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