aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ixp4xx/patches-2.6.31/300-avila_fetch_mac.patch
blob: ca8cae12ca50f1ece38574c415b6d776ca54fc40 (plain)
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
243
244
--- a/arch/arm/mach-ixp4xx/avila-setup.c
+++ b/arch/arm/mach-ixp4xx/avila-setup.c
@@ -14,10 +14,16 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/if_ether.h>
+#include <linux/socket.h>
+#include <linux/netdevice.h>
 #include <linux/serial.h>
 #include <linux/tty.h>
 #include <linux/serial_8250.h>
 #include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+
 #include <linux/i2c-gpio.h>
 
 #include <asm/types.h>
@@ -29,6 +35,13 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
 
+struct avila_board_info {
+	unsigned char	*model;
+	void		(*setup)(void);
+};
+
+static struct avila_board_info *avila_info __initdata;
+
 static struct flash_platform_data avila_flash_data = {
 	.map_name	= "cfi_probe",
 	.width		= 2,
@@ -132,16 +145,181 @@ static struct platform_device avila_pata
 	.resource		= avila_pata_resources,
 };
 
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct eth_plat_info avila_npeb_data = {
+	.phy		= 0,
+	.rxq		= 3,
+	.txreadyq	= 20,
+};
+
+static struct eth_plat_info avila_npec_data = {
+	.phy		= 1,
+	.rxq		= 4,
+	.txreadyq	= 21,
+};
+
+static struct platform_device avila_npeb_device = {
+	.name			= "ixp4xx_eth",
+	.id			= IXP4XX_ETH_NPEB,
+	.dev.platform_data	= &avila_npeb_data,
+};
+
+static struct platform_device avila_npec_device = {
+	.name			= "ixp4xx_eth",
+	.id			= IXP4XX_ETH_NPEC,
+	.dev.platform_data	= &avila_npec_data,
+};
+
 static struct platform_device *avila_devices[] __initdata = {
 	&avila_i2c_gpio,
 	&avila_flash,
 	&avila_uart
 };
 
+static void __init avila_gw23xx_setup(void)
+{
+	platform_device_register(&avila_npeb_device);
+	platform_device_register(&avila_npec_device);
+}
+
+static void __init avila_gw2342_setup(void)
+{
+	platform_device_register(&avila_npeb_device);
+	platform_device_register(&avila_npec_device);
+}
+
+static void __init avila_gw2345_setup(void)
+{
+	avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
+	avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
+	platform_device_register(&avila_npeb_device);
+
+	avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */
+	platform_device_register(&avila_npec_device);
+}
+
+static void __init avila_gw2347_setup(void)
+{
+	platform_device_register(&avila_npeb_device);
+}
+
+static void __init avila_gw2348_setup(void)
+{
+	platform_device_register(&avila_npeb_device);
+	platform_device_register(&avila_npec_device);
+}
+
+static void __init avila_gw2353_setup(void)
+{
+	platform_device_register(&avila_npeb_device);
+}
+
+static void __init avila_gw2355_setup(void)
+{
+	avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR;
+	avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */
+	platform_device_register(&avila_npeb_device);
+
+	avila_npec_data.phy = 16;
+	platform_device_register(&avila_npec_device);
+}
+
+static void __init avila_gw2357_setup(void)
+{
+	platform_device_register(&avila_npeb_device);
+}
+
+static struct avila_board_info avila_boards[] __initdata = {
+	{
+		.model		= "GW2342",
+		.setup		= avila_gw2342_setup,
+	}, {
+		.model		= "GW2345",
+		.setup		= avila_gw2345_setup,
+	}, {
+		.model		= "GW2347",
+		.setup		= avila_gw2347_setup,
+	}, {
+		.model		= "GW2348",
+		.setup		= avila_gw2348_setup,
+	}, {
+		.model		= "GW2353",
+		.setup		= avila_gw2353_setup,
+	}, {
+		.model		= "GW2355",
+		.setup		= avila_gw2355_setup,
+	}, {
+		.model		= "GW2357",
+		.setup		= avila_gw2357_setup,
+	}
+};
+
+static struct avila_board_info * __init avila_find_board_info(char *model)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(avila_boards); i++) {
+		struct avila_board_info *info = &avila_boards[i];
+		if (strcmp(info->model, model) == 0)
+			return info;
+	}
+
+	return NULL;
+}
+
+static struct memory_accessor *at24_mem_acc;
+
+static int at24_setup(struct memory_accessor *mem_acc, void *context)
+{
+	char mac_addr[ETH_ALEN];
+	char model[6];
+
+	at24_mem_acc = mem_acc;
+
+	/* Read MAC addresses */
+	if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x0, 6) == 6) {
+		memcpy(&avila_npeb_data.hwaddr, mac_addr, ETH_ALEN);
+	}
+	if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x6, 6) == 6) {
+		memcpy(&avila_npec_data.hwaddr, mac_addr, ETH_ALEN);
+	}
+
+	/* Read the first 6 bytes of the model number */
+	if (at24_mem_acc->read(at24_mem_acc, model, 0x20, 6) == 6) {
+		avila_info = avila_find_board_info(model);
+	}
+
+	return 0;
+}
+
+static struct at24_platform_data avila_eeprom_info = {
+	.byte_len	= 1024,
+	.page_size	= 16,
+	.flags		= AT24_FLAG_READONLY,
+	.setup		= at24_setup,
+};
+
+static struct i2c_board_info __initdata avila_i2c_board_info[] = {
+	{
+		I2C_BOARD_INFO("ds1672", 0x68),
+	},
+	{
+		I2C_BOARD_INFO("ad7418", 0x28),
+	},
+	{
+		I2C_BOARD_INFO("24c08", 0x51),
+		.platform_data	= &avila_eeprom_info
+	},
+};
+
 static void __init avila_init(void)
 {
 	ixp4xx_sys_init();
 
+	/*
+	 * These devices are present on all Avila models and don't need any
+	 * model specific setup.
+	 */
 	avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 	avila_flash_resource.end =
 		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
@@ -159,7 +337,28 @@ static void __init avila_init(void)
 
 	platform_device_register(&avila_pata);
 
+		i2c_register_board_info(0, avila_i2c_board_info,
+				ARRAY_SIZE(avila_i2c_board_info));
+}
+
+static int __init avila_model_setup(void)
+{
+	if (!machine_is_avila())
+		return 0;
+
+	if (avila_info) {
+		printk(KERN_DEBUG "Running on Gateworks Avila %s\n",
+							avila_info->model);
+		avila_info->setup();
+	} else {
+		printk(KERN_INFO "Unknown/missing Avila model number"
+						" -- defaults will be used\n");
+		avila_gw23xx_setup();
+	}
+
+	return 0;
 }
+late_initcall(avila_model_setup);
 
 MACHINE_START(AVILA, "Gateworks Avila Network Platform")
 	/* Maintainer: Deepak Saxena <dsaxena@plexity.net> */