1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
/*
* AVM FRITZ!Box 4020 board support
*
* Copyright (C) 2018 David Bauer <mail@david-bauer.net>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/ath9k_platform.h>
#include <linux/etherdevice.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/platform_data/mdio-gpio.h>
#include <linux/spi/spi_gpio.h>
#include <linux/spi/74x164.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-spi.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"
#define FRITZ4020_GPIO_SHIFT_SER 19 /* DS, Data Serial Input */
#define FRITZ4020_GPIO_SHIFT_SRCLK 20 /* SHCP, Shift Reg Clock Input */
#define FRITZ4020_SSR_BIT_0 0
#define FRITZ4020_SSR_BIT_1 1
#define FRITZ4020_SSR_BIT_2 2
#define FRITZ4020_SSR_BIT_3 3
#define FRITZ4020_SSR_BIT_4 4
#define FRITZ4020_SSR_BIT_5 5
#define FRITZ4020_SSR_BIT_6 6
#define FRITZ4020_SSR_BIT_7 7
#define FRITZ4020_74HC_GPIO_BASE 32
#define FRITZ4020_74HC_GPIO_LED_LAN (FRITZ4020_74HC_GPIO_BASE + 0)
#define FRITZ4020_74HC_GPIO_LED_INFO_RED (FRITZ4020_74HC_GPIO_BASE + 1)
#define FRITZ4020_74HC_GPIO_LED_POWER (FRITZ4020_74HC_GPIO_BASE + 2)
#define FRITZ4020_74HC_GPIO_LED_WLAN (FRITZ4020_74HC_GPIO_BASE + 3)
#define FRITZ4020_74HC_GPIO_LED_WAN (FRITZ4020_74HC_GPIO_BASE + 4)
#define FRITZ4020_74HC_GPIO_USB_RST (FRITZ4020_74HC_GPIO_BASE + 5)
#define FRITZ4020_74HC_GPIO_LED_INFO (FRITZ4020_74HC_GPIO_BASE + 6)
#define FRITZ4020_GPIO_BTN_WPS 2
#define FRITZ4020_GPIO_BTN_WLAN 21
#define FRITZ4020_KEYS_POLL_INTERVAL 20 /* msecs */
#define FRITZ4020_KEYS_DEBOUNCE_INTERVAL (3 * FRITZ4020_KEYS_POLL_INTERVAL)
#define FRTIZ4020_OFFSET_URLADER_WIFI_MAC_REVERSE 0x1979
static struct spi_gpio_platform_data fritz4020_spi_data = {
.sck = FRITZ4020_GPIO_SHIFT_SRCLK,
.miso = SPI_GPIO_NO_MISO,
.mosi = FRITZ4020_GPIO_SHIFT_SER,
.num_chipselect = 1,
};
static u8 fritz4020_ssr_initdata[] = {
BIT(FRITZ4020_SSR_BIT_7) |
BIT(FRITZ4020_SSR_BIT_6) |
BIT(FRITZ4020_SSR_BIT_5) |
BIT(FRITZ4020_SSR_BIT_4) |
BIT(FRITZ4020_SSR_BIT_3) |
BIT(FRITZ4020_SSR_BIT_2) |
BIT(FRITZ4020_SSR_BIT_1)
};
static struct gen_74x164_chip_platform_data fritz4020_ssr_data = {
.base = FRITZ4020_74HC_GPIO_BASE,
.num_registers = ARRAY_SIZE(fritz4020_ssr_initdata),
.init_data = fritz4020_ssr_initdata,
};
static struct platform_device fritz4020_spi_device = {
.name = "spi_gpio",
.id = 1,
.dev = {
.platform_data = &fritz4020_spi_data,
},
};
static struct spi_board_info fritz4020_spi_info[] = {
{
.bus_num = 1,
.chip_select = 0,
.max_speed_hz = 10000000,
.modalias = "74x164",
.platform_data = &fritz4020_ssr_data,
.controller_data = (void *) 0x0,
},
};
static struct mtd_partition fritz4020_flash_partitions[] = {
{
.name = "urlader",
.offset = 0,
.size = 0x0020000,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "firmware",
.offset = 0x0020000,
.size = 0x0EE0000,
}, {
.name = "tffs (1)",
.offset = 0x0f00000,
.size = 0x0080000,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "tffs (2)",
.offset = 0x0f80000,
.size = 0x0080000,
.mask_flags = MTD_WRITEABLE,
}
};
static struct flash_platform_data fritz4020_flash_data = {
.parts = fritz4020_flash_partitions,
.nr_parts = ARRAY_SIZE(fritz4020_flash_partitions),
};
static struct gpio_led fritz4020_leds_gpio[] __initdata = {
{
.name = "fritz4020:green:lan",
.gpio = FRITZ4020_74HC_GPIO_LED_LAN,
.active_low = 1,
}, {
.name = "fritz4020:green:info",
.gpio = FRITZ4020_74HC_GPIO_LED_INFO,
.active_low = 1,
}, {
.name = "fritz4020:red:info",
.gpio = FRITZ4020_74HC_GPIO_LED_INFO_RED,
.active_low = 1,
}, {
.name = "fritz4020:green:power",
.gpio = FRITZ4020_74HC_GPIO_LED_POWER,
.active_low = 1,
}, {
.name = "fritz4020:green:wlan",
.gpio = FRITZ4020_74HC_GPIO_LED_WLAN,
.active_low = 1,
}, {
.name = "fritz4020:green:wan",
.gpio = FRITZ4020_74HC_GPIO_LED_WAN,
.active_low = 1,
},
};
static struct gpio_keys_button fritz4020_gpio_keys[] __initdata = {
{
.desc = "RFKILL button",
.type = EV_KEY,
.code = KEY_RFKILL,
.debounce_interval = FRITZ4020_KEYS_DEBOUNCE_INTERVAL,
.gpio = FRITZ4020_GPIO_BTN_WLAN,
.active_low = 0,
},
{
.desc = "WPS button",
.type = EV_KEY,
.code = KEY_WPS_BUTTON,
.debounce_interval = FRITZ4020_KEYS_DEBOUNCE_INTERVAL,
.gpio = FRITZ4020_GPIO_BTN_WPS,
.active_low = 0,
},
};
static void __init fritz4020_setup(void) {
u8 *urlader = (u8 *) KSEG1ADDR(0x1f000000);
u8 wifi_mac[ETH_ALEN];
ath79_register_m25p80(&fritz4020_flash_data);
/* Initialize ethernet */
ath79_extract_mac_reverse(urlader + FRTIZ4020_OFFSET_URLADER_WIFI_MAC_REVERSE, wifi_mac);
ath79_setup_qca956x_eth_cfg(QCA956X_ETH_CFG_SW_PHY_SWAP |
QCA956X_ETH_CFG_SW_PHY_ADDR_SWAP);
ath79_register_mdio(0, 0x0);
ath79_register_mdio(1, 0x0);
ath79_init_mac(ath79_eth0_data.mac_addr, wifi_mac, -1);
ath79_init_mac(ath79_eth1_data.mac_addr, wifi_mac, -2);
/* WAN port */
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
ath79_eth0_data.speed = SPEED_100;
ath79_eth0_data.duplex = DUPLEX_FULL;
ath79_eth0_data.phy_mask = BIT(0);
ath79_register_eth(0);
/* LAN ports */
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
ath79_eth1_data.speed = SPEED_1000;
ath79_eth1_data.duplex = DUPLEX_FULL;
ath79_switch_data.phy_poll_mask |= BIT(0);
ath79_switch_data.phy4_mii_en = 1;
ath79_register_eth(1);
/* Initialize 2.4GHz WiFi */
ath79_register_wmac_simple();
/* Activate USB Power */
gpio_request_one(FRITZ4020_74HC_GPIO_USB_RST,
GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
"USB power");
/* Initialize USB port */
ath79_register_usb();
/* Register LED shift-register */
spi_register_board_info(fritz4020_spi_info,
ARRAY_SIZE(fritz4020_spi_info));
platform_device_register(&fritz4020_spi_device);
/* Register GPIO buttons */
ath79_register_gpio_keys_polled(-1, FRITZ4020_KEYS_POLL_INTERVAL,
ARRAY_SIZE(fritz4020_gpio_keys),
fritz4020_gpio_keys);
/* Register LEDs */
ath79_register_leds_gpio(-1, ARRAY_SIZE(fritz4020_leds_gpio),
fritz4020_leds_gpio);
}
MIPS_MACHINE(ATH79_MACH_FRITZ4020, "FRITZ4020",
"AVM FRITZ!Box 4020", fritz4020_setup);
|