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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 (1 << 25)
#define SDHI0_MSTP314 (1 << 14)
#define SDHI2_MSTP311 (1 << 11)
#define SCIF0_MSTP721 (1 << 21)
#define ETHER_MSTP813 (1 << 13)
#define SD2CKCR 0xE615026C
#define SD_97500KHZ 0x7
int board_early_init_f(void)
{
mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
/* SCIF0 */
mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721);
/* ETHER */
mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
/* SDHI */
mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI0_MSTP314 | SDHI2_MSTP311);
/*
* SD0 clock is set to 97.5MHz by default.
* Set SD2 to the 97.5MHz as well.
*/
writel(SD_97500KHZ, SD2CKCR);
return 0;
}
/* LSI pin pull-up control */
#define PUPR5 0xe6060114
#define PUPR5_ETH 0x3FFC0000
#define PUPR5_ETH_MAGIC (1 << 27)
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
/* Init PFC controller */
r8a7791_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_TXD0, NULL);
gpio_request(GPIO_FN_ETH_MDC, NULL);
gpio_request(GPIO_FN_IRQ0, NULL);
mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH & ~PUPR5_ETH_MAGIC);
gpio_request(GPIO_GP_5_22, NULL); /* PHY_RST */
mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH_MAGIC);
gpio_direction_output(GPIO_GP_5_22, 0);
mdelay(20);
gpio_set_value(GPIO_GP_5_22, 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 board_mmc_init(bd_t *bis)
{
int ret = -ENODEV;
#ifdef CONFIG_SH_SDHI
gpio_request(GPIO_FN_SD0_DATA0, NULL);
gpio_request(GPIO_FN_SD0_DATA1, NULL);
gpio_request(GPIO_FN_SD0_DATA2, NULL);
gpio_request(GPIO_FN_SD0_DATA3, NULL);
gpio_request(GPIO_FN_SD0_CLK, NULL);
gpio_request(GPIO_FN_SD0_CMD, NULL);
gpio_request(GPIO_FN_SD0_CD, NULL);
gpio_request(GPIO_FN_SD2_DATA0, NULL);
gpio_request(GPIO_FN_SD2_DATA1, NULL);
gpio_request(GPIO_FN_SD2_DATA2, NULL);
gpio_request(GPIO_FN_SD2_DATA3, NULL);
gpio_request(GPIO_FN_SD2_CLK, NULL);
gpio_request(GPIO_FN_SD2_CMD, NULL);
gpio_request(GPIO_FN_SD2_CD, NULL);
/* SDHI 0 */
gpio_request(GPIO_GP_2_12, NULL);
gpio_direction_output(GPIO_GP_2_12, 1); /* 1: 3.3V, 0: 1.8V */
ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0,
SH_SDHI_QUIRK_16BIT_BUF);
if (ret)
return ret;
/* SDHI 2 */
gpio_request(GPIO_GP_2_26, NULL);
gpio_direction_output(GPIO_GP_2_26, 1); /* 1: 3.3V, 0: 1.8V */
ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI2_BASE, 2, 0);
#endif
return ret;
}
int dram_init(void)
{
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
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);
}
static const struct sh_serial_platdata serial_platdata = {
.base = SCIF0_BASE,
.type = PORT_SCIF,
.clk = CONFIG_P_CLK_FREQ,
};
U_BOOT_DEVICE(porter_serials) = {
.name = "serial_sh",
.platdata = &serial_platdata,
};
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