ar71xx: init get_mac_revision on AR9330 rev 1
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files / arch / mips / ar71xx / dev-ar9xxx-wmac.c
1 /*
2 * Atheros AR9XXX SoCs built-in WMAC device support
3 *
4 * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
5 * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
6 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
7 *
8 * Parts of this file are based on Atheros 2.6.15/2.6.31 BSP
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License version 2 as published
12 * by the Free Software Foundation.
13 */
14
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/delay.h>
18 #include <linux/etherdevice.h>
19 #include <linux/platform_device.h>
20 #include <linux/ath9k_platform.h>
21
22 #include <asm/mach-ar71xx/ar71xx.h>
23
24 #include "dev-ar9xxx-wmac.h"
25
26 #define MHZ_25 (25 * 1000 * 1000)
27
28 static struct ath9k_platform_data ar9xxx_wmac_data = {
29 .led_pin = -1,
30 };
31 static char ar9xxx_wmac_mac[6];
32
33 static struct resource ar9xxx_wmac_resources[] = {
34 {
35 /* .start and .end fields are filled dynamically */
36 .flags = IORESOURCE_MEM,
37 }, {
38 .start = AR71XX_CPU_IRQ_IP2,
39 .end = AR71XX_CPU_IRQ_IP2,
40 .flags = IORESOURCE_IRQ,
41 },
42 };
43
44 static struct platform_device ar9xxx_wmac_device = {
45 .name = "ath9k",
46 .id = -1,
47 .resource = ar9xxx_wmac_resources,
48 .num_resources = ARRAY_SIZE(ar9xxx_wmac_resources),
49 .dev = {
50 .platform_data = &ar9xxx_wmac_data,
51 },
52 };
53
54 static void ar913x_wmac_init(void)
55 {
56 ar71xx_device_stop(RESET_MODULE_AMBA2WMAC);
57 mdelay(10);
58
59 ar71xx_device_start(RESET_MODULE_AMBA2WMAC);
60 mdelay(10);
61
62 ar9xxx_wmac_resources[0].start = AR91XX_WMAC_BASE;
63 ar9xxx_wmac_resources[0].end = AR91XX_WMAC_BASE + AR91XX_WMAC_SIZE - 1;
64 }
65
66 static int ar933x_r1_get_wmac_revision(void)
67 {
68 return ar71xx_soc_rev;
69 }
70
71 static void ar933x_wmac_init(void)
72 {
73 ar9xxx_wmac_device.name = "ar933x_wmac";
74 ar9xxx_wmac_resources[0].start = AR933X_WMAC_BASE;
75 ar9xxx_wmac_resources[0].end = AR933X_WMAC_BASE + AR933X_WMAC_SIZE - 1;
76 if (ar71xx_ref_freq == MHZ_25)
77 ar9xxx_wmac_data.is_clk_25mhz = true;
78
79 if (ar71xx_soc_rev == 1)
80 ar9xxx_wmac_data.get_mac_revision = ar933x_r1_get_wmac_revision;
81 }
82
83 static void ar934x_wmac_init(void)
84 {
85 ar9xxx_wmac_device.name = "ar934x_wmac";
86 ar9xxx_wmac_resources[0].start = AR934X_WMAC_BASE;
87 ar9xxx_wmac_resources[0].end = AR934X_WMAC_BASE + AR934X_WMAC_SIZE - 1;
88 if (ar71xx_ref_freq == MHZ_25)
89 ar9xxx_wmac_data.is_clk_25mhz = true;
90 }
91
92 void __init ar9xxx_add_device_wmac(u8 *cal_data, u8 *mac_addr)
93 {
94 switch (ar71xx_soc) {
95 case AR71XX_SOC_AR9130:
96 case AR71XX_SOC_AR9132:
97 ar913x_wmac_init();
98 break;
99
100 case AR71XX_SOC_AR9330:
101 case AR71XX_SOC_AR9331:
102 ar933x_wmac_init();
103 break;
104
105 case AR71XX_SOC_AR9341:
106 case AR71XX_SOC_AR9342:
107 case AR71XX_SOC_AR9344:
108 ar934x_wmac_init();
109 break;
110
111 default:
112 BUG();
113 }
114
115 if (cal_data)
116 memcpy(ar9xxx_wmac_data.eeprom_data, cal_data,
117 sizeof(ar9xxx_wmac_data.eeprom_data));
118
119 if (mac_addr) {
120 memcpy(ar9xxx_wmac_mac, mac_addr, sizeof(ar9xxx_wmac_mac));
121 ar9xxx_wmac_data.macaddr = ar9xxx_wmac_mac;
122 }
123
124 platform_device_register(&ar9xxx_wmac_device);
125 }