1/* 2 * (C) Copyright 2001 3 * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24#include <common.h> 25#include <asm/ppc4xx.h> 26#include <asm/processor.h> 27 28/* 29 * include common flash code (for esd boards) 30 */ 31#include "../common/flash.c" 32 33/*----------------------------------------------------------------------- 34 * Functions 35 */ 36static ulong flash_get_size (vu_long *addr, flash_info_t *info); 37static void flash_get_offsets (ulong base, flash_info_t *info); 38 39 40/*----------------------------------------------------------------------- 41 */ 42 43unsigned long flash_init (void) 44{ 45 unsigned long size_b0; 46 int i; 47 48 /* Init: no FLASHes known */ 49 for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { 50 flash_info[i].flash_id = FLASH_UNKNOWN; 51 } 52 53 /* Static FLASH Bank configuration here - FIXME XXX */ 54 55 size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); 56 57 if (flash_info[0].flash_id == FLASH_UNKNOWN) { 58 printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", 59 size_b0, size_b0<<20); 60 } 61 62 /* Setup offsets */ 63 flash_get_offsets (-size_b0, &flash_info[0]); 64 65 /* Monitor protection ON by default */ 66 (void)flash_protect(FLAG_PROTECT_SET, 67 -monitor_flash_len, 68 0xffffffff, 69 &flash_info[0]); 70 71 flash_info[0].size = size_b0; 72 73 return (size_b0); 74} 75