OpenWrt – Diff between revs 2 and 3

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1 /* 1 /*
2 * Arduino Yun support 2 * Arduino Yun support
3 * 3 *
4 * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org> 4 * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de> 5 * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify it 7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published 8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation. 9 * by the Free Software Foundation.
10 */ 10 */
11   11  
12 #include "dev-eth.h" 12 #include "dev-eth.h"
13 #include "dev-gpio-buttons.h" 13 #include "dev-gpio-buttons.h"
14 #include "dev-leds-gpio.h" 14 #include "dev-leds-gpio.h"
15 #include "dev-m25p80.h" 15 #include "dev-m25p80.h"
16 #include "dev-spi.h" 16 #include "dev-spi.h"
17 #include "dev-usb.h" 17 #include "dev-usb.h"
18 #include "dev-wmac.h" 18 #include "dev-wmac.h"
19 #include "machtypes.h" 19 #include "machtypes.h"
20 #include <asm/mach-ath79/ar71xx_regs.h> 20 #include <asm/mach-ath79/ar71xx_regs.h>
21 #include <asm/mach-ath79/ath79.h> 21 #include <asm/mach-ath79/ath79.h>
22 #include <linux/gpio.h> 22 #include <linux/gpio.h>
23 #include "common.h" 23 #include "common.h"
24   24  
25 // Uncomment to have reset on gpio18 instead of gipo7 25 // Uncomment to have reset on gpio18 instead of gipo7
26 #define DS2_B 26 #define DS2_B
27   27  
28 #define DS_GPIO_LED_WLAN 0 28 #define DS_GPIO_LED_WLAN 0
29 #define DS_GPIO_LED_USB 1 29 #define DS_GPIO_LED_USB 1
30   30  
31 #define DS_GPIO_OE 21 31 #define DS_GPIO_OE 21
32 #define DS_GPIO_AVR_RESET 18 32 #define DS_GPIO_AVR_RESET 18
33   33  
34 // Maintained to have the console in the previous version of DS2 working 34 // Maintained to have the console in the previous version of DS2 working
35 #define DS_GPIO_AVR_RESET_DS2 7 35 #define DS_GPIO_AVR_RESET_DS2 7
36   36  
37 #define DS_GPIO_OE2 22 37 #define DS_GPIO_OE2 22
38 #define DS_GPIO_UART_ENA 23 38 #define DS_GPIO_UART_ENA 23
39 #define DS_GPIO_CONF_BTN 20 39 #define DS_GPIO_CONF_BTN 20
40   40  
41 #define DS_KEYS_POLL_INTERVAL 20 /* msecs */ 41 #define DS_KEYS_POLL_INTERVAL 20 /* msecs */
42 #define DS_KEYS_DEBOUNCE_INTERVAL (3 * DS_KEYS_POLL_INTERVAL) 42 #define DS_KEYS_DEBOUNCE_INTERVAL (3 * DS_KEYS_POLL_INTERVAL)
43   43  
44 #define DS_MAC0_OFFSET 0x0000 44 #define DS_MAC0_OFFSET 0x0000
45 #define DS_MAC1_OFFSET 0x0006 45 #define DS_MAC1_OFFSET 0x0006
46 #define DS_CALDATA_OFFSET 0x1000 46 #define DS_CALDATA_OFFSET 0x1000
47 #define DS_WMAC_MAC_OFFSET 0x1002 47 #define DS_WMAC_MAC_OFFSET 0x1002
48   48  
49   49  
50 static struct gpio_led ds_leds_gpio[] __initdata = { 50 static struct gpio_led ds_leds_gpio[] __initdata = {
51 { 51 {
52 .name = "arduino:white:usb", 52 .name = "arduino:white:usb",
53 .gpio = DS_GPIO_LED_USB, 53 .gpio = DS_GPIO_LED_USB,
54 .active_low = 0, 54 .active_low = 0,
55 }, 55 },
56 { 56 {
57 .name = "arduino:blue:wlan", 57 .name = "arduino:blue:wlan",
58 .gpio = DS_GPIO_LED_WLAN, 58 .gpio = DS_GPIO_LED_WLAN,
59 .active_low = 0, 59 .active_low = 0,
60 }, 60 },
61 }; 61 };
62   62  
63 static struct gpio_keys_button ds_gpio_keys[] __initdata = { 63 static struct gpio_keys_button ds_gpio_keys[] __initdata = {
64 { 64 {
65 .desc = "configuration button", 65 .desc = "configuration button",
66 .type = EV_KEY, 66 .type = EV_KEY,
67 .code = KEY_WPS_BUTTON, 67 .code = KEY_WPS_BUTTON,
68 .debounce_interval = DS_KEYS_DEBOUNCE_INTERVAL, 68 .debounce_interval = DS_KEYS_DEBOUNCE_INTERVAL,
69 .gpio = DS_GPIO_CONF_BTN, 69 .gpio = DS_GPIO_CONF_BTN,
70 .active_low = 1, 70 .active_low = 1,
71 }, 71 },
72 }; 72 };
73   73  
74 static void __init ds_common_setup(void) 74 static void __init ds_common_setup(void)
75 { 75 {
76 static u8 mac[6]; 76 static u8 mac[6];
77   77  
78 u8 *art = (u8 *) KSEG1ADDR(0x1fff0000); 78 u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
79 ath79_register_m25p80(NULL); 79 ath79_register_m25p80(NULL);
80   80  
81 if (ar93xx_wmac_read_mac_address(mac)) { 81 if (ar93xx_wmac_read_mac_address(mac)) {
82 ath79_register_wmac(NULL, NULL); 82 ath79_register_wmac(NULL, NULL);
83 } else { 83 } else {
84 ath79_register_wmac(art + DS_CALDATA_OFFSET, 84 ath79_register_wmac(art + DS_CALDATA_OFFSET,
85 art + DS_WMAC_MAC_OFFSET); 85 art + DS_WMAC_MAC_OFFSET);
86 memcpy(mac, art + DS_WMAC_MAC_OFFSET, sizeof(mac)); 86 memcpy(mac, art + DS_WMAC_MAC_OFFSET, sizeof(mac));
87 } 87 }
88   88  
89 mac[3] |= 0x08; 89 mac[3] |= 0x08;
90 ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0); 90 ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
91   91  
92 mac[3] &= 0xF7; 92 mac[3] &= 0xF7;
93 ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0); 93 ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
94 ath79_register_mdio(0, 0x0); 94 ath79_register_mdio(0, 0x0);
95   95  
96 /* LAN ports */ 96 /* LAN ports */
97 ath79_register_eth(1); 97 ath79_register_eth(1);
98   98  
99 /* WAN port */ 99 /* WAN port */
100 ath79_register_eth(0); 100 ath79_register_eth(0);
101 } 101 }
102   102  
103 static void __init ds_setup(void) 103 static void __init ds_setup(void)
104 { 104 {
105 u32 t; 105 u32 t;
106   106  
107 ds_common_setup(); 107 ds_common_setup();
108   108  
109 ath79_register_leds_gpio(-1, ARRAY_SIZE(ds_leds_gpio), 109 ath79_register_leds_gpio(-1, ARRAY_SIZE(ds_leds_gpio),
110 ds_leds_gpio); 110 ds_leds_gpio);
111 ath79_register_gpio_keys_polled(-1, DS_KEYS_POLL_INTERVAL, 111 ath79_register_gpio_keys_polled(-1, DS_KEYS_POLL_INTERVAL,
112 ARRAY_SIZE(ds_gpio_keys), 112 ARRAY_SIZE(ds_gpio_keys),
113 ds_gpio_keys); 113 ds_gpio_keys);
114 ath79_register_usb(); 114 ath79_register_usb();
115   115  
116 /* use the swtich_led directly form sysfs */ 116 /* use the swtich_led directly form sysfs */
117 ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN | 117 ath79_gpio_function_disable(AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
118 AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN | 118 AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
119 AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN | 119 AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
120 AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN | 120 AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
121 AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN); 121 AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
122   122  
123 //Disable the Function for some pins to have GPIO functionality active 123 //Disable the Function for some pins to have GPIO functionality active
124 // GPIO6-7-8 and GPIO11 124 // GPIO6-7-8 and GPIO11
125 ath79_gpio_function_setup(AR933X_GPIO_FUNC_JTAG_DISABLE | AR933X_GPIO_FUNC_I2S_MCK_EN, 0); 125 ath79_gpio_function_setup(AR933X_GPIO_FUNC_JTAG_DISABLE | AR933X_GPIO_FUNC_I2S_MCK_EN, 0);
126   126  
127 ath79_gpio_function2_setup(AR933X_GPIO_FUNC2_JUMPSTART_DISABLE, 0); 127 ath79_gpio_function2_setup(AR933X_GPIO_FUNC2_JUMPSTART_DISABLE, 0);
128   128  
129 printk("Setting DogStick2 GPIO\n"); 129 printk("Setting DogStick2 GPIO\n");
130   130  
131 t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP); 131 t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
132 t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN; 132 t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN;
133 ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t); 133 ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t);
134   134  
135 // Put the avr reset to high 135 // Put the avr reset to high
136 if (gpio_request_one(DS_GPIO_AVR_RESET_DS2, 136 if (gpio_request_one(DS_GPIO_AVR_RESET_DS2,
137 GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED, "OE-1") != 0) 137 GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED, "OE-1") != 0)
138 printk("Error setting GPIO OE\n"); 138 printk("Error setting GPIO OE\n");
139 gpio_unexport(DS_GPIO_AVR_RESET_DS2); 139 gpio_unexport(DS_GPIO_AVR_RESET_DS2);
140 gpio_free(DS_GPIO_AVR_RESET_DS2); 140 gpio_free(DS_GPIO_AVR_RESET_DS2);
141   141  
142 // enable OE of level shifter 142 // enable OE of level shifter
143 if (gpio_request_one(DS_GPIO_OE, 143 if (gpio_request_one(DS_GPIO_OE,
144 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED, "OE-1") != 0) 144 GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED, "OE-1") != 0)
145 printk("Error setting GPIO OE\n"); 145 printk("Error setting GPIO OE\n");
146   146  
147 if (gpio_request_one(DS_GPIO_UART_ENA, 147 if (gpio_request_one(DS_GPIO_UART_ENA,
148 GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED, "UART-ENA") != 0) 148 GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED, "UART-ENA") != 0)
149 printk("Error setting GPIO Uart Enable\n"); 149 printk("Error setting GPIO Uart Enable\n");
150   150  
151 // enable OE of level shifter 151 // enable OE of level shifter
152 if (gpio_request_one(DS_GPIO_OE2, 152 if (gpio_request_one(DS_GPIO_OE2,
153 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED, "OE-2") != 0) 153 GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED, "OE-2") != 0)
154 printk("Error setting GPIO OE2\n"); 154 printk("Error setting GPIO OE2\n");
155 } 155 }
156   156  
157 MIPS_MACHINE(ATH79_MACH_ARDUINO_YUN, "Yun", "Arduino Yun", ds_setup); 157 MIPS_MACHINE(ATH79_MACH_ARDUINO_YUN, "Yun", "Arduino Yun", ds_setup);
158   158