3 * Robert Schwebel, Pengutronix, r.schwebel@pengutronix.de
4 * Kyle Harris, Nexus Technologies, Inc., kharris@nexus-tech.net
5 * Marius Groeger, Sysgo Real-Time Solutions GmbH, mgroeger@sysgo.de
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <asm/arch/pxa-regs.h>
29 #ifdef CONFIG_SHOW_BOOT_PROGRESS
30 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
32 # define SHOW_BOOT_PROGRESS(arg)
36 * misc_init_r: - misc initialisation routines
44 /* determine if the software update key is pressed during startup */
45 /* not ported yet... */
46 if (GPLR0 & 0x00000800) {
47 printf("using bootcmd_normal (sw-update button not pressed)\n");
48 str = getenv("bootcmd_normal");
50 printf("using bootcmd_update (sw-update button pressed)\n");
51 str = getenv("bootcmd_update");
54 setenv("bootcmd",str);
61 * board_init: - setup some data structures
63 * @return: 0 in case of success
68 DECLARE_GLOBAL_DATA_PTR;
70 /* memory and cpu-speed are setup before relocation */
71 /* so we do _nothing_ here */
73 /* arch number of CSB226 board */
74 gd->bd->bi_arch_number = 216;
76 /* adress of boot parameters */
77 gd->bd->bi_boot_params = 0xa0000100;
84 * dram_init: - setup dynamic RAM
86 * @return: 0 in case of success
91 DECLARE_GLOBAL_DATA_PTR;
93 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
94 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
101 * csb226_set_led: - switch LEDs on or off
103 * @param led: LED to switch (0,1,2)
104 * @param state: switch on (1) or off (0)
107 void csb226_set_led(int led, int state)
111 case 0: if (state==1) {
112 GPCR0 |= CSB226_USER_LED0;
113 } else if (state==0) {
114 GPSR0 |= CSB226_USER_LED0;
118 case 1: if (state==1) {
119 GPCR0 |= CSB226_USER_LED1;
120 } else if (state==0) {
121 GPSR0 |= CSB226_USER_LED1;
125 case 2: if (state==1) {
126 GPCR0 |= CSB226_USER_LED2;
127 } else if (state==0) {
128 GPSR0 |= CSB226_USER_LED2;
138 * show_boot_progress: - indicate state of the boot process
140 * @param status: Status number - see README for details.
142 * The CSB226 does only have 3 LEDs, so we switch them on at the most
143 * important states (1, 5, 15).
146 void show_boot_progress (int status)
149 case 1: csb226_set_led(0,1); break;
150 case 5: csb226_set_led(1,1); break;
151 case 15: csb226_set_led(2,1); break;