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/*
* board/renesas/alt/alt.c
*
* Copyright (C) 2014, 2015 Renesas Electronics Corporation
*
* 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/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;
#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 TMU0_MSTP125 (1 << 25)
#define SCIF2_MSTP719 (1 << 19)
#define ETHER_MSTP813 (1 << 13)
#define IIC1_MSTP323 (1 << 23)
#define MMC0_MSTP315 (1 << 15)
#define SDHI0_MSTP314 (1 << 14)
#define SDHI1_MSTP312 (1 << 12)
#define SD1CKCR 0xE6150078
#define SD1_97500KHZ 0x7
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);
/* IIC1 / sh-i2c ch1 */
mstp_clrbits_le32(MSTPSR3, SMSTPCR3, IIC1_MSTP323);
#ifdef CONFIG_SH_MMCIF
/* MMC */
mstp_clrbits_le32(MSTPSR3, SMSTPCR3, MMC0_MSTP315);
#endif
#ifdef CONFIG_SH_SDHI
/* SDHI0, 1 */
mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI0_MSTP314 | SDHI1_MSTP312);
/*
* SD0 clock is set to 97.5MHz by default.
* Set SD1 to the 97.5MHz as well.
*/
writel(SD1_97500KHZ, SD1CKCR);
#endif
return 0;
}
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
/* Init PFC controller */
r8a7794_pinmux_init();
/* Ether Enable */
#if defined(CONFIG_R8A7794_ETHERNET_B)
gpio_request(GPIO_FN_ETH_CRS_DV_B, NULL);
gpio_request(GPIO_FN_ETH_RX_ER_B, NULL);
gpio_request(GPIO_FN_ETH_RXD0_B, NULL);
gpio_request(GPIO_FN_ETH_RXD1_B, NULL);
gpio_request(GPIO_FN_ETH_LINK_B, NULL);
gpio_request(GPIO_FN_ETH_REFCLK_B, NULL);
gpio_request(GPIO_FN_ETH_MDIO_B, NULL);
gpio_request(GPIO_FN_ETH_TXD1_B, NULL);
gpio_request(GPIO_FN_ETH_TX_EN_B, NULL);
gpio_request(GPIO_FN_ETH_MAGIC_B, NULL);
gpio_request(GPIO_FN_ETH_TXD0_B, NULL);
gpio_request(GPIO_FN_ETH_MDC_B, NULL);
#else
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);
#endif
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_env_get_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_MMCIF
gpio_request(GPIO_GP_4_31, NULL);
gpio_set_value(GPIO_GP_4_31, 1);
ret = mmcif_mmc_init();
#endif
#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_SD1_DATA0, NULL);
gpio_request(GPIO_FN_SD1_DATA1, NULL);
gpio_request(GPIO_FN_SD1_DATA2, NULL);
gpio_request(GPIO_FN_SD1_DATA3, NULL);
gpio_request(GPIO_FN_SD1_CLK, NULL);
gpio_request(GPIO_FN_SD1_CMD, NULL);
gpio_request(GPIO_FN_SD1_CD, NULL);
/* SDHI 0 */
gpio_request(GPIO_GP_2_26, NULL);
gpio_request(GPIO_GP_2_29, NULL);
gpio_direction_output(GPIO_GP_2_26, 1);
gpio_direction_output(GPIO_GP_2_29, 1);
ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0,
SH_SDHI_QUIRK_16BIT_BUF);
if (ret)
return ret;
/* SDHI 1 */
gpio_request(GPIO_GP_4_26, NULL);
gpio_request(GPIO_GP_4_29, NULL);
gpio_direction_output(GPIO_GP_4_26, 1);
gpio_direction_output(GPIO_GP_4_29, 1);
ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI1_BASE, 1, 0);
#endif
return ret;
}
int dram_init(void)
{
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
const struct rmobile_sysinfo sysinfo = {
CONFIG_ARCH_RMOBILE_BOARD_STRING
};
void reset_cpu(ulong addr)
{
u8 val;
i2c_set_bus_num(1); /* PowerIC connected to ch1 */
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 = SCIF2_BASE,
.type = PORT_SCIF,
.clk = 14745600,
.clk_mode = EXT_CLK,
};
U_BOOT_DEVICE(alt_serials) = {
.name = "serial_sh",
.platdata = &serial_platdata,
};
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