aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ixp4xx/patches-3.3/130-wrt300nv2_support.patch
blob: 638af2903133ad9eb573a7421c03424beb70eec6 (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
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -97,6 +97,14 @@ config MACH_COMPEX
 	  WP18 or NP18A boards. For more information on this
 	  platform, see http://www.compex.com.sg/home/OEM/product_ap.htm
 
+config MACH_WRT300NV2
+	bool "Linksys WRT300N v2"
+	select PCI
+	help
+	  Say 'Y' here if you want your kernel to support Linksys'
+	  WRT300N v2 router. For more information on this
+	  platform, see http://openwrt.org
+
 config ARCH_IXDP425
 	bool "IXDP425"
 	help
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -22,6 +22,7 @@ obj-pci-$(CONFIG_MACH_ARCOM_VULCAN)	+= v
 obj-pci-$(CONFIG_MACH_PRONGHORN)	+= pronghorn-pci.o
 obj-pci-$(CONFIG_MACH_SIDEWINDER)	+= sidewinder-pci.o
 obj-pci-$(CONFIG_MACH_COMPEX)		+= ixdp425-pci.o
+obj-pci-$(CONFIG_MACH_WRT300NV2)		+= wrt300nv2-pci.o
 
 obj-y	+= common.o
 
@@ -45,6 +46,7 @@ obj-$(CONFIG_MACH_ARCOM_VULCAN)	+= vulca
 obj-$(CONFIG_MACH_PRONGHORN)	+= pronghorn-setup.o
 obj-$(CONFIG_MACH_SIDEWINDER)	+= sidewinder-setup.o
 obj-$(CONFIG_MACH_COMPEX)	+= compex-setup.o
+obj-$(CONFIG_MACH_WRT300NV2)	+= wrt300nv2-setup.o
 
 obj-$(CONFIG_PCI)		+= $(obj-pci-$(CONFIG_PCI)) common-pci.o
 obj-$(CONFIG_IXP4XX_QMGR)	+= ixp4xx_qmgr.o
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/wrt300nv2-pci.c
@@ -0,0 +1,65 @@
+/*
+ * arch/arch/mach-ixp4xx/wrt300nv2-pci.c
+ *
+ * PCI setup routines for Linksys WRT300N v2
+ *
+ * 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 <mach/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 wrt300nv2_pci_preinit(void)
+{
+	irq_set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
+
+	ixp4xx_pci_preinit();
+}
+
+static int __init wrt300nv2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if (slot == 1)
+		return IRQ_IXP4XX_GPIO8;
+	else return -1;
+}
+
+struct hw_pci wrt300nv2_pci __initdata = {
+	.nr_controllers = 1,
+	.preinit =        wrt300nv2_pci_preinit,
+	.swizzle =        pci_std_swizzle,
+	.setup =          ixp4xx_setup,
+	.scan =           ixp4xx_scan_bus,
+	.map_irq =        wrt300nv2_map_irq,
+};
+
+int __init wrt300nv2_pci_init(void)
+{
+	if (machine_is_wrt300nv2())
+		pci_common_init(&wrt300nv2_pci);
+	return 0;
+}
+
+subsys_initcall(wrt300nv2_pci_init);
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/wrt300nv2-setup.c
@@ -0,0 +1,110 @@
+/*
+ * arch/arm/mach-ixp4xx/wrt300nv2-setup.c
+ *
+ * Board setup for the Linksys WRT300N v2
+ *
+ * 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/init.h>
+#include <linux/device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_8250.h>
+#include <linux/slab.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.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 wrt300nv2_flash_data = {
+	.map_name	= "cfi_probe",
+	.width		= 2,
+};
+
+static struct resource wrt300nv2_flash_resource = {
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device wrt300nv2_flash = {
+	.name		= "IXP4XX-Flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data = &wrt300nv2_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &wrt300nv2_flash_resource,
+};
+
+static struct resource wrt300nv2_uart_resource = {
+	.start	= IXP4XX_UART2_BASE_PHYS,
+	.end	= IXP4XX_UART2_BASE_PHYS + 0x0fff,
+	.flags	= IORESOURCE_MEM,
+};
+
+static struct plat_serial8250_port wrt300nv2_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,
+	},
+	{ },
+};
+
+static struct platform_device wrt300nv2_uart = {
+	.name		= "serial8250",
+	.id		= PLAT8250_DEV_PLATFORM,
+	.dev			= {
+		.platform_data	= wrt300nv2_uart_data,
+	},
+	.num_resources	= 1,
+	.resource	= &wrt300nv2_uart_resource,
+};
+
+static struct platform_device *wrt300nv2_devices[] __initdata = {
+	&wrt300nv2_flash,
+	&wrt300nv2_uart
+};
+
+static void __init wrt300nv2_init(void)
+{
+	ixp4xx_sys_init();
+
+	wrt300nv2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+	wrt300nv2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
+
+	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
+	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
+
+	platform_add_devices(wrt300nv2_devices, ARRAY_SIZE(wrt300nv2_devices));
+}
+
+#ifdef CONFIG_MACH_WRT300NV2
+MACHINE_START(WRT300NV2, "Linksys WRT300N v2")
+	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
+	.map_io		= ixp4xx_map_io,
+	.init_irq	= ixp4xx_init_irq,
+	.timer		= &ixp4xx_timer,
+	.atag_offset	= 0x0100,
+	.init_machine	= wrt300nv2_init,
+#if defined(CONFIG_PCI)
+	.dma_zone_size	= SZ_64M,
+#endif
+	.restart	= ixp4xx_restart,
+MACHINE_END
+#endif
--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
+++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
@@ -43,7 +43,8 @@ static __inline__ void __arch_decomp_set
 	if (machine_is_adi_coyote() || machine_is_gtwx5715() ||
 	    machine_is_gateway7001() || machine_is_wg302v2() ||
 	    machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
-	    machine_is_pronghorn() || machine_is_pronghorn_metro())
+	    machine_is_pronghorn() || machine_is_pronghorn_metro() ||
+	    machine_is_wrt300nv2())
 		uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
 	else
 		uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;