diff options
Diffstat (limited to 'board/gcplus/gcplus.c')
-rw-r--r-- | board/gcplus/gcplus.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/board/gcplus/gcplus.c b/board/gcplus/gcplus.c new file mode 100644 index 0000000..06b6098 --- /dev/null +++ b/board/gcplus/gcplus.c @@ -0,0 +1,73 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * 2003-2004 (c) MontaVista Software, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <SA-1100.h> +/* ------------------------------------------------------------------------- */ + +/* + * Miscelaneous platform dependent initialisations + */ + +int +board_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_arch_number = 29; /* ADS GraphicsClientPlus Board */ + + gd->bd->bi_boot_params = 0xc000003c; /* Weird address? */ + + /* Most of the ADS GCPlus I/O is connected to Static nCS2. + * So I'm brute forcing nCS2 timiming here for worst case. + */ + MSC1 &= ~0xFFFF; + MSC1 |= 0x8649; + + /* Nothing is connected to Static nCS4 or nCS5. But I'm using + * nCS4 as a paranoia safe guard to force nCS2, nOE; nWE high + * after accessing I/O via (non-VLIO) nCS2. What can I say, I'm + * paranoid and lack decent tools to alleviate my fear. I sure + * do wish I had a logic analyzer. : ( + */ + + MSC2 = 0xfff9fff9; + + return 0; +} + +int +dram_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; + + return (0); +} |