wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 1 | /* |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 2 | * (C) Copyright 2007 Michal Simek |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 3 | * (C) Copyright 2004 Atmark Techno, Inc. |
| 4 | * |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 5 | * Michal SIMEK <monstr@monstr.eu> |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 6 | * Yasushi SHOJI <yashi@atmark-techno.com> |
| 7 | * |
| 8 | * See file CREDITS for list of people who contributed to this |
| 9 | * project. |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or |
| 12 | * modify it under the terms of the GNU General Public License as |
| 13 | * published by the Free Software Foundation; either version 2 of |
| 14 | * the License, or (at your option) any later version. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this program; if not, write to the Free Software |
| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 24 | * MA 02111-1307 USA |
| 25 | */ |
| 26 | |
| 27 | #include <common.h> |
| 28 | #include <command.h> |
| 29 | #include <malloc.h> |
Peter Tyser | 561858e | 2008-11-03 09:30:59 -0600 | [diff] [blame] | 30 | #include <timestamp.h> |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 31 | #include <version.h> |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 32 | #include <watchdog.h> |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 33 | |
Wolfgang Denk | d87080b | 2006-03-31 18:32:53 +0200 | [diff] [blame] | 34 | DECLARE_GLOBAL_DATA_PTR; |
| 35 | |
Peter Tyser | 561858e | 2008-11-03 09:30:59 -0600 | [diff] [blame] | 36 | const char version_string[] = U_BOOT_VERSION " ("U_BOOT_DATE" - "U_BOOT_TIME")"; |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 37 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 38 | #ifdef CONFIG_SYS_GPIO_0 |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 39 | extern int gpio_init (void); |
| 40 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 41 | #ifdef CONFIG_SYS_INTC_0 |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 42 | extern int interrupts_init (void); |
| 43 | #endif |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 44 | #if defined(CONFIG_CMD_NET) |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 45 | extern int eth_init (bd_t * bis); |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 46 | #endif |
Michal Simek | 5bbcb6c | 2010-04-16 11:37:41 +0200 | [diff] [blame] | 47 | #ifdef CONFIG_SYS_TIMER_0 |
| 48 | extern int timer_init (void); |
| 49 | #endif |
Michal Simek | b266409 | 2010-04-16 11:43:43 +0200 | [diff] [blame] | 50 | #ifdef CONFIG_SYS_FSL_2 |
| 51 | extern void fsl_init2 (void); |
| 52 | #endif |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 53 | |
| 54 | /* |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 55 | * All attempts to come up with a "common" initialization sequence |
| 56 | * that works for all boards and architectures failed: some of the |
| 57 | * requirements are just _too_ different. To get rid of the resulting |
| 58 | * mess of board dependend #ifdef'ed code we now make the whole |
| 59 | * initialization sequence configurable to the user. |
| 60 | * |
| 61 | * The requirements for any new initalization function is simple: it |
| 62 | * receives a pointer to the "global data" structure as it's only |
| 63 | * argument, and returns an integer return code, where 0 means |
| 64 | * "continue" and != 0 means "fatal error, hang the system". |
| 65 | */ |
| 66 | typedef int (init_fnc_t) (void); |
| 67 | |
| 68 | init_fnc_t *init_sequence[] = { |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 69 | env_init, |
| 70 | serial_init, |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 71 | #ifdef CONFIG_SYS_GPIO_0 |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 72 | gpio_init, |
| 73 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 74 | #ifdef CONFIG_SYS_INTC_0 |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 75 | interrupts_init, |
| 76 | #endif |
Michal Simek | 5bbcb6c | 2010-04-16 11:37:41 +0200 | [diff] [blame] | 77 | #ifdef CONFIG_SYS_TIMER_0 |
| 78 | timer_init, |
| 79 | #endif |
Michal Simek | b266409 | 2010-04-16 11:43:43 +0200 | [diff] [blame] | 80 | #ifdef CONFIG_SYS_FSL_2 |
| 81 | fsl_init2, |
| 82 | #endif |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 83 | NULL, |
| 84 | }; |
| 85 | |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 86 | void board_init (void) |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 87 | { |
wdenk | 857cad3 | 2004-07-10 23:48:41 +0000 | [diff] [blame] | 88 | bd_t *bd; |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 89 | init_fnc_t **init_fnc_ptr; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 90 | gd = (gd_t *) CONFIG_SYS_GBL_DATA_OFFSET; |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 91 | #if defined(CONFIG_CMD_FLASH) |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 92 | ulong flash_size = 0; |
| 93 | #endif |
| 94 | asm ("nop"); /* FIXME gd is not initialize - wait */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 95 | memset ((void *)gd, 0, CONFIG_SYS_GBL_DATA_SIZE); |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 96 | gd->bd = (bd_t *) (gd + 1); /* At end of global data */ |
wdenk | 857cad3 | 2004-07-10 23:48:41 +0000 | [diff] [blame] | 97 | gd->baudrate = CONFIG_BAUDRATE; |
wdenk | 857cad3 | 2004-07-10 23:48:41 +0000 | [diff] [blame] | 98 | bd = gd->bd; |
| 99 | bd->bi_baudrate = CONFIG_BAUDRATE; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 100 | bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; |
| 101 | bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; |
Michal Simek | c85ff05 | 2008-11-24 11:38:22 +0100 | [diff] [blame] | 102 | gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 103 | |
Peter Tyser | d4e8ada | 2009-08-21 23:05:21 -0500 | [diff] [blame] | 104 | /* |
| 105 | * The Malloc area is immediately below the monitor copy in DRAM |
| 106 | * aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off |
| 107 | * as our monitory code is run from SDRAM |
| 108 | */ |
Peter Tyser | a483a16 | 2009-08-21 23:05:20 -0500 | [diff] [blame] | 109 | mem_malloc_init (CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN); |
wdenk | 857cad3 | 2004-07-10 23:48:41 +0000 | [diff] [blame] | 110 | |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 111 | for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { |
| 112 | WATCHDOG_RESET (); |
| 113 | if ((*init_fnc_ptr) () != 0) { |
| 114 | hang (); |
| 115 | } |
| 116 | } |
| 117 | |
Michal Simek | b4f8dda | 2009-01-05 13:28:40 +0100 | [diff] [blame] | 118 | puts ("SDRAM :\n"); |
Michal Simek | e6177b3 | 2010-04-16 11:55:01 +0200 | [diff] [blame^] | 119 | printf ("\t\tIcache:%s\n", icache_status() ? "ON" : "OFF"); |
| 120 | printf ("\t\tDcache:%s\n", dcache_status() ? "ON" : "OFF"); |
Michal Simek | b4f8dda | 2009-01-05 13:28:40 +0100 | [diff] [blame] | 121 | printf ("\tU-Boot Start:0x%08x\n", TEXT_BASE); |
| 122 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 123 | #if defined(CONFIG_CMD_FLASH) |
Michal Simek | b4f8dda | 2009-01-05 13:28:40 +0100 | [diff] [blame] | 124 | puts ("FLASH: "); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 125 | bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 126 | if (0 < (flash_size = flash_init ())) { |
| 127 | bd->bi_flashsize = flash_size; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 128 | bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + flash_size; |
Michal Simek | b4f8dda | 2009-01-05 13:28:40 +0100 | [diff] [blame] | 129 | # ifdef CONFIG_SYS_FLASH_CHECKSUM |
| 130 | print_size (flash_size, ""); |
| 131 | /* |
| 132 | * Compute and print flash CRC if flashchecksum is set to 'y' |
| 133 | * |
| 134 | * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX |
| 135 | */ |
| 136 | s = getenv ("flashchecksum"); |
| 137 | if (s && (*s == 'y')) { |
| 138 | printf (" CRC: %08X", |
| 139 | crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size) |
| 140 | ); |
| 141 | } |
| 142 | putc ('\n'); |
| 143 | # else /* !CONFIG_SYS_FLASH_CHECKSUM */ |
| 144 | print_size (flash_size, "\n"); |
| 145 | # endif /* CONFIG_SYS_FLASH_CHECKSUM */ |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 146 | } else { |
| 147 | puts ("Flash init FAILED"); |
| 148 | bd->bi_flashstart = 0; |
| 149 | bd->bi_flashsize = 0; |
| 150 | bd->bi_flashoffset = 0; |
| 151 | } |
| 152 | #endif |
| 153 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 154 | #if defined(CONFIG_CMD_NET) |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 155 | /* IP Address */ |
| 156 | bd->bi_ip_addr = getenv_IPaddr ("ipaddr"); |
| 157 | eth_init (bd); |
| 158 | #endif |
| 159 | |
| 160 | /* relocate environment function pointers etc. */ |
| 161 | env_relocate (); |
| 162 | |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 163 | /* main_loop */ |
| 164 | for (;;) { |
| 165 | WATCHDOG_RESET (); |
| 166 | main_loop (); |
| 167 | } |
| 168 | } |
| 169 | |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 170 | void hang (void) |
| 171 | { |
| 172 | puts ("### ERROR ### Please RESET the board ###\n"); |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 173 | for (;;) ; |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 174 | } |