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wdenkc6097192002-11-03 00:24:07 +00001/*
Wolfgang Denk57cac1f2006-01-29 19:12:41 +01002 * (C) Copyright 2002-2006
wdenkc6097192002-11-03 00:24:07 +00003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * (C) Copyright 2002
6 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7 * Marius Groeger <mgroeger@sysgo.de>
8 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02009 * SPDX-License-Identifier: GPL-2.0+
wdenkc6097192002-11-03 00:24:07 +000010 */
11
Wolfgang Denk57cac1f2006-01-29 19:12:41 +010012/*
13 * To match the U-Boot user interface on ARM platforms to the U-Boot
14 * standard (as on PPC platforms), some messages with debug character
15 * are removed from the default U-Boot build.
16 *
17 * Define DEBUG here if you want additional info as shown below
18 * printed upon startup:
19 *
20 * U-Boot code: 00F00000 -> 00F3C774 BSS: -> 00FC3274
21 * IRQ Stack: 00ebff7c
22 * FIQ Stack: 00ebef7c
23 */
24
wdenkc6097192002-11-03 00:24:07 +000025#include <common.h>
26#include <command.h>
Simon Glass06fd8532012-11-30 13:01:17 +000027#include <environment.h>
wdenk3595ac42003-06-22 17:18:28 +000028#include <malloc.h>
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020029#include <stdio_dev.h>
wdenkc6097192002-11-03 00:24:07 +000030#include <version.h>
31#include <net.h>
Marcel Ziswilerb71190f2008-05-01 09:05:26 +020032#include <serial.h>
Scott Woodd6ac2ed2008-05-22 10:49:46 -050033#include <nand.h>
34#include <onenand_uboot.h>
Ilya Yanok379e9fc2009-06-08 04:12:50 +040035#include <mmc.h>
Ian Campbellc6f3d502014-03-07 01:20:56 +000036#include <scsi.h>
Jeroen Hofstee52422e32014-10-08 22:57:53 +020037#include <status_led.h>
Simon Glassf5437ad2011-10-24 19:15:33 +000038#include <libfdt.h>
39#include <fdtdec.h>
Valentin Longchampea3681a2011-09-02 04:59:03 +000040#include <post.h>
41#include <logbuff.h>
Simon Glasse103b7a2013-03-05 14:39:38 +000042#include <asm/sections.h>
wdenkc6097192002-11-03 00:24:07 +000043
Luigi 'Comio' Mantellini310cecb2009-10-10 12:42:21 +020044#ifdef CONFIG_BITBANGMII
45#include <miiphy.h>
46#endif
47
Markus Klotzbücherb2b43462006-02-10 11:25:41 +010048DECLARE_GLOBAL_DATA_PTR;
49
wdenk3b57fe02003-05-30 12:48:29 +000050ulong monitor_flash_len;
51
wdenk2abbe072003-06-16 23:50:08 +000052#ifdef CONFIG_HAS_DATAFLASH
53extern int AT91F_DataflashInit(void);
54extern void dataflash_print_info(void);
55#endif
56
Hebbarf7ad79b2007-12-18 16:00:54 -080057#if defined(CONFIG_HARD_I2C) || \
Heiko Schocher3f4978c2012-01-16 21:12:24 +000058 defined(CONFIG_SYS_I2C)
Hebbarf7ad79b2007-12-18 16:00:54 -080059#include <i2c.h>
60#endif
61
wdenkc6097192002-11-03 00:24:07 +000062/************************************************************************
Peter Pearse9f5c3d32007-09-04 16:18:38 +010063 * Coloured LED functionality
64 ************************************************************************
65 * May be supplied by boards if desired
66 */
Jeroen Hofstee8590c802014-10-08 22:57:21 +020067__weak void coloured_LED_init(void) {}
68__weak void red_led_on(void) {}
69__weak void red_led_off(void) {}
70__weak void green_led_on(void) {}
71__weak void green_led_off(void) {}
72__weak void yellow_led_on(void) {}
73__weak void yellow_led_off(void) {}
74__weak void blue_led_on(void) {}
75__weak void blue_led_off(void) {}
Peter Pearse9f5c3d32007-09-04 16:18:38 +010076
Heiko Schocherceb1d6d2011-07-15 19:36:36 +000077/*
78 ************************************************************************
wdenkc6097192002-11-03 00:24:07 +000079 * Init Utilities *
80 ************************************************************************
81 * Some of this code should be moved into the core functions,
82 * or dropped completely,
83 * but let's get it working (again) first...
84 */
85
Jean-Christophe PLAGNIOL-VILLARD4f572892009-02-22 15:49:28 +010086#if defined(CONFIG_ARM_DCC) && !defined(CONFIG_BAUDRATE)
87#define CONFIG_BAUDRATE 115200
88#endif
Simon Glassdc8bbea2011-10-13 14:43:06 +000089
Heiko Schocherceb1d6d2011-07-15 19:36:36 +000090static int init_baudrate(void)
wdenkc6097192002-11-03 00:24:07 +000091{
Simon Glassdc8bbea2011-10-13 14:43:06 +000092 gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
93 return 0;
wdenkc6097192002-11-03 00:24:07 +000094}
95
Heiko Schocherceb1d6d2011-07-15 19:36:36 +000096static int display_banner(void)
wdenkc6097192002-11-03 00:24:07 +000097{
Heiko Schocherceb1d6d2011-07-15 19:36:36 +000098 printf("\n\n%s\n\n", version_string);
99 debug("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n",
Albert ARIBAUDb60eff32014-02-22 17:53:43 +0100100 (ulong)&_start,
101 (ulong)&__bss_start, (ulong)&__bss_end);
wdenkc6097192002-11-03 00:24:07 +0000102#ifdef CONFIG_MODEM_SUPPORT
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000103 debug("Modem Support enabled\n");
wdenkc6097192002-11-03 00:24:07 +0000104#endif
105#ifdef CONFIG_USE_IRQ
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000106 debug("IRQ Stack: %08lx\n", IRQ_STACK_START);
107 debug("FIQ Stack: %08lx\n", FIQ_STACK_START);
wdenkc6097192002-11-03 00:24:07 +0000108#endif
wdenkf72da342003-10-10 10:05:42 +0000109
wdenkc6097192002-11-03 00:24:07 +0000110 return (0);
111}
112
113/*
114 * WARNING: this code looks "cleaner" than the PowerPC version, but
115 * has the disadvantage that you either get nothing, or everything.
116 * On PowerPC, you might see "DRAM: " before the system hangs - which
117 * gives a simple yet clear indication which part of the
118 * initialization if failing.
119 */
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000120static int display_dram_config(void)
wdenkc6097192002-11-03 00:24:07 +0000121{
wdenkc6097192002-11-03 00:24:07 +0000122 int i;
123
Wolfgang Denk57cac1f2006-01-29 19:12:41 +0100124#ifdef DEBUG
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000125 puts("RAM Configuration:\n");
wdenkc6097192002-11-03 00:24:07 +0000126
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000127 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
128 printf("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
129 print_size(gd->bd->bi_dram[i].size, "\n");
wdenkc6097192002-11-03 00:24:07 +0000130 }
Wolfgang Denk57cac1f2006-01-29 19:12:41 +0100131#else
132 ulong size = 0;
133
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000134 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
Wolfgang Denk57cac1f2006-01-29 19:12:41 +0100135 size += gd->bd->bi_dram[i].size;
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000136
Wolfgang Denk57cac1f2006-01-29 19:12:41 +0100137 puts("DRAM: ");
138 print_size(size, "\n");
139#endif
wdenkc6097192002-11-03 00:24:07 +0000140
141 return (0);
142}
143
Heiko Schocherea818db2013-01-29 08:53:15 +0100144#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000145static int init_func_i2c(void)
Hebbarf7ad79b2007-12-18 16:00:54 -0800146{
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000147 puts("I2C: ");
Heiko Schocher3f4978c2012-01-16 21:12:24 +0000148#ifdef CONFIG_SYS_I2C
149 i2c_init_all();
150#else
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000151 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
Heiko Schocher3f4978c2012-01-16 21:12:24 +0000152#endif
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000153 puts("ready\n");
Hebbarf7ad79b2007-12-18 16:00:54 -0800154 return (0);
155}
156#endif
157
Jean-Christophe PLAGNIOL-VILLARDf90c8022009-01-31 09:04:58 +0100158#if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI)
159#include <pci.h>
160static int arm_pci_init(void)
161{
162 pci_init();
163 return 0;
164}
165#endif /* CONFIG_CMD_PCI || CONFIG_PCI */
166
wdenkc6097192002-11-03 00:24:07 +0000167/*
wdenka8c7c702003-12-06 19:49:23 +0000168 * Breathe some life into the board...
wdenkc6097192002-11-03 00:24:07 +0000169 *
wdenkb0639ca2003-09-17 22:48:07 +0000170 * Initialize a serial port as console, and carry out some hardware
wdenkc6097192002-11-03 00:24:07 +0000171 * tests.
172 *
173 * The first part of initialization is running from Flash memory;
174 * its main purpose is to initialize the RAM so that we
175 * can relocate the monitor code to RAM.
176 */
177
178/*
179 * All attempts to come up with a "common" initialization sequence
180 * that works for all boards and architectures failed: some of the
181 * requirements are just _too_ different. To get rid of the resulting
wdenkf6e20fc2004-02-08 19:38:38 +0000182 * mess of board dependent #ifdef'ed code we now make the whole
wdenkc6097192002-11-03 00:24:07 +0000183 * initialization sequence configurable to the user.
184 *
185 * The requirements for any new initalization function is simple: it
186 * receives a pointer to the "global data" structure as it's only
187 * argument, and returns an integer return code, where 0 means
188 * "continue" and != 0 means "fatal error, hang the system".
189 */
190typedef int (init_fnc_t) (void);
191
Jeroen Hofstee8590c802014-10-08 22:57:21 +0200192__weak void dram_init_banksize(void)
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200193{
194 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
195 gd->bd->bi_dram[0].size = gd->ram_size;
196}
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200197
Jeroen Hofstee8590c802014-10-08 22:57:21 +0200198__weak int arch_cpu_init(void)
Fabio Estevama21c6512012-03-01 04:02:38 +0000199{
200 return 0;
201}
Fabio Estevama21c6512012-03-01 04:02:38 +0000202
Jeroen Hofstee8590c802014-10-08 22:57:21 +0200203__weak int power_init_board(void)
Łukasz Majewski2ffb4be2012-11-13 03:21:56 +0000204{
205 return 0;
206}
Łukasz Majewski2ffb4be2012-11-13 03:21:56 +0000207
Simon Glass2f8d8d62012-11-30 13:01:22 +0000208 /* Record the board_init_f() bootstage (after arch_cpu_init()) */
209static int mark_bootstage(void)
210{
211 bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f");
212
213 return 0;
214}
215
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200216init_fnc_t *init_sequence[] = {
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200217 arch_cpu_init, /* basic arch cpu dependent setup */
Simon Glass2f8d8d62012-11-30 13:01:22 +0000218 mark_bootstage,
Simon Glassf5437ad2011-10-24 19:15:33 +0000219#ifdef CONFIG_OF_CONTROL
220 fdtdec_check_fdt,
221#endif
Simon Glasseae78c32012-11-30 13:01:16 +0000222#if defined(CONFIG_BOARD_EARLY_INIT_F)
223 board_early_init_f,
224#endif
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200225 timer_init, /* initialize timer */
Markus Hubige23e5ee2012-08-16 08:22:08 +0000226#ifdef CONFIG_BOARD_POSTCLK_INIT
227 board_postclk_init,
228#endif
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200229#ifdef CONFIG_FSL_ESDHC
230 get_clocks,
231#endif
232 env_init, /* initialize environment */
233 init_baudrate, /* initialze baudrate settings */
234 serial_init, /* serial communications setup */
235 console_init_f, /* stage 1 init of console */
236 display_banner, /* say that we are here */
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200237 print_cpuinfo, /* display cpu info (and speed) */
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200238#if defined(CONFIG_DISPLAY_BOARDINFO)
239 checkboard, /* display board info */
240#endif
Heiko Schocherea818db2013-01-29 08:53:15 +0100241#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200242 init_func_i2c,
243#endif
244 dram_init, /* configure available RAM banks */
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200245 NULL,
246};
247
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000248void board_init_f(ulong bootflag)
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200249{
250 bd_t *bd;
251 init_fnc_t **init_fnc_ptr;
252 gd_t *id;
253 ulong addr, addr_sp;
Simon Glassdc8bbea2011-10-13 14:43:06 +0000254#ifdef CONFIG_PRAM
255 ulong reg;
256#endif
Simon Glass39826f02012-09-27 15:41:55 +0000257 void *new_fdt = NULL;
258 size_t fdt_size = 0;
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200259
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000260 memset((void *)gd, 0, sizeof(gd_t));
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200261
Albert ARIBAUDb60eff32014-02-22 17:53:43 +0100262 gd->mon_len = (ulong)&__bss_end - (ulong)_start;
Simon Glassf5437ad2011-10-24 19:15:33 +0000263#ifdef CONFIG_OF_EMBED
264 /* Get a pointer to the FDT */
Masahiro Yamada2aff23c2014-04-25 21:51:09 +0900265 gd->fdt_blob = __dtb_dt_begin;
Simon Glassf5437ad2011-10-24 19:15:33 +0000266#elif defined CONFIG_OF_SEPARATE
267 /* FDT is at end of image */
Albert ARIBAUDb60eff32014-02-22 17:53:43 +0100268 gd->fdt_blob = &_end;
Simon Glassf5437ad2011-10-24 19:15:33 +0000269#endif
Simon Glasseea63e02011-10-24 19:15:34 +0000270 /* Allow the early environment to override the fdt address */
271 gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
272 (uintptr_t)gd->fdt_blob);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200273
274 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
275 if ((*init_fnc_ptr)() != 0) {
276 hang ();
277 }
278 }
279
Simon Glass28669032012-03-28 10:08:25 +0000280#ifdef CONFIG_OF_CONTROL
281 /* For now, put this check after the console is ready */
282 if (fdtdec_prepare_fdt()) {
283 panic("** CONFIG_OF_CONTROL defined but no FDT - please see "
284 "doc/README.fdt-control");
285 }
286#endif
287
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000288 debug("monitor len: %08lX\n", gd->mon_len);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200289 /*
290 * Ram is setup, size stored in gd !!
291 */
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000292 debug("ramsize: %08lX\n", gd->ram_size);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200293#if defined(CONFIG_SYS_MEM_TOP_HIDE)
294 /*
295 * Subtract specified amount of memory to hide so that it won't
296 * get "touched" at all by U-Boot. By fixing up gd->ram_size
297 * the Linux kernel should now get passed the now "corrected"
298 * memory size and won't touch it either. This should work
299 * for arch/ppc and arch/powerpc. Only Linux board ports in
300 * arch/powerpc with bootwrapper support, that recalculate the
301 * memory size from the SDRAM controller setup will have to
302 * get fixed.
303 */
304 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
305#endif
306
York Sune3866162014-02-11 11:57:26 -0800307 addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200308
309#ifdef CONFIG_LOGBUFFER
310#ifndef CONFIG_ALT_LB_ADDR
311 /* reserve kernel log buffer */
312 addr -= (LOGBUFF_RESERVE);
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000313 debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN,
314 addr);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200315#endif
316#endif
317
318#ifdef CONFIG_PRAM
319 /*
320 * reserve protected RAM
321 */
Simon Glassdc8bbea2011-10-13 14:43:06 +0000322 reg = getenv_ulong("pram", 10, CONFIG_PRAM);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200323 addr -= (reg << 10); /* size is in kB */
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000324 debug("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200325#endif /* CONFIG_PRAM */
326
Aneesh Ve47f2db2011-06-16 23:30:48 +0000327#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200328 /* reserve TLB table */
David Feng0ae76532013-12-14 11:47:35 +0800329 gd->arch.tlb_size = PGTABLE_SIZE;
Simon Glass34fd5d22012-12-13 20:48:39 +0000330 addr -= gd->arch.tlb_size;
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200331
332 /* round down to next 64 kB limit */
333 addr &= ~(0x10000 - 1);
334
Simon Glass34fd5d22012-12-13 20:48:39 +0000335 gd->arch.tlb_addr = addr;
336 debug("TLB table from %08lx to %08lx\n", addr, addr + gd->arch.tlb_size);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200337#endif
338
339 /* round down to next 4 kB limit */
340 addr &= ~(4096 - 1);
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000341 debug("Top of RAM usable for U-Boot at: %08lx\n", addr);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200342
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200343#ifdef CONFIG_LCD
Minkyu Kangd32a1a42011-04-24 22:22:34 +0000344#ifdef CONFIG_FB_ADDR
345 gd->fb_base = CONFIG_FB_ADDR;
346#else
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200347 /* reserve memory for LCD display (always full pages) */
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000348 addr = lcd_setmem(addr);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200349 gd->fb_base = addr;
Minkyu Kangd32a1a42011-04-24 22:22:34 +0000350#endif /* CONFIG_FB_ADDR */
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200351#endif /* CONFIG_LCD */
352
353 /*
354 * reserve memory for U-Boot code, data & bss
355 * round down to next 4 kB limit
356 */
357 addr -= gd->mon_len;
358 addr &= ~(4096 - 1);
359
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000360 debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200361
Aneesh V401bb302011-07-13 05:11:07 +0000362#ifndef CONFIG_SPL_BUILD
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200363 /*
364 * reserve memory for malloc() arena
365 */
366 addr_sp = addr - TOTAL_MALLOC_LEN;
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000367 debug("Reserving %dk for malloc() at: %08lx\n",
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200368 TOTAL_MALLOC_LEN >> 10, addr_sp);
369 /*
370 * (permanently) allocate a Board Info struct
371 * and a permanent copy of the "global" data
372 */
373 addr_sp -= sizeof (bd_t);
374 bd = (bd_t *) addr_sp;
375 gd->bd = bd;
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000376 debug("Reserving %zu Bytes for Board Info at: %08lx\n",
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200377 sizeof (bd_t), addr_sp);
Igor Grinberg15c2e2c2011-08-16 23:48:23 +0000378
379#ifdef CONFIG_MACH_TYPE
380 gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */
381#endif
382
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200383 addr_sp -= sizeof (gd_t);
384 id = (gd_t *) addr_sp;
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000385 debug("Reserving %zu Bytes for Global Data at: %08lx\n",
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200386 sizeof (gd_t), addr_sp);
387
Simon Glass39826f02012-09-27 15:41:55 +0000388#if defined(CONFIG_OF_SEPARATE) && defined(CONFIG_OF_CONTROL)
389 /*
390 * If the device tree is sitting immediate above our image then we
391 * must relocate it. If it is embedded in the data section, then it
392 * will be relocated with other data.
393 */
394 if (gd->fdt_blob) {
395 fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32);
396
397 addr_sp -= fdt_size;
398 new_fdt = (void *)addr_sp;
399 debug("Reserving %zu Bytes for FDT at: %08lx\n",
400 fdt_size, addr_sp);
401 }
402#endif
403
David Feng0ae76532013-12-14 11:47:35 +0800404#ifndef CONFIG_ARM64
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200405 /* setup stackpointer for exeptions */
406 gd->irq_sp = addr_sp;
407#ifdef CONFIG_USE_IRQ
408 addr_sp -= (CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ);
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000409 debug("Reserving %zu Bytes for IRQ stack at: %08lx\n",
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200410 CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp);
411#endif
412 /* leave 3 words for abort-stack */
Eric Cooper6445a302011-04-14 12:32:37 +0000413 addr_sp -= 12;
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200414
415 /* 8-byte alignment for ABI compliance */
416 addr_sp &= ~0x07;
David Feng0ae76532013-12-14 11:47:35 +0800417#else /* CONFIG_ARM64 */
418 /* 16-byte alignment for ABI compliance */
419 addr_sp &= ~0x0f;
420#endif /* CONFIG_ARM64 */
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200421#else
422 addr_sp += 128; /* leave 32 words for abort-stack */
423 gd->irq_sp = addr_sp;
424#endif
425
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000426 debug("New Stack Pointer is: %08lx\n", addr_sp);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200427
428#ifdef CONFIG_POST
429 post_bootmode_init();
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000430 post_run(NULL, POST_ROM | post_bootmode_get(0));
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200431#endif
432
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200433 /* Ram ist board specific, so move it to board code ... */
434 dram_init_banksize();
435 display_dram_config(); /* and display it */
436
437 gd->relocaddr = addr;
438 gd->start_addr_sp = addr_sp;
Albert ARIBAUDb60eff32014-02-22 17:53:43 +0100439 gd->reloc_off = addr - (ulong)&_start;
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000440 debug("relocation Offset is: %08lx\n", gd->reloc_off);
Simon Glass39826f02012-09-27 15:41:55 +0000441 if (new_fdt) {
442 memcpy(new_fdt, gd->fdt_blob, fdt_size);
443 gd->fdt_blob = new_fdt;
444 }
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000445 memcpy(id, (void *)gd, sizeof(gd_t));
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200446}
447
448#if !defined(CONFIG_SYS_NO_FLASH)
449static char *failed = "*** failed ***\n";
450#endif
451
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000452/*
Simon Glass06fd8532012-11-30 13:01:17 +0000453 * Tell if it's OK to load the environment early in boot.
454 *
455 * If CONFIG_OF_CONFIG is defined, we'll check with the FDT to see
456 * if this is OK (defaulting to saying it's not OK).
457 *
458 * NOTE: Loading the environment early can be a bad idea if security is
459 * important, since no verification is done on the environment.
460 *
461 * @return 0 if environment should not be loaded, !=0 if it is ok to load
462 */
463static int should_load_env(void)
464{
465#ifdef CONFIG_OF_CONTROL
Lucas Stach4e5eb452013-01-22 00:15:49 +0000466 return fdtdec_get_config_int(gd->fdt_blob, "load-environment", 1);
Simon Glass06fd8532012-11-30 13:01:17 +0000467#elif defined CONFIG_DELAY_ENVIRONMENT
468 return 0;
469#else
470 return 1;
471#endif
472}
473
Simon Glasse2e3e2b2012-11-30 13:01:19 +0000474#if defined(CONFIG_DISPLAY_BOARDINFO_LATE) && defined(CONFIG_OF_CONTROL)
475static void display_fdt_model(const void *blob)
476{
477 const char *model;
478
479 model = (char *)fdt_getprop(blob, 0, "model", NULL);
480 printf("Model: %s\n", model ? model : "<unknown>");
481}
482#endif
483
Simon Glass06fd8532012-11-30 13:01:17 +0000484/************************************************************************
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200485 *
486 * This is the next part if the initialization sequence: we are now
487 * running from RAM and have a "normal" C environment, i. e. global
488 * data can be written, BSS has been cleared, the stack size in not
489 * that critical any more, etc.
490 *
491 ************************************************************************
492 */
Albert Aribaud92d5ecb2010-10-11 13:13:28 +0200493
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000494void board_init_r(gd_t *id, ulong dest_addr)
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200495{
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200496 ulong malloc_start;
497#if !defined(CONFIG_SYS_NO_FLASH)
498 ulong flash_size;
499#endif
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200500
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200501 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
Simon Glassf933e842012-02-13 13:51:21 +0000502 bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_R, "board_init_r");
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200503
Albert ARIBAUDb60eff32014-02-22 17:53:43 +0100504 monitor_flash_len = (ulong)&__rel_dyn_end - (ulong)_start;
Aneesh Vcba4b182011-08-16 04:33:05 +0000505
506 /* Enable caches */
507 enable_caches();
Aneesh Vc2dd0d42011-06-16 23:30:49 +0000508
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000509 debug("monitor flash len: %08lX\n", monitor_flash_len);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200510 board_init(); /* Setup chipselects */
Hadli, Manjunath8f5d4682012-02-06 00:30:44 +0000511 /*
512 * TODO: printing of the clock inforamtion of the board is now
513 * implemented as part of bdinfo command. Currently only support for
514 * davinci SOC's is added. Remove this check once all the board
515 * implement this.
516 */
517#ifdef CONFIG_CLOCKS
518 set_cpu_clk_info(); /* Setup clock information */
519#endif
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200520 serial_initialize();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200521
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000522 debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200523
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200524#ifdef CONFIG_LOGBUFFER
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000525 logbuff_init_ptrs();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200526#endif
527#ifdef CONFIG_POST
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000528 post_output_backlog();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200529#endif
530
531 /* The Malloc area is immediately below the monitor copy in DRAM */
532 malloc_start = dest_addr - TOTAL_MALLOC_LEN;
533 mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200534
Fabio Estevamd519b4b2012-04-02 11:19:45 +0000535#ifdef CONFIG_ARCH_EARLY_INIT_R
536 arch_early_init_r();
537#endif
Łukasz Majewski2ffb4be2012-11-13 03:21:56 +0000538 power_init_board();
Fabio Estevamd519b4b2012-04-02 11:19:45 +0000539
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200540#if !defined(CONFIG_SYS_NO_FLASH)
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000541 puts("Flash: ");
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200542
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000543 flash_size = flash_init();
544 if (flash_size > 0) {
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200545# ifdef CONFIG_SYS_FLASH_CHECKSUM
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000546 print_size(flash_size, "");
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200547 /*
548 * Compute and print flash CRC if flashchecksum is set to 'y'
549 *
550 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
551 */
Joe Hershbergerec8a2522012-12-11 22:16:22 -0600552 if (getenv_yesno("flashchecksum") == 1) {
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000553 printf(" CRC: %08X", crc32(0,
554 (const unsigned char *) CONFIG_SYS_FLASH_BASE,
555 flash_size));
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200556 }
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000557 putc('\n');
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200558# else /* !CONFIG_SYS_FLASH_CHECKSUM */
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000559 print_size(flash_size, "\n");
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200560# endif /* CONFIG_SYS_FLASH_CHECKSUM */
561 } else {
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000562 puts(failed);
563 hang();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200564 }
565#endif
566
567#if defined(CONFIG_CMD_NAND)
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000568 puts("NAND: ");
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200569 nand_init(); /* go init the NAND */
570#endif
571
572#if defined(CONFIG_CMD_ONENAND)
573 onenand_init();
574#endif
575
Steve Sakomand470a6f2010-10-11 05:51:39 -0700576#ifdef CONFIG_GENERIC_MMC
Taylor Hutt80e40952012-11-30 13:01:23 +0000577 puts("MMC: ");
578 mmc_initialize(gd->bd);
Steve Sakomand470a6f2010-10-11 05:51:39 -0700579#endif
580
Ian Campbellc6f3d502014-03-07 01:20:56 +0000581#ifdef CONFIG_CMD_SCSI
582 puts("SCSI: ");
583 scsi_init();
584#endif
585
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200586#ifdef CONFIG_HAS_DATAFLASH
587 AT91F_DataflashInit();
588 dataflash_print_info();
589#endif
590
591 /* initialize environment */
Simon Glass06fd8532012-11-30 13:01:17 +0000592 if (should_load_env())
593 env_relocate();
594 else
595 set_default_env(NULL);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200596
Michael Schwingen1ed63c52011-05-23 00:00:13 +0200597#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
598 arm_pci_init();
599#endif
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200600
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000601 stdio_init(); /* get the devices list going. */
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200602
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000603 jumptable_init();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200604
605#if defined(CONFIG_API)
606 /* Initialize API */
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000607 api_init();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200608#endif
609
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000610 console_init_r(); /* fully init console as a device */
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200611
Simon Glasse2e3e2b2012-11-30 13:01:19 +0000612#ifdef CONFIG_DISPLAY_BOARDINFO_LATE
613# ifdef CONFIG_OF_CONTROL
614 /* Put this here so it appears on the LCD, now it is ready */
615 display_fdt_model(gd->fdt_blob);
616# else
617 checkboard();
618# endif
619#endif
620
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200621#if defined(CONFIG_ARCH_MISC_INIT)
622 /* miscellaneous arch dependent initialisations */
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000623 arch_misc_init();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200624#endif
625#if defined(CONFIG_MISC_INIT_R)
626 /* miscellaneous platform dependent initialisations */
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000627 misc_init_r();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200628#endif
629
Albert ARIBAUDbd851c72013-11-08 22:37:33 +0100630 /* set up exceptions */
631 interrupt_init();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200632 /* enable exceptions */
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000633 enable_interrupts();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200634
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200635 /* Initialize from environment */
Simon Glassdc8bbea2011-10-13 14:43:06 +0000636 load_addr = getenv_ulong("loadaddr", 16, load_addr);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200637
Helmut Raiger9660e442011-10-20 04:19:47 +0000638#ifdef CONFIG_BOARD_LATE_INIT
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000639 board_late_init();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200640#endif
641
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200642#ifdef CONFIG_BITBANGMII
643 bb_miiphy_init();
644#endif
645#if defined(CONFIG_CMD_NET)
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000646 puts("Net: ");
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200647 eth_initialize(gd->bd);
648#if defined(CONFIG_RESET_PHY_R)
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000649 debug("Reset Ethernet PHY\n");
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200650 reset_phy();
651#endif
652#endif
653
654#ifdef CONFIG_POST
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000655 post_run(NULL, POST_RAM | post_bootmode_get(0));
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200656#endif
657
658#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
659 /*
660 * Export available size of memory for Linux,
661 * taking into account the protected RAM at top of memory
662 */
663 {
Simon Glassdc8bbea2011-10-13 14:43:06 +0000664 ulong pram = 0;
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200665 uchar memsz[32];
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200666
Simon Glassdc8bbea2011-10-13 14:43:06 +0000667#ifdef CONFIG_PRAM
668 pram = getenv_ulong("pram", 10, CONFIG_PRAM);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200669#endif
670#ifdef CONFIG_LOGBUFFER
671#ifndef CONFIG_ALT_LB_ADDR
672 /* Also take the logbuffer into account (pram is in kB) */
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000673 pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024;
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200674#endif
675#endif
Heiko Schocherb2b8f982011-06-02 22:11:37 +0000676 sprintf((char *)memsz, "%ldk", (gd->ram_size / 1024) - pram);
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000677 setenv("mem", (char *)memsz);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200678 }
679#endif
680
681 /* main_loop() can return to retry autoboot, if so just run it again. */
682 for (;;) {
Heiko Schocherceb1d6d2011-07-15 19:36:36 +0000683 main_loop();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200684 }
685
686 /* NOTREACHED - no way out of command loop except booting */
687}