mirror of
				https://github.com/smaeul/u-boot.git
				synced 2025-11-04 05:50:17 +00:00 
			
		
		
		
	Rename rmobile.h to renesas.h because all the chips are made
by Renesas, while only a subset of them is from the R-Mobile
line.
Use the following command to perform the rename:
"
$ git grep -l 'include.*rmobile.h' | \
  xargs -I {} sed -i '/include.*rmobile.h/ s@rmobile.h@renesas.h@g' {}
"
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Paul Barker <paul.barker.ct@bp.renesas.com>
		
	
			
		
			
				
	
	
		
			148 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			148 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0
 | 
						|
/*
 | 
						|
 * board/renesas/alt/alt.c
 | 
						|
 *
 | 
						|
 * Copyright (C) 2014, 2015 Renesas Electronics Corporation
 | 
						|
 */
 | 
						|
 | 
						|
#include <cpu_func.h>
 | 
						|
#include <env.h>
 | 
						|
#include <hang.h>
 | 
						|
#include <init.h>
 | 
						|
#include <malloc.h>
 | 
						|
#include <dm.h>
 | 
						|
#include <asm/global_data.h>
 | 
						|
#include <dm/platform_data/serial_sh.h>
 | 
						|
#include <env_internal.h>
 | 
						|
#include <asm/processor.h>
 | 
						|
#include <asm/mach-types.h>
 | 
						|
#include <asm/io.h>
 | 
						|
#include <linux/bitops.h>
 | 
						|
#include <linux/delay.h>
 | 
						|
#include <linux/errno.h>
 | 
						|
#include <asm/arch/sys_proto.h>
 | 
						|
#include <asm/gpio.h>
 | 
						|
#include <asm/arch/renesas.h>
 | 
						|
#include <asm/arch/rcar-mstp.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 = CFG_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_mem_size_base() != 0)
 | 
						|
		return -EINVAL;
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
int dram_init_banksize(void)
 | 
						|
{
 | 
						|
	fdtdec_setup_memory_banksize();
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/* KSZ8041RNLI */
 | 
						|
#define PHY_CONTROL1		0x1E
 | 
						|
#define PHY_LED_MODE		0xC000
 | 
						|
#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(void)
 | 
						|
{
 | 
						|
	struct udevice *dev;
 | 
						|
	const u8 pmic_bus = 7;
 | 
						|
	const u8 pmic_addr = 0x58;
 | 
						|
	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;
 | 
						|
}
 |