target/linux/ixp4xx/patches-4.4/130-wrt300nv2_support.patch

   1 --- a/arch/arm/mach-ixp4xx/Kconfig
   2 +++ b/arch/arm/mach-ixp4xx/Kconfig
   3 @@ -93,6 +93,14 @@ config MACH_COMPEXWP18
   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 @@ -22,6 +22,7 @@ obj-pci-$(CONFIG_MACH_ARCOM_VULCAN)   += v
  21  obj-pci-$(CONFIG_MACH_PRONGHORN)       += pronghorn-pci.o
  22  obj-pci-$(CONFIG_MACH_SIDEWINDER)      += sidewinder-pci.o
  23  obj-pci-$(CONFIG_MACH_COMPEXWP18)      += ixdp425-pci.o
  24 +obj-pci-$(CONFIG_MACH_WRT300NV2)               += wrt300nv2-pci.o
  25
  26  obj-y  += common.o
  27
  28 @@ -45,6 +46,7 @@ obj-$(CONFIG_MACH_ARCOM_VULCAN)       += vulca
  29  obj-$(CONFIG_MACH_PRONGHORN)   += pronghorn-setup.o
  30  obj-$(CONFIG_MACH_SIDEWINDER)  += sidewinder-setup.o
  31  obj-$(CONFIG_MACH_COMPEXWP18)  += compex42x-setup.o
  32 +obj-$(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 --- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
  37 +++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
  38 @@ -43,7 +43,8 @@ static __inline__ void __arch_decomp_set
  39         if (machine_is_adi_coyote() || machine_is_gtwx5715() ||
  40             machine_is_gateway7001() || machine_is_wg302v2() ||
  41             machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
  42 -           machine_is_pronghorn() || machine_is_pronghorn_metro())
  43 +           machine_is_pronghorn() || machine_is_pronghorn_metro() ||
  44 +           machine_is_wrt300nv2())
  45                 uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
  46         else
  47                 uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
  48 --- /dev/null
  49 +++ b/arch/arm/mach-ixp4xx/wrt300nv2-pci.c
  50 @@ -0,0 +1,64 @@
  51 +/*
  52 + * arch/arch/mach-ixp4xx/wrt300nv2-pci.c
  53 + *
  54 + * PCI setup routines for Linksys WRT300N v2
  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 <mach/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 wrt300nv2_pci_preinit(void)
  86 +{
  87 +       irq_set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
  88 +
  89 +       ixp4xx_pci_preinit();
  90 +}
  91 +
  92 +static int __init wrt300nv2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
  93 +{
  94 +       if (slot == 1)
  95 +               return IRQ_IXP4XX_GPIO8;
  96 +       else return -1;
  97 +}
  98 +
  99 +struct hw_pci wrt300nv2_pci __initdata = {
 100 +       .nr_controllers = 1,
 101 +       .preinit        = wrt300nv2_pci_preinit,
 102 +       .ops            = &ixp4xx_ops,
 103 +       .setup          = ixp4xx_setup,
 104 +       .map_irq        = wrt300nv2_map_irq,
 105 +};
 106 +
 107 +int __init wrt300nv2_pci_init(void)
 108 +{
 109 +       if (machine_is_wrt300nv2())
 110 +               pci_common_init(&wrt300nv2_pci);
 111 +       return 0;
 112 +}
 113 +
 114 +subsys_initcall(wrt300nv2_pci_init);
 115 --- /dev/null
 116 +++ b/arch/arm/mach-ixp4xx/wrt300nv2-setup.c
 117 @@ -0,0 +1,110 @@
 118 +/*
 119 + * arch/arm/mach-ixp4xx/wrt300nv2-setup.c
 120 + *
 121 + * Board setup for the Linksys WRT300N v2
 122 + *
 123 + * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
 124 + *
 125 + * based on coyote-setup.c:
 126 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
 127 + *
 128 + * Author: Imre Kaloz <Kaloz@openwrt.org>
 129 + */
 130 +
 131 +#include <linux/kernel.h>
 132 +#include <linux/init.h>
 133 +#include <linux/device.h>
 134 +#include <linux/serial.h>
 135 +#include <linux/tty.h>
 136 +#include <linux/serial_8250.h>
 137 +#include <linux/slab.h>
 138 +
 139 +#include <asm/types.h>
 140 +#include <asm/setup.h>
 141 +#include <asm/memory.h>
 142 +#include <mach/hardware.h>
 143 +#include <asm/irq.h>
 144 +#include <asm/mach-types.h>
 145 +#include <asm/mach/arch.h>
 146 +#include <asm/mach/flash.h>
 147 +
 148 +static struct flash_platform_data wrt300nv2_flash_data = {
 149 +       .map_name       = "cfi_probe",
 150 +       .width          = 2,
 151 +};
 152 +
 153 +static struct resource wrt300nv2_flash_resource = {
 154 +       .flags          = IORESOURCE_MEM,
 155 +};
 156 +
 157 +static struct platform_device wrt300nv2_flash = {
 158 +       .name           = "IXP4XX-Flash",
 159 +       .id             = 0,
 160 +       .dev            = {
 161 +               .platform_data = &wrt300nv2_flash_data,
 162 +       },
 163 +       .num_resources  = 1,
 164 +       .resource       = &wrt300nv2_flash_resource,
 165 +};
 166 +
 167 +static struct resource wrt300nv2_uart_resource = {
 168 +       .start  = IXP4XX_UART2_BASE_PHYS,
 169 +       .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
 170 +       .flags  = IORESOURCE_MEM,
 171 +};
 172 +
 173 +static struct plat_serial8250_port wrt300nv2_uart_data[] = {
 174 +       {
 175 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
 176 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
 177 +               .irq            = IRQ_IXP4XX_UART2,
 178 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 179 +               .iotype         = UPIO_MEM,
 180 +               .regshift       = 2,
 181 +               .uartclk        = IXP4XX_UART_XTAL,
 182 +       },
 183 +       { },
 184 +};
 185 +
 186 +static struct platform_device wrt300nv2_uart = {
 187 +       .name           = "serial8250",
 188 +       .id             = PLAT8250_DEV_PLATFORM,
 189 +       .dev                    = {
 190 +               .platform_data  = wrt300nv2_uart_data,
 191 +       },
 192 +       .num_resources  = 1,
 193 +       .resource       = &wrt300nv2_uart_resource,
 194 +};
 195 +
 196 +static struct platform_device *wrt300nv2_devices[] __initdata = {
 197 +       &wrt300nv2_flash,
 198 +       &wrt300nv2_uart
 199 +};
 200 +
 201 +static void __init wrt300nv2_init(void)
 202 +{
 203 +       ixp4xx_sys_init();
 204 +
 205 +       wrt300nv2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 206 +       wrt300nv2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
 207 +
 208 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
 209 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 210 +
 211 +       platform_add_devices(wrt300nv2_devices, ARRAY_SIZE(wrt300nv2_devices));
 212 +}
 213 +
 214 +#ifdef CONFIG_MACH_WRT300NV2
 215 +MACHINE_START(WRT300NV2, "Linksys WRT300N v2")
 216 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 217 +       .map_io         = ixp4xx_map_io,
 218 +       .init_irq       = ixp4xx_init_irq,
 219 +       .init_time      = ixp4xx_timer_init,
 220 +       .atag_offset    = 0x0100,
 221 +       .init_machine   = wrt300nv2_init,
 222 +#if defined(CONFIG_PCI)
 223 +       .dma_zone_size  = SZ_64M,
 224 +#endif
 225 +       .restart        = ixp4xx_restart,
 226 +MACHINE_END
 227 +#endif