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1da177e4 LT |
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 | ||
30 | #include "common.h" | |
31 | ||
32 | extern void __init omap_init_time(void); | |
33 | extern int omap_gpio_init(void); | |
34 | ||
35 | static struct resource netstar_smc91x_resources[] = { | |
36 | [0] = { | |
37 | .start = OMAP_CS1_PHYS + 0x300, | |
38 | .end = OMAP_CS1_PHYS + 0x300 + 16, | |
39 | .flags = IORESOURCE_MEM, | |
40 | }, | |
41 | [1] = { | |
42 | .start = OMAP_GPIO_IRQ(8), | |
43 | .end = OMAP_GPIO_IRQ(8), | |
44 | .flags = IORESOURCE_IRQ, | |
45 | }, | |
46 | }; | |
47 | ||
48 | static struct platform_device netstar_smc91x_device = { | |
49 | .name = "smc91x", | |
50 | .id = 0, | |
51 | .num_resources = ARRAY_SIZE(netstar_smc91x_resources), | |
52 | .resource = netstar_smc91x_resources, | |
53 | }; | |
54 | ||
55 | static struct platform_device *netstar_devices[] __initdata = { | |
56 | &netstar_smc91x_device, | |
57 | }; | |
58 | ||
59 | static void __init netstar_init_irq(void) | |
60 | { | |
61 | omap_init_irq(); | |
62 | omap_gpio_init(); | |
63 | } | |
64 | ||
65 | static void __init netstar_init(void) | |
66 | { | |
67 | /* green LED */ | |
68 | omap_request_gpio(4); | |
69 | omap_set_gpio_direction(4, 0); | |
70 | /* smc91x reset */ | |
71 | omap_request_gpio(7); | |
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 */ | |
78 | omap_request_gpio(8); | |
79 | omap_set_gpio_edge_ctrl(8, OMAP_GPIO_RISING_EDGE); | |
80 | ||
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); | |
89 | ||
90 | platform_add_devices(netstar_devices, ARRAY_SIZE(netstar_devices)); | |
91 | ||
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); | |
97 | } | |
98 | ||
99 | static int __initdata omap_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1}; | |
100 | ||
101 | static void __init netstar_map_io(void) | |
102 | { | |
103 | omap_map_io(); | |
104 | omap_serial_init(omap_serial_ports); | |
105 | } | |
106 | ||
107 | #define MACHINE_PANICED 1 | |
108 | #define MACHINE_REBOOTING 2 | |
109 | #define MACHINE_REBOOT 4 | |
110 | static unsigned long machine_state; | |
111 | ||
112 | static int panic_event(struct notifier_block *this, unsigned long event, | |
113 | void *ptr) | |
114 | { | |
115 | if (test_and_set_bit(MACHINE_PANICED, &machine_state)) | |
116 | return NOTIFY_DONE; | |
117 | ||
118 | /* Switch off green LED */ | |
119 | omap_set_gpio_dataout(4, 1); | |
120 | /* Flash red LED */ | |
121 | omap_writeb(0x78, OMAP_LPG1_LCR); | |
122 | omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */ | |
123 | ||
124 | return NOTIFY_DONE; | |
125 | } | |
126 | ||
127 | static struct notifier_block panic_block = { | |
128 | .notifier_call = panic_event, | |
129 | }; | |
130 | ||
131 | static int __init netstar_late_init(void) | |
132 | { | |
133 | /* TODO: Setup front panel switch here */ | |
134 | ||
135 | /* Setup panic notifier */ | |
136 | notifier_chain_register(&panic_notifier_list, &panic_block); | |
137 | ||
138 | return 0; | |
139 | } | |
140 | ||
141 | postcore_initcall(netstar_late_init); | |
142 | ||
143 | MACHINE_START(NETSTAR, "NetStar OMAP5910") | |
e9dea0c6 RK |
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, | |
1da177e4 | 153 | MACHINE_END |