1 // SPDX-License-Identifier: GPL-2.0
3 * board/renesas/gose/gose.c
5 * Copyright (C) 2014 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/sh_sdhi.h>
28 DECLARE_GLOBAL_DATA_PTR;
30 #define CLK2MHZ(clk) (clk / 1000 / 1000)
33 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
34 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
38 writel(0xA5A5A500, &rwdt->rwtcsra);
39 writel(0xA5A5A500, &swdt->swtcsra);
41 /* CPU frequency setting. Set to 1.5GHz */
42 stc = ((1500 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1) << PLL0_STC_BIT;
43 clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc);
49 #define TMU0_MSTP125 BIT(25)
51 #define SD1CKCR 0xE6150078
52 #define SD2CKCR 0xE615026C
53 #define SD_97500KHZ 0x7
55 int board_early_init_f(void)
57 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
60 * SD0 clock is set to 97.5MHz by default.
61 * Set SD1 and SD2 to the 97.5MHz as well.
63 writel(SD_97500KHZ, SD1CKCR);
64 writel(SD_97500KHZ, SD2CKCR);
69 #define ETHERNET_PHY_RESET 176 /* GPIO 5 22 */
73 /* adress of boot parameters */
74 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
76 /* Force ethernet PHY out of reset */
77 gpio_request(ETHERNET_PHY_RESET, "phy_reset");
78 gpio_direction_output(ETHERNET_PHY_RESET, 0);
80 gpio_direction_output(ETHERNET_PHY_RESET, 1);
87 if (fdtdec_setup_mem_size_base() != 0)
93 int dram_init_banksize(void)
95 fdtdec_setup_memory_banksize();
101 #define PHY_CONTROL1 0x1E
102 #define PHY_LED_MODE 0xC000
103 #define PHY_LED_MODE_ACK 0x4000
104 int board_phy_config(struct phy_device *phydev)
106 int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
107 ret &= ~PHY_LED_MODE;
108 ret |= PHY_LED_MODE_ACK;
109 ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);
114 void reset_cpu(ulong addr)
117 const u8 pmic_bus = 6;
118 const u8 pmic_addr = 0x58;
122 ret = i2c_get_chip_for_busnum(pmic_bus, pmic_addr, 1, &dev);
126 ret = dm_i2c_read(dev, 0x13, &data, 1);
132 ret = dm_i2c_write(dev, 0x13, &data, 1);
137 enum env_location env_get_location(enum env_operation op, int prio)
139 const u32 load_magic = 0xb33fc0de;
141 /* Block environment access if loaded using JTAG */
142 if ((readl(CONFIG_SPL_TEXT_BASE + 0x24) == load_magic) &&
149 return ENVL_SPI_FLASH;