1 /* 2 * board/renesas/lager/lager.c 3 * This file is lager board support. 4 * 5 * Copyright (C) 2013 Renesas Electronics Corporation 6 * Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> 7 * 8 * SPDX-License-Identifier: GPL-2.0 9 */ 10 11 #include <common.h> 12 #include <malloc.h> 13 #include <netdev.h> 14 #include <dm.h> 15 #include <dm/platform_data/serial_sh.h> 16 #include <asm/processor.h> 17 #include <asm/mach-types.h> 18 #include <asm/io.h> 19 #include <linux/errno.h> 20 #include <asm/arch/sys_proto.h> 21 #include <asm/gpio.h> 22 #include <asm/arch/rmobile.h> 23 #include <asm/arch/rcar-mstp.h> 24 #include <asm/arch/mmc.h> 25 #include <asm/arch/sh_sdhi.h> 26 #include <miiphy.h> 27 #include <i2c.h> 28 #include <mmc.h> 29 #include "qos.h" 30 31 DECLARE_GLOBAL_DATA_PTR; 32 33 #define CLK2MHZ(clk) (clk / 1000 / 1000) 34 void s_init(void) 35 { 36 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE; 37 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE; 38 39 /* Watchdog init */ 40 writel(0xA5A5A500, &rwdt->rwtcsra); 41 writel(0xA5A5A500, &swdt->swtcsra); 42 43 /* CPU frequency setting. Set to 1.4GHz */ 44 if (rmobile_get_cpu_rev_integer() >= R8A7790_CUT_ES2X) { 45 u32 stat = 0; 46 u32 stc = ((1400 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1) 47 << PLL0_STC_BIT; 48 clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc); 49 50 do { 51 stat = readl(PLLECR) & PLL0ST; 52 } while (stat == 0x0); 53 } 54 55 /* QoS(Quality-of-Service) Init */ 56 qos_init(); 57 } 58 59 #define TMU0_MSTP125 (1 << 25) 60 #define SCIF0_MSTP721 (1 << 21) 61 #define ETHER_MSTP813 (1 << 13) 62 #define MMC1_MSTP305 (1 << 5) 63 64 #define MSTPSR3 0xE6150048 65 #define SMSTPCR3 0xE615013C 66 #define SDHI0_MSTP314 (1 << 14) 67 #define SDHI1_MSTP313 (1 << 13) 68 #define SDHI2_MSTP312 (1 << 12) 69 70 #define SD2CKCR 0xE6150078 71 #define SD2_97500KHZ 0x7 72 73 int board_early_init_f(void) 74 { 75 /* TMU0 */ 76 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125); 77 /* SCIF0 */ 78 mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721); 79 /* ETHER */ 80 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813); 81 /* eMMC */ 82 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, MMC1_MSTP305); 83 /* SDHI0, 2 */ 84 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI0_MSTP314 | SDHI2_MSTP312); 85 86 /* 87 * SD0 clock is set to 97.5MHz by default. 88 * Set SD2 to the 97.5MHz as well. 89 */ 90 writel(SD2_97500KHZ, SD2CKCR); 91 92 return 0; 93 } 94 95 DECLARE_GLOBAL_DATA_PTR; 96 int board_init(void) 97 { 98 /* adress of boot parameters */ 99 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 100 101 /* Init PFC controller */ 102 r8a7790_pinmux_init(); 103 104 /* ETHER Enable */ 105 gpio_request(GPIO_FN_ETH_CRS_DV, NULL); 106 gpio_request(GPIO_FN_ETH_RX_ER, NULL); 107 gpio_request(GPIO_FN_ETH_RXD0, NULL); 108 gpio_request(GPIO_FN_ETH_RXD1, NULL); 109 gpio_request(GPIO_FN_ETH_LINK, NULL); 110 gpio_request(GPIO_FN_ETH_REF_CLK, NULL); 111 gpio_request(GPIO_FN_ETH_MDIO, NULL); 112 gpio_request(GPIO_FN_ETH_TXD1, NULL); 113 gpio_request(GPIO_FN_ETH_TX_EN, NULL); 114 gpio_request(GPIO_FN_ETH_MAGIC, NULL); 115 gpio_request(GPIO_FN_ETH_TXD0, NULL); 116 gpio_request(GPIO_FN_ETH_MDC, NULL); 117 gpio_request(GPIO_FN_IRQ0, NULL); 118 119 gpio_request(GPIO_GP_5_31, NULL); /* PHY_RST */ 120 gpio_direction_output(GPIO_GP_5_31, 0); 121 mdelay(20); 122 gpio_set_value(GPIO_GP_5_31, 1); 123 udelay(1); 124 125 return 0; 126 } 127 128 #define CXR24 0xEE7003C0 /* MAC address high register */ 129 #define CXR25 0xEE7003C8 /* MAC address low register */ 130 int board_eth_init(bd_t *bis) 131 { 132 int ret = -ENODEV; 133 134 #ifdef CONFIG_SH_ETHER 135 u32 val; 136 unsigned char enetaddr[6]; 137 138 ret = sh_eth_initialize(bis); 139 if (!eth_getenv_enetaddr("ethaddr", enetaddr)) 140 return ret; 141 142 /* Set Mac address */ 143 val = enetaddr[0] << 24 | enetaddr[1] << 16 | 144 enetaddr[2] << 8 | enetaddr[3]; 145 writel(val, CXR24); 146 147 val = enetaddr[4] << 8 | enetaddr[5]; 148 writel(val, CXR25); 149 150 #endif 151 152 return ret; 153 } 154 155 /* lager has KSZ8041NL/RNL */ 156 #define PHY_CONTROL1 0x1E 157 #define PHY_LED_MODE 0xC0000 158 #define PHY_LED_MODE_ACK 0x4000 159 int board_phy_config(struct phy_device *phydev) 160 { 161 int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1); 162 ret &= ~PHY_LED_MODE; 163 ret |= PHY_LED_MODE_ACK; 164 ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret); 165 166 return 0; 167 } 168 169 int board_mmc_init(bd_t *bis) 170 { 171 int ret = -ENODEV; 172 173 #ifdef CONFIG_SH_MMCIF 174 gpio_request(GPIO_FN_MMC1_D0, NULL); 175 gpio_request(GPIO_FN_MMC1_D1, NULL); 176 gpio_request(GPIO_FN_MMC1_D2, NULL); 177 gpio_request(GPIO_FN_MMC1_D3, NULL); 178 gpio_request(GPIO_FN_MMC1_D4, NULL); 179 gpio_request(GPIO_FN_MMC1_D5, NULL); 180 gpio_request(GPIO_FN_MMC1_D6, NULL); 181 gpio_request(GPIO_FN_MMC1_D7, NULL); 182 gpio_request(GPIO_FN_MMC1_CLK, NULL); 183 gpio_request(GPIO_FN_MMC1_CMD, NULL); 184 185 ret = mmcif_mmc_init(); 186 #endif 187 188 #ifdef CONFIG_SH_SDHI 189 gpio_request(GPIO_FN_SD0_DAT0, NULL); 190 gpio_request(GPIO_FN_SD0_DAT1, NULL); 191 gpio_request(GPIO_FN_SD0_DAT2, NULL); 192 gpio_request(GPIO_FN_SD0_DAT3, NULL); 193 gpio_request(GPIO_FN_SD0_CLK, NULL); 194 gpio_request(GPIO_FN_SD0_CMD, NULL); 195 gpio_request(GPIO_FN_SD0_CD, NULL); 196 gpio_request(GPIO_FN_SD2_DAT0, NULL); 197 gpio_request(GPIO_FN_SD2_DAT1, NULL); 198 gpio_request(GPIO_FN_SD2_DAT2, NULL); 199 gpio_request(GPIO_FN_SD2_DAT3, NULL); 200 gpio_request(GPIO_FN_SD2_CLK, NULL); 201 gpio_request(GPIO_FN_SD2_CMD, NULL); 202 gpio_request(GPIO_FN_SD2_CD, NULL); 203 204 /* 205 * SDHI 0 206 * need JP3 set to pin-1 side on board. 207 */ 208 gpio_request(GPIO_GP_5_24, NULL); 209 gpio_request(GPIO_GP_5_29, NULL); 210 gpio_direction_output(GPIO_GP_5_24, 1); /* power on */ 211 gpio_direction_output(GPIO_GP_5_29, 1); /* 1: 3.3V, 0: 1.8V */ 212 213 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0, 214 SH_SDHI_QUIRK_16BIT_BUF); 215 if (ret) 216 return ret; 217 218 /* SDHI 2 */ 219 gpio_request(GPIO_GP_5_25, NULL); 220 gpio_request(GPIO_GP_5_30, NULL); 221 gpio_direction_output(GPIO_GP_5_25, 1); /* power on */ 222 gpio_direction_output(GPIO_GP_5_30, 1); /* 1: 3.3V, 0: 1.8V */ 223 224 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI2_BASE, 2, 0); 225 #endif 226 return ret; 227 } 228 229 230 int dram_init(void) 231 { 232 gd->ram_size = CONFIG_SYS_SDRAM_SIZE; 233 234 return 0; 235 } 236 237 const struct rmobile_sysinfo sysinfo = { 238 CONFIG_ARCH_RMOBILE_BOARD_STRING 239 }; 240 241 void reset_cpu(ulong addr) 242 { 243 u8 val; 244 245 i2c_set_bus_num(3); /* PowerIC connected to ch3 */ 246 i2c_init(400000, 0); 247 i2c_read(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1); 248 val |= 0x02; 249 i2c_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x13, 1, &val, 1); 250 } 251 252 static const struct sh_serial_platdata serial_platdata = { 253 .base = SCIF0_BASE, 254 .type = PORT_SCIF, 255 .clk = 14745600, 256 .clk_mode = EXT_CLK, 257 }; 258 259 U_BOOT_DEVICE(lager_serials) = { 260 .name = "serial_sh", 261 .platdata = &serial_platdata, 262 }; 263