1 /* 2 * Copyright 2014 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <i2c.h> 9 #include <asm/io.h> 10 #include <asm/arch/immap_ls102xa.h> 11 #include <asm/arch/clock.h> 12 #include <asm/arch/fsl_serdes.h> 13 #include <asm/arch/ls102xa_soc.h> 14 #include <asm/arch/ls102xa_devdis.h> 15 #include <asm/arch/ls102xa_sata.h> 16 #include <hwconfig.h> 17 #include <mmc.h> 18 #include <fsl_csu.h> 19 #include <fsl_esdhc.h> 20 #include <fsl_ifc.h> 21 #include <fsl_sec.h> 22 #include <spl.h> 23 #include <fsl_devdis.h> 24 #include <fsl_validate.h> 25 26 #include "../common/sleep.h" 27 #include "../common/qixis.h" 28 #include "ls1021aqds_qixis.h" 29 #ifdef CONFIG_U_QE 30 #include <fsl_qe.h> 31 #endif 32 33 #define PIN_MUX_SEL_CAN 0x03 34 #define PIN_MUX_SEL_IIC2 0xa0 35 #define PIN_MUX_SEL_RGMII 0x00 36 #define PIN_MUX_SEL_SAI 0x0c 37 #define PIN_MUX_SEL_SDHC 0x00 38 39 #define SET_SDHC_MUX_SEL(reg, value) ((reg & 0x0f) | value) 40 #define SET_EC_MUX_SEL(reg, value) ((reg & 0xf0) | value) 41 DECLARE_GLOBAL_DATA_PTR; 42 43 enum { 44 MUX_TYPE_CAN, 45 MUX_TYPE_IIC2, 46 MUX_TYPE_RGMII, 47 MUX_TYPE_SAI, 48 MUX_TYPE_SDHC, 49 MUX_TYPE_SD_PCI4, 50 MUX_TYPE_SD_PC_SA_SG_SG, 51 MUX_TYPE_SD_PC_SA_PC_SG, 52 MUX_TYPE_SD_PC_SG_SG, 53 }; 54 55 enum { 56 GE0_CLK125, 57 GE2_CLK125, 58 GE1_CLK125, 59 }; 60 61 int checkboard(void) 62 { 63 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) 64 char buf[64]; 65 #endif 66 #if !defined(CONFIG_SD_BOOT) && !defined(CONFIG_QSPI_BOOT) 67 u8 sw; 68 #endif 69 70 puts("Board: LS1021AQDS\n"); 71 72 #ifdef CONFIG_SD_BOOT 73 puts("SD\n"); 74 #elif CONFIG_QSPI_BOOT 75 puts("QSPI\n"); 76 #else 77 sw = QIXIS_READ(brdcfg[0]); 78 sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT; 79 80 if (sw < 0x8) 81 printf("vBank: %d\n", sw); 82 else if (sw == 0x8) 83 puts("PromJet\n"); 84 else if (sw == 0x9) 85 puts("NAND\n"); 86 else if (sw == 0x15) 87 printf("IFCCard\n"); 88 else 89 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH); 90 #endif 91 92 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) 93 printf("Sys ID:0x%02x, Sys Ver: 0x%02x\n", 94 QIXIS_READ(id), QIXIS_READ(arch)); 95 96 printf("FPGA: v%d (%s), build %d\n", 97 (int)QIXIS_READ(scver), qixis_read_tag(buf), 98 (int)qixis_read_minor()); 99 #endif 100 101 return 0; 102 } 103 104 unsigned long get_board_sys_clk(void) 105 { 106 u8 sysclk_conf = QIXIS_READ(brdcfg[1]); 107 108 switch (sysclk_conf & 0x0f) { 109 case QIXIS_SYSCLK_64: 110 return 64000000; 111 case QIXIS_SYSCLK_83: 112 return 83333333; 113 case QIXIS_SYSCLK_100: 114 return 100000000; 115 case QIXIS_SYSCLK_125: 116 return 125000000; 117 case QIXIS_SYSCLK_133: 118 return 133333333; 119 case QIXIS_SYSCLK_150: 120 return 150000000; 121 case QIXIS_SYSCLK_160: 122 return 160000000; 123 case QIXIS_SYSCLK_166: 124 return 166666666; 125 } 126 return 66666666; 127 } 128 129 unsigned long get_board_ddr_clk(void) 130 { 131 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]); 132 133 switch ((ddrclk_conf & 0x30) >> 4) { 134 case QIXIS_DDRCLK_100: 135 return 100000000; 136 case QIXIS_DDRCLK_125: 137 return 125000000; 138 case QIXIS_DDRCLK_133: 139 return 133333333; 140 } 141 return 66666666; 142 } 143 144 int select_i2c_ch_pca9547(u8 ch) 145 { 146 int ret; 147 148 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1); 149 if (ret) { 150 puts("PCA: failed to select proper channel\n"); 151 return ret; 152 } 153 154 return 0; 155 } 156 157 int dram_init(void) 158 { 159 /* 160 * When resuming from deep sleep, the I2C channel may not be 161 * in the default channel. So, switch to the default channel 162 * before accessing DDR SPD. 163 */ 164 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); 165 gd->ram_size = initdram(0); 166 167 return 0; 168 } 169 170 #ifdef CONFIG_FSL_ESDHC 171 struct fsl_esdhc_cfg esdhc_cfg[1] = { 172 {CONFIG_SYS_FSL_ESDHC_ADDR}, 173 }; 174 175 int board_mmc_init(bd_t *bis) 176 { 177 esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); 178 179 return fsl_esdhc_initialize(bis, &esdhc_cfg[0]); 180 } 181 #endif 182 183 int board_early_init_f(void) 184 { 185 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; 186 187 #ifdef CONFIG_TSEC_ENET 188 /* clear BD & FR bits for BE BD's and frame data */ 189 clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR); 190 #endif 191 192 #ifdef CONFIG_FSL_IFC 193 init_early_memctl_regs(); 194 #endif 195 196 arch_soc_init(); 197 198 #if defined(CONFIG_DEEP_SLEEP) 199 if (is_warm_boot()) 200 fsl_dp_disable_console(); 201 #endif 202 203 return 0; 204 } 205 206 #ifdef CONFIG_SPL_BUILD 207 void board_init_f(ulong dummy) 208 { 209 struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; 210 unsigned int major; 211 212 #ifdef CONFIG_NAND_BOOT 213 struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR; 214 u32 porsr1, pinctl; 215 216 /* 217 * There is LS1 SoC issue where NOR, FPGA are inaccessible during 218 * NAND boot because IFC signals > IFC_AD7 are not enabled. 219 * This workaround changes RCW source to make all signals enabled. 220 */ 221 porsr1 = in_be32(&gur->porsr1); 222 pinctl = ((porsr1 & ~(DCFG_CCSR_PORSR1_RCW_MASK)) | 223 DCFG_CCSR_PORSR1_RCW_SRC_I2C); 224 out_be32((unsigned int *)(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_PORCR1), 225 pinctl); 226 #endif 227 228 /* Clear the BSS */ 229 memset(__bss_start, 0, __bss_end - __bss_start); 230 231 #ifdef CONFIG_FSL_IFC 232 init_early_memctl_regs(); 233 #endif 234 235 get_clocks(); 236 237 #if defined(CONFIG_DEEP_SLEEP) 238 if (is_warm_boot()) 239 fsl_dp_disable_console(); 240 #endif 241 242 preloader_console_init(); 243 244 #ifdef CONFIG_SPL_I2C_SUPPORT 245 i2c_init_all(); 246 #endif 247 248 major = get_soc_major_rev(); 249 if (major == SOC_MAJOR_VER_1_0) 250 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER); 251 252 dram_init(); 253 254 /* Allow OCRAM access permission as R/W */ 255 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS 256 enable_layerscape_ns_access(); 257 #endif 258 259 board_init_r(NULL, 0); 260 } 261 #endif 262 263 void config_etseccm_source(int etsec_gtx_125_mux) 264 { 265 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; 266 267 switch (etsec_gtx_125_mux) { 268 case GE0_CLK125: 269 out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE0_CLK125); 270 debug("etseccm set to GE0_CLK125\n"); 271 break; 272 273 case GE2_CLK125: 274 out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125); 275 debug("etseccm set to GE2_CLK125\n"); 276 break; 277 278 case GE1_CLK125: 279 out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE1_CLK125); 280 debug("etseccm set to GE1_CLK125\n"); 281 break; 282 283 default: 284 printf("Error! trying to set etseccm to invalid value\n"); 285 break; 286 } 287 } 288 289 int config_board_mux(int ctrl_type) 290 { 291 u8 reg12, reg14; 292 293 reg12 = QIXIS_READ(brdcfg[12]); 294 reg14 = QIXIS_READ(brdcfg[14]); 295 296 switch (ctrl_type) { 297 case MUX_TYPE_CAN: 298 config_etseccm_source(GE2_CLK125); 299 reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_CAN); 300 break; 301 case MUX_TYPE_IIC2: 302 reg14 = SET_SDHC_MUX_SEL(reg14, PIN_MUX_SEL_IIC2); 303 break; 304 case MUX_TYPE_RGMII: 305 reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_RGMII); 306 break; 307 case MUX_TYPE_SAI: 308 config_etseccm_source(GE2_CLK125); 309 reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_SAI); 310 break; 311 case MUX_TYPE_SDHC: 312 reg14 = SET_SDHC_MUX_SEL(reg14, PIN_MUX_SEL_SDHC); 313 break; 314 case MUX_TYPE_SD_PCI4: 315 reg12 = 0x38; 316 break; 317 case MUX_TYPE_SD_PC_SA_SG_SG: 318 reg12 = 0x01; 319 break; 320 case MUX_TYPE_SD_PC_SA_PC_SG: 321 reg12 = 0x01; 322 break; 323 case MUX_TYPE_SD_PC_SG_SG: 324 reg12 = 0x21; 325 break; 326 default: 327 printf("Wrong mux interface type\n"); 328 return -1; 329 } 330 331 QIXIS_WRITE(brdcfg[12], reg12); 332 QIXIS_WRITE(brdcfg[14], reg14); 333 334 return 0; 335 } 336 337 int config_serdes_mux(void) 338 { 339 struct ccsr_gur *gur = (struct ccsr_gur *)CONFIG_SYS_FSL_GUTS_ADDR; 340 u32 cfg; 341 342 cfg = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK; 343 cfg >>= RCWSR4_SRDS1_PRTCL_SHIFT; 344 345 switch (cfg) { 346 case 0x0: 347 config_board_mux(MUX_TYPE_SD_PCI4); 348 break; 349 case 0x30: 350 config_board_mux(MUX_TYPE_SD_PC_SA_SG_SG); 351 break; 352 case 0x60: 353 config_board_mux(MUX_TYPE_SD_PC_SG_SG); 354 break; 355 case 0x70: 356 config_board_mux(MUX_TYPE_SD_PC_SA_PC_SG); 357 break; 358 default: 359 printf("SRDS1 prtcl:0x%x\n", cfg); 360 break; 361 } 362 363 return 0; 364 } 365 366 #ifdef CONFIG_BOARD_LATE_INIT 367 int board_late_init(void) 368 { 369 #ifdef CONFIG_SCSI_AHCI_PLAT 370 ls1021a_sata_init(); 371 #endif 372 #ifdef CONFIG_CHAIN_OF_TRUST 373 fsl_setenv_chain_of_trust(); 374 #endif 375 376 return 0; 377 } 378 #endif 379 380 int misc_init_r(void) 381 { 382 int conflict_flag; 383 384 /* some signals can not enable simultaneous*/ 385 conflict_flag = 0; 386 if (hwconfig("sdhc")) 387 conflict_flag++; 388 if (hwconfig("iic2")) 389 conflict_flag++; 390 if (conflict_flag > 1) { 391 printf("WARNING: pin conflict !\n"); 392 return 0; 393 } 394 395 conflict_flag = 0; 396 if (hwconfig("rgmii")) 397 conflict_flag++; 398 if (hwconfig("can")) 399 conflict_flag++; 400 if (hwconfig("sai")) 401 conflict_flag++; 402 if (conflict_flag > 1) { 403 printf("WARNING: pin conflict !\n"); 404 return 0; 405 } 406 407 if (hwconfig("can")) 408 config_board_mux(MUX_TYPE_CAN); 409 else if (hwconfig("rgmii")) 410 config_board_mux(MUX_TYPE_RGMII); 411 else if (hwconfig("sai")) 412 config_board_mux(MUX_TYPE_SAI); 413 414 if (hwconfig("iic2")) 415 config_board_mux(MUX_TYPE_IIC2); 416 else if (hwconfig("sdhc")) 417 config_board_mux(MUX_TYPE_SDHC); 418 419 #ifdef CONFIG_FSL_DEVICE_DISABLE 420 device_disable(devdis_tbl, ARRAY_SIZE(devdis_tbl)); 421 #endif 422 #ifdef CONFIG_FSL_CAAM 423 return sec_init(); 424 #endif 425 return 0; 426 } 427 428 int board_init(void) 429 { 430 struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; 431 unsigned int major; 432 433 major = get_soc_major_rev(); 434 if (major == SOC_MAJOR_VER_1_0) { 435 /* Set CCI-400 control override register to 436 * enable barrier transaction */ 437 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER); 438 } 439 440 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); 441 442 #ifndef CONFIG_SYS_FSL_NO_SERDES 443 fsl_serdes_init(); 444 config_serdes_mux(); 445 #endif 446 447 ls102xa_smmu_stream_id_init(); 448 449 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS 450 enable_layerscape_ns_access(); 451 #endif 452 453 #ifdef CONFIG_U_QE 454 u_qe_init(); 455 #endif 456 457 return 0; 458 } 459 460 #if defined(CONFIG_DEEP_SLEEP) 461 void board_sleep_prepare(void) 462 { 463 struct ccsr_cci400 __iomem *cci = (void *)CONFIG_SYS_CCI400_ADDR; 464 unsigned int major; 465 466 major = get_soc_major_rev(); 467 if (major == SOC_MAJOR_VER_1_0) { 468 /* Set CCI-400 control override register to 469 * enable barrier transaction */ 470 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER); 471 } 472 473 474 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS 475 enable_layerscape_ns_access(); 476 #endif 477 } 478 #endif 479 480 int ft_board_setup(void *blob, bd_t *bd) 481 { 482 ft_cpu_setup(blob, bd); 483 484 #ifdef CONFIG_PCI 485 ft_pci_setup(blob, bd); 486 #endif 487 488 return 0; 489 } 490 491 u8 flash_read8(void *addr) 492 { 493 return __raw_readb(addr + 1); 494 } 495 496 void flash_write16(u16 val, void *addr) 497 { 498 u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00)); 499 500 __raw_writew(shftval, addr); 501 } 502 503 u16 flash_read16(void *addr) 504 { 505 u16 val = __raw_readw(addr); 506 507 return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00); 508 } 509