actux4.c
3.75 KB
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/*
* (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>
#ifdef CONFIG_PCI
#include <pci.h>
#include <asm/arch/ixp425pci.h>
#endif
#include "actux4_hw.h"
DECLARE_GLOBAL_DATA_PTR;
int board_early_init_f(void)
{
writel(0xbd113c42, IXP425_EXP_CS1);
return 0;
}
int board_init(void)
{
gd->bd->bi_arch_number = MACH_TYPE_ACTUX4;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x00000100;
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_nPWRON);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_nPWRON);
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_IORST);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_IORST);
/* led not populated on board*/
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_LED3);
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_LED3);
/* middle LED */
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_LED2);
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_LED2);
/* right LED */
/* weak pulldown = LED weak on */
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_LED1);
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_LED1);
/* Setup GPIO's for Interrupt inputs */
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_USBINTA);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_USBINTB);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_USBINTC);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_RTCINT);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTA);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTB);
GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_USBINTA);
GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_USBINTB);
GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_USBINTC);
GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_RTCINT);
GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTA);
GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTB);
/* Setup GPIO's for 33MHz clock output */
writel(0x011001FF, IXP425_GPIO_GPCLKR);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK);
udelay(10000);
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_IORST);
udelay(10000);
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_IORST);
udelay(10000);
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_IORST);
return 0;
}
/* Check Board Identity */
int checkboard(void)
{
puts("Board: AcTux-4\n");
return 0;
}
int dram_init(void)
{
gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 128<<20);
return 0;
}
#ifdef CONFIG_PCI
struct pci_controller hose;
void pci_init_board(void)
{
pci_ixp_init(&hose);
}
#endif
/*
* Hardcoded flash setup:
* Flash 0 is a non-CFI SST 39VF020 flash, 8 bit flash / 8 bit bus.
* Flash 1 is an Intel *16 flash using the CFI driver.
*/
ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
{
if (banknum == 0) { /* non-CFI boot flash */
info->portwidth = 1;
info->chipwidth = 1;
info->interface = FLASH_CFI_X8;
return 1;
} else
return 0;
}