porter.c
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/*
* board/renesas/porter/porter.c
*
* Copyright (C) 2015 Renesas Electronics Corporation
* Copyright (C) 2015 Cogent Embedded, Inc.
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <malloc.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/rmobile.h>
#include <asm/arch/rcar-mstp.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;
#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;
u32 stc;
/* Watchdog init */
writel(0xA5A5A500, &rwdt->rwtcsra);
writel(0xA5A5A500, &swdt->swtcsra);
/* CPU frequency setting. Set to 1.5GHz */
stc = ((1500 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1) << PLL0_STC_BIT;
clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc);
/* QoS */
qos_init();
}
#define TMU0_MSTP125 BIT(25)
#define SD2CKCR 0xE615026C
#define SD_97500KHZ 0x7
int board_early_init_f(void)
{
mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
/*
* SD0 clock is set to 97.5MHz by default.
* Set SD2 to the 97.5MHz as well.
*/
writel(SD_97500KHZ, SD2CKCR);
return 0;
}
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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;
}
const struct rmobile_sysinfo sysinfo = {
CONFIG_ARCH_RMOBILE_BOARD_STRING
};
void reset_cpu(ulong addr)
{
u8 val;
i2c_set_bus_num(2); /* PowerIC connected to ch2 */
i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
val |= 0x02;
i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
}
#ifdef CONFIG_SPL_BUILD
#include <spl.h>
void board_init_f(ulong dummy)
{
board_early_init_f();
}
void spl_board_init(void)
{
/* UART clocks enabled and gd valid - init serial console */
preloader_console_init();
}
void board_boot_order(u32 *spl_boot_list)
{
/* Boot from SPI NOR with YMODEM UART fallback. */
spl_boot_list[0] = BOOT_DEVICE_SPI;
spl_boot_list[1] = BOOT_DEVICE_UART;
spl_boot_list[2] = BOOT_DEVICE_NONE;
}
#endif