1/*
2 *  Qihoo 360 C301 board support
3 *
4 *  Copyright (C) 2013 Gabor Juhos <juhosg@openwrt.org>
5 *  Copyright (C) 2014 Weijie Gao <hackpascal@gmail.com>
6 *
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.
10 */
11
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
18#include <asm/mach-ath79/ar71xx_regs.h>
19
20#include "common.h"
21#include "pci.h"
22#include "dev-eth.h"
23#include "dev-gpio-buttons.h"
24#include "dev-leds-gpio.h"
25#include "dev-m25p80.h"
26#include "dev-spi.h"
27#include "dev-usb.h"
28#include "dev-wmac.h"
29#include "machtypes.h"
30#include "nvram.h"
31
32#define QIHOO_C301_GPIO_LED_STATUS_GREEN	0
33#define QIHOO_C301_GPIO_LED_STATUS_RED		11
34
35#define QIHOO_C301_GPIO_LED_WAN			1
36#define QIHOO_C301_GPIO_LED_LAN1		2
37#define QIHOO_C301_GPIO_LED_LAN2		3
38#define QIHOO_C301_GPIO_ETH_LEN_EN		18
39
40#define QIHOO_C301_GPIO_BTN_RESET		16
41
42#define QIHOO_C301_GPIO_USB_POWER		19
43
44#define QIHOO_C301_GPIO_SPI_CS1			12
45
46#define QIHOO_C301_GPIO_EXTERNAL_LNA0		14
47#define QIHOO_C301_GPIO_EXTERNAL_LNA1		15
48
49#define QIHOO_C301_KEYS_POLL_INTERVAL		20	/* msecs */
50#define QIHOO_C301_KEYS_DEBOUNCE_INTERVAL	\
51	(3 * QIHOO_C301_KEYS_POLL_INTERVAL)
52
53#define QIHOO_C301_WMAC_CALDATA_OFFSET		0x1000
54
55#define QIHOO_C301_NVRAM_ADDR			0x1f058010
56#define QIHOO_C301_NVRAM_SIZE			0x7ff0
57
58static struct gpio_led qihoo_c301_leds_gpio[] __initdata = {
59	{
60		.name		= "qihoo:green:status",
61		.gpio		= QIHOO_C301_GPIO_LED_STATUS_GREEN,
62		.active_low	= 1,
63	},
64	{
65		.name		= "qihoo:red:status",
66		.gpio		= QIHOO_C301_GPIO_LED_STATUS_RED,
67		.active_low	= 1,
68	},
69};
70
71static struct gpio_keys_button qihoo_c301_gpio_keys[] __initdata = {
72	{
73		.desc		= "reset",
74		.type		= EV_KEY,
75		.code		= KEY_RESTART,
76		.debounce_interval = QIHOO_C301_KEYS_DEBOUNCE_INTERVAL,
77		.gpio		= QIHOO_C301_GPIO_BTN_RESET,
78		.active_low	= 1,
79	},
80};
81
82static struct flash_platform_data flash __initdata = {NULL, NULL, 0};
83
84static void qihoo_c301_get_mac(const char *name, char *mac)
85{
86	u8 *nvram = (u8 *) KSEG1ADDR(QIHOO_C301_NVRAM_ADDR);
87	int err;
88
89	err = ath79_nvram_parse_mac_addr(nvram, QIHOO_C301_NVRAM_SIZE,
90					 name, mac);
91	if (err)
92		pr_err("no MAC address found for %s\n", name);
93}
94
95static void __init qihoo_c301_setup(void)
96{
97	u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
98	u8 tmpmac[ETH_ALEN];
99
100	ath79_register_m25p80_multi(&flash);
101
102	ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);
103
104	ath79_gpio_output_select(QIHOO_C301_GPIO_LED_WAN,
105				 AR934X_GPIO_OUT_LED_LINK4);
106	ath79_gpio_output_select(QIHOO_C301_GPIO_LED_LAN1,
107				 AR934X_GPIO_OUT_LED_LINK1);
108	ath79_gpio_output_select(QIHOO_C301_GPIO_LED_LAN2,
109				 AR934X_GPIO_OUT_LED_LINK2);
110
111	ath79_gpio_output_select(QIHOO_C301_GPIO_SPI_CS1,
112				 AR934X_GPIO_OUT_SPI_CS1);
113
114	gpio_request_one(QIHOO_C301_GPIO_ETH_LEN_EN,
115			 GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
116			 "Ethernet LED enable");
117
118	ath79_register_leds_gpio(-1, ARRAY_SIZE(qihoo_c301_leds_gpio),
119				 qihoo_c301_leds_gpio);
120
121	ath79_register_gpio_keys_polled(-1, QIHOO_C301_KEYS_POLL_INTERVAL,
122					ARRAY_SIZE(qihoo_c301_gpio_keys),
123					qihoo_c301_gpio_keys);
124
125	ath79_wmac_set_ext_lna_gpio(0, QIHOO_C301_GPIO_EXTERNAL_LNA0);
126	ath79_wmac_set_ext_lna_gpio(1, QIHOO_C301_GPIO_EXTERNAL_LNA1);
127
128	qihoo_c301_get_mac("wlan24mac=", tmpmac);
129	ath79_register_wmac(art + QIHOO_C301_WMAC_CALDATA_OFFSET, tmpmac);
130
131	ath79_register_pci();
132
133	ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE |
134				   AR934X_ETH_CFG_SW_PHY_SWAP);
135
136	ath79_register_mdio(1, 0x0);
137
138	/* LAN */
139	qihoo_c301_get_mac("lanmac=", ath79_eth1_data.mac_addr);
140
141	/* GMAC1 is connected to the internal switch */
142	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
143
144	ath79_register_eth(1);
145
146	/* WAN */
147	qihoo_c301_get_mac("wanmac=", ath79_eth0_data.mac_addr);
148
149	/* GMAC0 is connected to the PHY4 of the internal switch */
150	ath79_switch_data.phy4_mii_en = 1;
151	ath79_switch_data.phy_poll_mask = BIT(0);
152
153	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
154	ath79_eth0_data.phy_mask = BIT(0);
155	ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
156
157	ath79_register_eth(0);
158
159	gpio_request_one(QIHOO_C301_GPIO_USB_POWER,
160			 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
161			 "USB power");
162	ath79_register_usb();
163}
164
165MIPS_MACHINE(ATH79_MACH_QIHOO_C301, "QIHOO-C301", "Qihoo 360 C301",
166	     qihoo_c301_setup);
167