2 * Atheros AP132 reference board support
4 * Copyright (c) 2012 Qualcomm Atheros
5 * Copyright (c) 2012 Gabor Juhos <juhosg@openwrt.org>
6 * Copyright (c) 2013 Embedded Wireless GmbH <info@embeddedwireless.de>
8 * Permission to use, copy, modify, and/or distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22 #include <linux/platform_device.h>
23 #include <linux/ar8216_platform.h>
25 #include <asm/mach-ath79/ar71xx_regs.h>
28 #include "dev-ap9x-pci.h"
29 #include "dev-gpio-buttons.h"
31 #include "dev-leds-gpio.h"
32 #include "dev-m25p80.h"
35 #include "machtypes.h"
37 #define AP132_GPIO_LED_USB 4
38 #define AP132_GPIO_LED_WLAN_5G 12
39 #define AP132_GPIO_LED_WLAN_2G 13
40 #define AP132_GPIO_LED_STATUS_RED 14
41 #define AP132_GPIO_LED_WPS_RED 15
43 #define AP132_GPIO_BTN_WPS 16
45 #define AP132_KEYS_POLL_INTERVAL 20 /* msecs */
46 #define AP132_KEYS_DEBOUNCE_INTERVAL (3 * AP132_KEYS_POLL_INTERVAL)
48 #define AP132_MAC0_OFFSET 0
49 #define AP132_WMAC_CALDATA_OFFSET 0x1000
51 static struct gpio_led ap132_leds_gpio
[] __initdata
= {
53 .name
= "ap132:red:status",
54 .gpio
= AP132_GPIO_LED_STATUS_RED
,
58 .name
= "ap132:red:wps",
59 .gpio
= AP132_GPIO_LED_WPS_RED
,
63 .name
= "ap132:red:wlan-2g",
64 .gpio
= AP132_GPIO_LED_WLAN_2G
,
68 .name
= "ap132:red:usb",
69 .gpio
= AP132_GPIO_LED_USB
,
74 static struct gpio_keys_button ap132_gpio_keys
[] __initdata
= {
78 .code
= KEY_WPS_BUTTON
,
79 .debounce_interval
= AP132_KEYS_DEBOUNCE_INTERVAL
,
80 .gpio
= AP132_GPIO_BTN_WPS
,
85 static struct ar8327_pad_cfg ap132_ar8327_pad0_cfg
;
87 static struct ar8327_platform_data ap132_ar8327_data
= {
88 .pad0_cfg
= &ap132_ar8327_pad0_cfg
,
91 .speed
= AR8327_PORT_SPEED_1000
,
98 static struct mdio_board_info ap132_mdio1_info
[] = {
100 .bus_id
= "ag71xx-mdio.1",
102 .platform_data
= &ap132_ar8327_data
,
106 static void __init
ap132_mdio_setup(void)
111 #define GPIO_IN_ENABLE3_ADDRESS 0x0050
112 #define GPIO_IN_ENABLE3_MII_GE1_MDI_MASK 0x00ff0000
113 #define GPIO_IN_ENABLE3_MII_GE1_MDI_LSB 16
114 #define GPIO_IN_ENABLE3_MII_GE1_MDI_SET(x) (((x) << GPIO_IN_ENABLE3_MII_GE1_MDI_LSB) & GPIO_IN_ENABLE3_MII_GE1_MDI_MASK)
115 #define GPIO_OUT_FUNCTION4_ADDRESS 0x003c
116 #define GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_MASK 0xff000000
117 #define GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_LSB 24
118 #define GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_SET(x) (((x) << GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_LSB) & GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_MASK)
119 #define GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_MASK 0x0000ff00
120 #define GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_LSB 8
121 #define GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_SET(x) (((x) << GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_LSB) & GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_MASK)
123 base
= ioremap(AR71XX_GPIO_BASE
, AR71XX_GPIO_SIZE
);
125 t
= __raw_readl(base
+ GPIO_IN_ENABLE3_ADDRESS
);
126 t
&= ~GPIO_IN_ENABLE3_MII_GE1_MDI_MASK
;
127 t
|= GPIO_IN_ENABLE3_MII_GE1_MDI_SET(19);
128 __raw_writel(t
, base
+ GPIO_IN_ENABLE3_ADDRESS
);
131 __raw_writel(__raw_readl(base
+ AR71XX_GPIO_REG_OE
) & ~(1 << 19), base
+ AR71XX_GPIO_REG_OE
);
133 __raw_writel(__raw_readl(base
+ AR71XX_GPIO_REG_OE
) & ~(1 << 17), base
+ AR71XX_GPIO_REG_OE
);
136 t
= __raw_readl(base
+ GPIO_OUT_FUNCTION4_ADDRESS
);
137 t
&= ~(GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_MASK
| GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_MASK
);
138 t
|= GPIO_OUT_FUNCTION4_ENABLE_GPIO_19_SET(0x20) | GPIO_OUT_FUNCTION4_ENABLE_GPIO_17_SET(0x21);
139 __raw_writel(t
, base
+ GPIO_OUT_FUNCTION4_ADDRESS
);
145 static void __init
ap132_setup(void)
147 u8
*art
= (u8
*) KSEG1ADDR(0x1fff0000);
149 ath79_register_m25p80(NULL
);
151 ath79_register_leds_gpio(-1, ARRAY_SIZE(ap132_leds_gpio
),
153 ath79_register_gpio_keys_polled(-1, AP132_KEYS_POLL_INTERVAL
,
154 ARRAY_SIZE(ap132_gpio_keys
),
157 ath79_register_usb();
159 ath79_register_wmac(art
+ AP132_WMAC_CALDATA_OFFSET
, NULL
);
161 /* GMAC0 of the AR8327 switch is connected to GMAC1 via SGMII */
162 ap132_ar8327_pad0_cfg
.mode
= AR8327_PAD_MAC_SGMII
;
163 ap132_ar8327_pad0_cfg
.sgmii_delay_en
= true;
165 ath79_eth1_pll_data
.pll_1000
= 0x03000101;
169 ath79_register_mdio(1, 0x0);
171 ath79_init_mac(ath79_eth1_data
.mac_addr
, art
+ AP132_MAC0_OFFSET
, 0);
173 mdiobus_register_board_info(ap132_mdio1_info
,
174 ARRAY_SIZE(ap132_mdio1_info
));
176 /* GMAC1 is connected to the SGMII interface */
177 ath79_eth1_data
.phy_if_mode
= PHY_INTERFACE_MODE_SGMII
;
178 ath79_eth1_data
.speed
= SPEED_1000
;
179 ath79_eth1_data
.duplex
= DUPLEX_FULL
;
180 ath79_eth1_data
.phy_mask
= BIT(0);
181 ath79_eth1_data
.mii_bus_dev
= &ath79_mdio1_device
.dev
;
183 ath79_register_eth(1);
186 MIPS_MACHINE(ATH79_MACH_AP132
, "AP132",
187 "Atheros AP132 reference board",