1/* $NetBSD: smdk2800.c,v 1.4 2005/12/11 12:17:09 christos Exp $ */ 2 3/* 4 * Copyright (c) 2002, 2003 Fujitsu Component Limited 5 * Copyright (c) 2002, 2003 Genetec Corporation 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of The Fujitsu Component Limited nor the name of 17 * Genetec corporation may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC 21 * CORPORATION ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 22 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL FUJITSU COMPONENT LIMITED OR GENETEC 25 * CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 28 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35/* 36 * Board initialization routines for the Samsung's SMDK2800. 37 */ 38 39#include <sys/types.h> 40#include <lib/libsa/stand.h> 41#include <arch/arm/s3c2xx0/s3c2800reg.h> 42 43#include "board.h" 44 45#define RAM_START 0x08000000 46#define RAM_SIZE 0x02000000 47 48void 49board_init(void) 50{ 51 mem_init(); 52} 53 54void 55board_fini(void) 56{ 57 58 /* Nothing to do here. */ 59} 60 61void 62mem_init(void) 63{ 64 uint32_t start, size, heap; 65 66 start = RAM_START; 67 size = RAM_SIZE; 68 /* ROM monitor uses top of SDRAM for page table. */ 69#define ROMMONITOR_PAGETABLE (RAM_START+RAM_SIZE-0x8000) 70 71 heap = ROMMONITOR_PAGETABLE - BOARD_HEAP_SIZE; 72 73 printf(">> RAM 0x%x - 0x%x, heap at 0x%x\n", 74 start, (start + size) - 1, heap); 75 setheap((void *)heap, (void *)(heap + BOARD_HEAP_SIZE - 1)); 76} 77 78#ifdef SELFCOPY_TO_FLASH 79#include "flash.h" 80 81void 82protect_flash(int protect_on) 83{ 84 volatile uint8_t *gpdatc = 85 (volatile uint8_t *)(S3C2800_GPIO_BASE+GPIO_PDATC); 86 87 if (protect_on) 88 *gpdatc &= (1<<3); 89 else 90 *gpdatc |= (1<<3); 91} 92 93int 94get_flash_info(void *addr, struct flash_info *info) 95{ 96 get_flash_chip_info(addr, info); 97 98 info->page_size *= 2; 99 info->data_width *= 2; 100 info->writebuf_len *= 2; 101 102 return 0; 103} 104#endif 105