1/*
2 *  Atheros AP96 board support
3 *
4 *  Copyright (C) 2009 Marco Porsch
5 *  Copyright (C) 2009-2012 Gabor Juhos <juhosg@openwrt.org>
6 *  Copyright (C) 2010 Atheros Communications
7 *
8 *  This program is free software; you can redistribute it and/or modify it
9 *  under the terms of the GNU General Public License version 2 as published
10 *  by the Free Software Foundation.
11 */
12
13#include <linux/platform_device.h>
14#include <linux/delay.h>
15
16#include <asm/mach-ath79/ath79.h>
17
18#include "dev-ap9x-pci.h"
19#include "dev-eth.h"
20#include "dev-gpio-buttons.h"
21#include "dev-leds-gpio.h"
22#include "dev-m25p80.h"
23#include "dev-usb.h"
24#include "machtypes.h"
25
26#define AP96_GPIO_LED_12_GREEN		0
27#define AP96_GPIO_LED_3_GREEN		1
28#define AP96_GPIO_LED_2_GREEN		2
29#define AP96_GPIO_LED_WPS_GREEN		4
30#define AP96_GPIO_LED_5_GREEN		5
31#define AP96_GPIO_LED_4_ORANGE		6
32
33/* Reset button - next to the power connector */
34#define AP96_GPIO_BTN_RESET		3
35/* WPS button - next to a led on right */
36#define AP96_GPIO_BTN_WPS		8
37
38#define AP96_KEYS_POLL_INTERVAL		20	/* msecs */
39#define AP96_KEYS_DEBOUNCE_INTERVAL	(3 * AP96_KEYS_POLL_INTERVAL)
40
41#define AP96_WMAC0_MAC_OFFSET		0x120c
42#define AP96_WMAC1_MAC_OFFSET		0x520c
43#define AP96_CALDATA0_OFFSET		0x1000
44#define AP96_CALDATA1_OFFSET		0x5000
45
46/*
47 * AP96 has 12 unlabeled leds in the front; these are numbered from 1 to 12
48 * below (from left to right on the board). Led 1 seems to be on whenever the
49 * board is powered. Led 11 shows LAN link activity actity. Led 3 is orange;
50 * others are green.
51 *
52 * In addition, there is one led next to a button on the right side for WPS.
53 */
54static struct gpio_led ap96_leds_gpio[] __initdata = {
55	{
56		.name		= "ap96:green:led2",
57		.gpio		= AP96_GPIO_LED_2_GREEN,
58		.active_low	= 1,
59	}, {
60		.name		= "ap96:green:led3",
61		.gpio		= AP96_GPIO_LED_3_GREEN,
62		.active_low	= 1,
63	}, {
64		.name		= "ap96:orange:led4",
65		.gpio		= AP96_GPIO_LED_4_ORANGE,
66		.active_low	= 1,
67	}, {
68		.name		= "ap96:green:led5",
69		.gpio		= AP96_GPIO_LED_5_GREEN,
70		.active_low	= 1,
71	}, {
72		.name		= "ap96:green:led12",
73		.gpio		= AP96_GPIO_LED_12_GREEN,
74		.active_low	= 1,
75	}, { /* next to a button on right */
76		.name		= "ap96:green:wps",
77		.gpio		= AP96_GPIO_LED_WPS_GREEN,
78		.active_low	= 1,
79	}
80};
81
82static struct gpio_keys_button ap96_gpio_keys[] __initdata = {
83	{
84		.desc		= "reset",
85		.type		= EV_KEY,
86		.code		= KEY_RESTART,
87		.debounce_interval = AP96_KEYS_DEBOUNCE_INTERVAL,
88		.gpio		= AP96_GPIO_BTN_RESET,
89		.active_low	= 1,
90	}, {
91		.desc		= "wps",
92		.type		= EV_KEY,
93		.code		= KEY_WPS_BUTTON,
94		.debounce_interval = AP96_KEYS_DEBOUNCE_INTERVAL,
95		.gpio		= AP96_GPIO_BTN_WPS,
96		.active_low	= 1,
97	}
98};
99
100#define AP96_WAN_PHYMASK 0x10
101#define AP96_LAN_PHYMASK 0x0f
102
103static void __init ap96_setup(void)
104{
105	u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
106
107	ath79_register_mdio(0, ~(AP96_WAN_PHYMASK | AP96_LAN_PHYMASK));
108
109	ath79_init_mac(ath79_eth0_data.mac_addr, art, 0);
110	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
111	ath79_eth0_data.phy_mask = AP96_LAN_PHYMASK;
112	ath79_eth0_data.speed = SPEED_1000;
113	ath79_eth0_data.duplex = DUPLEX_FULL;
114
115	ath79_register_eth(0);
116
117	ath79_init_mac(ath79_eth1_data.mac_addr, art, 1);
118	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
119	ath79_eth1_data.phy_mask = AP96_WAN_PHYMASK;
120
121	ath79_eth1_pll_data.pll_1000 = 0x1f000000;
122
123	ath79_register_eth(1);
124
125	ath79_register_usb();
126
127	ath79_register_m25p80(NULL);
128
129	ath79_register_leds_gpio(-1, ARRAY_SIZE(ap96_leds_gpio),
130					ap96_leds_gpio);
131
132	ath79_register_gpio_keys_polled(-1, AP96_KEYS_POLL_INTERVAL,
133					 ARRAY_SIZE(ap96_gpio_keys),
134					 ap96_gpio_keys);
135
136	ap94_pci_init(art + AP96_CALDATA0_OFFSET,
137		      art + AP96_WMAC0_MAC_OFFSET,
138		      art + AP96_CALDATA1_OFFSET,
139		      art + AP96_WMAC1_MAC_OFFSET);
140}
141
142MIPS_MACHINE(ATH79_MACH_AP96, "AP96", "Atheros AP96", ap96_setup);
143