wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 1 | /* |
Detlev Zundel | a2ea276 | 2010-01-22 14:47:59 +0100 | [diff] [blame] | 2 | * (C) Copyright 2000-2010 |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include <common.h> |
| 25 | #include <watchdog.h> |
| 26 | #include <command.h> |
| 27 | #include <malloc.h> |
Jean-Christophe PLAGNIOL-VILLARD | 2a7a031 | 2009-05-16 12:14:54 +0200 | [diff] [blame] | 28 | #include <stdio_dev.h> |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 29 | #ifdef CONFIG_8xx |
| 30 | #include <mpc8xx.h> |
| 31 | #endif |
wdenk | 359733b | 2003-03-31 17:27:09 +0000 | [diff] [blame] | 32 | #ifdef CONFIG_5xx |
| 33 | #include <mpc5xx.h> |
| 34 | #endif |
wdenk | be9c1cb | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 35 | #ifdef CONFIG_MPC5xxx |
wdenk | 21136db | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 36 | #include <mpc5xxx.h> |
| 37 | #endif |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 38 | #if defined(CONFIG_CMD_IDE) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 39 | #include <ide.h> |
| 40 | #endif |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 41 | #if defined(CONFIG_CMD_SCSI) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 42 | #include <scsi.h> |
| 43 | #endif |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 44 | #if defined(CONFIG_CMD_KGDB) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 45 | #include <kgdb.h> |
| 46 | #endif |
| 47 | #ifdef CONFIG_STATUS_LED |
| 48 | #include <status_led.h> |
| 49 | #endif |
| 50 | #include <net.h> |
Andy Fleming | ad347bb | 2008-10-30 16:41:01 -0500 | [diff] [blame] | 51 | #ifdef CONFIG_GENERIC_MMC |
| 52 | #include <mmc.h> |
| 53 | #endif |
wdenk | 7ac1610 | 2004-08-01 22:48:16 +0000 | [diff] [blame] | 54 | #include <serial.h> |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 55 | #ifdef CONFIG_SYS_ALLOC_DPRAM |
Jon Loeliger | f5ad378 | 2005-07-23 10:37:35 -0500 | [diff] [blame] | 56 | #if !defined(CONFIG_CPM2) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 57 | #include <commproc.h> |
| 58 | #endif |
wdenk | 541a76d | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 59 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 60 | #include <version.h> |
| 61 | #if defined(CONFIG_BAB7xx) |
| 62 | #include <w83c553f.h> |
| 63 | #endif |
| 64 | #include <dtt.h> |
| 65 | #if defined(CONFIG_POST) |
| 66 | #include <post.h> |
| 67 | #endif |
wdenk | 56f94be | 2002-11-05 16:35:14 +0000 | [diff] [blame] | 68 | #if defined(CONFIG_LOGBUFFER) |
| 69 | #include <logbuff.h> |
| 70 | #endif |
Wolfgang Denk | 1e0f07e | 2009-07-26 23:28:02 +0200 | [diff] [blame] | 71 | #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) |
wdenk | 9c53f40 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 72 | #include <asm/cache.h> |
| 73 | #endif |
wdenk | b983fa2 | 2004-01-16 00:30:56 +0000 | [diff] [blame] | 74 | #ifdef CONFIG_PS2KBD |
| 75 | #include <keyboard.h> |
| 76 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 77 | |
Kumar Gala | 9ac287a | 2008-12-16 14:59:20 -0600 | [diff] [blame] | 78 | #ifdef CONFIG_ADDR_MAP |
| 79 | #include <asm/mmu.h> |
| 80 | #endif |
| 81 | |
Kumar Gala | 04a3b14 | 2009-03-31 17:58:13 -0500 | [diff] [blame] | 82 | #ifdef CONFIG_MP |
| 83 | #include <asm/mp.h> |
| 84 | #endif |
| 85 | |
Luigi 'Comio' Mantellini | 01db155 | 2009-10-10 12:42:21 +0200 | [diff] [blame] | 86 | #ifdef CONFIG_BITBANGMII |
| 87 | #include <miiphy.h> |
| 88 | #endif |
| 89 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 90 | #ifdef CONFIG_SYS_UPDATE_FLASH_SIZE |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 91 | extern int update_flash_size (int flash_size); |
| 92 | #endif |
| 93 | |
Wolfgang Denk | d2a7a74 | 2007-06-08 10:24:58 +0200 | [diff] [blame] | 94 | #if defined(CONFIG_SC3) |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 95 | extern void sc3_read_eeprom(void); |
| 96 | #endif |
| 97 | |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 98 | #if defined(CONFIG_CMD_DOC) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 99 | void doc_init (void); |
| 100 | #endif |
| 101 | #if defined(CONFIG_HARD_I2C) || \ |
| 102 | defined(CONFIG_SOFT_I2C) |
| 103 | #include <i2c.h> |
| 104 | #endif |
Ben Warren | 7efe927 | 2008-01-16 22:37:35 -0500 | [diff] [blame] | 105 | #include <spi.h> |
Scott Wood | e898dfd | 2008-05-22 10:49:46 -0500 | [diff] [blame] | 106 | #include <nand.h> |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 107 | |
| 108 | static char *failed = "*** failed ***\n"; |
| 109 | |
wdenk | 9c07bf6 | 2004-04-10 20:43:50 +0000 | [diff] [blame] | 110 | #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 111 | extern flash_info_t flash_info[]; |
wdenk | 9c07bf6 | 2004-04-10 20:43:50 +0000 | [diff] [blame] | 112 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 113 | |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 114 | #if defined(CONFIG_START_IDE) |
| 115 | extern int board_start_ide(void); |
| 116 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 117 | #include <environment.h> |
Wolfgang Denk | 6405a15 | 2006-03-31 18:32:53 +0200 | [diff] [blame] | 118 | |
Wolfgang Denk | f4a70e4 | 2005-08-30 14:13:23 +0200 | [diff] [blame] | 119 | DECLARE_GLOBAL_DATA_PTR; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 120 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 121 | #if !defined(CONFIG_SYS_MEM_TOP_HIDE) |
| 122 | #define CONFIG_SYS_MEM_TOP_HIDE 0 |
Stefan Roese | 3b42332 | 2008-03-27 10:24:03 +0100 | [diff] [blame] | 123 | #endif |
| 124 | |
wdenk | b9a83a9 | 2003-05-30 12:48:29 +0000 | [diff] [blame] | 125 | extern ulong __init_end; |
| 126 | extern ulong _end; |
wdenk | b9a83a9 | 2003-05-30 12:48:29 +0000 | [diff] [blame] | 127 | ulong monitor_flash_len; |
| 128 | |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 129 | #if defined(CONFIG_CMD_BEDBUG) |
wdenk | 57b2d80 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 130 | #include <bedbug/type.h> |
| 131 | #endif |
| 132 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 133 | /************************************************************************ |
| 134 | * Utilities * |
| 135 | ************************************************************************ |
| 136 | */ |
| 137 | |
| 138 | /* |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 139 | * All attempts to come up with a "common" initialization sequence |
| 140 | * that works for all boards and architectures failed: some of the |
| 141 | * requirements are just _too_ different. To get rid of the resulting |
| 142 | * mess of board dependend #ifdef'ed code we now make the whole |
| 143 | * initialization sequence configurable to the user. |
| 144 | * |
| 145 | * The requirements for any new initalization function is simple: it |
| 146 | * receives a pointer to the "global data" structure as it's only |
| 147 | * argument, and returns an integer return code, where 0 means |
| 148 | * "continue" and != 0 means "fatal error, hang the system". |
| 149 | */ |
| 150 | typedef int (init_fnc_t) (void); |
| 151 | |
| 152 | /************************************************************************ |
| 153 | * Init Utilities * |
| 154 | ************************************************************************ |
| 155 | * Some of this code should be moved into the core functions, |
| 156 | * but let's get it working (again) first... |
| 157 | */ |
| 158 | |
| 159 | static int init_baudrate (void) |
| 160 | { |
Wolfgang Denk | 7fb5266 | 2005-10-13 16:45:02 +0200 | [diff] [blame] | 161 | char tmp[64]; /* long enough for environment variables */ |
Wolfgang Denk | 76af278 | 2010-07-24 21:55:43 +0200 | [diff] [blame] | 162 | int i = getenv_f("baudrate", tmp, sizeof (tmp)); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 163 | |
| 164 | gd->baudrate = (i > 0) |
| 165 | ? (int) simple_strtoul (tmp, NULL, 10) |
| 166 | : CONFIG_BAUDRATE; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 167 | return (0); |
| 168 | } |
| 169 | |
| 170 | /***********************************************************************/ |
| 171 | |
Kim Phillips | 0e3945c | 2007-08-16 22:52:39 -0500 | [diff] [blame] | 172 | void __board_add_ram_info(int use_default) |
| 173 | { |
| 174 | /* please define platform specific board_add_ram_info() */ |
| 175 | } |
| 176 | void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info"))); |
| 177 | |
Stefan Roese | 0955402 | 2005-11-30 13:06:40 +0100 | [diff] [blame] | 178 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 179 | static int init_func_ram (void) |
| 180 | { |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 181 | #ifdef CONFIG_BOARD_TYPES |
| 182 | int board_type = gd->board_type; |
| 183 | #else |
| 184 | int board_type = 0; /* use dummy arg */ |
| 185 | #endif |
| 186 | puts ("DRAM: "); |
| 187 | |
| 188 | if ((gd->ram_size = initdram (board_type)) > 0) { |
Stefan Roese | 0955402 | 2005-11-30 13:06:40 +0100 | [diff] [blame] | 189 | print_size (gd->ram_size, ""); |
Stefan Roese | 0955402 | 2005-11-30 13:06:40 +0100 | [diff] [blame] | 190 | board_add_ram_info(0); |
Stefan Roese | 0955402 | 2005-11-30 13:06:40 +0100 | [diff] [blame] | 191 | putc('\n'); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 192 | return (0); |
| 193 | } |
| 194 | puts (failed); |
| 195 | return (1); |
| 196 | } |
| 197 | |
| 198 | /***********************************************************************/ |
| 199 | |
| 200 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) |
| 201 | static int init_func_i2c (void) |
| 202 | { |
| 203 | puts ("I2C: "); |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 204 | i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 205 | puts ("ready\n"); |
| 206 | return (0); |
| 207 | } |
| 208 | #endif |
| 209 | |
Ben Warren | 7efe927 | 2008-01-16 22:37:35 -0500 | [diff] [blame] | 210 | #if defined(CONFIG_HARD_SPI) |
| 211 | static int init_func_spi (void) |
| 212 | { |
| 213 | puts ("SPI: "); |
| 214 | spi_init (); |
| 215 | puts ("ready\n"); |
| 216 | return (0); |
| 217 | } |
| 218 | #endif |
| 219 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 220 | /***********************************************************************/ |
| 221 | |
| 222 | #if defined(CONFIG_WATCHDOG) |
| 223 | static int init_func_watchdog_init (void) |
| 224 | { |
| 225 | puts (" Watchdog enabled\n"); |
| 226 | WATCHDOG_RESET (); |
| 227 | return (0); |
| 228 | } |
| 229 | # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init, |
| 230 | |
| 231 | static int init_func_watchdog_reset (void) |
| 232 | { |
| 233 | WATCHDOG_RESET (); |
| 234 | return (0); |
| 235 | } |
| 236 | # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset, |
| 237 | #else |
| 238 | # define INIT_FUNC_WATCHDOG_INIT /* undef */ |
| 239 | # define INIT_FUNC_WATCHDOG_RESET /* undef */ |
| 240 | #endif /* CONFIG_WATCHDOG */ |
| 241 | |
| 242 | /************************************************************************ |
| 243 | * Initialization sequence * |
| 244 | ************************************************************************ |
| 245 | */ |
| 246 | |
| 247 | init_fnc_t *init_sequence[] = { |
Poonam Aggrwal | 4baef82 | 2009-07-31 12:08:14 +0530 | [diff] [blame] | 248 | #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) |
| 249 | probecpu, |
| 250 | #endif |
Anton Vorontsov | 9522f57 | 2009-10-12 23:55:39 +0400 | [diff] [blame] | 251 | #if defined(CONFIG_BOARD_EARLY_INIT_F) |
| 252 | board_early_init_f, |
| 253 | #endif |
wdenk | 20bddb3 | 2004-09-28 17:59:53 +0000 | [diff] [blame] | 254 | #if !defined(CONFIG_8xx_CPUCLK_DEFAULT) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 255 | get_clocks, /* get CPU and bus clocks (etc.) */ |
Markus Klotzbuecher | 13af9f0 | 2006-07-12 15:26:01 +0200 | [diff] [blame] | 256 | #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \ |
| 257 | && !defined(CONFIG_TQM885D) |
wdenk | c78bf13 | 2004-04-24 23:23:30 +0000 | [diff] [blame] | 258 | adjust_sdram_tbs_8xx, |
| 259 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 260 | init_timebase, |
wdenk | b50cde5 | 2004-01-24 20:25:54 +0000 | [diff] [blame] | 261 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 262 | #ifdef CONFIG_SYS_ALLOC_DPRAM |
Jon Loeliger | f5ad378 | 2005-07-23 10:37:35 -0500 | [diff] [blame] | 263 | #if !defined(CONFIG_CPM2) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 264 | dpram_init, |
| 265 | #endif |
wdenk | 541a76d | 2003-05-03 15:50:43 +0000 | [diff] [blame] | 266 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 267 | #if defined(CONFIG_BOARD_POSTCLK_INIT) |
| 268 | board_postclk_init, |
| 269 | #endif |
| 270 | env_init, |
wdenk | 20bddb3 | 2004-09-28 17:59:53 +0000 | [diff] [blame] | 271 | #if defined(CONFIG_8xx_CPUCLK_DEFAULT) |
wdenk | b50cde5 | 2004-01-24 20:25:54 +0000 | [diff] [blame] | 272 | get_clocks_866, /* get CPU and bus clocks according to the environment variable */ |
| 273 | sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */ |
| 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 | 62e7398 | 2009-05-22 17:23:24 -0500 | [diff] [blame] | 284 | #if defined(CONFIG_MPC83xx) |
Dave Liu | ebd35f8 | 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 | be9c1cb | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 288 | #if defined(CONFIG_MPC5xxx) |
wdenk | 21136db | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 289 | prt_mpc5xxx_clks, |
wdenk | be9c1cb | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 290 | #endif /* CONFIG_MPC5xxx */ |
wdenk | 337f565 | 2004-10-28 00:09:35 +0000 | [diff] [blame] | 291 | #if defined(CONFIG_MPC8220) |
| 292 | prt_mpc8220_clks, |
| 293 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 294 | checkboard, |
| 295 | INIT_FUNC_WATCHDOG_INIT |
wdenk | da55c6e | 2004-01-20 23:12:12 +0000 | [diff] [blame] | 296 | #if defined(CONFIG_MISC_INIT_F) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 297 | misc_init_f, |
| 298 | #endif |
| 299 | INIT_FUNC_WATCHDOG_RESET |
| 300 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) |
| 301 | init_func_i2c, |
| 302 | #endif |
Ben Warren | 7efe927 | 2008-01-16 22:37:35 -0500 | [diff] [blame] | 303 | #if defined(CONFIG_HARD_SPI) |
| 304 | init_func_spi, |
| 305 | #endif |
wdenk | c08f158 | 2003-04-27 22:52:51 +0000 | [diff] [blame] | 306 | #ifdef CONFIG_POST |
| 307 | post_init_f, |
| 308 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 309 | INIT_FUNC_WATCHDOG_RESET |
| 310 | init_func_ram, |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 311 | #if defined(CONFIG_SYS_DRAM_TEST) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 312 | testdram, |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 313 | #endif /* CONFIG_SYS_DRAM_TEST */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 314 | INIT_FUNC_WATCHDOG_RESET |
| 315 | |
| 316 | NULL, /* Terminate this list */ |
| 317 | }; |
| 318 | |
Kumar Gala | 4c38454 | 2008-02-18 08:09:37 -0600 | [diff] [blame] | 319 | ulong get_effective_memsize(void) |
| 320 | { |
| 321 | #ifndef CONFIG_VERY_BIG_RAM |
| 322 | return gd->ram_size; |
| 323 | #else |
| 324 | /* limit stack to what we can reasonable map */ |
| 325 | return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ? |
| 326 | CONFIG_MAX_MEM_MAPPED : gd->ram_size); |
| 327 | #endif |
| 328 | } |
| 329 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 330 | /************************************************************************ |
| 331 | * |
| 332 | * This is the first part of the initialization sequence that is |
| 333 | * implemented in C, but still running from ROM. |
| 334 | * |
| 335 | * The main purpose is to provide a (serial) console interface as |
| 336 | * soon as possible (so we can see any error messages), and to |
| 337 | * initialize the RAM so that we can relocate the monitor code to |
| 338 | * RAM. |
| 339 | * |
| 340 | * Be aware of the restrictions: global data is read-only, BSS is not |
| 341 | * initialized, and stack space is limited to a few kB. |
| 342 | * |
| 343 | ************************************************************************ |
| 344 | */ |
| 345 | |
Marian Balakowicz | 902ce70 | 2008-05-13 15:53:29 +0200 | [diff] [blame] | 346 | #ifdef CONFIG_LOGBUFFER |
| 347 | unsigned long logbuffer_base(void) |
| 348 | { |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 349 | return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN; |
Marian Balakowicz | 902ce70 | 2008-05-13 15:53:29 +0200 | [diff] [blame] | 350 | } |
| 351 | #endif |
| 352 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 353 | void board_init_f (ulong bootflag) |
| 354 | { |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 355 | bd_t *bd; |
| 356 | ulong len, addr, addr_sp; |
Wolfgang Denk | 3135c54 | 2005-08-26 01:36:03 +0200 | [diff] [blame] | 357 | ulong *s; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 358 | gd_t *id; |
| 359 | init_fnc_t **init_fnc_ptr; |
| 360 | #ifdef CONFIG_PRAM |
| 361 | int i; |
| 362 | ulong reg; |
| 363 | uchar tmp[64]; /* long enough for environment variables */ |
| 364 | #endif |
| 365 | |
| 366 | /* Pointer is writable since we allocated a register for it */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 367 | gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); |
wdenk | 3337af4 | 2004-07-01 20:28:03 +0000 | [diff] [blame] | 368 | /* compiler optimization barrier needed for GCC >= 3.4 */ |
| 369 | __asm__ __volatile__("": : :"memory"); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 370 | |
Detlev Zundel | a2ea276 | 2010-01-22 14:47:59 +0100 | [diff] [blame] | 371 | #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \ |
| 372 | !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \ |
| 373 | !defined(CONFIG_MPC86xx) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 374 | /* Clear initial global data */ |
| 375 | memset ((void *) gd, 0, sizeof (gd_t)); |
| 376 | #endif |
| 377 | |
| 378 | for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { |
| 379 | if ((*init_fnc_ptr) () != 0) { |
| 380 | hang (); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | /* |
| 385 | * Now that we have DRAM mapped and working, we can |
| 386 | * relocate the code and continue running from DRAM. |
| 387 | * |
| 388 | * Reserve memory at end of RAM for (top down in that order): |
Stefan Roese | a13709f | 2008-03-26 10:14:11 +0100 | [diff] [blame] | 389 | * - area that won't get touched by U-Boot and Linux (optional) |
wdenk | 57b2d80 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 390 | * - kernel log buffer |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 391 | * - protected RAM |
| 392 | * - LCD framebuffer |
| 393 | * - monitor code |
| 394 | * - board info struct |
| 395 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 396 | len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 397 | |
Stefan Roese | a13709f | 2008-03-26 10:14:11 +0100 | [diff] [blame] | 398 | /* |
| 399 | * Subtract specified amount of memory to hide so that it won't |
| 400 | * get "touched" at all by U-Boot. By fixing up gd->ram_size |
| 401 | * the Linux kernel should now get passed the now "corrected" |
| 402 | * memory size and won't touch it either. This should work |
| 403 | * for arch/ppc and arch/powerpc. Only Linux board ports in |
| 404 | * arch/powerpc with bootwrapper support, that recalculate the |
| 405 | * memory size from the SDRAM controller setup will have to |
| 406 | * get fixed. |
| 407 | */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 408 | gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE; |
Stefan Roese | a13709f | 2008-03-26 10:14:11 +0100 | [diff] [blame] | 409 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 410 | addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize(); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 411 | |
Kumar Gala | 04a3b14 | 2009-03-31 17:58:13 -0500 | [diff] [blame] | 412 | #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500)) |
| 413 | /* |
| 414 | * We need to make sure the location we intend to put secondary core |
| 415 | * boot code is reserved and not used by any part of u-boot |
Wolfgang Denk | e366f15 | 2009-04-05 00:27:57 +0200 | [diff] [blame] | 416 | */ |
Kumar Gala | 04a3b14 | 2009-03-31 17:58:13 -0500 | [diff] [blame] | 417 | if (addr > determine_mp_bootpg()) { |
| 418 | addr = determine_mp_bootpg(); |
| 419 | debug ("Reserving MP boot page to %08lx\n", addr); |
| 420 | } |
| 421 | #endif |
| 422 | |
wdenk | 9dfa8d1 | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 423 | #ifdef CONFIG_LOGBUFFER |
Yuri Tikhonov | fe1d91b | 2008-02-06 18:48:36 +0100 | [diff] [blame] | 424 | #ifndef CONFIG_ALT_LB_ADDR |
wdenk | 9dfa8d1 | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 425 | /* reserve kernel log buffer */ |
| 426 | addr -= (LOGBUFF_RESERVE); |
wdenk | 3086a97 | 2003-06-28 23:11:04 +0000 | [diff] [blame] | 427 | debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr); |
wdenk | 9dfa8d1 | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 428 | #endif |
Yuri Tikhonov | fe1d91b | 2008-02-06 18:48:36 +0100 | [diff] [blame] | 429 | #endif |
wdenk | 9dfa8d1 | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 430 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 431 | #ifdef CONFIG_PRAM |
| 432 | /* |
| 433 | * reserve protected RAM |
| 434 | */ |
Wolfgang Denk | 76af278 | 2010-07-24 21:55:43 +0200 | [diff] [blame] | 435 | i = getenv_f("pram", (char *)tmp, sizeof (tmp)); |
Wolfgang Denk | 7fb5266 | 2005-10-13 16:45:02 +0200 | [diff] [blame] | 436 | reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 437 | addr -= (reg << 10); /* size is in kB */ |
wdenk | 3086a97 | 2003-06-28 23:11:04 +0000 | [diff] [blame] | 438 | debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 439 | #endif /* CONFIG_PRAM */ |
| 440 | |
| 441 | /* round down to next 4 kB limit */ |
| 442 | addr &= ~(4096 - 1); |
wdenk | 3086a97 | 2003-06-28 23:11:04 +0000 | [diff] [blame] | 443 | debug ("Top of RAM usable for U-Boot at: %08lx\n", addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 444 | |
| 445 | #ifdef CONFIG_LCD |
| 446 | /* reserve memory for LCD display (always full pages) */ |
| 447 | addr = lcd_setmem (addr); |
| 448 | gd->fb_base = addr; |
| 449 | #endif /* CONFIG_LCD */ |
| 450 | |
| 451 | #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx) |
| 452 | /* reserve memory for video display (always full pages) */ |
| 453 | addr = video_setmem (addr); |
| 454 | gd->fb_base = addr; |
| 455 | #endif /* CONFIG_VIDEO */ |
| 456 | |
| 457 | /* |
| 458 | * reserve memory for U-Boot code, data & bss |
wdenk | 4e112c1 | 2003-06-03 23:54:09 +0000 | [diff] [blame] | 459 | * round down to next 4 kB limit |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 460 | */ |
| 461 | addr -= len; |
wdenk | 4e112c1 | 2003-06-03 23:54:09 +0000 | [diff] [blame] | 462 | addr &= ~(4096 - 1); |
Wolfgang Denk | 29dcbd4 | 2005-10-05 00:00:54 +0200 | [diff] [blame] | 463 | #ifdef CONFIG_E500 |
| 464 | /* round down to next 64 kB limit so that IVPR stays aligned */ |
| 465 | addr &= ~(65536 - 1); |
| 466 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 467 | |
wdenk | 3086a97 | 2003-06-28 23:11:04 +0000 | [diff] [blame] | 468 | debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 469 | |
| 470 | /* |
| 471 | * reserve memory for malloc() arena |
| 472 | */ |
| 473 | addr_sp = addr - TOTAL_MALLOC_LEN; |
wdenk | 3086a97 | 2003-06-28 23:11:04 +0000 | [diff] [blame] | 474 | debug ("Reserving %dk for malloc() at: %08lx\n", |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 475 | TOTAL_MALLOC_LEN >> 10, addr_sp); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 476 | |
| 477 | /* |
| 478 | * (permanently) allocate a Board Info struct |
| 479 | * and a permanent copy of the "global" data |
| 480 | */ |
| 481 | addr_sp -= sizeof (bd_t); |
| 482 | bd = (bd_t *) addr_sp; |
| 483 | gd->bd = bd; |
Wolfgang Denk | 509cd07 | 2008-07-14 15:06:35 +0200 | [diff] [blame] | 484 | debug ("Reserving %zu Bytes for Board Info at: %08lx\n", |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 485 | sizeof (bd_t), addr_sp); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 486 | addr_sp -= sizeof (gd_t); |
| 487 | id = (gd_t *) addr_sp; |
Wolfgang Denk | 509cd07 | 2008-07-14 15:06:35 +0200 | [diff] [blame] | 488 | debug ("Reserving %zu Bytes for Global Data at: %08lx\n", |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 489 | sizeof (gd_t), addr_sp); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 490 | |
| 491 | /* |
| 492 | * Finally, we set up a new (bigger) stack. |
| 493 | * |
| 494 | * Leave some safety gap for SP, force alignment on 16 byte boundary |
| 495 | * Clear initial stack frame |
| 496 | */ |
| 497 | addr_sp -= 16; |
| 498 | addr_sp &= ~0xF; |
Wolfgang Denk | 3135c54 | 2005-08-26 01:36:03 +0200 | [diff] [blame] | 499 | s = (ulong *)addr_sp; |
| 500 | *s-- = 0; |
| 501 | *s-- = 0; |
| 502 | addr_sp = (ulong)s; |
wdenk | 3086a97 | 2003-06-28 23:11:04 +0000 | [diff] [blame] | 503 | debug ("Stack Pointer at: %08lx\n", addr_sp); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 504 | |
| 505 | /* |
| 506 | * Save local variables to board info struct |
| 507 | */ |
| 508 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 509 | bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 510 | bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */ |
| 511 | |
Wolfgang Denk | ea9e0be | 2010-08-11 09:38:31 +0200 | [diff] [blame] | 512 | #ifdef CONFIG_SYS_SRAM_BASE |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 513 | bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */ |
| 514 | bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 515 | #else |
Wolfgang Denk | ea9e0be | 2010-08-11 09:38:31 +0200 | [diff] [blame] | 516 | bd->bi_sramstart = 0; |
| 517 | bd->bi_sramsize = 0; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 518 | #endif |
| 519 | |
wdenk | 9c53f40 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 520 | #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \ |
Jon Loeliger | 5c8aa97 | 2006-04-26 17:58:56 -0500 | [diff] [blame] | 521 | defined(CONFIG_E500) || defined(CONFIG_MPC86xx) |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 522 | bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 523 | #endif |
wdenk | be9c1cb | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 524 | #if defined(CONFIG_MPC5xxx) |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 525 | bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ |
wdenk | 337f565 | 2004-10-28 00:09:35 +0000 | [diff] [blame] | 526 | #endif |
Peter Tyser | 62e7398 | 2009-05-22 17:23:24 -0500 | [diff] [blame] | 527 | #if defined(CONFIG_MPC83xx) |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 528 | bd->bi_immrbar = CONFIG_SYS_IMMR; |
Eran Liberty | 9095d4a | 2005-07-28 10:08:46 -0500 | [diff] [blame] | 529 | #endif |
wdenk | 337f565 | 2004-10-28 00:09:35 +0000 | [diff] [blame] | 530 | #if defined(CONFIG_MPC8220) |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 531 | bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ |
wdenk | 337f565 | 2004-10-28 00:09:35 +0000 | [diff] [blame] | 532 | bd->bi_inpfreq = gd->inp_clk; |
| 533 | bd->bi_pcifreq = gd->pci_clk; |
| 534 | bd->bi_vcofreq = gd->vco_clk; |
| 535 | bd->bi_pevfreq = gd->pev_clk; |
| 536 | bd->bi_flbfreq = gd->flb_clk; |
| 537 | |
Wolfgang Denk | 87b3d4b | 2006-11-30 18:02:20 +0100 | [diff] [blame] | 538 | /* store bootparam to sram (backward compatible), here? */ |
| 539 | { |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 540 | u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE; |
Wolfgang Denk | 87b3d4b | 2006-11-30 18:02:20 +0100 | [diff] [blame] | 541 | *sram++ = gd->ram_size; |
| 542 | *sram++ = gd->bus_clk; |
| 543 | *sram++ = gd->inp_clk; |
| 544 | *sram++ = gd->cpu_clk; |
| 545 | *sram++ = gd->vco_clk; |
| 546 | *sram++ = gd->flb_clk; |
| 547 | *sram++ = 0xb8c3ba11; /* boot signature */ |
| 548 | } |
wdenk | 21136db | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 549 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 550 | |
| 551 | bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */ |
| 552 | |
| 553 | WATCHDOG_RESET (); |
| 554 | bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */ |
| 555 | bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */ |
Jon Loeliger | f5ad378 | 2005-07-23 10:37:35 -0500 | [diff] [blame] | 556 | #if defined(CONFIG_CPM2) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 557 | bd->bi_cpmfreq = gd->cpm_clk; |
| 558 | bd->bi_brgfreq = gd->brg_clk; |
| 559 | bd->bi_sccfreq = gd->scc_clk; |
| 560 | bd->bi_vco = gd->vco_out; |
Jon Loeliger | f5ad378 | 2005-07-23 10:37:35 -0500 | [diff] [blame] | 561 | #endif /* CONFIG_CPM2 */ |
Grzegorz Bernacki | af554d8 | 2008-01-08 17:16:15 +0100 | [diff] [blame] | 562 | #if defined(CONFIG_MPC512X) |
Grzegorz Bernacki | 21305af | 2008-01-11 12:03:43 +0100 | [diff] [blame] | 563 | bd->bi_ipsfreq = gd->ips_clk; |
Grzegorz Bernacki | af554d8 | 2008-01-08 17:16:15 +0100 | [diff] [blame] | 564 | #endif /* CONFIG_MPC512X */ |
wdenk | be9c1cb | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 565 | #if defined(CONFIG_MPC5xxx) |
wdenk | 21136db | 2003-07-16 21:53:01 +0000 | [diff] [blame] | 566 | bd->bi_ipbfreq = gd->ipb_clk; |
| 567 | bd->bi_pcifreq = gd->pci_clk; |
wdenk | be9c1cb | 2004-02-24 02:00:03 +0000 | [diff] [blame] | 568 | #endif /* CONFIG_MPC5xxx */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 569 | bd->bi_baudrate = gd->baudrate; /* Console Baudrate */ |
| 570 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 571 | #ifdef CONFIG_SYS_EXTBDINFO |
Wolfgang Denk | 7fb5266 | 2005-10-13 16:45:02 +0200 | [diff] [blame] | 572 | strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version)); |
| 573 | strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version)); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 574 | |
| 575 | bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */ |
| 576 | bd->bi_plb_busfreq = gd->bus_clk; |
Stefan Roese | e9a816c | 2007-05-11 12:01:06 +0200 | [diff] [blame] | 577 | #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \ |
| 578 | defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ |
| 579 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 580 | bd->bi_pci_busfreq = get_PCI_freq (); |
wdenk | f16b516 | 2004-03-23 21:43:07 +0000 | [diff] [blame] | 581 | bd->bi_opbfreq = get_OPB_freq (); |
Michal Simek | 594c7b5 | 2008-06-24 09:54:09 +0200 | [diff] [blame] | 582 | #elif defined(CONFIG_XILINX_405) |
wdenk | e537b3b | 2004-02-23 23:54:43 +0000 | [diff] [blame] | 583 | bd->bi_pci_busfreq = get_PCI_freq (); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 584 | #endif |
| 585 | #endif |
| 586 | |
wdenk | 3086a97 | 2003-06-28 23:11:04 +0000 | [diff] [blame] | 587 | debug ("New Stack Pointer is: %08lx\n", addr_sp); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 588 | |
| 589 | WATCHDOG_RESET (); |
| 590 | |
| 591 | #ifdef CONFIG_POST |
| 592 | post_bootmode_init(); |
wdenk | ca9bc76 | 2003-07-15 07:45:49 +0000 | [diff] [blame] | 593 | post_run (NULL, POST_ROM | post_bootmode_get(0)); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 594 | #endif |
| 595 | |
| 596 | WATCHDOG_RESET(); |
| 597 | |
Richard Retanubun | 92bc263 | 2010-01-15 10:06:06 -0500 | [diff] [blame] | 598 | gd->relocaddr = addr; /* Record relocation address, useful for debug */ |
| 599 | |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 600 | memcpy (id, (void *)gd, sizeof (gd_t)); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 601 | |
| 602 | relocate_code (addr_sp, id, addr); |
| 603 | |
| 604 | /* NOTREACHED - relocate_code() does not return */ |
| 605 | } |
Jason Jin | 13bd9e5 | 2008-10-10 11:41:01 +0800 | [diff] [blame] | 606 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 607 | /************************************************************************ |
| 608 | * |
| 609 | * This is the next part if the initialization sequence: we are now |
| 610 | * running from RAM and have a "normal" C environment, i. e. global |
| 611 | * data can be written, BSS has been cleared, the stack size in not |
| 612 | * that critical any more, etc. |
| 613 | * |
| 614 | ************************************************************************ |
| 615 | */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 616 | void board_init_r (gd_t *id, ulong dest_addr) |
| 617 | { |
Stefan Roese | 928a7c8 | 2009-02-23 16:52:36 +0100 | [diff] [blame] | 618 | char *s; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 619 | bd_t *bd; |
Peter Tyser | ed52770 | 2009-08-21 23:05:20 -0500 | [diff] [blame] | 620 | ulong malloc_start; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 621 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 622 | #ifndef CONFIG_SYS_NO_FLASH |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 623 | ulong flash_size; |
| 624 | #endif |
| 625 | |
| 626 | gd = id; /* initialize RAM version of global data */ |
| 627 | bd = gd->bd; |
| 628 | |
| 629 | gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ |
Grant Likely | 22e0584 | 2007-07-03 00:34:19 -0600 | [diff] [blame] | 630 | |
Peter Tyser | 781c9b8 | 2009-08-21 23:05:21 -0500 | [diff] [blame] | 631 | /* The Malloc area is immediately below the monitor copy in DRAM */ |
Peter Tyser | ed52770 | 2009-08-21 23:05:20 -0500 | [diff] [blame] | 632 | malloc_start = dest_addr - TOTAL_MALLOC_LEN; |
Kumar Gala | 87e4342 | 2009-09-01 21:07:08 -0500 | [diff] [blame] | 633 | |
Peter Tyser | a95e673 | 2009-12-15 12:10:47 -0600 | [diff] [blame] | 634 | #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) |
| 635 | /* |
| 636 | * The gd->cpu pointer is set to an address in flash before relocation. |
| 637 | * We need to update it to point to the same CPU entry in RAM. |
| 638 | */ |
| 639 | gd->cpu += dest_addr - CONFIG_SYS_MONITOR_BASE; |
| 640 | #endif |
| 641 | |
Marian Balakowicz | b55b60e | 2006-06-30 15:27:09 +0200 | [diff] [blame] | 642 | #ifdef CONFIG_SERIAL_MULTI |
| 643 | serial_initialize(); |
| 644 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 645 | |
wdenk | 3086a97 | 2003-06-28 23:11:04 +0000 | [diff] [blame] | 646 | debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 647 | |
| 648 | WATCHDOG_RESET (); |
| 649 | |
Becky Bruce | 2f79edd | 2008-10-31 17:14:39 -0500 | [diff] [blame] | 650 | /* |
| 651 | * Setup trap handlers |
| 652 | */ |
| 653 | trap_init (dest_addr); |
| 654 | |
Becky Bruce | f93e1cb | 2009-02-03 18:10:52 -0600 | [diff] [blame] | 655 | #ifdef CONFIG_ADDR_MAP |
Kumar Gala | 9ac287a | 2008-12-16 14:59:20 -0600 | [diff] [blame] | 656 | init_addr_map(); |
| 657 | #endif |
| 658 | |
wdenk | da55c6e | 2004-01-20 23:12:12 +0000 | [diff] [blame] | 659 | #if defined(CONFIG_BOARD_EARLY_INIT_R) |
| 660 | board_early_init_r (); |
| 661 | #endif |
| 662 | |
wdenk | b9a83a9 | 2003-05-30 12:48:29 +0000 | [diff] [blame] | 663 | monitor_flash_len = (ulong)&__init_end - dest_addr; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 664 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 665 | WATCHDOG_RESET (); |
| 666 | |
wdenk | 56f94be | 2002-11-05 16:35:14 +0000 | [diff] [blame] | 667 | #ifdef CONFIG_LOGBUFFER |
wdenk | 9dfa8d1 | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 668 | logbuff_init_ptrs (); |
wdenk | 56f94be | 2002-11-05 16:35:14 +0000 | [diff] [blame] | 669 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 670 | #ifdef CONFIG_POST |
wdenk | 9dfa8d1 | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 671 | post_output_backlog (); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 672 | #endif |
| 673 | |
| 674 | WATCHDOG_RESET(); |
| 675 | |
Kim Phillips | f3c7cd9 | 2010-04-20 19:37:54 -0500 | [diff] [blame] | 676 | #if defined(CONFIG_SYS_DELAYED_ICACHE) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 677 | icache_enable (); /* it's time to enable the instruction cache */ |
| 678 | #endif |
| 679 | |
Wolfgang Denk | 1e0f07e | 2009-07-26 23:28:02 +0200 | [diff] [blame] | 680 | #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) |
| 681 | unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */ |
wdenk | 9c53f40 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 682 | #endif |
| 683 | |
wdenk | ef5fe75 | 2003-03-12 10:41:04 +0000 | [diff] [blame] | 684 | #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 685 | /* |
wdenk | ef5fe75 | 2003-03-12 10:41:04 +0000 | [diff] [blame] | 686 | * Do PCI configuration on BAB7xx and CPC45 _before_ the flash |
| 687 | * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus |
| 688 | * bridge there. |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 689 | */ |
| 690 | pci_init (); |
wdenk | ef5fe75 | 2003-03-12 10:41:04 +0000 | [diff] [blame] | 691 | #endif |
| 692 | #if defined(CONFIG_BAB7xx) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 693 | /* |
| 694 | * Initialise the ISA bridge |
| 695 | */ |
| 696 | initialise_w83c553f (); |
| 697 | #endif |
| 698 | |
| 699 | asm ("sync ; isync"); |
| 700 | |
Peter Tyser | ed52770 | 2009-08-21 23:05:20 -0500 | [diff] [blame] | 701 | mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN); |
Stefan Roese | b81464e | 2009-05-11 15:50:12 +0200 | [diff] [blame] | 702 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 703 | #if !defined(CONFIG_SYS_NO_FLASH) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 704 | puts ("FLASH: "); |
| 705 | |
| 706 | if ((flash_size = flash_init ()) > 0) { |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 707 | # ifdef CONFIG_SYS_FLASH_CHECKSUM |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 708 | print_size (flash_size, ""); |
| 709 | /* |
| 710 | * Compute and print flash CRC if flashchecksum is set to 'y' |
| 711 | * |
| 712 | * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX |
| 713 | */ |
| 714 | s = getenv ("flashchecksum"); |
| 715 | if (s && (*s == 'y')) { |
Wolfgang Denk | 8d54188 | 2008-07-10 13:16:09 +0200 | [diff] [blame] | 716 | printf (" CRC: %08X", |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 717 | crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size) |
wdenk | a09491a | 2004-04-08 22:31:29 +0000 | [diff] [blame] | 718 | ); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 719 | } |
| 720 | putc ('\n'); |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 721 | # else /* !CONFIG_SYS_FLASH_CHECKSUM */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 722 | print_size (flash_size, "\n"); |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 723 | # endif /* CONFIG_SYS_FLASH_CHECKSUM */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 724 | } else { |
| 725 | puts (failed); |
| 726 | hang (); |
| 727 | } |
| 728 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 729 | bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 730 | bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */ |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 731 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 732 | #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) |
Heiko Schocher | 3ec4366 | 2006-12-21 17:17:02 +0100 | [diff] [blame] | 733 | /* Make a update of the Memctrl. */ |
| 734 | update_flash_size (flash_size); |
| 735 | #endif |
| 736 | |
| 737 | |
wdenk | a09491a | 2004-04-08 22:31:29 +0000 | [diff] [blame] | 738 | # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU) |
| 739 | /* flash mapped at end of memory map */ |
| 740 | bd->bi_flashoffset = TEXT_BASE + flash_size; |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 741 | # elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE |
wdenk | b9a83a9 | 2003-05-30 12:48:29 +0000 | [diff] [blame] | 742 | bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */ |
wdenk | 84650f5 | 2003-08-30 00:05:50 +0000 | [diff] [blame] | 743 | # else |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 744 | bd->bi_flashoffset = 0; |
wdenk | 84650f5 | 2003-08-30 00:05:50 +0000 | [diff] [blame] | 745 | # endif |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 746 | #else /* CONFIG_SYS_NO_FLASH */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 747 | |
| 748 | bd->bi_flashsize = 0; |
| 749 | bd->bi_flashstart = 0; |
| 750 | bd->bi_flashoffset = 0; |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 751 | #endif /* !CONFIG_SYS_NO_FLASH */ |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 752 | |
| 753 | WATCHDOG_RESET (); |
| 754 | |
| 755 | /* initialize higher level parts of CPU like time base and timers */ |
| 756 | cpu_init_r (); |
| 757 | |
| 758 | WATCHDOG_RESET (); |
| 759 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 760 | #ifdef CONFIG_SPI |
Jean-Christophe PLAGNIOL-VILLARD | e46af64 | 2008-09-05 09:19:30 +0200 | [diff] [blame] | 761 | # if !defined(CONFIG_ENV_IS_IN_EEPROM) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 762 | spi_init_f (); |
| 763 | # endif |
| 764 | spi_init_r (); |
| 765 | #endif |
| 766 | |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 767 | #if defined(CONFIG_CMD_NAND) |
Stefan Roese | 42fbddd | 2006-09-07 11:51:23 +0200 | [diff] [blame] | 768 | WATCHDOG_RESET (); |
| 769 | puts ("NAND: "); |
| 770 | nand_init(); /* go init the NAND */ |
| 771 | #endif |
| 772 | |
Terry Lv | b4eceac | 2010-05-17 10:57:01 +0800 | [diff] [blame] | 773 | #ifdef CONFIG_GENERIC_MMC |
| 774 | /* |
| 775 | * MMC initialization is called before relocating env. |
| 776 | * Thus It is required that operations like pin multiplexer |
| 777 | * be put in board_init. |
| 778 | */ |
| 779 | WATCHDOG_RESET (); |
| 780 | puts ("MMC: "); |
| 781 | mmc_initialize (bd); |
| 782 | #endif |
| 783 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 784 | /* relocate environment function pointers etc. */ |
| 785 | env_relocate (); |
| 786 | |
| 787 | /* |
| 788 | * Fill in missing fields of bd_info. |
wdenk | 57b2d80 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 789 | * We do this here, where we have "normal" access to the |
| 790 | * environment; we used to do this still running from ROM, |
Wolfgang Denk | 76af278 | 2010-07-24 21:55:43 +0200 | [diff] [blame] | 791 | * where had to use getenv_f(), which can be pretty slow when |
wdenk | 57b2d80 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 792 | * the environment is in EEPROM. |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 793 | */ |
wdenk | 78924a7 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 794 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 795 | #if defined(CONFIG_SYS_EXTBDINFO) |
wdenk | 78924a7 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 796 | #if defined(CONFIG_405GP) || defined(CONFIG_405EP) |
| 797 | #if defined(CONFIG_I2CFAST) |
| 798 | /* |
| 799 | * set bi_iic_fast for linux taking environment variable |
| 800 | * "i2cfast" into account |
| 801 | */ |
| 802 | { |
| 803 | char *s = getenv ("i2cfast"); |
| 804 | if (s && ((*s == 'y') || (*s == 'Y'))) { |
| 805 | bd->bi_iic_fast[0] = 1; |
| 806 | bd->bi_iic_fast[1] = 1; |
| 807 | } else { |
| 808 | bd->bi_iic_fast[0] = 0; |
| 809 | bd->bi_iic_fast[1] = 0; |
| 810 | } |
| 811 | } |
| 812 | #else |
| 813 | bd->bi_iic_fast[0] = 0; |
| 814 | bd->bi_iic_fast[1] = 0; |
| 815 | #endif /* CONFIG_I2CFAST */ |
| 816 | #endif /* CONFIG_405GP, CONFIG_405EP */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 817 | #endif /* CONFIG_SYS_EXTBDINFO */ |
wdenk | 78924a7 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 818 | |
Wolfgang Denk | d2a7a74 | 2007-06-08 10:24:58 +0200 | [diff] [blame] | 819 | #if defined(CONFIG_SC3) |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 820 | sc3_read_eeprom(); |
| 821 | #endif |
Haiying Wang | 34cf959 | 2008-01-16 17:12:12 -0500 | [diff] [blame] | 822 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 823 | #if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET) |
Haiying Wang | 34cf959 | 2008-01-16 17:12:12 -0500 | [diff] [blame] | 824 | mac_read_from_eeprom(); |
| 825 | #endif |
| 826 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 827 | #ifdef CONFIG_HERMES |
| 828 | if ((gd->board_type >> 16) == 2) |
| 829 | bd->bi_ethspeed = gd->board_type & 0xFFFF; |
| 830 | else |
| 831 | bd->bi_ethspeed = 0xFFFF; |
| 832 | #endif |
| 833 | |
Stefan Roese | 2908943 | 2009-02-25 12:11:15 +0100 | [diff] [blame] | 834 | #ifdef CONFIG_CMD_NET |
Mike Frysinger | 2625048 | 2009-02-11 20:07:19 -0500 | [diff] [blame] | 835 | /* kept around for legacy kernels only ... ignore the next section */ |
| 836 | eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr); |
wdenk | 54070ab | 2004-12-31 09:32:47 +0000 | [diff] [blame] | 837 | #ifdef CONFIG_HAS_ETH1 |
Mike Frysinger | 2625048 | 2009-02-11 20:07:19 -0500 | [diff] [blame] | 838 | eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 839 | #endif |
wdenk | 54070ab | 2004-12-31 09:32:47 +0000 | [diff] [blame] | 840 | #ifdef CONFIG_HAS_ETH2 |
Mike Frysinger | 2625048 | 2009-02-11 20:07:19 -0500 | [diff] [blame] | 841 | eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 842 | #endif |
wdenk | 54070ab | 2004-12-31 09:32:47 +0000 | [diff] [blame] | 843 | #ifdef CONFIG_HAS_ETH3 |
Mike Frysinger | 2625048 | 2009-02-11 20:07:19 -0500 | [diff] [blame] | 844 | eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr); |
wdenk | 544e973 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 845 | #endif |
richardretanubun | e5167f1 | 2008-09-29 18:28:23 -0400 | [diff] [blame] | 846 | #ifdef CONFIG_HAS_ETH4 |
Mike Frysinger | 2625048 | 2009-02-11 20:07:19 -0500 | [diff] [blame] | 847 | eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr); |
richardretanubun | e5167f1 | 2008-09-29 18:28:23 -0400 | [diff] [blame] | 848 | #endif |
richardretanubun | e5167f1 | 2008-09-29 18:28:23 -0400 | [diff] [blame] | 849 | #ifdef CONFIG_HAS_ETH5 |
Mike Frysinger | 2625048 | 2009-02-11 20:07:19 -0500 | [diff] [blame] | 850 | eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr); |
richardretanubun | e5167f1 | 2008-09-29 18:28:23 -0400 | [diff] [blame] | 851 | #endif |
Stefan Roese | 2908943 | 2009-02-25 12:11:15 +0100 | [diff] [blame] | 852 | #endif /* CONFIG_CMD_NET */ |
richardretanubun | e5167f1 | 2008-09-29 18:28:23 -0400 | [diff] [blame] | 853 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 854 | /* IP Address */ |
| 855 | bd->bi_ip_addr = getenv_IPaddr ("ipaddr"); |
| 856 | |
| 857 | WATCHDOG_RESET (); |
| 858 | |
wdenk | f8c590b | 2004-06-01 21:08:17 +0000 | [diff] [blame] | 859 | #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 860 | /* |
| 861 | * Do pci configuration |
| 862 | */ |
| 863 | pci_init (); |
| 864 | #endif |
| 865 | |
| 866 | /** leave this here (after malloc(), environment and PCI are working) **/ |
Jean-Christophe PLAGNIOL-VILLARD | 2a7a031 | 2009-05-16 12:14:54 +0200 | [diff] [blame] | 867 | /* Initialize stdio devices */ |
| 868 | stdio_init (); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 869 | |
wdenk | 874ac26 | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 870 | /* Initialize the jump table for applications */ |
| 871 | jumptable_init (); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 872 | |
Rafal Jaworowski | a19be78 | 2008-01-09 19:39:36 +0100 | [diff] [blame] | 873 | #if defined(CONFIG_API) |
| 874 | /* Initialize API */ |
| 875 | api_init (); |
| 876 | #endif |
| 877 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 878 | /* Initialize the console (after the relocation and devices init) */ |
| 879 | console_init_r (); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 880 | |
Peter Tyser | 5c50621 | 2009-09-16 22:03:07 -0500 | [diff] [blame] | 881 | #if defined(CONFIG_MISC_INIT_R) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 882 | /* miscellaneous platform dependent initialisations */ |
| 883 | misc_init_r (); |
| 884 | #endif |
| 885 | |
| 886 | #ifdef CONFIG_HERMES |
| 887 | if (bd->bi_ethspeed != 0xFFFF) |
| 888 | hermes_start_lxt980 ((int) bd->bi_ethspeed); |
| 889 | #endif |
| 890 | |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 891 | #if defined(CONFIG_CMD_KGDB) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 892 | WATCHDOG_RESET (); |
| 893 | puts ("KGDB: "); |
| 894 | kgdb_init (); |
| 895 | #endif |
| 896 | |
wdenk | 3086a97 | 2003-06-28 23:11:04 +0000 | [diff] [blame] | 897 | debug ("U-Boot relocated to %08lx\n", dest_addr); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 898 | |
| 899 | /* |
| 900 | * Enable Interrupts |
| 901 | */ |
| 902 | interrupt_init (); |
| 903 | |
Heiko Schocher | 633e03a | 2007-06-22 19:11:54 +0200 | [diff] [blame] | 904 | #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 905 | status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING); |
| 906 | #endif |
| 907 | |
| 908 | udelay (20); |
| 909 | |
| 910 | set_timer (0); |
| 911 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 912 | /* Initialize from environment */ |
| 913 | if ((s = getenv ("loadaddr")) != NULL) { |
| 914 | load_addr = simple_strtoul (s, NULL, 16); |
| 915 | } |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 916 | #if defined(CONFIG_CMD_NET) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 917 | if ((s = getenv ("bootfile")) != NULL) { |
| 918 | copy_filename (BootFile, s, sizeof (BootFile)); |
| 919 | } |
Jon Loeliger | 1670a5b | 2007-07-10 11:19:50 -0500 | [diff] [blame] | 920 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 921 | |
| 922 | WATCHDOG_RESET (); |
| 923 | |
Heiko Schocher | 24e6ce5 | 2009-02-25 12:28:32 +0100 | [diff] [blame] | 924 | #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */ |
| 925 | dtt_init (); |
| 926 | #endif |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 927 | #if defined(CONFIG_CMD_SCSI) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 928 | WATCHDOG_RESET (); |
| 929 | puts ("SCSI: "); |
| 930 | scsi_init (); |
| 931 | #endif |
| 932 | |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 933 | #if defined(CONFIG_CMD_DOC) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 934 | WATCHDOG_RESET (); |
| 935 | puts ("DOC: "); |
| 936 | doc_init (); |
| 937 | #endif |
| 938 | |
Luigi 'Comio' Mantellini | 01db155 | 2009-10-10 12:42:21 +0200 | [diff] [blame] | 939 | #ifdef CONFIG_BITBANGMII |
| 940 | bb_miiphy_init(); |
| 941 | #endif |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 942 | #if defined(CONFIG_CMD_NET) |
Marian Balakowicz | aab8c49 | 2005-10-28 22:30:33 +0200 | [diff] [blame] | 943 | #if defined(CONFIG_NET_MULTI) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 944 | WATCHDOG_RESET (); |
| 945 | puts ("Net: "); |
Marian Balakowicz | aab8c49 | 2005-10-28 22:30:33 +0200 | [diff] [blame] | 946 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 947 | eth_initialize (bd); |
| 948 | #endif |
| 949 | |
Peter Tyser | d3d9a50 | 2009-09-16 22:03:08 -0500 | [diff] [blame] | 950 | #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R) |
Marian Balakowicz | aab8c49 | 2005-10-28 22:30:33 +0200 | [diff] [blame] | 951 | WATCHDOG_RESET (); |
| 952 | debug ("Reset Ethernet PHY\n"); |
| 953 | reset_phy (); |
| 954 | #endif |
| 955 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 956 | #ifdef CONFIG_POST |
wdenk | ca9bc76 | 2003-07-15 07:45:49 +0000 | [diff] [blame] | 957 | post_run (NULL, POST_RAM | post_bootmode_get(0)); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 958 | #endif |
| 959 | |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 960 | #if defined(CONFIG_CMD_PCMCIA) \ |
| 961 | && !defined(CONFIG_CMD_IDE) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 962 | WATCHDOG_RESET (); |
| 963 | puts ("PCMCIA:"); |
| 964 | pcmcia_init (); |
| 965 | #endif |
| 966 | |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 967 | #if defined(CONFIG_CMD_IDE) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 968 | WATCHDOG_RESET (); |
| 969 | # ifdef CONFIG_IDE_8xx_PCCARD |
| 970 | puts ("PCMCIA:"); |
| 971 | # else |
| 972 | puts ("IDE: "); |
| 973 | #endif |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 974 | #if defined(CONFIG_START_IDE) |
| 975 | if (board_start_ide()) |
| 976 | ide_init (); |
| 977 | #else |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 978 | ide_init (); |
Heiko Schocher | 3c58a99 | 2007-01-11 15:44:44 +0100 | [diff] [blame] | 979 | #endif |
Jon Loeliger | 1670a5b | 2007-07-10 11:19:50 -0500 | [diff] [blame] | 980 | #endif |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 981 | |
| 982 | #ifdef CONFIG_LAST_STAGE_INIT |
| 983 | WATCHDOG_RESET (); |
| 984 | /* |
| 985 | * Some parts can be only initialized if all others (like |
| 986 | * Interrupts) are up and running (i.e. the PC-style ISA |
| 987 | * keyboard). |
| 988 | */ |
| 989 | last_stage_init (); |
| 990 | #endif |
| 991 | |
Jon Loeliger | 6b23305 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 992 | #if defined(CONFIG_CMD_BEDBUG) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 993 | WATCHDOG_RESET (); |
| 994 | bedbug_init (); |
| 995 | #endif |
| 996 | |
wdenk | 9dfa8d1 | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 997 | #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 998 | /* |
| 999 | * Export available size of memory for Linux, |
| 1000 | * taking into account the protected RAM at top of memory |
| 1001 | */ |
| 1002 | { |
| 1003 | ulong pram; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 1004 | uchar memsz[32]; |
wdenk | 9dfa8d1 | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 1005 | #ifdef CONFIG_PRAM |
| 1006 | char *s; |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 1007 | |
| 1008 | if ((s = getenv ("pram")) != NULL) { |
| 1009 | pram = simple_strtoul (s, NULL, 10); |
| 1010 | } else { |
| 1011 | pram = CONFIG_PRAM; |
| 1012 | } |
wdenk | 9dfa8d1 | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 1013 | #else |
| 1014 | pram=0; |
| 1015 | #endif |
| 1016 | #ifdef CONFIG_LOGBUFFER |
Yuri Tikhonov | fe1d91b | 2008-02-06 18:48:36 +0100 | [diff] [blame] | 1017 | #ifndef CONFIG_ALT_LB_ADDR |
wdenk | 9dfa8d1 | 2002-12-08 09:53:23 +0000 | [diff] [blame] | 1018 | /* Also take the logbuffer into account (pram is in kB) */ |
| 1019 | pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024; |
| 1020 | #endif |
Yuri Tikhonov | fe1d91b | 2008-02-06 18:48:36 +0100 | [diff] [blame] | 1021 | #endif |
Wolfgang Denk | 7fb5266 | 2005-10-13 16:45:02 +0200 | [diff] [blame] | 1022 | sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram); |
| 1023 | setenv ("mem", (char *)memsz); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 1024 | } |
| 1025 | #endif |
| 1026 | |
wdenk | b983fa2 | 2004-01-16 00:30:56 +0000 | [diff] [blame] | 1027 | #ifdef CONFIG_PS2KBD |
| 1028 | puts ("PS/2: "); |
| 1029 | kbd_init(); |
| 1030 | #endif |
| 1031 | |
wdenk | c08f158 | 2003-04-27 22:52:51 +0000 | [diff] [blame] | 1032 | #ifdef CONFIG_MODEM_SUPPORT |
| 1033 | { |
| 1034 | extern int do_mdm_init; |
| 1035 | do_mdm_init = gd->do_mdm_init; |
| 1036 | } |
| 1037 | #endif |
| 1038 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 1039 | /* Initialization complete - start the monitor */ |
| 1040 | |
| 1041 | /* main_loop() can return to retry autoboot, if so just run it again. */ |
| 1042 | for (;;) { |
| 1043 | WATCHDOG_RESET (); |
| 1044 | main_loop (); |
| 1045 | } |
| 1046 | |
| 1047 | /* NOTREACHED - no way out of command loop except booting */ |
| 1048 | } |
| 1049 | |
| 1050 | void hang (void) |
| 1051 | { |
| 1052 | puts ("### ERROR ### Please RESET the board ###\n"); |
wdenk | e97d3d9 | 2004-02-23 22:22:28 +0000 | [diff] [blame] | 1053 | show_boot_progress(-30); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 1054 | for (;;); |
| 1055 | } |
| 1056 | |
wdenk | c08f158 | 2003-04-27 22:52:51 +0000 | [diff] [blame] | 1057 | |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 1058 | #if 0 /* We could use plain global data, but the resulting code is bigger */ |
| 1059 | /* |
| 1060 | * Pointer to initial global data area |
| 1061 | * |
| 1062 | * Here we initialize it. |
| 1063 | */ |
| 1064 | #undef XTRN_DECLARE_GLOBAL_DATA_PTR |
| 1065 | #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1066 | DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); |
wdenk | fe8c280 | 2002-11-03 00:38:21 +0000 | [diff] [blame] | 1067 | #endif /* 0 */ |
| 1068 | |
| 1069 | /************************************************************************/ |