/*
* Modified from board-generic.c
*
* Copyright (C) 2004 2N Telekomunikace, Ladislav Michl <michl@2n.cz>
*
* Code for Netstar OMAP board.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mux.h>
#include <asm/arch/usb.h>
#include "common.h"
extern void __init omap_init_time(void);
extern int omap_gpio_init(void);
static struct resource netstar_smc91x_resources[] = {
[0] = {
.start = OMAP_CS1_PHYS + 0x300,
.end = OMAP_CS1_PHYS + 0x300 + 16,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = OMAP_GPIO_IRQ(8),
.end = OMAP_GPIO_IRQ(8),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device netstar_smc91x_device = {
.name = "smc91x",
.id = 0,
.num_resources = ARRAY_SIZE(netstar_smc91x_resources),
.resource = netstar_smc91x_resources,
};
static struct platform_device *netstar_devices[] __initdata = {
&netstar_smc91x_device,
};
static void __init netstar_init_irq(void)
{
omap_init_irq();
omap_gpio_init();
}
static void __init netstar_init(void)
{
/* green LED */
omap_request_gpio(4);
omap_set_gpio_direction(4, 0);
/* smc91x reset */
omap_request_gpio(7);
omap_set_gpio_direction(7, 0);
omap_set_gpio_dataout(7, 1);
udelay(2); /* wait at least 100ns */
omap_set_gpio_dataout(7, 0);
mdelay(50); /* 50ms until PHY ready */
/* smc91x interrupt pin */
omap_request_gpio(8);
omap_set_gpio_edge_ctrl(8, OMAP_GPIO_RISING_EDGE);
omap_request_gpio(12);
omap_request_gpio(13);
omap_request_gpio(14);
omap_request_gpio(15);
omap_set_gpio_edge_ctrl(12, OMAP_GPIO_FALLING_EDGE);
omap_set_gpio_edge_ctrl(13, OMAP_GPIO_FALLING_EDGE);
omap_set_gpio_edge_ctrl(14, OMAP_GPIO_FALLING_EDGE);
omap_set_gpio_edge_ctrl(15, OMAP_GPIO_FALLING_EDGE);
platform_add_devices(netstar_devices, ARRAY_SIZE(netstar_devices));
/* Switch on green LED */
omap_set_gpio_dataout(4, 0);
/* Switch off red LED */
omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */
omap_writeb(0x80, OMAP_LPG1_LCR);
}
static int __initdata omap_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
static void __init netstar_map_io(void)
{
omap_map_io();
omap_serial_init(omap_serial_ports);
}
#define MACHINE_PANICED 1
#define MACHINE_REBOOTING 2
#define MACHINE_REBOOT 4
static unsigned long machine_state;
static int panic_event(struct notifier_block *this, unsigned long event,
void *ptr)
{
if (test_and_set_bit(MACHINE_PANICED, &machine_state))
return NOTIFY_DONE;
/* Switch off green LED */
omap_set_gpio_dataout(4, 1);
/* Flash red LED */
omap_writeb(0x78, OMAP_LPG1_LCR);
omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */
return NOTIFY_DONE;
}
static struct notifier_block panic_block = {
.notifier_call = panic_event,
};
static int __init netstar_late_init(void)
{
/* TODO: Setup front panel switch here */
/* Setup panic notifier */
notifier_chain_register(&panic_notifier_list, &panic_block);
return 0;
}
postcore_initcall(netstar_late_init);
MACHINE_START(NETSTAR, "NetStar OMAP5910")
MAINTAINER("Ladislav Michl <michl@2n.cz>")
BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
BOOT_PARAMS(0x10000100)
MAPIO(netstar_map_io)
INITIRQ(netstar_init_irq)
INIT_MACHINE(netstar_init)
.timer = &omap_timer,
MACHINE_END
