| wdenk | 3d3befa | 2004-03-14 15:06:13 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2002 |
| 3 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
| 4 | * Marius Groeger <mgroeger@sysgo.de> |
| 5 | * |
| 6 | * (C) Copyright 2002 |
| 7 | * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch> |
| 8 | * |
| 9 | * (C) Copyright 2003 |
| 10 | * Texas Instruments, <www.ti.com> |
| 11 | * Kshitij Gupta <Kshitij@ti.com> |
| 12 | * |
| 13 | * (C) Copyright 2004 |
| 14 | * ARM Ltd. |
| 15 | * Philippe Robin, <philippe.robin@arm.com> |
| 16 | * |
| 17 | * See file CREDITS for list of people who contributed to this |
| 18 | * project. |
| 19 | * |
| 20 | * This program is free software; you can redistribute it and/or |
| 21 | * modify it under the terms of the GNU General Public License as |
| 22 | * published by the Free Software Foundation; either version 2 of |
| 23 | * the License, or (at your option) any later version. |
| 24 | * |
| 25 | * This program is distributed in the hope that it will be useful, |
| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 28 | * GNU General Public License for more details. |
| 29 | * |
| 30 | * You should have received a copy of the GNU General Public License |
| 31 | * along with this program; if not, write to the Free Software |
| 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 33 | * MA 02111-1307 USA |
| 34 | */ |
| 35 | |
| 36 | #include <common.h> |
| 37 | |
| 38 | void flash__init (void); |
| 39 | void ether__init (void); |
| 40 | void peripheral_power_enable (void); |
| 41 | |
| 42 | #if defined(CONFIG_SHOW_BOOT_PROGRESS) |
| 43 | void show_boot_progress(int progress) |
| 44 | { |
| 45 | printf("Boot reached stage %d\n", progress); |
| 46 | } |
| 47 | #endif |
| 48 | |
| 49 | #define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF) |
| 50 | |
| 51 | static inline void delay (unsigned long loops) |
| 52 | { |
| 53 | __asm__ volatile ("1:\n" |
| 54 | "subs %0, %1, #1\n" |
| 55 | "bne 1b":"=r" (loops):"0" (loops)); |
| 56 | } |
| 57 | |
| 58 | /* |
| 59 | * Miscellaneous platform dependent initialisations |
| 60 | */ |
| 61 | |
| 62 | int board_init (void) |
| 63 | { |
| 64 | DECLARE_GLOBAL_DATA_PTR; |
| 65 | |
| 66 | |
| 67 | /* |
| 68 | * set clock frequency: |
| 69 | * VERSATILE_REFCLK is 32KHz |
| 70 | * VERSATILE_TIMCLK is 1MHz |
| 71 | */ |
| 72 | *(volatile unsigned int *)(VERSATILE_SCTL_BASE) |= |
| 73 | ((VERSATILE_TIMCLK << VERSATILE_TIMER1_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER2_EnSel) | |
| 74 | (VERSATILE_TIMCLK << VERSATILE_TIMER3_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER4_EnSel)); |
| 75 | |
| 76 | /* arch number of Versatile Board */ |
| 77 | gd->bd->bi_arch_number = 387; |
| 78 | |
| 79 | /* adress of boot parameters */ |
| 80 | gd->bd->bi_boot_params = 0x00000100; |
| 81 | |
| 82 | icache_enable (); |
| 83 | |
| 84 | flash__init (); |
| 85 | ether__init (); |
| 86 | return 0; |
| 87 | } |
| 88 | |
| 89 | |
| 90 | int misc_init_r (void) |
| 91 | { |
| 92 | setenv("verify", "n"); |
| 93 | return (0); |
| 94 | } |
| 95 | |
| 96 | /****************************** |
| 97 | Routine: |
| 98 | Description: |
| 99 | ******************************/ |
| 100 | void flash__init (void) |
| 101 | { |
| 102 | } |
| 103 | /************************************************************* |
| 104 | Routine:ether__init |
| 105 | Description: take the Ethernet controller out of reset and wait |
| 106 | for the EEPROM load to complete. |
| 107 | *************************************************************/ |
| 108 | void ether__init (void) |
| 109 | { |
| 110 | } |
| 111 | |
| 112 | /****************************** |
| 113 | Routine: |
| 114 | Description: |
| 115 | ******************************/ |
| 116 | int dram_init (void) |
| 117 | { |
| 118 | return 0; |
| 119 | } |