| wdenk | ed2ac4b | 2004-03-14 18:23:55 +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 | * 2003-2004 (c) MontaVista Software, Inc. |
| 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 |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 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 <SA-1100.h> |
| 29 | /* ------------------------------------------------------------------------- */ |
| 30 | |
| 31 | /* |
| 32 | * Miscelaneous platform dependent initialisations |
| 33 | */ |
| 34 | |
| 35 | int |
| 36 | board_init(void) |
| 37 | { |
| 38 | DECLARE_GLOBAL_DATA_PTR; |
| 39 | |
| 40 | gd->bd->bi_arch_number = 29; /* ADS GraphicsClientPlus Board */ |
| 41 | |
| 42 | gd->bd->bi_boot_params = 0xc000003c; /* Weird address? */ |
| 43 | |
| 44 | /* Most of the ADS GCPlus I/O is connected to Static nCS2. |
| 45 | * So I'm brute forcing nCS2 timiming here for worst case. |
| 46 | */ |
| 47 | MSC1 &= ~0xFFFF; |
| 48 | MSC1 |= 0x8649; |
| 49 | |
| 50 | /* Nothing is connected to Static nCS4 or nCS5. But I'm using |
| 51 | * nCS4 as a paranoia safe guard to force nCS2, nOE; nWE high |
| 52 | * after accessing I/O via (non-VLIO) nCS2. What can I say, I'm |
| 53 | * paranoid and lack decent tools to alleviate my fear. I sure |
| 54 | * do wish I had a logic analyzer. : ( |
| 55 | */ |
| 56 | |
| 57 | MSC2 = 0xfff9fff9; |
| 58 | |
| 59 | return 0; |
| 60 | } |
| 61 | |
| 62 | int |
| 63 | dram_init(void) |
| 64 | { |
| 65 | DECLARE_GLOBAL_DATA_PTR; |
| 66 | |
| 67 | gd->bd->bi_dram[0].start = PHYS_SDRAM_1; |
| 68 | gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; |
| 69 | gd->bd->bi_dram[1].start = PHYS_SDRAM_2; |
| 70 | gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; |
| 71 | |
| 72 | return (0); |
| 73 | } |