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wdenk121fc642005-05-19 22:46:33 +00001/*
2 * (C) Copyright 2005
3 * Greg Ungerer, OpenGear Inc, <greg.ungerer@opengear.com>
4 *
5 * (C) Copyright 2002
6 * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
7 *
8 * (C) Copyright 2002
9 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
10 * Marius Groeger <mgroeger@sysgo.de>
11 *
12 * See file CREDITS for list of people who contributed to this
13 * project.
14 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License as
17 * published by the Free Software Foundation; either version 2 of
18 * the License, or (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 * MA 02111-1307 USA
29 */
30
31#include <common.h>
32#include <asm/arch/platform.h>
Wolfgang Denkbd6ce9d2011-09-10 16:59:02 +020033#include <netdev.h>
wdenk121fc642005-05-19 22:46:33 +000034
Wolfgang Denkd87080b2006-03-31 18:32:53 +020035DECLARE_GLOBAL_DATA_PTR;
36
wdenk121fc642005-05-19 22:46:33 +000037/* ------------------------------------------------------------------------- */
38
39#define ks8695_read(a) *((volatile unsigned int *) (KS8695_IO_BASE+(a)))
40#define ks8695_write(a,b) *((volatile unsigned int *) (KS8695_IO_BASE+(a))) = (b)
41
42/* ------------------------------------------------------------------------- */
43
44
45/*
46 * Miscelaneous platform dependent initialisations
47 */
48int env_flash_cmdline (void)
49{
Greg Ungerer61a19262011-09-10 18:36:40 +100050 char *sp = (char *) 0x0201c020;
51 char *ep;
wdenk121fc642005-05-19 22:46:33 +000052 int len;
53
54 /* Check if "erase" push button is depressed */
55 if ((ks8695_read(KS8695_GPIO_DATA) & 0x8) == 0) {
56 printf("### Entering network recovery mode...\n");
57 setenv("bootargs", "console=ttyAM0,115200 mem=16M initrd=0x400000,6M root=/dev/ram0");
58 setenv("bootcmd", "bootp 0x400000; gofsk 0x400000");
59 setenv("bootdelay", "2");
60 return 0;
61 }
62
63 /* Check for flash based kernel boot args to use as default */
64 for (ep = sp, len = 0; ((len < 1024) && (*ep != 0)); ep++, len++)
65 ;
66
67 if ((len > 0) && (len <1024))
68 setenv("bootargs", sp);
69
70 return 0;
71}
72
73int board_late_init (void)
74{
75 return 0;
76}
77
Greg Ungerer1e8ff712011-09-10 18:40:34 +100078int board_eth_init(bd_t *bis)
79{
80 return ks8695_eth_initialize();
81}
wdenk121fc642005-05-19 22:46:33 +000082
83int board_init (void)
84{
wdenk121fc642005-05-19 22:46:33 +000085 /* arch number of CM4008 */
86 gd->bd->bi_arch_number = 624;
87
88 /* adress of boot parameters */
89 gd->bd->bi_boot_params = 0x00000100;
90
91 /* power down all but port 0 on the switch */
92 ks8695_write(KS8695_SWITCH_LPPM12, 0x00000005);
93 ks8695_write(KS8695_SWITCH_LPPM34, 0x00050005);
wdenk16b013e2005-05-19 22:46:33 +000094
wdenk121fc642005-05-19 22:46:33 +000095 return 0;
96}
97
98int dram_init (void)
99{
wdenk121fc642005-05-19 22:46:33 +0000100 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
101 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
102
103 return (0);
104}