Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2011 The Chromium OS Authors. |
| 3 | * (C) Copyright 2002-2006 |
| 4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 5 | * |
| 6 | * (C) Copyright 2002 |
| 7 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
| 8 | * Marius Groeger <mgroeger@sysgo.de> |
| 9 | * |
| 10 | * See file CREDITS for list of people who contributed to this |
| 11 | * project. |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or |
| 14 | * modify it under the terms of the GNU General Public License as |
| 15 | * published by the Free Software Foundation; either version 2 of |
| 16 | * the License, or (at your option) any later version. |
| 17 | * |
| 18 | * This program is distributed in the hope that it will be useful, |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | * GNU General Public License for more details. |
| 22 | * |
| 23 | * You should have received a copy of the GNU General Public License |
| 24 | * along with this program; if not, write to the Free Software |
| 25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 26 | * MA 02111-1307 USA |
| 27 | */ |
| 28 | |
| 29 | #include <common.h> |
| 30 | #include <linux/compiler.h> |
| 31 | #include <version.h> |
| 32 | #include <environment.h> |
| 33 | #include <fdtdec.h> |
| 34 | #include <initcall.h> |
| 35 | #include <logbuff.h> |
| 36 | #include <post.h> |
| 37 | #include <asm/io.h> |
| 38 | #include <asm/sections.h> |
| 39 | #include <linux/compiler.h> |
| 40 | |
| 41 | /* |
| 42 | * Pointer to initial global data area |
| 43 | * |
| 44 | * Here we initialize it if needed. |
| 45 | */ |
| 46 | #ifdef XTRN_DECLARE_GLOBAL_DATA_PTR |
| 47 | #undef XTRN_DECLARE_GLOBAL_DATA_PTR |
| 48 | #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */ |
| 49 | DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_GD_ADDR); |
| 50 | #else |
| 51 | DECLARE_GLOBAL_DATA_PTR; |
| 52 | #endif |
| 53 | |
| 54 | /* |
| 55 | * sjg: IMO this code should be |
| 56 | * refactored to a single function, something like: |
| 57 | * |
| 58 | * void led_set_state(enum led_colour_t colour, int on); |
| 59 | */ |
| 60 | /************************************************************************ |
| 61 | * Coloured LED functionality |
| 62 | ************************************************************************ |
| 63 | * May be supplied by boards if desired |
| 64 | */ |
| 65 | inline void __coloured_LED_init(void) {} |
| 66 | void coloured_LED_init(void) |
| 67 | __attribute__((weak, alias("__coloured_LED_init"))); |
| 68 | inline void __red_led_on(void) {} |
| 69 | void red_led_on(void) __attribute__((weak, alias("__red_led_on"))); |
| 70 | inline void __red_led_off(void) {} |
| 71 | void red_led_off(void) __attribute__((weak, alias("__red_led_off"))); |
| 72 | inline void __green_led_on(void) {} |
| 73 | void green_led_on(void) __attribute__((weak, alias("__green_led_on"))); |
| 74 | inline void __green_led_off(void) {} |
| 75 | void green_led_off(void) __attribute__((weak, alias("__green_led_off"))); |
| 76 | inline void __yellow_led_on(void) {} |
| 77 | void yellow_led_on(void) __attribute__((weak, alias("__yellow_led_on"))); |
| 78 | inline void __yellow_led_off(void) {} |
| 79 | void yellow_led_off(void) __attribute__((weak, alias("__yellow_led_off"))); |
| 80 | inline void __blue_led_on(void) {} |
| 81 | void blue_led_on(void) __attribute__((weak, alias("__blue_led_on"))); |
| 82 | inline void __blue_led_off(void) {} |
| 83 | void blue_led_off(void) __attribute__((weak, alias("__blue_led_off"))); |
| 84 | |
| 85 | /* |
| 86 | * Why is gd allocated a register? Prior to reloc it might be better to |
| 87 | * just pass it around to each function in this file? |
| 88 | * |
| 89 | * After reloc one could argue that it is hardly used and doesn't need |
| 90 | * to be in a register. Or if it is it should perhaps hold pointers to all |
| 91 | * global data for all modules, so that post-reloc we can avoid the massive |
| 92 | * literal pool we get on ARM. Or perhaps just encourage each module to use |
| 93 | * a structure... |
| 94 | */ |
| 95 | |
| 96 | /* |
| 97 | * Could the CONFIG_SPL_BUILD infection become a flag in gd? |
| 98 | */ |
| 99 | |
| 100 | static int init_baud_rate(void) |
| 101 | { |
| 102 | gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); |
| 103 | return 0; |
| 104 | } |
| 105 | |
| 106 | static int display_text_info(void) |
| 107 | { |
| 108 | ulong bss_start, bss_end; |
| 109 | |
Simon Glass | 632efa7 | 2013-03-11 07:06:48 +0000 | [diff] [blame^] | 110 | #ifdef CONFIG_SYS_SYM_OFFSETS |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 111 | bss_start = _bss_start_ofs + _TEXT_BASE; |
| 112 | bss_end = _bss_end_ofs + _TEXT_BASE; |
Simon Glass | 632efa7 | 2013-03-11 07:06:48 +0000 | [diff] [blame^] | 113 | #else |
| 114 | bss_start = (ulong)&__bss_start; |
| 115 | bss_end = (ulong)&__bss_end; |
| 116 | #endif |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 117 | debug("U-Boot code: %08X -> %08lX BSS: -> %08lX\n", |
| 118 | CONFIG_SYS_TEXT_BASE, bss_start, bss_end); |
| 119 | |
| 120 | #ifdef CONFIG_MODEM_SUPPORT |
| 121 | debug("Modem Support enabled\n"); |
| 122 | #endif |
| 123 | #ifdef CONFIG_USE_IRQ |
| 124 | debug("IRQ Stack: %08lx\n", IRQ_STACK_START); |
| 125 | debug("FIQ Stack: %08lx\n", FIQ_STACK_START); |
| 126 | #endif |
| 127 | |
| 128 | return 0; |
| 129 | } |
| 130 | |
| 131 | static int announce_dram_init(void) |
| 132 | { |
| 133 | puts("DRAM: "); |
| 134 | return 0; |
| 135 | } |
| 136 | |
| 137 | static int show_dram_config(void) |
| 138 | { |
| 139 | ulong size; |
| 140 | |
| 141 | #ifdef CONFIG_NR_DRAM_BANKS |
| 142 | int i; |
| 143 | |
| 144 | debug("\nRAM Configuration:\n"); |
| 145 | for (i = size = 0; i < CONFIG_NR_DRAM_BANKS; i++) { |
| 146 | size += gd->bd->bi_dram[i].size; |
| 147 | debug("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start); |
| 148 | #ifdef DEBUG |
| 149 | print_size(gd->bd->bi_dram[i].size, "\n"); |
| 150 | #endif |
| 151 | } |
| 152 | debug("\nDRAM: "); |
| 153 | #else |
| 154 | size = gd->ram_size; |
| 155 | #endif |
| 156 | |
| 157 | print_size(size, "\n"); |
| 158 | |
| 159 | return 0; |
| 160 | } |
| 161 | |
| 162 | void __dram_init_banksize(void) |
| 163 | { |
| 164 | #if defined(CONFIG_NR_DRAM_BANKS) && defined(CONFIG_SYS_SDRAM_BASE) |
| 165 | gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; |
| 166 | gd->bd->bi_dram[0].size = get_effective_memsize(); |
| 167 | #endif |
| 168 | } |
| 169 | |
| 170 | void dram_init_banksize(void) |
| 171 | __attribute__((weak, alias("__dram_init_banksize"))); |
| 172 | |
| 173 | static int zero_global_data(void) |
| 174 | { |
| 175 | memset((void *)gd, '\0', sizeof(gd_t)); |
| 176 | |
| 177 | return 0; |
| 178 | } |
| 179 | |
| 180 | static int setup_mon_len(void) |
| 181 | { |
Simon Glass | 632efa7 | 2013-03-11 07:06:48 +0000 | [diff] [blame^] | 182 | #ifdef CONFIG_SYS_SYM_OFFSETS |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 183 | gd->mon_len = _bss_end_ofs; |
Simon Glass | 632efa7 | 2013-03-11 07:06:48 +0000 | [diff] [blame^] | 184 | #else |
| 185 | gd->mon_len = (ulong)&__bss_end - (ulong)&__text_start; |
| 186 | #endif |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 187 | return 0; |
| 188 | } |
| 189 | |
| 190 | __weak int arch_cpu_init(void) |
| 191 | { |
| 192 | return 0; |
| 193 | } |
| 194 | |
| 195 | static int setup_fdt(void) |
| 196 | { |
| 197 | #ifdef CONFIG_OF_EMBED |
| 198 | /* Get a pointer to the FDT */ |
| 199 | gd->fdt_blob = _binary_dt_dtb_start; |
| 200 | #elif defined CONFIG_OF_SEPARATE |
| 201 | /* FDT is at end of image */ |
Simon Glass | 632efa7 | 2013-03-11 07:06:48 +0000 | [diff] [blame^] | 202 | # ifdef CONFIG_SYS_SYM_OFFSETS |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 203 | gd->fdt_blob = (void *)(_end_ofs + CONFIG_SYS_TEXT_BASE); |
Simon Glass | 632efa7 | 2013-03-11 07:06:48 +0000 | [diff] [blame^] | 204 | # else |
| 205 | gd->fdt_blob = (ulong *)&_end; |
| 206 | # endif |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 207 | #endif |
| 208 | /* Allow the early environment to override the fdt address */ |
| 209 | gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16, |
| 210 | (uintptr_t)gd->fdt_blob); |
| 211 | return 0; |
| 212 | } |
| 213 | |
| 214 | /* Get the top of usable RAM */ |
| 215 | __weak ulong board_get_usable_ram_top(ulong total_size) |
| 216 | { |
| 217 | return gd->ram_top; |
| 218 | } |
| 219 | |
| 220 | static int setup_dest_addr(void) |
| 221 | { |
| 222 | debug("Monitor len: %08lX\n", gd->mon_len); |
| 223 | /* |
| 224 | * Ram is setup, size stored in gd !! |
| 225 | */ |
| 226 | debug("Ram size: %08lX\n", (ulong)gd->ram_size); |
| 227 | #if defined(CONFIG_SYS_MEM_TOP_HIDE) |
| 228 | /* |
| 229 | * Subtract specified amount of memory to hide so that it won't |
| 230 | * get "touched" at all by U-Boot. By fixing up gd->ram_size |
| 231 | * the Linux kernel should now get passed the now "corrected" |
| 232 | * memory size and won't touch it either. This should work |
| 233 | * for arch/ppc and arch/powerpc. Only Linux board ports in |
| 234 | * arch/powerpc with bootwrapper support, that recalculate the |
| 235 | * memory size from the SDRAM controller setup will have to |
| 236 | * get fixed. |
| 237 | */ |
| 238 | gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE; |
| 239 | #endif |
| 240 | #ifdef CONFIG_SYS_SDRAM_BASE |
| 241 | gd->ram_top = CONFIG_SYS_SDRAM_BASE; |
| 242 | #endif |
| 243 | gd->ram_top = board_get_usable_ram_top(gd->mon_len); |
| 244 | gd->dest_addr = gd->ram_top; |
| 245 | debug("Ram top: %08lX\n", (ulong)gd->ram_top); |
| 246 | gd->dest_addr_sp = gd->dest_addr; |
| 247 | return 0; |
| 248 | } |
| 249 | |
| 250 | #if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR) |
| 251 | static int reserve_logbuffer(void) |
| 252 | { |
| 253 | /* reserve kernel log buffer */ |
| 254 | gd->dest_addr -= LOGBUFF_RESERVE; |
| 255 | debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, |
| 256 | gd->dest_addr); |
| 257 | return 0; |
| 258 | } |
| 259 | #endif |
| 260 | |
| 261 | #ifdef CONFIG_PRAM |
| 262 | /* reserve protected RAM */ |
| 263 | static int reserve_pram(void) |
| 264 | { |
| 265 | ulong reg; |
| 266 | |
| 267 | reg = getenv_ulong("pram", 10, CONFIG_PRAM); |
| 268 | gd->dest_addr -= (reg << 10); /* size is in kB */ |
| 269 | debug("Reserving %ldk for protected RAM at %08lx\n", reg, |
| 270 | gd->dest_addr); |
| 271 | return 0; |
| 272 | } |
| 273 | #endif /* CONFIG_PRAM */ |
| 274 | |
| 275 | /* Round memory pointer down to next 4 kB limit */ |
| 276 | static int reserve_round_4k(void) |
| 277 | { |
| 278 | gd->dest_addr &= ~(4096 - 1); |
| 279 | return 0; |
| 280 | } |
| 281 | |
| 282 | #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \ |
| 283 | defined(CONFIG_ARM) |
| 284 | static int reserve_mmu(void) |
| 285 | { |
| 286 | /* reserve TLB table */ |
| 287 | gd->arch.tlb_size = 4096 * 4; |
| 288 | gd->dest_addr -= gd->arch.tlb_size; |
| 289 | |
| 290 | /* round down to next 64 kB limit */ |
| 291 | gd->dest_addr &= ~(0x10000 - 1); |
| 292 | |
| 293 | gd->arch.tlb_addr = gd->dest_addr; |
| 294 | debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr, |
| 295 | gd->arch.tlb_addr + gd->arch.tlb_size); |
| 296 | return 0; |
| 297 | } |
| 298 | #endif |
| 299 | |
| 300 | #ifdef CONFIG_LCD |
| 301 | static int reserve_lcd(void) |
| 302 | { |
| 303 | #ifdef CONFIG_FB_ADDR |
| 304 | gd->fb_base = CONFIG_FB_ADDR; |
| 305 | #else |
| 306 | /* reserve memory for LCD display (always full pages) */ |
| 307 | gd->dest_addr = lcd_setmem(gd->dest_addr); |
| 308 | gd->fb_base = gd->dest_addr; |
| 309 | #endif /* CONFIG_FB_ADDR */ |
| 310 | return 0; |
| 311 | } |
| 312 | #endif /* CONFIG_LCD */ |
| 313 | |
| 314 | static int reserve_uboot(void) |
| 315 | { |
| 316 | /* |
| 317 | * reserve memory for U-Boot code, data & bss |
| 318 | * round down to next 4 kB limit |
| 319 | */ |
| 320 | gd->dest_addr -= gd->mon_len; |
| 321 | gd->dest_addr &= ~(4096 - 1); |
| 322 | |
| 323 | debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, |
| 324 | gd->dest_addr); |
| 325 | return 0; |
| 326 | } |
| 327 | |
Simon Glass | 8cae8a6 | 2013-03-05 14:39:45 +0000 | [diff] [blame] | 328 | #ifndef CONFIG_SPL_BUILD |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 329 | /* reserve memory for malloc() area */ |
| 330 | static int reserve_malloc(void) |
| 331 | { |
| 332 | gd->dest_addr_sp = gd->dest_addr - TOTAL_MALLOC_LEN; |
| 333 | debug("Reserving %dk for malloc() at: %08lx\n", |
| 334 | TOTAL_MALLOC_LEN >> 10, gd->dest_addr_sp); |
| 335 | return 0; |
| 336 | } |
| 337 | |
| 338 | /* (permanently) allocate a Board Info struct */ |
| 339 | static int reserve_board(void) |
| 340 | { |
| 341 | gd->dest_addr_sp -= sizeof(bd_t); |
| 342 | gd->bd = (bd_t *)gd->dest_addr_sp; |
| 343 | memset(gd->bd, '\0', sizeof(bd_t)); |
| 344 | debug("Reserving %zu Bytes for Board Info at: %08lx\n", |
| 345 | sizeof(bd_t), gd->dest_addr_sp); |
| 346 | return 0; |
| 347 | } |
Simon Glass | 8cae8a6 | 2013-03-05 14:39:45 +0000 | [diff] [blame] | 348 | #endif |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 349 | |
| 350 | static int setup_machine(void) |
| 351 | { |
| 352 | #ifdef CONFIG_MACH_TYPE |
| 353 | gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */ |
| 354 | #endif |
| 355 | return 0; |
| 356 | } |
| 357 | |
| 358 | static int reserve_global_data(void) |
| 359 | { |
| 360 | gd->dest_addr_sp -= sizeof(gd_t); |
| 361 | gd->new_gd = (gd_t *)gd->dest_addr_sp; |
| 362 | debug("Reserving %zu Bytes for Global Data at: %08lx\n", |
| 363 | sizeof(gd_t), gd->dest_addr_sp); |
| 364 | return 0; |
| 365 | } |
| 366 | |
| 367 | static int reserve_fdt(void) |
| 368 | { |
| 369 | /* |
| 370 | * If the device tree is sitting immediate above our image then we |
| 371 | * must relocate it. If it is embedded in the data section, then it |
| 372 | * will be relocated with other data. |
| 373 | */ |
| 374 | if (gd->fdt_blob) { |
| 375 | gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32); |
| 376 | |
| 377 | gd->dest_addr_sp -= gd->fdt_size; |
| 378 | gd->new_fdt = (void *)gd->dest_addr_sp; |
| 379 | debug("Reserving %lu Bytes for FDT at: %p\n", |
| 380 | gd->fdt_size, gd->new_fdt); |
| 381 | } |
| 382 | |
| 383 | return 0; |
| 384 | } |
| 385 | |
| 386 | static int reserve_stacks(void) |
| 387 | { |
Simon Glass | 8cae8a6 | 2013-03-05 14:39:45 +0000 | [diff] [blame] | 388 | #ifdef CONFIG_SPL_BUILD |
| 389 | # ifdef CONFIG_ARM |
| 390 | gd->dest_addr_sp -= 128; /* leave 32 words for abort-stack */ |
| 391 | gd->irq_sp = gd->dest_addr_sp; |
| 392 | # endif |
| 393 | #else |
| 394 | |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 395 | /* setup stack pointer for exceptions */ |
| 396 | gd->dest_addr_sp -= 16; |
| 397 | gd->dest_addr_sp &= ~0xf; |
| 398 | gd->irq_sp = gd->dest_addr_sp; |
| 399 | |
| 400 | /* |
| 401 | * Handle architecture-specific things here |
| 402 | * TODO(sjg@chromium.org): Perhaps create arch_reserve_stack() |
| 403 | * to handle this and put in arch/xxx/lib/stack.c |
| 404 | */ |
| 405 | # ifdef CONFIG_ARM |
| 406 | # ifdef CONFIG_USE_IRQ |
| 407 | gd->dest_addr_sp -= (CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ); |
| 408 | debug("Reserving %zu Bytes for IRQ stack at: %08lx\n", |
| 409 | CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ, gd->dest_addr_sp); |
| 410 | |
| 411 | /* 8-byte alignment for ARM ABI compliance */ |
| 412 | gd->dest_addr_sp &= ~0x07; |
| 413 | # endif |
| 414 | /* leave 3 words for abort-stack, plus 1 for alignment */ |
| 415 | gd->dest_addr_sp -= 16; |
Simon Glass | 8cae8a6 | 2013-03-05 14:39:45 +0000 | [diff] [blame] | 416 | # endif /* Architecture specific code */ |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 417 | |
| 418 | return 0; |
Simon Glass | 8cae8a6 | 2013-03-05 14:39:45 +0000 | [diff] [blame] | 419 | #endif |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 420 | } |
| 421 | |
| 422 | static int display_new_sp(void) |
| 423 | { |
| 424 | debug("New Stack Pointer is: %08lx\n", gd->dest_addr_sp); |
| 425 | |
| 426 | return 0; |
| 427 | } |
| 428 | |
| 429 | #ifdef CONFIG_POST |
| 430 | static int init_post(void) |
| 431 | { |
| 432 | post_bootmode_init(); |
| 433 | post_run(NULL, POST_ROM | post_bootmode_get(0)); |
| 434 | |
| 435 | return 0; |
| 436 | } |
| 437 | #endif |
| 438 | |
| 439 | static int setup_baud_rate(void) |
| 440 | { |
| 441 | /* Ick, can we get rid of this line? */ |
| 442 | gd->bd->bi_baudrate = gd->baudrate; |
| 443 | |
| 444 | return 0; |
| 445 | } |
| 446 | |
| 447 | static int setup_dram_config(void) |
| 448 | { |
| 449 | /* Ram is board specific, so move it to board code ... */ |
| 450 | dram_init_banksize(); |
| 451 | |
| 452 | return 0; |
| 453 | } |
| 454 | |
| 455 | static int reloc_fdt(void) |
| 456 | { |
| 457 | if (gd->new_fdt) { |
| 458 | memcpy(gd->new_fdt, gd->fdt_blob, gd->fdt_size); |
| 459 | gd->fdt_blob = gd->new_fdt; |
| 460 | } |
| 461 | |
| 462 | return 0; |
| 463 | } |
| 464 | |
| 465 | static int setup_reloc(void) |
| 466 | { |
| 467 | gd->relocaddr = gd->dest_addr; |
| 468 | gd->start_addr_sp = gd->dest_addr_sp; |
| 469 | gd->reloc_off = gd->dest_addr - CONFIG_SYS_TEXT_BASE; |
| 470 | memcpy(gd->new_gd, (char *)gd, sizeof(gd_t)); |
| 471 | |
| 472 | debug("Relocation Offset is: %08lx\n", gd->reloc_off); |
| 473 | debug("Relocating to %08lx, new gd at %p, sp at %08lx\n", |
| 474 | gd->dest_addr, gd->new_gd, gd->dest_addr_sp); |
| 475 | |
| 476 | return 0; |
| 477 | } |
| 478 | |
| 479 | /* ARM calls relocate_code from its crt0.S */ |
| 480 | #if !defined(CONFIG_ARM) |
| 481 | |
| 482 | static int jump_to_copy(void) |
| 483 | { |
| 484 | relocate_code(gd->dest_addr_sp, gd->new_gd, gd->dest_addr); |
| 485 | |
| 486 | return 0; |
| 487 | } |
| 488 | #endif |
| 489 | |
| 490 | /* Record the board_init_f() bootstage (after arch_cpu_init()) */ |
| 491 | static int mark_bootstage(void) |
| 492 | { |
| 493 | bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f"); |
| 494 | |
| 495 | return 0; |
| 496 | } |
| 497 | |
| 498 | static init_fnc_t init_sequence_f[] = { |
Simon Glass | 632efa7 | 2013-03-11 07:06:48 +0000 | [diff] [blame^] | 499 | zero_global_data, |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 500 | setup_fdt, |
| 501 | setup_mon_len, |
| 502 | arch_cpu_init, /* basic arch cpu dependent setup */ |
| 503 | mark_bootstage, |
| 504 | #ifdef CONFIG_OF_CONTROL |
| 505 | fdtdec_check_fdt, |
| 506 | #endif |
| 507 | #if defined(CONFIG_BOARD_EARLY_INIT_F) |
| 508 | board_early_init_f, |
| 509 | #endif |
| 510 | timer_init, /* initialize timer */ |
| 511 | #ifdef CONFIG_BOARD_POSTCLK_INIT |
| 512 | board_postclk_init, |
| 513 | #endif |
| 514 | #ifdef CONFIG_FSL_ESDHC |
| 515 | get_clocks, |
| 516 | #endif |
| 517 | env_init, /* initialize environment */ |
| 518 | init_baud_rate, /* initialze baudrate settings */ |
| 519 | serial_init, /* serial communications setup */ |
| 520 | console_init_f, /* stage 1 init of console */ |
| 521 | display_options, /* say that we are here */ |
| 522 | display_text_info, /* show debugging info if required */ |
| 523 | #if defined(CONFIG_DISPLAY_CPUINFO) |
| 524 | print_cpuinfo, /* display cpu info (and speed) */ |
| 525 | #endif |
| 526 | #if defined(CONFIG_DISPLAY_BOARDINFO) |
| 527 | checkboard, /* display board info */ |
| 528 | #endif |
| 529 | announce_dram_init, |
| 530 | /* TODO: unify all these dram functions? */ |
| 531 | #ifdef CONFIG_ARM |
| 532 | dram_init, /* configure available RAM banks */ |
| 533 | #endif |
| 534 | #ifdef CONFIG_POST |
| 535 | init_post, |
| 536 | #endif |
| 537 | /* |
| 538 | * Now that we have DRAM mapped and working, we can |
| 539 | * relocate the code and continue running from DRAM. |
| 540 | * |
| 541 | * Reserve memory at end of RAM for (top down in that order): |
| 542 | * - area that won't get touched by U-Boot and Linux (optional) |
| 543 | * - kernel log buffer |
| 544 | * - protected RAM |
| 545 | * - LCD framebuffer |
| 546 | * - monitor code |
| 547 | * - board info struct |
| 548 | */ |
| 549 | setup_dest_addr, |
| 550 | #if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR) |
| 551 | reserve_logbuffer, |
| 552 | #endif |
| 553 | #ifdef CONFIG_PRAM |
| 554 | reserve_pram, |
| 555 | #endif |
| 556 | reserve_round_4k, |
| 557 | #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \ |
| 558 | defined(CONFIG_ARM) |
| 559 | reserve_mmu, |
| 560 | #endif |
| 561 | #ifdef CONFIG_LCD |
| 562 | reserve_lcd, |
| 563 | #endif |
| 564 | reserve_uboot, |
Simon Glass | 8cae8a6 | 2013-03-05 14:39:45 +0000 | [diff] [blame] | 565 | #ifndef CONFIG_SPL_BUILD |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 566 | reserve_malloc, |
| 567 | reserve_board, |
Simon Glass | 8cae8a6 | 2013-03-05 14:39:45 +0000 | [diff] [blame] | 568 | #endif |
Simon Glass | 1938f4a | 2013-03-11 06:49:53 +0000 | [diff] [blame] | 569 | setup_machine, |
| 570 | reserve_global_data, |
| 571 | reserve_fdt, |
| 572 | reserve_stacks, |
| 573 | setup_dram_config, |
| 574 | show_dram_config, |
| 575 | setup_baud_rate, |
| 576 | display_new_sp, |
| 577 | reloc_fdt, |
| 578 | setup_reloc, |
| 579 | #ifndef CONFIG_ARM |
| 580 | jump_to_copy, |
| 581 | #endif |
| 582 | NULL, |
| 583 | }; |
| 584 | |
| 585 | void board_init_f(ulong boot_flags) |
| 586 | { |
| 587 | gd_t data; |
| 588 | |
| 589 | gd = &data; |
| 590 | |
| 591 | gd->flags = boot_flags; |
| 592 | |
| 593 | if (initcall_run_list(init_sequence_f)) |
| 594 | hang(); |
| 595 | |
| 596 | #ifndef CONFIG_ARM |
| 597 | /* NOTREACHED - jump_to_copy() does not return */ |
| 598 | hang(); |
| 599 | #endif |
| 600 | } |
| 601 | |
| 602 | void hang(void) |
| 603 | { |
| 604 | puts("### ERROR ### Please RESET the board ###\n"); |
| 605 | for (;;); |
| 606 | } |