1 // SPDX-License-Identifier: GPL-2.0
3 * board/renesas/alt/alt.c
5 * Copyright (C) 2014, 2015 Renesas Electronics Corporation
12 #include <dm/platform_data/serial_sh.h>
13 #include <env_internal.h>
14 #include <asm/processor.h>
15 #include <asm/mach-types.h>
17 #include <linux/errno.h>
18 #include <asm/arch/sys_proto.h>
20 #include <asm/arch/rmobile.h>
21 #include <asm/arch/rcar-mstp.h>
22 #include <asm/arch/mmc.h>
23 #include <asm/arch/sh_sdhi.h>
30 DECLARE_GLOBAL_DATA_PTR;
34 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
35 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
38 writel(0xA5A5A500, &rwdt->rwtcsra);
39 writel(0xA5A5A500, &swdt->swtcsra);
45 #define TMU0_MSTP125 BIT(25)
46 #define MMC0_MSTP315 BIT(15)
48 #define SD1CKCR 0xE6150078
49 #define SD_97500KHZ 0x7
51 int board_early_init_f(void)
54 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
56 /* Set SD1 to the 97.5MHz */
57 writel(SD_97500KHZ, SD1CKCR);
62 #define ETHERNET_PHY_RESET 56 /* GPIO 1 24 */
66 /* adress of boot parameters */
67 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
69 /* Force ethernet PHY out of reset */
70 gpio_request(ETHERNET_PHY_RESET, "phy_reset");
71 gpio_direction_output(ETHERNET_PHY_RESET, 0);
73 gpio_direction_output(ETHERNET_PHY_RESET, 1);
81 if (fdtdec_setup_mem_size_base() != 0)
87 int dram_init_banksize(void)
89 fdtdec_setup_memory_banksize();
95 #define PHY_CONTROL1 0x1E
96 #define PHY_LED_MODE 0xC000
97 #define PHY_LED_MODE_ACK 0x4000
98 int board_phy_config(struct phy_device *phydev)
100 int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
101 ret &= ~PHY_LED_MODE;
102 ret |= PHY_LED_MODE_ACK;
103 ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);
108 void reset_cpu(ulong addr)
111 const u8 pmic_bus = 7;
112 const u8 pmic_addr = 0x58;
116 ret = i2c_get_chip_for_busnum(pmic_bus, pmic_addr, 1, &dev);
120 ret = dm_i2c_read(dev, 0x13, &data, 1);
126 ret = dm_i2c_write(dev, 0x13, &data, 1);
131 enum env_location env_get_location(enum env_operation op, int prio)
133 const u32 load_magic = 0xb33fc0de;
135 /* Block environment access if loaded using JTAG */
136 if ((readl(CONFIG_SPL_TEXT_BASE + 0x24) == load_magic) &&
143 return ENVL_SPI_FLASH;