1 /* 2 * board/renesas/porter/porter.c 3 * 4 * Copyright (C) 2015 Renesas Electronics Corporation 5 * Copyright (C) 2015 Cogent Embedded, Inc. 6 * 7 * SPDX-License-Identifier: GPL-2.0 8 */ 9 10 #include <common.h> 11 #include <malloc.h> 12 #include <dm.h> 13 #include <dm/platform_data/serial_sh.h> 14 #include <asm/processor.h> 15 #include <asm/mach-types.h> 16 #include <asm/io.h> 17 #include <linux/errno.h> 18 #include <asm/arch/sys_proto.h> 19 #include <asm/gpio.h> 20 #include <asm/arch/rmobile.h> 21 #include <asm/arch/rcar-mstp.h> 22 #include <asm/arch/sh_sdhi.h> 23 #include <netdev.h> 24 #include <miiphy.h> 25 #include <i2c.h> 26 #include <div64.h> 27 #include "qos.h" 28 29 DECLARE_GLOBAL_DATA_PTR; 30 31 #define CLK2MHZ(clk) (clk / 1000 / 1000) 32 void s_init(void) 33 { 34 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE; 35 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE; 36 u32 stc; 37 38 /* Watchdog init */ 39 writel(0xA5A5A500, &rwdt->rwtcsra); 40 writel(0xA5A5A500, &swdt->swtcsra); 41 42 /* CPU frequency setting. Set to 1.5GHz */ 43 stc = ((1500 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1) << PLL0_STC_BIT; 44 clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc); 45 46 /* QoS */ 47 qos_init(); 48 } 49 50 #define TMU0_MSTP125 (1 << 25) 51 #define SDHI0_MSTP314 (1 << 14) 52 #define SDHI2_MSTP311 (1 << 11) 53 #define SCIF0_MSTP721 (1 << 21) 54 #define ETHER_MSTP813 (1 << 13) 55 56 #define SD2CKCR 0xE615026C 57 #define SD_97500KHZ 0x7 58 59 int board_early_init_f(void) 60 { 61 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125); 62 63 /* SCIF0 */ 64 mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721); 65 66 /* ETHER */ 67 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813); 68 69 /* SDHI */ 70 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI0_MSTP314 | SDHI2_MSTP311); 71 72 /* 73 * SD0 clock is set to 97.5MHz by default. 74 * Set SD2 to the 97.5MHz as well. 75 */ 76 writel(SD_97500KHZ, SD2CKCR); 77 78 return 0; 79 } 80 81 /* LSI pin pull-up control */ 82 #define PUPR5 0xe6060114 83 #define PUPR5_ETH 0x3FFC0000 84 #define PUPR5_ETH_MAGIC (1 << 27) 85 int board_init(void) 86 { 87 /* adress of boot parameters */ 88 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 89 90 /* Init PFC controller */ 91 r8a7791_pinmux_init(); 92 93 /* Ether Enable */ 94 gpio_request(GPIO_FN_ETH_CRS_DV, NULL); 95 gpio_request(GPIO_FN_ETH_RX_ER, NULL); 96 gpio_request(GPIO_FN_ETH_RXD0, NULL); 97 gpio_request(GPIO_FN_ETH_RXD1, NULL); 98 gpio_request(GPIO_FN_ETH_LINK, NULL); 99 gpio_request(GPIO_FN_ETH_REFCLK, NULL); 100 gpio_request(GPIO_FN_ETH_MDIO, NULL); 101 gpio_request(GPIO_FN_ETH_TXD1, NULL); 102 gpio_request(GPIO_FN_ETH_TX_EN, NULL); 103 gpio_request(GPIO_FN_ETH_TXD0, NULL); 104 gpio_request(GPIO_FN_ETH_MDC, NULL); 105 gpio_request(GPIO_FN_IRQ0, NULL); 106 107 mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH & ~PUPR5_ETH_MAGIC); 108 gpio_request(GPIO_GP_5_22, NULL); /* PHY_RST */ 109 mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH_MAGIC); 110 111 gpio_direction_output(GPIO_GP_5_22, 0); 112 mdelay(20); 113 gpio_set_value(GPIO_GP_5_22, 1); 114 udelay(1); 115 116 return 0; 117 } 118 119 #define CXR24 0xEE7003C0 /* MAC address high register */ 120 #define CXR25 0xEE7003C8 /* MAC address low register */ 121 int board_eth_init(bd_t *bis) 122 { 123 #ifdef CONFIG_SH_ETHER 124 int ret = -ENODEV; 125 u32 val; 126 unsigned char enetaddr[6]; 127 128 ret = sh_eth_initialize(bis); 129 if (!eth_getenv_enetaddr("ethaddr", enetaddr)) 130 return ret; 131 132 /* Set Mac address */ 133 val = enetaddr[0] << 24 | enetaddr[1] << 16 | 134 enetaddr[2] << 8 | enetaddr[3]; 135 writel(val, CXR24); 136 137 val = enetaddr[4] << 8 | enetaddr[5]; 138 writel(val, CXR25); 139 140 return ret; 141 #else 142 return 0; 143 #endif 144 } 145 146 int board_mmc_init(bd_t *bis) 147 { 148 int ret = -ENODEV; 149 150 #ifdef CONFIG_SH_SDHI 151 gpio_request(GPIO_FN_SD0_DATA0, NULL); 152 gpio_request(GPIO_FN_SD0_DATA1, NULL); 153 gpio_request(GPIO_FN_SD0_DATA2, NULL); 154 gpio_request(GPIO_FN_SD0_DATA3, NULL); 155 gpio_request(GPIO_FN_SD0_CLK, NULL); 156 gpio_request(GPIO_FN_SD0_CMD, NULL); 157 gpio_request(GPIO_FN_SD0_CD, NULL); 158 gpio_request(GPIO_FN_SD2_DATA0, NULL); 159 gpio_request(GPIO_FN_SD2_DATA1, NULL); 160 gpio_request(GPIO_FN_SD2_DATA2, NULL); 161 gpio_request(GPIO_FN_SD2_DATA3, NULL); 162 gpio_request(GPIO_FN_SD2_CLK, NULL); 163 gpio_request(GPIO_FN_SD2_CMD, NULL); 164 gpio_request(GPIO_FN_SD2_CD, NULL); 165 166 /* SDHI 0 */ 167 gpio_request(GPIO_GP_2_12, NULL); 168 gpio_direction_output(GPIO_GP_2_12, 1); /* 1: 3.3V, 0: 1.8V */ 169 170 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0, 171 SH_SDHI_QUIRK_16BIT_BUF); 172 if (ret) 173 return ret; 174 175 /* SDHI 2 */ 176 gpio_request(GPIO_GP_2_26, NULL); 177 gpio_direction_output(GPIO_GP_2_26, 1); /* 1: 3.3V, 0: 1.8V */ 178 179 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI2_BASE, 2, 0); 180 #endif 181 return ret; 182 } 183 184 int dram_init(void) 185 { 186 gd->ram_size = CONFIG_SYS_SDRAM_SIZE; 187 188 return 0; 189 } 190 191 /* porter has KSZ8041RNLI */ 192 #define PHY_CONTROL1 0x1E 193 #define PHY_LED_MODE 0xC0000 194 #define PHY_LED_MODE_ACK 0x4000 195 int board_phy_config(struct phy_device *phydev) 196 { 197 int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1); 198 ret &= ~PHY_LED_MODE; 199 ret |= PHY_LED_MODE_ACK; 200 ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret); 201 202 return 0; 203 } 204 205 const struct rmobile_sysinfo sysinfo = { 206 CONFIG_ARCH_RMOBILE_BOARD_STRING 207 }; 208 209 void reset_cpu(ulong addr) 210 { 211 u8 val; 212 213 i2c_set_bus_num(2); /* PowerIC connected to ch2 */ 214 i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1); 215 val |= 0x02; 216 i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1); 217 } 218 219 static const struct sh_serial_platdata serial_platdata = { 220 .base = SCIF0_BASE, 221 .type = PORT_SCIF, 222 .clk = CONFIG_P_CLK_FREQ, 223 }; 224 225 U_BOOT_DEVICE(porter_serials) = { 226 .name = "serial_sh", 227 .platdata = &serial_platdata, 228 }; 229