target/linux/ixp4xx/patches-3.3/530-ap42x_support.patch

   1 --- /dev/null
   2 +++ b/arch/arm/mach-ixp4xx/ap42x-pci.c
   3 @@ -0,0 +1,64 @@
   4 +/*
   5 + * arch/arch/mach-ixp4xx/ap42x-pci.c
   6 + *
   7 + * PCI setup routines for Tonze AP-422/425
   8 + *
   9 + * Copyright (C) 2012 Imre Kaloz <kaloz@openwrt.org>
  10 + *
  11 + * based on coyote-pci.c:
  12 + *     Copyright (C) 2002 Jungo Software Technologies.
  13 + *     Copyright (C) 2003 MontaVista Softwrae, Inc.
  14 + *
  15 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
  16 + *
  17 + * This program is free software; you can redistribute it and/or modify
  18 + * it under the terms of the GNU General Public License version 2 as
  19 + * published by the Free Software Foundation.
  20 + *
  21 + */
  22 +
  23 +#include <linux/kernel.h>
  24 +#include <linux/pci.h>
  25 +#include <linux/init.h>
  26 +#include <linux/irq.h>
  27 +
  28 +#include <asm/mach-types.h>
  29 +#include <mach/hardware.h>
  30 +
  31 +#include <asm/mach/pci.h>
  32 +
  33 +void __init ap42x_pci_preinit(void)
  34 +{
  35 +       irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
  36 +       irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
  37 +
  38 +       ixp4xx_pci_preinit();
  39 +}
  40 +
  41 +static int __init ap42x_map_irq(const struct pci_dev *dev, u8 slot,
  42 +       u8 pin)
  43 +{
  44 +       if (slot == 1)
  45 +               return IRQ_IXP4XX_GPIO11;
  46 +       else if (slot == 2)
  47 +               return IRQ_IXP4XX_GPIO10;
  48 +       else return -1;
  49 +}
  50 +
  51 +struct hw_pci ap42x_pci __initdata = {
  52 +       .nr_controllers = 1,
  53 +       .preinit        = ap42x_pci_preinit,
  54 +       .swizzle        = pci_std_swizzle,
  55 +       .setup          = ixp4xx_setup,
  56 +       .scan           = ixp4xx_scan_bus,
  57 +       .map_irq        = ap42x_map_irq,
  58 +};
  59 +
  60 +int __init ap42x_pci_init(void)
  61 +{
  62 +       if (machine_is_ap42x())
  63 +               pci_common_init(&ap42x_pci);
  64 +       return 0;
  65 +}
  66 +
  67 +subsys_initcall(ap42x_pci_init);
  68 --- /dev/null
  69 +++ b/arch/arm/mach-ixp4xx/ap42x-setup.c
  70 @@ -0,0 +1,163 @@
  71 +/*
  72 + * arch/arm/mach-ixp4xx/ap42x-setup.c
  73 + *
  74 + * Board setup for the Tonze AP-42x boards
  75 + *
  76 + * Copyright (C) 2012 Imre Kaloz <kaloz@openwrt.org>
  77 + *
  78 + * based on coyote-setup.c:
  79 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
  80 + *
  81 + * Author: Imre Kaloz <Kaloz@openwrt.org>
  82 + */
  83 +
  84 +#include <linux/kernel.h>
  85 +#include <linux/init.h>
  86 +#include <linux/device.h>
  87 +#include <linux/serial.h>
  88 +#include <linux/tty.h>
  89 +#include <linux/serial_8250.h>
  90 +#include <linux/mtd/physmap.h>
  91 +
  92 +#include <asm/types.h>
  93 +#include <asm/setup.h>
  94 +#include <asm/memory.h>
  95 +#include <mach/hardware.h>
  96 +#include <asm/irq.h>
  97 +#include <asm/mach-types.h>
  98 +#include <asm/mach/arch.h>
  99 +#include <asm/mach/flash.h>
 100 +
 101 +static struct mtd_partition ap42x_flash_partitions[] = {
 102 +       {
 103 +               .name           = "RedBoot",
 104 +               .offset         = 0x00000000,
 105 +               .size           = 0x00080000,
 106 +       }, {
 107 +               .name           = "linux",
 108 +               .offset         = 0x00080000,
 109 +               .size           = 0x00100000,
 110 +       }, {
 111 +               .name           = "rootfs",
 112 +               .offset         = 0x00180000,
 113 +               .size           = 0x00660000,
 114 +       }, {
 115 +               .name           = "FIS directory",
 116 +               .offset         = 0x007f8000,
 117 +               .size           = 0x00007000,
 118 +       }, {
 119 +               .name           = "RedBoot config",
 120 +               .offset         = 0x007ff000,
 121 +               .size           = 0x00001000,
 122 +       },
 123 +};
 124 +
 125 +static struct physmap_flash_data ap42x_flash_data = {
 126 +       .width          = 2,
 127 +       .parts          = ap42x_flash_partitions,
 128 +       .nr_parts       = ARRAY_SIZE(ap42x_flash_partitions),
 129 +};
 130 +
 131 +static struct resource ap42x_flash_resource = {
 132 +       .flags          = IORESOURCE_MEM,
 133 +       .start          = IXP4XX_EXP_BUS_BASE_PHYS,
 134 +       .end            = IXP4XX_EXP_BUS_BASE_PHYS + SZ_8M - 1,
 135 +};
 136 +
 137 +static struct platform_device ap42x_flash = {
 138 +       .name                   = "physmap-flash",
 139 +       .id                     = 0,
 140 +       .dev            = {
 141 +               .platform_data  = &ap42x_flash_data,
 142 +       },
 143 +       .num_resources          = 1,
 144 +       .resource               = &ap42x_flash_resource,
 145 +};
 146 +
 147 +static struct resource ap42x_uart_resource = {
 148 +       .start  = IXP4XX_UART2_BASE_PHYS,
 149 +       .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
 150 +       .flags  = IORESOURCE_MEM,
 151 +};
 152 +
 153 +static struct plat_serial8250_port ap42x_uart_data[] = {
 154 +       {
 155 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
 156 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
 157 +               .irq            = IRQ_IXP4XX_UART2,
 158 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 159 +               .iotype         = UPIO_MEM,
 160 +               .regshift       = 2,
 161 +               .uartclk        = IXP4XX_UART_XTAL,
 162 +       },
 163 +       { },
 164 +};
 165 +
 166 +static struct platform_device ap42x_uart = {
 167 +       .name           = "serial8250",
 168 +       .id             = PLAT8250_DEV_PLATFORM,
 169 +       .dev                    = {
 170 +               .platform_data  = ap42x_uart_data,
 171 +       },
 172 +       .num_resources  = 1,
 173 +       .resource       = &ap42x_uart_resource,
 174 +};
 175 +
 176 +static struct eth_plat_info ap42x_plat_eth[] = {
 177 +       {
 178 +               .phy            = 2,
 179 +               .rxq            = 3,
 180 +               .txreadyq       = 20,
 181 +       }, {
 182 +               .phy            = 1,
 183 +               .rxq            = 4,
 184 +               .txreadyq       = 21,
 185 +       }
 186 +};
 187 +
 188 +static struct platform_device ap42x_eth[] = {
 189 +       {
 190 +               .name                   = "ixp4xx_eth",
 191 +               .id                     = IXP4XX_ETH_NPEB,
 192 +               .dev.platform_data      = ap42x_plat_eth,
 193 +       }, {
 194 +               .name                   = "ixp4xx_eth",
 195 +               .id                     = IXP4XX_ETH_NPEC,
 196 +               .dev.platform_data      = ap42x_plat_eth + 1,
 197 +       }
 198 +};
 199 +
 200 +static struct platform_device *ap42x_devices[] __initdata = {
 201 +       &ap42x_flash,
 202 +       &ap42x_uart,
 203 +       &ap42x_eth[0],
 204 +       &ap42x_eth[1],
 205 +};
 206 +
 207 +static void __init ap42x_init(void)
 208 +{
 209 +       ixp4xx_sys_init();
 210 +
 211 +       ap42x_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 212 +       ap42x_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
 213 +
 214 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
 215 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 216 +
 217 +       platform_add_devices(ap42x_devices, ARRAY_SIZE(ap42x_devices));
 218 +}
 219 +
 220 +#ifdef CONFIG_MACH_AP42X
 221 +MACHINE_START(AP42X, "Tonze AP-422/425")
 222 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 223 +       .map_io         = ixp4xx_map_io,
 224 +       .init_irq       = ixp4xx_init_irq,
 225 +       .timer          = &ixp4xx_timer,
 226 +       .atag_offset    = 0x100,
 227 +       .init_machine   = ap42x_init,
 228 +#if defined(CONFIG_PCI)
 229 +       .dma_zone_size  = SZ_64M,
 230 +#endif
 231 +       .restart        = ixp4xx_restart,
 232 +MACHINE_END
 233 +#endif
 234 --- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
 235 +++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
 236 @@ -45,7 +45,8 @@ static __inline__ void __arch_decomp_set
 237             machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
 238             machine_is_pronghorn() || machine_is_pronghorn_metro() ||
 239             machine_is_wrt300nv2() || machine_is_tw5334() ||
 240 -           machine_is_usr8200() || machine_is_tw2662())
 241 +           machine_is_usr8200() || machine_is_tw2662() ||
 242 +           machine_is_ap42x())
 243                 uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
 244         else
 245                 uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
 246 --- a/arch/arm/mach-ixp4xx/Kconfig
 247 +++ b/arch/arm/mach-ixp4xx/Kconfig
 248 @@ -8,6 +8,14 @@ menu "Intel IXP4xx Implementation Option
 249
 250  comment "IXP4xx Platforms"
 251
 252 +config MACH_AP42X
 253 +       bool "Tonze AP-422/425"
 254 +       select PCI
 255 +       help
 256 +         Say 'Y' here if you want your kernel to support Tonze's
 257 +         AP-422/425 boards. For more information on this platform,
 258 +         see http://tonze.com.tw
 259 +
 260  config MACH_NSLU2
 261         bool
 262         prompt "Linksys NSLU2"
 263 --- a/arch/arm/mach-ixp4xx/Makefile
 264 +++ b/arch/arm/mach-ixp4xx/Makefile
 265 @@ -5,6 +5,7 @@
 266  obj-pci-y      :=
 267  obj-pci-n      :=
 268
 269 +obj-pci-$(CONFIG_MACH_AP42X)           += ap42x-pci.o
 270  obj-pci-$(CONFIG_ARCH_IXDP4XX)         += ixdp425-pci.o
 271  obj-pci-$(CONFIG_MACH_AVILA)           += avila-pci.o
 272  obj-pci-$(CONFIG_MACH_CAMBRIA)         += cambria-pci.o
 273 @@ -32,6 +33,7 @@ obj-pci-$(CONFIG_MACH_USR8200)                += usr82
 274
 275  obj-y  += common.o
 276
 277 +obj-$(CONFIG_MACH_AP42X)       += ap42x-setup.o
 278  obj-$(CONFIG_ARCH_IXDP4XX)     += ixdp425-setup.o
 279  obj-$(CONFIG_MACH_AVILA)       += avila-setup.o
 280  obj-$(CONFIG_MACH_CAMBRIA)     += cambria-setup.o