1 /* 2 * board/renesas/salvator-x/salvator-x.c 3 * This file is Salvator-X/Salvator-XS board support. 4 * 5 * Copyright (C) 2015-2017 Renesas Electronics Corporation 6 * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> 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/gpio.h> 23 #include <asm/arch/rmobile.h> 24 #include <asm/arch/rcar-mstp.h> 25 #include <asm/arch/sh_sdhi.h> 26 #include <i2c.h> 27 #include <mmc.h> 28 29 DECLARE_GLOBAL_DATA_PTR; 30 31 #define CPGWPCR 0xE6150904 32 #define CPGWPR 0xE615090C 33 34 #define CLK2MHZ(clk) (clk / 1000 / 1000) 35 void s_init(void) 36 { 37 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE; 38 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE; 39 40 /* Watchdog init */ 41 writel(0xA5A5A500, &rwdt->rwtcsra); 42 writel(0xA5A5A500, &swdt->swtcsra); 43 44 writel(0xA5A50000, CPGWPCR); 45 writel(0xFFFFFFFF, CPGWPR); 46 } 47 48 #define GSX_MSTP112 BIT(12) /* 3DG */ 49 #define TMU0_MSTP125 BIT(25) /* secure */ 50 #define TMU1_MSTP124 BIT(24) /* non-secure */ 51 #define SCIF2_MSTP310 BIT(10) /* SCIF2 */ 52 #define ETHERAVB_MSTP812 BIT(12) 53 #define DVFS_MSTP926 BIT(26) 54 #define SD0_MSTP314 BIT(14) 55 #define SD1_MSTP313 BIT(13) 56 #define SD2_MSTP312 BIT(12) /* either MMC0 */ 57 #define SD3_MSTP311 BIT(11) /* either MMC1 */ 58 59 #define SD0CKCR 0xE6150074 60 #define SD1CKCR 0xE6150078 61 #define SD2CKCR 0xE6150268 62 #define SD3CKCR 0xE615026C 63 64 int board_early_init_f(void) 65 { 66 /* TMU0,1 */ /* which use ? */ 67 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125 | TMU1_MSTP124); 68 /* SCIF2 */ 69 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SCIF2_MSTP310); 70 /* EHTERAVB */ 71 mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHERAVB_MSTP812); 72 /* eMMC */ 73 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SD1_MSTP313 | SD2_MSTP312); 74 /* SDHI0, 3 */ 75 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SD0_MSTP314 | SD3_MSTP311); 76 77 writel(1, SD0CKCR); 78 writel(1, SD1CKCR); 79 writel(1, SD2CKCR); 80 writel(1, SD3CKCR); 81 82 #if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH) 83 /* DVFS for reset */ 84 mstp_clrbits_le32(MSTPSR9, SMSTPCR9, DVFS_MSTP926); 85 #endif 86 return 0; 87 } 88 89 /* SYSC */ 90 /* R/- 32 Power status register 2(3DG) */ 91 #define SYSC_PWRSR2 0xE6180100 92 /* -/W 32 Power resume control register 2 (3DG) */ 93 #define SYSC_PWRONCR2 0xE618010C 94 95 int board_init(void) 96 { 97 /* adress of boot parameters */ 98 gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000; 99 100 /* Init PFC controller */ 101 #if defined(CONFIG_R8A7795) 102 r8a7795_pinmux_init(); 103 #elif defined(CONFIG_R8A7796) 104 r8a7796_pinmux_init(); 105 #endif 106 107 #if defined(CONFIG_R8A7795) 108 /* GSX: force power and clock supply */ 109 writel(0x0000001F, SYSC_PWRONCR2); 110 while (readl(SYSC_PWRSR2) != 0x000003E0) 111 mdelay(20); 112 113 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, GSX_MSTP112); 114 #endif 115 116 /* USB1 pull-up */ 117 setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN); 118 119 #ifdef CONFIG_RENESAS_RAVB 120 /* EtherAVB Enable */ 121 /* GPSR2 */ 122 gpio_request(GPIO_GFN_AVB_AVTP_CAPTURE_A, NULL); 123 gpio_request(GPIO_GFN_AVB_AVTP_MATCH_A, NULL); 124 gpio_request(GPIO_GFN_AVB_LINK, NULL); 125 gpio_request(GPIO_GFN_AVB_PHY_INT, NULL); 126 gpio_request(GPIO_GFN_AVB_MAGIC, NULL); 127 gpio_request(GPIO_GFN_AVB_MDC, NULL); 128 129 /* IPSR0 */ 130 gpio_request(GPIO_IFN_AVB_MDC, NULL); 131 gpio_request(GPIO_IFN_AVB_MAGIC, NULL); 132 gpio_request(GPIO_IFN_AVB_PHY_INT, NULL); 133 gpio_request(GPIO_IFN_AVB_LINK, NULL); 134 gpio_request(GPIO_IFN_AVB_AVTP_MATCH_A, NULL); 135 gpio_request(GPIO_IFN_AVB_AVTP_CAPTURE_A, NULL); 136 /* IPSR1 */ 137 gpio_request(GPIO_FN_AVB_AVTP_PPS, NULL); 138 /* IPSR2 */ 139 gpio_request(GPIO_FN_AVB_AVTP_MATCH_B, NULL); 140 /* IPSR3 */ 141 gpio_request(GPIO_FN_AVB_AVTP_CAPTURE_B, NULL); 142 143 #if defined(CONFIG_R8A7795) 144 /* USB2_OVC */ 145 gpio_request(GPIO_GP_6_15, NULL); 146 gpio_direction_input(GPIO_GP_6_15); 147 148 /* USB2_PWEN */ 149 gpio_request(GPIO_GP_6_14, NULL); 150 gpio_direction_output(GPIO_GP_6_14, 1); 151 gpio_set_value(GPIO_GP_6_14, 1); 152 #endif 153 /* AVB_PHY_RST */ 154 gpio_request(GPIO_GP_2_10, NULL); 155 gpio_direction_output(GPIO_GP_2_10, 0); 156 mdelay(20); 157 gpio_set_value(GPIO_GP_2_10, 1); 158 udelay(1); 159 #endif 160 161 #ifdef CONFIG_MMC 162 /* SDHI0 */ 163 gpio_request(GPIO_GFN_SD0_DAT0, NULL); 164 gpio_request(GPIO_GFN_SD0_DAT1, NULL); 165 gpio_request(GPIO_GFN_SD0_DAT2, NULL); 166 gpio_request(GPIO_GFN_SD0_DAT3, NULL); 167 gpio_request(GPIO_GFN_SD0_CLK, NULL); 168 gpio_request(GPIO_GFN_SD0_CMD, NULL); 169 gpio_request(GPIO_GFN_SD0_CD, NULL); 170 gpio_request(GPIO_GFN_SD0_WP, NULL); 171 172 gpio_request(GPIO_GP_5_2, NULL); 173 gpio_request(GPIO_GP_5_1, NULL); 174 gpio_direction_output(GPIO_GP_5_2, 1); /* power on */ 175 gpio_direction_output(GPIO_GP_5_1, 1); /* 1: 3.3V, 0: 1.8V */ 176 177 /* SDHI1/SDHI2 eMMC */ 178 gpio_request(GPIO_GFN_SD1_DAT0, NULL); 179 gpio_request(GPIO_GFN_SD1_DAT1, NULL); 180 gpio_request(GPIO_GFN_SD1_DAT2, NULL); 181 gpio_request(GPIO_GFN_SD1_DAT3, NULL); 182 gpio_request(GPIO_GFN_SD2_DAT0, NULL); 183 gpio_request(GPIO_GFN_SD2_DAT1, NULL); 184 gpio_request(GPIO_GFN_SD2_DAT2, NULL); 185 gpio_request(GPIO_GFN_SD2_DAT3, NULL); 186 gpio_request(GPIO_GFN_SD2_CLK, NULL); 187 #if defined(CONFIG_R8A7795) 188 gpio_request(GPIO_GFN_SD2_CMD, NULL); 189 #elif defined(CONFIG_R8A7796) 190 gpio_request(GPIO_FN_SD2_CMD, NULL); 191 #else 192 #error Only R8A7795 and R87796 is supported 193 #endif 194 gpio_request(GPIO_GP_5_3, NULL); 195 gpio_request(GPIO_GP_5_9, NULL); 196 gpio_direction_output(GPIO_GP_5_3, 0); /* 1: 3.3V, 0: 1.8V */ 197 gpio_direction_output(GPIO_GP_5_9, 0); /* 1: 3.3V, 0: 1.8V */ 198 199 #if defined(CONFIG_R8A7795) 200 /* SDHI3 */ 201 gpio_request(GPIO_GFN_SD3_DAT0, NULL); /* GP_4_9 */ 202 gpio_request(GPIO_GFN_SD3_DAT1, NULL); /* GP_4_10 */ 203 gpio_request(GPIO_GFN_SD3_DAT2, NULL); /* GP_4_11 */ 204 gpio_request(GPIO_GFN_SD3_DAT3, NULL); /* GP_4_12 */ 205 gpio_request(GPIO_GFN_SD3_CLK, NULL); /* GP_4_7 */ 206 gpio_request(GPIO_GFN_SD3_CMD, NULL); /* GP_4_8 */ 207 #elif defined(CONFIG_R8A7796) 208 gpio_request(GPIO_FN_SD3_DAT0, NULL); /* GP_4_9 */ 209 gpio_request(GPIO_FN_SD3_DAT1, NULL); /* GP_4_10 */ 210 gpio_request(GPIO_FN_SD3_DAT2, NULL); /* GP_4_11 */ 211 gpio_request(GPIO_FN_SD3_DAT3, NULL); /* GP_4_12 */ 212 gpio_request(GPIO_FN_SD3_CLK, NULL); /* GP_4_7 */ 213 gpio_request(GPIO_FN_SD3_CMD, NULL); /* GP_4_8 */ 214 #else 215 #error Only R8A7795 and R87796 is supported 216 #endif 217 /* IPSR10 */ 218 gpio_request(GPIO_FN_SD3_CD, NULL); 219 gpio_request(GPIO_FN_SD3_WP, NULL); 220 221 gpio_request(GPIO_GP_3_15, NULL); 222 gpio_request(GPIO_GP_3_14, NULL); 223 gpio_direction_output(GPIO_GP_3_15, 1); /* power on */ 224 gpio_direction_output(GPIO_GP_3_14, 1); /* 1: 3.3V, 0: 1.8V */ 225 #endif 226 227 return 0; 228 } 229 230 int dram_init(void) 231 { 232 gd->ram_size = PHYS_SDRAM_1_SIZE; 233 #if (CONFIG_NR_DRAM_BANKS >= 2) 234 gd->ram_size += PHYS_SDRAM_2_SIZE; 235 #endif 236 #if (CONFIG_NR_DRAM_BANKS >= 3) 237 gd->ram_size += PHYS_SDRAM_3_SIZE; 238 #endif 239 #if (CONFIG_NR_DRAM_BANKS >= 4) 240 gd->ram_size += PHYS_SDRAM_4_SIZE; 241 #endif 242 243 return 0; 244 } 245 246 int dram_init_banksize(void) 247 { 248 gd->bd->bi_dram[0].start = PHYS_SDRAM_1; 249 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; 250 #if (CONFIG_NR_DRAM_BANKS >= 2) 251 gd->bd->bi_dram[1].start = PHYS_SDRAM_2; 252 gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; 253 #endif 254 #if (CONFIG_NR_DRAM_BANKS >= 3) 255 gd->bd->bi_dram[2].start = PHYS_SDRAM_3; 256 gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; 257 #endif 258 #if (CONFIG_NR_DRAM_BANKS >= 4) 259 gd->bd->bi_dram[3].start = PHYS_SDRAM_4; 260 gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; 261 #endif 262 return 0; 263 } 264 265 const struct rmobile_sysinfo sysinfo = { 266 CONFIG_RCAR_BOARD_STRING 267 }; 268 269 #define RST_BASE 0xE6160000 270 #define RST_CA57RESCNT (RST_BASE + 0x40) 271 #define RST_CA53RESCNT (RST_BASE + 0x44) 272 #define RST_RSTOUTCR (RST_BASE + 0x58) 273 #define RST_CODE 0xA5A5000F 274 275 void reset_cpu(ulong addr) 276 { 277 #if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH) 278 i2c_reg_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x20, 0x80); 279 #else 280 /* only CA57 ? */ 281 writel(RST_CODE, RST_CA57RESCNT); 282 #endif 283 } 284