1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2017 NXP Semiconductors 4 * Copyright 2015 Freescale Semiconductor 5 */ 6 #include <common.h> 7 #include <malloc.h> 8 #include <errno.h> 9 #include <netdev.h> 10 #include <fsl_ifc.h> 11 #include <fsl_ddr.h> 12 #include <asm/io.h> 13 #include <hwconfig.h> 14 #include <fdt_support.h> 15 #include <linux/libfdt.h> 16 #include <fsl-mc/fsl_mc.h> 17 #include <environment.h> 18 #include <efi_loader.h> 19 #include <i2c.h> 20 #include <asm/arch/mmu.h> 21 #include <asm/arch/soc.h> 22 #include <asm/arch/ppa.h> 23 #include <fsl_sec.h> 24 25 #ifdef CONFIG_FSL_QIXIS 26 #include "../common/qixis.h" 27 #include "ls2080ardb_qixis.h" 28 #endif 29 #include "../common/vid.h" 30 31 #define PIN_MUX_SEL_SDHC 0x00 32 #define PIN_MUX_SEL_DSPI 0x0a 33 34 #define SET_SDHC_MUX_SEL(reg, value) ((reg & 0xf0) | value) 35 DECLARE_GLOBAL_DATA_PTR; 36 37 enum { 38 MUX_TYPE_SDHC, 39 MUX_TYPE_DSPI, 40 }; 41 42 unsigned long long get_qixis_addr(void) 43 { 44 unsigned long long addr; 45 46 if (gd->flags & GD_FLG_RELOC) 47 addr = QIXIS_BASE_PHYS; 48 else 49 addr = QIXIS_BASE_PHYS_EARLY; 50 51 /* 52 * IFC address under 256MB is mapped to 0x30000000, any address above 53 * is mapped to 0x5_10000000 up to 4GB. 54 */ 55 addr = addr > 0x10000000 ? addr + 0x500000000ULL : addr + 0x30000000; 56 57 return addr; 58 } 59 60 int checkboard(void) 61 { 62 #ifdef CONFIG_FSL_QIXIS 63 u8 sw; 64 #endif 65 char buf[15]; 66 67 cpu_name(buf); 68 printf("Board: %s-RDB, ", buf); 69 70 #ifdef CONFIG_TARGET_LS2081ARDB 71 #ifdef CONFIG_FSL_QIXIS 72 sw = QIXIS_READ(arch); 73 printf("Board version: %c, ", (sw & 0xf) + 'A'); 74 75 sw = QIXIS_READ(brdcfg[0]); 76 sw = (sw >> QIXIS_QMAP_SHIFT) & QIXIS_QMAP_MASK; 77 switch (sw) { 78 case 0: 79 puts("boot from QSPI DEV#0\n"); 80 puts("QSPI_CSA_1 mapped to QSPI DEV#1\n"); 81 break; 82 case 1: 83 puts("boot from QSPI DEV#1\n"); 84 puts("QSPI_CSA_1 mapped to QSPI DEV#0\n"); 85 break; 86 case 2: 87 puts("boot from QSPI EMU\n"); 88 puts("QSPI_CSA_1 mapped to QSPI DEV#0\n"); 89 break; 90 case 3: 91 puts("boot from QSPI EMU\n"); 92 puts("QSPI_CSA_1 mapped to QSPI DEV#1\n"); 93 break; 94 case 4: 95 puts("boot from QSPI DEV#0\n"); 96 puts("QSPI_CSA_1 mapped to QSPI EMU\n"); 97 break; 98 default: 99 printf("invalid setting of SW%u\n", sw); 100 break; 101 } 102 printf("FPGA: v%d.%d\n", QIXIS_READ(scver), QIXIS_READ(tagdata)); 103 #endif 104 puts("SERDES1 Reference : "); 105 printf("Clock1 = 100MHz "); 106 printf("Clock2 = 161.13MHz"); 107 #else 108 #ifdef CONFIG_FSL_QIXIS 109 sw = QIXIS_READ(arch); 110 printf("Board Arch: V%d, ", sw >> 4); 111 printf("Board version: %c, boot from ", (sw & 0xf) + 'A'); 112 113 sw = QIXIS_READ(brdcfg[0]); 114 sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT; 115 116 if (sw < 0x8) 117 printf("vBank: %d\n", sw); 118 else if (sw == 0x9) 119 puts("NAND\n"); 120 else 121 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH); 122 123 printf("FPGA: v%d.%d\n", QIXIS_READ(scver), QIXIS_READ(tagdata)); 124 #endif 125 puts("SERDES1 Reference : "); 126 printf("Clock1 = 156.25MHz "); 127 printf("Clock2 = 156.25MHz"); 128 #endif 129 130 puts("\nSERDES2 Reference : "); 131 printf("Clock1 = 100MHz "); 132 printf("Clock2 = 100MHz\n"); 133 134 return 0; 135 } 136 137 unsigned long get_board_sys_clk(void) 138 { 139 #ifdef CONFIG_FSL_QIXIS 140 u8 sysclk_conf = QIXIS_READ(brdcfg[1]); 141 142 switch (sysclk_conf & 0x0F) { 143 case QIXIS_SYSCLK_83: 144 return 83333333; 145 case QIXIS_SYSCLK_100: 146 return 100000000; 147 case QIXIS_SYSCLK_125: 148 return 125000000; 149 case QIXIS_SYSCLK_133: 150 return 133333333; 151 case QIXIS_SYSCLK_150: 152 return 150000000; 153 case QIXIS_SYSCLK_160: 154 return 160000000; 155 case QIXIS_SYSCLK_166: 156 return 166666666; 157 } 158 #endif 159 return 100000000; 160 } 161 162 int select_i2c_ch_pca9547(u8 ch) 163 { 164 int ret; 165 166 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1); 167 if (ret) { 168 puts("PCA: failed to select proper channel\n"); 169 return ret; 170 } 171 172 return 0; 173 } 174 175 int i2c_multiplexer_select_vid_channel(u8 channel) 176 { 177 return select_i2c_ch_pca9547(channel); 178 } 179 180 int config_board_mux(int ctrl_type) 181 { 182 #ifdef CONFIG_FSL_QIXIS 183 u8 reg5; 184 185 reg5 = QIXIS_READ(brdcfg[5]); 186 187 switch (ctrl_type) { 188 case MUX_TYPE_SDHC: 189 reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_SDHC); 190 break; 191 case MUX_TYPE_DSPI: 192 reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_DSPI); 193 break; 194 default: 195 printf("Wrong mux interface type\n"); 196 return -1; 197 } 198 199 QIXIS_WRITE(brdcfg[5], reg5); 200 #endif 201 return 0; 202 } 203 204 int board_init(void) 205 { 206 #ifdef CONFIG_FSL_MC_ENET 207 u32 __iomem *irq_ccsr = (u32 __iomem *)ISC_BASE; 208 #endif 209 210 init_final_memctl_regs(); 211 212 #ifdef CONFIG_ENV_IS_NOWHERE 213 gd->env_addr = (ulong)&default_environment[0]; 214 #endif 215 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); 216 217 #ifdef CONFIG_FSL_QIXIS 218 QIXIS_WRITE(rst_ctl, QIXIS_RST_CTL_RESET_EN); 219 #endif 220 221 #ifdef CONFIG_FSL_CAAM 222 sec_init(); 223 #endif 224 #ifdef CONFIG_FSL_LS_PPA 225 ppa_init(); 226 #endif 227 228 #ifdef CONFIG_FSL_MC_ENET 229 /* invert AQR405 IRQ pins polarity */ 230 out_le32(irq_ccsr + IRQCR_OFFSET / 4, AQR405_IRQ_MASK); 231 #endif 232 #ifdef CONFIG_FSL_CAAM 233 sec_init(); 234 #endif 235 236 return 0; 237 } 238 239 int board_early_init_f(void) 240 { 241 #ifdef CONFIG_SYS_I2C_EARLY_INIT 242 i2c_early_init_f(); 243 #endif 244 fsl_lsch3_early_init_f(); 245 return 0; 246 } 247 248 int misc_init_r(void) 249 { 250 char *env_hwconfig; 251 u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE; 252 u32 val; 253 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); 254 u32 svr = gur_in32(&gur->svr); 255 256 val = in_le32(dcfg_ccsr + DCFG_RCWSR13 / 4); 257 258 env_hwconfig = env_get("hwconfig"); 259 260 if (hwconfig_f("dspi", env_hwconfig) && 261 DCFG_RCWSR13_DSPI == (val & (u32)(0xf << 8))) 262 config_board_mux(MUX_TYPE_DSPI); 263 else 264 config_board_mux(MUX_TYPE_SDHC); 265 266 /* 267 * LS2081ARDB RevF board has smart voltage translator 268 * which needs to be programmed to enable high speed SD interface 269 * by setting GPIO4_10 output to zero 270 */ 271 #ifdef CONFIG_TARGET_LS2081ARDB 272 out_le32(GPIO4_GPDIR_ADDR, (1 << 21 | 273 in_le32(GPIO4_GPDIR_ADDR))); 274 out_le32(GPIO4_GPDAT_ADDR, (~(1 << 21) & 275 in_le32(GPIO4_GPDAT_ADDR))); 276 #endif 277 if (hwconfig("sdhc")) 278 config_board_mux(MUX_TYPE_SDHC); 279 280 if (adjust_vdd(0)) 281 printf("Warning: Adjusting core voltage failed.\n"); 282 /* 283 * Default value of board env is based on filename which is 284 * ls2080ardb. Modify board env for other supported SoCs 285 */ 286 if ((SVR_SOC_VER(svr) == SVR_LS2088A) || 287 (SVR_SOC_VER(svr) == SVR_LS2048A)) 288 env_set("board", "ls2088ardb"); 289 else if ((SVR_SOC_VER(svr) == SVR_LS2081A) || 290 (SVR_SOC_VER(svr) == SVR_LS2041A)) 291 env_set("board", "ls2081ardb"); 292 293 return 0; 294 } 295 296 void detail_board_ddr_info(void) 297 { 298 puts("\nDDR "); 299 print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, ""); 300 print_ddr_info(0); 301 #ifdef CONFIG_SYS_FSL_HAS_DP_DDR 302 if (soc_has_dp_ddr() && gd->bd->bi_dram[2].size) { 303 puts("\nDP-DDR "); 304 print_size(gd->bd->bi_dram[2].size, ""); 305 print_ddr_info(CONFIG_DP_DDR_CTRL); 306 } 307 #endif 308 } 309 310 #if defined(CONFIG_ARCH_MISC_INIT) 311 int arch_misc_init(void) 312 { 313 return 0; 314 } 315 #endif 316 317 #ifdef CONFIG_FSL_MC_ENET 318 void fdt_fixup_board_enet(void *fdt) 319 { 320 int offset; 321 322 offset = fdt_path_offset(fdt, "/soc/fsl-mc"); 323 324 if (offset < 0) 325 offset = fdt_path_offset(fdt, "/fsl-mc"); 326 327 if (offset < 0) { 328 printf("%s: ERROR: fsl-mc node not found in device tree (error %d)\n", 329 __func__, offset); 330 return; 331 } 332 333 if ((get_mc_boot_status() == 0) && (get_dpl_apply_status() == 0)) 334 fdt_status_okay(fdt, offset); 335 else 336 fdt_status_fail(fdt, offset); 337 } 338 339 void board_quiesce_devices(void) 340 { 341 fsl_mc_ldpaa_exit(gd->bd); 342 } 343 #endif 344 345 #ifdef CONFIG_OF_BOARD_SETUP 346 void fsl_fdt_fixup_flash(void *fdt) 347 { 348 int offset; 349 350 /* 351 * IFC and QSPI are muxed on board. 352 * So disable IFC node in dts if QSPI is enabled or 353 * disable QSPI node in dts in case QSPI is not enabled. 354 */ 355 #ifdef CONFIG_FSL_QSPI 356 offset = fdt_path_offset(fdt, "/soc/ifc"); 357 358 if (offset < 0) 359 offset = fdt_path_offset(fdt, "/ifc"); 360 #else 361 offset = fdt_path_offset(fdt, "/soc/quadspi"); 362 363 if (offset < 0) 364 offset = fdt_path_offset(fdt, "/quadspi"); 365 #endif 366 if (offset < 0) 367 return; 368 369 fdt_status_disabled(fdt, offset); 370 } 371 372 int ft_board_setup(void *blob, bd_t *bd) 373 { 374 u64 base[CONFIG_NR_DRAM_BANKS]; 375 u64 size[CONFIG_NR_DRAM_BANKS]; 376 377 ft_cpu_setup(blob, bd); 378 379 /* fixup DT for the two GPP DDR banks */ 380 base[0] = gd->bd->bi_dram[0].start; 381 size[0] = gd->bd->bi_dram[0].size; 382 base[1] = gd->bd->bi_dram[1].start; 383 size[1] = gd->bd->bi_dram[1].size; 384 385 #ifdef CONFIG_RESV_RAM 386 /* reduce size if reserved memory is within this bank */ 387 if (gd->arch.resv_ram >= base[0] && 388 gd->arch.resv_ram < base[0] + size[0]) 389 size[0] = gd->arch.resv_ram - base[0]; 390 else if (gd->arch.resv_ram >= base[1] && 391 gd->arch.resv_ram < base[1] + size[1]) 392 size[1] = gd->arch.resv_ram - base[1]; 393 #endif 394 395 fdt_fixup_memory_banks(blob, base, size, 2); 396 397 fsl_fdt_fixup_dr_usb(blob, bd); 398 399 fsl_fdt_fixup_flash(blob); 400 401 #ifdef CONFIG_FSL_MC_ENET 402 fdt_fixup_board_enet(blob); 403 #endif 404 405 return 0; 406 } 407 #endif 408 409 void qixis_dump_switch(void) 410 { 411 #ifdef CONFIG_FSL_QIXIS 412 int i, nr_of_cfgsw; 413 414 QIXIS_WRITE(cms[0], 0x00); 415 nr_of_cfgsw = QIXIS_READ(cms[1]); 416 417 puts("DIP switch settings dump:\n"); 418 for (i = 1; i <= nr_of_cfgsw; i++) { 419 QIXIS_WRITE(cms[0], i); 420 printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1])); 421 } 422 #endif 423 } 424 425 /* 426 * Board rev C and earlier has duplicated I2C addresses for 2nd controller. 427 * Both slots has 0x54, resulting 2nd slot unusable. 428 */ 429 void update_spd_address(unsigned int ctrl_num, 430 unsigned int slot, 431 unsigned int *addr) 432 { 433 #ifndef CONFIG_TARGET_LS2081ARDB 434 #ifdef CONFIG_FSL_QIXIS 435 u8 sw; 436 437 sw = QIXIS_READ(arch); 438 if ((sw & 0xf) < 0x3) { 439 if (ctrl_num == 1 && slot == 0) 440 *addr = SPD_EEPROM_ADDRESS4; 441 else if (ctrl_num == 1 && slot == 1) 442 *addr = SPD_EEPROM_ADDRESS3; 443 } 444 #endif 445 #endif 446 } 447