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>
32 extern void __init omap_init_time(void);
33 extern int omap_gpio_init(void);
35 static struct resource netstar_smc91x_resources[] = {
37 .start = OMAP_CS1_PHYS + 0x300,
38 .end = OMAP_CS1_PHYS + 0x300 + 16,
39 .flags = IORESOURCE_MEM,
42 .start = OMAP_GPIO_IRQ(8),
43 .end = OMAP_GPIO_IRQ(8),
44 .flags = IORESOURCE_IRQ,
48 static struct platform_device netstar_smc91x_device = {
51 .num_resources = ARRAY_SIZE(netstar_smc91x_resources),
52 .resource = netstar_smc91x_resources,
55 static struct platform_device *netstar_devices[] __initdata = {
56 &netstar_smc91x_device,
59 static void __init netstar_init_irq(void)
65 static void __init netstar_init(void)
69 omap_set_gpio_direction(4, 0);
72 omap_set_gpio_direction(7, 0);
73 omap_set_gpio_dataout(7, 1);
74 udelay(2); /* wait at least 100ns */
75 omap_set_gpio_dataout(7, 0);
76 mdelay(50); /* 50ms until PHY ready */
77 /* smc91x interrupt pin */
79 omap_set_gpio_edge_ctrl(8, OMAP_GPIO_RISING_EDGE);
81 omap_request_gpio(12);
82 omap_request_gpio(13);
83 omap_request_gpio(14);
84 omap_request_gpio(15);
85 omap_set_gpio_edge_ctrl(12, OMAP_GPIO_FALLING_EDGE);
86 omap_set_gpio_edge_ctrl(13, OMAP_GPIO_FALLING_EDGE);
87 omap_set_gpio_edge_ctrl(14, OMAP_GPIO_FALLING_EDGE);
88 omap_set_gpio_edge_ctrl(15, OMAP_GPIO_FALLING_EDGE);
90 platform_add_devices(netstar_devices, ARRAY_SIZE(netstar_devices));
92 /* Switch on green LED */
93 omap_set_gpio_dataout(4, 0);
94 /* Switch off red LED */
95 omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */
96 omap_writeb(0x80, OMAP_LPG1_LCR);
99 static int __initdata omap_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
101 static void __init netstar_map_io(void)
104 omap_serial_init(omap_serial_ports);
107 #define MACHINE_PANICED 1
108 #define MACHINE_REBOOTING 2
109 #define MACHINE_REBOOT 4
110 static unsigned long machine_state;
112 static int panic_event(struct notifier_block *this, unsigned long event,
115 if (test_and_set_bit(MACHINE_PANICED, &machine_state))
118 /* Switch off green LED */
119 omap_set_gpio_dataout(4, 1);
121 omap_writeb(0x78, OMAP_LPG1_LCR);
122 omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */
127 static struct notifier_block panic_block = {
128 .notifier_call = panic_event,
131 static int __init netstar_late_init(void)
133 /* TODO: Setup front panel switch here */
135 /* Setup panic notifier */
136 notifier_chain_register(&panic_notifier_list, &panic_block);
141 postcore_initcall(netstar_late_init);
143 MACHINE_START(NETSTAR, "NetStar OMAP5910")
144 /* Maintainer: Ladislav Michl <michl@2n.cz> */
145 .phys_ram = 0x10000000,
146 .phys_io = 0xfff00000,
147 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
148 .boot_params = 0x10000100,
149 .map_io = netstar_map_io,
150 .init_irq = netstar_init_irq,
151 .init_machine = netstar_init,
152 .timer = &omap_timer,