1 /*
2 * Ubiquiti Networks XM (rev 1.0) board support
3 *
4 * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com>
5 *
6 * Derived from: mach-pb44.c
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
11 */
12
13 #include <linux/init.h>
14 #include <linux/pci.h>
15 #include <linux/ath9k_platform.h>
16
17 #include <asm/mach-ath79/irq.h>
18
19 #include "machtypes.h"
20 #include "dev-gpio-buttons.h"
21 #include "dev-leds-gpio.h"
22 #include "dev-spi.h"
23 #include "pci.h"
24
25 #define UBNT_XM_GPIO_LED_L1 0
26 #define UBNT_XM_GPIO_LED_L2 1
27 #define UBNT_XM_GPIO_LED_L3 11
28 #define UBNT_XM_GPIO_LED_L4 7
29
30 #define UBNT_XM_GPIO_BTN_RESET 12
31
32 #define UBNT_XM_KEYS_POLL_INTERVAL 20
33 #define UBNT_XM_KEYS_DEBOUNCE_INTERVAL (3 * UBNT_XM_KEYS_POLL_INTERVAL)
34
35 #define UBNT_XM_EEPROM_ADDR (u8 *) KSEG1ADDR(0x1fff1000)
36
37 static struct gpio_led ubnt_xm_leds_gpio[] __initdata = {
38 {
39 .name = "ubnt-xm:red:link1",
40 .gpio = UBNT_XM_GPIO_LED_L1,
41 .active_low = 0,
42 }, {
43 .name = "ubnt-xm:orange:link2",
44 .gpio = UBNT_XM_GPIO_LED_L2,
45 .active_low = 0,
46 }, {
47 .name = "ubnt-xm:green:link3",
48 .gpio = UBNT_XM_GPIO_LED_L3,
49 .active_low = 0,
50 }, {
51 .name = "ubnt-xm:green:link4",
52 .gpio = UBNT_XM_GPIO_LED_L4,
53 .active_low = 0,
54 },
55 };
56
57 static struct gpio_keys_button ubnt_xm_gpio_keys[] __initdata = {
58 {
59 .desc = "reset",
60 .type = EV_KEY,
61 .code = KEY_RESTART,
62 .debounce_interval = UBNT_XM_KEYS_DEBOUNCE_INTERVAL,
63 .gpio = UBNT_XM_GPIO_BTN_RESET,
64 .active_low = 1,
65 }
66 };
67
68 static struct spi_board_info ubnt_xm_spi_info[] = {
69 {
70 .bus_num = 0,
71 .chip_select = 0,
72 .max_speed_hz = 25000000,
73 .modalias = "mx25l6405d",
74 }
75 };
76
77 static struct ath79_spi_platform_data ubnt_xm_spi_data = {
78 .bus_num = 0,
79 .num_chipselect = 1,
80 };
81
82 #ifdef CONFIG_PCI
83 static struct ath9k_platform_data ubnt_xm_eeprom_data;
84
ubnt_xm_pci_plat_dev_init(struct pci_dev * dev)85 static int ubnt_xm_pci_plat_dev_init(struct pci_dev *dev)
86 {
87 switch (PCI_SLOT(dev->devfn)) {
88 case 0:
89 dev->dev.platform_data = &ubnt_xm_eeprom_data;
90 break;
91 }
92
93 return 0;
94 }
95
ubnt_xm_pci_init(void)96 static void __init ubnt_xm_pci_init(void)
97 {
98 memcpy(ubnt_xm_eeprom_data.eeprom_data, UBNT_XM_EEPROM_ADDR,
99 sizeof(ubnt_xm_eeprom_data.eeprom_data));
100
101 ath79_pci_set_plat_dev_init(ubnt_xm_pci_plat_dev_init);
102 ath79_register_pci();
103 }
104 #else
ubnt_xm_pci_init(void)105 static inline void ubnt_xm_pci_init(void) {}
106 #endif /* CONFIG_PCI */
107
ubnt_xm_init(void)108 static void __init ubnt_xm_init(void)
109 {
110 ath79_register_leds_gpio(-1, ARRAY_SIZE(ubnt_xm_leds_gpio),
111 ubnt_xm_leds_gpio);
112
113 ath79_register_gpio_keys_polled(-1, UBNT_XM_KEYS_POLL_INTERVAL,
114 ARRAY_SIZE(ubnt_xm_gpio_keys),
115 ubnt_xm_gpio_keys);
116
117 ath79_register_spi(&ubnt_xm_spi_data, ubnt_xm_spi_info,
118 ARRAY_SIZE(ubnt_xm_spi_info));
119
120 ubnt_xm_pci_init();
121 }
122
123 MIPS_MACHINE(ATH79_MACH_UBNT_XM,
124 "UBNT-XM",
125 "Ubiquiti Networks XM (rev 1.0) board",
126 ubnt_xm_init);
127