mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 15:37:23 +00:00
122 lines
2.8 KiB
C
122 lines
2.8 KiB
C
/*
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* (C) 2002 Kyle Harris <kharris@nexus-tech.net>, Nexus Technologies, Inc.
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* (C) 2002 Marius Groeger <mgroeger@sysgo.de>, Sysgo GmbH
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* (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/arch/pxa-regs.h>
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DECLARE_GLOBAL_DATA_PTR;
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/**
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* board_init: - setup some data structures
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*
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* @return: 0 in case of success
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*/
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int board_init (void)
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{
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/* memory and cpu-speed are setup before relocation */
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/* so we do _nothing_ here */
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gd->bd->bi_arch_number = MACH_TYPE_LOGODL;
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gd->bd->bi_boot_params = 0x08000100;
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gd->bd->bi_baudrate = CONFIG_BAUDRATE;
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(*((volatile short*)0x14800000)) = 0xff; /* power on eth0 */
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(*((volatile short*)0x14000000)) = 0xff; /* power on uart */
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return 0;
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}
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/**
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* dram_init: - setup dynamic RAM
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*
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* @return: 0 in case of success
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*/
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int dram_init (void)
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{
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gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
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gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
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return 0;
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}
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/**
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* logodl_set_led: - switch LEDs on or off
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*
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* @param led: LED to switch (0,1)
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* @param state: switch on (1) or off (0)
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*/
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void logodl_set_led(int led, int state)
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{
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switch(led) {
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case 0:
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if (state==1) {
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CONFIG_SYS_LED_A_CR = CONFIG_SYS_LED_A_BIT;
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} else if (state==0) {
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CONFIG_SYS_LED_A_SR = CONFIG_SYS_LED_A_BIT;
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}
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break;
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case 1:
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if (state==1) {
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CONFIG_SYS_LED_B_CR = CONFIG_SYS_LED_B_BIT;
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} else if (state==0) {
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CONFIG_SYS_LED_B_SR = CONFIG_SYS_LED_B_BIT;
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}
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break;
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}
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return;
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}
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/**
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* show_boot_progress: - indicate state of the boot process
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*
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* @param status: Status number - see README for details.
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*
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* The LOGOTRONIC does only have 2 LEDs, so we switch them on at the most
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* important states (1, 5, 15).
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*/
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void show_boot_progress (int status)
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{
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if (status < -32) status = -1; /* let things compatible */
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/*
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switch(status) {
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case 1: logodl_set_led(0,1); break;
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case 5: logodl_set_led(1,1); break;
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case 15: logodl_set_led(2,1); break;
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}
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*/
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logodl_set_led(0, (status & 1)==1);
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logodl_set_led(1, (status & 2)==2);
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return;
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}
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