2 * WD My Net N750 board support
4 * Copyright (C) 2013 Felix Kaechele <felix@fetzig.org>
5 * Copyright (C) 2013 Gabor Juhos <juhosg@openwrt.org>
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
9 * by the Free Software Foundation.
12 #include <linux/pci.h>
13 #include <linux/phy.h>
14 #include <linux/gpio.h>
15 #include <linux/platform_device.h>
16 #include <linux/ath9k_platform.h>
17 #include <linux/ar8216_platform.h>
19 #include <asm/mach-ath79/ar71xx_regs.h>
22 #include "dev-ap9x-pci.h"
24 #include "dev-gpio-buttons.h"
25 #include "dev-leds-gpio.h"
26 #include "dev-m25p80.h"
30 #include "machtypes.h"
35 * Taken from GPL bootloader source:
36 * board/ar7240/db12x/alpha_gpio.c
38 #define MYNET_N750_GPIO_LED_WIFI 11
39 #define MYNET_N750_GPIO_LED_INTERNET 12
40 #define MYNET_N750_GPIO_LED_WPS 13
41 #define MYNET_N750_GPIO_LED_POWER 14
43 #define MYNET_N750_GPIO_BTN_RESET 17
44 #define MYNET_N750_GPIO_BTN_WPS 19
46 #define MYNET_N750_GPIO_EXTERNAL_LNA0 15
47 #define MYNET_N750_GPIO_EXTERNAL_LNA1 18
49 #define MYNET_N750_KEYS_POLL_INTERVAL 20 /* msecs */
50 #define MYNET_N750_KEYS_DEBOUNCE_INTERVAL (3 * MYNET_N750_KEYS_POLL_INTERVAL)
52 #define MYNET_N750_WMAC_CALDATA_OFFSET 0x1000
53 #define MYNET_N750_PCIE_CALDATA_OFFSET 0x5000
55 #define MYNET_N750_NVRAM_ADDR 0x1f058010
56 #define MYNET_N750_NVRAM_SIZE 0x7ff0
58 static struct gpio_led mynet_n750_leds_gpio
[] __initdata
= {
60 .name
= "wd:blue:power",
61 .gpio
= MYNET_N750_GPIO_LED_POWER
,
65 .name
= "wd:blue:wps",
66 .gpio
= MYNET_N750_GPIO_LED_WPS
,
70 .name
= "wd:blue:wireless",
71 .gpio
= MYNET_N750_GPIO_LED_WIFI
,
75 .name
= "wd:blue:internet",
76 .gpio
= MYNET_N750_GPIO_LED_INTERNET
,
81 static struct gpio_keys_button mynet_n750_gpio_keys
[] __initdata
= {
83 .desc
= "Reset button",
86 .debounce_interval
= MYNET_N750_KEYS_DEBOUNCE_INTERVAL
,
87 .gpio
= MYNET_N750_GPIO_BTN_RESET
,
93 .code
= KEY_WPS_BUTTON
,
94 .debounce_interval
= MYNET_N750_KEYS_DEBOUNCE_INTERVAL
,
95 .gpio
= MYNET_N750_GPIO_BTN_WPS
,
100 static struct ar8327_pad_cfg mynet_n750_ar8327_pad0_cfg
= {
101 .mode
= AR8327_PAD_MAC_RGMII
,
102 .txclk_delay_en
= true,
103 .rxclk_delay_en
= true,
104 .txclk_delay_sel
= AR8327_CLK_DELAY_SEL1
,
105 .rxclk_delay_sel
= AR8327_CLK_DELAY_SEL2
,
108 static struct ar8327_led_cfg mynet_n750_ar8327_led_cfg
= {
109 .led_ctrl0
= 0xc737c737,
110 .led_ctrl1
= 0x00000000,
111 .led_ctrl2
= 0x00000000,
112 .led_ctrl3
= 0x0030c300,
116 static struct ar8327_platform_data mynet_n750_ar8327_data
= {
117 .pad0_cfg
= &mynet_n750_ar8327_pad0_cfg
,
120 .speed
= AR8327_PORT_SPEED_1000
,
125 .led_cfg
= &mynet_n750_ar8327_led_cfg
,
128 static struct mdio_board_info mynet_n750_mdio0_info
[] = {
130 .bus_id
= "ag71xx-mdio.0",
132 .platform_data
= &mynet_n750_ar8327_data
,
136 static void mynet_n750_get_mac(const char *name
, char *mac
)
138 u8
*nvram
= (u8
*) KSEG1ADDR(MYNET_N750_NVRAM_ADDR
);
141 err
= ath79_nvram_parse_mac_addr(nvram
, MYNET_N750_NVRAM_SIZE
,
144 pr_err("no MAC address found for %s\n", name
);
147 static void __init
mynet_n750_setup(void)
149 u8
*art
= (u8
*) KSEG1ADDR(0x1fff0000);
152 ath79_register_m25p80(NULL
);
153 ath79_register_leds_gpio(-1, ARRAY_SIZE(mynet_n750_leds_gpio
),
154 mynet_n750_leds_gpio
);
155 ath79_register_gpio_keys_polled(-1, MYNET_N750_KEYS_POLL_INTERVAL
,
156 ARRAY_SIZE(mynet_n750_gpio_keys
),
157 mynet_n750_gpio_keys
);
159 * Control signal for external LNAs 0 and 1
160 * Taken from GPL bootloader source:
161 * board/ar7240/db12x/alpha_gpio.c
163 gpio_request_one(MYNET_N750_GPIO_EXTERNAL_LNA0
,
164 GPIOF_OUT_INIT_LOW
| GPIOF_EXPORT_DIR_FIXED
,
166 gpio_request_one(MYNET_N750_GPIO_EXTERNAL_LNA1
,
167 GPIOF_OUT_INIT_LOW
| GPIOF_EXPORT_DIR_FIXED
,
170 mynet_n750_get_mac("wlan24mac=", tmpmac
);
171 ath79_register_wmac(art
+ MYNET_N750_WMAC_CALDATA_OFFSET
, tmpmac
);
173 mynet_n750_get_mac("wlan5mac=", tmpmac
);
174 ap91_pci_init(art
+ MYNET_N750_PCIE_CALDATA_OFFSET
, tmpmac
);
176 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0
);
178 mdiobus_register_board_info(mynet_n750_mdio0_info
,
179 ARRAY_SIZE(mynet_n750_mdio0_info
));
181 ath79_register_mdio(0, 0x0);
183 mynet_n750_get_mac("lanmac=", ath79_eth0_data
.mac_addr
);
185 /* GMAC0 is connected to an AR8327N switch */
186 ath79_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_RGMII
;
187 ath79_eth0_data
.phy_mask
= BIT(0);
188 ath79_eth0_data
.mii_bus_dev
= &ath79_mdio0_device
.dev
;
189 ath79_eth0_pll_data
.pll_1000
= 0x06000000;
190 ath79_register_eth(0);
192 ath79_register_usb();
195 MIPS_MACHINE(ATH79_MACH_MYNET_N750
, "MYNET-N750", "WD My Net N750",