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
|
Index: linux-2.6.24.2/arch/arm/mach-ixp4xx/avila-setup.c
===================================================================
--- linux-2.6.24.2.orig/arch/arm/mach-ixp4xx/avila-setup.c
+++ linux-2.6.24.2/arch/arm/mach-ixp4xx/avila-setup.c
@@ -14,10 +14,18 @@
#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>
+#ifdef CONFIG_SENSORS_EEPROM
+# include <linux/i2c.h>
+# include <linux/eeprom.h>
+#endif
+
#include <linux/i2c-gpio.h>
#include <asm/types.h>
@@ -29,6 +37,13 @@
#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,
@@ -192,10 +207,160 @@ static void __init avila_fixup(struct ma
t->hdr.size = 0;
}
+static void __init avila_gw23xx_setup(void)
+{
+ platform_device_register(&avila_npeb_device);
+ platform_device_register(&avila_npec_device);
+}
+
+#ifdef CONFIG_SENSORS_EEPROM
+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 (strncmp(info->model, model, strlen(info->model)) == 0)
+ return info;
+ }
+
+ return NULL;
+}
+
+struct avila_eeprom_header {
+ unsigned char mac0[ETH_ALEN];
+ unsigned char mac1[ETH_ALEN];
+ unsigned char res0[4];
+ unsigned char magic[2];
+ unsigned char config[14];
+ unsigned char model[16];
+};
+
+static int __init avila_eeprom_notify(struct notifier_block *self,
+ unsigned long event, void *t)
+{
+ struct eeprom_data *ee = t;
+ struct avila_eeprom_header hdr;
+
+ if (avila_info)
+ return NOTIFY_DONE;
+
+ /* The eeprom is at address 0x51 */
+ if (event != EEPROM_REGISTER || ee->client.addr != 0x51)
+ return NOTIFY_DONE;
+
+ ee->attr->read(&ee->client.dev.kobj, ee->attr, (char *)&hdr,
+ 0, sizeof(hdr));
+
+ if (hdr.magic[0] != 'G' || hdr.magic[1] != 'W')
+ return NOTIFY_DONE;
+
+ memcpy(&avila_npeb_data.hwaddr, hdr.mac0, ETH_ALEN);
+ memcpy(&avila_npec_data.hwaddr, hdr.mac1, ETH_ALEN);
+
+ avila_info = avila_find_board_info(hdr.model);
+
+ return NOTIFY_OK;
+}
+
+static struct notifier_block avila_eeprom_notifier __initdata = {
+ .notifier_call = avila_eeprom_notify
+};
+
+static void __init avila_register_eeprom_notifier(void)
+{
+ register_eeprom_notifier(&avila_eeprom_notifier);
+}
+
+static void __init avila_unregister_eeprom_notifier(void)
+{
+ unregister_eeprom_notifier(&avila_eeprom_notifier);
+}
+#else /* CONFIG_SENSORS_EEPROM */
+static inline void avila_register_eeprom_notifier(void) {};
+static inline void avila_unregister_eeprom_notifier(void) {};
+#endif /* CONFIG_SENSORS_EEPROM */
+
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;
@@ -213,9 +378,28 @@ static void __init avila_init(void)
platform_device_register(&avila_pata);
- platform_device_register(avila_npeb_device);
- platform_device_register(avila_npec_device);
+ avila_register_eeprom_notifier();
+}
+
+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();
+ }
+
+ avila_unregister_eeprom_notifier();
+ return 0;
}
+late_initcall(avila_model_setup);
MACHINE_START(AVILA, "Gateworks Avila Network Platform")
/* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
|
