blob: c959774adff386ebf2c17d14bbfeee81a286a0ec [file] [log] [blame]
Simon Glassc45e3592013-03-11 06:49:53 +00001/*
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 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +020010 * SPDX-License-Identifier: GPL-2.0+
Simon Glassc45e3592013-03-11 06:49:53 +000011 */
12
13#include <common.h>
14#include <linux/compiler.h>
15#include <version.h>
16#include <environment.h>
Simon Glassa730c5d2014-07-23 06:55:04 -060017#include <dm.h>
Simon Glassc45e3592013-03-11 06:49:53 +000018#include <fdtdec.h>
Simon Glass15393432013-04-20 08:42:41 +000019#include <fs.h>
Simon Glass50250b52013-03-11 14:30:42 +000020#if defined(CONFIG_CMD_IDE)
21#include <ide.h>
22#endif
23#include <i2c.h>
Simon Glassc45e3592013-03-11 06:49:53 +000024#include <initcall.h>
25#include <logbuff.h>
Simon Glassd1d087d2015-02-27 22:06:36 -070026#include <malloc.h>
Joe Hershberger65b905b2015-03-22 17:08:59 -050027#include <mapmem.h>
Simon Glass50250b52013-03-11 14:30:42 +000028
29/* TODO: Can we move these into arch/ headers? */
30#ifdef CONFIG_8xx
31#include <mpc8xx.h>
32#endif
33#ifdef CONFIG_5xx
34#include <mpc5xx.h>
35#endif
36#ifdef CONFIG_MPC5xxx
37#include <mpc5xxx.h>
38#endif
Gabriel Huauda0afc22014-09-03 13:57:54 -070039#if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
Gabriel Huau170ceaf2014-07-26 11:35:43 -070040#include <asm/mp.h>
41#endif
Simon Glass50250b52013-03-11 14:30:42 +000042
Simon Glass62cf9122013-04-26 02:53:43 +000043#include <os.h>
Simon Glassc45e3592013-03-11 06:49:53 +000044#include <post.h>
Simon Glass50250b52013-03-11 14:30:42 +000045#include <spi.h>
Jeroen Hofsteea802b982014-06-23 23:20:19 +020046#include <status_led.h>
Simon Glass209a1a62013-06-11 11:14:42 -070047#include <trace.h>
Simon Glass50250b52013-03-11 14:30:42 +000048#include <watchdog.h>
Simon Glass62cf9122013-04-26 02:53:43 +000049#include <asm/errno.h>
Simon Glassc45e3592013-03-11 06:49:53 +000050#include <asm/io.h>
51#include <asm/sections.h>
Alexey Brodkin913e9f02015-02-24 19:40:36 +030052#if defined(CONFIG_X86) || defined(CONFIG_ARC)
Simon Glass6d179872013-03-05 14:39:52 +000053#include <asm/init_helpers.h>
54#include <asm/relocate.h>
55#endif
Simon Glass62cf9122013-04-26 02:53:43 +000056#ifdef CONFIG_SANDBOX
57#include <asm/state.h>
58#endif
Simon Glassa730c5d2014-07-23 06:55:04 -060059#include <dm/root.h>
Simon Glassc45e3592013-03-11 06:49:53 +000060#include <linux/compiler.h>
61
62/*
63 * Pointer to initial global data area
64 *
65 * Here we initialize it if needed.
66 */
67#ifdef XTRN_DECLARE_GLOBAL_DATA_PTR
68#undef XTRN_DECLARE_GLOBAL_DATA_PTR
69#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
70DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_GD_ADDR);
71#else
72DECLARE_GLOBAL_DATA_PTR;
73#endif
74
75/*
Simon Glass839855c2015-04-28 20:25:03 -060076 * TODO(sjg@chromium.org): IMO this code should be
Simon Glassc45e3592013-03-11 06:49:53 +000077 * refactored to a single function, something like:
78 *
79 * void led_set_state(enum led_colour_t colour, int on);
80 */
81/************************************************************************
82 * Coloured LED functionality
83 ************************************************************************
84 * May be supplied by boards if desired
85 */
Jeroen Hofsteea802b982014-06-23 23:20:19 +020086__weak void coloured_LED_init(void) {}
87__weak void red_led_on(void) {}
88__weak void red_led_off(void) {}
89__weak void green_led_on(void) {}
90__weak void green_led_off(void) {}
91__weak void yellow_led_on(void) {}
92__weak void yellow_led_off(void) {}
93__weak void blue_led_on(void) {}
94__weak void blue_led_off(void) {}
Simon Glassc45e3592013-03-11 06:49:53 +000095
96/*
97 * Why is gd allocated a register? Prior to reloc it might be better to
98 * just pass it around to each function in this file?
99 *
100 * After reloc one could argue that it is hardly used and doesn't need
101 * to be in a register. Or if it is it should perhaps hold pointers to all
102 * global data for all modules, so that post-reloc we can avoid the massive
103 * literal pool we get on ARM. Or perhaps just encourage each module to use
104 * a structure...
105 */
106
107/*
108 * Could the CONFIG_SPL_BUILD infection become a flag in gd?
109 */
110
Sonic Zhangf503a522014-07-17 19:01:34 +0800111#if defined(CONFIG_WATCHDOG) || defined(CONFIG_HW_WATCHDOG)
Simon Glass50250b52013-03-11 14:30:42 +0000112static int init_func_watchdog_init(void)
113{
Sonic Zhangf503a522014-07-17 19:01:34 +0800114# if defined(CONFIG_HW_WATCHDOG) && (defined(CONFIG_BLACKFIN) || \
115 defined(CONFIG_M68K) || defined(CONFIG_MICROBLAZE) || \
Stefan Roeseee86af22015-03-10 08:04:36 +0100116 defined(CONFIG_SH) || defined(CONFIG_AT91SAM9_WATCHDOG) || \
117 defined(CONFIG_IMX_WATCHDOG))
Sonic Zhangf503a522014-07-17 19:01:34 +0800118 hw_watchdog_init();
119# endif
Simon Glass50250b52013-03-11 14:30:42 +0000120 puts(" Watchdog enabled\n");
121 WATCHDOG_RESET();
122
123 return 0;
124}
125
126int init_func_watchdog_reset(void)
127{
128 WATCHDOG_RESET();
129
130 return 0;
131}
132#endif /* CONFIG_WATCHDOG */
133
Jeroen Hofstee45846052014-10-08 22:57:22 +0200134__weak void board_add_ram_info(int use_default)
Simon Glass50250b52013-03-11 14:30:42 +0000135{
136 /* please define platform specific board_add_ram_info() */
137}
138
Simon Glassc45e3592013-03-11 06:49:53 +0000139static int init_baud_rate(void)
140{
141 gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
142 return 0;
143}
144
145static int display_text_info(void)
146{
Ben Stoltz1930e8d2015-07-31 09:31:37 -0600147#if !defined(CONFIG_SANDBOX) && !defined(CONFIG_EFI_APP)
Daniel Schwierzeck17c2af62014-11-15 23:46:53 +0100148 ulong bss_start, bss_end, text_base;
Simon Glassc45e3592013-03-11 06:49:53 +0000149
Simon Glass9c9f44a2013-03-11 07:06:48 +0000150 bss_start = (ulong)&__bss_start;
151 bss_end = (ulong)&__bss_end;
Albert ARIBAUD6e294722014-02-22 17:53:43 +0100152
Sonic Zhangf503a522014-07-17 19:01:34 +0800153#ifdef CONFIG_SYS_TEXT_BASE
Daniel Schwierzeck17c2af62014-11-15 23:46:53 +0100154 text_base = CONFIG_SYS_TEXT_BASE;
Sonic Zhangf503a522014-07-17 19:01:34 +0800155#else
Daniel Schwierzeck17c2af62014-11-15 23:46:53 +0100156 text_base = CONFIG_SYS_MONITOR_BASE;
Sonic Zhangf503a522014-07-17 19:01:34 +0800157#endif
Daniel Schwierzeck17c2af62014-11-15 23:46:53 +0100158
159 debug("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n",
160 text_base, bss_start, bss_end);
Simon Glass62cf9122013-04-26 02:53:43 +0000161#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000162
163#ifdef CONFIG_MODEM_SUPPORT
164 debug("Modem Support enabled\n");
165#endif
166#ifdef CONFIG_USE_IRQ
167 debug("IRQ Stack: %08lx\n", IRQ_STACK_START);
168 debug("FIQ Stack: %08lx\n", FIQ_STACK_START);
169#endif
170
171 return 0;
172}
173
174static int announce_dram_init(void)
175{
176 puts("DRAM: ");
177 return 0;
178}
179
angelo@sysam.itf245ae92015-02-12 01:40:17 +0100180#if defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_M68K)
Simon Glass50250b52013-03-11 14:30:42 +0000181static int init_func_ram(void)
182{
183#ifdef CONFIG_BOARD_TYPES
184 int board_type = gd->board_type;
185#else
186 int board_type = 0; /* use dummy arg */
187#endif
188
189 gd->ram_size = initdram(board_type);
190
191 if (gd->ram_size > 0)
192 return 0;
193
194 puts("*** failed ***\n");
195 return 1;
196}
197#endif
198
Simon Glassc45e3592013-03-11 06:49:53 +0000199static int show_dram_config(void)
200{
York Sun60ac15a2014-05-02 17:28:05 -0700201 unsigned long long size;
Simon Glassc45e3592013-03-11 06:49:53 +0000202
203#ifdef CONFIG_NR_DRAM_BANKS
204 int i;
205
206 debug("\nRAM Configuration:\n");
207 for (i = size = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
208 size += gd->bd->bi_dram[i].size;
Bin Mengc8964482015-08-06 01:31:20 -0700209 debug("Bank #%d: %llx ", i,
210 (unsigned long long)(gd->bd->bi_dram[i].start));
Simon Glassc45e3592013-03-11 06:49:53 +0000211#ifdef DEBUG
212 print_size(gd->bd->bi_dram[i].size, "\n");
213#endif
214 }
215 debug("\nDRAM: ");
216#else
217 size = gd->ram_size;
218#endif
219
Simon Glass50250b52013-03-11 14:30:42 +0000220 print_size(size, "");
221 board_add_ram_info(0);
222 putc('\n');
Simon Glassc45e3592013-03-11 06:49:53 +0000223
224 return 0;
225}
226
Jeroen Hofstee45846052014-10-08 22:57:22 +0200227__weak void dram_init_banksize(void)
Simon Glassc45e3592013-03-11 06:49:53 +0000228{
229#if defined(CONFIG_NR_DRAM_BANKS) && defined(CONFIG_SYS_SDRAM_BASE)
230 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
231 gd->bd->bi_dram[0].size = get_effective_memsize();
232#endif
233}
234
Heiko Schocher479a4cf2013-01-29 08:53:15 +0100235#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
Simon Glass50250b52013-03-11 14:30:42 +0000236static int init_func_i2c(void)
237{
238 puts("I2C: ");
trema6612902013-09-21 18:13:34 +0200239#ifdef CONFIG_SYS_I2C
240 i2c_init_all();
241#else
Simon Glass50250b52013-03-11 14:30:42 +0000242 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
trema6612902013-09-21 18:13:34 +0200243#endif
Simon Glass50250b52013-03-11 14:30:42 +0000244 puts("ready\n");
245 return 0;
246}
247#endif
248
249#if defined(CONFIG_HARD_SPI)
250static int init_func_spi(void)
251{
252 puts("SPI: ");
253 spi_init();
254 puts("ready\n");
255 return 0;
256}
257#endif
258
259__maybe_unused
Simon Glassc45e3592013-03-11 06:49:53 +0000260static int zero_global_data(void)
261{
262 memset((void *)gd, '\0', sizeof(gd_t));
263
264 return 0;
265}
266
267static int setup_mon_len(void)
268{
Michal Simek65e915c2014-05-08 16:08:44 +0200269#if defined(__ARM__) || defined(__MICROBLAZE__)
Albert ARIBAUD6e294722014-02-22 17:53:43 +0100270 gd->mon_len = (ulong)&__bss_end - (ulong)_start;
Ben Stoltz1930e8d2015-07-31 09:31:37 -0600271#elif defined(CONFIG_SANDBOX) || defined(CONFIG_EFI_APP)
Simon Glass62cf9122013-04-26 02:53:43 +0000272 gd->mon_len = (ulong)&_end - (ulong)_init;
Thomas Choucce3e752014-08-22 11:36:47 +0800273#elif defined(CONFIG_BLACKFIN) || defined(CONFIG_NIOS2)
Sonic Zhangf503a522014-07-17 19:01:34 +0800274 gd->mon_len = CONFIG_SYS_MONITOR_LEN;
Simon Glass9c9f44a2013-03-11 07:06:48 +0000275#else
Simon Glass50250b52013-03-11 14:30:42 +0000276 /* TODO: use (ulong)&__bss_end - (ulong)&__text_start; ? */
277 gd->mon_len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE;
Simon Glass9c9f44a2013-03-11 07:06:48 +0000278#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000279 return 0;
280}
281
282__weak int arch_cpu_init(void)
283{
284 return 0;
285}
286
Simon Glass62cf9122013-04-26 02:53:43 +0000287#ifdef CONFIG_SANDBOX
288static int setup_ram_buf(void)
289{
Simon Glass9dd10bf2013-11-10 10:27:03 -0700290 struct sandbox_state *state = state_get_current();
291
292 gd->arch.ram_buf = state->ram_buf;
293 gd->ram_size = state->ram_size;
Simon Glass62cf9122013-04-26 02:53:43 +0000294
295 return 0;
296}
297#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000298
299/* Get the top of usable RAM */
300__weak ulong board_get_usable_ram_top(ulong total_size)
301{
Stephen Warren0ba4a8a2014-12-23 10:34:49 -0700302#ifdef CONFIG_SYS_SDRAM_BASE
303 /*
Simon Glass839855c2015-04-28 20:25:03 -0600304 * Detect whether we have so much RAM that it goes past the end of our
Stephen Warren0ba4a8a2014-12-23 10:34:49 -0700305 * 32-bit address space. If so, clip the usable RAM so it doesn't.
306 */
307 if (gd->ram_top < CONFIG_SYS_SDRAM_BASE)
308 /*
309 * Will wrap back to top of 32-bit space when reservations
310 * are made.
311 */
312 return 0;
313#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000314 return gd->ram_top;
315}
316
317static int setup_dest_addr(void)
318{
319 debug("Monitor len: %08lX\n", gd->mon_len);
320 /*
321 * Ram is setup, size stored in gd !!
322 */
323 debug("Ram size: %08lX\n", (ulong)gd->ram_size);
324#if defined(CONFIG_SYS_MEM_TOP_HIDE)
325 /*
326 * Subtract specified amount of memory to hide so that it won't
327 * get "touched" at all by U-Boot. By fixing up gd->ram_size
328 * the Linux kernel should now get passed the now "corrected"
329 * memory size and won't touch it either. This should work
330 * for arch/ppc and arch/powerpc. Only Linux board ports in
331 * arch/powerpc with bootwrapper support, that recalculate the
332 * memory size from the SDRAM controller setup will have to
333 * get fixed.
334 */
335 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
336#endif
337#ifdef CONFIG_SYS_SDRAM_BASE
338 gd->ram_top = CONFIG_SYS_SDRAM_BASE;
339#endif
Simon Glass50250b52013-03-11 14:30:42 +0000340 gd->ram_top += get_effective_memsize();
Simon Glassc45e3592013-03-11 06:49:53 +0000341 gd->ram_top = board_get_usable_ram_top(gd->mon_len);
Masahiro Yamadad1589242013-05-27 00:37:30 +0000342 gd->relocaddr = gd->ram_top;
Simon Glassc45e3592013-03-11 06:49:53 +0000343 debug("Ram top: %08lX\n", (ulong)gd->ram_top);
Gabriel Huauda0afc22014-09-03 13:57:54 -0700344#if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
Simon Glass50250b52013-03-11 14:30:42 +0000345 /*
346 * We need to make sure the location we intend to put secondary core
347 * boot code is reserved and not used by any part of u-boot
348 */
Masahiro Yamadad1589242013-05-27 00:37:30 +0000349 if (gd->relocaddr > determine_mp_bootpg(NULL)) {
350 gd->relocaddr = determine_mp_bootpg(NULL);
351 debug("Reserving MP boot page to %08lx\n", gd->relocaddr);
Simon Glass50250b52013-03-11 14:30:42 +0000352 }
353#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000354 return 0;
355}
356
357#if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR)
358static int reserve_logbuffer(void)
359{
360 /* reserve kernel log buffer */
Masahiro Yamadad1589242013-05-27 00:37:30 +0000361 gd->relocaddr -= LOGBUFF_RESERVE;
Simon Glassc45e3592013-03-11 06:49:53 +0000362 debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN,
Masahiro Yamadad1589242013-05-27 00:37:30 +0000363 gd->relocaddr);
Simon Glassc45e3592013-03-11 06:49:53 +0000364 return 0;
365}
366#endif
367
368#ifdef CONFIG_PRAM
369/* reserve protected RAM */
370static int reserve_pram(void)
371{
372 ulong reg;
373
374 reg = getenv_ulong("pram", 10, CONFIG_PRAM);
Masahiro Yamadad1589242013-05-27 00:37:30 +0000375 gd->relocaddr -= (reg << 10); /* size is in kB */
Simon Glassc45e3592013-03-11 06:49:53 +0000376 debug("Reserving %ldk for protected RAM at %08lx\n", reg,
Masahiro Yamadad1589242013-05-27 00:37:30 +0000377 gd->relocaddr);
Simon Glassc45e3592013-03-11 06:49:53 +0000378 return 0;
379}
380#endif /* CONFIG_PRAM */
381
382/* Round memory pointer down to next 4 kB limit */
383static int reserve_round_4k(void)
384{
Masahiro Yamadad1589242013-05-27 00:37:30 +0000385 gd->relocaddr &= ~(4096 - 1);
Simon Glassc45e3592013-03-11 06:49:53 +0000386 return 0;
387}
388
389#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \
390 defined(CONFIG_ARM)
391static int reserve_mmu(void)
392{
393 /* reserve TLB table */
David Feng1735de82013-12-14 11:47:36 +0800394 gd->arch.tlb_size = PGTABLE_SIZE;
Masahiro Yamadad1589242013-05-27 00:37:30 +0000395 gd->relocaddr -= gd->arch.tlb_size;
Simon Glassc45e3592013-03-11 06:49:53 +0000396
397 /* round down to next 64 kB limit */
Masahiro Yamadad1589242013-05-27 00:37:30 +0000398 gd->relocaddr &= ~(0x10000 - 1);
Simon Glassc45e3592013-03-11 06:49:53 +0000399
Masahiro Yamadad1589242013-05-27 00:37:30 +0000400 gd->arch.tlb_addr = gd->relocaddr;
Simon Glassc45e3592013-03-11 06:49:53 +0000401 debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr,
402 gd->arch.tlb_addr + gd->arch.tlb_size);
403 return 0;
404}
405#endif
406
407#ifdef CONFIG_LCD
408static int reserve_lcd(void)
409{
410#ifdef CONFIG_FB_ADDR
411 gd->fb_base = CONFIG_FB_ADDR;
412#else
413 /* reserve memory for LCD display (always full pages) */
Masahiro Yamadad1589242013-05-27 00:37:30 +0000414 gd->relocaddr = lcd_setmem(gd->relocaddr);
415 gd->fb_base = gd->relocaddr;
Simon Glassc45e3592013-03-11 06:49:53 +0000416#endif /* CONFIG_FB_ADDR */
417 return 0;
418}
419#endif /* CONFIG_LCD */
420
Simon Glass209a1a62013-06-11 11:14:42 -0700421static int reserve_trace(void)
422{
423#ifdef CONFIG_TRACE
424 gd->relocaddr -= CONFIG_TRACE_BUFFER_SIZE;
425 gd->trace_buff = map_sysmem(gd->relocaddr, CONFIG_TRACE_BUFFER_SIZE);
426 debug("Reserving %dk for trace data at: %08lx\n",
427 CONFIG_TRACE_BUFFER_SIZE >> 10, gd->relocaddr);
428#endif
429
430 return 0;
431}
432
Sonic Zhangf503a522014-07-17 19:01:34 +0800433#if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) && \
434 !defined(CONFIG_ARM) && !defined(CONFIG_X86) && \
angelo@sysam.ite23aed32015-03-28 11:34:52 +0100435 !defined(CONFIG_BLACKFIN) && !defined(CONFIG_M68K)
Simon Glass50250b52013-03-11 14:30:42 +0000436static int reserve_video(void)
437{
438 /* reserve memory for video display (always full pages) */
Masahiro Yamadad1589242013-05-27 00:37:30 +0000439 gd->relocaddr = video_setmem(gd->relocaddr);
440 gd->fb_base = gd->relocaddr;
Simon Glass50250b52013-03-11 14:30:42 +0000441
442 return 0;
443}
444#endif
445
Simon Glassc45e3592013-03-11 06:49:53 +0000446static int reserve_uboot(void)
447{
448 /*
449 * reserve memory for U-Boot code, data & bss
450 * round down to next 4 kB limit
451 */
Masahiro Yamadad1589242013-05-27 00:37:30 +0000452 gd->relocaddr -= gd->mon_len;
453 gd->relocaddr &= ~(4096 - 1);
Simon Glass50250b52013-03-11 14:30:42 +0000454#ifdef CONFIG_E500
455 /* round down to next 64 kB limit so that IVPR stays aligned */
Masahiro Yamadad1589242013-05-27 00:37:30 +0000456 gd->relocaddr &= ~(65536 - 1);
Simon Glass50250b52013-03-11 14:30:42 +0000457#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000458
459 debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10,
Masahiro Yamadad1589242013-05-27 00:37:30 +0000460 gd->relocaddr);
461
462 gd->start_addr_sp = gd->relocaddr;
463
Simon Glassc45e3592013-03-11 06:49:53 +0000464 return 0;
465}
466
Simon Glass4d2aee82013-03-05 14:39:45 +0000467#ifndef CONFIG_SPL_BUILD
Simon Glassc45e3592013-03-11 06:49:53 +0000468/* reserve memory for malloc() area */
469static int reserve_malloc(void)
470{
Masahiro Yamadad1589242013-05-27 00:37:30 +0000471 gd->start_addr_sp = gd->start_addr_sp - TOTAL_MALLOC_LEN;
Simon Glassc45e3592013-03-11 06:49:53 +0000472 debug("Reserving %dk for malloc() at: %08lx\n",
Masahiro Yamadad1589242013-05-27 00:37:30 +0000473 TOTAL_MALLOC_LEN >> 10, gd->start_addr_sp);
Simon Glassc45e3592013-03-11 06:49:53 +0000474 return 0;
475}
476
477/* (permanently) allocate a Board Info struct */
478static int reserve_board(void)
479{
Sonic Zhangf503a522014-07-17 19:01:34 +0800480 if (!gd->bd) {
481 gd->start_addr_sp -= sizeof(bd_t);
482 gd->bd = (bd_t *)map_sysmem(gd->start_addr_sp, sizeof(bd_t));
483 memset(gd->bd, '\0', sizeof(bd_t));
484 debug("Reserving %zu Bytes for Board Info at: %08lx\n",
485 sizeof(bd_t), gd->start_addr_sp);
486 }
Simon Glassc45e3592013-03-11 06:49:53 +0000487 return 0;
488}
Simon Glass4d2aee82013-03-05 14:39:45 +0000489#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000490
491static int setup_machine(void)
492{
493#ifdef CONFIG_MACH_TYPE
494 gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */
495#endif
496 return 0;
497}
498
499static int reserve_global_data(void)
500{
Masahiro Yamadad1589242013-05-27 00:37:30 +0000501 gd->start_addr_sp -= sizeof(gd_t);
Simon Glass862396c2015-08-10 20:44:29 -0600502 gd->start_addr_sp &= ~0xf;
Masahiro Yamadad1589242013-05-27 00:37:30 +0000503 gd->new_gd = (gd_t *)map_sysmem(gd->start_addr_sp, sizeof(gd_t));
Simon Glassc45e3592013-03-11 06:49:53 +0000504 debug("Reserving %zu Bytes for Global Data at: %08lx\n",
Masahiro Yamadad1589242013-05-27 00:37:30 +0000505 sizeof(gd_t), gd->start_addr_sp);
Simon Glassc45e3592013-03-11 06:49:53 +0000506 return 0;
507}
508
509static int reserve_fdt(void)
510{
511 /*
Simon Glass839855c2015-04-28 20:25:03 -0600512 * If the device tree is sitting immediately above our image then we
Simon Glassc45e3592013-03-11 06:49:53 +0000513 * must relocate it. If it is embedded in the data section, then it
514 * will be relocated with other data.
515 */
516 if (gd->fdt_blob) {
517 gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32);
518
Masahiro Yamadad1589242013-05-27 00:37:30 +0000519 gd->start_addr_sp -= gd->fdt_size;
520 gd->new_fdt = map_sysmem(gd->start_addr_sp, gd->fdt_size);
Simon Glass62cf9122013-04-26 02:53:43 +0000521 debug("Reserving %lu Bytes for FDT at: %08lx\n",
Masahiro Yamadad1589242013-05-27 00:37:30 +0000522 gd->fdt_size, gd->start_addr_sp);
Simon Glassc45e3592013-03-11 06:49:53 +0000523 }
524
525 return 0;
526}
527
Andreas Bießmann25429862015-02-06 23:06:45 +0100528int arch_reserve_stacks(void)
Simon Glassc45e3592013-03-11 06:49:53 +0000529{
Andreas Bießmann25429862015-02-06 23:06:45 +0100530 return 0;
531}
Simon Glass4d2aee82013-03-05 14:39:45 +0000532
Andreas Bießmann25429862015-02-06 23:06:45 +0100533static int reserve_stacks(void)
534{
535 /* make stack pointer 16-byte aligned */
Masahiro Yamadad1589242013-05-27 00:37:30 +0000536 gd->start_addr_sp -= 16;
537 gd->start_addr_sp &= ~0xf;
Simon Glassc45e3592013-03-11 06:49:53 +0000538
539 /*
Simon Glass839855c2015-04-28 20:25:03 -0600540 * let the architecture-specific code tailor gd->start_addr_sp and
Andreas Bießmann25429862015-02-06 23:06:45 +0100541 * gd->irq_sp
Simon Glassc45e3592013-03-11 06:49:53 +0000542 */
Andreas Bießmann25429862015-02-06 23:06:45 +0100543 return arch_reserve_stacks();
Simon Glassc45e3592013-03-11 06:49:53 +0000544}
545
546static int display_new_sp(void)
547{
Masahiro Yamadad1589242013-05-27 00:37:30 +0000548 debug("New Stack Pointer is: %08lx\n", gd->start_addr_sp);
Simon Glassc45e3592013-03-11 06:49:53 +0000549
550 return 0;
551}
552
angelo@sysam.itf245ae92015-02-12 01:40:17 +0100553#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
Simon Glass50250b52013-03-11 14:30:42 +0000554static int setup_board_part1(void)
555{
556 bd_t *bd = gd->bd;
557
558 /*
559 * Save local variables to board info struct
560 */
Simon Glass50250b52013-03-11 14:30:42 +0000561 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of memory */
562 bd->bi_memsize = gd->ram_size; /* size in bytes */
563
564#ifdef CONFIG_SYS_SRAM_BASE
565 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM */
566 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM */
567#endif
568
Masahiro Yamada5a2bf982014-03-05 17:40:10 +0900569#if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) || defined(CONFIG_5xx) || \
Simon Glass50250b52013-03-11 14:30:42 +0000570 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
571 bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
572#endif
angelo@sysam.itf245ae92015-02-12 01:40:17 +0100573#if defined(CONFIG_MPC5xxx) || defined(CONFIG_M68K)
Simon Glass50250b52013-03-11 14:30:42 +0000574 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
575#endif
576#if defined(CONFIG_MPC83xx)
577 bd->bi_immrbar = CONFIG_SYS_IMMR;
578#endif
Simon Glass50250b52013-03-11 14:30:42 +0000579
580 return 0;
581}
582
583static int setup_board_part2(void)
584{
585 bd_t *bd = gd->bd;
586
587 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
588 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
589#if defined(CONFIG_CPM2)
590 bd->bi_cpmfreq = gd->arch.cpm_clk;
591 bd->bi_brgfreq = gd->arch.brg_clk;
592 bd->bi_sccfreq = gd->arch.scc_clk;
593 bd->bi_vco = gd->arch.vco_out;
594#endif /* CONFIG_CPM2 */
595#if defined(CONFIG_MPC512X)
596 bd->bi_ipsfreq = gd->arch.ips_clk;
597#endif /* CONFIG_MPC512X */
598#if defined(CONFIG_MPC5xxx)
599 bd->bi_ipbfreq = gd->arch.ipb_clk;
600 bd->bi_pcifreq = gd->pci_clk;
601#endif /* CONFIG_MPC5xxx */
Alison Wang8f6d8f32015-02-12 18:33:15 +0800602#if defined(CONFIG_M68K) && defined(CONFIG_PCI)
603 bd->bi_pcifreq = gd->pci_clk;
604#endif
605#if defined(CONFIG_EXTRA_CLOCK)
606 bd->bi_inpfreq = gd->arch.inp_clk; /* input Freq in Hz */
607 bd->bi_vcofreq = gd->arch.vco_clk; /* vco Freq in Hz */
608 bd->bi_flbfreq = gd->arch.flb_clk; /* flexbus Freq in Hz */
609#endif
Simon Glass50250b52013-03-11 14:30:42 +0000610
611 return 0;
612}
613#endif
614
615#ifdef CONFIG_SYS_EXTBDINFO
616static int setup_board_extra(void)
617{
618 bd_t *bd = gd->bd;
619
620 strncpy((char *) bd->bi_s_version, "1.2", sizeof(bd->bi_s_version));
621 strncpy((char *) bd->bi_r_version, U_BOOT_VERSION,
622 sizeof(bd->bi_r_version));
623
624 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
625 bd->bi_plb_busfreq = gd->bus_clk;
626#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
627 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
628 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
629 bd->bi_pci_busfreq = get_PCI_freq();
630 bd->bi_opbfreq = get_OPB_freq();
631#elif defined(CONFIG_XILINX_405)
632 bd->bi_pci_busfreq = get_PCI_freq();
633#endif
634
635 return 0;
636}
637#endif
638
Simon Glassc45e3592013-03-11 06:49:53 +0000639#ifdef CONFIG_POST
640static int init_post(void)
641{
642 post_bootmode_init();
643 post_run(NULL, POST_ROM | post_bootmode_get(0));
644
645 return 0;
646}
647#endif
648
Simon Glassc45e3592013-03-11 06:49:53 +0000649static int setup_dram_config(void)
650{
651 /* Ram is board specific, so move it to board code ... */
652 dram_init_banksize();
653
654 return 0;
655}
656
657static int reloc_fdt(void)
658{
Simon Glass00dd17a2015-08-04 12:33:39 -0600659 if (gd->flags & GD_FLG_SKIP_RELOC)
660 return 0;
Simon Glassc45e3592013-03-11 06:49:53 +0000661 if (gd->new_fdt) {
662 memcpy(gd->new_fdt, gd->fdt_blob, gd->fdt_size);
663 gd->fdt_blob = gd->new_fdt;
664 }
665
666 return 0;
667}
668
669static int setup_reloc(void)
670{
Simon Glass00dd17a2015-08-04 12:33:39 -0600671 if (gd->flags & GD_FLG_SKIP_RELOC) {
672 debug("Skipping relocation due to flag\n");
673 return 0;
674 }
675
Sonic Zhangf503a522014-07-17 19:01:34 +0800676#ifdef CONFIG_SYS_TEXT_BASE
Masahiro Yamadad1589242013-05-27 00:37:30 +0000677 gd->reloc_off = gd->relocaddr - CONFIG_SYS_TEXT_BASE;
angelo@sysam.itf245ae92015-02-12 01:40:17 +0100678#ifdef CONFIG_M68K
679 /*
680 * On all ColdFire arch cpu, monitor code starts always
681 * just after the default vector table location, so at 0x400
682 */
683 gd->reloc_off = gd->relocaddr - (CONFIG_SYS_TEXT_BASE + 0x400);
684#endif
Sonic Zhangf503a522014-07-17 19:01:34 +0800685#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000686 memcpy(gd->new_gd, (char *)gd, sizeof(gd_t));
687
688 debug("Relocation Offset is: %08lx\n", gd->reloc_off);
Simon Glass62cf9122013-04-26 02:53:43 +0000689 debug("Relocating to %08lx, new gd at %08lx, sp at %08lx\n",
Masahiro Yamadad1589242013-05-27 00:37:30 +0000690 gd->relocaddr, (ulong)map_to_sysmem(gd->new_gd),
691 gd->start_addr_sp);
Simon Glassc45e3592013-03-11 06:49:53 +0000692
693 return 0;
694}
695
696/* ARM calls relocate_code from its crt0.S */
Simon Glass2fd34e62013-11-10 10:26:59 -0700697#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX)
Simon Glassc45e3592013-03-11 06:49:53 +0000698
699static int jump_to_copy(void)
700{
Simon Glass00dd17a2015-08-04 12:33:39 -0600701 if (gd->flags & GD_FLG_SKIP_RELOC)
702 return 0;
Simon Glass6d179872013-03-05 14:39:52 +0000703 /*
704 * x86 is special, but in a nice way. It uses a trampoline which
705 * enables the dcache if possible.
706 *
707 * For now, other archs use relocate_code(), which is implemented
708 * similarly for all archs. When we do generic relocation, hopefully
709 * we can make all archs enable the dcache prior to relocation.
710 */
Alexey Brodkin913e9f02015-02-24 19:40:36 +0300711#if defined(CONFIG_X86) || defined(CONFIG_ARC)
Simon Glass6d179872013-03-05 14:39:52 +0000712 /*
713 * SDRAM and console are now initialised. The final stack can now
714 * be setup in SDRAM. Code execution will continue in Flash, but
715 * with the stack in SDRAM and Global Data in temporary memory
716 * (CPU cache)
717 */
Simon Glass0e27b872015-08-10 20:44:32 -0600718 arch_setup_gd(gd->new_gd);
Simon Glass6d179872013-03-05 14:39:52 +0000719 board_init_f_r_trampoline(gd->start_addr_sp);
720#else
Masahiro Yamadad1589242013-05-27 00:37:30 +0000721 relocate_code(gd->start_addr_sp, gd->new_gd, gd->relocaddr);
Simon Glass6d179872013-03-05 14:39:52 +0000722#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000723
724 return 0;
725}
726#endif
727
728/* Record the board_init_f() bootstage (after arch_cpu_init()) */
729static int mark_bootstage(void)
730{
731 bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f");
732
733 return 0;
734}
735
Simon Glassa730c5d2014-07-23 06:55:04 -0600736static int initf_dm(void)
737{
738#if defined(CONFIG_DM) && defined(CONFIG_SYS_MALLOC_F_LEN)
739 int ret;
740
741 ret = dm_init_and_scan(true);
742 if (ret)
743 return ret;
744#endif
745
746 return 0;
747}
748
Simon Glass5ded7e52015-01-19 22:16:12 -0700749/* Architecture-specific memory reservation */
750__weak int reserve_arch(void)
751{
752 return 0;
753}
754
Simon Glass7af8d052015-03-05 12:25:16 -0700755__weak int arch_cpu_init_dm(void)
756{
757 return 0;
758}
759
Simon Glassc45e3592013-03-11 06:49:53 +0000760static init_fnc_t init_sequence_f[] = {
Simon Glass62cf9122013-04-26 02:53:43 +0000761#ifdef CONFIG_SANDBOX
762 setup_ram_buf,
763#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000764 setup_mon_len,
Simon Glass26b78b22015-02-27 22:06:34 -0700765#ifdef CONFIG_OF_CONTROL
Simon Glassa0877672015-02-27 22:06:35 -0700766 fdtdec_setup,
Simon Glass26b78b22015-02-27 22:06:34 -0700767#endif
Bin Mengd560c5c2015-06-07 11:33:14 +0800768#if defined(CONFIG_X86) && defined(CONFIG_HAVE_FSP)
769 x86_fsp_init,
770#endif
Kevin Hilman676f0192014-12-09 15:03:58 -0800771#ifdef CONFIG_TRACE
Simon Glass209a1a62013-06-11 11:14:42 -0700772 trace_early_init,
Kevin Hilman676f0192014-12-09 15:03:58 -0800773#endif
Simon Glasscfcb8862014-11-10 18:00:18 -0700774 initf_malloc,
Simon Glass50250b52013-03-11 14:30:42 +0000775#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
776 /* TODO: can this go into arch_cpu_init()? */
777 probecpu,
778#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000779 arch_cpu_init, /* basic arch cpu dependent setup */
780 mark_bootstage,
Simon Glass6df5de22014-09-03 17:36:59 -0600781 initf_dm,
Simon Glass7af8d052015-03-05 12:25:16 -0700782 arch_cpu_init_dm,
Simon Glassc45e3592013-03-11 06:49:53 +0000783#if defined(CONFIG_BOARD_EARLY_INIT_F)
784 board_early_init_f,
785#endif
Simon Glass50250b52013-03-11 14:30:42 +0000786 /* TODO: can any of this go into arch_cpu_init()? */
787#if defined(CONFIG_PPC) && !defined(CONFIG_8xx_CPUCLK_DEFAULT)
788 get_clocks, /* get CPU and bus clocks (etc.) */
789#if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
790 && !defined(CONFIG_TQM885D)
791 adjust_sdram_tbs_8xx,
792#endif
793 /* TODO: can we rename this to timer_init()? */
794 init_timebase,
795#endif
Sonic Zhangf503a522014-07-17 19:01:34 +0800796#if defined(CONFIG_ARM) || defined(CONFIG_MIPS) || defined(CONFIG_BLACKFIN)
Simon Glassc45e3592013-03-11 06:49:53 +0000797 timer_init, /* initialize timer */
Simon Glass50250b52013-03-11 14:30:42 +0000798#endif
Simon Glass50250b52013-03-11 14:30:42 +0000799#ifdef CONFIG_SYS_ALLOC_DPRAM
800#if !defined(CONFIG_CPM2)
801 dpram_init,
802#endif
803#endif
804#if defined(CONFIG_BOARD_POSTCLK_INIT)
805 board_postclk_init,
806#endif
Masahiro Yamada4b989cc2013-05-21 21:08:09 +0000807#ifdef CONFIG_FSL_ESDHC
808 get_clocks,
809#endif
angelo@sysam.itf245ae92015-02-12 01:40:17 +0100810#ifdef CONFIG_M68K
811 get_clocks,
812#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000813 env_init, /* initialize environment */
Simon Glass50250b52013-03-11 14:30:42 +0000814#if defined(CONFIG_8xx_CPUCLK_DEFAULT)
815 /* get CPU and bus clocks according to the environment variable */
816 get_clocks_866,
817 /* adjust sdram refresh rate according to the new clock */
818 sdram_adjust_866,
819 init_timebase,
820#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000821 init_baud_rate, /* initialze baudrate settings */
822 serial_init, /* serial communications setup */
823 console_init_f, /* stage 1 init of console */
Simon Glass62cf9122013-04-26 02:53:43 +0000824#ifdef CONFIG_SANDBOX
825 sandbox_early_getopt_check,
826#endif
827#ifdef CONFIG_OF_CONTROL
828 fdtdec_prepare_fdt,
Simon Glass6d179872013-03-05 14:39:52 +0000829#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000830 display_options, /* say that we are here */
831 display_text_info, /* show debugging info if required */
Masahiro Yamada5a2bf982014-03-05 17:40:10 +0900832#if defined(CONFIG_MPC8260)
Simon Glass50250b52013-03-11 14:30:42 +0000833 prt_8260_rsr,
834 prt_8260_clks,
Masahiro Yamada5a2bf982014-03-05 17:40:10 +0900835#endif /* CONFIG_MPC8260 */
Simon Glass50250b52013-03-11 14:30:42 +0000836#if defined(CONFIG_MPC83xx)
837 prt_83xx_rsr,
838#endif
angelo@sysam.itf245ae92015-02-12 01:40:17 +0100839#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
Simon Glass50250b52013-03-11 14:30:42 +0000840 checkcpu,
841#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000842 print_cpuinfo, /* display cpu info (and speed) */
Simon Glass50250b52013-03-11 14:30:42 +0000843#if defined(CONFIG_MPC5xxx)
844 prt_mpc5xxx_clks,
845#endif /* CONFIG_MPC5xxx */
Simon Glassc45e3592013-03-11 06:49:53 +0000846#if defined(CONFIG_DISPLAY_BOARDINFO)
Masahiro Yamada9607f7a2015-01-14 17:07:05 +0900847 show_board_info,
Simon Glassc45e3592013-03-11 06:49:53 +0000848#endif
Simon Glass50250b52013-03-11 14:30:42 +0000849 INIT_FUNC_WATCHDOG_INIT
850#if defined(CONFIG_MISC_INIT_F)
851 misc_init_f,
852#endif
853 INIT_FUNC_WATCHDOG_RESET
Heiko Schocher479a4cf2013-01-29 08:53:15 +0100854#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
Simon Glass50250b52013-03-11 14:30:42 +0000855 init_func_i2c,
856#endif
857#if defined(CONFIG_HARD_SPI)
858 init_func_spi,
859#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000860 announce_dram_init,
861 /* TODO: unify all these dram functions? */
Andreas Bießmannc1d09172015-02-06 23:06:48 +0100862#if defined(CONFIG_ARM) || defined(CONFIG_X86) || defined(CONFIG_MICROBLAZE) || defined(CONFIG_AVR32)
Simon Glassc45e3592013-03-11 06:49:53 +0000863 dram_init, /* configure available RAM banks */
864#endif
angelo@sysam.itf245ae92015-02-12 01:40:17 +0100865#if defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_M68K)
Simon Glass50250b52013-03-11 14:30:42 +0000866 init_func_ram,
867#endif
868#ifdef CONFIG_POST
869 post_init_f,
870#endif
871 INIT_FUNC_WATCHDOG_RESET
872#if defined(CONFIG_SYS_DRAM_TEST)
873 testdram,
874#endif /* CONFIG_SYS_DRAM_TEST */
875 INIT_FUNC_WATCHDOG_RESET
876
Simon Glassc45e3592013-03-11 06:49:53 +0000877#ifdef CONFIG_POST
878 init_post,
879#endif
Simon Glass50250b52013-03-11 14:30:42 +0000880 INIT_FUNC_WATCHDOG_RESET
Simon Glassc45e3592013-03-11 06:49:53 +0000881 /*
882 * Now that we have DRAM mapped and working, we can
883 * relocate the code and continue running from DRAM.
884 *
885 * Reserve memory at end of RAM for (top down in that order):
886 * - area that won't get touched by U-Boot and Linux (optional)
887 * - kernel log buffer
888 * - protected RAM
889 * - LCD framebuffer
890 * - monitor code
891 * - board info struct
892 */
893 setup_dest_addr,
Thomas Choucce3e752014-08-22 11:36:47 +0800894#if defined(CONFIG_BLACKFIN) || defined(CONFIG_NIOS2)
Sonic Zhangf503a522014-07-17 19:01:34 +0800895 /* Blackfin u-boot monitor should be on top of the ram */
896 reserve_uboot,
897#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000898#if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR)
899 reserve_logbuffer,
900#endif
901#ifdef CONFIG_PRAM
902 reserve_pram,
903#endif
904 reserve_round_4k,
905#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \
906 defined(CONFIG_ARM)
907 reserve_mmu,
908#endif
909#ifdef CONFIG_LCD
910 reserve_lcd,
911#endif
Simon Glass209a1a62013-06-11 11:14:42 -0700912 reserve_trace,
Simon Glass50250b52013-03-11 14:30:42 +0000913 /* TODO: Why the dependency on CONFIG_8xx? */
Sonic Zhangf503a522014-07-17 19:01:34 +0800914#if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) && \
915 !defined(CONFIG_ARM) && !defined(CONFIG_X86) && \
angelo@sysam.ite23aed32015-03-28 11:34:52 +0100916 !defined(CONFIG_BLACKFIN) && !defined(CONFIG_M68K)
Simon Glass50250b52013-03-11 14:30:42 +0000917 reserve_video,
918#endif
Thomas Choucce3e752014-08-22 11:36:47 +0800919#if !defined(CONFIG_BLACKFIN) && !defined(CONFIG_NIOS2)
Simon Glassc45e3592013-03-11 06:49:53 +0000920 reserve_uboot,
Sonic Zhangf503a522014-07-17 19:01:34 +0800921#endif
Simon Glass4d2aee82013-03-05 14:39:45 +0000922#ifndef CONFIG_SPL_BUILD
Simon Glassc45e3592013-03-11 06:49:53 +0000923 reserve_malloc,
924 reserve_board,
Simon Glass4d2aee82013-03-05 14:39:45 +0000925#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000926 setup_machine,
927 reserve_global_data,
928 reserve_fdt,
Simon Glass5ded7e52015-01-19 22:16:12 -0700929 reserve_arch,
Simon Glassc45e3592013-03-11 06:49:53 +0000930 reserve_stacks,
931 setup_dram_config,
932 show_dram_config,
angelo@sysam.itf245ae92015-02-12 01:40:17 +0100933#if defined(CONFIG_PPC) || defined(CONFIG_M68K)
Simon Glass50250b52013-03-11 14:30:42 +0000934 setup_board_part1,
935 INIT_FUNC_WATCHDOG_RESET
936 setup_board_part2,
937#endif
Simon Glassc45e3592013-03-11 06:49:53 +0000938 display_new_sp,
Simon Glass50250b52013-03-11 14:30:42 +0000939#ifdef CONFIG_SYS_EXTBDINFO
940 setup_board_extra,
941#endif
942 INIT_FUNC_WATCHDOG_RESET
Simon Glassc45e3592013-03-11 06:49:53 +0000943 reloc_fdt,
944 setup_reloc,
Alexey Brodkin913e9f02015-02-24 19:40:36 +0300945#if defined(CONFIG_X86) || defined(CONFIG_ARC)
Simon Glassd50b2f42015-01-01 16:18:09 -0700946 copy_uboot_to_ram,
947 clear_bss,
948 do_elf_reloc_fixups,
949#endif
Simon Glass2fd34e62013-11-10 10:26:59 -0700950#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX)
Simon Glassc45e3592013-03-11 06:49:53 +0000951 jump_to_copy,
952#endif
953 NULL,
954};
955
956void board_init_f(ulong boot_flags)
957{
York Sun021d2022014-05-02 17:28:04 -0700958#ifdef CONFIG_SYS_GENERIC_GLOBAL_DATA
959 /*
960 * For some archtectures, global data is initialized and used before
961 * calling this function. The data should be preserved. For others,
962 * CONFIG_SYS_GENERIC_GLOBAL_DATA should be defined and use the stack
963 * here to host global data until relocation.
964 */
Simon Glassc45e3592013-03-11 06:49:53 +0000965 gd_t data;
966
967 gd = &data;
968
David Feng1735de82013-12-14 11:47:36 +0800969 /*
970 * Clear global data before it is accessed at debug print
971 * in initcall_run_list. Otherwise the debug print probably
972 * get the wrong vaule of gd->have_console.
973 */
David Feng1735de82013-12-14 11:47:36 +0800974 zero_global_data();
975#endif
976
Simon Glassc45e3592013-03-11 06:49:53 +0000977 gd->flags = boot_flags;
Alexey Brodkin07236912013-11-27 22:32:40 +0400978 gd->have_console = 0;
Simon Glassc45e3592013-03-11 06:49:53 +0000979
980 if (initcall_run_list(init_sequence_f))
981 hang();
982
Ben Stoltz1930e8d2015-07-31 09:31:37 -0600983#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) && \
984 !defined(CONFIG_EFI_APP)
Simon Glassc45e3592013-03-11 06:49:53 +0000985 /* NOTREACHED - jump_to_copy() does not return */
986 hang();
987#endif
988}
Simon Glass6d179872013-03-05 14:39:52 +0000989
Alexey Brodkin913e9f02015-02-24 19:40:36 +0300990#if defined(CONFIG_X86) || defined(CONFIG_ARC)
Simon Glass6d179872013-03-05 14:39:52 +0000991/*
992 * For now this code is only used on x86.
993 *
994 * init_sequence_f_r is the list of init functions which are run when
995 * U-Boot is executing from Flash with a semi-limited 'C' environment.
996 * The following limitations must be considered when implementing an
997 * '_f_r' function:
998 * - 'static' variables are read-only
999 * - Global Data (gd->xxx) is read/write
1000 *
1001 * The '_f_r' sequence must, as a minimum, copy U-Boot to RAM (if
1002 * supported). It _should_, if possible, copy global data to RAM and
1003 * initialise the CPU caches (to speed up the relocation process)
1004 *
1005 * NOTE: At present only x86 uses this route, but it is intended that
1006 * all archs will move to this when generic relocation is implemented.
1007 */
1008static init_fnc_t init_sequence_f_r[] = {
1009 init_cache_f_r,
Simon Glass6d179872013-03-05 14:39:52 +00001010
1011 NULL,
1012};
1013
1014void board_init_f_r(void)
1015{
1016 if (initcall_run_list(init_sequence_f_r))
1017 hang();
1018
1019 /*
1020 * U-Boot has been copied into SDRAM, the BSS has been cleared etc.
1021 * Transfer execution from Flash to RAM by calculating the address
1022 * of the in-RAM copy of board_init_r() and calling it
1023 */
Alexey Brodkin9c832f12015-02-25 17:59:02 +03001024 (board_init_r + gd->reloc_off)((gd_t *)gd, gd->relocaddr);
Simon Glass6d179872013-03-05 14:39:52 +00001025
1026 /* NOTREACHED - board_init_r() does not return */
1027 hang();
1028}
Alexey Brodkin73503182015-03-24 11:12:47 +03001029#endif /* CONFIG_X86 */
1030
Simon Glass08ef3052015-08-10 20:44:30 -06001031/* Unfortunately x86 can't compile this code as gd cannot be assigned */
Alexey Brodkin73503182015-03-24 11:12:47 +03001032#ifndef CONFIG_X86
Simon Glass08ef3052015-08-10 20:44:30 -06001033__weak void arch_setup_gd(struct global_data *gd_ptr)
1034{
1035 gd = gd_ptr;
1036}
Simon Glass0e27b872015-08-10 20:44:32 -06001037#endif /* !CONFIG_X86 */
Simon Glass08ef3052015-08-10 20:44:30 -06001038
Simon Glassd2542ff2015-02-07 11:51:34 -07001039ulong board_init_f_mem(ulong top)
1040{
Simon Glass08ef3052015-08-10 20:44:30 -06001041 struct global_data *gd_ptr;
1042
Simon Glassd2542ff2015-02-07 11:51:34 -07001043 /* Leave space for the stack we are running with now */
1044 top -= 0x40;
1045
1046 top -= sizeof(struct global_data);
1047 top = ALIGN(top, 16);
Simon Glass08ef3052015-08-10 20:44:30 -06001048 gd_ptr = (struct global_data *)top;
1049 memset(gd_ptr, '\0', sizeof(*gd));
1050 arch_setup_gd(gd_ptr);
Simon Glassd2542ff2015-02-07 11:51:34 -07001051
1052#ifdef CONFIG_SYS_MALLOC_F_LEN
1053 top -= CONFIG_SYS_MALLOC_F_LEN;
1054 gd->malloc_base = top;
1055#endif
1056
1057 return top;
1058}