105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/* $NetBSD: smdk2800.c,v 1.5 2006/01/16 19:34:53 he Exp $ */
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/*
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* Copyright (c) 2002, 2003 Fujitsu Component Limited
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* Copyright (c) 2002, 2003 Genetec Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of The Fujitsu Component Limited nor the name of
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* Genetec corporation may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC
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* CORPORATION ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL FUJITSU COMPONENT LIMITED OR GENETEC
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* CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Board initialization routines for the Samsung's SMDK2800.
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*/
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#include <sys/types.h>
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#include <lib/libsa/stand.h>
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#include <arch/arm/s3c2xx0/s3c2800reg.h>
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#include "board.h"
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#define RAM_START 0x08000000
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#define RAM_SIZE 0x02000000
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void
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board_init(void)
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{
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mem_init();
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}
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void
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board_fini(void)
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{
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/* Nothing to do here. */
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}
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void
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mem_init(void)
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{
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uint32_t start, size, heap;
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start = RAM_START;
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size = RAM_SIZE;
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/* ROM monitor uses top of SDRAM for page table. */
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#define ROMMONITOR_PAGETABLE (RAM_START+RAM_SIZE-0x8000)
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heap = ROMMONITOR_PAGETABLE - BOARD_HEAP_SIZE;
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printf(">> RAM 0x%x - 0x%x, heap at 0x%x\n",
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start, (start + size) - 1, heap);
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setheap((void *)heap, (void *)(heap + BOARD_HEAP_SIZE - 1));
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}
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#ifdef SELFCOPY_TO_FLASH
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#include "flash.h"
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void
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protect_flash(int protect_on)
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{
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volatile uint8_t *gpdatc =
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(volatile uint8_t *)(S3C2800_GPIO_BASE+GPIO_PDATC);
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if (protect_on)
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*gpdatc &= (1<<3);
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else
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*gpdatc |= (1<<3);
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}
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int
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get_flash_info(void *addr, struct flash_info *info)
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{
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get_flash_chip_info(addr, info);
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info->page_size *= 2;
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info->data_width *= 2;
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info->writebuf_len *= 2;
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return 0;
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}
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#endif
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