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
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
|
From 4c63820dec1699305f30a4096a0baa550d273a87 Mon Sep 17 00:00:00 2001
From: Matthieu Crapet <mcrapet@gmail.com>
Date: Fri, 18 Jun 2010 17:39:09 +0200
Subject: [PATCH 08/24] ts72xx_ts_eth100
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
TS-ETH100 - 10/100 Ethernet PC/104 peripheral
Signed-off-by: Petr Štetiar <ynezz@true.cz>
---
drivers/net/Kconfig | 10 ++
drivers/net/Makefile | 1 +
drivers/net/ax88796.c | 8 ++-
drivers/net/ax88796_ts_eth100.c | 190 +++++++++++++++++++++++++++++++++++++++
4 files changed, 208 insertions(+), 1 deletions(-)
create mode 100644 drivers/net/ax88796_ts_eth100.c
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 5db667c..448c823 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -248,6 +248,16 @@ config AX88796_93CX6
help
Select this if your platform comes with an external 93CX6 eeprom.
+config AX88796_TS_ETH100
+ tristate "Support for TS-ETH100 (TS-72XX SBC)"
+ depends on AX88796 && MACH_TS72XX
+ help
+ Say Y here if you have a TS-ETH100 PC/104 peripheral.
+ IRQ numbers and I/O address will be configurated automatically.
+
+ To compile this driver as a module, choose M here: the module
+ will be called ax88796_ts_eth100.
+
config MACE
tristate "MACE (Power Mac ethernet) support"
depends on PPC_PMAC && PPC32
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 3e8f150..eb4765b 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -143,6 +143,7 @@ obj-$(CONFIG_B44) += b44.o
obj-$(CONFIG_FORCEDETH) += forcedeth.o
obj-$(CONFIG_NE_H8300) += ne-h8300.o 8390.o
obj-$(CONFIG_AX88796) += ax88796.o
+obj-$(CONFIG_AX88796_TS_ETH100) += ax88796_ts_eth100.o
obj-$(CONFIG_BCM63XX_ENET) += bcm63xx_enet.o
obj-$(CONFIG_TSI108_ETH) += tsi108_eth.o
diff --git a/drivers/net/ax88796.c b/drivers/net/ax88796.c
index 20e946b..33527f7 100644
--- a/drivers/net/ax88796.c
+++ b/drivers/net/ax88796.c
@@ -810,7 +810,9 @@ static int ax_remove(struct platform_device *_dev)
ax = to_ax_dev(dev);
unregister_netdev(dev);
- free_irq(dev->irq, dev);
+ if (ax->running) { // already freed in ax_close?
+ free_irq(dev->irq, dev);
+ }
iounmap(ei_status.mem);
release_resource(ax->mem);
@@ -936,7 +938,11 @@ static int ax_probe(struct platform_device *pdev)
goto exit_mem2;
}
+ #if defined(CONFIG_AX88796_TS_ETH100) || defined(CONFIG_AX88796_TS_ETH100_MODULE)
+ ei_status.reg_offset[0x10] = ax->map2 - ei_status.mem + 0x10; /* don't know why, but +0x20 works too */
+ #else
ei_status.reg_offset[0x1f] = ax->map2 - ei_status.mem;
+ #endif
}
/* got resources, now initialise and register device */
diff --git a/drivers/net/ax88796_ts_eth100.c b/drivers/net/ax88796_ts_eth100.c
new file mode 100644
index 0000000..448b3e3
--- /dev/null
+++ b/drivers/net/ax88796_ts_eth100.c
@@ -0,0 +1,190 @@
+/*
+ * linux/drivers/net/ax88796_ts_eth100.c
+ * Technologic Systems TS-ETH100 support.
+ *
+ * (c) Copyright 2008 Matthieu Crapet <mcrapet@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <net/ax88796.h>
+#include <mach/ts72xx.h>
+#include <mach/gpio.h>
+
+#define TS72XX_ETH100_IO8_PHYS_BASE (TS72XX_PC104_8BIT_IO_PHYS_BASE)
+#define TS72XX_ETH100_IO8_SIZE (TS72XX_PC104_8BIT_IO_SIZE)
+#define TS72XX_ETH100_IO16_PHYS_BASE (TS72XX_PC104_16BIT_IO_PHYS_BASE)
+#define TS72XX_ETH100_IO16_SIZE (TS72XX_PC104_16BIT_IO_SIZE)
+
+/* Technologic systems I/O space */
+#define TS_ETH100_PLD_0 0x100
+#define TS_ETH100_PLD_1 0x110
+#define TS_ETH100_PLD_2 0x120
+#define TS_ETH100_PLD_3 0x130
+
+/* NE2000 I/O space */
+#define TS_ETH100_MAC_0 0x200
+#define TS_ETH100_MAC_1 0x240
+#define TS_ETH100_MAC_2 0x300
+#define TS_ETH100_MAC_3 0x340
+
+/* Board identifier must be 5 ; PLD revision should be 1 */
+#define is_eth100_present(__iomem, __offset) \
+ (((__raw_readb(__iomem + __offset) & 0xF) == 0x5) && \
+ ((__raw_readb(__iomem + __offset + 4) & 0xF) == 0x1))
+
+/* Jumpers status (SRAM control register) */
+#define read_irq(__iomem, __offset) \
+ (__raw_readb(__iomem + __offset + 8) & 0xE)
+
+
+static u32 offsets[0x20] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F
+};
+
+static struct ax_plat_data ts72xx_eth100_asix_data = {
+ .flags = AXFLG_HAS_93CX6,
+ .wordlength = 2,
+ .dcr_val = 0x48,
+ .rcr_val = 0x40,
+ .reg_offsets = offsets,
+};
+
+static struct resource ts72xx_eth100_resource[] = {
+ [0] = {
+ .start = TS72XX_ETH100_IO8_PHYS_BASE,
+ .end = TS72XX_ETH100_IO8_PHYS_BASE + 0x40 - 1,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = { /* 0x10 is NE_DATAPORT is 16-bit access */
+ .start = TS72XX_ETH100_IO16_PHYS_BASE,
+ .end = TS72XX_ETH100_IO16_PHYS_BASE + 0x40 - 1,
+ .flags = IORESOURCE_MEM
+ },
+ [2] = {
+ .start = IRQ_EP93XX_EXT1,
+ .end = IRQ_EP93XX_EXT1,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static int ts_eth100_irq; // 2 [IRQ 5], 4 [IRQ 6] or 8 [IRQ 7] (jumper configuration)
+
+
+static void ts72xx_eth100_release(struct device *dev)
+{
+ /* nothing to do (no kfree) because we have static struct */
+}
+
+static struct platform_device ts72xx_eth100_device_asix = {
+ .name = "ax88796",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(ts72xx_eth100_resource),
+ .resource = ts72xx_eth100_resource,
+ .dev = {
+ .platform_data = &ts72xx_eth100_asix_data,
+ .release = ts72xx_eth100_release,
+ }
+};
+
+static int __init ts_eth100_init(void)
+{
+ void __iomem *iomem;
+ struct platform_device *ethX = NULL;
+
+ iomem = ioremap(TS72XX_ETH100_IO8_PHYS_BASE, TS72XX_ETH100_IO8_SIZE);
+ if (iomem != NULL) {
+ ethX = &ts72xx_eth100_device_asix;
+
+ if (is_eth100_present(iomem, TS_ETH100_PLD_0)) {
+ ethX->resource[0].start += TS_ETH100_MAC_0;
+ ethX->resource[0].end += TS_ETH100_MAC_0;
+ ethX->resource[1].start += TS_ETH100_MAC_0;
+ ethX->resource[1].end += TS_ETH100_MAC_0;
+ ts_eth100_irq = read_irq(iomem, TS_ETH100_PLD_0);
+ } else if(is_eth100_present(iomem, TS_ETH100_PLD_1)) {
+ ethX->resource[0].start += TS_ETH100_MAC_1;
+ ethX->resource[0].end += TS_ETH100_MAC_1;
+ ethX->resource[1].start += TS_ETH100_MAC_1;
+ ethX->resource[1].end += TS_ETH100_MAC_1;
+ ts_eth100_irq = read_irq(iomem, TS_ETH100_PLD_1);
+ } else if(is_eth100_present(iomem, TS_ETH100_PLD_2)) {
+ ethX->resource[0].start += TS_ETH100_MAC_2;
+ ethX->resource[0].end += TS_ETH100_MAC_2;
+ ethX->resource[1].start += TS_ETH100_MAC_2;
+ ethX->resource[1].end += TS_ETH100_MAC_2;
+ ts_eth100_irq = read_irq(iomem, TS_ETH100_PLD_2);
+ } else if(is_eth100_present(iomem, TS_ETH100_PLD_3)) {
+ ethX->resource[0].start += TS_ETH100_MAC_3;
+ ethX->resource[0].end += TS_ETH100_MAC_3;
+ ethX->resource[1].start += TS_ETH100_MAC_3;
+ ethX->resource[1].end += TS_ETH100_MAC_3;
+ ts_eth100_irq = read_irq(iomem, TS_ETH100_PLD_3);
+ } else {
+ ethX = NULL;
+ }
+
+ /* Translate IRQ number */
+ if (ethX != NULL) {
+ int ret, irq = 0;
+ switch (ts_eth100_irq) {
+ case 0x2: /* IRQ5 */
+ irq = gpio_to_irq(EP93XX_GPIO_LINE_F(3));
+ ret = gpio_request(irq, "TS-ETH100");
+ if (ret < 0) {
+ ethX = NULL;
+ goto init_error;
+ } else {
+ gpio_direction_input(irq);
+ set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
+ }
+ break;
+ case 0x4: /* IRQ6 */
+ irq = IRQ_EP93XX_EXT1;
+ break;
+ case 0x8: /* IRQ7 */
+ default:
+ irq = IRQ_EP93XX_EXT3;
+ }
+ ethX->resource[2].start = irq;
+ ethX->resource[2].end = irq;
+ }
+init_error:
+ iounmap(iomem);
+ }
+
+ return ((ethX == NULL) ? -ENODEV :
+ platform_device_register(&ts72xx_eth100_device_asix));
+}
+
+
+static void __exit ts_eth100_exit(void)
+{
+ platform_device_unregister(&ts72xx_eth100_device_asix);
+ if (ts_eth100_irq == 2)
+ gpio_free(EP93XX_GPIO_LINE_F(3));
+}
+
+module_init(ts_eth100_init);
+module_exit(ts_eth100_exit);
+
+MODULE_AUTHOR("Matthieu Crapet <mcrapet@gmail.com>");
+MODULE_DESCRIPTION("Asix 88796 ethernet probe module for TS-ETH100 (TS-72xx)");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("0.21");
--
1.7.0.4
|
