u-boot/board/dvlhost/dvlhost.c

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/*
* (C) Copyright 2009
* Michael Schwingen, michael@schwingen.org
*
* 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 <config.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 "dvlhost_hw.h"
DECLARE_GLOBAL_DATA_PTR;
int board_early_init_f(void)
{
/* CS1: LED Latch */
writel(0xBFFF0002, IXP425_EXP_CS1);
return 0;
}
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x00000100;
/* Setup GPIOs used as output */
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_WDGTRIGGER);
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_DLAN_PAIRING);
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PCIRST);
/*
* LED latch enable and watchdog enable are tied to the same GPIO,
* so we need to trigger the watchdog if we want to enable the LEDs.
*/
#ifdef CONFIG_HW_WATCHDOG
GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_WDG_LED_EN);
#else
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_WDG_LED_EN);
#endif
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_WDGTRIGGER);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_DLAN_PAIRING);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_WDG_LED_EN);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCIRST);
/* Setup GPIOs for Interrupt inputs */
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_WLAN);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_PAIRING);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_BTN_RESET);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_IRQA);
GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_IRQB);
/* Setup GPIO's for 33MHz clock output */
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK);
GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK);
writel(0x01FF01FF, IXP425_GPIO_GPCLKR);
/* turn off all LEDs */
writew(0x0000, DVLHOST_LED_LATCH);
udelay(533);
GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_PCIRST);
return 0;
}
/* Check Board Identity */
int checkboard(void)
{
char *s = getenv("serial#");
puts("Board: dLAN 200AV (dvlhost)");
if (s != NULL) {
puts(", serial# ");
puts(s);
}
putc('\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
void reset_phy(void)
{
/* init IcPlus IP175C ethernet switch to native IP175C mode */
miiphy_write("NPE1", 29, 31, 0x175C);
}