]>
Commit | Line | Data |
---|---|---|
1938f4a5 SG |
1 | /* |
2 | * Copyright (c) 2011 The Chromium OS Authors. | |
3 | * (C) Copyright 2002-2006 | |
4 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
5 | * | |
6 | * (C) Copyright 2002 | |
7 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> | |
8 | * Marius Groeger <[email protected]> | |
9 | * | |
1a459660 | 10 | * SPDX-License-Identifier: GPL-2.0+ |
1938f4a5 SG |
11 | */ |
12 | ||
13 | #include <common.h> | |
24b852a7 | 14 | #include <console.h> |
1938f4a5 | 15 | #include <environment.h> |
ab7cd627 | 16 | #include <dm.h> |
1938f4a5 | 17 | #include <fdtdec.h> |
f828bf25 | 18 | #include <fs.h> |
e4fef6cf | 19 | #include <i2c.h> |
1938f4a5 | 20 | #include <initcall.h> |
96d4b75c | 21 | #include <init_helpers.h> |
fb5cf7f1 | 22 | #include <malloc.h> |
0eb25b61 | 23 | #include <mapmem.h> |
a733b06b | 24 | #include <os.h> |
1938f4a5 | 25 | #include <post.h> |
e47b2d67 | 26 | #include <relocate.h> |
e4fef6cf | 27 | #include <spi.h> |
c5d4001a | 28 | #include <status_led.h> |
1057e6cf | 29 | #include <timer.h> |
71c52dba | 30 | #include <trace.h> |
5a541945 | 31 | #include <video.h> |
e4fef6cf | 32 | #include <watchdog.h> |
b885d02e SG |
33 | #ifdef CONFIG_MACH_TYPE |
34 | #include <asm/mach-types.h> | |
35 | #endif | |
1fbf97dc SG |
36 | #if defined(CONFIG_MP) && defined(CONFIG_PPC) |
37 | #include <asm/mp.h> | |
38 | #endif | |
1938f4a5 SG |
39 | #include <asm/io.h> |
40 | #include <asm/sections.h> | |
ab7cd627 | 41 | #include <dm/root.h> |
056285fd | 42 | #include <linux/errno.h> |
1938f4a5 SG |
43 | |
44 | /* | |
45 | * Pointer to initial global data area | |
46 | * | |
47 | * Here we initialize it if needed. | |
48 | */ | |
49 | #ifdef XTRN_DECLARE_GLOBAL_DATA_PTR | |
50 | #undef XTRN_DECLARE_GLOBAL_DATA_PTR | |
51 | #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */ | |
16ef1474 | 52 | DECLARE_GLOBAL_DATA_PTR = (gd_t *)(CONFIG_SYS_INIT_GD_ADDR); |
1938f4a5 SG |
53 | #else |
54 | DECLARE_GLOBAL_DATA_PTR; | |
55 | #endif | |
56 | ||
57 | /* | |
4c509343 | 58 | * TODO([email protected]): IMO this code should be |
1938f4a5 SG |
59 | * refactored to a single function, something like: |
60 | * | |
61 | * void led_set_state(enum led_colour_t colour, int on); | |
62 | */ | |
63 | /************************************************************************ | |
64 | * Coloured LED functionality | |
65 | ************************************************************************ | |
66 | * May be supplied by boards if desired | |
67 | */ | |
c5d4001a JH |
68 | __weak void coloured_LED_init(void) {} |
69 | __weak void red_led_on(void) {} | |
70 | __weak void red_led_off(void) {} | |
71 | __weak void green_led_on(void) {} | |
72 | __weak void green_led_off(void) {} | |
73 | __weak void yellow_led_on(void) {} | |
74 | __weak void yellow_led_off(void) {} | |
75 | __weak void blue_led_on(void) {} | |
76 | __weak void blue_led_off(void) {} | |
1938f4a5 SG |
77 | |
78 | /* | |
79 | * Why is gd allocated a register? Prior to reloc it might be better to | |
80 | * just pass it around to each function in this file? | |
81 | * | |
82 | * After reloc one could argue that it is hardly used and doesn't need | |
83 | * to be in a register. Or if it is it should perhaps hold pointers to all | |
84 | * global data for all modules, so that post-reloc we can avoid the massive | |
85 | * literal pool we get on ARM. Or perhaps just encourage each module to use | |
86 | * a structure... | |
87 | */ | |
88 | ||
d54d7eb9 | 89 | #if defined(CONFIG_WATCHDOG) || defined(CONFIG_HW_WATCHDOG) |
e4fef6cf SG |
90 | static int init_func_watchdog_init(void) |
91 | { | |
ea3310e8 TR |
92 | # if defined(CONFIG_HW_WATCHDOG) && \ |
93 | (defined(CONFIG_M68K) || defined(CONFIG_MICROBLAZE) || \ | |
14a380a8 | 94 | defined(CONFIG_SH) || defined(CONFIG_AT91SAM9_WATCHDOG) || \ |
46d7a3b3 | 95 | defined(CONFIG_DESIGNWARE_WATCHDOG) || \ |
14a380a8 | 96 | defined(CONFIG_IMX_WATCHDOG)) |
d54d7eb9 | 97 | hw_watchdog_init(); |
e4fef6cf | 98 | puts(" Watchdog enabled\n"); |
ba169d98 | 99 | # endif |
e4fef6cf SG |
100 | WATCHDOG_RESET(); |
101 | ||
102 | return 0; | |
103 | } | |
104 | ||
105 | int init_func_watchdog_reset(void) | |
106 | { | |
107 | WATCHDOG_RESET(); | |
108 | ||
109 | return 0; | |
110 | } | |
111 | #endif /* CONFIG_WATCHDOG */ | |
112 | ||
dd2a6cd0 | 113 | __weak void board_add_ram_info(int use_default) |
e4fef6cf SG |
114 | { |
115 | /* please define platform specific board_add_ram_info() */ | |
116 | } | |
117 | ||
1938f4a5 SG |
118 | static int init_baud_rate(void) |
119 | { | |
bfebc8c9 | 120 | gd->baudrate = env_get_ulong("baudrate", 10, CONFIG_BAUDRATE); |
1938f4a5 SG |
121 | return 0; |
122 | } | |
123 | ||
124 | static int display_text_info(void) | |
125 | { | |
9b217498 | 126 | #if !defined(CONFIG_SANDBOX) && !defined(CONFIG_EFI_APP) |
9fdee7d7 | 127 | ulong bss_start, bss_end, text_base; |
1938f4a5 | 128 | |
632efa74 SG |
129 | bss_start = (ulong)&__bss_start; |
130 | bss_end = (ulong)&__bss_end; | |
b60eff31 | 131 | |
d54d7eb9 | 132 | #ifdef CONFIG_SYS_TEXT_BASE |
9fdee7d7 | 133 | text_base = CONFIG_SYS_TEXT_BASE; |
d54d7eb9 | 134 | #else |
9fdee7d7 | 135 | text_base = CONFIG_SYS_MONITOR_BASE; |
d54d7eb9 | 136 | #endif |
9fdee7d7 DS |
137 | |
138 | debug("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n", | |
16ef1474 | 139 | text_base, bss_start, bss_end); |
a733b06b | 140 | #endif |
1938f4a5 | 141 | |
1938f4a5 SG |
142 | return 0; |
143 | } | |
144 | ||
145 | static int announce_dram_init(void) | |
146 | { | |
147 | puts("DRAM: "); | |
148 | return 0; | |
149 | } | |
150 | ||
151 | static int show_dram_config(void) | |
152 | { | |
fa39ffe5 | 153 | unsigned long long size; |
1938f4a5 SG |
154 | |
155 | #ifdef CONFIG_NR_DRAM_BANKS | |
156 | int i; | |
157 | ||
158 | debug("\nRAM Configuration:\n"); | |
159 | for (i = size = 0; i < CONFIG_NR_DRAM_BANKS; i++) { | |
160 | size += gd->bd->bi_dram[i].size; | |
715f599f BM |
161 | debug("Bank #%d: %llx ", i, |
162 | (unsigned long long)(gd->bd->bi_dram[i].start)); | |
1938f4a5 SG |
163 | #ifdef DEBUG |
164 | print_size(gd->bd->bi_dram[i].size, "\n"); | |
165 | #endif | |
166 | } | |
167 | debug("\nDRAM: "); | |
168 | #else | |
169 | size = gd->ram_size; | |
170 | #endif | |
171 | ||
e4fef6cf SG |
172 | print_size(size, ""); |
173 | board_add_ram_info(0); | |
174 | putc('\n'); | |
1938f4a5 SG |
175 | |
176 | return 0; | |
177 | } | |
178 | ||
76b00aca | 179 | __weak int dram_init_banksize(void) |
1938f4a5 SG |
180 | { |
181 | #if defined(CONFIG_NR_DRAM_BANKS) && defined(CONFIG_SYS_SDRAM_BASE) | |
182 | gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; | |
183 | gd->bd->bi_dram[0].size = get_effective_memsize(); | |
184 | #endif | |
76b00aca SG |
185 | |
186 | return 0; | |
1938f4a5 SG |
187 | } |
188 | ||
69153988 | 189 | #if defined(CONFIG_SYS_I2C) |
e4fef6cf SG |
190 | static int init_func_i2c(void) |
191 | { | |
192 | puts("I2C: "); | |
815a76f2 | 193 | #ifdef CONFIG_SYS_I2C |
194 | i2c_init_all(); | |
195 | #else | |
e4fef6cf | 196 | i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
815a76f2 | 197 | #endif |
e4fef6cf SG |
198 | puts("ready\n"); |
199 | return 0; | |
200 | } | |
201 | #endif | |
202 | ||
1fab98fb RB |
203 | #if defined(CONFIG_VID) |
204 | __weak int init_func_vid(void) | |
205 | { | |
206 | return 0; | |
207 | } | |
208 | #endif | |
209 | ||
e4fef6cf SG |
210 | #if defined(CONFIG_HARD_SPI) |
211 | static int init_func_spi(void) | |
212 | { | |
213 | puts("SPI: "); | |
214 | spi_init(); | |
215 | puts("ready\n"); | |
216 | return 0; | |
217 | } | |
218 | #endif | |
219 | ||
1938f4a5 SG |
220 | static int setup_mon_len(void) |
221 | { | |
e945f6dc | 222 | #if defined(__ARM__) || defined(__MICROBLAZE__) |
b60eff31 | 223 | gd->mon_len = (ulong)&__bss_end - (ulong)_start; |
9b217498 | 224 | #elif defined(CONFIG_SANDBOX) || defined(CONFIG_EFI_APP) |
a733b06b | 225 | gd->mon_len = (ulong)&_end - (ulong)_init; |
ea3310e8 | 226 | #elif defined(CONFIG_NIOS2) || defined(CONFIG_XTENSA) |
d54d7eb9 | 227 | gd->mon_len = CONFIG_SYS_MONITOR_LEN; |
068feb9b | 228 | #elif defined(CONFIG_NDS32) || defined(CONFIG_SH) || defined(CONFIG_RISCV) |
2e88bb28 | 229 | gd->mon_len = (ulong)(&__bss_end) - (ulong)(&_start); |
b0b35953 | 230 | #elif defined(CONFIG_SYS_MONITOR_BASE) |
e4fef6cf SG |
231 | /* TODO: use (ulong)&__bss_end - (ulong)&__text_start; ? */ |
232 | gd->mon_len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE; | |
632efa74 | 233 | #endif |
1938f4a5 SG |
234 | return 0; |
235 | } | |
236 | ||
237 | __weak int arch_cpu_init(void) | |
238 | { | |
239 | return 0; | |
240 | } | |
241 | ||
8ebf5069 PB |
242 | __weak int mach_cpu_init(void) |
243 | { | |
244 | return 0; | |
245 | } | |
246 | ||
1938f4a5 SG |
247 | /* Get the top of usable RAM */ |
248 | __weak ulong board_get_usable_ram_top(ulong total_size) | |
249 | { | |
1e4d11a5 SW |
250 | #ifdef CONFIG_SYS_SDRAM_BASE |
251 | /* | |
4c509343 | 252 | * Detect whether we have so much RAM that it goes past the end of our |
1e4d11a5 SW |
253 | * 32-bit address space. If so, clip the usable RAM so it doesn't. |
254 | */ | |
255 | if (gd->ram_top < CONFIG_SYS_SDRAM_BASE) | |
256 | /* | |
257 | * Will wrap back to top of 32-bit space when reservations | |
258 | * are made. | |
259 | */ | |
260 | return 0; | |
261 | #endif | |
1938f4a5 SG |
262 | return gd->ram_top; |
263 | } | |
264 | ||
265 | static int setup_dest_addr(void) | |
266 | { | |
267 | debug("Monitor len: %08lX\n", gd->mon_len); | |
268 | /* | |
269 | * Ram is setup, size stored in gd !! | |
270 | */ | |
271 | debug("Ram size: %08lX\n", (ulong)gd->ram_size); | |
36cc0de0 | 272 | #if defined(CONFIG_SYS_MEM_TOP_HIDE) |
1938f4a5 SG |
273 | /* |
274 | * Subtract specified amount of memory to hide so that it won't | |
275 | * get "touched" at all by U-Boot. By fixing up gd->ram_size | |
276 | * the Linux kernel should now get passed the now "corrected" | |
36cc0de0 YS |
277 | * memory size and won't touch it either. This should work |
278 | * for arch/ppc and arch/powerpc. Only Linux board ports in | |
279 | * arch/powerpc with bootwrapper support, that recalculate the | |
280 | * memory size from the SDRAM controller setup will have to | |
281 | * get fixed. | |
1938f4a5 | 282 | */ |
36cc0de0 YS |
283 | gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE; |
284 | #endif | |
1938f4a5 SG |
285 | #ifdef CONFIG_SYS_SDRAM_BASE |
286 | gd->ram_top = CONFIG_SYS_SDRAM_BASE; | |
287 | #endif | |
e4fef6cf | 288 | gd->ram_top += get_effective_memsize(); |
1938f4a5 | 289 | gd->ram_top = board_get_usable_ram_top(gd->mon_len); |
a0ba279a | 290 | gd->relocaddr = gd->ram_top; |
1938f4a5 | 291 | debug("Ram top: %08lX\n", (ulong)gd->ram_top); |
ec3b4820 | 292 | #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500)) |
e4fef6cf SG |
293 | /* |
294 | * We need to make sure the location we intend to put secondary core | |
295 | * boot code is reserved and not used by any part of u-boot | |
296 | */ | |
a0ba279a MY |
297 | if (gd->relocaddr > determine_mp_bootpg(NULL)) { |
298 | gd->relocaddr = determine_mp_bootpg(NULL); | |
299 | debug("Reserving MP boot page to %08lx\n", gd->relocaddr); | |
e4fef6cf SG |
300 | } |
301 | #endif | |
1938f4a5 SG |
302 | return 0; |
303 | } | |
304 | ||
1938f4a5 SG |
305 | #ifdef CONFIG_PRAM |
306 | /* reserve protected RAM */ | |
307 | static int reserve_pram(void) | |
308 | { | |
309 | ulong reg; | |
310 | ||
bfebc8c9 | 311 | reg = env_get_ulong("pram", 10, CONFIG_PRAM); |
a0ba279a | 312 | gd->relocaddr -= (reg << 10); /* size is in kB */ |
1938f4a5 | 313 | debug("Reserving %ldk for protected RAM at %08lx\n", reg, |
a0ba279a | 314 | gd->relocaddr); |
1938f4a5 SG |
315 | return 0; |
316 | } | |
317 | #endif /* CONFIG_PRAM */ | |
318 | ||
319 | /* Round memory pointer down to next 4 kB limit */ | |
320 | static int reserve_round_4k(void) | |
321 | { | |
a0ba279a | 322 | gd->relocaddr &= ~(4096 - 1); |
1938f4a5 SG |
323 | return 0; |
324 | } | |
325 | ||
80d4bcd3 | 326 | #ifdef CONFIG_ARM |
60873f73 | 327 | __weak int reserve_mmu(void) |
1938f4a5 | 328 | { |
80d4bcd3 | 329 | #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) |
1938f4a5 | 330 | /* reserve TLB table */ |
cce6be7f | 331 | gd->arch.tlb_size = PGTABLE_SIZE; |
a0ba279a | 332 | gd->relocaddr -= gd->arch.tlb_size; |
1938f4a5 SG |
333 | |
334 | /* round down to next 64 kB limit */ | |
a0ba279a | 335 | gd->relocaddr &= ~(0x10000 - 1); |
1938f4a5 | 336 | |
a0ba279a | 337 | gd->arch.tlb_addr = gd->relocaddr; |
1938f4a5 SG |
338 | debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr, |
339 | gd->arch.tlb_addr + gd->arch.tlb_size); | |
50e93b95 YS |
340 | |
341 | #ifdef CONFIG_SYS_MEM_RESERVE_SECURE | |
342 | /* | |
343 | * Record allocated tlb_addr in case gd->tlb_addr to be overwritten | |
344 | * with location within secure ram. | |
345 | */ | |
346 | gd->arch.tlb_allocated = gd->arch.tlb_addr; | |
80d4bcd3 | 347 | #endif |
50e93b95 YS |
348 | #endif |
349 | ||
1938f4a5 SG |
350 | return 0; |
351 | } | |
352 | #endif | |
353 | ||
5a541945 SG |
354 | static int reserve_video(void) |
355 | { | |
0f079eb5 | 356 | #ifdef CONFIG_DM_VIDEO |
5a541945 SG |
357 | ulong addr; |
358 | int ret; | |
359 | ||
360 | addr = gd->relocaddr; | |
361 | ret = video_reserve(&addr); | |
362 | if (ret) | |
363 | return ret; | |
364 | gd->relocaddr = addr; | |
0f079eb5 | 365 | #elif defined(CONFIG_LCD) |
5a541945 | 366 | # ifdef CONFIG_FB_ADDR |
1938f4a5 | 367 | gd->fb_base = CONFIG_FB_ADDR; |
5a541945 | 368 | # else |
1938f4a5 | 369 | /* reserve memory for LCD display (always full pages) */ |
a0ba279a MY |
370 | gd->relocaddr = lcd_setmem(gd->relocaddr); |
371 | gd->fb_base = gd->relocaddr; | |
5a541945 | 372 | # endif /* CONFIG_FB_ADDR */ |
0f079eb5 | 373 | #elif defined(CONFIG_VIDEO) && \ |
5b8e76c3 | 374 | (!defined(CONFIG_PPC)) && \ |
d54d7eb9 | 375 | !defined(CONFIG_ARM) && !defined(CONFIG_X86) && \ |
ea3310e8 | 376 | !defined(CONFIG_M68K) |
e4fef6cf | 377 | /* reserve memory for video display (always full pages) */ |
a0ba279a MY |
378 | gd->relocaddr = video_setmem(gd->relocaddr); |
379 | gd->fb_base = gd->relocaddr; | |
0f079eb5 | 380 | #endif |
e4fef6cf SG |
381 | |
382 | return 0; | |
383 | } | |
e4fef6cf | 384 | |
8703ef3f SG |
385 | static int reserve_trace(void) |
386 | { | |
387 | #ifdef CONFIG_TRACE | |
388 | gd->relocaddr -= CONFIG_TRACE_BUFFER_SIZE; | |
389 | gd->trace_buff = map_sysmem(gd->relocaddr, CONFIG_TRACE_BUFFER_SIZE); | |
390 | debug("Reserving %dk for trace data at: %08lx\n", | |
391 | CONFIG_TRACE_BUFFER_SIZE >> 10, gd->relocaddr); | |
392 | #endif | |
393 | ||
394 | return 0; | |
395 | } | |
396 | ||
1938f4a5 SG |
397 | static int reserve_uboot(void) |
398 | { | |
399 | /* | |
400 | * reserve memory for U-Boot code, data & bss | |
401 | * round down to next 4 kB limit | |
402 | */ | |
a0ba279a MY |
403 | gd->relocaddr -= gd->mon_len; |
404 | gd->relocaddr &= ~(4096 - 1); | |
703ec9dd | 405 | #if defined(CONFIG_E500) || defined(CONFIG_MIPS) |
e4fef6cf | 406 | /* round down to next 64 kB limit so that IVPR stays aligned */ |
a0ba279a | 407 | gd->relocaddr &= ~(65536 - 1); |
e4fef6cf | 408 | #endif |
1938f4a5 SG |
409 | |
410 | debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, | |
a0ba279a MY |
411 | gd->relocaddr); |
412 | ||
413 | gd->start_addr_sp = gd->relocaddr; | |
414 | ||
1938f4a5 SG |
415 | return 0; |
416 | } | |
417 | ||
418 | /* reserve memory for malloc() area */ | |
419 | static int reserve_malloc(void) | |
420 | { | |
a0ba279a | 421 | gd->start_addr_sp = gd->start_addr_sp - TOTAL_MALLOC_LEN; |
1938f4a5 | 422 | debug("Reserving %dk for malloc() at: %08lx\n", |
16ef1474 | 423 | TOTAL_MALLOC_LEN >> 10, gd->start_addr_sp); |
1938f4a5 SG |
424 | return 0; |
425 | } | |
426 | ||
427 | /* (permanently) allocate a Board Info struct */ | |
428 | static int reserve_board(void) | |
429 | { | |
d54d7eb9 SZ |
430 | if (!gd->bd) { |
431 | gd->start_addr_sp -= sizeof(bd_t); | |
432 | gd->bd = (bd_t *)map_sysmem(gd->start_addr_sp, sizeof(bd_t)); | |
433 | memset(gd->bd, '\0', sizeof(bd_t)); | |
434 | debug("Reserving %zu Bytes for Board Info at: %08lx\n", | |
435 | sizeof(bd_t), gd->start_addr_sp); | |
436 | } | |
1938f4a5 SG |
437 | return 0; |
438 | } | |
439 | ||
440 | static int setup_machine(void) | |
441 | { | |
442 | #ifdef CONFIG_MACH_TYPE | |
443 | gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */ | |
444 | #endif | |
445 | return 0; | |
446 | } | |
447 | ||
448 | static int reserve_global_data(void) | |
449 | { | |
a0ba279a MY |
450 | gd->start_addr_sp -= sizeof(gd_t); |
451 | gd->new_gd = (gd_t *)map_sysmem(gd->start_addr_sp, sizeof(gd_t)); | |
1938f4a5 | 452 | debug("Reserving %zu Bytes for Global Data at: %08lx\n", |
16ef1474 | 453 | sizeof(gd_t), gd->start_addr_sp); |
1938f4a5 SG |
454 | return 0; |
455 | } | |
456 | ||
457 | static int reserve_fdt(void) | |
458 | { | |
e9acb9ea | 459 | #ifndef CONFIG_OF_EMBED |
1938f4a5 | 460 | /* |
4c509343 | 461 | * If the device tree is sitting immediately above our image then we |
1938f4a5 SG |
462 | * must relocate it. If it is embedded in the data section, then it |
463 | * will be relocated with other data. | |
464 | */ | |
465 | if (gd->fdt_blob) { | |
466 | gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32); | |
467 | ||
a0ba279a MY |
468 | gd->start_addr_sp -= gd->fdt_size; |
469 | gd->new_fdt = map_sysmem(gd->start_addr_sp, gd->fdt_size); | |
a733b06b | 470 | debug("Reserving %lu Bytes for FDT at: %08lx\n", |
a0ba279a | 471 | gd->fdt_size, gd->start_addr_sp); |
1938f4a5 | 472 | } |
e9acb9ea | 473 | #endif |
1938f4a5 SG |
474 | |
475 | return 0; | |
476 | } | |
477 | ||
25e7dc6a SG |
478 | static int reserve_bootstage(void) |
479 | { | |
480 | #ifdef CONFIG_BOOTSTAGE | |
481 | int size = bootstage_get_size(); | |
482 | ||
483 | gd->start_addr_sp -= size; | |
484 | gd->new_bootstage = map_sysmem(gd->start_addr_sp, size); | |
485 | debug("Reserving %#x Bytes for bootstage at: %08lx\n", size, | |
486 | gd->start_addr_sp); | |
487 | #endif | |
488 | ||
489 | return 0; | |
490 | } | |
491 | ||
68145d4c | 492 | int arch_reserve_stacks(void) |
1938f4a5 | 493 | { |
68145d4c AB |
494 | return 0; |
495 | } | |
8cae8a68 | 496 | |
68145d4c AB |
497 | static int reserve_stacks(void) |
498 | { | |
499 | /* make stack pointer 16-byte aligned */ | |
a0ba279a MY |
500 | gd->start_addr_sp -= 16; |
501 | gd->start_addr_sp &= ~0xf; | |
1938f4a5 SG |
502 | |
503 | /* | |
4c509343 | 504 | * let the architecture-specific code tailor gd->start_addr_sp and |
68145d4c | 505 | * gd->irq_sp |
1938f4a5 | 506 | */ |
68145d4c | 507 | return arch_reserve_stacks(); |
1938f4a5 SG |
508 | } |
509 | ||
510 | static int display_new_sp(void) | |
511 | { | |
a0ba279a | 512 | debug("New Stack Pointer is: %08lx\n", gd->start_addr_sp); |
1938f4a5 SG |
513 | |
514 | return 0; | |
515 | } | |
516 | ||
e2099d78 VZ |
517 | #if defined(CONFIG_M68K) || defined(CONFIG_MIPS) || defined(CONFIG_PPC) || \ |
518 | defined(CONFIG_SH) | |
e4fef6cf SG |
519 | static int setup_board_part1(void) |
520 | { | |
521 | bd_t *bd = gd->bd; | |
522 | ||
523 | /* | |
524 | * Save local variables to board info struct | |
525 | */ | |
e4fef6cf SG |
526 | bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of memory */ |
527 | bd->bi_memsize = gd->ram_size; /* size in bytes */ | |
528 | ||
529 | #ifdef CONFIG_SYS_SRAM_BASE | |
530 | bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM */ | |
531 | bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM */ | |
532 | #endif | |
533 | ||
50258977 | 534 | #if defined(CONFIG_E500) || defined(CONFIG_MPC86xx) |
e4fef6cf SG |
535 | bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */ |
536 | #endif | |
064b55cf | 537 | #if defined(CONFIG_M68K) |
e4fef6cf SG |
538 | bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ |
539 | #endif | |
540 | #if defined(CONFIG_MPC83xx) | |
541 | bd->bi_immrbar = CONFIG_SYS_IMMR; | |
542 | #endif | |
e4fef6cf SG |
543 | |
544 | return 0; | |
545 | } | |
fb3db635 | 546 | #endif |
e4fef6cf | 547 | |
fb3db635 | 548 | #if defined(CONFIG_PPC) || defined(CONFIG_M68K) |
e4fef6cf SG |
549 | static int setup_board_part2(void) |
550 | { | |
551 | bd_t *bd = gd->bd; | |
552 | ||
553 | bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */ | |
554 | bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */ | |
555 | #if defined(CONFIG_CPM2) | |
556 | bd->bi_cpmfreq = gd->arch.cpm_clk; | |
557 | bd->bi_brgfreq = gd->arch.brg_clk; | |
558 | bd->bi_sccfreq = gd->arch.scc_clk; | |
559 | bd->bi_vco = gd->arch.vco_out; | |
560 | #endif /* CONFIG_CPM2 */ | |
1313db48 AW |
561 | #if defined(CONFIG_M68K) && defined(CONFIG_PCI) |
562 | bd->bi_pcifreq = gd->pci_clk; | |
563 | #endif | |
564 | #if defined(CONFIG_EXTRA_CLOCK) | |
565 | bd->bi_inpfreq = gd->arch.inp_clk; /* input Freq in Hz */ | |
566 | bd->bi_vcofreq = gd->arch.vco_clk; /* vco Freq in Hz */ | |
567 | bd->bi_flbfreq = gd->arch.flb_clk; /* flexbus Freq in Hz */ | |
568 | #endif | |
e4fef6cf SG |
569 | |
570 | return 0; | |
571 | } | |
572 | #endif | |
573 | ||
1938f4a5 SG |
574 | #ifdef CONFIG_POST |
575 | static int init_post(void) | |
576 | { | |
577 | post_bootmode_init(); | |
578 | post_run(NULL, POST_ROM | post_bootmode_get(0)); | |
579 | ||
580 | return 0; | |
581 | } | |
582 | #endif | |
583 | ||
1938f4a5 SG |
584 | static int reloc_fdt(void) |
585 | { | |
e9acb9ea | 586 | #ifndef CONFIG_OF_EMBED |
f05ad9ba SG |
587 | if (gd->flags & GD_FLG_SKIP_RELOC) |
588 | return 0; | |
1938f4a5 SG |
589 | if (gd->new_fdt) { |
590 | memcpy(gd->new_fdt, gd->fdt_blob, gd->fdt_size); | |
591 | gd->fdt_blob = gd->new_fdt; | |
592 | } | |
e9acb9ea | 593 | #endif |
1938f4a5 SG |
594 | |
595 | return 0; | |
596 | } | |
597 | ||
25e7dc6a SG |
598 | static int reloc_bootstage(void) |
599 | { | |
600 | #ifdef CONFIG_BOOTSTAGE | |
601 | if (gd->flags & GD_FLG_SKIP_RELOC) | |
602 | return 0; | |
603 | if (gd->new_bootstage) { | |
604 | int size = bootstage_get_size(); | |
605 | ||
606 | debug("Copying bootstage from %p to %p, size %x\n", | |
607 | gd->bootstage, gd->new_bootstage, size); | |
608 | memcpy(gd->new_bootstage, gd->bootstage, size); | |
609 | gd->bootstage = gd->new_bootstage; | |
610 | } | |
611 | #endif | |
612 | ||
613 | return 0; | |
614 | } | |
615 | ||
1938f4a5 SG |
616 | static int setup_reloc(void) |
617 | { | |
f05ad9ba SG |
618 | if (gd->flags & GD_FLG_SKIP_RELOC) { |
619 | debug("Skipping relocation due to flag\n"); | |
620 | return 0; | |
621 | } | |
622 | ||
d54d7eb9 | 623 | #ifdef CONFIG_SYS_TEXT_BASE |
53207bfd LW |
624 | #ifdef ARM |
625 | gd->reloc_off = gd->relocaddr - (unsigned long)__image_copy_start; | |
626 | #elif defined(CONFIG_M68K) | |
e310b93e | 627 | /* |
628 | * On all ColdFire arch cpu, monitor code starts always | |
629 | * just after the default vector table location, so at 0x400 | |
630 | */ | |
631 | gd->reloc_off = gd->relocaddr - (CONFIG_SYS_TEXT_BASE + 0x400); | |
53207bfd LW |
632 | #else |
633 | gd->reloc_off = gd->relocaddr - CONFIG_SYS_TEXT_BASE; | |
e310b93e | 634 | #endif |
d54d7eb9 | 635 | #endif |
1938f4a5 SG |
636 | memcpy(gd->new_gd, (char *)gd, sizeof(gd_t)); |
637 | ||
638 | debug("Relocation Offset is: %08lx\n", gd->reloc_off); | |
a733b06b | 639 | debug("Relocating to %08lx, new gd at %08lx, sp at %08lx\n", |
a0ba279a MY |
640 | gd->relocaddr, (ulong)map_to_sysmem(gd->new_gd), |
641 | gd->start_addr_sp); | |
1938f4a5 SG |
642 | |
643 | return 0; | |
644 | } | |
645 | ||
2a792753 | 646 | #ifdef CONFIG_OF_BOARD_FIXUP |
647 | static int fix_fdt(void) | |
648 | { | |
649 | return board_fix_fdt((void *)gd->fdt_blob); | |
650 | } | |
651 | #endif | |
652 | ||
1938f4a5 | 653 | /* ARM calls relocate_code from its crt0.S */ |
530f27ea SG |
654 | #if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) && \ |
655 | !CONFIG_IS_ENABLED(X86_64) | |
1938f4a5 SG |
656 | |
657 | static int jump_to_copy(void) | |
658 | { | |
f05ad9ba SG |
659 | if (gd->flags & GD_FLG_SKIP_RELOC) |
660 | return 0; | |
48a33806 SG |
661 | /* |
662 | * x86 is special, but in a nice way. It uses a trampoline which | |
663 | * enables the dcache if possible. | |
664 | * | |
665 | * For now, other archs use relocate_code(), which is implemented | |
666 | * similarly for all archs. When we do generic relocation, hopefully | |
667 | * we can make all archs enable the dcache prior to relocation. | |
668 | */ | |
3fb80163 | 669 | #if defined(CONFIG_X86) || defined(CONFIG_ARC) |
48a33806 SG |
670 | /* |
671 | * SDRAM and console are now initialised. The final stack can now | |
672 | * be setup in SDRAM. Code execution will continue in Flash, but | |
673 | * with the stack in SDRAM and Global Data in temporary memory | |
674 | * (CPU cache) | |
675 | */ | |
f0c7d9c7 | 676 | arch_setup_gd(gd->new_gd); |
48a33806 SG |
677 | board_init_f_r_trampoline(gd->start_addr_sp); |
678 | #else | |
a0ba279a | 679 | relocate_code(gd->start_addr_sp, gd->new_gd, gd->relocaddr); |
48a33806 | 680 | #endif |
1938f4a5 SG |
681 | |
682 | return 0; | |
683 | } | |
684 | #endif | |
685 | ||
686 | /* Record the board_init_f() bootstage (after arch_cpu_init()) */ | |
b383d6c0 | 687 | static int initf_bootstage(void) |
1938f4a5 | 688 | { |
baa7d345 SG |
689 | bool from_spl = IS_ENABLED(CONFIG_SPL_BOOTSTAGE) && |
690 | IS_ENABLED(CONFIG_BOOTSTAGE_STASH); | |
b383d6c0 SG |
691 | int ret; |
692 | ||
824bb1b4 | 693 | ret = bootstage_init(!from_spl); |
b383d6c0 SG |
694 | if (ret) |
695 | return ret; | |
824bb1b4 SG |
696 | if (from_spl) { |
697 | const void *stash = map_sysmem(CONFIG_BOOTSTAGE_STASH_ADDR, | |
698 | CONFIG_BOOTSTAGE_STASH_SIZE); | |
699 | ||
700 | ret = bootstage_unstash(stash, CONFIG_BOOTSTAGE_STASH_SIZE); | |
701 | if (ret && ret != -ENOENT) { | |
702 | debug("Failed to unstash bootstage: err=%d\n", ret); | |
703 | return ret; | |
704 | } | |
705 | } | |
b383d6c0 | 706 | |
1938f4a5 SG |
707 | bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f"); |
708 | ||
709 | return 0; | |
710 | } | |
711 | ||
9854a874 SG |
712 | static int initf_console_record(void) |
713 | { | |
f1896c45 | 714 | #if defined(CONFIG_CONSOLE_RECORD) && CONFIG_VAL(SYS_MALLOC_F_LEN) |
9854a874 SG |
715 | return console_record_init(); |
716 | #else | |
717 | return 0; | |
718 | #endif | |
719 | } | |
720 | ||
ab7cd627 SG |
721 | static int initf_dm(void) |
722 | { | |
f1896c45 | 723 | #if defined(CONFIG_DM) && CONFIG_VAL(SYS_MALLOC_F_LEN) |
ab7cd627 SG |
724 | int ret; |
725 | ||
63c5bf48 | 726 | bootstage_start(BOOTSTATE_ID_ACCUM_DM_F, "dm_f"); |
ab7cd627 | 727 | ret = dm_init_and_scan(true); |
63c5bf48 | 728 | bootstage_accum(BOOTSTATE_ID_ACCUM_DM_F); |
ab7cd627 SG |
729 | if (ret) |
730 | return ret; | |
731 | #endif | |
1057e6cf SG |
732 | #ifdef CONFIG_TIMER_EARLY |
733 | ret = dm_timer_init(); | |
734 | if (ret) | |
735 | return ret; | |
736 | #endif | |
ab7cd627 SG |
737 | |
738 | return 0; | |
739 | } | |
740 | ||
146251f8 SG |
741 | /* Architecture-specific memory reservation */ |
742 | __weak int reserve_arch(void) | |
743 | { | |
744 | return 0; | |
745 | } | |
746 | ||
d4c671cc SG |
747 | __weak int arch_cpu_init_dm(void) |
748 | { | |
749 | return 0; | |
750 | } | |
751 | ||
4acff452 | 752 | static const init_fnc_t init_sequence_f[] = { |
1938f4a5 | 753 | setup_mon_len, |
b45122fd | 754 | #ifdef CONFIG_OF_CONTROL |
0879361f | 755 | fdtdec_setup, |
b45122fd | 756 | #endif |
d210718d | 757 | #ifdef CONFIG_TRACE |
71c52dba | 758 | trace_early_init, |
d210718d | 759 | #endif |
768e0f52 | 760 | initf_malloc, |
af1bc0cf | 761 | log_init, |
5ac44a55 | 762 | initf_bootstage, /* uses its own timer, so does not need DM */ |
9854a874 | 763 | initf_console_record, |
671549e5 SG |
764 | #if defined(CONFIG_HAVE_FSP) |
765 | arch_fsp_init, | |
e4fef6cf | 766 | #endif |
1938f4a5 | 767 | arch_cpu_init, /* basic arch cpu dependent setup */ |
8ebf5069 | 768 | mach_cpu_init, /* SoC/machine dependent CPU setup */ |
3ea0953d | 769 | initf_dm, |
d4c671cc | 770 | arch_cpu_init_dm, |
1938f4a5 SG |
771 | #if defined(CONFIG_BOARD_EARLY_INIT_F) |
772 | board_early_init_f, | |
773 | #endif | |
727e94a4 | 774 | #if defined(CONFIG_PPC) || defined(CONFIG_SYS_FSL_CLK) || defined(CONFIG_M68K) |
c252c068 | 775 | /* get CPU and bus clocks according to the environment variable */ |
e4fef6cf | 776 | get_clocks, /* get CPU and bus clocks (etc.) */ |
1793e782 | 777 | #endif |
0ce45287 | 778 | #if !defined(CONFIG_M68K) |
1938f4a5 | 779 | timer_init, /* initialize timer */ |
0ce45287 | 780 | #endif |
e4fef6cf SG |
781 | #if defined(CONFIG_BOARD_POSTCLK_INIT) |
782 | board_postclk_init, | |
1938f4a5 SG |
783 | #endif |
784 | env_init, /* initialize environment */ | |
785 | init_baud_rate, /* initialze baudrate settings */ | |
786 | serial_init, /* serial communications setup */ | |
787 | console_init_f, /* stage 1 init of console */ | |
788 | display_options, /* say that we are here */ | |
789 | display_text_info, /* show debugging info if required */ | |
b9153fe3 | 790 | #if defined(CONFIG_PPC) || defined(CONFIG_SH) || defined(CONFIG_X86) |
e4fef6cf SG |
791 | checkcpu, |
792 | #endif | |
cc664000 | 793 | #if defined(CONFIG_DISPLAY_CPUINFO) |
1938f4a5 | 794 | print_cpuinfo, /* display cpu info (and speed) */ |
cc664000 | 795 | #endif |
af9e6ad4 CJF |
796 | #if defined(CONFIG_DTB_RESELECT) |
797 | embedded_dtb_select, | |
798 | #endif | |
1938f4a5 | 799 | #if defined(CONFIG_DISPLAY_BOARDINFO) |
0365ffcc | 800 | show_board_info, |
e4fef6cf SG |
801 | #endif |
802 | INIT_FUNC_WATCHDOG_INIT | |
803 | #if defined(CONFIG_MISC_INIT_F) | |
804 | misc_init_f, | |
805 | #endif | |
806 | INIT_FUNC_WATCHDOG_RESET | |
69153988 | 807 | #if defined(CONFIG_SYS_I2C) |
e4fef6cf SG |
808 | init_func_i2c, |
809 | #endif | |
1fab98fb RB |
810 | #if defined(CONFIG_VID) && !defined(CONFIG_SPL) |
811 | init_func_vid, | |
812 | #endif | |
e4fef6cf SG |
813 | #if defined(CONFIG_HARD_SPI) |
814 | init_func_spi, | |
1938f4a5 SG |
815 | #endif |
816 | announce_dram_init, | |
1938f4a5 | 817 | dram_init, /* configure available RAM banks */ |
e4fef6cf SG |
818 | #ifdef CONFIG_POST |
819 | post_init_f, | |
820 | #endif | |
821 | INIT_FUNC_WATCHDOG_RESET | |
822 | #if defined(CONFIG_SYS_DRAM_TEST) | |
823 | testdram, | |
824 | #endif /* CONFIG_SYS_DRAM_TEST */ | |
825 | INIT_FUNC_WATCHDOG_RESET | |
826 | ||
1938f4a5 SG |
827 | #ifdef CONFIG_POST |
828 | init_post, | |
829 | #endif | |
e4fef6cf | 830 | INIT_FUNC_WATCHDOG_RESET |
1938f4a5 SG |
831 | /* |
832 | * Now that we have DRAM mapped and working, we can | |
833 | * relocate the code and continue running from DRAM. | |
834 | * | |
835 | * Reserve memory at end of RAM for (top down in that order): | |
836 | * - area that won't get touched by U-Boot and Linux (optional) | |
837 | * - kernel log buffer | |
838 | * - protected RAM | |
839 | * - LCD framebuffer | |
840 | * - monitor code | |
841 | * - board info struct | |
842 | */ | |
843 | setup_dest_addr, | |
1938f4a5 SG |
844 | #ifdef CONFIG_PRAM |
845 | reserve_pram, | |
846 | #endif | |
847 | reserve_round_4k, | |
80d4bcd3 | 848 | #ifdef CONFIG_ARM |
1938f4a5 SG |
849 | reserve_mmu, |
850 | #endif | |
5a541945 | 851 | reserve_video, |
8703ef3f | 852 | reserve_trace, |
1938f4a5 SG |
853 | reserve_uboot, |
854 | reserve_malloc, | |
855 | reserve_board, | |
856 | setup_machine, | |
857 | reserve_global_data, | |
858 | reserve_fdt, | |
25e7dc6a | 859 | reserve_bootstage, |
146251f8 | 860 | reserve_arch, |
1938f4a5 | 861 | reserve_stacks, |
76b00aca | 862 | dram_init_banksize, |
1938f4a5 | 863 | show_dram_config, |
e2099d78 VZ |
864 | #if defined(CONFIG_M68K) || defined(CONFIG_MIPS) || defined(CONFIG_PPC) || \ |
865 | defined(CONFIG_SH) | |
e4fef6cf | 866 | setup_board_part1, |
fb3db635 DS |
867 | #endif |
868 | #if defined(CONFIG_PPC) || defined(CONFIG_M68K) | |
e4fef6cf SG |
869 | INIT_FUNC_WATCHDOG_RESET |
870 | setup_board_part2, | |
871 | #endif | |
1938f4a5 | 872 | display_new_sp, |
2a792753 | 873 | #ifdef CONFIG_OF_BOARD_FIXUP |
874 | fix_fdt, | |
e4fef6cf SG |
875 | #endif |
876 | INIT_FUNC_WATCHDOG_RESET | |
1938f4a5 | 877 | reloc_fdt, |
25e7dc6a | 878 | reloc_bootstage, |
1938f4a5 | 879 | setup_reloc, |
3fb80163 | 880 | #if defined(CONFIG_X86) || defined(CONFIG_ARC) |
313aef37 | 881 | copy_uboot_to_ram, |
313aef37 | 882 | do_elf_reloc_fixups, |
6bda55a3 | 883 | clear_bss, |
313aef37 | 884 | #endif |
de5e5cea CZ |
885 | #if defined(CONFIG_XTENSA) |
886 | clear_bss, | |
887 | #endif | |
530f27ea SG |
888 | #if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) && \ |
889 | !CONFIG_IS_ENABLED(X86_64) | |
1938f4a5 SG |
890 | jump_to_copy, |
891 | #endif | |
892 | NULL, | |
893 | }; | |
894 | ||
895 | void board_init_f(ulong boot_flags) | |
896 | { | |
1938f4a5 | 897 | gd->flags = boot_flags; |
9aed5a27 | 898 | gd->have_console = 0; |
1938f4a5 SG |
899 | |
900 | if (initcall_run_list(init_sequence_f)) | |
901 | hang(); | |
902 | ||
9b217498 | 903 | #if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) && \ |
530f27ea | 904 | !defined(CONFIG_EFI_APP) && !CONFIG_IS_ENABLED(X86_64) |
1938f4a5 SG |
905 | /* NOTREACHED - jump_to_copy() does not return */ |
906 | hang(); | |
907 | #endif | |
908 | } | |
909 | ||
3fb80163 | 910 | #if defined(CONFIG_X86) || defined(CONFIG_ARC) |
48a33806 SG |
911 | /* |
912 | * For now this code is only used on x86. | |
913 | * | |
914 | * init_sequence_f_r is the list of init functions which are run when | |
915 | * U-Boot is executing from Flash with a semi-limited 'C' environment. | |
916 | * The following limitations must be considered when implementing an | |
917 | * '_f_r' function: | |
918 | * - 'static' variables are read-only | |
919 | * - Global Data (gd->xxx) is read/write | |
920 | * | |
921 | * The '_f_r' sequence must, as a minimum, copy U-Boot to RAM (if | |
922 | * supported). It _should_, if possible, copy global data to RAM and | |
923 | * initialise the CPU caches (to speed up the relocation process) | |
924 | * | |
925 | * NOTE: At present only x86 uses this route, but it is intended that | |
926 | * all archs will move to this when generic relocation is implemented. | |
927 | */ | |
4acff452 | 928 | static const init_fnc_t init_sequence_f_r[] = { |
530f27ea | 929 | #if !CONFIG_IS_ENABLED(X86_64) |
48a33806 | 930 | init_cache_f_r, |
530f27ea | 931 | #endif |
48a33806 SG |
932 | |
933 | NULL, | |
934 | }; | |
935 | ||
936 | void board_init_f_r(void) | |
937 | { | |
938 | if (initcall_run_list(init_sequence_f_r)) | |
939 | hang(); | |
940 | ||
e4d6ab0c SG |
941 | /* |
942 | * The pre-relocation drivers may be using memory that has now gone | |
943 | * away. Mark serial as unavailable - this will fall back to the debug | |
944 | * UART if available. | |
af1bc0cf SG |
945 | * |
946 | * Do the same with log drivers since the memory may not be available. | |
e4d6ab0c | 947 | */ |
af1bc0cf | 948 | gd->flags &= ~(GD_FLG_SERIAL_READY | GD_FLG_LOG_READY); |
5ee94b4f SG |
949 | #ifdef CONFIG_TIMER |
950 | gd->timer = NULL; | |
951 | #endif | |
e4d6ab0c | 952 | |
48a33806 SG |
953 | /* |
954 | * U-Boot has been copied into SDRAM, the BSS has been cleared etc. | |
955 | * Transfer execution from Flash to RAM by calculating the address | |
956 | * of the in-RAM copy of board_init_r() and calling it | |
957 | */ | |
7bf9f20d | 958 | (board_init_r + gd->reloc_off)((gd_t *)gd, gd->relocaddr); |
48a33806 SG |
959 | |
960 | /* NOTREACHED - board_init_r() does not return */ | |
961 | hang(); | |
962 | } | |
5bcd19aa | 963 | #endif /* CONFIG_X86 */ |