1 // SPDX-License-Identifier: GPL-2.0
3 * board/renesas/lager/lager.c
4 * This file is lager board support.
6 * Copyright (C) 2013 Renesas Electronics Corporation
7 * Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
10 #include <clock_legacy.h>
13 #include <env_internal.h>
19 #include <asm/global_data.h>
20 #include <dm/platform_data/serial_sh.h>
21 #include <asm/processor.h>
22 #include <asm/mach-types.h>
24 #include <linux/bitops.h>
25 #include <linux/delay.h>
26 #include <linux/errno.h>
27 #include <asm/arch/sys_proto.h>
29 #include <asm/arch/renesas.h>
30 #include <asm/arch/rcar-mstp.h>
36 DECLARE_GLOBAL_DATA_PTR;
38 #define CLK2MHZ(clk) (clk / 1000 / 1000)
41 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
42 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
45 writel(0xA5A5A500, &rwdt->rwtcsra);
46 writel(0xA5A5A500, &swdt->swtcsra);
48 /* CPU frequency setting. Set to 1.4GHz */
49 if (renesas_get_cpu_rev_integer() >= R8A7790_CUT_ES2X) {
51 u32 stc = ((1400 / CLK2MHZ(get_board_sys_clk())) - 1)
53 clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc);
56 stat = readl(PLLECR) & PLL0ST;
57 } while (stat == 0x0);
60 /* QoS(Quality-of-Service) Init */
64 #define TMU0_MSTP125 BIT(25)
66 #define SD1CKCR 0xE6150078
67 #define SD2CKCR 0xE615026C
68 #define SD_97500KHZ 0x7
70 int board_early_init_f(void)
72 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
75 * SD0 clock is set to 97.5MHz by default.
76 * Set SD1 and SD2 to the 97.5MHz as well.
78 writel(SD_97500KHZ, SD1CKCR);
79 writel(SD_97500KHZ, SD2CKCR);
84 #define ETHERNET_PHY_RESET 185 /* GPIO 5 31 */
88 /* adress of boot parameters */
89 gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100;
91 /* Force ethernet PHY out of reset */
92 gpio_request(ETHERNET_PHY_RESET, "phy_reset");
93 gpio_direction_output(ETHERNET_PHY_RESET, 0);
95 gpio_direction_output(ETHERNET_PHY_RESET, 1);
102 if (fdtdec_setup_mem_size_base() != 0)
108 int dram_init_banksize(void)
110 fdtdec_setup_memory_banksize();
116 #define PHY_CONTROL1 0x1E
117 #define PHY_LED_MODE 0xC000
118 #define PHY_LED_MODE_ACK 0x4000
119 int board_phy_config(struct phy_device *phydev)
121 int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
122 ret &= ~PHY_LED_MODE;
123 ret |= PHY_LED_MODE_ACK;
124 ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);
132 const u8 pmic_bus = 2;
133 const u8 pmic_addr = 0x58;
137 ret = i2c_get_chip_for_busnum(pmic_bus, pmic_addr, 1, &dev);
141 ret = dm_i2c_read(dev, 0x13, &data, 1);
147 ret = dm_i2c_write(dev, 0x13, &data, 1);
152 enum env_location env_get_location(enum env_operation op, int prio)
154 const u32 load_magic = 0xb33fc0de;
156 /* Block environment access if loaded using JTAG */
157 if ((readl(CONFIG_SPL_TEXT_BASE + 0x24) == load_magic) &&
164 return ENVL_SPI_FLASH;