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// SPDX-License-Identifier: GPL-2.0
/*
* board/renesas/silk/silk.c
*
* Copyright (C) 2015 Renesas Electronics Corporation
* Copyright (C) 2015 Cogent Embedded, Inc.
*/
#include <common.h>
#include <malloc.h>
#include <dm.h>
#include <dm/platform_data/serial_sh.h>
#include <environment.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/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>
#include <div64.h>
#include "qos.h"
DECLARE_GLOBAL_DATA_PTR;
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 TMU0_MSTP125 BIT(25)
#define MMC0_MSTP315 BIT(15)
#define SD1CKCR 0xE6150078
#define SD_97500KHZ 0x7
int board_early_init_f(void)
{
/* TMU */
mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
/* Set SD1 to the 97.5MHz */
writel(SD_97500KHZ, SD1CKCR);
return 0;
}
#define ETHERNET_PHY_RESET 56 /* GPIO 1 24 */
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
/* Force ethernet PHY out of reset */
gpio_request(ETHERNET_PHY_RESET, "phy_reset");
gpio_direction_output(ETHERNET_PHY_RESET, 0);
mdelay(20);
gpio_direction_output(ETHERNET_PHY_RESET, 1);
udelay(1);
return 0;
}
int dram_init(void)
{
if (fdtdec_setup_memory_size() != 0)
return -EINVAL;
return 0;
}
int dram_init_banksize(void)
{
fdtdec_setup_memory_banksize();
return 0;
}
/* porter has KSZ8041RNLI */
#define PHY_CONTROL1 0x1E
#define PHY_LED_MODE 0xC0000
#define PHY_LED_MODE_ACK 0x4000
int board_phy_config(struct phy_device *phydev)
{
int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
ret &= ~PHY_LED_MODE;
ret |= PHY_LED_MODE_ACK;
ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);
return 0;
}
void reset_cpu(ulong addr)
{
struct udevice *dev;
const u8 pmic_bus = 1;
const u8 pmic_addr = 0x5a;
u8 data;
int ret;
ret = i2c_get_chip_for_busnum(pmic_bus, pmic_addr, 1, &dev);
if (ret)
hang();
ret = dm_i2c_read(dev, 0x13, &data, 1);
if (ret)
hang();
data |= BIT(1);
ret = dm_i2c_write(dev, 0x13, &data, 1);
if (ret)
hang();
}
enum env_location env_get_location(enum env_operation op, int prio)
{
const u32 load_magic = 0xb33fc0de;
/* Block environment access if loaded using JTAG */
if ((readl(CONFIG_SPL_TEXT_BASE + 0x24) == load_magic) &&
(op != ENVOP_INIT))
return ENVL_UNKNOWN;
if (prio)
return ENVL_UNKNOWN;
return ENVL_SPI_FLASH;
}
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