u-boot/board/actux2/actux2.c
Michael Schwingen af0504858c update/fix AcTux2 board
Signed-off-by: Michael Schwingen <michael@schwingen.org>
2011-06-23 08:25:18 +02:00

140 lines
3.3 KiB
C

/*
* (C) Copyright 2007
* Michael Schwingen, michael@schwingen.org
*
* (C) Copyright 2006
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* (C) Copyright 2002
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
#include <malloc.h>
#include <asm/arch/ixp425.h>
#include <asm/io.h>
#include <miiphy.h>
#include "actux2_hw.h"
DECLARE_GLOBAL_DATA_PTR;
int board_early_init_f(void)
{
/* CS1: IPAC-X */
writel(0x94d10013, IXP425_EXP_CS1);
/* CS5: Debug port */
writel(0x9d520003, IXP425_EXP_CS5);
/* CS6: HW release register */
writel(0x81860001, IXP425_EXP_CS6);
/* CS7: LEDs */
writel(0x80900003, IXP425_EXP_CS7);
return 0;
}
int board_init(void)
{
gd->bd->bi_arch_number = MACH_TYPE_ACTUX2;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x00000100;
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_IORST);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_ETHRST);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DSR);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DCD);
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_IORST);
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_ETHRST);
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_DSR);
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_DCD);
/* Setup GPIOs for Interrupt inputs */
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_DBGINT);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_ETHINT);
/* Setup GPIOs for 33MHz clock output */
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK);
writel(0x011001FF, IXP425_GPIO_GPCLKR);
udelay(533);
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_IORST);
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_ETHRST);
ACTUX2_LED1(1);
ACTUX2_LED2(0);
ACTUX2_LED3(0);
ACTUX2_LED4(0);
return 0;
}
/*
* Check Board Identity
*/
int checkboard(void)
{
char buf[64];
int i = getenv_f("serial#", buf, sizeof(buf));
puts("Board: AcTux-2 rev.");
putc(ACTUX2_BOARDREL + 'A' - 1);
if (i > 0) {
puts(", serial# ");
puts(buf);
}
putc('\n');
return 0;
}
int dram_init(void)
{
gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 128<<20);
return 0;
}
/*************************************************************************
* get_board_rev() - setup to pass kernel board revision information
* 0 = reserved
* 1 = Rev. A
* 2 = Rev. B
*************************************************************************/
u32 get_board_rev(void)
{
return ACTUX2_BOARDREL;
}
void reset_phy(void)
{
/* init IcPlus IP175C ethernet switch to native IP175C mode */
miiphy_write("NPE0", 29, 31, 0x175C);
}