2 * board/renesas/lager/lager.c
3 * This file is lager board support.
5 * Copyright (C) 2013 Renesas Electronics Corporation
6 * Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
8 * SPDX-License-Identifier: GPL-2.0
14 #include <asm/processor.h>
15 #include <asm/mach-types.h>
17 #include <asm/errno.h>
18 #include <asm/arch/sys_proto.h>
20 #include <asm/arch/rmobile.h>
25 DECLARE_GLOBAL_DATA_PTR;
27 #define CLK2MHZ(clk) (clk / 1000 / 1000)
30 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
31 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
34 writel(0xA5A5A500, &rwdt->rwtcsra);
35 writel(0xA5A5A500, &swdt->swtcsra);
37 /* CPU frequency setting. Set to 1.4GHz */
38 if (rmobile_get_cpu_rev_integer() >= R8A7790_CUT_ES2X) {
40 u32 stc = ((1400 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1)
42 clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc);
45 stat = readl(PLLECR) & PLL0ST;
46 } while (stat == 0x0);
49 /* QoS(Quality-of-Service) Init */
53 #define MSTPSR1 0xE6150038
54 #define SMSTPCR1 0xE6150134
55 #define TMU0_MSTP125 (1 << 25)
57 #define MSTPSR7 0xE61501C4
58 #define SMSTPCR7 0xE615014C
59 #define SCIF0_MSTP721 (1 << 21)
61 #define MSTPSR8 0xE61509A0
62 #define SMSTPCR8 0xE6150990
63 #define ETHER_MSTP813 (1 << 13)
65 #define mstp_setbits(type, addr, saddr, set) \
66 out_##type((saddr), in_##type(addr) | (set))
67 #define mstp_clrbits(type, addr, saddr, clear) \
68 out_##type((saddr), in_##type(addr) & ~(clear))
69 #define mstp_setbits_le32(addr, saddr, set) \
70 mstp_setbits(le32, addr, saddr, set)
71 #define mstp_clrbits_le32(addr, saddr, clear) \
72 mstp_clrbits(le32, addr, saddr, clear)
74 int board_early_init_f(void)
77 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
79 mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721);
81 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
86 void arch_preboot_os(void)
89 mstp_setbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
92 DECLARE_GLOBAL_DATA_PTR;
95 /* adress of boot parameters */
96 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
98 /* Init PFC controller */
99 r8a7790_pinmux_init();
102 gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
103 gpio_request(GPIO_FN_ETH_RX_ER, NULL);
104 gpio_request(GPIO_FN_ETH_RXD0, NULL);
105 gpio_request(GPIO_FN_ETH_RXD1, NULL);
106 gpio_request(GPIO_FN_ETH_LINK, NULL);
107 gpio_request(GPIO_FN_ETH_REF_CLK, NULL);
108 gpio_request(GPIO_FN_ETH_MDIO, NULL);
109 gpio_request(GPIO_FN_ETH_TXD1, NULL);
110 gpio_request(GPIO_FN_ETH_TX_EN, NULL);
111 gpio_request(GPIO_FN_ETH_MAGIC, NULL);
112 gpio_request(GPIO_FN_ETH_TXD0, NULL);
113 gpio_request(GPIO_FN_ETH_MDC, NULL);
114 gpio_request(GPIO_FN_IRQ0, NULL);
116 gpio_request(GPIO_GP_5_31, NULL); /* PHY_RST */
117 gpio_direction_output(GPIO_GP_5_31, 0);
119 gpio_set_value(GPIO_GP_5_31, 1);
125 #define CXR24 0xEE7003C0 /* MAC address high register */
126 #define CXR25 0xEE7003C8 /* MAC address low register */
127 int board_eth_init(bd_t *bis)
131 #ifdef CONFIG_SH_ETHER
133 unsigned char enetaddr[6];
135 ret = sh_eth_initialize(bis);
136 if (!eth_getenv_enetaddr("ethaddr", enetaddr))
139 /* Set Mac address */
140 val = enetaddr[0] << 24 | enetaddr[1] << 16 |
141 enetaddr[2] << 8 | enetaddr[3];
144 val = enetaddr[4] << 8 | enetaddr[5];
152 /* lager has KSZ8041NL/RNL */
153 #define PHY_CONTROL1 0x1E
154 #define PHY_LED_MODE 0xC0000
155 #define PHY_LED_MODE_ACK 0x4000
156 int board_phy_config(struct phy_device *phydev)
158 int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
159 ret &= ~PHY_LED_MODE;
160 ret |= PHY_LED_MODE_ACK;
161 ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);
168 gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
173 const struct rmobile_sysinfo sysinfo = {
174 CONFIG_RMOBILE_BOARD_STRING
177 void reset_cpu(ulong addr)
181 i2c_set_bus_num(3); /* PowerIC connected to ch3 */
183 i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
185 i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);