add generic gpio char dev for CONFIG_GENERIC_GPIO archs
[openwrt.git] / target / linux / ixp4xx / patches-2.6.23 / 140-sidewinder_support.patch
1 diff -Nur linux-2.6.23/arch/arm/mach-ixp4xx/Kconfig linux-2.6.23-owrt/arch/arm/mach-ixp4xx/Kconfig
2 --- linux-2.6.23/arch/arm/mach-ixp4xx/Kconfig   2007-10-23 19:20:08.000000000 +0200
3 +++ linux-2.6.23-owrt/arch/arm/mach-ixp4xx/Kconfig      2007-10-23 19:26:46.000000000 +0200
4 @@ -65,6 +65,14 @@
5           Engineering Pronghorn Metro Platform. For more
6           information on this platform, see <file:Documentation/arm/IXP4xx>.
7  
8 +config MACH_SIDEWINDER
9 +       bool "Sidewinder"
10 +       select PCI
11 +       help
12 +         Say 'Y' here if you want your kernel to support the ADI 
13 +         Engineering Sidewinder Platform. For more
14 +         information on this platform, see <file:Documentation/arm/IXP4xx>.
15 +
16  config MACH_COMPEX
17         bool "Compex WP18 / NP18A"
18         select PCI
19 @@ -163,7 +171,7 @@
20  #
21  config CPU_IXP46X
22         bool
23 -       depends on MACH_IXDP465
24 +       depends on MACH_IXDP465 || MACH_SIDEWINDER
25         default y
26  
27  config CPU_IXP43X
28 diff -Nur linux-2.6.23/arch/arm/mach-ixp4xx/Makefile linux-2.6.23-owrt/arch/arm/mach-ixp4xx/Makefile
29 --- linux-2.6.23/arch/arm/mach-ixp4xx/Makefile  2007-10-23 19:20:08.000000000 +0200
30 +++ linux-2.6.23-owrt/arch/arm/mach-ixp4xx/Makefile     2007-10-23 19:23:52.000000000 +0200
31 @@ -19,6 +19,7 @@
32  obj-pci-$(CONFIG_MACH_PRONGHORNMETRO)  += pronghornmetro-pci.o
33  obj-pci-$(CONFIG_MACH_COMPEX)          += ixdp425-pci.o
34  obj-pci-$(CONFIG_MACH_WRT300NV2)               += wrt300nv2-pci.o
35 +obj-pci-$(CONFIG_MACH_SIDEWINDER)              += sidewinder-pci.o
36  
37  obj-y  += common.o
38  
39 @@ -36,6 +37,7 @@
40  obj-$(CONFIG_MACH_PRONGHORNMETRO)      += pronghornmetro-setup.o
41  obj-$(CONFIG_MACH_COMPEX)      += compex-setup.o
42  obj-$(CONFIG_MACH_WRT300NV2)   += wrt300nv2-setup.o
43 +obj-$(CONFIG_MACH_SIDEWINDER)  += sidewinder-setup.o
44  
45  obj-$(CONFIG_PCI)              += $(obj-pci-$(CONFIG_PCI)) common-pci.o
46  obj-$(CONFIG_IXP4XX_QMGR)      += ixp4xx_qmgr.o
47 diff -Nur linux-2.6.23/arch/arm/mach-ixp4xx/sidewinder-pci.c linux-2.6.23-owrt/arch/arm/mach-ixp4xx/sidewinder-pci.c
48 --- linux-2.6.23/arch/arm/mach-ixp4xx/sidewinder-pci.c  1970-01-01 01:00:00.000000000 +0100
49 +++ linux-2.6.23-owrt/arch/arm/mach-ixp4xx/sidewinder-pci.c     2007-10-23 19:23:52.000000000 +0200
50 @@ -0,0 +1,71 @@
51 +/*
52 + * arch/arch/mach-ixp4xx/pronghornmetro-pci.c
53 + *
54 + * PCI setup routines for ADI Engineering Sidewinder
55 + *
56 + * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
57 + *
58 + * based on coyote-pci.c:
59 + *     Copyright (C) 2002 Jungo Software Technologies.
60 + *     Copyright (C) 2003 MontaVista Softwrae, Inc.
61 + *
62 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
63 + *
64 + * This program is free software; you can redistribute it and/or modify
65 + * it under the terms of the GNU General Public License version 2 as
66 + * published by the Free Software Foundation.
67 + *
68 + */
69 +
70 +#include <linux/kernel.h>
71 +#include <linux/pci.h>
72 +#include <linux/init.h>
73 +#include <linux/irq.h>
74 +
75 +#include <asm/mach-types.h>
76 +#include <asm/hardware.h>
77 +#include <asm/irq.h>
78 +
79 +#include <asm/mach/pci.h>
80 +
81 +extern void ixp4xx_pci_preinit(void);
82 +extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
83 +extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
84 +
85 +void __init sidewinder_pci_preinit(void)
86 +{
87 +       set_irq_type(IRQ_IXP4XX_GPIO11, IRQT_LOW);
88 +       set_irq_type(IRQ_IXP4XX_GPIO10, IRQT_LOW);
89 +       set_irq_type(IRQ_IXP4XX_GPIO9, IRQT_LOW);
90 +
91 +       ixp4xx_pci_preinit();
92 +}
93 +
94 +static int __init sidewinder_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
95 +{
96 +       if (slot == 1)
97 +               return IRQ_IXP4XX_GPIO11;
98 +       else if (slot == 2)
99 +               return IRQ_IXP4XX_GPIO10;
100 +       else if (slot == 3)
101 +               return IRQ_IXP4XX_GPIO9;
102 +       else return -1;
103 +}
104 +
105 +struct hw_pci sidewinder_pci __initdata = {
106 +       .nr_controllers = 1,
107 +       .preinit =        sidewinder_pci_preinit,
108 +       .swizzle =        pci_std_swizzle,
109 +       .setup =          ixp4xx_setup,
110 +       .scan =           ixp4xx_scan_bus,
111 +       .map_irq =        sidewinder_map_irq,
112 +};
113 +
114 +int __init sidewinder_pci_init(void)
115 +{
116 +       if (machine_is_sidewinder())
117 +               pci_common_init(&sidewinder_pci);
118 +       return 0;
119 +}
120 +
121 +subsys_initcall(sidewinder_pci_init);
122 diff -Nur linux-2.6.23/arch/arm/mach-ixp4xx/sidewinder-setup.c linux-2.6.23-owrt/arch/arm/mach-ixp4xx/sidewinder-setup.c
123 --- linux-2.6.23/arch/arm/mach-ixp4xx/sidewinder-setup.c        1970-01-01 01:00:00.000000000 +0100
124 +++ linux-2.6.23-owrt/arch/arm/mach-ixp4xx/sidewinder-setup.c   2007-10-23 19:23:52.000000000 +0200
125 @@ -0,0 +1,115 @@
126 +/*
127 + * arch/arm/mach-ixp4xx/sidewinder-setup.c
128 + *
129 + * Board setup for the ADI Engineering Sidewinder
130 + *
131 + * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
132 + *
133 + * based on coyote-setup.c:
134 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
135 + *
136 + * Author: Imre Kaloz <Kaloz@openwrt.org>
137 + */
138 +
139 +#include <linux/kernel.h>
140 +#include <linux/serial.h>
141 +#include <linux/serial_8250.h>
142 +
143 +#include <asm/mach-types.h>
144 +#include <asm/mach/arch.h>
145 +#include <asm/mach/flash.h>
146 +
147 +static struct flash_platform_data sidewinder_flash_data = {
148 +       .map_name       = "cfi_probe",
149 +       .width          = 2,
150 +};
151 +
152 +static struct resource sidewinder_flash_resource = {
153 +       .flags          = IORESOURCE_MEM,
154 +};
155 +
156 +static struct platform_device sidewinder_flash = {
157 +       .name           = "IXP4XX-Flash",
158 +       .id             = 0,
159 +       .dev            = {
160 +               .platform_data = &sidewinder_flash_data,
161 +       },
162 +       .num_resources  = 1,
163 +       .resource       = &sidewinder_flash_resource,
164 +};
165 +
166 +static struct resource sidewinder_uart_resources[] = {
167 +       {
168 +       .start  = IXP4XX_UART1_BASE_PHYS,
169 +       .end    = IXP4XX_UART1_BASE_PHYS + 0x0fff,
170 +       .flags  = IORESOURCE_MEM,
171 +       },
172 +       {
173 +       .start  = IXP4XX_UART2_BASE_PHYS,
174 +       .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
175 +       .flags  = IORESOURCE_MEM,
176 +       }
177 +};
178 +
179 +static struct plat_serial8250_port sidewinder_uart_data[] = {
180 +       {
181 +               .mapbase        = IXP4XX_UART1_BASE_PHYS,
182 +               .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
183 +               .irq            = IRQ_IXP4XX_UART1,
184 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
185 +               .iotype         = UPIO_MEM,
186 +               .regshift       = 2,
187 +               .uartclk        = IXP4XX_UART_XTAL,
188 +       },
189 +       {
190 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
191 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
192 +               .irq            = IRQ_IXP4XX_UART2,
193 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
194 +               .iotype         = UPIO_MEM,
195 +               .regshift       = 2,
196 +               .uartclk        = IXP4XX_UART_XTAL,
197 +       },
198 +       { },
199 +};
200 +
201 +static struct platform_device sidewinder_uart = {
202 +       .name           = "serial8250",
203 +       .id             = PLAT8250_DEV_PLATFORM,
204 +       .dev                    = {
205 +               .platform_data  = sidewinder_uart_data,
206 +       },
207 +       .num_resources  = 2,
208 +       .resource       = &sidewinder_uart_resources,
209 +};
210 +
211 +static struct platform_device *sidewinder_devices[] __initdata = {
212 +       &sidewinder_flash,
213 +       &sidewinder_uart,
214 +};
215 +
216 +static void __init sidewinder_init(void)
217 +{
218 +       ixp4xx_sys_init();
219 +
220 +       sidewinder_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
221 +       sidewinder_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_64M - 1;
222 +
223 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
224 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
225 +
226 +       platform_add_devices(sidewinder_devices, ARRAY_SIZE(sidewinder_devices));
227 +}
228 +
229 +#ifdef CONFIG_MACH_SIDEWINDER
230 +MACHINE_START(SIDEWINDER, "ADI Engineering Sidewinder")
231 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
232 +       .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
233 +       .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
234 +       .map_io         = ixp4xx_map_io,
235 +       .init_irq       = ixp4xx_init_irq,
236 +       .timer          = &ixp4xx_timer,
237 +       .boot_params    = 0x0100,
238 +       .init_machine   = sidewinder_init,
239 +MACHINE_END
240 +#endif