wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 1 | /* |
Wolfgang Denk | 57cac1f | 2006-01-29 19:12:41 +0100 | [diff] [blame] | 2 | * (C) Copyright 2002-2006 |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
| 5 | * (C) Copyright 2002 |
| 6 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
| 7 | * Marius Groeger <mgroeger@sysgo.de> |
| 8 | * |
| 9 | * See file CREDITS for list of people who contributed to this |
| 10 | * project. |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU General Public License as |
| 14 | * published by the Free Software Foundation; either version 2 of |
| 15 | * the License, or (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License |
| 23 | * along with this program; if not, write to the Free Software |
| 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 25 | * MA 02111-1307 USA |
| 26 | */ |
| 27 | |
Wolfgang Denk | 57cac1f | 2006-01-29 19:12:41 +0100 | [diff] [blame] | 28 | /* |
| 29 | * To match the U-Boot user interface on ARM platforms to the U-Boot |
| 30 | * standard (as on PPC platforms), some messages with debug character |
| 31 | * are removed from the default U-Boot build. |
| 32 | * |
| 33 | * Define DEBUG here if you want additional info as shown below |
| 34 | * printed upon startup: |
| 35 | * |
| 36 | * U-Boot code: 00F00000 -> 00F3C774 BSS: -> 00FC3274 |
| 37 | * IRQ Stack: 00ebff7c |
| 38 | * FIQ Stack: 00ebef7c |
| 39 | */ |
| 40 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 41 | #include <common.h> |
| 42 | #include <command.h> |
wdenk | 3595ac4 | 2003-06-22 17:18:28 +0000 | [diff] [blame] | 43 | #include <malloc.h> |
Jean-Christophe PLAGNIOL-VILLARD | 52cb4d4 | 2009-05-16 12:14:54 +0200 | [diff] [blame] | 44 | #include <stdio_dev.h> |
Peter Tyser | 561858e | 2008-11-03 09:30:59 -0600 | [diff] [blame] | 45 | #include <timestamp.h> |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 46 | #include <version.h> |
| 47 | #include <net.h> |
Marcel Ziswiler | b71190f | 2008-05-01 09:05:26 +0200 | [diff] [blame] | 48 | #include <serial.h> |
Scott Wood | d6ac2ed | 2008-05-22 10:49:46 -0500 | [diff] [blame] | 49 | #include <nand.h> |
| 50 | #include <onenand_uboot.h> |
Ilya Yanok | 379e9fc | 2009-06-08 04:12:50 +0400 | [diff] [blame] | 51 | #include <mmc.h> |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 52 | |
Luigi 'Comio' Mantellini | 310cecb | 2009-10-10 12:42:21 +0200 | [diff] [blame] | 53 | #ifdef CONFIG_BITBANGMII |
| 54 | #include <miiphy.h> |
| 55 | #endif |
| 56 | |
wdenk | f39748a | 2004-06-09 13:37:52 +0000 | [diff] [blame] | 57 | #ifdef CONFIG_DRIVER_SMC91111 |
Jean-Christophe PLAGNIOL-VILLARD | 2439e4b | 2007-11-21 21:19:24 +0100 | [diff] [blame] | 58 | #include "../drivers/net/smc91111.h" |
wdenk | f39748a | 2004-06-09 13:37:52 +0000 | [diff] [blame] | 59 | #endif |
| 60 | #ifdef CONFIG_DRIVER_LAN91C96 |
Jean-Christophe PLAGNIOL-VILLARD | 2439e4b | 2007-11-21 21:19:24 +0100 | [diff] [blame] | 61 | #include "../drivers/net/lan91c96.h" |
wdenk | f39748a | 2004-06-09 13:37:52 +0000 | [diff] [blame] | 62 | #endif |
| 63 | |
Markus Klotzbücher | b2b4346 | 2006-02-10 11:25:41 +0100 | [diff] [blame] | 64 | DECLARE_GLOBAL_DATA_PTR; |
| 65 | |
wdenk | 3b57fe0 | 2003-05-30 12:48:29 +0000 | [diff] [blame] | 66 | ulong monitor_flash_len; |
| 67 | |
wdenk | 2abbe07 | 2003-06-16 23:50:08 +0000 | [diff] [blame] | 68 | #ifdef CONFIG_HAS_DATAFLASH |
| 69 | extern int AT91F_DataflashInit(void); |
| 70 | extern void dataflash_print_info(void); |
| 71 | #endif |
| 72 | |
wdenk | 48b4261 | 2003-06-19 23:01:32 +0000 | [diff] [blame] | 73 | #ifndef CONFIG_IDENT_STRING |
| 74 | #define CONFIG_IDENT_STRING "" |
| 75 | #endif |
| 76 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 77 | const char version_string[] = |
Peter Tyser | 561858e | 2008-11-03 09:30:59 -0600 | [diff] [blame] | 78 | U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")"CONFIG_IDENT_STRING; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 79 | |
wdenk | 5ca2679 | 2004-06-06 22:11:41 +0000 | [diff] [blame] | 80 | #ifdef CONFIG_DRIVER_RTL8019 |
wdenk | ef5a967 | 2003-12-07 00:46:27 +0000 | [diff] [blame] | 81 | extern void rtl8019_get_enetaddr (uchar * addr); |
| 82 | #endif |
| 83 | |
Hebbar | f7ad79b | 2007-12-18 16:00:54 -0800 | [diff] [blame] | 84 | #if defined(CONFIG_HARD_I2C) || \ |
| 85 | defined(CONFIG_SOFT_I2C) |
| 86 | #include <i2c.h> |
| 87 | #endif |
| 88 | |
Stelian Pop | 39cf480 | 2008-05-09 21:57:18 +0200 | [diff] [blame] | 89 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 90 | /************************************************************************ |
Peter Pearse | 9f5c3d3 | 2007-09-04 16:18:38 +0100 | [diff] [blame] | 91 | * Coloured LED functionality |
| 92 | ************************************************************************ |
| 93 | * May be supplied by boards if desired |
| 94 | */ |
| 95 | void inline __coloured_LED_init (void) {} |
Ron Lee | f865fcb | 2009-08-05 20:14:01 +0200 | [diff] [blame] | 96 | void coloured_LED_init (void) __attribute__((weak, alias("__coloured_LED_init"))); |
Peter Pearse | 9f5c3d3 | 2007-09-04 16:18:38 +0100 | [diff] [blame] | 97 | void inline __red_LED_on (void) {} |
Ron Lee | f865fcb | 2009-08-05 20:14:01 +0200 | [diff] [blame] | 98 | void red_LED_on (void) __attribute__((weak, alias("__red_LED_on"))); |
Peter Pearse | 9f5c3d3 | 2007-09-04 16:18:38 +0100 | [diff] [blame] | 99 | void inline __red_LED_off(void) {} |
Ron Lee | f865fcb | 2009-08-05 20:14:01 +0200 | [diff] [blame] | 100 | void red_LED_off(void) __attribute__((weak, alias("__red_LED_off"))); |
Peter Pearse | 9f5c3d3 | 2007-09-04 16:18:38 +0100 | [diff] [blame] | 101 | void inline __green_LED_on(void) {} |
Ron Lee | f865fcb | 2009-08-05 20:14:01 +0200 | [diff] [blame] | 102 | void green_LED_on(void) __attribute__((weak, alias("__green_LED_on"))); |
Peter Pearse | 9f5c3d3 | 2007-09-04 16:18:38 +0100 | [diff] [blame] | 103 | void inline __green_LED_off(void) {} |
Ron Lee | f865fcb | 2009-08-05 20:14:01 +0200 | [diff] [blame] | 104 | void green_LED_off(void) __attribute__((weak, alias("__green_LED_off"))); |
Peter Pearse | 9f5c3d3 | 2007-09-04 16:18:38 +0100 | [diff] [blame] | 105 | void inline __yellow_LED_on(void) {} |
Ron Lee | f865fcb | 2009-08-05 20:14:01 +0200 | [diff] [blame] | 106 | void yellow_LED_on(void) __attribute__((weak, alias("__yellow_LED_on"))); |
Peter Pearse | 9f5c3d3 | 2007-09-04 16:18:38 +0100 | [diff] [blame] | 107 | void inline __yellow_LED_off(void) {} |
Ron Lee | f865fcb | 2009-08-05 20:14:01 +0200 | [diff] [blame] | 108 | void yellow_LED_off(void) __attribute__((weak, alias("__yellow_LED_off"))); |
Tom Rix | 7cdf804 | 2009-05-15 23:47:12 +0200 | [diff] [blame] | 109 | void inline __blue_LED_on(void) {} |
Ron Lee | f865fcb | 2009-08-05 20:14:01 +0200 | [diff] [blame] | 110 | void blue_LED_on(void) __attribute__((weak, alias("__blue_LED_on"))); |
Tom Rix | 7cdf804 | 2009-05-15 23:47:12 +0200 | [diff] [blame] | 111 | void inline __blue_LED_off(void) {} |
Ron Lee | f865fcb | 2009-08-05 20:14:01 +0200 | [diff] [blame] | 112 | void blue_LED_off(void) __attribute__((weak, alias("__blue_LED_off"))); |
Peter Pearse | 9f5c3d3 | 2007-09-04 16:18:38 +0100 | [diff] [blame] | 113 | |
| 114 | /************************************************************************ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 115 | * Init Utilities * |
| 116 | ************************************************************************ |
| 117 | * Some of this code should be moved into the core functions, |
| 118 | * or dropped completely, |
| 119 | * but let's get it working (again) first... |
| 120 | */ |
| 121 | |
Jean-Christophe PLAGNIOL-VILLARD | 4f57289 | 2009-02-22 15:49:28 +0100 | [diff] [blame] | 122 | #if defined(CONFIG_ARM_DCC) && !defined(CONFIG_BAUDRATE) |
| 123 | #define CONFIG_BAUDRATE 115200 |
| 124 | #endif |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 125 | static int init_baudrate (void) |
| 126 | { |
Wolfgang Denk | d52fb7e | 2006-03-11 22:53:33 +0100 | [diff] [blame] | 127 | char tmp[64]; /* long enough for environment variables */ |
Wolfgang Denk | cdb7497 | 2010-07-24 21:55:43 +0200 | [diff] [blame] | 128 | int i = getenv_f("baudrate", tmp, sizeof (tmp)); |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 129 | |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 130 | gd->baudrate = (i > 0) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 131 | ? (int) simple_strtoul (tmp, NULL, 10) |
| 132 | : CONFIG_BAUDRATE; |
| 133 | |
| 134 | return (0); |
| 135 | } |
| 136 | |
| 137 | static int display_banner (void) |
| 138 | { |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 139 | printf ("\n\n%s\n\n", version_string); |
Wolfgang Denk | 57cac1f | 2006-01-29 19:12:41 +0100 | [diff] [blame] | 140 | debug ("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n", |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 141 | _TEXT_BASE, |
Albert Aribaud | 92d5ecb | 2010-10-11 13:13:28 +0200 | [diff] [blame] | 142 | _bss_start_ofs+_TEXT_BASE, _bss_end_ofs+_TEXT_BASE); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 143 | #ifdef CONFIG_MODEM_SUPPORT |
Wolfgang Denk | 57cac1f | 2006-01-29 19:12:41 +0100 | [diff] [blame] | 144 | debug ("Modem Support enabled\n"); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 145 | #endif |
| 146 | #ifdef CONFIG_USE_IRQ |
Wolfgang Denk | 57cac1f | 2006-01-29 19:12:41 +0100 | [diff] [blame] | 147 | debug ("IRQ Stack: %08lx\n", IRQ_STACK_START); |
| 148 | debug ("FIQ Stack: %08lx\n", FIQ_STACK_START); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 149 | #endif |
wdenk | f72da34 | 2003-10-10 10:05:42 +0000 | [diff] [blame] | 150 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 151 | return (0); |
| 152 | } |
| 153 | |
| 154 | /* |
| 155 | * WARNING: this code looks "cleaner" than the PowerPC version, but |
| 156 | * has the disadvantage that you either get nothing, or everything. |
| 157 | * On PowerPC, you might see "DRAM: " before the system hangs - which |
| 158 | * gives a simple yet clear indication which part of the |
| 159 | * initialization if failing. |
| 160 | */ |
| 161 | static int display_dram_config (void) |
| 162 | { |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 163 | int i; |
| 164 | |
Wolfgang Denk | 57cac1f | 2006-01-29 19:12:41 +0100 | [diff] [blame] | 165 | #ifdef DEBUG |
wdenk | a8c7c70 | 2003-12-06 19:49:23 +0000 | [diff] [blame] | 166 | puts ("RAM Configuration:\n"); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 167 | |
| 168 | for(i=0; i<CONFIG_NR_DRAM_BANKS; i++) { |
| 169 | printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start); |
| 170 | print_size (gd->bd->bi_dram[i].size, "\n"); |
| 171 | } |
Wolfgang Denk | 57cac1f | 2006-01-29 19:12:41 +0100 | [diff] [blame] | 172 | #else |
| 173 | ulong size = 0; |
| 174 | |
| 175 | for (i=0; i<CONFIG_NR_DRAM_BANKS; i++) { |
| 176 | size += gd->bd->bi_dram[i].size; |
| 177 | } |
| 178 | puts("DRAM: "); |
| 179 | print_size(size, "\n"); |
| 180 | #endif |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 181 | |
| 182 | return (0); |
| 183 | } |
| 184 | |
Hebbar | f7ad79b | 2007-12-18 16:00:54 -0800 | [diff] [blame] | 185 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) |
| 186 | static int init_func_i2c (void) |
| 187 | { |
| 188 | puts ("I2C: "); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 189 | i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
Hebbar | f7ad79b | 2007-12-18 16:00:54 -0800 | [diff] [blame] | 190 | puts ("ready\n"); |
| 191 | return (0); |
| 192 | } |
| 193 | #endif |
| 194 | |
Jean-Christophe PLAGNIOL-VILLARD | f90c802 | 2009-01-31 09:04:58 +0100 | [diff] [blame] | 195 | #if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI) |
| 196 | #include <pci.h> |
| 197 | static int arm_pci_init(void) |
| 198 | { |
| 199 | pci_init(); |
| 200 | return 0; |
| 201 | } |
| 202 | #endif /* CONFIG_CMD_PCI || CONFIG_PCI */ |
| 203 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 204 | /* |
wdenk | a8c7c70 | 2003-12-06 19:49:23 +0000 | [diff] [blame] | 205 | * Breathe some life into the board... |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 206 | * |
wdenk | b0639ca | 2003-09-17 22:48:07 +0000 | [diff] [blame] | 207 | * Initialize a serial port as console, and carry out some hardware |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 208 | * tests. |
| 209 | * |
| 210 | * The first part of initialization is running from Flash memory; |
| 211 | * its main purpose is to initialize the RAM so that we |
| 212 | * can relocate the monitor code to RAM. |
| 213 | */ |
| 214 | |
| 215 | /* |
| 216 | * All attempts to come up with a "common" initialization sequence |
| 217 | * that works for all boards and architectures failed: some of the |
| 218 | * requirements are just _too_ different. To get rid of the resulting |
wdenk | f6e20fc | 2004-02-08 19:38:38 +0000 | [diff] [blame] | 219 | * mess of board dependent #ifdef'ed code we now make the whole |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 220 | * initialization sequence configurable to the user. |
| 221 | * |
| 222 | * The requirements for any new initalization function is simple: it |
| 223 | * receives a pointer to the "global data" structure as it's only |
| 224 | * argument, and returns an integer return code, where 0 means |
| 225 | * "continue" and != 0 means "fatal error, hang the system". |
| 226 | */ |
| 227 | typedef int (init_fnc_t) (void); |
| 228 | |
Wolfgang Denk | 34b76a1 | 2009-04-26 20:39:26 +0200 | [diff] [blame] | 229 | int print_cpuinfo (void); |
Wolfgang Denk | 57cac1f | 2006-01-29 19:12:41 +0100 | [diff] [blame] | 230 | |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 231 | void __dram_init_banksize(void) |
| 232 | { |
| 233 | gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; |
| 234 | gd->bd->bi_dram[0].size = gd->ram_size; |
| 235 | } |
| 236 | void dram_init_banksize(void) |
| 237 | __attribute__((weak, alias("__dram_init_banksize"))); |
| 238 | |
| 239 | init_fnc_t *init_sequence[] = { |
| 240 | #if defined(CONFIG_ARCH_CPU_INIT) |
| 241 | arch_cpu_init, /* basic arch cpu dependent setup */ |
| 242 | #endif |
| 243 | #if defined(CONFIG_BOARD_EARLY_INIT_F) |
| 244 | board_early_init_f, |
| 245 | #endif |
| 246 | timer_init, /* initialize timer */ |
| 247 | #ifdef CONFIG_FSL_ESDHC |
| 248 | get_clocks, |
| 249 | #endif |
| 250 | env_init, /* initialize environment */ |
| 251 | init_baudrate, /* initialze baudrate settings */ |
| 252 | serial_init, /* serial communications setup */ |
| 253 | console_init_f, /* stage 1 init of console */ |
| 254 | display_banner, /* say that we are here */ |
| 255 | #if defined(CONFIG_DISPLAY_CPUINFO) |
| 256 | print_cpuinfo, /* display cpu info (and speed) */ |
| 257 | #endif |
| 258 | #if defined(CONFIG_DISPLAY_BOARDINFO) |
| 259 | checkboard, /* display board info */ |
| 260 | #endif |
| 261 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) |
| 262 | init_func_i2c, |
| 263 | #endif |
| 264 | dram_init, /* configure available RAM banks */ |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 265 | NULL, |
| 266 | }; |
| 267 | |
| 268 | void board_init_f (ulong bootflag) |
| 269 | { |
| 270 | bd_t *bd; |
| 271 | init_fnc_t **init_fnc_ptr; |
| 272 | gd_t *id; |
| 273 | ulong addr, addr_sp; |
| 274 | |
| 275 | /* Pointer is writable since we allocated a register for it */ |
Heiko Schocher | 296cae7 | 2010-11-12 07:53:55 +0100 | [diff] [blame] | 276 | gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07); |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 277 | /* compiler optimization barrier needed for GCC >= 3.4 */ |
| 278 | __asm__ __volatile__("": : :"memory"); |
| 279 | |
| 280 | memset ((void*)gd, 0, sizeof (gd_t)); |
| 281 | |
Albert Aribaud | 92d5ecb | 2010-10-11 13:13:28 +0200 | [diff] [blame] | 282 | gd->mon_len = _bss_end_ofs; |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 283 | |
| 284 | for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { |
| 285 | if ((*init_fnc_ptr)() != 0) { |
| 286 | hang (); |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | debug ("monitor len: %08lX\n", gd->mon_len); |
| 291 | /* |
| 292 | * Ram is setup, size stored in gd !! |
| 293 | */ |
| 294 | debug ("ramsize: %08lX\n", gd->ram_size); |
| 295 | #if defined(CONFIG_SYS_MEM_TOP_HIDE) |
| 296 | /* |
| 297 | * Subtract specified amount of memory to hide so that it won't |
| 298 | * get "touched" at all by U-Boot. By fixing up gd->ram_size |
| 299 | * the Linux kernel should now get passed the now "corrected" |
| 300 | * memory size and won't touch it either. This should work |
| 301 | * for arch/ppc and arch/powerpc. Only Linux board ports in |
| 302 | * arch/powerpc with bootwrapper support, that recalculate the |
| 303 | * memory size from the SDRAM controller setup will have to |
| 304 | * get fixed. |
| 305 | */ |
| 306 | gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE; |
| 307 | #endif |
| 308 | |
| 309 | addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size; |
| 310 | |
| 311 | #ifdef CONFIG_LOGBUFFER |
| 312 | #ifndef CONFIG_ALT_LB_ADDR |
| 313 | /* reserve kernel log buffer */ |
| 314 | addr -= (LOGBUFF_RESERVE); |
| 315 | debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr); |
| 316 | #endif |
| 317 | #endif |
| 318 | |
| 319 | #ifdef CONFIG_PRAM |
| 320 | /* |
| 321 | * reserve protected RAM |
| 322 | */ |
| 323 | i = getenv_r ("pram", (char *)tmp, sizeof (tmp)); |
| 324 | reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM; |
| 325 | addr -= (reg << 10); /* size is in kB */ |
| 326 | debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr); |
| 327 | #endif /* CONFIG_PRAM */ |
| 328 | |
Aneesh V | e47f2db | 2011-06-16 23:30:48 +0000 | [diff] [blame] | 329 | #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 330 | /* reserve TLB table */ |
| 331 | addr -= (4096 * 4); |
| 332 | |
| 333 | /* round down to next 64 kB limit */ |
| 334 | addr &= ~(0x10000 - 1); |
| 335 | |
| 336 | gd->tlb_addr = addr; |
| 337 | debug ("TLB table at: %08lx\n", addr); |
| 338 | #endif |
| 339 | |
| 340 | /* round down to next 4 kB limit */ |
| 341 | addr &= ~(4096 - 1); |
| 342 | debug ("Top of RAM usable for U-Boot at: %08lx\n", addr); |
| 343 | |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 344 | #ifdef CONFIG_LCD |
Minkyu Kang | d32a1a4 | 2011-04-24 22:22:34 +0000 | [diff] [blame] | 345 | #ifdef CONFIG_FB_ADDR |
| 346 | gd->fb_base = CONFIG_FB_ADDR; |
| 347 | #else |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 348 | /* reserve memory for LCD display (always full pages) */ |
| 349 | addr = lcd_setmem (addr); |
| 350 | gd->fb_base = addr; |
Minkyu Kang | d32a1a4 | 2011-04-24 22:22:34 +0000 | [diff] [blame] | 351 | #endif /* CONFIG_FB_ADDR */ |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 352 | #endif /* CONFIG_LCD */ |
| 353 | |
| 354 | /* |
| 355 | * reserve memory for U-Boot code, data & bss |
| 356 | * round down to next 4 kB limit |
| 357 | */ |
| 358 | addr -= gd->mon_len; |
| 359 | addr &= ~(4096 - 1); |
| 360 | |
| 361 | debug ("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr); |
| 362 | |
| 363 | #ifndef CONFIG_PRELOADER |
| 364 | /* |
| 365 | * reserve memory for malloc() arena |
| 366 | */ |
| 367 | addr_sp = addr - TOTAL_MALLOC_LEN; |
| 368 | debug ("Reserving %dk for malloc() at: %08lx\n", |
| 369 | TOTAL_MALLOC_LEN >> 10, addr_sp); |
| 370 | /* |
| 371 | * (permanently) allocate a Board Info struct |
| 372 | * and a permanent copy of the "global" data |
| 373 | */ |
| 374 | addr_sp -= sizeof (bd_t); |
| 375 | bd = (bd_t *) addr_sp; |
| 376 | gd->bd = bd; |
| 377 | debug ("Reserving %zu Bytes for Board Info at: %08lx\n", |
| 378 | sizeof (bd_t), addr_sp); |
| 379 | addr_sp -= sizeof (gd_t); |
| 380 | id = (gd_t *) addr_sp; |
| 381 | debug ("Reserving %zu Bytes for Global Data at: %08lx\n", |
| 382 | sizeof (gd_t), addr_sp); |
| 383 | |
| 384 | /* setup stackpointer for exeptions */ |
| 385 | gd->irq_sp = addr_sp; |
| 386 | #ifdef CONFIG_USE_IRQ |
| 387 | addr_sp -= (CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ); |
| 388 | debug ("Reserving %zu Bytes for IRQ stack at: %08lx\n", |
| 389 | CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp); |
| 390 | #endif |
| 391 | /* leave 3 words for abort-stack */ |
Eric Cooper | 6445a30 | 2011-04-14 12:32:37 +0000 | [diff] [blame] | 392 | addr_sp -= 12; |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 393 | |
| 394 | /* 8-byte alignment for ABI compliance */ |
| 395 | addr_sp &= ~0x07; |
| 396 | #else |
| 397 | addr_sp += 128; /* leave 32 words for abort-stack */ |
| 398 | gd->irq_sp = addr_sp; |
| 399 | #endif |
| 400 | |
| 401 | debug ("New Stack Pointer is: %08lx\n", addr_sp); |
| 402 | |
| 403 | #ifdef CONFIG_POST |
| 404 | post_bootmode_init(); |
| 405 | post_run (NULL, POST_ROM | post_bootmode_get(0)); |
| 406 | #endif |
| 407 | |
| 408 | gd->bd->bi_baudrate = gd->baudrate; |
| 409 | /* Ram ist board specific, so move it to board code ... */ |
| 410 | dram_init_banksize(); |
| 411 | display_dram_config(); /* and display it */ |
| 412 | |
| 413 | gd->relocaddr = addr; |
| 414 | gd->start_addr_sp = addr_sp; |
| 415 | gd->reloc_off = addr - _TEXT_BASE; |
| 416 | debug ("relocation Offset is: %08lx\n", gd->reloc_off); |
| 417 | memcpy (id, (void *)gd, sizeof (gd_t)); |
| 418 | |
| 419 | relocate_code (addr_sp, id, addr); |
| 420 | |
| 421 | /* NOTREACHED - relocate_code() does not return */ |
| 422 | } |
| 423 | |
| 424 | #if !defined(CONFIG_SYS_NO_FLASH) |
| 425 | static char *failed = "*** failed ***\n"; |
| 426 | #endif |
| 427 | |
| 428 | /************************************************************************ |
| 429 | * |
| 430 | * This is the next part if the initialization sequence: we are now |
| 431 | * running from RAM and have a "normal" C environment, i. e. global |
| 432 | * data can be written, BSS has been cleared, the stack size in not |
| 433 | * that critical any more, etc. |
| 434 | * |
| 435 | ************************************************************************ |
| 436 | */ |
Albert Aribaud | 92d5ecb | 2010-10-11 13:13:28 +0200 | [diff] [blame] | 437 | |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 438 | void board_init_r (gd_t *id, ulong dest_addr) |
| 439 | { |
| 440 | char *s; |
| 441 | bd_t *bd; |
| 442 | ulong malloc_start; |
| 443 | #if !defined(CONFIG_SYS_NO_FLASH) |
| 444 | ulong flash_size; |
| 445 | #endif |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 446 | |
| 447 | gd = id; |
| 448 | bd = gd->bd; |
| 449 | |
| 450 | gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ |
| 451 | |
Po-Yu Chuang | f326cbb | 2011-03-01 23:02:04 +0000 | [diff] [blame] | 452 | monitor_flash_len = _end_ofs; |
Aneesh V | c2dd0d4 | 2011-06-16 23:30:49 +0000 | [diff] [blame^] | 453 | /* |
| 454 | * Enable D$: |
| 455 | * I$, if needed, must be already enabled in start.S |
| 456 | */ |
| 457 | dcache_enable(); |
| 458 | |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 459 | debug ("monitor flash len: %08lX\n", monitor_flash_len); |
| 460 | board_init(); /* Setup chipselects */ |
| 461 | |
| 462 | #ifdef CONFIG_SERIAL_MULTI |
| 463 | serial_initialize(); |
| 464 | #endif |
| 465 | |
| 466 | debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr); |
| 467 | |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 468 | #ifdef CONFIG_LOGBUFFER |
| 469 | logbuff_init_ptrs (); |
| 470 | #endif |
| 471 | #ifdef CONFIG_POST |
| 472 | post_output_backlog (); |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 473 | #endif |
| 474 | |
| 475 | /* The Malloc area is immediately below the monitor copy in DRAM */ |
| 476 | malloc_start = dest_addr - TOTAL_MALLOC_LEN; |
| 477 | mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN); |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 478 | |
| 479 | #if !defined(CONFIG_SYS_NO_FLASH) |
Peter Tyser | eddf52b | 2010-12-28 18:12:05 -0600 | [diff] [blame] | 480 | puts ("Flash: "); |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 481 | |
| 482 | if ((flash_size = flash_init ()) > 0) { |
| 483 | # ifdef CONFIG_SYS_FLASH_CHECKSUM |
| 484 | print_size (flash_size, ""); |
| 485 | /* |
| 486 | * Compute and print flash CRC if flashchecksum is set to 'y' |
| 487 | * |
| 488 | * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX |
| 489 | */ |
| 490 | s = getenv ("flashchecksum"); |
| 491 | if (s && (*s == 'y')) { |
| 492 | printf (" CRC: %08X", |
| 493 | crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size) |
| 494 | ); |
| 495 | } |
| 496 | putc ('\n'); |
| 497 | # else /* !CONFIG_SYS_FLASH_CHECKSUM */ |
| 498 | print_size (flash_size, "\n"); |
| 499 | # endif /* CONFIG_SYS_FLASH_CHECKSUM */ |
| 500 | } else { |
| 501 | puts (failed); |
| 502 | hang (); |
| 503 | } |
| 504 | #endif |
| 505 | |
| 506 | #if defined(CONFIG_CMD_NAND) |
| 507 | puts ("NAND: "); |
| 508 | nand_init(); /* go init the NAND */ |
| 509 | #endif |
| 510 | |
| 511 | #if defined(CONFIG_CMD_ONENAND) |
| 512 | onenand_init(); |
| 513 | #endif |
| 514 | |
Steve Sakoman | d470a6f | 2010-10-11 05:51:39 -0700 | [diff] [blame] | 515 | #ifdef CONFIG_GENERIC_MMC |
| 516 | puts("MMC: "); |
| 517 | mmc_initialize(bd); |
| 518 | #endif |
| 519 | |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 520 | #ifdef CONFIG_HAS_DATAFLASH |
| 521 | AT91F_DataflashInit(); |
| 522 | dataflash_print_info(); |
| 523 | #endif |
| 524 | |
| 525 | /* initialize environment */ |
| 526 | env_relocate (); |
| 527 | |
Michael Schwingen | 1ed63c5 | 2011-05-23 00:00:13 +0200 | [diff] [blame] | 528 | #if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI) |
| 529 | arm_pci_init(); |
| 530 | #endif |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 531 | |
| 532 | /* IP Address */ |
| 533 | gd->bd->bi_ip_addr = getenv_IPaddr ("ipaddr"); |
| 534 | |
| 535 | stdio_init (); /* get the devices list going. */ |
| 536 | |
| 537 | jumptable_init (); |
| 538 | |
| 539 | #if defined(CONFIG_API) |
| 540 | /* Initialize API */ |
| 541 | api_init (); |
| 542 | #endif |
| 543 | |
| 544 | console_init_r (); /* fully init console as a device */ |
| 545 | |
| 546 | #if defined(CONFIG_ARCH_MISC_INIT) |
| 547 | /* miscellaneous arch dependent initialisations */ |
| 548 | arch_misc_init (); |
| 549 | #endif |
| 550 | #if defined(CONFIG_MISC_INIT_R) |
| 551 | /* miscellaneous platform dependent initialisations */ |
| 552 | misc_init_r (); |
| 553 | #endif |
| 554 | |
| 555 | /* set up exceptions */ |
| 556 | interrupt_init (); |
| 557 | /* enable exceptions */ |
| 558 | enable_interrupts (); |
| 559 | |
| 560 | /* Perform network card initialisation if necessary */ |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 561 | #if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96) |
| 562 | /* XXX: this needs to be moved to board init */ |
| 563 | if (getenv ("ethaddr")) { |
| 564 | uchar enetaddr[6]; |
| 565 | eth_getenv_enetaddr("ethaddr", enetaddr); |
| 566 | smc_set_mac_addr(enetaddr); |
| 567 | } |
| 568 | #endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */ |
| 569 | |
| 570 | /* Initialize from environment */ |
| 571 | if ((s = getenv ("loadaddr")) != NULL) { |
| 572 | load_addr = simple_strtoul (s, NULL, 16); |
| 573 | } |
| 574 | #if defined(CONFIG_CMD_NET) |
| 575 | if ((s = getenv ("bootfile")) != NULL) { |
| 576 | copy_filename (BootFile, s, sizeof (BootFile)); |
| 577 | } |
| 578 | #endif |
| 579 | |
| 580 | #ifdef BOARD_LATE_INIT |
| 581 | board_late_init (); |
| 582 | #endif |
| 583 | |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 584 | #ifdef CONFIG_BITBANGMII |
| 585 | bb_miiphy_init(); |
| 586 | #endif |
| 587 | #if defined(CONFIG_CMD_NET) |
| 588 | #if defined(CONFIG_NET_MULTI) |
| 589 | puts ("Net: "); |
| 590 | #endif |
| 591 | eth_initialize(gd->bd); |
| 592 | #if defined(CONFIG_RESET_PHY_R) |
| 593 | debug ("Reset Ethernet PHY\n"); |
| 594 | reset_phy(); |
| 595 | #endif |
| 596 | #endif |
| 597 | |
| 598 | #ifdef CONFIG_POST |
| 599 | post_run (NULL, POST_RAM | post_bootmode_get(0)); |
| 600 | #endif |
| 601 | |
| 602 | #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) |
| 603 | /* |
| 604 | * Export available size of memory for Linux, |
| 605 | * taking into account the protected RAM at top of memory |
| 606 | */ |
| 607 | { |
| 608 | ulong pram; |
| 609 | uchar memsz[32]; |
| 610 | #ifdef CONFIG_PRAM |
| 611 | char *s; |
| 612 | |
| 613 | if ((s = getenv ("pram")) != NULL) { |
| 614 | pram = simple_strtoul (s, NULL, 10); |
| 615 | } else { |
| 616 | pram = CONFIG_PRAM; |
| 617 | } |
| 618 | #else |
| 619 | pram=0; |
| 620 | #endif |
| 621 | #ifdef CONFIG_LOGBUFFER |
| 622 | #ifndef CONFIG_ALT_LB_ADDR |
| 623 | /* Also take the logbuffer into account (pram is in kB) */ |
| 624 | pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024; |
| 625 | #endif |
| 626 | #endif |
| 627 | sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram); |
| 628 | setenv ("mem", (char *)memsz); |
| 629 | } |
| 630 | #endif |
| 631 | |
| 632 | /* main_loop() can return to retry autoboot, if so just run it again. */ |
| 633 | for (;;) { |
| 634 | main_loop (); |
| 635 | } |
| 636 | |
| 637 | /* NOTREACHED - no way out of command loop except booting */ |
| 638 | } |
Albert Aribaud | 92d5ecb | 2010-10-11 13:13:28 +0200 | [diff] [blame] | 639 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 640 | void hang (void) |
| 641 | { |
| 642 | puts ("### ERROR ### Please RESET the board ###\n"); |
| 643 | for (;;); |
| 644 | } |