1 /* 2 * board/renesas/blanche/blanche.c 3 * This file is blanche board support. 4 * 5 * Copyright (C) 2016 Renesas Electronics Corporation 6 * 7 * SPDX-License-Identifier: GPL-2.0 8 */ 9 10 #include <common.h> 11 #include <malloc.h> 12 #include <netdev.h> 13 #include <dm.h> 14 #include <dm/platform_data/serial_sh.h> 15 #include <asm/processor.h> 16 #include <asm/mach-types.h> 17 #include <asm/io.h> 18 #include <linux/errno.h> 19 #include <asm/arch/sys_proto.h> 20 #include <asm/gpio.h> 21 #include <asm/arch/rmobile.h> 22 #include <asm/arch/rcar-mstp.h> 23 #include <asm/arch/mmc.h> 24 #include <asm/arch/sh_sdhi.h> 25 #include <miiphy.h> 26 #include <i2c.h> 27 #include <mmc.h> 28 #include "qos.h" 29 30 DECLARE_GLOBAL_DATA_PTR; 31 32 struct pin_db { 33 u32 addr; /* register address */ 34 u32 mask; /* mask value */ 35 u32 val; /* setting value */ 36 }; 37 38 #define PMMR 0xE6060000 39 #define GPSR0 0xE6060004 40 #define GPSR1 0xE6060008 41 #define GPSR4 0xE6060014 42 #define GPSR5 0xE6060018 43 #define GPSR6 0xE606001C 44 #define GPSR7 0xE6060020 45 #define GPSR8 0xE6060024 46 #define GPSR9 0xE6060028 47 #define GPSR10 0xE606002C 48 #define GPSR11 0xE6060030 49 #define IPSR6 0xE6060058 50 #define PUPR2 0xE6060108 51 #define PUPR3 0xE606010C 52 #define PUPR4 0xE6060110 53 #define PUPR5 0xE6060114 54 #define PUPR7 0xE606011C 55 #define PUPR9 0xE6060124 56 #define PUPR10 0xE6060128 57 #define PUPR11 0xE606012C 58 59 #define CPG_PLL1CR 0xE6150028 60 #define CPG_PLL3CR 0xE61500DC 61 62 #define SetREG(x) \ 63 writel((readl((x)->addr) & ~((x)->mask)) | ((x)->val), (x)->addr) 64 65 #define SetGuardREG(x) \ 66 { \ 67 u32 val; \ 68 val = (readl((x)->addr) & ~((x)->mask)) | ((x)->val); \ 69 writel(~val, PMMR); \ 70 writel(val, (x)->addr); \ 71 } 72 73 struct pin_db pin_guard[] = { 74 { GPSR0, 0xFFFFFFFF, 0x0BFFFFFF }, 75 { GPSR1, 0xFFFFFFFF, 0x002FFFFF }, 76 { GPSR4, 0xFFFFFFFF, 0x00000FFF }, 77 { GPSR5, 0xFFFFFFFF, 0x00010FFF }, 78 { GPSR6, 0xFFFFFFFF, 0x00010FFF }, 79 { GPSR7, 0xFFFFFFFF, 0x00010FFF }, 80 { GPSR8, 0xFFFFFFFF, 0x00010FFF }, 81 { GPSR9, 0xFFFFFFFF, 0x00010FFF }, 82 { GPSR10, 0xFFFFFFFF, 0x04006000 }, 83 { GPSR11, 0xFFFFFFFF, 0x303FEFE0 }, 84 { IPSR6, 0xFFFFFFFF, 0x0002000E }, 85 }; 86 87 struct pin_db pin_tbl[] = { 88 { PUPR2, 0xFFFFFFFF, 0x00000000 }, 89 { PUPR3, 0xFFFFFFFF, 0x0803FF40 }, 90 { PUPR4, 0xFFFFFFFF, 0x0000FFFF }, 91 { PUPR5, 0xFFFFFFFF, 0x00010FFF }, 92 { PUPR7, 0xFFFFFFFF, 0x0001AFFF }, 93 { PUPR9, 0xFFFFFFFF, 0x0001CFFF }, 94 { PUPR10, 0xFFFFFFFF, 0xC0438001 }, 95 { PUPR11, 0xFFFFFFFF, 0x0FC00007 }, 96 }; 97 98 void pin_init(void) 99 { 100 struct pin_db *db; 101 102 for (db = pin_guard; db < &pin_guard[sizeof(pin_guard)/sizeof(struct pin_db)]; db++) { 103 SetGuardREG(db); 104 } 105 for (db = pin_tbl; db < &pin_tbl[sizeof(pin_tbl) /sizeof(struct pin_db)]; db++) { 106 SetREG(db); 107 } 108 } 109 110 #define s_init_wait(cnt) \ 111 ({ \ 112 volatile u32 i = 0x10000 * cnt; \ 113 while (i > 0) \ 114 i--; \ 115 }) 116 117 void s_init(void) 118 { 119 struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE; 120 struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE; 121 u32 cpu_type; 122 123 cpu_type = rmobile_get_cpu_type(); 124 if (cpu_type == 0x4A) { 125 writel(0x4D000000, CPG_PLL1CR); 126 writel(0x4F000000, CPG_PLL3CR); 127 } 128 129 /* Watchdog init */ 130 writel(0xA5A5A500, &rwdt->rwtcsra); 131 writel(0xA5A5A500, &swdt->swtcsra); 132 133 /* QoS(Quality-of-Service) Init */ 134 qos_init(); 135 136 /* SCIF Init */ 137 pin_init(); 138 139 #if !defined(CONFIG_SYS_NO_FLASH) 140 struct rcar_lbsc *lbsc = (struct rcar_lbsc *)LBSC_BASE; 141 struct rcar_dbsc3 *dbsc3_0 = (struct rcar_dbsc3 *)DBSC3_0_BASE; 142 143 /* LBSC */ 144 writel(0x00000020, &lbsc->cs0ctrl); 145 writel(0x00000020, &lbsc->cs1ctrl); 146 writel(0x00002020, &lbsc->ecs0ctrl); 147 writel(0x00002020, &lbsc->ecs1ctrl); 148 149 writel(0x2A103320, &lbsc->cswcr0); 150 writel(0x2A103320, &lbsc->cswcr1); 151 writel(0x19102110, &lbsc->ecswcr0); 152 writel(0x19102110, &lbsc->ecswcr1); 153 154 /* DBSC3 */ 155 s_init_wait(10); 156 157 writel(0x0000A55A, &dbsc3_0->dbpdlck); 158 159 writel(0x21000000, &dbsc3_0->dbcmd); /* opc=RstH (RESET => H) */ 160 writel(0x11000000, &dbsc3_0->dbcmd); /* opc=PDXt(CKE=H) */ 161 writel(0x10000000, &dbsc3_0->dbcmd); /* opc=PDEn(CKE=L) */ 162 163 /* Stop Auto-Calibration */ 164 writel(0x00000001, &dbsc3_0->dbpdrga); 165 writel(0x80000000, &dbsc3_0->dbpdrgd); 166 167 writel(0x00000004, &dbsc3_0->dbpdrga); 168 while ((readl(&dbsc3_0->dbpdrgd) & 0x00000001) != 0x00000001); 169 170 /* PLLCR: PLL Control Register */ 171 writel(0x00000006, &dbsc3_0->dbpdrga); 172 writel(0x0001C000, &dbsc3_0->dbpdrgd); // > DDR1440 173 174 /* DXCCR: DATX8 Common Configuration Register */ 175 writel(0x0000000F, &dbsc3_0->dbpdrga); 176 writel(0x00181EE4, &dbsc3_0->dbpdrgd); 177 178 /* DSGCR :DDR System General Configuration Register */ 179 writel(0x00000010, &dbsc3_0->dbpdrga); 180 writel(0xF00464DB, &dbsc3_0->dbpdrgd); 181 182 writel(0x00000061, &dbsc3_0->dbpdrga); 183 writel(0x0000008D, &dbsc3_0->dbpdrgd); 184 185 /* Re-Execute ZQ calibration */ 186 writel(0x00000001, &dbsc3_0->dbpdrga); 187 writel(0x00000073, &dbsc3_0->dbpdrgd); 188 189 writel(0x00000007, &dbsc3_0->dbkind); 190 writel(0x0F030A02, &dbsc3_0->dbconf0); 191 writel(0x00000001, &dbsc3_0->dbphytype); 192 writel(0x00000000, &dbsc3_0->dbbl); 193 194 writel(0x0000000B, &dbsc3_0->dbtr0); // tCL=11 195 writel(0x00000008, &dbsc3_0->dbtr1); // tCWL=8 196 writel(0x00000000, &dbsc3_0->dbtr2); // tAL=0 197 writel(0x0000000B, &dbsc3_0->dbtr3); // tRCD=11 198 writel(0x000C000B, &dbsc3_0->dbtr4); // tRPA=12,tRP=11 199 writel(0x00000027, &dbsc3_0->dbtr5); // tRC = 39 200 writel(0x0000001C, &dbsc3_0->dbtr6); // tRAS = 28 201 writel(0x00000006, &dbsc3_0->dbtr7); // tRRD = 6 202 writel(0x00000020, &dbsc3_0->dbtr8); // tRFAW = 32 203 writel(0x00000008, &dbsc3_0->dbtr9); // tRDPR = 8 204 writel(0x0000000C, &dbsc3_0->dbtr10); // tWR = 12 205 writel(0x00000009, &dbsc3_0->dbtr11); // tRDWR = 9 206 writel(0x00000012, &dbsc3_0->dbtr12); // tWRRD = 18 207 writel(0x000000D0, &dbsc3_0->dbtr13); // tRFC = 208 208 writel(0x00140005, &dbsc3_0->dbtr14); 209 writel(0x00050004, &dbsc3_0->dbtr15); 210 writel(0x70233005, &dbsc3_0->dbtr16); /* DQL = 35, WDQL = 5 */ 211 writel(0x000C0000, &dbsc3_0->dbtr17); 212 writel(0x00000300, &dbsc3_0->dbtr18); 213 writel(0x00000040, &dbsc3_0->dbtr19); 214 writel(0x00000001, &dbsc3_0->dbrnk0); 215 writel(0x00020001, &dbsc3_0->dbadj0); 216 writel(0x20082004, &dbsc3_0->dbadj2); /* blanche QoS rev0.1 */ 217 writel(0x00020002, &dbsc3_0->dbwt0cnf0); /* 1600 */ 218 writel(0x0000001F, &dbsc3_0->dbwt0cnf4); 219 220 while ((readl(&dbsc3_0->dbdfistat) & 0x00000001) != 0x00000001); 221 writel(0x00000011, &dbsc3_0->dbdficnt); 222 223 /* PGCR1 :PHY General Configuration Register 1 */ 224 writel(0x00000003, &dbsc3_0->dbpdrga); 225 writel(0x0300C4E1, &dbsc3_0->dbpdrgd); /* DDR3 */ 226 227 /* PGCR2: PHY General Configuration Registers 2 */ 228 writel(0x00000023, &dbsc3_0->dbpdrga); 229 writel(0x00FCDB60, &dbsc3_0->dbpdrgd); 230 231 writel(0x00000011, &dbsc3_0->dbpdrga); 232 writel(0x1000040B, &dbsc3_0->dbpdrgd); 233 234 /* DTPR0 :DRAM Timing Parameters Register 0 */ 235 writel(0x00000012, &dbsc3_0->dbpdrga); 236 writel(0x9D9CBB66, &dbsc3_0->dbpdrgd); 237 238 /* DTPR1 :DRAM Timing Parameters Register 1 */ 239 writel(0x00000013, &dbsc3_0->dbpdrga); 240 writel(0x1A868400, &dbsc3_0->dbpdrgd); 241 242 /* DTPR2 ::DRAM Timing Parameters Register 2 */ 243 writel(0x00000014, &dbsc3_0->dbpdrga); 244 writel(0x300214D8, &dbsc3_0->dbpdrgd); 245 246 /* MR0 :Mode Register 0 */ 247 writel(0x00000015, &dbsc3_0->dbpdrga); 248 writel(0x00000D70, &dbsc3_0->dbpdrgd); 249 250 /* MR1 :Mode Register 1 */ 251 writel(0x00000016, &dbsc3_0->dbpdrga); 252 writel(0x00000004, &dbsc3_0->dbpdrgd); /* DRAM Drv 40ohm */ 253 254 /* MR2 :Mode Register 2 */ 255 writel(0x00000017, &dbsc3_0->dbpdrga); 256 writel(0x00000018, &dbsc3_0->dbpdrgd); /* CWL=8 */ 257 258 /* VREF(ZQCAL) */ 259 writel(0x0000001A, &dbsc3_0->dbpdrga); 260 writel(0x910035C7, &dbsc3_0->dbpdrgd); 261 262 /* PGSR0 :PHY General Status Registers 0 */ 263 writel(0x00000004, &dbsc3_0->dbpdrga); 264 while ((readl(&dbsc3_0->dbpdrgd) & 0x00000001) != 0x00000001); 265 266 /* DRAM Init (set MRx etc) */ 267 writel(0x00000001, &dbsc3_0->dbpdrga); 268 writel(0x00000181, &dbsc3_0->dbpdrgd); 269 270 /* CKE = H */ 271 writel(0x11000000, &dbsc3_0->dbcmd); /* opc=PDXt(CKE=H) */ 272 273 /* PGSR0 :PHY General Status Registers 0 */ 274 writel(0x00000004, &dbsc3_0->dbpdrga); 275 while ((readl(&dbsc3_0->dbpdrgd) & 0x00000001) != 0x00000001); 276 277 /* RAM ACC Training */ 278 writel(0x00000001, &dbsc3_0->dbpdrga); 279 writel(0x0000FE01, &dbsc3_0->dbpdrgd); 280 281 /* Bus control 0 */ 282 writel(0x00000000, &dbsc3_0->dbbs0cnt1); 283 /* DDR3 Calibration set */ 284 writel(0x01004C20, &dbsc3_0->dbcalcnf); 285 /* DDR3 Calibration timing */ 286 writel(0x014000AA, &dbsc3_0->dbcaltr); 287 /* Refresh */ 288 writel(0x00000140, &dbsc3_0->dbrfcnf0); 289 writel(0x00081860, &dbsc3_0->dbrfcnf1); 290 writel(0x00010000, &dbsc3_0->dbrfcnf2); 291 292 /* PGSR0 :PHY General Status Registers 0 */ 293 writel(0x00000004, &dbsc3_0->dbpdrga); 294 while ((readl(&dbsc3_0->dbpdrgd) & 0x00000001) != 0x00000001); 295 296 /* Enable Auto-Refresh */ 297 writel(0x00000001, &dbsc3_0->dbrfen); 298 /* Permit DDR-Access */ 299 writel(0x00000001, &dbsc3_0->dbacen); 300 301 /* This locks the access to the PHY unit registers */ 302 writel(0x00000000, &dbsc3_0->dbpdlck); 303 #endif /* CONFIG_SYS_NO_FLASH */ 304 305 } 306 307 #define TMU0_MSTP125 (1 << 25) 308 #define SCIF0_MSTP721 (1 << 21) 309 #define SDHI0_MSTP314 (1 << 14) 310 #define QSPI_MSTP917 (1 << 17) 311 312 int board_early_init_f(void) 313 { 314 /* TMU0 */ 315 mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125); 316 /* SCIF0 */ 317 mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721); 318 /* SDHI0 */ 319 mstp_clrbits_le32(MSTPSR3, SMSTPCR3, SDHI0_MSTP314); 320 /* QSPI */ 321 mstp_clrbits_le32(MSTPSR9, SMSTPCR9, QSPI_MSTP917); 322 323 return 0; 324 } 325 326 DECLARE_GLOBAL_DATA_PTR; 327 int board_init(void) 328 { 329 /* adress of boot parameters */ 330 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 331 332 /* Init PFC controller */ 333 r8a7792_pinmux_init(); 334 335 gpio_request(GPIO_FN_D0, NULL); 336 gpio_request(GPIO_FN_D1, NULL); 337 gpio_request(GPIO_FN_D2, NULL); 338 gpio_request(GPIO_FN_D3, NULL); 339 gpio_request(GPIO_FN_D4, NULL); 340 gpio_request(GPIO_FN_D5, NULL); 341 gpio_request(GPIO_FN_D6, NULL); 342 gpio_request(GPIO_FN_D7, NULL); 343 gpio_request(GPIO_FN_D8, NULL); 344 gpio_request(GPIO_FN_D9, NULL); 345 gpio_request(GPIO_FN_D10, NULL); 346 gpio_request(GPIO_FN_D11, NULL); 347 gpio_request(GPIO_FN_D12, NULL); 348 gpio_request(GPIO_FN_D13, NULL); 349 gpio_request(GPIO_FN_D14, NULL); 350 gpio_request(GPIO_FN_D15, NULL); 351 gpio_request(GPIO_FN_A0, NULL); 352 gpio_request(GPIO_FN_A1, NULL); 353 gpio_request(GPIO_FN_A2, NULL); 354 gpio_request(GPIO_FN_A3, NULL); 355 gpio_request(GPIO_FN_A4, NULL); 356 gpio_request(GPIO_FN_A5, NULL); 357 gpio_request(GPIO_FN_A6, NULL); 358 gpio_request(GPIO_FN_A7, NULL); 359 gpio_request(GPIO_FN_A8, NULL); 360 gpio_request(GPIO_FN_A9, NULL); 361 gpio_request(GPIO_FN_A10, NULL); 362 gpio_request(GPIO_FN_A11, NULL); 363 gpio_request(GPIO_FN_A12, NULL); 364 gpio_request(GPIO_FN_A13, NULL); 365 gpio_request(GPIO_FN_A14, NULL); 366 gpio_request(GPIO_FN_A15, NULL); 367 gpio_request(GPIO_FN_A16, NULL); 368 gpio_request(GPIO_FN_A17, NULL); 369 gpio_request(GPIO_FN_A18, NULL); 370 gpio_request(GPIO_FN_A19, NULL); 371 #if defined(CONFIG_SYS_NO_FLASH) 372 gpio_request(GPIO_FN_MOSI_IO0, NULL); 373 gpio_request(GPIO_FN_MISO_IO1, NULL); 374 gpio_request(GPIO_FN_IO2, NULL); 375 gpio_request(GPIO_FN_IO3, NULL); 376 gpio_request(GPIO_FN_SPCLK, NULL); 377 gpio_request(GPIO_FN_SSL, NULL); 378 #else /* CONFIG_SYS_NO_FLASH */ 379 gpio_request(GPIO_FN_A20, NULL); 380 gpio_request(GPIO_FN_A21, NULL); 381 gpio_request(GPIO_FN_A22, NULL); 382 gpio_request(GPIO_FN_A23, NULL); 383 gpio_request(GPIO_FN_A24, NULL); 384 gpio_request(GPIO_FN_A25, NULL); 385 #endif /* CONFIG_SYS_NO_FLASH */ 386 387 gpio_request(GPIO_FN_CS1_A26, NULL); 388 gpio_request(GPIO_FN_EX_CS0, NULL); 389 gpio_request(GPIO_FN_EX_CS1, NULL); 390 gpio_request(GPIO_FN_BS, NULL); 391 gpio_request(GPIO_FN_RD, NULL); 392 gpio_request(GPIO_FN_WE0, NULL); 393 gpio_request(GPIO_FN_WE1, NULL); 394 gpio_request(GPIO_FN_EX_WAIT0, NULL); 395 gpio_request(GPIO_FN_IRQ0, NULL); 396 gpio_request(GPIO_FN_IRQ2, NULL); 397 gpio_request(GPIO_FN_IRQ3, NULL); 398 gpio_request(GPIO_FN_CS0, NULL); 399 400 /* Init timer */ 401 timer_init(); 402 403 return 0; 404 } 405 406 /* 407 Added for BLANCHE(R-CarV2H board) 408 */ 409 int board_eth_init(bd_t *bis) 410 { 411 int rc = 0; 412 413 #ifdef CONFIG_SMC911X 414 #define STR_ENV_ETHADDR "ethaddr" 415 416 struct eth_device *dev; 417 uchar eth_addr[6]; 418 419 rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); 420 421 if (!eth_getenv_enetaddr(STR_ENV_ETHADDR, eth_addr)) { 422 dev = eth_get_dev_by_index(0); 423 if (dev) { 424 eth_setenv_enetaddr(STR_ENV_ETHADDR, dev->enetaddr); 425 } else { 426 printf("blanche: Couldn't get eth device\n"); 427 rc = -1; 428 } 429 } 430 431 #endif 432 433 return rc; 434 } 435 436 int board_mmc_init(bd_t *bis) 437 { 438 int ret = -ENODEV; 439 440 #ifdef CONFIG_SH_SDHI 441 gpio_request(GPIO_FN_SD0_DAT0, NULL); 442 gpio_request(GPIO_FN_SD0_DAT1, NULL); 443 gpio_request(GPIO_FN_SD0_DAT2, NULL); 444 gpio_request(GPIO_FN_SD0_DAT3, NULL); 445 gpio_request(GPIO_FN_SD0_CLK, NULL); 446 gpio_request(GPIO_FN_SD0_CMD, NULL); 447 gpio_request(GPIO_FN_SD0_CD, NULL); 448 449 gpio_request(GPIO_GP_11_12, NULL); 450 gpio_direction_output(GPIO_GP_11_12, 1); /* power on */ 451 452 453 ret = sh_sdhi_init(CONFIG_SYS_SH_SDHI0_BASE, 0, 454 SH_SDHI_QUIRK_16BIT_BUF); 455 456 if (ret) 457 return ret; 458 #endif 459 return ret; 460 } 461 462 int dram_init(void) 463 { 464 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; 465 gd->ram_size = CONFIG_SYS_SDRAM_SIZE; 466 467 return 0; 468 } 469 470 const struct rmobile_sysinfo sysinfo = { 471 CONFIG_RMOBILE_BOARD_STRING 472 }; 473 474 void reset_cpu(ulong addr) 475 { 476 } 477 478 static const struct sh_serial_platdata serial_platdata = { 479 .base = SCIF0_BASE, 480 .type = PORT_SCIF, 481 .clk = 14745600, 482 .clk_mode = EXT_CLK, 483 }; 484 485 U_BOOT_DEVICE(blanche_serials) = { 486 .name = "serial_sh", 487 .platdata = &serial_platdata, 488 }; 489