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-rw-r--r--arch/arm/mach-omap1/board-netstar.c152
1 files changed, 152 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-netstar.c b/arch/arm/mach-omap1/board-netstar.c
new file mode 100644
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+++ b/arch/arm/mach-omap1/board-netstar.c
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1/*
2 * Modified from board-generic.c
3 *
4 * Copyright (C) 2004 2N Telekomunikace, Ladislav Michl <michl@2n.cz>
5 *
6 * Code for Netstar OMAP board.
7 *
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.
11 */
12
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>
20
21#include <asm/hardware.h>
22#include <asm/mach-types.h>
23#include <asm/mach/arch.h>
24#include <asm/mach/map.h>
25
26#include <asm/arch/gpio.h>
27#include <asm/arch/mux.h>
28#include <asm/arch/usb.h>
29#include <asm/arch/common.h>
30
31extern void __init omap_init_time(void);
32extern int omap_gpio_init(void);
33
34static struct resource netstar_smc91x_resources[] = {
35 [0] = {
36 .start = OMAP_CS1_PHYS + 0x300,
37 .end = OMAP_CS1_PHYS + 0x300 + 16,
38 .flags = IORESOURCE_MEM,
39 },
40 [1] = {
41 .start = OMAP_GPIO_IRQ(8),
42 .end = OMAP_GPIO_IRQ(8),
43 .flags = IORESOURCE_IRQ,
44 },
45};
46
47static struct platform_device netstar_smc91x_device = {
48 .name = "smc91x",
49 .id = 0,
50 .num_resources = ARRAY_SIZE(netstar_smc91x_resources),
51 .resource = netstar_smc91x_resources,
52};
53
54static struct platform_device *netstar_devices[] __initdata = {
55 &netstar_smc91x_device,
56};
57
58static void __init netstar_init_irq(void)
59{
60 omap_init_irq();
61 omap_gpio_init();
62}
63
64static void __init netstar_init(void)
65{
66 /* green LED */
67 omap_request_gpio(4);
68 omap_set_gpio_direction(4, 0);
69 /* smc91x reset */
70 omap_request_gpio(7);
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 */
77 omap_request_gpio(8);
78 omap_set_gpio_edge_ctrl(8, OMAP_GPIO_RISING_EDGE);
79
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);
88
89 platform_add_devices(netstar_devices, ARRAY_SIZE(netstar_devices));
90
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);
96}
97
98static int __initdata omap_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1};
99
100static void __init netstar_map_io(void)
101{
102 omap_map_common_io();
103 omap_serial_init(omap_serial_ports);
104}
105
106#define MACHINE_PANICED 1
107#define MACHINE_REBOOTING 2
108#define MACHINE_REBOOT 4
109static unsigned long machine_state;
110
111static int panic_event(struct notifier_block *this, unsigned long event,
112 void *ptr)
113{
114 if (test_and_set_bit(MACHINE_PANICED, &machine_state))
115 return NOTIFY_DONE;
116
117 /* Switch off green LED */
118 omap_set_gpio_dataout(4, 1);
119 /* Flash red LED */
120 omap_writeb(0x78, OMAP_LPG1_LCR);
121 omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */
122
123 return NOTIFY_DONE;
124}
125
126static struct notifier_block panic_block = {
127 .notifier_call = panic_event,
128};
129
130static int __init netstar_late_init(void)
131{
132 /* TODO: Setup front panel switch here */
133
134 /* Setup panic notifier */
135 notifier_chain_register(&panic_notifier_list, &panic_block);
136
137 return 0;
138}
139
140postcore_initcall(netstar_late_init);
141
142MACHINE_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,
152MACHINE_END