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>
21 #include <asm/arch/rcar-mstp.h>
26 DECLARE_GLOBAL_DATA_PTR;
28 #define CLK2MHZ(clk) (clk / 1000 / 1000)
31 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE;
32 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE;
35 writel(0xA5A5A500, &rwdt->rwtcsra);
36 writel(0xA5A5A500, &swdt->swtcsra);
38 /* CPU frequency setting. Set to 1.4GHz */
39 if (rmobile_get_cpu_rev_integer() >= R8A7790_CUT_ES2X) {
41 u32 stc = ((1400 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1)
43 clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc);
46 stat = readl(PLLECR) & PLL0ST;
47 } while (stat == 0x0);
50 /* QoS(Quality-of-Service) Init */
54 #define TMU0_MSTP125 (1 << 25)
55 #define SCIF0_MSTP721 (1 << 21)
56 #define ETHER_MSTP813 (1 << 13)
58 int board_early_init_f(void)
61 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
63 mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721);
65 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
70 void arch_preboot_os(void)
73 mstp_setbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
76 DECLARE_GLOBAL_DATA_PTR;
79 /* adress of boot parameters */
80 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
82 /* Init PFC controller */
83 r8a7790_pinmux_init();
86 gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
87 gpio_request(GPIO_FN_ETH_RX_ER, NULL);
88 gpio_request(GPIO_FN_ETH_RXD0, NULL);
89 gpio_request(GPIO_FN_ETH_RXD1, NULL);
90 gpio_request(GPIO_FN_ETH_LINK, NULL);
91 gpio_request(GPIO_FN_ETH_REF_CLK, NULL);
92 gpio_request(GPIO_FN_ETH_MDIO, NULL);
93 gpio_request(GPIO_FN_ETH_TXD1, NULL);
94 gpio_request(GPIO_FN_ETH_TX_EN, NULL);
95 gpio_request(GPIO_FN_ETH_MAGIC, NULL);
96 gpio_request(GPIO_FN_ETH_TXD0, NULL);
97 gpio_request(GPIO_FN_ETH_MDC, NULL);
98 gpio_request(GPIO_FN_IRQ0, NULL);
100 gpio_request(GPIO_GP_5_31, NULL); /* PHY_RST */
101 gpio_direction_output(GPIO_GP_5_31, 0);
103 gpio_set_value(GPIO_GP_5_31, 1);
109 #define CXR24 0xEE7003C0 /* MAC address high register */
110 #define CXR25 0xEE7003C8 /* MAC address low register */
111 int board_eth_init(bd_t *bis)
115 #ifdef CONFIG_SH_ETHER
117 unsigned char enetaddr[6];
119 ret = sh_eth_initialize(bis);
120 if (!eth_getenv_enetaddr("ethaddr", enetaddr))
123 /* Set Mac address */
124 val = enetaddr[0] << 24 | enetaddr[1] << 16 |
125 enetaddr[2] << 8 | enetaddr[3];
128 val = enetaddr[4] << 8 | enetaddr[5];
136 /* lager has KSZ8041NL/RNL */
137 #define PHY_CONTROL1 0x1E
138 #define PHY_LED_MODE 0xC0000
139 #define PHY_LED_MODE_ACK 0x4000
140 int board_phy_config(struct phy_device *phydev)
142 int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
143 ret &= ~PHY_LED_MODE;
144 ret |= PHY_LED_MODE_ACK;
145 ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);
152 gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
157 const struct rmobile_sysinfo sysinfo = {
158 CONFIG_RMOBILE_BOARD_STRING
161 void reset_cpu(ulong addr)
165 i2c_set_bus_num(3); /* PowerIC connected to ch3 */
167 i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);
169 i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1);