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