OpenWrt – Blame information for rev 4

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4 office 1 /*
2 * ALFA NETWORK Tube2H board support
3 *
4 * Copyright (C) 2014 Gabor Juhos <juhosg@openwrt.org>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
9 */
10  
11 #include <linux/gpio.h>
12  
13 #include <asm/mach-ath79/ath79.h>
14 #include <asm/mach-ath79/ar71xx_regs.h>
15  
16 #include "common.h"
17 #include "dev-eth.h"
18 #include "dev-gpio-buttons.h"
19 #include "dev-leds-gpio.h"
20 #include "dev-m25p80.h"
21 #include "dev-wmac.h"
22 #include "machtypes.h"
23  
24 #define TUBE2H_GPIO_LED_SIGNAL4 0
25 #define TUBE2H_GPIO_LED_SIGNAL3 1
26 #define TUBE2H_GPIO_LED_SIGNAL2 13
27 #define TUBE2H_GPIO_LED_LAN 17
28 #define TUBE2H_GPIO_LED_SIGNAL1 27
29 #define TUBE2H_GPIO_EXT_LNA 28
30  
31 #define TUBE2H_GPIO_WDT_EN 22
32 #define TUBE2H_GPIO_WDT_IN 18
33  
34 #define TUBE2H_GPIO_BTN_RESET 12
35  
36 #define TUBE2H_KEYS_POLL_INTERVAL 20 /* msecs */
37 #define TUBE2H_KEYS_DEBOUNCE_INTERVAL (3 * TUBE2H_KEYS_POLL_INTERVAL)
38  
39 #define TUBE2H_ART_ADDRESS 0x1fff0000
40 #define TUBE2H_LAN_MAC_OFFSET 0x06
41 #define TUBE2H_CALDATA_OFFSET 0x1000
42  
43 static struct gpio_led tube2h_leds_gpio[] __initdata = {
44 {
45 .name = "alfa:blue:lan",
46 .gpio = TUBE2H_GPIO_LED_LAN,
47 .active_low = 1,
48 },
49 {
50 .name = "alfa:red:signal1",
51 .gpio = TUBE2H_GPIO_LED_SIGNAL1,
52 .active_low = 1,
53 },
54 {
55 .name = "alfa:orange:signal2",
56 .gpio = TUBE2H_GPIO_LED_SIGNAL2,
57 .active_low = 0,
58 },
59 {
60 .name = "alfa:green:signal3",
61 .gpio = TUBE2H_GPIO_LED_SIGNAL3,
62 .active_low = 0,
63 },
64 {
65 .name = "alfa:green:signal4",
66 .gpio = TUBE2H_GPIO_LED_SIGNAL4,
67 .active_low = 0,
68 },
69 };
70  
71 static struct gpio_keys_button tube2h_gpio_keys[] __initdata = {
72 {
73 .desc = "Reset button",
74 .type = EV_KEY,
75 .code = KEY_RESTART,
76 .debounce_interval = TUBE2H_KEYS_DEBOUNCE_INTERVAL,
77 .gpio = TUBE2H_GPIO_BTN_RESET,
78 .active_low = 1,
79 },
80 };
81  
82 static void __init tube2h_setup(void)
83 {
84 u8 *art = (u8 *) KSEG1ADDR(TUBE2H_ART_ADDRESS);
85 u32 t;
86  
87 ath79_gpio_function_disable(AR933X_GPIO_FUNC_JTAG_DISABLE |
88 AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
89 AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
90 AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
91 AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
92 AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
93  
94 /* Ensure that GPIO26 and GPIO27 are controllable by software */
95 t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
96 t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN;
97 ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t);
98  
99 gpio_request_one(TUBE2H_GPIO_EXT_LNA,
100 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
101 "external LNA0");
102  
103 gpio_request_one(TUBE2H_GPIO_WDT_IN,
104 GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
105 "WDT input");
106  
107 gpio_request_one(TUBE2H_GPIO_WDT_EN,
108 GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
109 "WDT enable");
110  
111 ath79_register_wmac(art + TUBE2H_CALDATA_OFFSET, NULL);
112  
113 ath79_register_m25p80(NULL);
114  
115 ath79_register_leds_gpio(-1, ARRAY_SIZE(tube2h_leds_gpio),
116 tube2h_leds_gpio);
117 ath79_register_gpio_keys_polled(-1, TUBE2H_KEYS_POLL_INTERVAL,
118 ARRAY_SIZE(tube2h_gpio_keys),
119 tube2h_gpio_keys);
120  
121 ath79_init_mac(ath79_eth0_data.mac_addr,
122 art + TUBE2H_LAN_MAC_OFFSET, 0);
123 ath79_register_mdio(0, 0x0);
124 ath79_register_eth(0);
125 }
126  
127 MIPS_MACHINE(ATH79_MACH_TUBE2H, "TUBE2H", "ALFA NETWORK Tube2H",
128 tube2h_setup);
129