1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * board/renesas/blanche/blanche.c 4 * This file is blanche board support. 5 * 6 * Copyright (C) 2016 Renesas Electronics Corporation 7 */ 8 9 #include <common.h> 10 #include <asm/arch/mmc.h> 11 #include <asm/arch/rcar-mstp.h> 12 #include <asm/arch/rmobile.h> 13 #include <asm/arch/sh_sdhi.h> 14 #include <asm/arch/sys_proto.h> 15 #include <asm/gpio.h> 16 #include <asm/io.h> 17 #include <asm/mach-types.h> 18 #include <asm/processor.h> 19 #include <dm.h> 20 #include <dm/platform_data/serial_sh.h> 21 #include <environment.h> 22 #include <i2c.h> 23 #include <linux/errno.h> 24 #include <malloc.h> 25 #include <miiphy.h> 26 #include <mmc.h> 27 #include <netdev.h> 28 #include "qos.h" 29 30 DECLARE_GLOBAL_DATA_PTR; 31 32 #define CPG_PLL1CR 0xE6150028 33 #define CPG_PLL3CR 0xE61500DC 34 35 #define TMU0_MSTP125 BIT(25) 36 #define QSPI_MSTP917 BIT(17) 37 38 struct reg_config { 39 u16 off; 40 u32 val; 41 }; 42 43 static void blanche_init_sys(void) 44 { 45 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE; 46 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE; 47 u32 cpu_type; 48 49 cpu_type = rmobile_get_cpu_type(); 50 if (cpu_type == 0x4A) { 51 writel(0x4D000000, CPG_PLL1CR); 52 writel(0x4F000000, CPG_PLL3CR); 53 } 54 55 /* Watchdog init */ 56 writel(0xA5A5A500, &rwdt->rwtcsra); 57 writel(0xA5A5A500, &swdt->swtcsra); 58 } 59 60 static void blanche_init_pfc(void) 61 { 62 static const struct reg_config pfc_with_unlock[] = { 63 { 0x0004, 0x0bffffff }, 64 { 0x0008, 0x002fffff }, 65 { 0x0014, 0x00000fff }, 66 { 0x0018, 0x00010fff }, 67 { 0x001c, 0x00010fff }, 68 { 0x0020, 0x00010fff }, 69 { 0x0024, 0x00010fff }, 70 { 0x0028, 0x00010fff }, 71 { 0x002c, 0x04006000 }, 72 { 0x0030, 0x303fefe0 }, 73 { 0x0058, 0x0002000e }, 74 }; 75 76 static const struct reg_config pfc_without_unlock[] = { 77 { 0x0108, 0x00000000 }, 78 { 0x010c, 0x0803FF40 }, 79 { 0x0110, 0x0000FFFF }, 80 { 0x0114, 0x00010FFF }, 81 { 0x011c, 0x0001AFFF }, 82 { 0x0124, 0x0001CFFF }, 83 { 0x0128, 0xC0438001 }, 84 { 0x012c, 0x0FC00007 }, 85 }; 86 87 static const u32 pfc_base = 0xe6060000; 88 89 unsigned int i; 90 91 for (i = 0; i < ARRAY_SIZE(pfc_with_unlock); i++) { 92 writel(~pfc_with_unlock[i].val, pfc_base); 93 writel(pfc_with_unlock[i].val, 94 pfc_base | pfc_with_unlock[i].off); 95 } 96 97 for (i = 0; i < ARRAY_SIZE(pfc_without_unlock); i++) 98 writel(pfc_without_unlock[i].val, 99 pfc_base | pfc_without_unlock[i].off); 100 } 101 102 static void blanche_init_lbsc(void) 103 { 104 static const struct reg_config lbsc_config[] = { 105 { 0x00, 0x00000020 }, 106 { 0x08, 0x00002020 }, 107 { 0x30, 0x2a103320 }, 108 { 0x38, 0x19102110 }, 109 }; 110 111 static const u32 lbsc_base = 0xfec00200; 112 113 unsigned int i; 114 115 for (i = 0; i < ARRAY_SIZE(lbsc_config); i++) { 116 writel(lbsc_config[i].val, 117 lbsc_base | lbsc_config[i].off); 118 writel(lbsc_config[i].val, 119 lbsc_base | (lbsc_config[i].off + 4)); 120 } 121 } 122 123 #if defined(CONFIG_MTD_NOR_FLASH) 124 static void dbsc_wait(u16 reg) 125 { 126 static const u32 dbsc3_0_base = DBSC3_0_BASE; 127 128 while (!(readl(dbsc3_0_base + reg) & BIT(0))) 129 ; 130 } 131 132 static void blanche_init_dbsc(void) 133 { 134 static const struct reg_config dbsc_config1[] = { 135 { 0x0280, 0x0000a55a }, 136 { 0x0018, 0x21000000 }, 137 { 0x0018, 0x11000000 }, 138 { 0x0018, 0x10000000 }, 139 { 0x0290, 0x00000001 }, 140 { 0x02a0, 0x80000000 }, 141 { 0x0290, 0x00000004 }, 142 }; 143 144 static const struct reg_config dbsc_config2[] = { 145 { 0x0290, 0x00000006 }, 146 { 0x02a0, 0x0001c000 }, 147 }; 148 149 static const struct reg_config dbsc_config4[] = { 150 { 0x0290, 0x0000000f }, 151 { 0x02a0, 0x00181ee4 }, 152 { 0x0290, 0x00000010 }, 153 { 0x02a0, 0xf00464db }, 154 { 0x0290, 0x00000061 }, 155 { 0x02a0, 0x0000008d }, 156 { 0x0290, 0x00000001 }, 157 { 0x02a0, 0x00000073 }, 158 { 0x0020, 0x00000007 }, 159 { 0x0024, 0x0f030a02 }, 160 { 0x0030, 0x00000001 }, 161 { 0x00b0, 0x00000000 }, 162 { 0x0040, 0x0000000b }, 163 { 0x0044, 0x00000008 }, 164 { 0x0048, 0x00000000 }, 165 { 0x0050, 0x0000000b }, 166 { 0x0054, 0x000c000b }, 167 { 0x0058, 0x00000027 }, 168 { 0x005c, 0x0000001c }, 169 { 0x0060, 0x00000006 }, 170 { 0x0064, 0x00000020 }, 171 { 0x0068, 0x00000008 }, 172 { 0x006c, 0x0000000c }, 173 { 0x0070, 0x00000009 }, 174 { 0x0074, 0x00000012 }, 175 { 0x0078, 0x000000d0 }, 176 { 0x007c, 0x00140005 }, 177 { 0x0080, 0x00050004 }, 178 { 0x0084, 0x70233005 }, 179 { 0x0088, 0x000c0000 }, 180 { 0x008c, 0x00000300 }, 181 { 0x0090, 0x00000040 }, 182 { 0x0100, 0x00000001 }, 183 { 0x00c0, 0x00020001 }, 184 { 0x00c8, 0x20082004 }, 185 { 0x0380, 0x00020002 }, 186 { 0x0390, 0x0000001f }, 187 }; 188 189 static const struct reg_config dbsc_config5[] = { 190 { 0x0244, 0x00000011 }, 191 { 0x0290, 0x00000003 }, 192 { 0x02a0, 0x0300c4e1 }, 193 { 0x0290, 0x00000023 }, 194 { 0x02a0, 0x00fcdb60 }, 195 { 0x0290, 0x00000011 }, 196 { 0x02a0, 0x1000040b }, 197 { 0x0290, 0x00000012 }, 198 { 0x02a0, 0x9d9cbb66 }, 199 { 0x0290, 0x00000013 }, 200 { 0x02a0, 0x1a868400 }, 201 { 0x0290, 0x00000014 }, 202 { 0x02a0, 0x300214d8 }, 203 { 0x0290, 0x00000015 }, 204 { 0x02a0, 0x00000d70 }, 205 { 0x0290, 0x00000016 }, 206 { 0x02a0, 0x00000004 }, 207 { 0x0290, 0x00000017 }, 208 { 0x02a0, 0x00000018 }, 209 { 0x0290, 0x0000001a }, 210 { 0x02a0, 0x910035c7 }, 211 { 0x0290, 0x00000004 }, 212 }; 213 214 static const struct reg_config dbsc_config6[] = { 215 { 0x0290, 0x00000001 }, 216 { 0x02a0, 0x00000181 }, 217 { 0x0018, 0x11000000 }, 218 { 0x0290, 0x00000004 }, 219 }; 220 221 static const struct reg_config dbsc_config7[] = { 222 { 0x0290, 0x00000001 }, 223 { 0x02a0, 0x0000fe01 }, 224 { 0x0304, 0x00000000 }, 225 { 0x00f4, 0x01004c20 }, 226 { 0x00f8, 0x014000aa }, 227 { 0x00e0, 0x00000140 }, 228 { 0x00e4, 0x00081860 }, 229 { 0x00e8, 0x00010000 }, 230 { 0x0290, 0x00000004 }, 231 }; 232 233 static const struct reg_config dbsc_config8[] = { 234 { 0x0014, 0x00000001 }, 235 { 0x0010, 0x00000001 }, 236 { 0x0280, 0x00000000 }, 237 }; 238 239 static const u32 dbsc3_0_base = DBSC3_0_BASE; 240 unsigned int i; 241 242 for (i = 0; i < ARRAY_SIZE(dbsc_config1); i++) 243 writel(dbsc_config1[i].val, dbsc3_0_base | dbsc_config1[i].off); 244 245 dbsc_wait(0x2a0); 246 247 for (i = 0; i < ARRAY_SIZE(dbsc_config2); i++) 248 writel(dbsc_config2[i].val, dbsc3_0_base | dbsc_config2[i].off); 249 250 for (i = 0; i < ARRAY_SIZE(dbsc_config4); i++) 251 writel(dbsc_config4[i].val, dbsc3_0_base | dbsc_config4[i].off); 252 253 dbsc_wait(0x240); 254 255 for (i = 0; i < ARRAY_SIZE(dbsc_config5); i++) 256 writel(dbsc_config5[i].val, dbsc3_0_base | dbsc_config5[i].off); 257 258 dbsc_wait(0x2a0); 259 260 for (i = 0; i < ARRAY_SIZE(dbsc_config6); i++) 261 writel(dbsc_config6[i].val, dbsc3_0_base | dbsc_config6[i].off); 262 263 dbsc_wait(0x2a0); 264 265 for (i = 0; i < ARRAY_SIZE(dbsc_config7); i++) 266 writel(dbsc_config7[i].val, dbsc3_0_base | dbsc_config7[i].off); 267 268 dbsc_wait(0x2a0); 269 270 for (i = 0; i < ARRAY_SIZE(dbsc_config8); i++) 271 writel(dbsc_config8[i].val, dbsc3_0_base | dbsc_config8[i].off); 272 273 } 274 275 static void s_init_wait(volatile unsigned int cnt) 276 { 277 volatile u32 i = cnt * 0x10000; 278 279 while (i-- > 0) 280 ; 281 } 282 #endif 283 284 void s_init(void) 285 { 286 blanche_init_sys(); 287 qos_init(); 288 blanche_init_pfc(); 289 blanche_init_lbsc(); 290 #if defined(CONFIG_MTD_NOR_FLASH) 291 s_init_wait(10); 292 blanche_init_dbsc(); 293 #endif /* CONFIG_MTD_NOR_FLASH */ 294 } 295 296 int board_early_init_f(void) 297 { 298 /* TMU0 */ 299 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125); 300 /* QSPI */ 301 mstp_clrbits_le32(MSTPSR9, SMSTPCR9, QSPI_MSTP917); 302 303 return 0; 304 } 305 306 int board_init(void) 307 { 308 /* adress of boot parameters */ 309 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 310 311 return 0; 312 } 313 314 /* Added for BLANCHE(R-CarV2H board) */ 315 int board_eth_init(bd_t *bis) 316 { 317 int rc = 0; 318 319 #ifdef CONFIG_SMC911X 320 struct eth_device *dev; 321 uchar eth_addr[6]; 322 323 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 324 325 if (!eth_env_get_enetaddr("ethaddr", eth_addr)) { 326 dev = eth_get_dev_by_index(0); 327 if (dev) { 328 eth_env_set_enetaddr("ethaddr", dev->enetaddr); 329 } else { 330 printf("blanche: Couldn't get eth device\n"); 331 rc = -1; 332 } 333 } 334 335 #endif 336 337 return rc; 338 } 339 340 int dram_init(void) 341 { 342 if (fdtdec_setup_memory_size() != 0) 343 return -EINVAL; 344 345 return 0; 346 } 347 348 int dram_init_banksize(void) 349 { 350 fdtdec_setup_memory_banksize(); 351 352 return 0; 353 } 354 355 void reset_cpu(ulong addr) 356 { 357 } 358