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/*
* board/renesas/alt/alt.c
*
* Copyright (C) 2014 Renesas Electronics Corporation
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <malloc.h>
#include <asm/processor.h>
#include <asm/mach-types.h>
#include <asm/io.h>
#include <asm/errno.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/arch/rmobile.h>
#include <netdev.h>
#include <miiphy.h>
#include <i2c.h>
#include <div64.h>
#include "qos.h"
DECLARE_GLOBAL_DATA_PTR;
#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);
/* QoS */
qos_init();
}
#define MSTPSR1 0xE6150038
#define SMSTPCR1 0xE6150134
#define TMU0_MSTP125 (1 << 25)
#define MSTPSR7 0xE61501C4
#define SMSTPCR7 0xE615014C
#define SCIF2_MSTP719 (1 << 19)
#define MSTPSR8 0xE61509A0
#define SMSTPCR8 0xE6150990
#define ETHER_MSTP813 (1 << 13)
#define mstp_setbits(type, addr, saddr, set) \
out_##type((saddr), in_##type(addr) | (set))
#define mstp_clrbits(type, addr, saddr, clear) \
out_##type((saddr), in_##type(addr) & ~(clear))
#define mstp_setbits_le32(addr, saddr, set) \
mstp_setbits(le32, addr, saddr, set)
#define mstp_clrbits_le32(addr, saddr, clear) \
mstp_clrbits(le32, addr, saddr, clear)
int board_early_init_f(void)
{
/* TMU */
mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
/* SCIF2 */
mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF2_MSTP719);
/* ETHER */
mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
return 0;
}
void arch_preboot_os(void)
{
/* Disable TMU0 */
mstp_setbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
}
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = ALT_SDRAM_BASE + 0x100;
/* Init PFC controller */
r8a7794_pinmux_init();
/* Ether Enable */
gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
gpio_request(GPIO_FN_ETH_RX_ER, NULL);
gpio_request(GPIO_FN_ETH_RXD0, NULL);
gpio_request(GPIO_FN_ETH_RXD1, NULL);
gpio_request(GPIO_FN_ETH_LINK, NULL);
gpio_request(GPIO_FN_ETH_REFCLK, NULL);
gpio_request(GPIO_FN_ETH_MDIO, NULL);
gpio_request(GPIO_FN_ETH_TXD1, NULL);
gpio_request(GPIO_FN_ETH_TX_EN, NULL);
gpio_request(GPIO_FN_ETH_MAGIC, NULL);
gpio_request(GPIO_FN_ETH_TXD0, NULL);
gpio_request(GPIO_FN_ETH_MDC, NULL);
gpio_request(GPIO_FN_IRQ8, NULL);
/* PHY reset */
gpio_request(GPIO_GP_1_24, NULL);
gpio_direction_output(GPIO_GP_1_24, 0);
mdelay(20);
gpio_set_value(GPIO_GP_1_24, 1);
udelay(1);
return 0;
}
#define CXR24 0xEE7003C0 /* MAC address high register */
#define CXR25 0xEE7003C8 /* MAC address low register */
int board_eth_init(bd_t *bis)
{
#ifdef CONFIG_SH_ETHER
int ret = -ENODEV;
u32 val;
unsigned char enetaddr[6];
ret = sh_eth_initialize(bis);
if (!eth_getenv_enetaddr("ethaddr", enetaddr))
return ret;
/* Set Mac address */
val = enetaddr[0] << 24 | enetaddr[1] << 16 |
enetaddr[2] << 8 | enetaddr[3];
writel(val, CXR24);
val = enetaddr[4] << 8 | enetaddr[5];
writel(val, CXR25);
return ret;
#else
return 0;
#endif
}
int dram_init(void)
{
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
const struct rmobile_sysinfo sysinfo = {
CONFIG_RMOBILE_BOARD_STRING
};
void dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = ALT_SDRAM_BASE;
gd->bd->bi_dram[0].size = ALT_SDRAM_SIZE;
}
int board_late_init(void)
{
return 0;
}
void reset_cpu(ulong addr)
{
u8 val;
i2c_set_bus_num(1); /* PowerIC connected to ch3 */
i2c_init(400000, 0);
i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
val |= 0x02;
i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
}
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