summaryrefslogtreecommitdiff
path: root/target/linux/ixp4xx/patches-3.18/500-usr8200_support.patch
blob: fb7f03ee1afc0665eeaf23eaaadab6027620cbb4 (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
335
336
337
338
339
340
341
342
343
344
345
346
347
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -93,6 +93,14 @@ config MACH_SIDEWINDER
 	  Engineering Sidewinder board. For more information on this
 	  platform, see http://www.adiengineering.com
 
+config MACH_USR8200
+	bool "USRobotics USR8200"
+	select PCI
+	help
+	  Say 'Y' here if you want your kernel to support the USRobotics
+	  USR8200 router board. For more information on this platform, see
+	  http://openwrt.org
+
 config MACH_COMPEXWP18
 	bool "Compex WP18 / NP18A"
 	select PCI
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -27,6 +27,7 @@ obj-pci-$(CONFIG_MACH_WRT300NV2)		+= wrt
 obj-pci-$(CONFIG_MACH_AP1000)		+= ixdp425-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
 
 obj-y	+= common.o
 
@@ -55,6 +56,7 @@ obj-$(CONFIG_MACH_WRT300NV2)	+= wrt300nv
 obj-$(CONFIG_MACH_AP1000)	+= ap1000-setup.o
 obj-$(CONFIG_MACH_TW5334)	+= tw5334-setup.o
 obj-$(CONFIG_MACH_MI424WR)	+= mi424wr-setup.o
+obj-$(CONFIG_MACH_USR8200)	+= usr8200-setup.o
 
 obj-$(CONFIG_PCI)		+= $(obj-pci-$(CONFIG_PCI)) common-pci.o
 obj-$(CONFIG_IXP4XX_QMGR)	+= ixp4xx_qmgr.o
--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
+++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
@@ -44,7 +44,8 @@ static __inline__ void __arch_decomp_set
 	    machine_is_gateway7001() || machine_is_wg302v2() ||
 	    machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
 	    machine_is_pronghorn() || machine_is_pronghorn_metro() ||
-	    machine_is_wrt300nv2() || machine_is_tw5334())
+	    machine_is_wrt300nv2() || machine_is_tw5334() ||
+	    machine_is_usr8200())
 		uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
 	else
 		uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/usr8200-pci.c
@@ -0,0 +1,77 @@
+/*
+ * arch/arch/mach-ixp4xx/usr8200-pci.c
+ *
+ * PCI setup routines for USRobotics USR8200
+ *
+ * Copyright (C) 2008 Peter Denison <openwrt@marshadder.org>
+ *
+ * based on pronghorn-pci.c
+ * 	Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ * based on coyote-pci.c:
+ *	Copyright (C) 2002 Jungo Software Technologies.
+ *	Copyright (C) 2003 MontaVista Softwrae, Inc.
+ *
+ * Maintainer: Peter Denison <openwrt@marshadder.org>
+ *
+ * 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/mach/pci.h>
+
+void __init usr8200_pci_preinit(void)
+{
+	irq_set_irq_type(IRQ_IXP4XX_GPIO7, IRQ_TYPE_LEVEL_LOW);
+	irq_set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
+	irq_set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW);
+	irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
+	irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
+
+	ixp4xx_pci_preinit();
+}
+
+static int __init usr8200_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if (slot == 14)
+		return IRQ_IXP4XX_GPIO7;
+	else if (slot == 15)
+		return IRQ_IXP4XX_GPIO8;
+	else if (slot == 16) {
+		if (pin == 1)
+			return IRQ_IXP4XX_GPIO11;
+		else if (pin == 2)
+			return IRQ_IXP4XX_GPIO10;
+		else if (pin == 3)
+			return IRQ_IXP4XX_GPIO9;
+		else
+			return -1;
+	} else
+		return -1;
+}
+
+struct hw_pci usr8200_pci __initdata = {
+	.nr_controllers	= 1,
+	.preinit	= usr8200_pci_preinit,
+	.ops		= &ixp4xx_ops,
+	.setup		= ixp4xx_setup,
+	.map_irq	= usr8200_map_irq,
+};
+
+int __init usr8200_pci_init(void)
+{
+	if (machine_is_usr8200())
+		pci_common_init(&usr8200_pci);
+	return 0;
+}
+
+subsys_initcall(usr8200_pci_init);
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/usr8200-setup.c
@@ -0,0 +1,217 @@
+/*
+ * arch/arm/mach-ixp4xx/usr8200-setup.c
+ *
+ * Board setup for the USRobotics USR8200
+ *
+ * Copyright (C) 2008 Peter Denison <openwrt@marshadder.org>
+ *
+ * based on pronghorn-setup.c:
+ * 	Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ * based on coyote-setup.c:
+ *      Copyright (C) 2003-2005 MontaVista Software, Inc.
+ *
+ * Author: Peter Denison <openwrt@marshadder.org>
+ */
+
+#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/types.h>
+#include <linux/memory.h>
+#include <linux/i2c-gpio.h>
+#include <linux/leds.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/setup.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+static struct flash_platform_data usr8200_flash_data = {
+	.map_name	= "cfi_probe",
+	.width		= 2,
+};
+
+static struct resource usr8200_flash_resource = {
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device usr8200_flash = {
+	.name		= "IXP4XX-Flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &usr8200_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &usr8200_flash_resource,
+};
+
+static struct resource usr8200_uart_resources [] = {
+	{
+		.start		= IXP4XX_UART2_BASE_PHYS,
+		.end		= IXP4XX_UART2_BASE_PHYS + 0x0fff,
+		.flags		= IORESOURCE_MEM
+	},
+	{
+		.start		= IXP4XX_UART1_BASE_PHYS,
+		.end		= IXP4XX_UART1_BASE_PHYS + 0x0fff,
+		.flags		= IORESOURCE_MEM
+	}
+};
+
+static struct plat_serial8250_port usr8200_uart_data[] = {
+	{
+		.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,
+	},
+	{
+		.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,
+	},
+	{ },
+};
+
+static struct platform_device usr8200_uart = {
+	.name		= "serial8250",
+	.id		= PLAT8250_DEV_PLATFORM,
+	.dev		= {
+		.platform_data	= usr8200_uart_data,
+	},
+	.num_resources	= 2,
+	.resource	= usr8200_uart_resources,
+};
+
+static struct gpio_led usr8200_led_pin[] = {
+	{
+		.name		= "usr8200:usb1",
+		.gpio		= 0,
+		.active_low	= 1,
+	},
+	{
+		.name		= "usr8200:usb2",
+		.gpio		= 1,
+		.active_low	= 1,
+	},
+	{
+		.name		= "usr8200:ieee1394",
+		.gpio		= 2,
+		.active_low	= 1,
+	},
+	{
+		.name		= "usr8200:internal",
+		.gpio		= 3,
+		.active_low	= 1,
+	},
+	{
+		.name		= "usr8200:power",
+		.gpio		= 14,
+	}
+};
+
+static struct gpio_led_platform_data usr8200_led_data = {
+	.num_leds		= ARRAY_SIZE(usr8200_led_pin),
+	.leds			= usr8200_led_pin,
+};
+
+static struct platform_device usr8200_led = {
+	.name			= "leds-gpio",
+	.id			= -1,
+	.dev.platform_data	= &usr8200_led_data,
+};
+
+static struct eth_plat_info usr8200_plat_eth[] = {
+	{ /* NPEC - LAN with Marvell 88E6060 switch */
+		.phy		= IXP4XX_ETH_PHY_MAX_ADDR,
+		.phy_mask	= 0x0F0000,
+		.rxq		= 4,
+		.txreadyq	= 21,
+	}, { /* NPEB - WAN */
+		.phy		= 9,
+		.rxq		= 3,
+		.txreadyq	= 20,
+	}
+};
+
+static struct platform_device usr8200_eth[] = {
+	{
+		.name			= "ixp4xx_eth",
+		.id			= IXP4XX_ETH_NPEC,
+		.dev.platform_data	= usr8200_plat_eth,
+		.dev.coherent_dma_mask	= DMA_BIT_MASK(32),
+	}, {
+		.name			= "ixp4xx_eth",
+		.id			= IXP4XX_ETH_NPEB,
+		.dev.platform_data	= usr8200_plat_eth + 1,
+		.dev.coherent_dma_mask	= DMA_BIT_MASK(32),
+	}
+};
+
+static struct resource usr8200_rtc_resources = {
+	.flags		= IORESOURCE_MEM
+};
+
+static struct platform_device usr8200_rtc = {
+	.name		= "rtc7301",
+	.id		= 0,
+	.num_resources	= 1,
+	.resource	= &usr8200_rtc_resources,
+};
+
+static struct platform_device *usr8200_devices[] __initdata = {
+	&usr8200_flash,
+	&usr8200_uart,
+	&usr8200_led,
+	&usr8200_eth[0],
+	&usr8200_eth[1],
+	&usr8200_rtc,
+};
+
+static void __init usr8200_init(void)
+{
+	ixp4xx_sys_init();
+
+	usr8200_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+	usr8200_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_16M - 1;
+
+	usr8200_rtc_resources.start = IXP4XX_EXP_BUS_BASE(2);
+	usr8200_rtc_resources.end = IXP4XX_EXP_BUS_BASE(2) + 0x01ff;
+
+	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
+	*IXP4XX_EXP_CS2 = 0x3fff000 | IXP4XX_EXP_BUS_SIZE(0) | IXP4XX_EXP_BUS_WR_EN |
+	                  IXP4XX_EXP_BUS_CS_EN | IXP4XX_EXP_BUS_BYTE_EN;
+	*IXP4XX_GPIO_GPCLKR = 0x01100000;
+
+	/* configure button as input */
+	gpio_line_config(12, IXP4XX_GPIO_IN);
+
+	platform_add_devices(usr8200_devices, ARRAY_SIZE(usr8200_devices));
+}
+
+MACHINE_START(USR8200, "USRobotics USR8200")
+	/* Maintainer: Peter Denison <openwrt@marshadder.org> */
+	.map_io		= ixp4xx_map_io,
+	.init_irq	= ixp4xx_init_irq,
+	.init_time	= ixp4xx_timer_init,
+	.atag_offset	= 0x0100,
+	.init_machine	= usr8200_init,
+#if defined(CONFIG_PCI)
+	.dma_zone_size	= SZ_64M,
+#endif
+	.restart	= ixp4xx_restart,
+MACHINE_END