source: SVN/rincon/u-boot/board/logodl/logodl.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 22 months ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 2.7 KB
Line 
1/*
2 * (C) 2002 Kyle Harris <kharris@nexus-tech.net>, Nexus Technologies, Inc.
3 * (C) 2002 Marius Groeger <mgroeger@sysgo.de>, Sysgo GmbH
4 * (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 */
24
25#include <common.h>
26#include <asm/arch/pxa-regs.h>
27
28DECLARE_GLOBAL_DATA_PTR;
29
30/**
31 * board_init: - setup some data structures
32 *
33 * @return: 0 in case of success
34 */
35
36int board_init (void)
37{
38        /* memory and cpu-speed are setup before relocation */
39        /* so we do _nothing_ here */
40
41        gd->bd->bi_arch_number = MACH_TYPE_LOGODL;
42        gd->bd->bi_boot_params = 0x08000100;
43        gd->bd->bi_baudrate = CONFIG_BAUDRATE;
44
45        (*((volatile short*)0x14800000)) = 0xff; /* power on eth0 */
46        (*((volatile short*)0x14000000)) = 0xff; /* power on uart */
47
48        return 0;
49}
50
51
52/**
53 * dram_init: - setup dynamic RAM
54 *
55 * @return: 0 in case of success
56 */
57
58int dram_init (void)
59{
60        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
61        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
62
63        return 0;
64}
65
66
67/**
68 * logodl_set_led: - switch LEDs on or off
69 *
70 * @param led:   LED to switch (0,1)
71 * @param state: switch on (1) or off (0)
72 */
73
74void logodl_set_led(int led, int state)
75{
76        switch(led) {
77
78        case 0:
79                if (state==1) {
80                        CFG_LED_A_CR = CFG_LED_A_BIT;
81                } else if (state==0) {
82                        CFG_LED_A_SR = CFG_LED_A_BIT;
83                }
84                break;
85
86        case 1:
87                if (state==1) {
88                        CFG_LED_B_CR = CFG_LED_B_BIT;
89                } else if (state==0) {
90                        CFG_LED_B_SR = CFG_LED_B_BIT;
91                }
92                break;
93        }
94
95        return;
96}
97
98
99/**
100 * show_boot_progress: - indicate state of the boot process
101 *
102 * @param status: Status number - see README for details.
103 *
104 * The LOGOTRONIC does only have 2 LEDs, so we switch them on at the most
105 * important states (1, 5, 15).
106 */
107
108void show_boot_progress (int status)
109{
110        if (status < -32) status = -1;  /* let things compatible */
111        /*
112          switch(status) {
113          case  1: logodl_set_led(0,1); break;
114          case  5: logodl_set_led(1,1); break;
115          case 15: logodl_set_led(2,1); break;
116          }
117        */
118        logodl_set_led(0, (status & 1)==1);
119        logodl_set_led(1, (status & 2)==2);
120
121        return;
122}
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