board/freescale/ls2080ardb/ls2080ardb.c

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