summaryrefslogtreecommitdiffstats
path: root/target/linux/ixp4xx/patches-2.6.23/140-sidewinder_support.patch
blob: 024eb6198eef0be36489551060cf2b5919a51905 (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
Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/Kconfig
===================================================================
--- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/Kconfig
+++ linux-2.6.23.17/arch/arm/mach-ixp4xx/Kconfig
@@ -65,6 +65,14 @@ config MACH_PRONGHORNMETRO
 	  Engineering Pronghorn Metro Platform. For more
 	  information on this platform, see <file:Documentation/arm/IXP4xx>.
 
+config MACH_SIDEWINDER
+	bool "Sidewinder"
+	select PCI
+	help
+	  Say 'Y' here if you want your kernel to support the ADI 
+	  Engineering Sidewinder Platform. For more
+	  information on this platform, see <file:Documentation/arm/IXP4xx>.
+
 config MACH_COMPEX
 	bool "Compex WP18 / NP18A"
 	select PCI
@@ -163,7 +171,7 @@ config MACH_FSG
 #
 config CPU_IXP46X
 	bool
-	depends on MACH_IXDP465
+	depends on MACH_IXDP465 || MACH_SIDEWINDER
 	default y
 
 config CPU_IXP43X
Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/Makefile
===================================================================
--- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/Makefile
+++ linux-2.6.23.17/arch/arm/mach-ixp4xx/Makefile
@@ -19,6 +19,7 @@ obj-pci-$(CONFIG_MACH_FSG)		+= fsg-pci.o
 obj-pci-$(CONFIG_MACH_PRONGHORNMETRO)	+= pronghornmetro-pci.o
 obj-pci-$(CONFIG_MACH_COMPEX)		+= ixdp425-pci.o
 obj-pci-$(CONFIG_MACH_WRT300NV2)		+= wrt300nv2-pci.o
+obj-pci-$(CONFIG_MACH_SIDEWINDER)		+= sidewinder-pci.o
 
 obj-y	+= common.o
 
@@ -36,5 +37,6 @@ obj-$(CONFIG_MACH_FSG)		+= fsg-setup.o f
 obj-$(CONFIG_MACH_PRONGHORNMETRO)	+= pronghornmetro-setup.o
 obj-$(CONFIG_MACH_COMPEX)	+= compex-setup.o
 obj-$(CONFIG_MACH_WRT300NV2)	+= wrt300nv2-setup.o
+obj-$(CONFIG_MACH_SIDEWINDER)	+= sidewinder-setup.o
 
 obj-$(CONFIG_PCI)		+= $(obj-pci-$(CONFIG_PCI)) common-pci.o
Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/sidewinder-pci.c
===================================================================
--- /dev/null
+++ linux-2.6.23.17/arch/arm/mach-ixp4xx/sidewinder-pci.c
@@ -0,0 +1,71 @@
+/*
+ * arch/arch/mach-ixp4xx/pronghornmetro-pci.c
+ *
+ * PCI setup routines for ADI Engineering Sidewinder
+ *
+ * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * based on coyote-pci.c:
+ *	Copyright (C) 2002 Jungo Software Technologies.
+ *	Copyright (C) 2003 MontaVista Softwrae, Inc.
+ *
+ * Maintainer: Imre Kaloz <kaloz@openwrt.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 <asm/hardware.h>
+#include <asm/irq.h>
+
+#include <asm/mach/pci.h>
+
+extern void ixp4xx_pci_preinit(void);
+extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
+extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
+
+void __init sidewinder_pci_preinit(void)
+{
+	set_irq_type(IRQ_IXP4XX_GPIO11, IRQT_LOW);
+	set_irq_type(IRQ_IXP4XX_GPIO10, IRQT_LOW);
+	set_irq_type(IRQ_IXP4XX_GPIO9, IRQT_LOW);
+
+	ixp4xx_pci_preinit();
+}
+
+static int __init sidewinder_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if (slot == 1)
+		return IRQ_IXP4XX_GPIO11;
+	else if (slot == 2)
+		return IRQ_IXP4XX_GPIO10;
+	else if (slot == 3)
+		return IRQ_IXP4XX_GPIO9;
+	else return -1;
+}
+
+struct hw_pci sidewinder_pci __initdata = {
+	.nr_controllers = 1,
+	.preinit =        sidewinder_pci_preinit,
+	.swizzle =        pci_std_swizzle,
+	.setup =          ixp4xx_setup,
+	.scan =           ixp4xx_scan_bus,
+	.map_irq =        sidewinder_map_irq,
+};
+
+int __init sidewinder_pci_init(void)
+{
+	if (machine_is_sidewinder())
+		pci_common_init(&sidewinder_pci);
+	return 0;
+}
+
+subsys_initcall(sidewinder_pci_init);
Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/sidewinder-setup.c
===================================================================
--- /dev/null
+++ linux-2.6.23.17/arch/arm/mach-ixp4xx/sidewinder-setup.c
@@ -0,0 +1,115 @@
+/*
+ * arch/arm/mach-ixp4xx/sidewinder-setup.c
+ *
+ * Board setup for the ADI Engineering Sidewinder
+ *
+ * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
+ *
+ * based on coyote-setup.c:
+ *      Copyright (C) 2003-2005 MontaVista Software, Inc.
+ *
+ * Author: Imre Kaloz <Kaloz@openwrt.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+static struct flash_platform_data sidewinder_flash_data = {
+	.map_name	= "cfi_probe",
+	.width		= 2,
+};
+
+static struct resource sidewinder_flash_resource = {
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device sidewinder_flash = {
+	.name		= "IXP4XX-Flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data = &sidewinder_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &sidewinder_flash_resource,
+};
+
+static struct resource sidewinder_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 sidewinder_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 sidewinder_uart = {
+	.name		= "serial8250",
+	.id		= PLAT8250_DEV_PLATFORM,
+	.dev			= {
+		.platform_data	= sidewinder_uart_data,
+	},
+	.num_resources	= ARRAY_SIZE(sidewinder_uart_resources),
+	.resource	= sidewinder_uart_resources,
+};
+
+static struct platform_device *sidewinder_devices[] __initdata = {
+	&sidewinder_flash,
+	&sidewinder_uart,
+};
+
+static void __init sidewinder_init(void)
+{
+	ixp4xx_sys_init();
+
+	sidewinder_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+	sidewinder_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_64M - 1;
+
+	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
+	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
+
+	platform_add_devices(sidewinder_devices, ARRAY_SIZE(sidewinder_devices));
+}
+
+#ifdef CONFIG_MACH_SIDEWINDER
+MACHINE_START(SIDEWINDER, "ADI Engineering Sidewinder")
+	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
+	.phys_io	= IXP4XX_PERIPHERAL_BASE_PHYS,
+	.io_pg_offst	= ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
+	.map_io		= ixp4xx_map_io,
+	.init_irq	= ixp4xx_init_irq,
+	.timer		= &ixp4xx_timer,
+	.boot_params	= 0x0100,
+	.init_machine	= sidewinder_init,
+MACHINE_END
+#endif