summaryrefslogtreecommitdiff
path: root/target/linux/ixp4xx/patches-3.3/520-tw2662_support.patch
blob: c7940a76965b26ffb5a0c402d290faa279aa0595 (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
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
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -180,6 +180,15 @@ config ARCH_PRPMC1100
 	  PrPCM1100 Processor Mezanine Module. For more information on
 	  this platform, see <file:Documentation/arm/IXP4xx>.
 
+config MACH_TW2662
+        bool "Titan Wireless TW-266-2"
+        select PCI
+        help
+          Say 'Y' here if you want your kernel to support the Titan
+          Wireless TW266-2. For more information on this platform,
+          see http://openwrt.org
+
+
 config MACH_TW5334
 	bool "Titan Wireless TW-533-4"
 	select PCI
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -25,6 +25,7 @@ obj-pci-$(CONFIG_MACH_SIDEWINDER)	+= sid
 obj-pci-$(CONFIG_MACH_COMPEX)		+= ixdp425-pci.o
 obj-pci-$(CONFIG_MACH_WRT300NV2)		+= wrt300nv2-pci.o
 obj-pci-$(CONFIG_MACH_AP1000)		+= ixdp425-pci.o
+obj-pci-$(CONFIG_MACH_TW2662)		+= tw2662-pci.o
 obj-pci-$(CONFIG_MACH_TW5334)		+= tw5334-pci.o
 obj-pci-$(CONFIG_MACH_MI424WR)		+= mi424wr-pci.o
 obj-pci-$(CONFIG_MACH_USR8200)		+= usr8200-pci.o
@@ -54,6 +55,7 @@ obj-$(CONFIG_MACH_SIDEWINDER)	+= sidewin
 obj-$(CONFIG_MACH_COMPEX)	+= compex-setup.o
 obj-$(CONFIG_MACH_WRT300NV2)	+= wrt300nv2-setup.o
 obj-$(CONFIG_MACH_AP1000)	+= ap1000-setup.o
+obj-$(CONFIG_MACH_TW2662)	+= tw2662-setup.o
 obj-$(CONFIG_MACH_TW5334)	+= tw5334-setup.o
 obj-$(CONFIG_MACH_MI424WR)	+= mi424wr-setup.o
 obj-$(CONFIG_MACH_USR8200)	+= usr8200-setup.o
--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
+++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
@@ -45,7 +45,7 @@ static __inline__ void __arch_decomp_set
 	    machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
 	    machine_is_pronghorn() || machine_is_pronghorn_metro() ||
 	    machine_is_wrt300nv2() || machine_is_tw5334() ||
-	    machine_is_usr8200())
+	    machine_is_usr8200() || machine_is_tw2662())
 		uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
 	else
 		uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/tw2662-pci.c
@@ -0,0 +1,68 @@
+/*
+ * arch/arm/mach-ixp4xx/tw2662-pci.c
+ *
+ * PCI setup routines for Tiran Wireless TW-266-2 platform
+ *
+ * Copyright (C) 2002 Jungo Software Technologies.
+ * Copyright (C) 2003 MontaVista Softwrae, Inc.
+ * Copyright (C) 2010 Alexandros C. Couloumbis <alex@ozo.com>
+ * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * Maintainer: Deepak Saxena <dsaxena@mvista.com>
+ * Maintainer: Alexandros C. Couloumbis <alex@ozo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach/pci.h>
+
+#define SLOT0_DEVID	1
+#define SLOT1_DEVID	3
+
+/* PCI controller GPIO to IRQ pin mappings */
+#define SLOT0_INTA	11
+#define SLOT1_INTA	9
+
+void __init tw2662_pci_preinit(void)
+{
+	irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW);
+	irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTA), IRQ_TYPE_LEVEL_LOW);
+	ixp4xx_pci_preinit();
+}
+
+static int __init tw2662_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if (slot == SLOT0_DEVID)
+		return IXP4XX_GPIO_IRQ(SLOT0_INTA);
+	else if (slot == SLOT1_DEVID)
+		return IXP4XX_GPIO_IRQ(SLOT1_INTA);
+	else return -1;
+}
+
+struct hw_pci tw2662_pci __initdata = {
+	.nr_controllers = 1,
+	.preinit =        tw2662_pci_preinit,
+	.swizzle =        pci_std_swizzle,
+	.setup =          ixp4xx_setup,
+	.scan =           ixp4xx_scan_bus,
+	.map_irq =        tw2662_map_irq,
+};
+
+int __init tw2662_pci_init(void)
+{
+        if (machine_is_tw2662())
+		pci_common_init(&tw2662_pci);
+        return 0;
+}
+
+subsys_initcall(tw2662_pci_init);
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/tw2662-setup.c
@@ -0,0 +1,213 @@
+/*
+ * arch/arm/mach-ixp4xx/tw2662-setup.c
+ *
+ * Titan Wireless TW-266-2
+ *
+ * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2010 Alexandros C. Couloumbis <alex@ozo.com>
+ *
+ * based on ap1000-setup.c:
+ * 	Author: Imre Kaloz <Kaloz@openwrt.org>
+ */
+
+#include <linux/if_ether.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_8250.h>
+#include <linux/slab.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/platform_device.h>
+
+#include <asm/io.h>
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+/* gpio mask used by platform device */
+#define TW2662_GPIO_MASK        (1 << 1) | (1 << 3) | (1 << 5) | (1 << 7)
+
+static struct flash_platform_data tw2662_flash_data = {
+	.map_name	= "cfi_probe",
+	.width		= 2,
+};
+
+static struct resource tw2662_flash_resource = {
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device tw2662_flash = {
+	.name		= "IXP4XX-Flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data = &tw2662_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &tw2662_flash_resource,
+};
+
+static struct resource tw2662_gpio_resources[] = {
+        {
+                .name   = "gpio",
+                /* FIXME: gpio mask should be model specific */
+                .start  = TW2662_GPIO_MASK,
+                .end    = TW2662_GPIO_MASK,
+                .flags  = 0,
+        },
+};
+
+static struct platform_device tw2662_gpio = {
+	.name			= "GPIODEV",
+	.id			= -1,
+	.num_resources		= ARRAY_SIZE(tw2662_gpio_resources),
+	.resource		= tw2662_gpio_resources,
+};
+
+static struct resource tw2662_uart_resources[] = {
+	{
+		.start		= IXP4XX_UART1_BASE_PHYS,
+		.end		= IXP4XX_UART1_BASE_PHYS + 0x0fff,
+		.flags		= IORESOURCE_MEM
+	},
+	{
+		.start		= IXP4XX_UART2_BASE_PHYS,
+		.end		= IXP4XX_UART2_BASE_PHYS + 0x0fff,
+		.flags		= IORESOURCE_MEM
+	}
+};
+
+static struct plat_serial8250_port tw2662_uart_data[] = {
+	{
+		.mapbase	= IXP4XX_UART1_BASE_PHYS,
+		.membase	= (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
+		.irq		= IRQ_IXP4XX_UART1,
+		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= IXP4XX_UART_XTAL,
+	},
+	{
+		.mapbase	= IXP4XX_UART2_BASE_PHYS,
+		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+		.irq		= IRQ_IXP4XX_UART2,
+		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= IXP4XX_UART_XTAL,
+	},
+	{ },
+};
+
+static struct platform_device tw2662_uart = {
+	.name			= "serial8250",
+	.id			= PLAT8250_DEV_PLATFORM,
+	.dev.platform_data	= tw2662_uart_data,
+	.num_resources		= 2,
+	.resource		= tw2662_uart_resources
+};
+
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct eth_plat_info tw2662_plat_eth[] = {
+        {
+                .phy            = 3,
+                .rxq            = 3,
+                .txreadyq       = 20,
+        }, {
+                .phy            = 1,
+                .rxq            = 4,
+                .txreadyq       = 21,
+        }
+};
+
+static struct platform_device tw2662_eth[] = {
+	{
+		.name			= "ixp4xx_eth",
+		.id			= IXP4XX_ETH_NPEB,
+		.dev.platform_data	= tw2662_plat_eth,
+	}, {
+		.name			= "ixp4xx_eth",
+		.id			= IXP4XX_ETH_NPEC,
+		.dev.platform_data	= tw2662_plat_eth + 1,
+	}
+};
+
+
+static struct platform_device *tw2662_devices[] __initdata = {
+	&tw2662_flash,
+	&tw2662_uart,
+	&tw2662_gpio,
+	&tw2662_eth[0],
+	&tw2662_eth[1],
+};
+
+static char tw2662_mem_fixup[] __initdata = "mem=64M ";
+
+static void __init tw2662_fixup(struct tag *tags, char **cmdline,
+				struct meminfo *mi)
+{
+	struct tag *t = tags;
+	char *p = *cmdline;
+
+	/* Find the end of the tags table, taking note of any cmdline tag. */
+	for (; t->hdr.size; t = tag_next(t)) {
+		if (t->hdr.tag == ATAG_CMDLINE) {
+			p = t->u.cmdline.cmdline;
+		}
+	}
+
+	/* Overwrite the end of the table with a new cmdline tag. */
+	t->hdr.tag = ATAG_CMDLINE;
+	t->hdr.size = (sizeof (struct tag_header) +
+		strlen(tw2662_mem_fixup) + strlen(p) + 1 + 4) >> 2;
+	strlcpy(t->u.cmdline.cmdline, tw2662_mem_fixup, COMMAND_LINE_SIZE);
+	strlcpy(t->u.cmdline.cmdline + strlen(tw2662_mem_fixup), p,
+		COMMAND_LINE_SIZE - strlen(tw2662_mem_fixup));
+
+	/* Terminate the table. */
+	t = tag_next(t);
+	t->hdr.tag = ATAG_NONE;
+	t->hdr.size = 0;
+}
+
+static void __init tw2662_init(void)
+{
+	ixp4xx_sys_init();
+
+	tw2662_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+	tw2662_flash_resource.end =
+		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
+
+	platform_add_devices(tw2662_devices, ARRAY_SIZE(tw2662_devices));
+
+	if (!(is_valid_ether_addr(tw2662_plat_eth[0].hwaddr)))
+		random_ether_addr(tw2662_plat_eth[0].hwaddr);
+	if (!(is_valid_ether_addr(tw2662_plat_eth[1].hwaddr))) {
+		memcpy(tw2662_plat_eth[1].hwaddr, tw2662_plat_eth[0].hwaddr, ETH_ALEN);
+		tw2662_plat_eth[1].hwaddr[5] = (tw2662_plat_eth[0].hwaddr[5] + 1);
+	}
+
+}
+
+#ifdef CONFIG_MACH_TW2662
+MACHINE_START(TW2662, "Titan Wireless TW-266-2")
+	/* Maintainer: Alexandros C. Couloumbis <alex@ozo.com> */
+	.fixup		= tw2662_fixup,
+	.map_io		= ixp4xx_map_io,
+	.init_irq	= ixp4xx_init_irq,
+	.timer		= &ixp4xx_timer,
+	.atag_offset	= 0x0100,
+	.init_machine	= tw2662_init,
+#if defined(CONFIG_PCI)
+	.dma_zone_size	= SZ_64M,
+#endif
+	.restart	= ixp4xx_restart,
+MACHINE_END
+#endif