target/linux/ixp4xx/patches-4.1/530-ap42x_support.patch

   1 --- a/arch/arm/mach-ixp4xx/Kconfig
   2 +++ b/arch/arm/mach-ixp4xx/Kconfig
   3 @@ -4,6 +4,14 @@ menu "Intel IXP4xx Implementation Option
   4
   5  comment "IXP4xx Platforms"
   6
   7 +config MACH_AP42X
   8 +       bool "Tonze AP-422/425"
   9 +       select PCI
  10 +       help
  11 +         Say 'Y' here if you want your kernel to support Tonze's
  12 +         AP-422/425 boards. For more information on this platform,
  13 +         see http://tonze.com.tw
  14 +
  15  config MACH_NSLU2
  16         bool
  17         prompt "Linksys NSLU2"
  18 --- a/arch/arm/mach-ixp4xx/Makefile
  19 +++ b/arch/arm/mach-ixp4xx/Makefile
  20 @@ -5,6 +5,7 @@
  21  obj-pci-y      :=
  22  obj-pci-n      :=
  23
  24 +obj-pci-$(CONFIG_MACH_AP42X)           += ap42x-pci.o
  25  obj-pci-$(CONFIG_ARCH_IXDP4XX)         += ixdp425-pci.o
  26  obj-pci-$(CONFIG_MACH_AVILA)           += avila-pci.o
  27  obj-pci-$(CONFIG_MACH_CAMBRIA)         += cambria-pci.o
  28 @@ -32,6 +33,7 @@ obj-pci-$(CONFIG_MACH_USR8200)                += usr82
  29
  30  obj-y  += common.o
  31
  32 +obj-$(CONFIG_MACH_AP42X)       += ap42x-setup.o
  33  obj-$(CONFIG_ARCH_IXDP4XX)     += ixdp425-setup.o
  34  obj-$(CONFIG_MACH_AVILA)       += avila-setup.o
  35  obj-$(CONFIG_MACH_CAMBRIA)     += cambria-setup.o
  36 --- /dev/null
  37 +++ b/arch/arm/mach-ixp4xx/ap42x-pci.c
  38 @@ -0,0 +1,63 @@
  39 +/*
  40 + * arch/arch/mach-ixp4xx/ap42x-pci.c
  41 + *
  42 + * PCI setup routines for Tonze AP-422/425
  43 + *
  44 + * Copyright (C) 2012 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 +
  66 +#include <asm/mach/pci.h>
  67 +
  68 +void __init ap42x_pci_preinit(void)
  69 +{
  70 +       irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
  71 +       irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
  72 +
  73 +       ixp4xx_pci_preinit();
  74 +}
  75 +
  76 +static int __init ap42x_map_irq(const struct pci_dev *dev, u8 slot,
  77 +       u8 pin)
  78 +{
  79 +       if (slot == 1)
  80 +               return IRQ_IXP4XX_GPIO11;
  81 +       else if (slot == 2)
  82 +               return IRQ_IXP4XX_GPIO10;
  83 +       else return -1;
  84 +}
  85 +
  86 +struct hw_pci ap42x_pci __initdata = {
  87 +       .nr_controllers = 1,
  88 +       .preinit        = ap42x_pci_preinit,
  89 +       .ops            = &ixp4xx_ops,
  90 +       .setup          = ixp4xx_setup,
  91 +       .map_irq        = ap42x_map_irq,
  92 +};
  93 +
  94 +int __init ap42x_pci_init(void)
  95 +{
  96 +       if (machine_is_ap42x())
  97 +               pci_common_init(&ap42x_pci);
  98 +       return 0;
  99 +}
 100 +
 101 +subsys_initcall(ap42x_pci_init);
 102 --- /dev/null
 103 +++ b/arch/arm/mach-ixp4xx/ap42x-setup.c
 104 @@ -0,0 +1,166 @@
 105 +/*
 106 + * arch/arm/mach-ixp4xx/ap42x-setup.c
 107 + *
 108 + * Board setup for the Tonze AP-42x boards
 109 + *
 110 + * Copyright (C) 2012 Imre Kaloz <kaloz@openwrt.org>
 111 + *
 112 + * based on coyote-setup.c:
 113 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
 114 + *
 115 + * Author: Imre Kaloz <Kaloz@openwrt.org>
 116 + */
 117 +
 118 +#include <linux/kernel.h>
 119 +#include <linux/init.h>
 120 +#include <linux/device.h>
 121 +#include <linux/serial.h>
 122 +#include <linux/tty.h>
 123 +#include <linux/serial_8250.h>
 124 +#include <linux/mtd/physmap.h>
 125 +#include <linux/dma-mapping.h>
 126 +
 127 +#include <asm/types.h>
 128 +#include <asm/setup.h>
 129 +#include <asm/memory.h>
 130 +#include <mach/hardware.h>
 131 +#include <asm/irq.h>
 132 +#include <asm/mach-types.h>
 133 +#include <asm/mach/arch.h>
 134 +#include <asm/mach/flash.h>
 135 +
 136 +static struct mtd_partition ap42x_flash_partitions[] = {
 137 +       {
 138 +               .name           = "RedBoot",
 139 +               .offset         = 0x00000000,
 140 +               .size           = 0x00080000,
 141 +       }, {
 142 +               .name           = "linux",
 143 +               .offset         = 0x00080000,
 144 +               .size           = 0x00100000,
 145 +       }, {
 146 +               .name           = "rootfs",
 147 +               .offset         = 0x00180000,
 148 +               .size           = 0x00660000,
 149 +       }, {
 150 +               .name           = "FIS directory",
 151 +               .offset         = 0x007f8000,
 152 +               .size           = 0x00007000,
 153 +       }, {
 154 +               .name           = "RedBoot config",
 155 +               .offset         = 0x007ff000,
 156 +               .size           = 0x00001000,
 157 +       },
 158 +};
 159 +
 160 +static struct physmap_flash_data ap42x_flash_data = {
 161 +       .width          = 2,
 162 +       .parts          = ap42x_flash_partitions,
 163 +       .nr_parts       = ARRAY_SIZE(ap42x_flash_partitions),
 164 +};
 165 +
 166 +static struct resource ap42x_flash_resource = {
 167 +       .flags          = IORESOURCE_MEM,
 168 +       .start          = IXP4XX_EXP_BUS_BASE_PHYS,
 169 +       .end            = IXP4XX_EXP_BUS_BASE_PHYS + SZ_8M - 1,
 170 +};
 171 +
 172 +static struct platform_device ap42x_flash = {
 173 +       .name                   = "physmap-flash",
 174 +       .id                     = 0,
 175 +       .dev            = {
 176 +               .platform_data  = &ap42x_flash_data,
 177 +       },
 178 +       .num_resources          = 1,
 179 +       .resource               = &ap42x_flash_resource,
 180 +};
 181 +
 182 +static struct resource ap42x_uart_resource = {
 183 +       .start  = IXP4XX_UART2_BASE_PHYS,
 184 +       .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
 185 +       .flags  = IORESOURCE_MEM,
 186 +};
 187 +
 188 +static struct plat_serial8250_port ap42x_uart_data[] = {
 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 ap42x_uart = {
 202 +       .name           = "serial8250",
 203 +       .id             = PLAT8250_DEV_PLATFORM,
 204 +       .dev                    = {
 205 +               .platform_data  = ap42x_uart_data,
 206 +       },
 207 +       .num_resources  = 1,
 208 +       .resource       = &ap42x_uart_resource,
 209 +};
 210 +
 211 +static struct eth_plat_info ap42x_plat_eth[] = {
 212 +       {
 213 +               .phy            = 2,
 214 +               .rxq            = 3,
 215 +               .txreadyq       = 20,
 216 +       }, {
 217 +               .phy            = 1,
 218 +               .rxq            = 4,
 219 +               .txreadyq       = 21,
 220 +       }
 221 +};
 222 +
 223 +static struct platform_device ap42x_eth[] = {
 224 +       {
 225 +               .name                   = "ixp4xx_eth",
 226 +               .id                     = IXP4XX_ETH_NPEB,
 227 +               .dev.platform_data      = ap42x_plat_eth,
 228 +               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
 229 +       }, {
 230 +               .name                   = "ixp4xx_eth",
 231 +               .id                     = IXP4XX_ETH_NPEC,
 232 +               .dev.platform_data      = ap42x_plat_eth + 1,
 233 +               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
 234 +       }
 235 +};
 236 +
 237 +static struct platform_device *ap42x_devices[] __initdata = {
 238 +       &ap42x_flash,
 239 +       &ap42x_uart,
 240 +       &ap42x_eth[0],
 241 +       &ap42x_eth[1],
 242 +};
 243 +
 244 +static void __init ap42x_init(void)
 245 +{
 246 +       ixp4xx_sys_init();
 247 +
 248 +       ap42x_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 249 +       ap42x_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
 250 +
 251 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
 252 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 253 +
 254 +       platform_add_devices(ap42x_devices, ARRAY_SIZE(ap42x_devices));
 255 +}
 256 +
 257 +#ifdef CONFIG_MACH_AP42X
 258 +MACHINE_START(AP42X, "Tonze AP-422/425")
 259 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 260 +       .map_io         = ixp4xx_map_io,
 261 +       .init_irq       = ixp4xx_init_irq,
 262 +       .init_time      = ixp4xx_timer_init,
 263 +       .atag_offset    = 0x100,
 264 +       .init_machine   = ap42x_init,
 265 +#if defined(CONFIG_PCI)
 266 +       .dma_zone_size  = SZ_64M,
 267 +#endif
 268 +       .restart        = ixp4xx_restart,
 269 +MACHINE_END
 270 +#endif
 271 --- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
 272 +++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
 273 @@ -45,7 +45,8 @@ static __inline__ void __arch_decomp_set
 274             machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
 275             machine_is_pronghorn() || machine_is_pronghorn_metro() ||
 276             machine_is_wrt300nv2() || machine_is_tw5334() ||
 277 -           machine_is_usr8200() || machine_is_tw2662())
 278 +           machine_is_usr8200() || machine_is_tw2662() ||
 279 +           machine_is_ap42x())
 280                 uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
 281         else
 282                 uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;