ar71xx: mach-rbspi: simplify reset button registration
[oweals/openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-wi2a-ac200i.c
1 /*
2  * Nokia WI2A-AC200i support
3  *
4  * Copyright (c) 2012 Qualcomm Atheros
5  * Copyright (c) 2012-2013 Gabor Juhos <juhosg@openwrt.org>
6  * Copyright (c) 2017 Felix Fietkau <nbd@nbd.name>
7  *
8  * Permission to use, copy, modify, and/or distribute this software for any
9  * purpose with or without fee is hereby granted, provided that the above
10  * copyright notice and this permission notice appear in all copies.
11  *
12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19  *
20  */
21
22 #include <linux/platform_device.h>
23 #include <linux/mtd/mtd.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/platform/ar934x_nfc.h>
26
27 #include <asm/mach-ath79/ar71xx_regs.h>
28 #include <asm/fw/fw.h>
29
30 #include "common.h"
31 #include "pci.h"
32 #include "dev-ap9x-pci.h"
33 #include "dev-gpio-buttons.h"
34 #include "dev-eth.h"
35 #include "dev-leds-gpio.h"
36 #include "dev-m25p80.h"
37 #include "dev-nfc.h"
38 #include "dev-usb.h"
39 #include "dev-wmac.h"
40 #include "machtypes.h"
41
42 #define AC200I_GPIO_BTN_RESET           17
43
44 #define AC200I_KEYS_POLL_INTERVAL       20      /* msecs */
45 #define AC200I_KEYS_DEBOUNCE_INTERVAL   (3 * AC200I_KEYS_POLL_INTERVAL)
46
47 #define AC200I_MAC_ADDR                 0x1f040249
48 #define AC200I_MAC1_OFFSET              6
49 #define AC200I_WMAC_CALDATA_ADDR        0x1f061000
50
51 static struct gpio_led ac200i_leds_gpio[] __initdata = {
52         {
53                 .name           = "nokia:red:wlan-2g",
54                 .gpio           = 0,
55                 .active_low     = 1,
56         },
57         {
58                 .name           = "nokia:green:power",
59                 .gpio           = 1,
60                 .active_low     = 1,
61         },
62         {
63                 .name           = "nokia:green:wlan-2g",
64                 .gpio           = 2,
65                 .active_low     = 1,
66         },
67         {
68                 .name           = "nokia:green:ctrl",
69                 .gpio           = 3,
70                 .active_low     = 1,
71         },
72         {
73                 .name           = "nokia:green:eth",
74                 .gpio           = 4,
75                 .active_low     = 1,
76         },
77         {
78                 .name           = "nokia:red:power",
79                 .gpio           = 13,
80                 .active_low     = 1,
81         },
82         {
83                 .name           = "nokia:red:eth",
84                 .gpio           = 14,
85                 .active_low     = 1,
86         },
87         {
88                 .name           = "nokia:red:wlan-5g",
89                 .gpio           = 18,
90                 .active_low     = 1,
91         },
92         {
93                 .name           = "nokia:green:wlan-5g",
94                 .gpio           = 19,
95                 .active_low     = 1,
96         },
97         {
98                 .name           = "nokia:red:ctrl",
99                 .gpio           = 20,
100                 .active_low     = 1,
101         },
102 };
103
104 static struct gpio_keys_button ac200i_gpio_keys[] __initdata = {
105         {
106                 .desc           = "Reset button",
107                 .type           = EV_KEY,
108                 .code           = KEY_RESTART,
109                 .debounce_interval = AC200I_KEYS_DEBOUNCE_INTERVAL,
110                 .gpio           = AC200I_GPIO_BTN_RESET,
111                 .active_low     = 1,
112         },
113 };
114
115 static struct mtd_partition ac200i_nand_partitions[] = {
116         {
117                 .name   = "cfg",
118                 .offset = 0x0100000,
119                 .size   = 0x1800000,
120                 .mask_flags = MTD_WRITEABLE,
121         },
122         {
123                 .name   = "kernel",
124                 .offset = 0x2000000,
125                 .size   = 0x0400000,
126         },
127         {
128                 .name   = "ubi",
129                 .offset = 0x2400000,
130                 .size   = 0x2000000,
131         },
132         {
133                 .name   = "kernel",
134                 .offset = 0x5000000,
135                 .size   = 0x0400000,
136         },
137         {
138                 .name   = "ubi",
139                 .offset = 0x5400000,
140                 .size   = 0x2000000,
141         },
142 };
143
144 static const char *boot_getenv(const char *key)
145 {
146         const char *start = (const char *) KSEG1ADDR(0x1f070000);
147         const char *end = start + 0x20000;
148         const char *addr;
149
150         for (addr = start + 4;
151              *addr && *addr != 0xff && addr < end &&
152              strnlen(addr, end - addr) < end - addr;
153              addr += strnlen(addr, end - addr) + 1) {
154                 const char *val;
155
156                 val = strchr(addr, '=');
157                 if (!val)
158                         continue;
159
160                 if (strncmp(addr, key, val - addr))
161                         continue;
162
163                 return val + 1;
164         }
165         return NULL;
166 }
167
168 static void __init ac200i_setup(void)
169 {
170         const char *img;
171         u8 *wmac = (u8 *) KSEG1ADDR(AC200I_WMAC_CALDATA_ADDR);
172         u8 *mac_addr = (u8 *) KSEG1ADDR(AC200I_MAC_ADDR);
173
174         ath79_register_m25p80(NULL);
175
176         ath79_register_leds_gpio(-1, ARRAY_SIZE(ac200i_leds_gpio),
177                                  ac200i_leds_gpio);
178         ath79_register_gpio_keys_polled(-1, AC200I_KEYS_POLL_INTERVAL,
179                                         ARRAY_SIZE(ac200i_gpio_keys),
180                                         ac200i_gpio_keys);
181
182         ath79_register_usb();
183         ath79_nfc_set_parts(ac200i_nand_partitions,
184                             ARRAY_SIZE(ac200i_nand_partitions));
185         ath79_nfc_set_ecc_mode(AR934X_NFC_ECC_HW);
186         ath79_register_nfc();
187
188         ath79_register_wmac(wmac, NULL);
189
190         ath79_register_mdio(0, 0x0);
191         ath79_init_mac(ath79_eth0_data.mac_addr, mac_addr, 0);
192
193         /* GMAC0 is connected to the SGMII interface */
194         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
195         ath79_eth0_data.phy_mask = BIT(4);
196         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
197         ath79_eth0_pll_data.pll_1000 = 0x03000101;
198         ath79_eth0_pll_data.pll_100 = 0x80000101;
199         ath79_eth0_pll_data.pll_10 = 0x80001313;
200
201         img = boot_getenv("dualPartition");
202         if (img && !strcmp(img, "imgA")) {
203                 ac200i_nand_partitions[3].name = "kernel_alt";
204                 ac200i_nand_partitions[4].name = "ubi_alt";
205         } else {
206                 ac200i_nand_partitions[1].name = "kernel_alt";
207                 ac200i_nand_partitions[2].name = "ubi_alt";
208         }
209
210         ath79_register_eth(0);
211
212         ath79_register_pci();
213 }
214
215 MIPS_MACHINE(ATH79_MACH_WI2A_AC200I, "WI2A-AC200i",
216              "Nokia WI2A-AC200i",
217              ac200i_setup);