153 lines
3.7 KiB
C
153 lines
3.7 KiB
C
/*
|
|
* 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 <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 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_common_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> */
|
|
.phys_ram = 0x10000000,
|
|
.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
|