1 /* $NetBSD: smdk2800.c,v 1.5 2006/01/16 19:34:53 he 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
48 void
board_init(void)49 board_init(void)
50 {
51 mem_init();
52 }
53
54 void
board_fini(void)55 board_fini(void)
56 {
57
58 /* Nothing to do here. */
59 }
60
61 void
mem_init(void)62 mem_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
81 void
protect_flash(int protect_on)82 protect_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
93 int
get_flash_info(void * addr,struct flash_info * info)94 get_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