1/*
2 *  Buffalo WZR-HP-G300NH board support
3 *
4 *  Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
5 *
6 *  This program is free software; you can redistribute it and/or modify it
7 *  under the terms of the GNU General Public License version 2 as published
8 *  by the Free Software Foundation.
9 */
10
11#include <linux/platform_device.h>
12#include <linux/mtd/mtd.h>
13#include <linux/mtd/partitions.h>
14#include <linux/mtd/physmap.h>
15#include <linux/nxp_74hc153.h>
16#include <linux/rtl8366.h>
17
18#include <asm/mach-ath79/ath79.h>
19
20#include "dev-eth.h"
21#include "dev-gpio-buttons.h"
22#include "dev-leds-gpio.h"
23#include "dev-usb.h"
24#include "dev-wmac.h"
25#include "machtypes.h"
26
27#define WZRHPG300NH_GPIO_LED_USB	0
28#define WZRHPG300NH_GPIO_LED_DIAG	1
29#define WZRHPG300NH_GPIO_LED_WIRELESS	6
30#define WZRHPG300NH_GPIO_LED_SECURITY	17
31#define WZRHPG300NH_GPIO_LED_ROUTER	18
32
33#define WZRHPG300NH_GPIO_RTL8366_SDA	19
34#define WZRHPG300NH_GPIO_RTL8366_SCK	20
35
36#define WZRHPG300NH_GPIO_74HC153_S0	9
37#define WZRHPG300NH_GPIO_74HC153_S1	11
38#define WZRHPG300NH_GPIO_74HC153_1Y	12
39#define WZRHPG300NH_GPIO_74HC153_2Y	14
40
41#define WZRHPG300NH_GPIO_EXP_BASE	32
42#define WZRHPG300NH_GPIO_BTN_AOSS	(WZRHPG300NH_GPIO_EXP_BASE + 0)
43#define WZRHPG300NH_GPIO_BTN_RESET	(WZRHPG300NH_GPIO_EXP_BASE + 1)
44#define WZRHPG300NH_GPIO_BTN_ROUTER_ON	(WZRHPG300NH_GPIO_EXP_BASE + 2)
45#define WZRHPG300NH_GPIO_BTN_QOS_ON	(WZRHPG300NH_GPIO_EXP_BASE + 3)
46#define WZRHPG300NH_GPIO_BTN_USB	(WZRHPG300NH_GPIO_EXP_BASE + 5)
47#define WZRHPG300NH_GPIO_BTN_ROUTER_AUTO (WZRHPG300NH_GPIO_EXP_BASE + 6)
48#define WZRHPG300NH_GPIO_BTN_QOS_OFF	(WZRHPG300NH_GPIO_EXP_BASE + 7)
49
50#define WZRHPG300NH_KEYS_POLL_INTERVAL	20	/* msecs */
51#define WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL (3 * WZRHPG300NH_KEYS_POLL_INTERVAL)
52
53#define WZRHPG300NH_MAC_OFFSET		0x20c
54
55static struct mtd_partition wzrhpg300nh_flash_partitions[] = {
56	{
57		.name		= "u-boot",
58		.offset		= 0,
59		.size		= 0x0040000,
60		.mask_flags	= MTD_WRITEABLE,
61	}, {
62		.name		= "u-boot-env",
63		.offset		= 0x0040000,
64		.size		= 0x0020000,
65		.mask_flags	= MTD_WRITEABLE,
66	}, {
67		.name		= "kernel",
68		.offset		= 0x0060000,
69		.size		= 0x0100000,
70	}, {
71		.name		= "rootfs",
72		.offset		= 0x0160000,
73		.size		= 0x1e60000,
74	}, {
75		.name		= "user_property",
76		.offset		= 0x1fc0000,
77		.size		= 0x0020000,
78		.mask_flags	= MTD_WRITEABLE,
79	}, {
80		.name		= "art",
81		.offset		= 0x1fe0000,
82		.size		= 0x0020000,
83		.mask_flags	= MTD_WRITEABLE,
84	}, {
85		.name		= "firmware",
86		.offset		= 0x0060000,
87		.size		= 0x1f60000,
88	}
89};
90
91static struct physmap_flash_data wzrhpg300nh_flash_data = {
92	.width		= 2,
93	.parts		= wzrhpg300nh_flash_partitions,
94	.nr_parts	= ARRAY_SIZE(wzrhpg300nh_flash_partitions),
95};
96
97#define WZRHPG300NH_FLASH_BASE	0x1e000000
98#define WZRHPG300NH_FLASH_SIZE	(32 * 1024 * 1024)
99
100static struct resource wzrhpg300nh_flash_resources[] = {
101	[0] = {
102		.start	= WZRHPG300NH_FLASH_BASE,
103		.end	= WZRHPG300NH_FLASH_BASE + WZRHPG300NH_FLASH_SIZE - 1,
104		.flags	= IORESOURCE_MEM,
105	},
106};
107
108static struct platform_device wzrhpg300nh_flash_device = {
109	.name		= "physmap-flash",
110	.id		= -1,
111	.resource	= wzrhpg300nh_flash_resources,
112	.num_resources	= ARRAY_SIZE(wzrhpg300nh_flash_resources),
113	.dev		= {
114		.platform_data = &wzrhpg300nh_flash_data,
115	}
116};
117
118static struct gpio_led wzrhpg300nh_leds_gpio[] __initdata = {
119	{
120		.name		= "buffalo:orange:security",
121		.gpio		= WZRHPG300NH_GPIO_LED_SECURITY,
122		.active_low	= 1,
123	}, {
124		.name		= "buffalo:green:wireless",
125		.gpio		= WZRHPG300NH_GPIO_LED_WIRELESS,
126		.active_low	= 1,
127	}, {
128		.name		= "buffalo:green:router",
129		.gpio		= WZRHPG300NH_GPIO_LED_ROUTER,
130		.active_low	= 1,
131	}, {
132		.name		= "buffalo:red:diag",
133		.gpio		= WZRHPG300NH_GPIO_LED_DIAG,
134		.active_low	= 1,
135	}, {
136		.name		= "buffalo:blue:usb",
137		.gpio		= WZRHPG300NH_GPIO_LED_USB,
138		.active_low	= 1,
139	}
140};
141
142static struct gpio_keys_button wzrhpg300nh_gpio_keys[] __initdata = {
143	{
144		.desc		= "reset",
145		.type		= EV_KEY,
146		.code		= KEY_RESTART,
147		.debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
148		.gpio		= WZRHPG300NH_GPIO_BTN_RESET,
149		.active_low	= 1,
150	}, {
151		.desc		= "aoss",
152		.type		= EV_KEY,
153		.code		= KEY_WPS_BUTTON,
154		.debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
155		.gpio		= WZRHPG300NH_GPIO_BTN_AOSS,
156		.active_low	= 1,
157	}, {
158		.desc		= "usb",
159		.type		= EV_KEY,
160		.code		= BTN_2,
161		.debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
162		.gpio		= WZRHPG300NH_GPIO_BTN_USB,
163		.active_low	= 1,
164	}, {
165		.desc		= "qos_on",
166		.type		= EV_KEY,
167		.code		= BTN_3,
168		.debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
169		.gpio		= WZRHPG300NH_GPIO_BTN_QOS_ON,
170		.active_low	= 0,
171	}, {
172		.desc		= "qos_off",
173		.type		= EV_KEY,
174		.code		= BTN_4,
175		.debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
176		.gpio		= WZRHPG300NH_GPIO_BTN_QOS_OFF,
177		.active_low	= 0,
178	}, {
179		.desc		= "router_on",
180		.type		= EV_KEY,
181		.code		= BTN_5,
182		.debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
183		.gpio		= WZRHPG300NH_GPIO_BTN_ROUTER_ON,
184		.active_low	= 0,
185	}, {
186		.desc		= "router_auto",
187		.type		= EV_KEY,
188		.code		= BTN_6,
189		.debounce_interval = WZRHPG300NH_KEYS_DEBOUNCE_INTERVAL,
190		.gpio		= WZRHPG300NH_GPIO_BTN_ROUTER_AUTO,
191		.active_low	= 0,
192	}
193};
194
195static struct nxp_74hc153_platform_data wzrhpg300nh_74hc153_data = {
196	.gpio_base	= WZRHPG300NH_GPIO_EXP_BASE,
197	.gpio_pin_s0	= WZRHPG300NH_GPIO_74HC153_S0,
198	.gpio_pin_s1	= WZRHPG300NH_GPIO_74HC153_S1,
199	.gpio_pin_1y	= WZRHPG300NH_GPIO_74HC153_1Y,
200	.gpio_pin_2y	= WZRHPG300NH_GPIO_74HC153_2Y,
201};
202
203static struct platform_device wzrhpg300nh_74hc153_device = {
204	.name		= NXP_74HC153_DRIVER_NAME,
205	.id		= -1,
206	.dev = {
207		.platform_data	= &wzrhpg300nh_74hc153_data,
208	}
209};
210
211static struct rtl8366_platform_data wzrhpg300nh_rtl8366_data = {
212	.gpio_sda	= WZRHPG300NH_GPIO_RTL8366_SDA,
213	.gpio_sck	= WZRHPG300NH_GPIO_RTL8366_SCK,
214};
215
216static struct platform_device wzrhpg300nh_rtl8366s_device = {
217	.name		= RTL8366S_DRIVER_NAME,
218	.id		= -1,
219	.dev = {
220		.platform_data	= &wzrhpg300nh_rtl8366_data,
221	}
222};
223
224static struct platform_device wzrhpg300nh_rtl8366rb_device = {
225	.name           = RTL8366RB_DRIVER_NAME,
226	.id             = -1,
227	.dev = {
228		.platform_data  = &wzrhpg300nh_rtl8366_data,
229	}
230};
231
232static void __init wzrhpg300nh_setup(void)
233{
234	u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
235	u8 *mac = eeprom + WZRHPG300NH_MAC_OFFSET;
236	bool hasrtl8366rb = false;
237
238	ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
239	ath79_init_mac(ath79_eth1_data.mac_addr, mac, 1);
240
241	if (rtl8366_smi_detect(&wzrhpg300nh_rtl8366_data) == RTL8366_TYPE_RB)
242		hasrtl8366rb = true;
243
244	if (hasrtl8366rb) {
245		ath79_eth0_pll_data.pll_1000 = 0x1f000000;
246		ath79_eth0_data.mii_bus_dev = &wzrhpg300nh_rtl8366rb_device.dev;
247		ath79_eth1_pll_data.pll_1000 = 0x100;
248		ath79_eth1_data.mii_bus_dev = &wzrhpg300nh_rtl8366rb_device.dev;
249	} else {
250		ath79_eth0_pll_data.pll_1000 = 0x1e000100;
251		ath79_eth0_data.mii_bus_dev = &wzrhpg300nh_rtl8366s_device.dev;
252		ath79_eth1_pll_data.pll_1000 = 0x1e000100;
253		ath79_eth1_data.mii_bus_dev = &wzrhpg300nh_rtl8366s_device.dev;
254	}
255
256	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
257	ath79_eth0_data.speed = SPEED_1000;
258	ath79_eth0_data.duplex = DUPLEX_FULL;
259
260	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
261	ath79_eth1_data.phy_mask = 0x10;
262
263	ath79_register_eth(0);
264	ath79_register_eth(1);
265
266	ath79_register_usb();
267	ath79_register_wmac(eeprom, NULL);
268
269	platform_device_register(&wzrhpg300nh_74hc153_device);
270	platform_device_register(&wzrhpg300nh_flash_device);
271
272	if (hasrtl8366rb)
273		platform_device_register(&wzrhpg300nh_rtl8366rb_device);
274	else
275		platform_device_register(&wzrhpg300nh_rtl8366s_device);
276
277	ath79_register_leds_gpio(-1, ARRAY_SIZE(wzrhpg300nh_leds_gpio),
278					wzrhpg300nh_leds_gpio);
279
280	ath79_register_gpio_keys_polled(-1, WZRHPG300NH_KEYS_POLL_INTERVAL,
281					 ARRAY_SIZE(wzrhpg300nh_gpio_keys),
282					 wzrhpg300nh_gpio_keys);
283
284}
285
286MIPS_MACHINE(ATH79_MACH_WZR_HP_G300NH, "WZR-HP-G300NH",
287	     "Buffalo WZR-HP-G300NH", wzrhpg300nh_setup);
288