2 * Modified from board-generic.c
4 * Copyright (C) 2004 2N Telekomunikace, Ladislav Michl <michl@2n.cz>
6 * Code for Netstar OMAP board.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #include <linux/delay.h>
14 #include <linux/device.h>
15 #include <linux/interrupt.h>
16 #include <linux/init.h>
17 #include <linux/kernel.h>
18 #include <linux/notifier.h>
19 #include <linux/reboot.h>
21 #include <asm/hardware.h>
22 #include <asm/mach-types.h>
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
26 #include <asm/arch/gpio.h>
27 #include <asm/arch/mux.h>
28 #include <asm/arch/usb.h>
29 #include <asm/arch/common.h>
31 extern void __init omap_init_time(void);
32 extern int omap_gpio_init(void);
34 static struct resource netstar_smc91x_resources[] = {
36 .start = OMAP_CS1_PHYS + 0x300,
37 .end = OMAP_CS1_PHYS + 0x300 + 16,
38 .flags = IORESOURCE_MEM,
41 .start = OMAP_GPIO_IRQ(8),
42 .end = OMAP_GPIO_IRQ(8),
43 .flags = IORESOURCE_IRQ,
47 static struct platform_device netstar_smc91x_device = {
50 .num_resources = ARRAY_SIZE(netstar_smc91x_resources),
51 .resource = netstar_smc91x_resources,
54 static struct platform_device *netstar_devices[] __initdata = {
55 &netstar_smc91x_device,
58 static void __init netstar_init_irq(void)
64 static void __init netstar_init(void)
68 omap_set_gpio_direction(4, 0);
71 omap_set_gpio_direction(7, 0);
72 omap_set_gpio_dataout(7, 1);
73 udelay(2); /* wait at least 100ns */
74 omap_set_gpio_dataout(7, 0);
75 mdelay(50); /* 50ms until PHY ready */
76 /* smc91x interrupt pin */
78 omap_set_gpio_edge_ctrl(8, OMAP_GPIO_RISING_EDGE);
80 omap_request_gpio(12);
81 omap_request_gpio(13);
82 omap_request_gpio(14);
83 omap_request_gpio(15);
84 omap_set_gpio_edge_ctrl(12, OMAP_GPIO_FALLING_EDGE);
85 omap_set_gpio_edge_ctrl(13, OMAP_GPIO_FALLING_EDGE);
86 omap_set_gpio_edge_ctrl(14, OMAP_GPIO_FALLING_EDGE);
87 omap_set_gpio_edge_ctrl(15, OMAP_GPIO_FALLING_EDGE);
89 platform_add_devices(netstar_devices, ARRAY_SIZE(netstar_devices));
91 /* Switch on green LED */
92 omap_set_gpio_dataout(4, 0);
93 /* Switch off red LED */
94 omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */
95 omap_writeb(0x80, OMAP_LPG1_LCR);
98 static int __initdata omap_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
100 static void __init netstar_map_io(void)
102 omap_map_common_io();
103 omap_serial_init(omap_serial_ports);
106 #define MACHINE_PANICED 1
107 #define MACHINE_REBOOTING 2
108 #define MACHINE_REBOOT 4
109 static unsigned long machine_state;
111 static int panic_event(struct notifier_block *this, unsigned long event,
114 if (test_and_set_bit(MACHINE_PANICED, &machine_state))
117 /* Switch off green LED */
118 omap_set_gpio_dataout(4, 1);
120 omap_writeb(0x78, OMAP_LPG1_LCR);
121 omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */
126 static struct notifier_block panic_block = {
127 .notifier_call = panic_event,
130 static int __init netstar_late_init(void)
132 /* TODO: Setup front panel switch here */
134 /* Setup panic notifier */
135 notifier_chain_register(&panic_notifier_list, &panic_block);
140 postcore_initcall(netstar_late_init);
142 MACHINE_START(NETSTAR, "NetStar OMAP5910")
143 /* Maintainer: Ladislav Michl <michl@2n.cz> */
144 .phys_ram = 0x10000000,
145 .phys_io = 0xfff00000,
146 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
147 .boot_params = 0x10000100,
148 .map_io = netstar_map_io,
149 .init_irq = netstar_init_irq,
150 .init_machine = netstar_init,
151 .timer = &omap_timer,