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/platform_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 struct omap_uart_config netstar_uart_config __initdata = {
59 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
62 static struct omap_board_config_kernel netstar_config[] = {
63 { OMAP_TAG_UART, &netstar_uart_config },
66 static void __init netstar_init_irq(void)
72 static void __init netstar_init(void)
76 omap_set_gpio_direction(4, 0);
79 omap_set_gpio_direction(7, 0);
80 omap_set_gpio_dataout(7, 1);
81 udelay(2); /* wait at least 100ns */
82 omap_set_gpio_dataout(7, 0);
83 mdelay(50); /* 50ms until PHY ready */
84 /* smc91x interrupt pin */
87 omap_request_gpio(12);
88 omap_request_gpio(13);
89 omap_request_gpio(14);
90 omap_request_gpio(15);
91 set_irq_type(OMAP_GPIO_IRQ(12), IRQT_FALLING);
92 set_irq_type(OMAP_GPIO_IRQ(13), IRQT_FALLING);
93 set_irq_type(OMAP_GPIO_IRQ(14), IRQT_FALLING);
94 set_irq_type(OMAP_GPIO_IRQ(15), IRQT_FALLING);
96 platform_add_devices(netstar_devices, ARRAY_SIZE(netstar_devices));
98 /* Switch on green LED */
99 omap_set_gpio_dataout(4, 0);
100 /* Switch off red LED */
101 omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */
102 omap_writeb(0x80, OMAP_LPG1_LCR);
104 omap_board_config = netstar_config;
105 omap_board_config_size = ARRAY_SIZE(netstar_config);
109 static void __init netstar_map_io(void)
111 omap_map_common_io();
114 #define MACHINE_PANICED 1
115 #define MACHINE_REBOOTING 2
116 #define MACHINE_REBOOT 4
117 static unsigned long machine_state;
119 static int panic_event(struct notifier_block *this, unsigned long event,
122 if (test_and_set_bit(MACHINE_PANICED, &machine_state))
125 /* Switch off green LED */
126 omap_set_gpio_dataout(4, 1);
128 omap_writeb(0x78, OMAP_LPG1_LCR);
129 omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */
134 static struct notifier_block panic_block = {
135 .notifier_call = panic_event,
138 static int __init netstar_late_init(void)
140 /* TODO: Setup front panel switch here */
142 /* Setup panic notifier */
143 notifier_chain_register(&panic_notifier_list, &panic_block);
148 postcore_initcall(netstar_late_init);
150 MACHINE_START(NETSTAR, "NetStar OMAP5910")
151 /* Maintainer: Ladislav Michl <michl@2n.cz> */
152 .phys_ram = 0x10000000,
153 .phys_io = 0xfff00000,
154 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
155 .boot_params = 0x10000100,
156 .map_io = netstar_map_io,
157 .init_irq = netstar_init_irq,
158 .init_machine = netstar_init,
159 .timer = &omap_timer,