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