[lantiq] prepare Makefile for 3.6
[openwrt.git] / target / linux / lantiq / files / arch / mips / lantiq / xway / mach-netgear.c
1 /*
2  *  This program is free software; you can redistribute it and/or modify it
3  *  under the terms of the GNU General Public License version 2 as published
4  *  by the Free Software Foundation.
5  *
6  *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
7  *  Copyright (C) 2012 Pieter Voorthuijsen <p.voorthuijsen@gmail.com>
8  */
9
10 #include <linux/init.h>
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/input.h>
16 #include <linux/phy.h>
17 #include <linux/spi/spi.h>
18 #include <linux/spi/flash.h>
19 #include <linux/spi/spi_gpio.h>
20 #include <linux/ath9k_platform.h>
21 #include <linux/if_ether.h>
22 #include <linux/etherdevice.h>
23 #include <linux/kobject.h>
24 #include <linux/sysfs.h>
25
26 #include <lantiq_soc.h>
27 #include <irq.h>
28 #include <dev-gpio-leds.h>
29 #include <dev-gpio-buttons.h>
30 #include "dev-wifi-athxk.h"
31
32 #include "../machtypes.h"
33 #include "devices.h"
34 #include "dev-dwc_otg.h"
35 #include "pci-ath-fixup.h"
36 #include <mtd/mtd-abi.h>
37 #include <asm-generic/sizes.h>
38
39 static struct mtd_partition dgn3500_partitions[] = {
40         {
41                 .name = "u-boot",
42                 .offset = 0,
43                 .size = 0x10000,
44                 .mask_flags = MTD_WRITEABLE,
45         },
46         {
47                 .name = "environment",
48                 .offset = 0x10000,
49                 .size = 0x10000,
50                 .mask_flags = MTD_WRITEABLE,
51         },
52         {
53                 .name = "calibration",
54                 .offset = 0x20000,
55                 .size = 0x10000,
56                 .mask_flags = MTD_WRITEABLE,
57         },
58         {
59                 .name = "linux",
60                 .offset = 0x50000,
61                 .size = 0xfa0000,
62         },
63 };
64
65 static struct ltq_pci_data ltq_pci_data = {
66         .clock  = PCI_CLOCK_INT,
67         .gpio   = PCI_GNT1 | PCI_REQ1,
68         .irq    = {
69                 [14] = INT_NUM_IM0_IRL0 + 22,
70         },
71 };
72
73 static struct ltq_eth_data ltq_eth_data = {
74         .mii_mode = PHY_INTERFACE_MODE_MII,
75 };
76
77 static struct gpio_led
78 dgn3500_gpio_leds[] __initdata = {
79         { .name = "soc:green:power", .gpio = 34, .active_low = 1, },
80         { .name = "soc:red:power", .gpio = 39, .active_low = 1, },
81         { .name = "soc:orange:wlan", .gpio = 51, .active_low = 1, },
82         { .name = "soc:green:wps", .gpio = 52, .active_low = 1, },
83         { .name = "soc:green:usb", .gpio = 22, .active_low = 1, },
84         { .name = "soc:green:dsl", .gpio = 4, .active_low = 1, },
85         { .name = "soc:green:internet", .gpio = 2, .active_low = 1, },
86 };
87
88 static struct gpio_keys_button
89 dgn3500_gpio_keys[] __initdata = {
90         {
91                 .desc = "wps",
92                 .type = EV_KEY,
93                 .code = BTN_0,
94                 .debounce_interval = LTQ_KEYS_DEBOUNCE_INTERVAL,
95                 .gpio = 54,
96                 .active_low = 1,
97         },
98         {
99                 .desc = "reset",
100                 .type = EV_KEY,
101                 .code = BTN_1,
102                 .debounce_interval = LTQ_KEYS_DEBOUNCE_INTERVAL,
103                 .gpio = 36,
104                 .active_low = 1,
105         },
106 };
107
108 #define SPI_GPIO_MRST   16
109 #define SPI_GPIO_MTSR   17
110 #define SPI_GPIO_CLK    18
111 #define SPI_GPIO_CS0    10
112
113 static struct spi_gpio_platform_data spi_gpio_data = {
114         .sck            = SPI_GPIO_CLK,
115         .mosi           = SPI_GPIO_MTSR,
116         .miso           = SPI_GPIO_MRST,
117         .num_chipselect = 2,
118 };
119
120 static struct platform_device spi_gpio_device = {
121         .name                   = "spi_gpio",
122         .dev.platform_data      = &spi_gpio_data,
123 };
124
125 static struct flash_platform_data spi_flash_data = {
126         .name           = "sflash",
127         .parts          = dgn3500_partitions,
128         .nr_parts       = ARRAY_SIZE(dgn3500_partitions),
129 };
130
131 static struct spi_board_info spi_flash __initdata = {
132         .modalias               = "m25p80",
133         .bus_num                = 0,
134         .chip_select            = 0,
135         .max_speed_hz           = 10 * 1000 * 1000,
136         .mode                   = SPI_MODE_3,
137         .chip_select            = 0,
138         .controller_data        = (void *) SPI_GPIO_CS0,
139         .platform_data          = &spi_flash_data
140 };
141
142 static u8 ltq_ethaddr[6] = { 0 };
143
144 static int __init setup_ethaddr(char *str)
145 {
146         if (!mac_pton(str, ltq_ethaddr))
147                 memset(ltq_ethaddr, 0, 6);
148         return 0;
149 }
150 __setup("ethaddr=", setup_ethaddr);
151
152 static u16 dgn3500_eeprom_data[ATH9K_PLAT_EEP_MAX_WORDS] = {0};
153
154 static ssize_t ath_eeprom_read(struct file *filp, struct kobject *kobj,
155                 struct bin_attribute *attr, char *buf,
156                 loff_t offset, size_t count)
157 {
158         if (unlikely(offset >= sizeof(dgn3500_eeprom_data)))
159                 return 0;
160         if ((offset + count) > sizeof(dgn3500_eeprom_data))
161                 count = sizeof(dgn3500_eeprom_data) - offset;
162         if (unlikely(!count))
163                 return count;
164
165         memcpy(buf, (char *)(dgn3500_eeprom_data) + offset, count);
166
167         return count;
168 }
169
170 extern struct ath9k_platform_data ath9k_pdata;
171
172 static ssize_t ath_eeprom_write(struct file *filp, struct kobject *kobj,
173                 struct bin_attribute *attr, char *buf,
174                 loff_t offset, size_t count)
175 {
176         int i;
177         char *eeprom_bytes = (char *)dgn3500_eeprom_data;
178
179         if (unlikely(offset >= sizeof(dgn3500_eeprom_data)))
180                 return -EFBIG;
181         if ((offset + count) > sizeof(dgn3500_eeprom_data))
182                 count = sizeof(dgn3500_eeprom_data) - offset;
183         if (unlikely(!count))
184                 return count;
185         if (count % 2)
186                 return 0;
187
188         /* The PCI fixup routine requires an endian swap of the calibartion data
189          * stored in flash */
190         for (i = 0; i < count; i += 2) {
191                 eeprom_bytes[offset + i + 1] = buf[i];
192                 eeprom_bytes[offset + i] = buf[i+1];
193         }
194
195         /* The original data does not contain a checksum. Set the country and
196          * calculate new checksum when all data is received */
197         if ((count + offset) == sizeof(dgn3500_eeprom_data))
198                 memcpy(ath9k_pdata.eeprom_data, dgn3500_eeprom_data,
199                                 sizeof(ath9k_pdata.eeprom_data));
200
201         return count;
202 }
203
204 static struct bin_attribute dev_attr_ath_eeprom = {
205         .attr = {
206                 .name = "ath_eeprom",
207                 .mode = S_IRUGO|S_IWUSR,
208         },
209         .read = ath_eeprom_read,
210         .write = ath_eeprom_write,
211 };
212
213 static void __init dgn3500_init(void)
214 {
215         if (sysfs_create_bin_file(firmware_kobj, &dev_attr_ath_eeprom))
216                 printk(KERN_INFO "Failed to create ath eeprom sysfs entry\n");
217         ltq_add_device_gpio_leds(-1, ARRAY_SIZE(dgn3500_gpio_leds),
218                         dgn3500_gpio_leds);
219         ltq_register_gpio_keys_polled(-1, LTQ_KEYS_POLL_INTERVAL,
220                         ARRAY_SIZE(dgn3500_gpio_keys), dgn3500_gpio_keys);
221         platform_device_register(&spi_gpio_device);
222         ltq_register_pci(&ltq_pci_data);
223         spi_register_board_info(&spi_flash, 1);
224         if (!is_valid_ether_addr(ltq_ethaddr)) {
225                 printk(KERN_INFO "MAC invalid using random\n");
226                 random_ether_addr(ltq_ethaddr);
227         }
228         memcpy(&ltq_eth_data.mac.sa_data, ltq_ethaddr, 6);
229         ltq_register_etop(&ltq_eth_data);
230         ltq_register_ath9k(dgn3500_eeprom_data, ltq_ethaddr);
231         ltq_pci_ath_fixup(14, dgn3500_eeprom_data);
232         /* The usb power is always enabled, protected by a fuse */
233         xway_register_dwc(-1);
234 }
235
236 MIPS_MACHINE(LANTIQ_MACH_DGN3500B,
237              "DGN3500B",
238              "Netgear DGN3500B",
239               dgn3500_init);