/* * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Alex Zuepke <azu@sysgo.de> * * 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> DECLARE_GLOBAL_DATA_PTR; /* * Miscelaneous platform dependent initialisations */ int board_init (void) { /* memory and cpu-speed are setup before relocation */ /* but if we use InfernoLoader, we must do some inits here */ #ifdef CONFIG_INFERNO { unsigned long temp; __asm__ __volatile__(/* disable MMU, enable icache */ "mrc p15, 0, %0, c1, c0\n" "bic %0, %0, #0x00002000\n" "bic %0, %0, #0x0000000f\n" "orr %0, %0, #0x00001000\n" "orr %0, %0, #0x00000002\n" "mcr p15, 0, %0, c1, c0\n" /* flush caches */ "mov %0, #0\n" "mcr p15, 0, %0, c7, c7, 0\n" "mcr p15, 0, %0, c8, c7, 0\n" : "=r" (temp) : : "memory"); /* setup PCMCIA timing */ temp = 0xa0000018; *(unsigned long *)temp = 0x00060006; } #endif /* CONFIG_INFERNO */ /* arch number for shannon */ gd->bd->bi_arch_number = MACH_TYPE_SHANNON; /* adress of boot parameters */ gd->bd->bi_boot_params = 0xc0000100; return 0; } int dram_init (void) { #if defined(PHYS_SDRAM_1) || defined(PHYS_SDRAM_2) || \ defined(PHYS_SDRAM_3) || defined(PHYS_SDRAM_4) bd_t *bd = gd->bd; #endif #ifdef PHYS_SDRAM_1 bd->bi_dram[0].start = PHYS_SDRAM_1; bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; #endif #ifdef PHYS_SDRAM_2 bd->bi_dram[1].start = PHYS_SDRAM_2; bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; #endif #ifdef PHYS_SDRAM_3 bd->bi_dram[2].start = PHYS_SDRAM_3; bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE; #endif #ifdef PHYS_SDRAM_4 bd->bi_dram[3].start = PHYS_SDRAM_4; bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE; #endif return (0); }