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 |
| 50 | |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 51 | |
| 52 | /* |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 53 | * All attempts to come up with a "common" initialization sequence |
| 54 | * that works for all boards and architectures failed: some of the |
| 55 | * requirements are just _too_ different. To get rid of the resulting |
| 56 | * mess of board dependend #ifdef'ed code we now make the whole |
| 57 | * initialization sequence configurable to the user. |
| 58 | * |
| 59 | * The requirements for any new initalization function is simple: it |
| 60 | * receives a pointer to the "global data" structure as it's only |
| 61 | * argument, and returns an integer return code, where 0 means |
| 62 | * "continue" and != 0 means "fatal error, hang the system". |
| 63 | */ |
| 64 | typedef int (init_fnc_t) (void); |
| 65 | |
| 66 | init_fnc_t *init_sequence[] = { |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 67 | env_init, |
| 68 | serial_init, |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 69 | #ifdef CONFIG_SYS_GPIO_0 |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 70 | gpio_init, |
| 71 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 72 | #ifdef CONFIG_SYS_INTC_0 |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 73 | interrupts_init, |
| 74 | #endif |
Michal Simek | 5bbcb6c | 2010-04-16 11:37:41 +0200 | [diff] [blame^] | 75 | #ifdef CONFIG_SYS_TIMER_0 |
| 76 | timer_init, |
| 77 | #endif |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 78 | NULL, |
| 79 | }; |
| 80 | |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 81 | void board_init (void) |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 82 | { |
wdenk | 857cad3 | 2004-07-10 23:48:41 +0000 | [diff] [blame] | 83 | bd_t *bd; |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 84 | init_fnc_t **init_fnc_ptr; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 85 | gd = (gd_t *) CONFIG_SYS_GBL_DATA_OFFSET; |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 86 | #if defined(CONFIG_CMD_FLASH) |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 87 | ulong flash_size = 0; |
| 88 | #endif |
| 89 | asm ("nop"); /* FIXME gd is not initialize - wait */ |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 90 | memset ((void *)gd, 0, CONFIG_SYS_GBL_DATA_SIZE); |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 91 | gd->bd = (bd_t *) (gd + 1); /* At end of global data */ |
wdenk | 857cad3 | 2004-07-10 23:48:41 +0000 | [diff] [blame] | 92 | gd->baudrate = CONFIG_BAUDRATE; |
wdenk | 857cad3 | 2004-07-10 23:48:41 +0000 | [diff] [blame] | 93 | bd = gd->bd; |
| 94 | bd->bi_baudrate = CONFIG_BAUDRATE; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 95 | bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; |
| 96 | bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; |
Michal Simek | c85ff05 | 2008-11-24 11:38:22 +0100 | [diff] [blame] | 97 | gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 98 | |
Peter Tyser | d4e8ada | 2009-08-21 23:05:21 -0500 | [diff] [blame] | 99 | /* |
| 100 | * The Malloc area is immediately below the monitor copy in DRAM |
| 101 | * aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off |
| 102 | * as our monitory code is run from SDRAM |
| 103 | */ |
Peter Tyser | a483a16 | 2009-08-21 23:05:20 -0500 | [diff] [blame] | 104 | mem_malloc_init (CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN); |
wdenk | 857cad3 | 2004-07-10 23:48:41 +0000 | [diff] [blame] | 105 | |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 106 | for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { |
| 107 | WATCHDOG_RESET (); |
| 108 | if ((*init_fnc_ptr) () != 0) { |
| 109 | hang (); |
| 110 | } |
| 111 | } |
| 112 | |
Michal Simek | b4f8dda | 2009-01-05 13:28:40 +0100 | [diff] [blame] | 113 | puts ("SDRAM :\n"); |
Michal Simek | b4f8dda | 2009-01-05 13:28:40 +0100 | [diff] [blame] | 114 | printf ("\t\tIcache:%s\n", icache_status() ? "OK" : "FAIL"); |
| 115 | printf ("\t\tDcache:%s\n", dcache_status() ? "OK" : "FAIL"); |
Michal Simek | b4f8dda | 2009-01-05 13:28:40 +0100 | [diff] [blame] | 116 | printf ("\tU-Boot Start:0x%08x\n", TEXT_BASE); |
| 117 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 118 | #if defined(CONFIG_CMD_FLASH) |
Michal Simek | b4f8dda | 2009-01-05 13:28:40 +0100 | [diff] [blame] | 119 | puts ("FLASH: "); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 120 | bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 121 | if (0 < (flash_size = flash_init ())) { |
| 122 | bd->bi_flashsize = flash_size; |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 123 | bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + flash_size; |
Michal Simek | b4f8dda | 2009-01-05 13:28:40 +0100 | [diff] [blame] | 124 | # ifdef CONFIG_SYS_FLASH_CHECKSUM |
| 125 | print_size (flash_size, ""); |
| 126 | /* |
| 127 | * Compute and print flash CRC if flashchecksum is set to 'y' |
| 128 | * |
| 129 | * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX |
| 130 | */ |
| 131 | s = getenv ("flashchecksum"); |
| 132 | if (s && (*s == 'y')) { |
| 133 | printf (" CRC: %08X", |
| 134 | crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size) |
| 135 | ); |
| 136 | } |
| 137 | putc ('\n'); |
| 138 | # else /* !CONFIG_SYS_FLASH_CHECKSUM */ |
| 139 | print_size (flash_size, "\n"); |
| 140 | # endif /* CONFIG_SYS_FLASH_CHECKSUM */ |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 141 | } else { |
| 142 | puts ("Flash init FAILED"); |
| 143 | bd->bi_flashstart = 0; |
| 144 | bd->bi_flashsize = 0; |
| 145 | bd->bi_flashoffset = 0; |
| 146 | } |
| 147 | #endif |
| 148 | |
Jon Loeliger | 7def6b3 | 2007-07-09 18:02:11 -0500 | [diff] [blame] | 149 | #if defined(CONFIG_CMD_NET) |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 150 | /* IP Address */ |
| 151 | bd->bi_ip_addr = getenv_IPaddr ("ipaddr"); |
| 152 | eth_init (bd); |
| 153 | #endif |
| 154 | |
| 155 | /* relocate environment function pointers etc. */ |
| 156 | env_relocate (); |
| 157 | |
wdenk | 7abf0c5 | 2004-04-18 21:45:42 +0000 | [diff] [blame] | 158 | /* main_loop */ |
| 159 | for (;;) { |
| 160 | WATCHDOG_RESET (); |
| 161 | main_loop (); |
| 162 | } |
| 163 | } |
| 164 | |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 165 | void hang (void) |
| 166 | { |
| 167 | puts ("### ERROR ### Please RESET the board ###\n"); |
Michal Simek | cfc6711 | 2007-03-11 13:48:24 +0100 | [diff] [blame] | 168 | for (;;) ; |
wdenk | 507bbe3 | 2004-04-18 21:13:41 +0000 | [diff] [blame] | 169 | } |