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/*
* board/renesas/salvator-x/salvator-x.c
* This file is Salvator-X board support.
*
* Copyright (C) 2015 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 <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 (1 << 12) /* 3DG */
#define TMU0_MSTP125 (1 << 25) /* secure */
#define TMU1_MSTP124 (1 << 24) /* non-secure */
#define SCIF2_MSTP310 (1 << 10) /* SCIF2 */
int board_early_init_f(void)
{
/* TMU0,1 */ /* which use ? */
mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125 | TMU1_MSTP124);
/* SCIF2 */
mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SCIF2_MSTP310);
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
DECLARE_GLOBAL_DATA_PTR;
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
/* Init PFC controller */
r8a7795_pinmux_init();
/* GSX: force power and clock supply */
writel(0x0000001F, SYSC_PWRONCR2);
while (readl(SYSC_PWRSR2) != 0x000003E0)
mdelay(20);
mstp_clrbits_le32(MSTPSR1, SMSTPCR1, GSX_MSTP112);
return 0;
}
int dram_init(void)
{
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
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)
{
/* only CA57 ? */
writel(RST_CODE, RST_CA57RESCNT);
}
static const struct sh_serial_platdata serial_platdata = {
.base = SCIF2_BASE,
.type = PORT_SCIF,
.clk = 14745600, /* 0xE10000 */
.clk_mode = EXT_CLK,
};
U_BOOT_DEVICE(salvator_x_scif2) = {
.name = "serial_sh",
.platdata = &serial_platdata,
};
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