1 // SPDX-License-Identifier: GPL-2.0
3 * board/renesas/silk/silk.c
5 * Copyright (C) 2015 Renesas Electronics Corporation
6 * Copyright (C) 2015 Cogent Embedded, Inc.
14 #include <dm/platform_data/serial_sh.h>
15 #include <env_internal.h>
16 #include <asm/processor.h>
17 #include <asm/mach-types.h>
19 #include <linux/errno.h>
20 #include <asm/arch/sys_proto.h>
22 #include <asm/arch/rmobile.h>
23 #include <asm/arch/rcar-mstp.h>
24 #include <asm/arch/mmc.h>
25 #include <asm/arch/sh_sdhi.h>
32 DECLARE_GLOBAL_DATA_PTR;
36 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
37 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
40 writel(0xA5A5A500, &rwdt->rwtcsra);
41 writel(0xA5A5A500, &swdt->swtcsra);
47 #define TMU0_MSTP125 BIT(25)
48 #define MMC0_MSTP315 BIT(15)
50 #define SD1CKCR 0xE6150078
51 #define SD_97500KHZ 0x7
53 int board_early_init_f(void)
56 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
58 /* Set SD1 to the 97.5MHz */
59 writel(SD_97500KHZ, SD1CKCR);
64 #define ETHERNET_PHY_RESET 56 /* GPIO 1 24 */
68 /* adress of boot parameters */
69 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
71 /* Force ethernet PHY out of reset */
72 gpio_request(ETHERNET_PHY_RESET, "phy_reset");
73 gpio_direction_output(ETHERNET_PHY_RESET, 0);
75 gpio_direction_output(ETHERNET_PHY_RESET, 1);
83 if (fdtdec_setup_mem_size_base() != 0)
89 int dram_init_banksize(void)
91 fdtdec_setup_memory_banksize();
96 /* porter has KSZ8041RNLI */
97 #define PHY_CONTROL1 0x1E
98 #define PHY_LED_MODE 0xC000
99 #define PHY_LED_MODE_ACK 0x4000
100 int board_phy_config(struct phy_device *phydev)
102 int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
103 ret &= ~PHY_LED_MODE;
104 ret |= PHY_LED_MODE_ACK;
105 ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);
110 void reset_cpu(ulong addr)
113 const u8 pmic_bus = 1;
114 const u8 pmic_addr = 0x5a;
118 ret = i2c_get_chip_for_busnum(pmic_bus, pmic_addr, 1, &dev);
122 ret = dm_i2c_read(dev, 0x13, &data, 1);
128 ret = dm_i2c_write(dev, 0x13, &data, 1);
133 enum env_location env_get_location(enum env_operation op, int prio)
135 const u32 load_magic = 0xb33fc0de;
137 /* Block environment access if loaded using JTAG */
138 if ((readl(CONFIG_SPL_TEXT_BASE + 0x24) == load_magic) &&
145 return ENVL_SPI_FLASH;