/*
* 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/platform_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 <asm/arch/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 struct omap_uart_config netstar_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
static struct omap_board_config_kernel netstar_config[] = {
{ OMAP_TAG_UART, &netstar_uart_config },
};
static void __init netstar_init_irq(void)
{
omap1_init_common_hw();
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_request_gpio(12);
omap_request_gpio(13);
omap_request_gpio(14);
omap_request_gpio(15);
set_irq_type(OMAP_GPIO_IRQ(12), IRQT_FALLING);
set_irq_type(OMAP_GPIO_IRQ(13), IRQT_FALLING);
set_irq_type(OMAP_GPIO_IRQ(14), IRQT_FALLING);
set_irq_type(OMAP_GPIO_IRQ(15), IRQT_FALLING);
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);
omap_board_config = netstar_config;
omap_board_config_size = ARRAY_SIZE(netstar_config);
omap_serial_init();
}
static void __init netstar_map_io(void)
{
omap1_map_common_io();
}
#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 */
atomic_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> */
.phys_io = 0xfff00000,
.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
.boot_params = 0x10000100,
.map_io = netstar_map_io,
.init_irq = netstar_init_irq,
.init_machine = netstar_init,
.timer = &omap_timer,
MACHINE_END
