wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 1 | /* |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 2 | * (C) Copyright 2000-2011 |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <watchdog.h> |
| 10 | #include <command.h> |
| 11 | #include <malloc.h> |
Jean-Christophe PLAGNIOL-VILLARD | 52cb4d4 | 2009-05-16 12:14:54 +0200 | [diff] [blame] | 12 | #include <stdio_dev.h> |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 13 | #ifdef CONFIG_8xx |
| 14 | #include <mpc8xx.h> |
| 15 | #endif |
wdenk | 0db5bca | 2003-03-31 17:27:09 +0000 | [diff] [blame] | 16 | #ifdef CONFIG_5xx |
| 17 | #include <mpc5xx.h> |
| 18 | #endif |
wdenk | cbd8a35 | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 19 | #ifdef CONFIG_MPC5xxx |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 20 | #include <mpc5xxx.h> |
| 21 | #endif |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 22 | #if defined(CONFIG_CMD_IDE) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 23 | #include <ide.h> |
| 24 | #endif |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 25 | #if defined(CONFIG_CMD_SCSI) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 26 | #include <scsi.h> |
| 27 | #endif |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 28 | #if defined(CONFIG_CMD_KGDB) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 29 | #include <kgdb.h> |
| 30 | #endif |
| 31 | #ifdef CONFIG_STATUS_LED |
| 32 | #include <status_led.h> |
| 33 | #endif |
| 34 | #include <net.h> |
Andy Fleming | 272cc70 | 2008-10-30 16:41:01 -0500 | [diff] [blame] | 35 | #ifdef CONFIG_GENERIC_MMC |
| 36 | #include <mmc.h> |
| 37 | #endif |
wdenk | 281e00a | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 38 | #include <serial.h> |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 39 | #ifdef CONFIG_SYS_ALLOC_DPRAM |
Jon Loeliger | 9c4c5ae | 2005-07-23 10:37:35 -0500 | [diff] [blame] | 40 | #if !defined(CONFIG_CPM2) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 41 | #include <commproc.h> |
| 42 | #endif |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 43 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 44 | #include <version.h> |
| 45 | #if defined(CONFIG_BAB7xx) |
| 46 | #include <w83c553f.h> |
| 47 | #endif |
| 48 | #include <dtt.h> |
| 49 | #if defined(CONFIG_POST) |
| 50 | #include <post.h> |
| 51 | #endif |
wdenk | 56f94be | 2002-11-05 16:35:14 +0000 | [diff] [blame] | 52 | #if defined(CONFIG_LOGBUFFER) |
| 53 | #include <logbuff.h> |
| 54 | #endif |
Wolfgang Denk | 9c67352 | 2009-07-26 23:28:02 +0200 | [diff] [blame] | 55 | #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 56 | #include <asm/cache.h> |
| 57 | #endif |
wdenk | 1c43771 | 2004-01-16 00:30:56 +0000 | [diff] [blame] | 58 | #ifdef CONFIG_PS2KBD |
| 59 | #include <keyboard.h> |
| 60 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 61 | |
Kumar Gala | ecf5b98 | 2008-12-16 14:59:20 -0600 | [diff] [blame] | 62 | #ifdef CONFIG_ADDR_MAP |
| 63 | #include <asm/mmu.h> |
| 64 | #endif |
| 65 | |
Kumar Gala | fc39c2fd | 2009-03-31 17:58:13 -0500 | [diff] [blame] | 66 | #ifdef CONFIG_MP |
| 67 | #include <asm/mp.h> |
| 68 | #endif |
| 69 | |
Luigi 'Comio' Mantellini | 310cecb | 2009-10-10 12:42:21 +0200 | [diff] [blame] | 70 | #ifdef CONFIG_BITBANGMII |
| 71 | #include <miiphy.h> |
| 72 | #endif |
| 73 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 74 | #ifdef CONFIG_SYS_UPDATE_FLASH_SIZE |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 75 | extern int update_flash_size(int flash_size); |
Heiko Schocher | fa23044 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 76 | #endif |
| 77 | |
Wolfgang Denk | 9045f33 | 2007-06-08 10:24:58 +0200 | [diff] [blame] | 78 | #if defined(CONFIG_SC3) |
Heiko Schocher | ca43ba1 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 79 | extern void sc3_read_eeprom(void); |
| 80 | #endif |
| 81 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 82 | #if defined(CONFIG_CMD_DOC) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 83 | void doc_init(void); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 84 | #endif |
Heiko Schocher | ea818db | 2013-01-29 08:53:15 +0100 | [diff] [blame] | 85 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 86 | #include <i2c.h> |
| 87 | #endif |
Ben Warren | 04a9e11 | 2008-01-16 22:37:35 -0500 | [diff] [blame] | 88 | #include <spi.h> |
Scott Wood | d6ac2ed | 2008-05-22 10:49:46 -0500 | [diff] [blame] | 89 | #include <nand.h> |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 90 | |
| 91 | static char *failed = "*** failed ***\n"; |
| 92 | |
Wolfgang Denk | 544d97e | 2010-10-05 22:54:53 +0200 | [diff] [blame] | 93 | #if defined(CONFIG_OXC) || defined(CONFIG_RMU) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 94 | extern flash_info_t flash_info[]; |
wdenk | 17d704e | 2004-04-10 20:43:50 +0000 | [diff] [blame] | 95 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 96 | |
Heiko Schocher | ca43ba1 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 97 | #if defined(CONFIG_START_IDE) |
| 98 | extern int board_start_ide(void); |
| 99 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 100 | #include <environment.h> |
Wolfgang Denk | d87080b | 2006-03-31 18:32:53 +0200 | [diff] [blame] | 101 | |
Wolfgang Denk | bce84c4 | 2005-08-30 14:13:23 +0200 | [diff] [blame] | 102 | DECLARE_GLOBAL_DATA_PTR; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 103 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 104 | #if !defined(CONFIG_SYS_MEM_TOP_HIDE) |
| 105 | #define CONFIG_SYS_MEM_TOP_HIDE 0 |
Stefan Roese | 6fb4b64 | 2008-03-27 10:24:03 +0100 | [diff] [blame] | 106 | #endif |
| 107 | |
wdenk | 3b57fe0 | 2003-05-30 12:48:29 +0000 | [diff] [blame] | 108 | extern ulong __init_end; |
Simon Glass | 3929fb0 | 2013-03-14 06:54:53 +0000 | [diff] [blame] | 109 | extern ulong __bss_end; |
wdenk | 3b57fe0 | 2003-05-30 12:48:29 +0000 | [diff] [blame] | 110 | ulong monitor_flash_len; |
| 111 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 112 | #if defined(CONFIG_CMD_BEDBUG) |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 113 | #include <bedbug/type.h> |
| 114 | #endif |
| 115 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 116 | /* |
| 117 | * Utilities |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 118 | */ |
| 119 | |
| 120 | /* |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 121 | * All attempts to come up with a "common" initialization sequence |
| 122 | * that works for all boards and architectures failed: some of the |
| 123 | * requirements are just _too_ different. To get rid of the resulting |
| 124 | * mess of board dependend #ifdef'ed code we now make the whole |
| 125 | * initialization sequence configurable to the user. |
| 126 | * |
| 127 | * The requirements for any new initalization function is simple: it |
| 128 | * receives a pointer to the "global data" structure as it's only |
| 129 | * argument, and returns an integer return code, where 0 means |
| 130 | * "continue" and != 0 means "fatal error, hang the system". |
| 131 | */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 132 | typedef int (init_fnc_t)(void); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 133 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 134 | /* |
| 135 | * Init Utilities |
| 136 | * |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 137 | * Some of this code should be moved into the core functions, |
| 138 | * but let's get it working (again) first... |
| 139 | */ |
| 140 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 141 | static int init_baudrate(void) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 142 | { |
Simon Glass | 1272592 | 2011-10-13 14:43:12 +0000 | [diff] [blame] | 143 | gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); |
| 144 | return 0; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 145 | } |
| 146 | |
| 147 | /***********************************************************************/ |
| 148 | |
Kim Phillips | 20051f2 | 2012-10-29 13:34:29 +0000 | [diff] [blame] | 149 | static void __board_add_ram_info(int use_default) |
Kim Phillips | 79f240f | 2007-08-16 22:52:39 -0500 | [diff] [blame] | 150 | { |
| 151 | /* please define platform specific board_add_ram_info() */ |
| 152 | } |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 153 | |
| 154 | void board_add_ram_info(int) |
| 155 | __attribute__ ((weak, alias("__board_add_ram_info"))); |
Kim Phillips | 79f240f | 2007-08-16 22:52:39 -0500 | [diff] [blame] | 156 | |
Kim Phillips | 20051f2 | 2012-10-29 13:34:29 +0000 | [diff] [blame] | 157 | static int __board_flash_wp_on(void) |
John Schmoller | c62491d | 2010-09-29 14:05:44 -0500 | [diff] [blame] | 158 | { |
| 159 | /* |
| 160 | * Most flashes can't be detected when write protection is enabled, |
| 161 | * so provide a way to let U-Boot gracefully ignore write protected |
| 162 | * devices. |
| 163 | */ |
| 164 | return 0; |
| 165 | } |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 166 | |
| 167 | int board_flash_wp_on(void) |
| 168 | __attribute__ ((weak, alias("__board_flash_wp_on"))); |
Stefan Roese | d96f41e | 2005-11-30 13:06:40 +0100 | [diff] [blame] | 169 | |
Kim Phillips | 20051f2 | 2012-10-29 13:34:29 +0000 | [diff] [blame] | 170 | static void __cpu_secondary_init_r(void) |
Kumar Gala | f9a33f1 | 2011-02-02 11:23:50 -0600 | [diff] [blame] | 171 | { |
| 172 | } |
Kumar Gala | f9a33f1 | 2011-02-02 11:23:50 -0600 | [diff] [blame] | 173 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 174 | void cpu_secondary_init_r(void) |
| 175 | __attribute__ ((weak, alias("__cpu_secondary_init_r"))); |
| 176 | |
| 177 | static int init_func_ram(void) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 178 | { |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 179 | #ifdef CONFIG_BOARD_TYPES |
| 180 | int board_type = gd->board_type; |
| 181 | #else |
| 182 | int board_type = 0; /* use dummy arg */ |
| 183 | #endif |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 184 | puts("DRAM: "); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 185 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 186 | gd->ram_size = initdram(board_type); |
| 187 | |
| 188 | if (gd->ram_size > 0) { |
| 189 | print_size(gd->ram_size, ""); |
Stefan Roese | d96f41e | 2005-11-30 13:06:40 +0100 | [diff] [blame] | 190 | board_add_ram_info(0); |
Stefan Roese | d96f41e | 2005-11-30 13:06:40 +0100 | [diff] [blame] | 191 | putc('\n'); |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 192 | return 0; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 193 | } |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 194 | puts(failed); |
| 195 | return 1; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 196 | } |
| 197 | |
| 198 | /***********************************************************************/ |
| 199 | |
Heiko Schocher | ea818db | 2013-01-29 08:53:15 +0100 | [diff] [blame] | 200 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 201 | static int init_func_i2c(void) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 202 | { |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 203 | puts("I2C: "); |
Heiko Schocher | 3f4978c | 2012-01-16 21:12:24 +0000 | [diff] [blame] | 204 | #ifdef CONFIG_SYS_I2C |
| 205 | i2c_init_all(); |
| 206 | #else |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 207 | i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
Heiko Schocher | 3f4978c | 2012-01-16 21:12:24 +0000 | [diff] [blame] | 208 | #endif |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 209 | puts("ready\n"); |
| 210 | return 0; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 211 | } |
| 212 | #endif |
| 213 | |
Ben Warren | 04a9e11 | 2008-01-16 22:37:35 -0500 | [diff] [blame] | 214 | #if defined(CONFIG_HARD_SPI) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 215 | static int init_func_spi(void) |
Ben Warren | 04a9e11 | 2008-01-16 22:37:35 -0500 | [diff] [blame] | 216 | { |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 217 | puts("SPI: "); |
| 218 | spi_init(); |
| 219 | puts("ready\n"); |
| 220 | return 0; |
Ben Warren | 04a9e11 | 2008-01-16 22:37:35 -0500 | [diff] [blame] | 221 | } |
| 222 | #endif |
| 223 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 224 | /***********************************************************************/ |
| 225 | |
| 226 | #if defined(CONFIG_WATCHDOG) |
Simon Glass | a6741bc | 2013-03-05 14:39:42 +0000 | [diff] [blame] | 227 | int init_func_watchdog_init(void) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 228 | { |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 229 | puts(" Watchdog enabled\n"); |
| 230 | WATCHDOG_RESET(); |
| 231 | return 0; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 232 | } |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 233 | |
Simon Glass | a6741bc | 2013-03-05 14:39:42 +0000 | [diff] [blame] | 234 | int init_func_watchdog_reset(void) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 235 | { |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 236 | WATCHDOG_RESET(); |
| 237 | return 0; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 238 | } |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 239 | #endif /* CONFIG_WATCHDOG */ |
| 240 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 241 | /* |
| 242 | * Initialization sequence |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 243 | */ |
| 244 | |
Kim Phillips | 20051f2 | 2012-10-29 13:34:29 +0000 | [diff] [blame] | 245 | static init_fnc_t *init_sequence[] = { |
Poonam Aggrwal | 0e87098 | 2009-07-31 12:08:14 +0530 | [diff] [blame] | 246 | #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) |
| 247 | probecpu, |
| 248 | #endif |
Anton Vorontsov | 91525c6 | 2009-10-12 23:55:39 +0400 | [diff] [blame] | 249 | #if defined(CONFIG_BOARD_EARLY_INIT_F) |
| 250 | board_early_init_f, |
| 251 | #endif |
wdenk | 66ca92a | 2004-09-28 17:59:53 +0000 | [diff] [blame] | 252 | #if !defined(CONFIG_8xx_CPUCLK_DEFAULT) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 253 | get_clocks, /* get CPU and bus clocks (etc.) */ |
Markus Klotzbuecher | 090eb73 | 2006-07-12 15:26:01 +0200 | [diff] [blame] | 254 | #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \ |
| 255 | && !defined(CONFIG_TQM885D) |
wdenk | e9132ea | 2004-04-24 23:23:30 +0000 | [diff] [blame] | 256 | adjust_sdram_tbs_8xx, |
| 257 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 258 | init_timebase, |
wdenk | c178d3d | 2004-01-24 20:25:54 +0000 | [diff] [blame] | 259 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 260 | #ifdef CONFIG_SYS_ALLOC_DPRAM |
Jon Loeliger | 9c4c5ae | 2005-07-23 10:37:35 -0500 | [diff] [blame] | 261 | #if !defined(CONFIG_CPM2) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 262 | dpram_init, |
| 263 | #endif |
wdenk | 7aa7861 | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 264 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 265 | #if defined(CONFIG_BOARD_POSTCLK_INIT) |
| 266 | board_postclk_init, |
| 267 | #endif |
| 268 | env_init, |
wdenk | 66ca92a | 2004-09-28 17:59:53 +0000 | [diff] [blame] | 269 | #if defined(CONFIG_8xx_CPUCLK_DEFAULT) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 270 | /* get CPU and bus clocks according to the environment variable */ |
| 271 | get_clocks_866, |
| 272 | /* adjust sdram refresh rate according to the new clock */ |
| 273 | sdram_adjust_866, |
wdenk | c178d3d | 2004-01-24 20:25:54 +0000 | [diff] [blame] | 274 | init_timebase, |
| 275 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 276 | init_baudrate, |
| 277 | serial_init, |
| 278 | console_init_f, |
| 279 | display_options, |
| 280 | #if defined(CONFIG_8260) |
| 281 | prt_8260_rsr, |
| 282 | prt_8260_clks, |
| 283 | #endif /* CONFIG_8260 */ |
Peter Tyser | 0f89860 | 2009-05-22 17:23:24 -0500 | [diff] [blame] | 284 | #if defined(CONFIG_MPC83xx) |
Dave Liu | 9be39a6 | 2007-06-25 10:41:56 +0800 | [diff] [blame] | 285 | prt_83xx_rsr, |
| 286 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 287 | checkcpu, |
wdenk | cbd8a35 | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 288 | #if defined(CONFIG_MPC5xxx) |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 289 | prt_mpc5xxx_clks, |
wdenk | cbd8a35 | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 290 | #endif /* CONFIG_MPC5xxx */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 291 | checkboard, |
| 292 | INIT_FUNC_WATCHDOG_INIT |
wdenk | c837dcb | 2004-01-20 23:12:12 +0000 | [diff] [blame] | 293 | #if defined(CONFIG_MISC_INIT_F) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 294 | misc_init_f, |
| 295 | #endif |
| 296 | INIT_FUNC_WATCHDOG_RESET |
Heiko Schocher | ea818db | 2013-01-29 08:53:15 +0100 | [diff] [blame] | 297 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 298 | init_func_i2c, |
| 299 | #endif |
Ben Warren | 04a9e11 | 2008-01-16 22:37:35 -0500 | [diff] [blame] | 300 | #if defined(CONFIG_HARD_SPI) |
| 301 | init_func_spi, |
| 302 | #endif |
wdenk | 4532cb6 | 2003-04-27 22:52:51 +0000 | [diff] [blame] | 303 | #ifdef CONFIG_POST |
| 304 | post_init_f, |
| 305 | #endif |
Simon Glass | 6f6430d | 2013-03-11 14:30:37 +0000 | [diff] [blame] | 306 | INIT_FUNC_WATCHDOG_RESET |
| 307 | init_func_ram, |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 308 | #if defined(CONFIG_SYS_DRAM_TEST) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 309 | testdram, |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 310 | #endif /* CONFIG_SYS_DRAM_TEST */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 311 | INIT_FUNC_WATCHDOG_RESET |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 312 | NULL, /* Terminate this list */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 313 | }; |
| 314 | |
Kim Phillips | 20051f2 | 2012-10-29 13:34:29 +0000 | [diff] [blame] | 315 | static int __fixup_cpu(void) |
York Sun | 123bd96 | 2012-08-17 08:20:22 +0000 | [diff] [blame] | 316 | { |
| 317 | return 0; |
| 318 | } |
| 319 | |
| 320 | int fixup_cpu(void) __attribute__((weak, alias("__fixup_cpu"))); |
| 321 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 322 | /* |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 323 | * This is the first part of the initialization sequence that is |
| 324 | * implemented in C, but still running from ROM. |
| 325 | * |
| 326 | * The main purpose is to provide a (serial) console interface as |
| 327 | * soon as possible (so we can see any error messages), and to |
| 328 | * initialize the RAM so that we can relocate the monitor code to |
| 329 | * RAM. |
| 330 | * |
| 331 | * Be aware of the restrictions: global data is read-only, BSS is not |
| 332 | * initialized, and stack space is limited to a few kB. |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 333 | */ |
| 334 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 335 | void board_init_f(ulong bootflag) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 336 | { |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 337 | bd_t *bd; |
| 338 | ulong len, addr, addr_sp; |
Wolfgang Denk | 7bc5ee0 | 2005-08-26 01:36:03 +0200 | [diff] [blame] | 339 | ulong *s; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 340 | gd_t *id; |
| 341 | init_fnc_t **init_fnc_ptr; |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 342 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 343 | #ifdef CONFIG_PRAM |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 344 | ulong reg; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 345 | #endif |
| 346 | |
| 347 | /* Pointer is writable since we allocated a register for it */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 348 | gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); |
wdenk | 93f6a67 | 2004-07-01 20:28:03 +0000 | [diff] [blame] | 349 | /* compiler optimization barrier needed for GCC >= 3.4 */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 350 | __asm__ __volatile__("":::"memory"); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 351 | |
Detlev Zundel | 82826d5 | 2010-01-22 14:47:59 +0100 | [diff] [blame] | 352 | #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \ |
| 353 | !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \ |
| 354 | !defined(CONFIG_MPC86xx) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 355 | /* Clear initial global data */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 356 | memset((void *) gd, 0, sizeof(gd_t)); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 357 | #endif |
| 358 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 359 | for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) |
| 360 | if ((*init_fnc_ptr) () != 0) |
| 361 | hang(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 362 | |
Bernhard Kaindl | 9d256b6 | 2011-10-16 00:07:08 +0000 | [diff] [blame] | 363 | #ifdef CONFIG_POST |
| 364 | post_bootmode_init(); |
Kim Phillips | 20051f2 | 2012-10-29 13:34:29 +0000 | [diff] [blame] | 365 | post_run(NULL, POST_ROM | post_bootmode_get(NULL)); |
Bernhard Kaindl | 9d256b6 | 2011-10-16 00:07:08 +0000 | [diff] [blame] | 366 | #endif |
| 367 | |
| 368 | WATCHDOG_RESET(); |
| 369 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 370 | /* |
| 371 | * Now that we have DRAM mapped and working, we can |
| 372 | * relocate the code and continue running from DRAM. |
| 373 | * |
| 374 | * Reserve memory at end of RAM for (top down in that order): |
Stefan Roese | 14f73ca | 2008-03-26 10:14:11 +0100 | [diff] [blame] | 375 | * - area that won't get touched by U-Boot and Linux (optional) |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 376 | * - kernel log buffer |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 377 | * - protected RAM |
| 378 | * - LCD framebuffer |
| 379 | * - monitor code |
| 380 | * - board info struct |
| 381 | */ |
Simon Glass | 3929fb0 | 2013-03-14 06:54:53 +0000 | [diff] [blame] | 382 | len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 383 | |
Stefan Roese | 14f73ca | 2008-03-26 10:14:11 +0100 | [diff] [blame] | 384 | /* |
| 385 | * Subtract specified amount of memory to hide so that it won't |
| 386 | * get "touched" at all by U-Boot. By fixing up gd->ram_size |
| 387 | * the Linux kernel should now get passed the now "corrected" |
| 388 | * memory size and won't touch it either. This should work |
| 389 | * for arch/ppc and arch/powerpc. Only Linux board ports in |
| 390 | * arch/powerpc with bootwrapper support, that recalculate the |
| 391 | * memory size from the SDRAM controller setup will have to |
| 392 | * get fixed. |
| 393 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 394 | gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE; |
Stefan Roese | 14f73ca | 2008-03-26 10:14:11 +0100 | [diff] [blame] | 395 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 396 | addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 397 | |
Kumar Gala | fc39c2fd | 2009-03-31 17:58:13 -0500 | [diff] [blame] | 398 | #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500)) |
| 399 | /* |
| 400 | * We need to make sure the location we intend to put secondary core |
| 401 | * boot code is reserved and not used by any part of u-boot |
Wolfgang Denk | c0a14ae | 2009-04-05 00:27:57 +0200 | [diff] [blame] | 402 | */ |
York Sun | eb53941 | 2012-10-08 07:44:25 +0000 | [diff] [blame] | 403 | if (addr > determine_mp_bootpg(NULL)) { |
| 404 | addr = determine_mp_bootpg(NULL); |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 405 | debug("Reserving MP boot page to %08lx\n", addr); |
Kumar Gala | fc39c2fd | 2009-03-31 17:58:13 -0500 | [diff] [blame] | 406 | } |
| 407 | #endif |
| 408 | |
wdenk | 228f29a | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 409 | #ifdef CONFIG_LOGBUFFER |
Yuri Tikhonov | 3d61018 | 2008-02-06 18:48:36 +0100 | [diff] [blame] | 410 | #ifndef CONFIG_ALT_LB_ADDR |
wdenk | 228f29a | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 411 | /* reserve kernel log buffer */ |
| 412 | addr -= (LOGBUFF_RESERVE); |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 413 | debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, |
| 414 | addr); |
wdenk | 228f29a | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 415 | #endif |
Yuri Tikhonov | 3d61018 | 2008-02-06 18:48:36 +0100 | [diff] [blame] | 416 | #endif |
wdenk | 228f29a | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 417 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 418 | #ifdef CONFIG_PRAM |
| 419 | /* |
| 420 | * reserve protected RAM |
| 421 | */ |
Simon Glass | 1272592 | 2011-10-13 14:43:12 +0000 | [diff] [blame] | 422 | reg = getenv_ulong("pram", 10, CONFIG_PRAM); |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 423 | addr -= (reg << 10); /* size is in kB */ |
Simon Glass | 1272592 | 2011-10-13 14:43:12 +0000 | [diff] [blame] | 424 | debug("Reserving %ldk for protected RAM at %08lx\n", reg, addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 425 | #endif /* CONFIG_PRAM */ |
| 426 | |
| 427 | /* round down to next 4 kB limit */ |
| 428 | addr &= ~(4096 - 1); |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 429 | debug("Top of RAM usable for U-Boot at: %08lx\n", addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 430 | |
| 431 | #ifdef CONFIG_LCD |
Minkyu Kang | d32a1a4 | 2011-04-24 22:22:34 +0000 | [diff] [blame] | 432 | #ifdef CONFIG_FB_ADDR |
| 433 | gd->fb_base = CONFIG_FB_ADDR; |
| 434 | #else |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 435 | /* reserve memory for LCD display (always full pages) */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 436 | addr = lcd_setmem(addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 437 | gd->fb_base = addr; |
Minkyu Kang | d32a1a4 | 2011-04-24 22:22:34 +0000 | [diff] [blame] | 438 | #endif /* CONFIG_FB_ADDR */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 439 | #endif /* CONFIG_LCD */ |
| 440 | |
| 441 | #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx) |
| 442 | /* reserve memory for video display (always full pages) */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 443 | addr = video_setmem(addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 444 | gd->fb_base = addr; |
| 445 | #endif /* CONFIG_VIDEO */ |
| 446 | |
| 447 | /* |
| 448 | * reserve memory for U-Boot code, data & bss |
wdenk | 682011f | 2003-06-03 23:54:09 +0000 | [diff] [blame] | 449 | * round down to next 4 kB limit |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 450 | */ |
| 451 | addr -= len; |
wdenk | 682011f | 2003-06-03 23:54:09 +0000 | [diff] [blame] | 452 | addr &= ~(4096 - 1); |
Wolfgang Denk | 7d31499 | 2005-10-05 00:00:54 +0200 | [diff] [blame] | 453 | #ifdef CONFIG_E500 |
| 454 | /* round down to next 64 kB limit so that IVPR stays aligned */ |
| 455 | addr &= ~(65536 - 1); |
| 456 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 457 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 458 | debug("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 459 | |
| 460 | /* |
| 461 | * reserve memory for malloc() arena |
| 462 | */ |
| 463 | addr_sp = addr - TOTAL_MALLOC_LEN; |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 464 | debug("Reserving %dk for malloc() at: %08lx\n", |
| 465 | TOTAL_MALLOC_LEN >> 10, addr_sp); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 466 | |
| 467 | /* |
| 468 | * (permanently) allocate a Board Info struct |
| 469 | * and a permanent copy of the "global" data |
| 470 | */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 471 | addr_sp -= sizeof(bd_t); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 472 | bd = (bd_t *) addr_sp; |
Peter Tyser | a1c4864 | 2010-09-14 19:13:51 -0500 | [diff] [blame] | 473 | memset(bd, 0, sizeof(bd_t)); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 474 | gd->bd = bd; |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 475 | debug("Reserving %zu Bytes for Board Info at: %08lx\n", |
| 476 | sizeof(bd_t), addr_sp); |
| 477 | addr_sp -= sizeof(gd_t); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 478 | id = (gd_t *) addr_sp; |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 479 | debug("Reserving %zu Bytes for Global Data at: %08lx\n", |
| 480 | sizeof(gd_t), addr_sp); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 481 | |
| 482 | /* |
| 483 | * Finally, we set up a new (bigger) stack. |
| 484 | * |
| 485 | * Leave some safety gap for SP, force alignment on 16 byte boundary |
| 486 | * Clear initial stack frame |
| 487 | */ |
| 488 | addr_sp -= 16; |
| 489 | addr_sp &= ~0xF; |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 490 | s = (ulong *) addr_sp; |
Joakim Tjernlund | 7de8a71 | 2012-07-23 10:58:03 +0000 | [diff] [blame] | 491 | *s = 0; /* Terminate back chain */ |
| 492 | *++s = 0; /* NULL return address */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 493 | debug("Stack Pointer at: %08lx\n", addr_sp); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 494 | |
| 495 | /* |
| 496 | * Save local variables to board info struct |
| 497 | */ |
| 498 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 499 | bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of memory */ |
| 500 | bd->bi_memsize = gd->ram_size; /* size in bytes */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 501 | |
Wolfgang Denk | 3611665 | 2010-08-11 09:38:31 +0200 | [diff] [blame] | 502 | #ifdef CONFIG_SYS_SRAM_BASE |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 503 | bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM */ |
| 504 | bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 505 | #endif |
| 506 | |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 507 | #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \ |
Jon Loeliger | debb735 | 2006-04-26 17:58:56 -0500 | [diff] [blame] | 508 | defined(CONFIG_E500) || defined(CONFIG_MPC86xx) |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 509 | bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 510 | #endif |
wdenk | cbd8a35 | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 511 | #if defined(CONFIG_MPC5xxx) |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 512 | bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 513 | #endif |
Peter Tyser | 0f89860 | 2009-05-22 17:23:24 -0500 | [diff] [blame] | 514 | #if defined(CONFIG_MPC83xx) |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 515 | bd->bi_immrbar = CONFIG_SYS_IMMR; |
Eran Liberty | f046ccd | 2005-07-28 10:08:46 -0500 | [diff] [blame] | 516 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 517 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 518 | WATCHDOG_RESET(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 519 | bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */ |
| 520 | bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */ |
Jon Loeliger | 9c4c5ae | 2005-07-23 10:37:35 -0500 | [diff] [blame] | 521 | #if defined(CONFIG_CPM2) |
Simon Glass | 748cd05 | 2012-12-13 20:48:46 +0000 | [diff] [blame] | 522 | bd->bi_cpmfreq = gd->arch.cpm_clk; |
Simon Glass | 1206c18 | 2012-12-13 20:48:44 +0000 | [diff] [blame] | 523 | bd->bi_brgfreq = gd->arch.brg_clk; |
Simon Glass | 748cd05 | 2012-12-13 20:48:46 +0000 | [diff] [blame] | 524 | bd->bi_sccfreq = gd->arch.scc_clk; |
| 525 | bd->bi_vco = gd->arch.vco_out; |
Jon Loeliger | 9c4c5ae | 2005-07-23 10:37:35 -0500 | [diff] [blame] | 526 | #endif /* CONFIG_CPM2 */ |
Grzegorz Bernacki | 281ff9a | 2008-01-08 17:16:15 +0100 | [diff] [blame] | 527 | #if defined(CONFIG_MPC512X) |
Simon Glass | fefb098 | 2012-12-13 20:48:54 +0000 | [diff] [blame] | 528 | bd->bi_ipsfreq = gd->arch.ips_clk; |
Grzegorz Bernacki | 281ff9a | 2008-01-08 17:16:15 +0100 | [diff] [blame] | 529 | #endif /* CONFIG_MPC512X */ |
wdenk | cbd8a35 | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 530 | #if defined(CONFIG_MPC5xxx) |
Simon Glass | b287749 | 2012-12-13 20:48:53 +0000 | [diff] [blame] | 531 | bd->bi_ipbfreq = gd->arch.ipb_clk; |
wdenk | 945af8d | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 532 | bd->bi_pcifreq = gd->pci_clk; |
wdenk | cbd8a35 | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 533 | #endif /* CONFIG_MPC5xxx */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 534 | bd->bi_baudrate = gd->baudrate; /* Console Baudrate */ |
| 535 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 536 | #ifdef CONFIG_SYS_EXTBDINFO |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 537 | strncpy((char *) bd->bi_s_version, "1.2", sizeof(bd->bi_s_version)); |
| 538 | strncpy((char *) bd->bi_r_version, U_BOOT_VERSION, |
| 539 | sizeof(bd->bi_r_version)); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 540 | |
| 541 | bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */ |
| 542 | bd->bi_plb_busfreq = gd->bus_clk; |
Stefan Roese | 343c48b | 2007-05-11 12:01:06 +0200 | [diff] [blame] | 543 | #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \ |
| 544 | defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ |
| 545 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 546 | bd->bi_pci_busfreq = get_PCI_freq(); |
| 547 | bd->bi_opbfreq = get_OPB_freq(); |
Michal Simek | 9fea65a | 2008-06-24 09:54:09 +0200 | [diff] [blame] | 548 | #elif defined(CONFIG_XILINX_405) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 549 | bd->bi_pci_busfreq = get_PCI_freq(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 550 | #endif |
| 551 | #endif |
| 552 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 553 | debug("New Stack Pointer is: %08lx\n", addr_sp); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 554 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 555 | WATCHDOG_RESET(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 556 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 557 | gd->relocaddr = addr; /* Store relocation addr, useful for debug */ |
Richard Retanubun | 4b99327 | 2010-01-15 10:06:06 -0500 | [diff] [blame] | 558 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 559 | memcpy(id, (void *) gd, sizeof(gd_t)); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 560 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 561 | relocate_code(addr_sp, id, addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 562 | |
| 563 | /* NOTREACHED - relocate_code() does not return */ |
| 564 | } |
| 565 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 566 | /* |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 567 | * This is the next part if the initialization sequence: we are now |
| 568 | * running from RAM and have a "normal" C environment, i. e. global |
| 569 | * data can be written, BSS has been cleared, the stack size in not |
| 570 | * that critical any more, etc. |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 571 | */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 572 | void board_init_r(gd_t *id, ulong dest_addr) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 573 | { |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 574 | bd_t *bd; |
Peter Tyser | a483a16 | 2009-08-21 23:05:20 -0500 | [diff] [blame] | 575 | ulong malloc_start; |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 576 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 577 | #ifndef CONFIG_SYS_NO_FLASH |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 578 | ulong flash_size; |
| 579 | #endif |
| 580 | |
| 581 | gd = id; /* initialize RAM version of global data */ |
| 582 | bd = gd->bd; |
| 583 | |
| 584 | gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ |
Grant Likely | f82b3b6 | 2007-07-03 00:34:19 -0600 | [diff] [blame] | 585 | |
Peter Tyser | d4e8ada | 2009-08-21 23:05:21 -0500 | [diff] [blame] | 586 | /* The Malloc area is immediately below the monitor copy in DRAM */ |
Peter Tyser | a483a16 | 2009-08-21 23:05:20 -0500 | [diff] [blame] | 587 | malloc_start = dest_addr - TOTAL_MALLOC_LEN; |
Kumar Gala | 13d46ab | 2009-09-01 21:07:08 -0500 | [diff] [blame] | 588 | |
Peter Tyser | f947690 | 2009-12-15 12:10:47 -0600 | [diff] [blame] | 589 | #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) |
| 590 | /* |
Simon Glass | 67ac13b | 2012-12-13 20:48:48 +0000 | [diff] [blame] | 591 | * The gd->arch.cpu pointer is set to an address in flash before |
| 592 | * relocation. We need to update it to point to the same CPU entry |
| 593 | * in RAM. |
Peter Tyser | f947690 | 2009-12-15 12:10:47 -0600 | [diff] [blame] | 594 | */ |
Simon Glass | 67ac13b | 2012-12-13 20:48:48 +0000 | [diff] [blame] | 595 | gd->arch.cpu += dest_addr - CONFIG_SYS_MONITOR_BASE; |
York Sun | 123bd96 | 2012-08-17 08:20:22 +0000 | [diff] [blame] | 596 | |
| 597 | /* |
| 598 | * If we didn't know the cpu mask & # cores, we can save them of |
| 599 | * now rather than 'computing' them constantly |
| 600 | */ |
| 601 | fixup_cpu(); |
Peter Tyser | f947690 | 2009-12-15 12:10:47 -0600 | [diff] [blame] | 602 | #endif |
| 603 | |
Kumar Gala | a55bb83 | 2010-11-29 14:32:11 -0600 | [diff] [blame] | 604 | #ifdef CONFIG_SYS_EXTRA_ENV_RELOC |
| 605 | /* |
| 606 | * Some systems need to relocate the env_addr pointer early because the |
| 607 | * location it points to will get invalidated before env_relocate is |
| 608 | * called. One example is on systems that might use a L2 or L3 cache |
| 609 | * in SRAM mode and initialize that cache from SRAM mode back to being |
| 610 | * a cache in cpu_init_r. |
| 611 | */ |
| 612 | gd->env_addr += dest_addr - CONFIG_SYS_MONITOR_BASE; |
| 613 | #endif |
| 614 | |
Marian Balakowicz | bb105f2 | 2006-06-30 15:27:09 +0200 | [diff] [blame] | 615 | serial_initialize(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 616 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 617 | debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 618 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 619 | WATCHDOG_RESET(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 620 | |
Becky Bruce | d025aa4 | 2008-10-31 17:14:39 -0500 | [diff] [blame] | 621 | /* |
| 622 | * Setup trap handlers |
| 623 | */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 624 | trap_init(dest_addr); |
Becky Bruce | d025aa4 | 2008-10-31 17:14:39 -0500 | [diff] [blame] | 625 | |
Becky Bruce | c9315e6 | 2009-02-03 18:10:52 -0600 | [diff] [blame] | 626 | #ifdef CONFIG_ADDR_MAP |
Kumar Gala | ecf5b98 | 2008-12-16 14:59:20 -0600 | [diff] [blame] | 627 | init_addr_map(); |
| 628 | #endif |
| 629 | |
wdenk | c837dcb | 2004-01-20 23:12:12 +0000 | [diff] [blame] | 630 | #if defined(CONFIG_BOARD_EARLY_INIT_R) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 631 | board_early_init_r(); |
wdenk | c837dcb | 2004-01-20 23:12:12 +0000 | [diff] [blame] | 632 | #endif |
| 633 | |
wdenk | 3b57fe0 | 2003-05-30 12:48:29 +0000 | [diff] [blame] | 634 | monitor_flash_len = (ulong)&__init_end - dest_addr; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 635 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 636 | WATCHDOG_RESET(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 637 | |
wdenk | 56f94be | 2002-11-05 16:35:14 +0000 | [diff] [blame] | 638 | #ifdef CONFIG_LOGBUFFER |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 639 | logbuff_init_ptrs(); |
wdenk | 56f94be | 2002-11-05 16:35:14 +0000 | [diff] [blame] | 640 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 641 | #ifdef CONFIG_POST |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 642 | post_output_backlog(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 643 | #endif |
| 644 | |
| 645 | WATCHDOG_RESET(); |
| 646 | |
Kim Phillips | 1a2e203 | 2010-04-20 19:37:54 -0500 | [diff] [blame] | 647 | #if defined(CONFIG_SYS_DELAYED_ICACHE) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 648 | icache_enable(); /* it's time to enable the instruction cache */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 649 | #endif |
| 650 | |
Wolfgang Denk | 9c67352 | 2009-07-26 23:28:02 +0200 | [diff] [blame] | 651 | #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) |
| 652 | unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */ |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 653 | #endif |
| 654 | |
Andre Schwarz | 76221a6 | 2010-10-05 11:59:31 +0200 | [diff] [blame] | 655 | #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 656 | /* |
Andre Schwarz | 76221a6 | 2010-10-05 11:59:31 +0200 | [diff] [blame] | 657 | * Do early PCI configuration _before_ the flash gets initialised, |
| 658 | * because PCU ressources are crucial for flash access on some boards. |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 659 | */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 660 | pci_init(); |
wdenk | 3bac351 | 2003-03-12 10:41:04 +0000 | [diff] [blame] | 661 | #endif |
Wolfgang Denk | 57d6c58 | 2010-11-23 23:17:18 +0100 | [diff] [blame] | 662 | #if defined(CONFIG_WINBOND_83C553) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 663 | /* |
| 664 | * Initialise the ISA bridge |
| 665 | */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 666 | initialise_w83c553f(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 667 | #endif |
| 668 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 669 | asm("sync ; isync"); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 670 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 671 | mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN); |
Stefan Roese | c790b04 | 2009-05-11 15:50:12 +0200 | [diff] [blame] | 672 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 673 | #if !defined(CONFIG_SYS_NO_FLASH) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 674 | puts("Flash: "); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 675 | |
John Schmoller | c62491d | 2010-09-29 14:05:44 -0500 | [diff] [blame] | 676 | if (board_flash_wp_on()) { |
| 677 | printf("Uninitialized - Write Protect On\n"); |
| 678 | /* Since WP is on, we can't find real size. Set to 0 */ |
| 679 | flash_size = 0; |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 680 | } else if ((flash_size = flash_init()) > 0) { |
| 681 | #ifdef CONFIG_SYS_FLASH_CHECKSUM |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 682 | print_size(flash_size, ""); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 683 | /* |
| 684 | * Compute and print flash CRC if flashchecksum is set to 'y' |
| 685 | * |
| 686 | * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX |
| 687 | */ |
Joe Hershberger | ec8a252 | 2012-12-11 22:16:22 -0600 | [diff] [blame] | 688 | if (getenv_yesno("flashchecksum") == 1) { |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 689 | printf(" CRC: %08X", |
| 690 | crc32(0, |
| 691 | (const unsigned char *) |
| 692 | CONFIG_SYS_FLASH_BASE, flash_size) |
| 693 | ); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 694 | } |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 695 | putc('\n'); |
| 696 | #else /* !CONFIG_SYS_FLASH_CHECKSUM */ |
| 697 | print_size(flash_size, "\n"); |
| 698 | #endif /* CONFIG_SYS_FLASH_CHECKSUM */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 699 | } else { |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 700 | puts(failed); |
| 701 | hang(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 702 | } |
| 703 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 704 | /* update start of FLASH memory */ |
| 705 | bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; |
| 706 | /* size of FLASH memory (final value) */ |
| 707 | bd->bi_flashsize = flash_size; |
Heiko Schocher | fa23044 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 708 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 709 | #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) |
Heiko Schocher | fa23044 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 710 | /* Make a update of the Memctrl. */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 711 | update_flash_size(flash_size); |
Heiko Schocher | fa23044 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 712 | #endif |
| 713 | |
| 714 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 715 | #if defined(CONFIG_OXC) || defined(CONFIG_RMU) |
wdenk | 7e78036 | 2004-04-08 22:31:29 +0000 | [diff] [blame] | 716 | /* flash mapped at end of memory map */ |
Wolfgang Denk | 14d0a02 | 2010-10-07 21:51:12 +0200 | [diff] [blame] | 717 | bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size; |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 718 | #elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE |
| 719 | bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */ |
| 720 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 721 | #endif /* !CONFIG_SYS_NO_FLASH */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 722 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 723 | WATCHDOG_RESET(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 724 | |
| 725 | /* initialize higher level parts of CPU like time base and timers */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 726 | cpu_init_r(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 727 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 728 | WATCHDOG_RESET(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 729 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 730 | #ifdef CONFIG_SPI |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 731 | #if !defined(CONFIG_ENV_IS_IN_EEPROM) |
| 732 | spi_init_f(); |
| 733 | #endif |
| 734 | spi_init_r(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 735 | #endif |
| 736 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 737 | #if defined(CONFIG_CMD_NAND) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 738 | WATCHDOG_RESET(); |
| 739 | puts("NAND: "); |
Stefan Roese | 887e2ec | 2006-09-07 11:51:23 +0200 | [diff] [blame] | 740 | nand_init(); /* go init the NAND */ |
| 741 | #endif |
| 742 | |
Terry Lv | a806035 | 2010-05-17 10:57:01 +0800 | [diff] [blame] | 743 | #ifdef CONFIG_GENERIC_MMC |
| 744 | /* |
| 745 | * MMC initialization is called before relocating env. |
| 746 | * Thus It is required that operations like pin multiplexer |
| 747 | * be put in board_init. |
| 748 | */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 749 | WATCHDOG_RESET(); |
| 750 | puts("MMC: "); |
| 751 | mmc_initialize(bd); |
Terry Lv | a806035 | 2010-05-17 10:57:01 +0800 | [diff] [blame] | 752 | #endif |
| 753 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 754 | /* relocate environment function pointers etc. */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 755 | env_relocate(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 756 | |
| 757 | /* |
Kumar Gala | f9a33f1 | 2011-02-02 11:23:50 -0600 | [diff] [blame] | 758 | * after non-volatile devices & environment is setup and cpu code have |
| 759 | * another round to deal with any initialization that might require |
| 760 | * full access to the environment or loading of some image (firmware) |
| 761 | * from a non-volatile device |
| 762 | */ |
| 763 | cpu_secondary_init_r(); |
| 764 | |
| 765 | /* |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 766 | * Fill in missing fields of bd_info. |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 767 | * We do this here, where we have "normal" access to the |
| 768 | * environment; we used to do this still running from ROM, |
Wolfgang Denk | cdb7497 | 2010-07-24 21:55:43 +0200 | [diff] [blame] | 769 | * where had to use getenv_f(), which can be pretty slow when |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 770 | * the environment is in EEPROM. |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 771 | */ |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 772 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 773 | #if defined(CONFIG_SYS_EXTBDINFO) |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 774 | #if defined(CONFIG_405GP) || defined(CONFIG_405EP) |
| 775 | #if defined(CONFIG_I2CFAST) |
| 776 | /* |
| 777 | * set bi_iic_fast for linux taking environment variable |
| 778 | * "i2cfast" into account |
| 779 | */ |
| 780 | { |
Joe Hershberger | ec8a252 | 2012-12-11 22:16:22 -0600 | [diff] [blame] | 781 | if (getenv_yesno("i2cfast") == 1) { |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 782 | bd->bi_iic_fast[0] = 1; |
| 783 | bd->bi_iic_fast[1] = 1; |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 784 | } |
| 785 | } |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 786 | #endif /* CONFIG_I2CFAST */ |
| 787 | #endif /* CONFIG_405GP, CONFIG_405EP */ |
| 788 | #endif /* CONFIG_SYS_EXTBDINFO */ |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 789 | |
Wolfgang Denk | 9045f33 | 2007-06-08 10:24:58 +0200 | [diff] [blame] | 790 | #if defined(CONFIG_SC3) |
Heiko Schocher | ca43ba1 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 791 | sc3_read_eeprom(); |
| 792 | #endif |
Haiying Wang | d59feff | 2008-01-16 17:12:12 -0500 | [diff] [blame] | 793 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 794 | #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET) |
Haiying Wang | d59feff | 2008-01-16 17:12:12 -0500 | [diff] [blame] | 795 | mac_read_from_eeprom(); |
| 796 | #endif |
| 797 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 798 | #ifdef CONFIG_HERMES |
| 799 | if ((gd->board_type >> 16) == 2) |
| 800 | bd->bi_ethspeed = gd->board_type & 0xFFFF; |
| 801 | else |
| 802 | bd->bi_ethspeed = 0xFFFF; |
| 803 | #endif |
| 804 | |
Stefan Roese | 02a301c | 2009-02-25 12:11:15 +0100 | [diff] [blame] | 805 | #ifdef CONFIG_CMD_NET |
Mike Frysinger | eb85aa5 | 2009-02-11 20:07:19 -0500 | [diff] [blame] | 806 | /* kept around for legacy kernels only ... ignore the next section */ |
| 807 | eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr); |
wdenk | e2ffd59 | 2004-12-31 09:32:47 +0000 | [diff] [blame] | 808 | #ifdef CONFIG_HAS_ETH1 |
Mike Frysinger | eb85aa5 | 2009-02-11 20:07:19 -0500 | [diff] [blame] | 809 | eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 810 | #endif |
wdenk | e2ffd59 | 2004-12-31 09:32:47 +0000 | [diff] [blame] | 811 | #ifdef CONFIG_HAS_ETH2 |
Mike Frysinger | eb85aa5 | 2009-02-11 20:07:19 -0500 | [diff] [blame] | 812 | eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 813 | #endif |
wdenk | e2ffd59 | 2004-12-31 09:32:47 +0000 | [diff] [blame] | 814 | #ifdef CONFIG_HAS_ETH3 |
Mike Frysinger | eb85aa5 | 2009-02-11 20:07:19 -0500 | [diff] [blame] | 815 | eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr); |
wdenk | ba56f62 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 816 | #endif |
richardretanubun | c68a05f | 2008-09-29 18:28:23 -0400 | [diff] [blame] | 817 | #ifdef CONFIG_HAS_ETH4 |
Mike Frysinger | eb85aa5 | 2009-02-11 20:07:19 -0500 | [diff] [blame] | 818 | eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr); |
richardretanubun | c68a05f | 2008-09-29 18:28:23 -0400 | [diff] [blame] | 819 | #endif |
richardretanubun | c68a05f | 2008-09-29 18:28:23 -0400 | [diff] [blame] | 820 | #ifdef CONFIG_HAS_ETH5 |
Mike Frysinger | eb85aa5 | 2009-02-11 20:07:19 -0500 | [diff] [blame] | 821 | eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr); |
richardretanubun | c68a05f | 2008-09-29 18:28:23 -0400 | [diff] [blame] | 822 | #endif |
Stefan Roese | 02a301c | 2009-02-25 12:11:15 +0100 | [diff] [blame] | 823 | #endif /* CONFIG_CMD_NET */ |
richardretanubun | c68a05f | 2008-09-29 18:28:23 -0400 | [diff] [blame] | 824 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 825 | WATCHDOG_RESET(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 826 | |
Andre Schwarz | 76221a6 | 2010-10-05 11:59:31 +0200 | [diff] [blame] | 827 | #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 828 | /* |
| 829 | * Do pci configuration |
| 830 | */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 831 | pci_init(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 832 | #endif |
| 833 | |
| 834 | /** leave this here (after malloc(), environment and PCI are working) **/ |
Jean-Christophe PLAGNIOL-VILLARD | 52cb4d4 | 2009-05-16 12:14:54 +0200 | [diff] [blame] | 835 | /* Initialize stdio devices */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 836 | stdio_init(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 837 | |
wdenk | 27b207f | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 838 | /* Initialize the jump table for applications */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 839 | jumptable_init(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 840 | |
Rafal Jaworowski | 500856e | 2008-01-09 19:39:36 +0100 | [diff] [blame] | 841 | #if defined(CONFIG_API) |
| 842 | /* Initialize API */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 843 | api_init(); |
Rafal Jaworowski | 500856e | 2008-01-09 19:39:36 +0100 | [diff] [blame] | 844 | #endif |
| 845 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 846 | /* Initialize the console (after the relocation and devices init) */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 847 | console_init_r(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 848 | |
Peter Tyser | 3a8f28d | 2009-09-16 22:03:07 -0500 | [diff] [blame] | 849 | #if defined(CONFIG_MISC_INIT_R) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 850 | /* miscellaneous platform dependent initialisations */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 851 | misc_init_r(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 852 | #endif |
| 853 | |
| 854 | #ifdef CONFIG_HERMES |
| 855 | if (bd->bi_ethspeed != 0xFFFF) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 856 | hermes_start_lxt980((int) bd->bi_ethspeed); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 857 | #endif |
| 858 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 859 | #if defined(CONFIG_CMD_KGDB) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 860 | WATCHDOG_RESET(); |
| 861 | puts("KGDB: "); |
| 862 | kgdb_init(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 863 | #endif |
| 864 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 865 | debug("U-Boot relocated to %08lx\n", dest_addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 866 | |
| 867 | /* |
| 868 | * Enable Interrupts |
| 869 | */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 870 | interrupt_init(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 871 | |
Heiko Schocher | 566a494 | 2007-06-22 19:11:54 +0200 | [diff] [blame] | 872 | #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 873 | status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 874 | #endif |
| 875 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 876 | udelay(20); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 877 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 878 | /* Initialize from environment */ |
Simon Glass | 1272592 | 2011-10-13 14:43:12 +0000 | [diff] [blame] | 879 | load_addr = getenv_ulong("loadaddr", 16, load_addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 880 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 881 | WATCHDOG_RESET(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 882 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 883 | #if defined(CONFIG_CMD_SCSI) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 884 | WATCHDOG_RESET(); |
| 885 | puts("SCSI: "); |
| 886 | scsi_init(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 887 | #endif |
| 888 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 889 | #if defined(CONFIG_CMD_DOC) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 890 | WATCHDOG_RESET(); |
| 891 | puts("DOC: "); |
| 892 | doc_init(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 893 | #endif |
| 894 | |
Luigi 'Comio' Mantellini | 310cecb | 2009-10-10 12:42:21 +0200 | [diff] [blame] | 895 | #ifdef CONFIG_BITBANGMII |
| 896 | bb_miiphy_init(); |
| 897 | #endif |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 898 | #if defined(CONFIG_CMD_NET) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 899 | WATCHDOG_RESET(); |
| 900 | puts("Net: "); |
| 901 | eth_initialize(bd); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 902 | #endif |
| 903 | |
Peter Tyser | 004eca0 | 2009-09-16 22:03:08 -0500 | [diff] [blame] | 904 | #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 905 | WATCHDOG_RESET(); |
| 906 | debug("Reset Ethernet PHY\n"); |
| 907 | reset_phy(); |
Marian Balakowicz | 63ff004 | 2005-10-28 22:30:33 +0200 | [diff] [blame] | 908 | #endif |
| 909 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 910 | #ifdef CONFIG_POST |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 911 | post_run(NULL, POST_RAM | post_bootmode_get(0)); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 912 | #endif |
| 913 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 914 | #if defined(CONFIG_CMD_PCMCIA) \ |
| 915 | && !defined(CONFIG_CMD_IDE) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 916 | WATCHDOG_RESET(); |
| 917 | puts("PCMCIA:"); |
| 918 | pcmcia_init(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 919 | #endif |
| 920 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 921 | #if defined(CONFIG_CMD_IDE) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 922 | WATCHDOG_RESET(); |
| 923 | #ifdef CONFIG_IDE_8xx_PCCARD |
| 924 | puts("PCMCIA:"); |
| 925 | #else |
| 926 | puts("IDE: "); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 927 | #endif |
Heiko Schocher | ca43ba1 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 928 | #if defined(CONFIG_START_IDE) |
| 929 | if (board_start_ide()) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 930 | ide_init(); |
Heiko Schocher | ca43ba1 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 931 | #else |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 932 | ide_init(); |
Heiko Schocher | ca43ba1 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 933 | #endif |
Jon Loeliger | b3aff0c | 2007-07-10 11:19:50 -0500 | [diff] [blame] | 934 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 935 | |
| 936 | #ifdef CONFIG_LAST_STAGE_INIT |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 937 | WATCHDOG_RESET(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 938 | /* |
| 939 | * Some parts can be only initialized if all others (like |
| 940 | * Interrupts) are up and running (i.e. the PC-style ISA |
| 941 | * keyboard). |
| 942 | */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 943 | last_stage_init(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 944 | #endif |
| 945 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 946 | #if defined(CONFIG_CMD_BEDBUG) |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 947 | WATCHDOG_RESET(); |
| 948 | bedbug_init(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 949 | #endif |
| 950 | |
wdenk | 228f29a | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 951 | #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 952 | /* |
| 953 | * Export available size of memory for Linux, |
| 954 | * taking into account the protected RAM at top of memory |
| 955 | */ |
| 956 | { |
Simon Glass | 1272592 | 2011-10-13 14:43:12 +0000 | [diff] [blame] | 957 | ulong pram = 0; |
Simon Glass | d01b176 | 2012-01-05 17:54:57 +0000 | [diff] [blame] | 958 | char memsz[32]; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 959 | |
Simon Glass | 1272592 | 2011-10-13 14:43:12 +0000 | [diff] [blame] | 960 | #ifdef CONFIG_PRAM |
| 961 | pram = getenv_ulong("pram", 10, CONFIG_PRAM); |
wdenk | 228f29a | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 962 | #endif |
| 963 | #ifdef CONFIG_LOGBUFFER |
Yuri Tikhonov | 3d61018 | 2008-02-06 18:48:36 +0100 | [diff] [blame] | 964 | #ifndef CONFIG_ALT_LB_ADDR |
wdenk | 228f29a | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 965 | /* Also take the logbuffer into account (pram is in kB) */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 966 | pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024; |
wdenk | 228f29a | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 967 | #endif |
Yuri Tikhonov | 3d61018 | 2008-02-06 18:48:36 +0100 | [diff] [blame] | 968 | #endif |
Valentin Longchamp | 13287e3 | 2013-10-18 11:47:14 +0200 | [diff] [blame] | 969 | sprintf(memsz, "%ldk", (ulong) (bd->bi_memsize / 1024) - pram); |
Simon Glass | d01b176 | 2012-01-05 17:54:57 +0000 | [diff] [blame] | 970 | setenv("mem", memsz); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 971 | } |
| 972 | #endif |
| 973 | |
wdenk | 1c43771 | 2004-01-16 00:30:56 +0000 | [diff] [blame] | 974 | #ifdef CONFIG_PS2KBD |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 975 | puts("PS/2: "); |
wdenk | 1c43771 | 2004-01-16 00:30:56 +0000 | [diff] [blame] | 976 | kbd_init(); |
| 977 | #endif |
| 978 | |
wdenk | 4532cb6 | 2003-04-27 22:52:51 +0000 | [diff] [blame] | 979 | #ifdef CONFIG_MODEM_SUPPORT |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 980 | { |
| 981 | extern int do_mdm_init; |
| 982 | |
| 983 | do_mdm_init = gd->do_mdm_init; |
| 984 | } |
wdenk | 4532cb6 | 2003-04-27 22:52:51 +0000 | [diff] [blame] | 985 | #endif |
| 986 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 987 | /* Initialization complete - start the monitor */ |
| 988 | |
| 989 | /* main_loop() can return to retry autoboot, if so just run it again. */ |
| 990 | for (;;) { |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 991 | WATCHDOG_RESET(); |
| 992 | main_loop(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 993 | } |
| 994 | |
| 995 | /* NOTREACHED - no way out of command loop except booting */ |
| 996 | } |
| 997 | |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 998 | #if 0 /* We could use plain global data, but the resulting code is bigger */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 999 | /* |
| 1000 | * Pointer to initial global data area |
| 1001 | * |
| 1002 | * Here we initialize it. |
| 1003 | */ |
| 1004 | #undef XTRN_DECLARE_GLOBAL_DATA_PTR |
| 1005 | #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */ |
Wolfgang Denk | 9b998b0 | 2011-11-04 15:55:07 +0000 | [diff] [blame] | 1006 | DECLARE_GLOBAL_DATA_PTR = |
| 1007 | (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); |
| 1008 | #endif /* 0 */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 1009 | |
| 1010 | /************************************************************************/ |