	/* IPSR1 */
	gpio_request(GPIO_FN_AVB_AVTP_PPS, NULL);
	/* IPSR2 */
	gpio_request(GPIO_FN_AVB_AVTP_MATCH_B, NULL);
	/* IPSR3 */
	gpio_request(GPIO_FN_AVB_AVTP_CAPTURE_B, NULL);

#if defined(CONFIG_R8A7795)
	/* USB2_OVC */
	gpio_request(GPIO_GP_6_15, NULL);
	gpio_direction_input(GPIO_GP_6_15);

	/* USB2_PWEN */
	gpio_request(GPIO_GP_6_14, NULL);
	gpio_direction_output(GPIO_GP_6_14, 1);
	gpio_set_value(GPIO_GP_6_14, 1);
#endif
	/* AVB_PHY_RST */
	gpio_request(GPIO_GP_2_10, NULL);
	gpio_direction_output(GPIO_GP_2_10, 0);
	mdelay(20);
	gpio_set_value(GPIO_GP_2_10, 1);
	udelay(1);
#endif

#ifdef CONFIG_MMC
	/* SDHI0 */
	gpio_request(GPIO_GFN_SD0_DAT0, NULL);
	gpio_request(GPIO_GFN_SD0_DAT1, NULL);
	gpio_request(GPIO_GFN_SD0_DAT2, NULL);
	gpio_request(GPIO_GFN_SD0_DAT3, NULL);
	gpio_request(GPIO_GFN_SD0_CLK, NULL);
	gpio_request(GPIO_GFN_SD0_CMD, NULL);
	gpio_request(GPIO_GFN_SD0_CD, NULL);
	gpio_request(GPIO_GFN_SD0_WP, NULL);

	gpio_request(GPIO_GP_5_2, NULL);
	gpio_request(GPIO_GP_5_1, NULL);
	gpio_direction_output(GPIO_GP_5_2, 1);	/* power on */
	gpio_direction_output(GPIO_GP_5_1, 1);	/* 1: 3.3V, 0: 1.8V */

	/* SDHI1/SDHI2 eMMC */
	gpio_request(GPIO_GFN_SD1_DAT0, NULL);
	gpio_request(GPIO_GFN_SD1_DAT1, NULL);
	gpio_request(GPIO_GFN_SD1_DAT2, NULL);
	gpio_request(GPIO_GFN_SD1_DAT3, NULL);
	gpio_request(GPIO_GFN_SD2_DAT0, NULL);
	gpio_request(GPIO_GFN_SD2_DAT1, NULL);
	gpio_request(GPIO_GFN_SD2_DAT2, NULL);
	gpio_request(GPIO_GFN_SD2_DAT3, NULL);
	gpio_request(GPIO_GFN_SD2_CLK, NULL);
#if defined(CONFIG_R8A7795)
	gpio_request(GPIO_GFN_SD2_CMD, NULL);
#elif defined(CONFIG_R8A7796)
	gpio_request(GPIO_FN_SD2_CMD, NULL);
#else
#error Only R8A7795 and R87796 is supported
#endif
	gpio_request(GPIO_GP_5_3, NULL);
	gpio_request(GPIO_GP_5_9, NULL);
	gpio_direction_output(GPIO_GP_5_3, 0);	/* 1: 3.3V, 0: 1.8V */
	gpio_direction_output(GPIO_GP_5_9, 0);	/* 1: 3.3V, 0: 1.8V */

#if defined(CONFIG_R8A7795)
	/* SDHI3 */
	gpio_request(GPIO_GFN_SD3_DAT0, NULL);	/* GP_4_9 */
	gpio_request(GPIO_GFN_SD3_DAT1, NULL);	/* GP_4_10 */
	gpio_request(GPIO_GFN_SD3_DAT2, NULL);	/* GP_4_11 */
	gpio_request(GPIO_GFN_SD3_DAT3, NULL);	/* GP_4_12 */
	gpio_request(GPIO_GFN_SD3_CLK, NULL);	/* GP_4_7 */
	gpio_request(GPIO_GFN_SD3_CMD, NULL);	/* GP_4_8 */
#elif defined(CONFIG_R8A7796)
	gpio_request(GPIO_FN_SD3_DAT0, NULL);	/* GP_4_9 */
	gpio_request(GPIO_FN_SD3_DAT1, NULL);	/* GP_4_10 */
	gpio_request(GPIO_FN_SD3_DAT2, NULL);	/* GP_4_11 */
	gpio_request(GPIO_FN_SD3_DAT3, NULL);	/* GP_4_12 */
	gpio_request(GPIO_FN_SD3_CLK, NULL);	/* GP_4_7 */
	gpio_request(GPIO_FN_SD3_CMD, NULL);	/* GP_4_8 */
#else
#error Only R8A7795 and R87796 is supported
#endif
	/* IPSR10 */
	gpio_request(GPIO_FN_SD3_CD, NULL);
	gpio_request(GPIO_FN_SD3_WP, NULL);

	gpio_request(GPIO_GP_3_15, NULL);
	gpio_request(GPIO_GP_3_14, NULL);
	gpio_direction_output(GPIO_GP_3_15, 1);	/* power on */
	gpio_direction_output(GPIO_GP_3_14, 1);	/* 1: 3.3V, 0: 1.8V */
#endif

	return 0;
}

int dram_init(void)
{
	gd->ram_size = PHYS_SDRAM_1_SIZE;
#if (CONFIG_NR_DRAM_BANKS >= 2)
	gd->ram_size += PHYS_SDRAM_2_SIZE;
#endif
#if (CONFIG_NR_DRAM_BANKS >= 3)
	gd->ram_size += PHYS_SDRAM_3_SIZE;
#endif
#if (CONFIG_NR_DRAM_BANKS >= 4)
	gd->ram_size += PHYS_SDRAM_4_SIZE;
#endif

	return 0;
}

int dram_init_banksize(void)
{
	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
#if (CONFIG_NR_DRAM_BANKS >= 2)
	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
#endif
#if (CONFIG_NR_DRAM_BANKS >= 3)
	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
#endif
#if (CONFIG_NR_DRAM_BANKS >= 4)
	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
	gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
#endif
	return 0;
}

const struct rmobile_sysinfo sysinfo = {
	CONFIG_RCAR_BOARD_STRING
};

#define RST_BASE	0xE6160000
#define RST_CA57RESCNT	(RST_BASE + 0x40)
#define RST_CA53RESCNT	(RST_BASE + 0x44)
#define RST_RSTOUTCR	(RST_BASE + 0x58)
#define RST_CODE	0xA5A5000F

void reset_cpu(ulong addr)
{
#if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH)
	i2c_reg_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x20, 0x80);
#else
	/* only CA57 ? */
	writel(RST_CODE, RST_CA57RESCNT);
#endif
}
Commit	Line	Data
e525d34b NI	1	/*
e525d34b NI	2	* board/renesas/salvator-x/salvator-x.c
adf3057f	3	* This file is Salvator-X/Salvator-XS board support.
e525d34b	4	*
50fb0c45	5	* Copyright (C) 2015-2017 Renesas Electronics Corporation
e525d34b NI	6	* Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
	7	*
	8	* SPDX-License-Identifier: GPL-2.0+
	9	*/
	10
	11	#include <common.h>
	12	#include <malloc.h>
	13	#include <netdev.h>
	14	#include <dm.h>
	15	#include <dm/platform_data/serial_sh.h>
	16	#include <asm/processor.h>
	17	#include <asm/mach-types.h>
	18	#include <asm/io.h>
1221ce45	19	#include <linux/errno.h>
e525d34b NI	20	#include <asm/arch/sys_proto.h>
	21	#include <asm/gpio.h>
	22	#include <asm/arch/gpio.h>
	23	#include <asm/arch/rmobile.h>
	24	#include <asm/arch/rcar-mstp.h>
50fb0c45	25	#include <asm/arch/sh_sdhi.h>
e525d34b NI	26	#include <i2c.h>
	27	#include <mmc.h>
	28
	29	DECLARE_GLOBAL_DATA_PTR;
	30
	31	#define CPGWPCR 0xE6150904
	32	#define CPGWPR 0xE615090C
	33
	34	#define CLK2MHZ(clk) (clk / 1000 / 1000)
	35	void s_init(void)
	36	{
	37	struct rcar_rwdt rwdt = (struct rcar_rwdt )RWDT_BASE;
	38	struct rcar_swdt swdt = (struct rcar_swdt )SWDT_BASE;
	39
	40	/* Watchdog init */
	41	writel(0xA5A5A500, &rwdt->rwtcsra);
	42	writel(0xA5A5A500, &swdt->swtcsra);
	43
	44	writel(0xA5A50000, CPGWPCR);
	45	writel(0xFFFFFFFF, CPGWPR);
	46	}
	47
ae7a74a6 MV	48	#define GSX_MSTP112 BIT(12) /* 3DG */
	49	#define TMU0_MSTP125 BIT(25) /* secure */
	50	#define TMU1_MSTP124 BIT(24) /* non-secure */
	51	#define SCIF2_MSTP310 BIT(10) /* SCIF2 */
fe2e8ff9	52	#define DVFS_MSTP926 BIT(26)
afb19d65	53	#define HSUSB_MSTP704 BIT(4) /* HSUSB */
50fb0c45	54
e525d34b NI	55	int board_early_init_f(void)
	56	{
	57	/* TMU0,1 / / which use ? */
	58	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125 \| TMU1_MSTP124);
e525d34b	59
fe2e8ff9 MV	60	#if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH)
	61	/* DVFS for reset */
	62	mstp_clrbits_le32(MSTPSR9, SMSTPCR9, DVFS_MSTP926);
	63	#endif
e525d34b NI	64	return 0;
	65	}
	66
	67	/* SYSC */
	68	/* R/- 32 Power status register 2(3DG) */
	69	#define SYSC_PWRSR2 0xE6180100
	70	/* -/W 32 Power resume control register 2 (3DG) */
	71	#define SYSC_PWRONCR2 0xE618010C
	72
afb19d65 MV	73	/* HSUSB block registers */
	74	#define HSUSB_REG_LPSTS 0xE6590102
	75	#define HSUSB_REG_LPSTS_SUSPM_NORMAL BIT(14)
	76	#define HSUSB_REG_UGCTRL2 0xE6590184
	77	#define HSUSB_REG_UGCTRL2_USB0SEL 0x30
	78	#define HSUSB_REG_UGCTRL2_USB0SEL_EHCI 0x10
	79
e525d34b NI	80	int board_init(void)
	81	{
	82	/* adress of boot parameters */
	83	gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
	84
	85	/* Init PFC controller */
adf3057f	86	#if defined(CONFIG_R8A7795)
e525d34b	87	r8a7795_pinmux_init();
adf3057f MV	88	#elif defined(CONFIG_R8A7796)
	89	r8a7796_pinmux_init();
	90	#endif
e525d34b	91
adf3057f	92	#if defined(CONFIG_R8A7795)
e525d34b NI	93	/* GSX: force power and clock supply */
	94	writel(0x0000001F, SYSC_PWRONCR2);
	95	while (readl(SYSC_PWRSR2) != 0x000003E0)
	96	mdelay(20);
	97
	98	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, GSX_MSTP112);
adf3057f	99	#endif
e525d34b	100
d1018f5f MV	101	/* USB1 pull-up */
	102	setbits_le32(PFC_PUEN6, PUEN_USB1_OVC \| PUEN_USB1_PWEN);
	103
afb19d65 MV	104	/* Configure the HSUSB block */
	105	mstp_clrbits_le32(MSTPSR7, SMSTPCR7, HSUSB_MSTP704);
	106	/* Choice USB0SEL */
	107	clrsetbits_le32(HSUSB_REG_UGCTRL2, HSUSB_REG_UGCTRL2_USB0SEL,
	108	HSUSB_REG_UGCTRL2_USB0SEL_EHCI);
	109	/* low power status */
	110	setbits_le16(HSUSB_REG_LPSTS, HSUSB_REG_LPSTS_SUSPM_NORMAL);
	111
3158b6f6	112	#ifdef CONFIG_RENESAS_RAVB
90e53f8b MV	113	/* EtherAVB Enable */
	114	/* GPSR2 */
	115	gpio_request(GPIO_GFN_AVB_AVTP_CAPTURE_A, NULL);
	116	gpio_request(GPIO_GFN_AVB_AVTP_MATCH_A, NULL);
	117	gpio_request(GPIO_GFN_AVB_LINK, NULL);
	118	gpio_request(GPIO_GFN_AVB_PHY_INT, NULL);
	119	gpio_request(GPIO_GFN_AVB_MAGIC, NULL);
	120	gpio_request(GPIO_GFN_AVB_MDC, NULL);
	121
	122	/* IPSR0 */
	123	gpio_request(GPIO_IFN_AVB_MDC, NULL);
	124	gpio_request(GPIO_IFN_AVB_MAGIC, NULL);
	125	gpio_request(GPIO_IFN_AVB_PHY_INT, NULL);
	126	gpio_request(GPIO_IFN_AVB_LINK, NULL);
	127	gpio_request(GPIO_IFN_AVB_AVTP_MATCH_A, NULL);
	128	gpio_request(GPIO_IFN_AVB_AVTP_CAPTURE_A, NULL);
	129	/* IPSR1 */
	130	gpio_request(GPIO_FN_AVB_AVTP_PPS, NULL);
	131	/* IPSR2 */
	132	gpio_request(GPIO_FN_AVB_AVTP_MATCH_B, NULL);
	133	/* IPSR3 */
	134	gpio_request(GPIO_FN_AVB_AVTP_CAPTURE_B, NULL);
	135
adf3057f	136	#if defined(CONFIG_R8A7795)
d1018f5f MV	137	/* USB2_OVC */
	138	gpio_request(GPIO_GP_6_15, NULL);
	139	gpio_direction_input(GPIO_GP_6_15);
	140
	141	/* USB2_PWEN */
	142	gpio_request(GPIO_GP_6_14, NULL);
	143	gpio_direction_output(GPIO_GP_6_14, 1);
	144	gpio_set_value(GPIO_GP_6_14, 1);
adf3057f	145	#endif
90e53f8b MV	146	/* AVB_PHY_RST */
	147	gpio_request(GPIO_GP_2_10, NULL);
	148	gpio_direction_output(GPIO_GP_2_10, 0);
	149	mdelay(20);
	150	gpio_set_value(GPIO_GP_2_10, 1);
	151	udelay(1);
	152	#endif
	153
8212f563	154	#ifdef CONFIG_MMC
50fb0c45 MV	155	/* SDHI0 */
	156	gpio_request(GPIO_GFN_SD0_DAT0, NULL);
	157	gpio_request(GPIO_GFN_SD0_DAT1, NULL);
	158	gpio_request(GPIO_GFN_SD0_DAT2, NULL);
	159	gpio_request(GPIO_GFN_SD0_DAT3, NULL);
	160	gpio_request(GPIO_GFN_SD0_CLK, NULL);
	161	gpio_request(GPIO_GFN_SD0_CMD, NULL);
	162	gpio_request(GPIO_GFN_SD0_CD, NULL);
	163	gpio_request(GPIO_GFN_SD0_WP, NULL);
	164
	165	gpio_request(GPIO_GP_5_2, NULL);
	166	gpio_request(GPIO_GP_5_1, NULL);
	167	gpio_direction_output(GPIO_GP_5_2, 1); /* power on */
	168	gpio_direction_output(GPIO_GP_5_1, 1); /* 1: 3.3V, 0: 1.8V */
	169
50fb0c45 MV	170	/* SDHI1/SDHI2 eMMC */
	171	gpio_request(GPIO_GFN_SD1_DAT0, NULL);
	172	gpio_request(GPIO_GFN_SD1_DAT1, NULL);
	173	gpio_request(GPIO_GFN_SD1_DAT2, NULL);
	174	gpio_request(GPIO_GFN_SD1_DAT3, NULL);
	175	gpio_request(GPIO_GFN_SD2_DAT0, NULL);
	176	gpio_request(GPIO_GFN_SD2_DAT1, NULL);
	177	gpio_request(GPIO_GFN_SD2_DAT2, NULL);
	178	gpio_request(GPIO_GFN_SD2_DAT3, NULL);
	179	gpio_request(GPIO_GFN_SD2_CLK, NULL);
adf3057f	180	#if defined(CONFIG_R8A7795)
50fb0c45	181	gpio_request(GPIO_GFN_SD2_CMD, NULL);
adf3057f MV	182	#elif defined(CONFIG_R8A7796)
	183	gpio_request(GPIO_FN_SD2_CMD, NULL);
	184	#else
	185	#error Only R8A7795 and R87796 is supported
	186	#endif
50fb0c45 MV	187	gpio_request(GPIO_GP_5_3, NULL);
	188	gpio_request(GPIO_GP_5_9, NULL);
	189	gpio_direction_output(GPIO_GP_5_3, 0); /* 1: 3.3V, 0: 1.8V */
	190	gpio_direction_output(GPIO_GP_5_9, 0); /* 1: 3.3V, 0: 1.8V */
	191
adf3057f	192	#if defined(CONFIG_R8A7795)
50fb0c45 MV	193	/* SDHI3 */
	194	gpio_request(GPIO_GFN_SD3_DAT0, NULL); /* GP_4_9 */
	195	gpio_request(GPIO_GFN_SD3_DAT1, NULL); /* GP_4_10 */
	196	gpio_request(GPIO_GFN_SD3_DAT2, NULL); /* GP_4_11 */
	197	gpio_request(GPIO_GFN_SD3_DAT3, NULL); /* GP_4_12 */
	198	gpio_request(GPIO_GFN_SD3_CLK, NULL); /* GP_4_7 */
	199	gpio_request(GPIO_GFN_SD3_CMD, NULL); /* GP_4_8 */
adf3057f MV	200	#elif defined(CONFIG_R8A7796)
	201	gpio_request(GPIO_FN_SD3_DAT0, NULL); /* GP_4_9 */
	202	gpio_request(GPIO_FN_SD3_DAT1, NULL); /* GP_4_10 */
	203	gpio_request(GPIO_FN_SD3_DAT2, NULL); /* GP_4_11 */
	204	gpio_request(GPIO_FN_SD3_DAT3, NULL); /* GP_4_12 */
	205	gpio_request(GPIO_FN_SD3_CLK, NULL); /* GP_4_7 */
	206	gpio_request(GPIO_FN_SD3_CMD, NULL); /* GP_4_8 */
	207	#else
	208	#error Only R8A7795 and R87796 is supported
	209	#endif
50fb0c45 MV	210	/* IPSR10 */
	211	gpio_request(GPIO_FN_SD3_CD, NULL);
	212	gpio_request(GPIO_FN_SD3_WP, NULL);
	213
	214	gpio_request(GPIO_GP_3_15, NULL);
	215	gpio_request(GPIO_GP_3_14, NULL);
	216	gpio_direction_output(GPIO_GP_3_15, 1); /* power on */
	217	gpio_direction_output(GPIO_GP_3_14, 1); /* 1: 3.3V, 0: 1.8V */
8212f563	218	#endif
50fb0c45	219
ddb39a07	220	return 0;
50fb0c45	221	}
50fb0c45	222
e525d34b NI	223	int dram_init(void)
e525d34b NI	224	{
8f284e66 MV	225	gd->ram_size = PHYS_SDRAM_1_SIZE;
	226	#if (CONFIG_NR_DRAM_BANKS >= 2)
	227	gd->ram_size += PHYS_SDRAM_2_SIZE;
	228	#endif
	229	#if (CONFIG_NR_DRAM_BANKS >= 3)
	230	gd->ram_size += PHYS_SDRAM_3_SIZE;
	231	#endif
	232	#if (CONFIG_NR_DRAM_BANKS >= 4)
	233	gd->ram_size += PHYS_SDRAM_4_SIZE;
	234	#endif
	235
	236	return 0;
	237	}
e525d34b	238
8f284e66 MV	239	int dram_init_banksize(void)
	240	{
	241	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
	242	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
	243	#if (CONFIG_NR_DRAM_BANKS >= 2)
	244	gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
	245	gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
	246	#endif
	247	#if (CONFIG_NR_DRAM_BANKS >= 3)
	248	gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
	249	gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
	250	#endif
	251	#if (CONFIG_NR_DRAM_BANKS >= 4)
	252	gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
	253	gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
	254	#endif
e525d34b NI	255	return 0;
	256	}
	257
	258	const struct rmobile_sysinfo sysinfo = {
	259	CONFIG_RCAR_BOARD_STRING
	260	};
	261
	262	#define RST_BASE 0xE6160000
	263	#define RST_CA57RESCNT (RST_BASE + 0x40)
	264	#define RST_CA53RESCNT (RST_BASE + 0x44)
	265	#define RST_RSTOUTCR (RST_BASE + 0x58)
	266	#define RST_CODE 0xA5A5000F
	267
	268	void reset_cpu(ulong addr)
	269	{
fe2e8ff9 MV	270	#if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH)
	271	i2c_reg_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x20, 0x80);
	272	#else
e525d34b NI	273	/* only CA57 ? */
e525d34b NI	274	writel(RST_CODE, RST_CA57RESCNT);
fe2e8ff9	275	#endif
e525d34b	276	}