target/linux/ixp4xx/patches-2.6.23/013-fsg3_support.patch

   1 diff -uprN linux-2.6.23.orig/arch/arm/mach-ixp4xx/fsg-pci.c linux-2.6.23/arch/arm/mach-ixp4xx/fsg-pci.c
   2 --- linux-2.6.23.orig/arch/arm/mach-ixp4xx/fsg-pci.c    1969-12-31 18:00:00.000000000 -0600
   3 +++ linux-2.6.23/arch/arm/mach-ixp4xx/fsg-pci.c 2007-10-11 00:55:34.000000000 -0500
   4 @@ -0,0 +1,71 @@
   5 +/*
   6 + * arch/arch/mach-ixp4xx/fsg-pci.c
   7 + *
   8 + * FSG board-level PCI initialization
   9 + *
  10 + * Author: Rod Whitby <rod@whitby.id.au>
  11 + * Maintainer: http://www.nslu2-linux.org/
  12 + *
  13 + * based on ixdp425-pci.c:
  14 + *     Copyright (C) 2002 Intel Corporation.
  15 + *     Copyright (C) 2003-2004 MontaVista Software, Inc.
  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/pci.h>
  24 +#include <linux/init.h>
  25 +#include <linux/irq.h>
  26 +
  27 +#include <asm/mach/pci.h>
  28 +#include <asm/mach-types.h>
  29 +
  30 +void __init fsg_pci_preinit(void)
  31 +{
  32 +       set_irq_type(IRQ_FSG_PCI_INTA, IRQT_LOW);
  33 +       set_irq_type(IRQ_FSG_PCI_INTB, IRQT_LOW);
  34 +       set_irq_type(IRQ_FSG_PCI_INTC, IRQT_LOW);
  35 +
  36 +       ixp4xx_pci_preinit();
  37 +}
  38 +
  39 +static int __init fsg_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
  40 +{
  41 +       static int pci_irq_table[FSG_PCI_IRQ_LINES] = {
  42 +               IRQ_FSG_PCI_INTC,
  43 +               IRQ_FSG_PCI_INTB,
  44 +               IRQ_FSG_PCI_INTA,
  45 +       };
  46 +
  47 +       int irq = -1;
  48 +       slot = slot - 11;
  49 +
  50 +       if (slot >= 1 && slot <= FSG_PCI_MAX_DEV &&
  51 +               pin >= 1 && pin <= FSG_PCI_IRQ_LINES) {
  52 +                       irq = pci_irq_table[(slot - 1)];
  53 +       }
  54 +        printk("%s: Mapped slot %d pin %d to IRQ %d\n", __FUNCTION__,slot, pin, irq);
  55 +
  56 +        return irq;
  57 +}
  58 +
  59 +struct hw_pci fsg_pci __initdata = {
  60 +       .nr_controllers = 1,
  61 +       .preinit =        fsg_pci_preinit,
  62 +       .swizzle =        pci_std_swizzle,
  63 +       .setup =          ixp4xx_setup,
  64 +       .scan =           ixp4xx_scan_bus,
  65 +       .map_irq =        fsg_map_irq,
  66 +};
  67 +
  68 +int __init fsg_pci_init(void)
  69 +{
  70 +       if (machine_is_fsg())
  71 +               pci_common_init(&fsg_pci);
  72 +       return 0;
  73 +}
  74 +
  75 +subsys_initcall(fsg_pci_init);
  76 diff -uprN linux-2.6.23.orig/arch/arm/mach-ixp4xx/fsg-setup.c linux-2.6.23/arch/arm/mach-ixp4xx/fsg-setup.c
  77 --- linux-2.6.23.orig/arch/arm/mach-ixp4xx/fsg-setup.c  1969-12-31 18:00:00.000000000 -0600
  78 +++ linux-2.6.23/arch/arm/mach-ixp4xx/fsg-setup.c       2007-10-11 00:55:34.000000000 -0500
  79 @@ -0,0 +1,186 @@
  80 +/*
  81 + * arch/arm/mach-ixp4xx/fsg-setup.c
  82 + *
  83 + * FSG board-setup
  84 + *
  85 + * based ixdp425-setup.c:
  86 + *      Copyright (C) 2003-2004 MontaVista Software, Inc.
  87 + *
  88 + * Author: Rod Whitby <rod@whitby.id.au>
  89 + * Maintainers: http://www.nslu2-linux.org/
  90 + *
  91 + */
  92 +
  93 +#include <linux/kernel.h>
  94 +#include <linux/serial.h>
  95 +#include <linux/serial_8250.h>
  96 +#include <linux/leds.h>
  97 +#include <linux/i2c-gpio.h>
  98 +
  99 +#include <asm/mach-types.h>
 100 +#include <asm/mach/arch.h>
 101 +#include <asm/mach/flash.h>
 102 +
 103 +static struct flash_platform_data fsg_flash_data = {
 104 +       .map_name               = "cfi_probe",
 105 +       .width                  = 2,
 106 +};
 107 +
 108 +static struct resource fsg_flash_resource = {
 109 +       .flags                  = IORESOURCE_MEM,
 110 +};
 111 +
 112 +static struct platform_device fsg_flash = {
 113 +       .name                   = "IXP4XX-Flash",
 114 +       .id                     = 0,
 115 +       .dev.platform_data      = &fsg_flash_data,
 116 +       .num_resources          = 1,
 117 +       .resource               = &fsg_flash_resource,
 118 +};
 119 +
 120 +static struct i2c_gpio_platform_data fsg_i2c_gpio_data = {
 121 +       .sda_pin                = FSG_SDA_PIN,
 122 +       .scl_pin                = FSG_SCL_PIN,
 123 +};
 124 +
 125 +static struct platform_device fsg_i2c_gpio = {
 126 +       .name                   = "i2c-gpio",
 127 +       .id                     = 0,
 128 +       .dev     = {
 129 +               .platform_data  = &fsg_i2c_gpio_data,
 130 +       },
 131 +};
 132 +
 133 +#ifdef CONFIG_LEDS_CLASS
 134 +static struct resource fsg_led_resources[] = {
 135 +       {
 136 +               .name           = "ring",
 137 +               .start          = FSG_LED_RING_GPIO,
 138 +               .end            = FSG_LED_RING_GPIO,
 139 +               .flags          = IXP4XX_GPIO_HIGH,
 140 +       },
 141 +       {
 142 +               .name           = "sync",
 143 +               .start          = FSG_LED_SYNC_GPIO,
 144 +               .end            = FSG_LED_SYNC_GPIO,
 145 +               .flags          = IXP4XX_GPIO_HIGH,
 146 +       },
 147 +       {
 148 +               .name           = "usb",
 149 +               .start          = FSG_LED_USB_GPIO,
 150 +               .end            = FSG_LED_USB_GPIO,
 151 +               .flags          = IXP4XX_GPIO_HIGH,
 152 +       },
 153 +       {
 154 +               .name           = "sata",
 155 +               .start          = FSG_LED_SATA_GPIO,
 156 +               .end            = FSG_LED_SATA_GPIO,
 157 +               .flags          = IXP4XX_GPIO_HIGH,
 158 +       },
 159 +       {
 160 +               .name           = "wan",
 161 +               .start          = FSG_LED_WAN_GPIO,
 162 +               .end            = FSG_LED_WAN_GPIO,
 163 +               .flags          = IXP4XX_GPIO_HIGH,
 164 +       },
 165 +       {
 166 +               .name           = "wlan",
 167 +               .start          = FSG_LED_WLAN_GPIO,
 168 +               .end            = FSG_LED_WLAN_GPIO,
 169 +               .flags          = IXP4XX_GPIO_HIGH,
 170 +       },
 171 +};
 172 +
 173 +static struct platform_device fsg_leds = {
 174 +        .name                   = "IXP4XX-GPIO-LED",
 175 +        .id                     = -1,
 176 +        .num_resources          = ARRAY_SIZE(fsg_led_resources),
 177 +        .resource               = fsg_led_resources,
 178 +};
 179 +#endif
 180 +
 181 +static struct resource fsg_uart_resources[] = {
 182 +       {
 183 +               .start          = IXP4XX_UART1_BASE_PHYS,
 184 +               .end            = IXP4XX_UART1_BASE_PHYS + 0x0fff,
 185 +               .flags          = IORESOURCE_MEM,
 186 +       },
 187 +       {
 188 +               .start          = IXP4XX_UART2_BASE_PHYS,
 189 +               .end            = IXP4XX_UART2_BASE_PHYS + 0x0fff,
 190 +               .flags          = IORESOURCE_MEM,
 191 +       }
 192 +};
 193 +
 194 +static struct plat_serial8250_port fsg_uart_data[] = {
 195 +       {
 196 +               .mapbase        = IXP4XX_UART1_BASE_PHYS,
 197 +               .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
 198 +               .irq            = IRQ_IXP4XX_UART1,
 199 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 200 +               .iotype         = UPIO_MEM,
 201 +               .regshift       = 2,
 202 +               .uartclk        = IXP4XX_UART_XTAL,
 203 +       },
 204 +       {
 205 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
 206 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
 207 +               .irq            = IRQ_IXP4XX_UART2,
 208 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 209 +               .iotype         = UPIO_MEM,
 210 +               .regshift       = 2,
 211 +               .uartclk        = IXP4XX_UART_XTAL,
 212 +       },
 213 +       { }
 214 +};
 215 +
 216 +static struct platform_device fsg_uart = {
 217 +       .name                   = "serial8250",
 218 +       .id                     = PLAT8250_DEV_PLATFORM,
 219 +       .dev.platform_data      = fsg_uart_data,
 220 +       .num_resources          = ARRAY_SIZE(fsg_uart_resources),
 221 +       .resource               = fsg_uart_resources,
 222 +};
 223 +
 224 +static struct platform_device *fsg_devices[] __initdata = {
 225 +       &fsg_i2c_gpio,
 226 +       &fsg_flash,
 227 +#ifdef CONFIG_LEDS_IXP4XX
 228 +       &fsg_leds,
 229 +#endif
 230 +};
 231 +
 232 +static void __init fsg_init(void)
 233 +{
 234 +       ixp4xx_sys_init();
 235 +
 236 +       fsg_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 237 +       fsg_flash_resource.end =
 238 +               IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
 239 +
 240 +        *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
 241 +        *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 242 +
 243 +       /* Configure CS2 for operation, 8bit and writable */
 244 +       *IXP4XX_EXP_CS2 = 0xbfff0002;
 245 +
 246 +       /* This is only useful on a modified machine, but it is valuable
 247 +        * to have it first in order to see debug messages, and so that
 248 +        * it does *not* get removed if platform_add_devices fails!
 249 +        */
 250 +       (void)platform_device_register(&fsg_uart);
 251 +
 252 +       platform_add_devices(fsg_devices, ARRAY_SIZE(fsg_devices));
 253 +}
 254 +
 255 +MACHINE_START(FSG, "Freecom FSG-3")
 256 +       /* Maintainer: www.nslu2-linux.org */
 257 +       .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 258 +       .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 259 +       .map_io         = ixp4xx_map_io,
 260 +       .init_irq       = ixp4xx_init_irq,
 261 +       .timer          = &ixp4xx_timer,
 262 +       .boot_params    = 0x0100,
 263 +       .init_machine   = fsg_init,
 264 +MACHINE_END
 265 +
 266 diff -uprN linux-2.6.23.orig/arch/arm/mach-ixp4xx/Kconfig linux-2.6.23/arch/arm/mach-ixp4xx/Kconfig
 267 --- linux-2.6.23.orig/arch/arm/mach-ixp4xx/Kconfig      2007-10-09 15:31:38.000000000 -0500
 268 +++ linux-2.6.23/arch/arm/mach-ixp4xx/Kconfig   2007-10-11 00:55:34.000000000 -0500
 269 @@ -125,6 +125,15 @@ config     ARCH_IXDP4XX
 270         depends on ARCH_IXDP425 || MACH_IXDP465 || MACH_KIXRP435
 271         default y
 272
 273 +config MACH_FSG
 274 +       bool
 275 +       prompt "Freecom FSG-3"
 276 +       select PCI
 277 +       help
 278 +         Say 'Y' here if you want your kernel to support Freecom's
 279 +         FSG-3 device. For more information on this platform
 280 +         see http://www.nslu2-linux.org/wiki/FSG3/HomePage
 281 +
 282  #
 283  # Certain registers and IRQs are only enabled if supporting IXP465 CPUs
 284  #
 285 diff -uprN linux-2.6.23.orig/arch/arm/mach-ixp4xx/Makefile linux-2.6.23/arch/arm/mach-ixp4xx/Makefile
 286 --- linux-2.6.23.orig/arch/arm/mach-ixp4xx/Makefile     2007-10-09 15:31:38.000000000 -0500
 287 +++ linux-2.6.23/arch/arm/mach-ixp4xx/Makefile  2007-10-11 00:55:34.000000000 -0500
 288 @@ -15,6 +15,7 @@ obj-pci-$(CONFIG_MACH_NAS100D)                += nas10
 289  obj-pci-$(CONFIG_MACH_DSMG600)         += dsmg600-pci.o
 290  obj-pci-$(CONFIG_MACH_GATEWAY7001)     += gateway7001-pci.o
 291  obj-pci-$(CONFIG_MACH_WG302V2)         += wg302v2-pci.o
 292 +obj-pci-$(CONFIG_MACH_FSG)             += fsg-pci.o
 293
 294  obj-y  += common.o
 295
 296 @@ -28,5 +29,6 @@ obj-$(CONFIG_MACH_NAS100D)    += nas100d-se
 297  obj-$(CONFIG_MACH_DSMG600)      += dsmg600-setup.o dsmg600-power.o
 298  obj-$(CONFIG_MACH_GATEWAY7001) += gateway7001-setup.o
 299  obj-$(CONFIG_MACH_WG302V2)     += wg302v2-setup.o
 300 +obj-$(CONFIG_MACH_FSG)         += fsg-setup.o
 301
 302  obj-$(CONFIG_PCI)              += $(obj-pci-$(CONFIG_PCI)) common-pci.o
 303 diff -uprN linux-2.6.23.orig/include/asm-arm/arch-ixp4xx/fsg.h linux-2.6.23/include/asm-arm/arch-ixp4xx/fsg.h
 304 --- linux-2.6.23.orig/include/asm-arm/arch-ixp4xx/fsg.h 1969-12-31 18:00:00.000000000 -0600
 305 +++ linux-2.6.23/include/asm-arm/arch-ixp4xx/fsg.h      2007-10-11 00:55:34.000000000 -0500
 306 @@ -0,0 +1,74 @@
 307 +/*
 308 + * include/asm-arm/arch-ixp4xx/fsg.h
 309 + *
 310 + * Freecom FSG-3 platform specific definitions
 311 + *
 312 + * Author: Rod Whitby <rod@whitby.id.au>
 313 + * Author: Tomasz Chmielewski <mangoo@wpkg.org>
 314 + * Maintainers: http://www.nslu2-linux.org
 315 + *
 316 + * Based on coyote.h by
 317 + * Copyright 2004 (c) MontaVista, Software, Inc.
 318 + *
 319 + * This file is licensed under  the terms of the GNU General Public
 320 + * License version 2. This program is licensed "as is" without any
 321 + * warranty of any kind, whether express or implied.
 322 + */
 323 +
 324 +#ifndef __ASM_ARCH_HARDWARE_H__
 325 +#error "Do not include this directly, instead #include <asm/hardware.h>"
 326 +#endif
 327 +
 328 +#define FSG_SDA_PIN            12
 329 +#define FSG_SCL_PIN            13
 330 +
 331 +/*
 332 + * FSG PCI IRQs
 333 + */
 334 +#define FSG_PCI_MAX_DEV                3
 335 +#define FSG_PCI_IRQ_LINES      3
 336 +
 337 +
 338 +/* PCI controller GPIO to IRQ pin mappings */
 339 +#define FSG_PCI_INTA_PIN       6
 340 +#define FSG_PCI_INTB_PIN       7
 341 +#define FSG_PCI_INTC_PIN       5
 342 +
 343 +/* Buttons */
 344 +
 345 +#define FSG_SB_GPIO            4
 346 +#define FSG_RB_GPIO            9
 347 +#define FSG_UB_GPIO            10
 348 +
 349 +#define FSG_SB_IRQ             IRQ_IXP4XX_GPIO4
 350 +#define FSG_RB_IRQ             IRQ_IXP4XX_GPIO9
 351 +#define FSG_UB_IRQ             IRQ_IXP4XX_GPIO10
 352 +
 353 +#define FSG_SB_BM              (1L << FSG_SB_GPIO)
 354 +#define FSG_RB_BM              (1L << FSG_RB_GPIO)
 355 +#define FSG_UB_BM              (1L << FSG_UB_GPIO)
 356 +
 357 +/* LEDs */
 358 +
 359 +#define FSG_LED_RING_GPIO      0
 360 +#define FSG_LED_SYNC_GPIO      1
 361 +#define FSG_LED_USB_GPIO       2
 362 +#define FSG_LED_SATA_GPIO      3
 363 +#define FSG_LED_WAN_GPIO       4
 364 +#define FSG_LED_WLAN_GPIO      5
 365 +
 366 +/* %%% REMOVE %%%
 367 +#define FSG_PCI_SLOT0_PIN      6
 368 +#define FSG_PCI_SLOT1_PIN      7
 369 +
 370 +#define        FSG_PCI_SLOT0_DEVID     14
 371 +#define        FSG_PCI_SLOT1_DEVID     15
 372 +
 373 +#define        FSG_IDE_BASE_PHYS       IXP4XX_EXP_BUS_BASE(3)
 374 +#define        FSG_IDE_BASE_VIRT       0xFFFE1000
 375 +#define        FSG_IDE_REGION_SIZE     0x1000
 376 +
 377 +#define        FSG_IDE_DATA_PORT       0xFFFE10E0
 378 +#define        FSG_IDE_CTRL_PORT       0xFFFE10FC
 379 +#define        FSG_IDE_ERROR_PORT      0xFFFE10E2
 380 +*/
 381 diff -uprN linux-2.6.23.orig/include/asm-arm/arch-ixp4xx/hardware.h linux-2.6.23/include/asm-arm/arch-ixp4xx/hardware.h
 382 --- linux-2.6.23.orig/include/asm-arm/arch-ixp4xx/hardware.h    2007-10-09 15:31:38.000000000 -0500
 383 +++ linux-2.6.23/include/asm-arm/arch-ixp4xx/hardware.h 2007-10-11 00:55:34.000000000 -0500
 384 @@ -45,5 +45,6 @@
 385  #include "nslu2.h"
 386  #include "nas100d.h"
 387  #include "dsmg600.h"
 388 +#include "fsg.h"
 389
 390  #endif  /* _ASM_ARCH_HARDWARE_H */
 391 diff -uprN linux-2.6.23.orig/include/asm-arm/arch-ixp4xx/irqs.h linux-2.6.23/include/asm-arm/arch-ixp4xx/irqs.h
 392 --- linux-2.6.23.orig/include/asm-arm/arch-ixp4xx/irqs.h        2007-10-09 15:31:38.000000000 -0500
 393 +++ linux-2.6.23/include/asm-arm/arch-ixp4xx/irqs.h     2007-10-11 00:55:34.000000000 -0500
 394 @@ -128,4 +128,17 @@
 395  #define        IRQ_DSMG600_PCI_INTE    IRQ_IXP4XX_GPIO7
 396  #define        IRQ_DSMG600_PCI_INTF    IRQ_IXP4XX_GPIO6
 397
 398 +/*
 399 + * Freecom FSG-3 Board IRQs
 400 + */
 401 +#define        IRQ_FSG_PCI_INTA        IRQ_IXP4XX_GPIO6
 402 +#define        IRQ_FSG_PCI_INTB        IRQ_IXP4XX_GPIO7
 403 +#define        IRQ_FSG_PCI_INTC        IRQ_IXP4XX_GPIO5
 404 +
 405 +/* %%% REMOVE %%%
 406 +#define        IRQ_FSG_PCI_SLOT0       IRQ_IXP4XX_GPIO6
 407 +#define        IRQ_FSG_PCI_SLOT1       IRQ_IXP4XX_GPIO7
 408 +#define        IRQ_FSG_IDE             IRQ_IXP4XX_GPIO5
 409 +*/
 410 +
 411  #endif