add preliminary 2.6.32 support
[openwrt.git] / target / linux / ixp4xx / patches-2.6.32 / 130-wrt300nv2_support.patch
1 --- a/arch/arm/mach-ixp4xx/Kconfig
2 +++ b/arch/arm/mach-ixp4xx/Kconfig
3 @@ -97,6 +97,14 @@ config MACH_COMPEX
4           WP18 or NP18A boards. For more information on this
5           platform, see http://www.compex.com.sg/home/OEM/product_ap.htm
6  
7 +config MACH_WRT300NV2
8 +       bool "Linksys WRT300N v2"
9 +       select PCI
10 +       help
11 +         Say 'Y' here if you want your kernel to support Linksys' 
12 +         WRT300N v2 router. For more information on this
13 +         platform, see http://openwrt.org
14 +
15  config ARCH_IXDP425
16         bool "IXDP425"
17         help
18 --- a/arch/arm/mach-ixp4xx/Makefile
19 +++ b/arch/arm/mach-ixp4xx/Makefile
20 @@ -20,6 +20,7 @@ obj-pci-$(CONFIG_MACH_FSG)            += fsg-pci.o
21  obj-pci-$(CONFIG_MACH_PRONGHORN)       += pronghorn-pci.o
22  obj-pci-$(CONFIG_MACH_SIDEWINDER)      += sidewinder-pci.o
23  obj-pci-$(CONFIG_MACH_COMPEX)          += ixdp425-pci.o
24 +obj-pci-$(CONFIG_MACH_WRT300NV2)               += wrt300nv2-pci.o
25  
26  obj-y  += common.o
27  
28 @@ -39,6 +40,7 @@ obj-$(CONFIG_MACH_GORAMO_MLR) += goramo_
29  obj-$(CONFIG_MACH_PRONGHORN)   += pronghorn-setup.o
30  obj-$(CONFIG_MACH_SIDEWINDER)  += sidewinder-setup.o
31  obj-$(CONFIG_MACH_COMPEX)      += compex-setup.o
32 +obj-$(CONFIG_MACH_WRT300NV2)   += wrt300nv2-setup.o
33  
34  obj-$(CONFIG_PCI)              += $(obj-pci-$(CONFIG_PCI)) common-pci.o
35  obj-$(CONFIG_IXP4XX_QMGR)      += ixp4xx_qmgr.o
36 --- /dev/null
37 +++ b/arch/arm/mach-ixp4xx/wrt300nv2-pci.c
38 @@ -0,0 +1,65 @@
39 +/*
40 + * arch/arch/mach-ixp4xx/wrt300nv2-pci.c
41 + *
42 + * PCI setup routines for Linksys WRT300N v2
43 + *
44 + * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
45 + *
46 + * based on coyote-pci.c:
47 + *     Copyright (C) 2002 Jungo Software Technologies.
48 + *     Copyright (C) 2003 MontaVista Softwrae, Inc.
49 + *
50 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
51 + *
52 + * This program is free software; you can redistribute it and/or modify
53 + * it under the terms of the GNU General Public License version 2 as
54 + * published by the Free Software Foundation.
55 + *
56 + */
57 +
58 +#include <linux/kernel.h>
59 +#include <linux/pci.h>
60 +#include <linux/init.h>
61 +#include <linux/irq.h>
62 +
63 +#include <asm/mach-types.h>
64 +#include <mach/hardware.h>
65 +#include <asm/irq.h>
66 +
67 +#include <asm/mach/pci.h>
68 +
69 +extern void ixp4xx_pci_preinit(void);
70 +extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
71 +extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
72 +
73 +void __init wrt300nv2_pci_preinit(void)
74 +{
75 +       set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
76 +
77 +       ixp4xx_pci_preinit();
78 +}
79 +
80 +static int __init wrt300nv2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
81 +{
82 +       if (slot == 1)
83 +               return IRQ_IXP4XX_GPIO8;
84 +       else return -1;
85 +}
86 +
87 +struct hw_pci wrt300nv2_pci __initdata = {
88 +       .nr_controllers = 1,
89 +       .preinit =        wrt300nv2_pci_preinit,
90 +       .swizzle =        pci_std_swizzle,
91 +       .setup =          ixp4xx_setup,
92 +       .scan =           ixp4xx_scan_bus,
93 +       .map_irq =        wrt300nv2_map_irq,
94 +};
95 +
96 +int __init wrt300nv2_pci_init(void)
97 +{
98 +       if (machine_is_wrt300nv2())
99 +               pci_common_init(&wrt300nv2_pci);
100 +       return 0;
101 +}
102 +
103 +subsys_initcall(wrt300nv2_pci_init);
104 --- /dev/null
105 +++ b/arch/arm/mach-ixp4xx/wrt300nv2-setup.c
106 @@ -0,0 +1,108 @@
107 +/*
108 + * arch/arm/mach-ixp4xx/wrt300nv2-setup.c
109 + *
110 + * Board setup for the Linksys WRT300N v2
111 + *
112 + * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
113 + *
114 + * based on coyote-setup.c:
115 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
116 + *
117 + * Author: Imre Kaloz <Kaloz@openwrt.org>
118 + */
119 +
120 +#include <linux/kernel.h>
121 +#include <linux/init.h>
122 +#include <linux/device.h>
123 +#include <linux/serial.h>
124 +#include <linux/tty.h>
125 +#include <linux/serial_8250.h>
126 +#include <linux/slab.h>
127 +
128 +#include <asm/types.h>
129 +#include <asm/setup.h>
130 +#include <asm/memory.h>
131 +#include <mach/hardware.h>
132 +#include <asm/irq.h>
133 +#include <asm/mach-types.h>
134 +#include <asm/mach/arch.h>
135 +#include <asm/mach/flash.h>
136 +
137 +static struct flash_platform_data wrt300nv2_flash_data = {
138 +       .map_name       = "cfi_probe",
139 +       .width          = 2,
140 +};
141 +
142 +static struct resource wrt300nv2_flash_resource = {
143 +       .flags          = IORESOURCE_MEM,
144 +};
145 +
146 +static struct platform_device wrt300nv2_flash = {
147 +       .name           = "IXP4XX-Flash",
148 +       .id             = 0,
149 +       .dev            = {
150 +               .platform_data = &wrt300nv2_flash_data,
151 +       },
152 +       .num_resources  = 1,
153 +       .resource       = &wrt300nv2_flash_resource,
154 +};
155 +
156 +static struct resource wrt300nv2_uart_resource = {
157 +       .start  = IXP4XX_UART2_BASE_PHYS,
158 +       .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
159 +       .flags  = IORESOURCE_MEM,
160 +};
161 +
162 +static struct plat_serial8250_port wrt300nv2_uart_data[] = {
163 +       {
164 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
165 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
166 +               .irq            = IRQ_IXP4XX_UART2,
167 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
168 +               .iotype         = UPIO_MEM,
169 +               .regshift       = 2,
170 +               .uartclk        = IXP4XX_UART_XTAL,
171 +       },
172 +       { },
173 +};
174 +
175 +static struct platform_device wrt300nv2_uart = {
176 +       .name           = "serial8250",
177 +       .id             = PLAT8250_DEV_PLATFORM,
178 +       .dev                    = {
179 +               .platform_data  = wrt300nv2_uart_data,
180 +       },
181 +       .num_resources  = 1,
182 +       .resource       = &wrt300nv2_uart_resource,
183 +};
184 +
185 +static struct platform_device *wrt300nv2_devices[] __initdata = {
186 +       &wrt300nv2_flash,
187 +       &wrt300nv2_uart
188 +};
189 +
190 +static void __init wrt300nv2_init(void)
191 +{
192 +       ixp4xx_sys_init();
193 +
194 +       wrt300nv2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
195 +       wrt300nv2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
196 +
197 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
198 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
199 +
200 +       platform_add_devices(wrt300nv2_devices, ARRAY_SIZE(wrt300nv2_devices));
201 +}
202 +
203 +#ifdef CONFIG_MACH_WRT300NV2
204 +MACHINE_START(WRT300NV2, "Linksys WRT300N v2")
205 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
206 +       .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
207 +       .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
208 +       .map_io         = ixp4xx_map_io,
209 +       .init_irq       = ixp4xx_init_irq,
210 +       .timer          = &ixp4xx_timer,
211 +       .boot_params    = 0x0100,
212 +       .init_machine   = wrt300nv2_init,
213 +MACHINE_END
214 +#endif
215 --- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
216 +++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
217 @@ -42,7 +42,7 @@ static __inline__ void __arch_decomp_set
218          */
219         if (machine_is_adi_coyote() || machine_is_gtwx5715() ||
220                          machine_is_gateway7001() || machine_is_wg302v2() ||
221 -                        machine_is_pronghorn() || machine_is_pronghorn_metro())
222 +                        machine_is_pronghorn() || machine_is_pronghorn_metro() || machine_is_wrt300nv2())
223                 uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
224         else
225                 uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;