target/linux/ixp4xx/patches-2.6.26/190-cambria_support.patch

   1 --- a/arch/arm/mach-ixp4xx/Kconfig
   2 +++ b/arch/arm/mach-ixp4xx/Kconfig
   3 @@ -25,6 +25,14 @@ config MACH_AVILA
   4           Avila Network Platform. For more information on this platform,
   5           see <file:Documentation/arm/IXP4xx>.
   6
   7 +config MACH_CAMBRIA
   8 +       bool "Cambria"
   9 +       select PCI
  10 +       help
  11 +         Say 'Y' here if you want your kernel to support the Gateworks
  12 +         Cambria series. For more information on this platform,
  13 +         see <file:Documentation/arm/IXP4xx>.
  14 +
  15  config MACH_LOFT
  16      bool "Loft"
  17      depends on MACH_AVILA
  18 @@ -208,7 +216,7 @@ config CPU_IXP46X
  19
  20  config CPU_IXP43X
  21         bool
  22 -       depends on MACH_KIXRP435
  23 +       depends on MACH_KIXRP435 || MACH_CAMBRIA
  24         default y
  25
  26  config MACH_GTWX5715
  27 --- a/arch/arm/mach-ixp4xx/Makefile
  28 +++ b/arch/arm/mach-ixp4xx/Makefile
  29 @@ -7,6 +7,7 @@ obj-pci-n       :=
  30
  31  obj-pci-$(CONFIG_ARCH_IXDP4XX)         += ixdp425-pci.o
  32  obj-pci-$(CONFIG_MACH_AVILA)           += avila-pci.o
  33 +obj-pci-$(CONFIG_MACH_CAMBRIA)         += cambria-pci.o
  34  obj-pci-$(CONFIG_MACH_IXDPG425)                += ixdpg425-pci.o
  35  obj-pci-$(CONFIG_ARCH_ADI_COYOTE)      += coyote-pci.o
  36  obj-pci-$(CONFIG_MACH_GTWX5715)                += gtwx5715-pci.o
  37 @@ -28,6 +29,7 @@ obj-y += common.o
  38
  39  obj-$(CONFIG_ARCH_IXDP4XX)     += ixdp425-setup.o
  40  obj-$(CONFIG_MACH_AVILA)       += avila-setup.o
  41 +obj-$(CONFIG_MACH_CAMBRIA)     += cambria-setup.o
  42  obj-$(CONFIG_MACH_IXDPG425)    += coyote-setup.o
  43  obj-$(CONFIG_ARCH_ADI_COYOTE)  += coyote-setup.o
  44  obj-$(CONFIG_MACH_GTWX5715)    += gtwx5715-setup.o
  45 --- /dev/null
  46 +++ b/arch/arm/mach-ixp4xx/cambria-pci.c
  47 @@ -0,0 +1,74 @@
  48 +/*
  49 + * arch/arch/mach-ixp4xx/cambria-pci.c
  50 + *
  51 + * PCI setup routines for Gateworks Cambria series
  52 + *
  53 + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  54 + *
  55 + * based on coyote-pci.c:
  56 + *     Copyright (C) 2002 Jungo Software Technologies.
  57 + *     Copyright (C) 2003 MontaVista Softwrae, Inc.
  58 + *
  59 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
  60 + *
  61 + * This program is free software; you can redistribute it and/or modify
  62 + * it under the terms of the GNU General Public License version 2 as
  63 + * published by the Free Software Foundation.
  64 + *
  65 + */
  66 +
  67 +#include <linux/kernel.h>
  68 +#include <linux/pci.h>
  69 +#include <linux/init.h>
  70 +#include <linux/irq.h>
  71 +
  72 +#include <asm/mach-types.h>
  73 +#include <asm/hardware.h>
  74 +#include <asm/irq.h>
  75 +
  76 +#include <asm/mach/pci.h>
  77 +
  78 +extern void ixp4xx_pci_preinit(void);
  79 +extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
  80 +extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
  81 +
  82 +void __init cambria_pci_preinit(void)
  83 +{
  84 +       set_irq_type(IRQ_IXP4XX_GPIO11, IRQT_LOW);
  85 +       set_irq_type(IRQ_IXP4XX_GPIO10, IRQT_LOW);
  86 +       set_irq_type(IRQ_IXP4XX_GPIO9, IRQT_LOW);
  87 +       set_irq_type(IRQ_IXP4XX_GPIO8, IRQT_LOW);
  88 +
  89 +       ixp4xx_pci_preinit();
  90 +}
  91 +
  92 +static int __init cambria_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
  93 +{
  94 +       if (slot == 1)
  95 +               return IRQ_IXP4XX_GPIO11;
  96 +       else if (slot == 2)
  97 +               return IRQ_IXP4XX_GPIO10;
  98 +       else if (slot == 3)
  99 +               return IRQ_IXP4XX_GPIO9;
 100 +       else if (slot == 4)
 101 +               return IRQ_IXP4XX_GPIO8;
 102 +       else return -1;
 103 +}
 104 +
 105 +struct hw_pci cambria_pci __initdata = {
 106 +       .nr_controllers = 1,
 107 +       .preinit =        cambria_pci_preinit,
 108 +       .swizzle =        pci_std_swizzle,
 109 +       .setup =          ixp4xx_setup,
 110 +       .scan =           ixp4xx_scan_bus,
 111 +       .map_irq =        cambria_map_irq,
 112 +};
 113 +
 114 +int __init cambria_pci_init(void)
 115 +{
 116 +       if (machine_is_cambria())
 117 +               pci_common_init(&cambria_pci);
 118 +       return 0;
 119 +}
 120 +
 121 +subsys_initcall(cambria_pci_init);
 122 --- /dev/null
 123 +++ b/arch/arm/mach-ixp4xx/cambria-setup.c
 124 @@ -0,0 +1,444 @@
 125 +/*
 126 + * arch/arm/mach-ixp4xx/cambria-setup.c
 127 + *
 128 + * Board setup for the Gateworks Cambria series
 129 + *
 130 + * Copyright (C) 2008 Imre Kaloz <Kaloz@openwrt.org>
 131 + *
 132 + * based on coyote-setup.c:
 133 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
 134 + *
 135 + * Author: Imre Kaloz <Kaloz@openwrt.org>
 136 + */
 137 +
 138 +#include <linux/kernel.h>
 139 +#include <linux/init.h>
 140 +#include <linux/device.h>
 141 +#include <linux/if_ether.h>
 142 +#include <linux/socket.h>
 143 +#include <linux/netdevice.h>
 144 +#include <linux/serial.h>
 145 +#include <linux/tty.h>
 146 +#include <linux/serial_8250.h>
 147 +#include <linux/slab.h>
 148 +#ifdef CONFIG_SENSORS_EEPROM
 149 +# include <linux/i2c.h>
 150 +# include <linux/eeprom.h>
 151 +#endif
 152 +
 153 +#include <linux/leds.h>
 154 +#include <linux/i2c-gpio.h>
 155 +#include <asm/types.h>
 156 +#include <asm/setup.h>
 157 +#include <asm/memory.h>
 158 +#include <asm/hardware.h>
 159 +#include <asm/irq.h>
 160 +#include <asm/mach-types.h>
 161 +#include <asm/mach/arch.h>
 162 +#include <asm/mach/flash.h>
 163 +
 164 +struct cambria_board_info {
 165 +       unsigned char   *model;
 166 +       void            (* setup)(void);
 167 +};
 168 +
 169 +static struct cambria_board_info *cambria_info __initdata;
 170 +
 171 +static struct flash_platform_data cambria_flash_data = {
 172 +       .map_name       = "cfi_probe",
 173 +       .width          = 2,
 174 +};
 175 +
 176 +static struct resource cambria_flash_resource = {
 177 +       .flags          = IORESOURCE_MEM,
 178 +};
 179 +
 180 +static struct platform_device cambria_flash = {
 181 +       .name           = "IXP4XX-Flash",
 182 +       .id             = 0,
 183 +       .dev            = {
 184 +               .platform_data = &cambria_flash_data,
 185 +       },
 186 +       .num_resources  = 1,
 187 +       .resource       = &cambria_flash_resource,
 188 +};
 189 +
 190 +static struct i2c_gpio_platform_data cambria_i2c_gpio_data = {
 191 +       .sda_pin        = 7,
 192 +       .scl_pin        = 6,
 193 +};
 194 +
 195 +static struct platform_device cambria_i2c_gpio = {
 196 +       .name           = "i2c-gpio",
 197 +       .id             = 0,
 198 +       .dev = {
 199 +               .platform_data  = &cambria_i2c_gpio_data,
 200 +       },
 201 +};
 202 +
 203 +static struct resource cambria_uart_resource = {
 204 +       .start  = IXP4XX_UART1_BASE_PHYS,
 205 +       .end    = IXP4XX_UART1_BASE_PHYS + 0x0fff,
 206 +       .flags  = IORESOURCE_MEM,
 207 +};
 208 +
 209 +static struct plat_serial8250_port cambria_uart_data[] = {
 210 +       {
 211 +               .mapbase        = IXP4XX_UART1_BASE_PHYS,
 212 +               .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
 213 +               .irq            = IRQ_IXP4XX_UART1,
 214 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 215 +               .iotype         = UPIO_MEM,
 216 +               .regshift       = 2,
 217 +               .uartclk        = IXP4XX_UART_XTAL,
 218 +       },
 219 +       { },
 220 +};
 221 +
 222 +static struct platform_device cambria_uart = {
 223 +       .name           = "serial8250",
 224 +       .id             = PLAT8250_DEV_PLATFORM,
 225 +       .dev = {
 226 +               .platform_data  = cambria_uart_data,
 227 +       },
 228 +       .num_resources  = 1,
 229 +       .resource       = &cambria_uart_resource,
 230 +};
 231 +
 232 +static struct resource cambria_pata_resources[] = {
 233 +       {
 234 +               .flags  = IORESOURCE_MEM
 235 +       },
 236 +       {
 237 +               .flags  = IORESOURCE_MEM,
 238 +       },
 239 +       {
 240 +               .name   = "intrq",
 241 +               .start  = IRQ_IXP4XX_GPIO12,
 242 +               .end    = IRQ_IXP4XX_GPIO12,
 243 +               .flags  = IORESOURCE_IRQ,
 244 +       },
 245 +};
 246 +
 247 +static struct ixp4xx_pata_data cambria_pata_data = {
 248 +       .cs0_bits       = 0xbfff3c03,
 249 +       .cs1_bits       = 0xbfff3c03,
 250 +};
 251 +
 252 +static struct platform_device cambria_pata = {
 253 +       .name                   = "pata_ixp4xx_cf",
 254 +       .id                     = 0,
 255 +       .dev.platform_data      = &cambria_pata_data,
 256 +       .num_resources          = ARRAY_SIZE(cambria_pata_resources),
 257 +       .resource               = cambria_pata_resources,
 258 +};
 259 +
 260 +static struct eth_plat_info cambria_npec_data = {
 261 +       .phy            = 1,
 262 +       .rxq            = 4,
 263 +       .txreadyq       = 21,
 264 +};
 265 +
 266 +static struct eth_plat_info cambria_npea_data = {
 267 +       .phy            = 2,
 268 +       .rxq            = 2,
 269 +       .txreadyq       = 19,
 270 +};
 271 +
 272 +static struct platform_device cambria_npec_device = {
 273 +       .name                   = "ixp4xx_eth",
 274 +       .id                     = IXP4XX_ETH_NPEC,
 275 +       .dev.platform_data      = &cambria_npec_data,
 276 +};
 277 +
 278 +static struct platform_device cambria_npea_device = {
 279 +       .name                   = "ixp4xx_eth",
 280 +       .id                     = IXP4XX_ETH_NPEA,
 281 +       .dev.platform_data      = &cambria_npea_data,
 282 +};
 283 +
 284 +static struct gpio_led cambria_gpio_leds[] = {
 285 +       {
 286 +               .name           = "user",  /* green led */
 287 +               .gpio           = 5,
 288 +               .active_low     = 1,
 289 +       }
 290 +};
 291 +
 292 +static struct gpio_led_platform_data cambria_gpio_leds_data = {
 293 +       .num_leds       = 1,
 294 +       .leds           = cambria_gpio_leds,
 295 +};
 296 +
 297 +static struct platform_device cambria_gpio_leds_device = {
 298 +       .name           = "leds-gpio",
 299 +       .id             = -1,
 300 +       .dev.platform_data = &cambria_gpio_leds_data,
 301 +};
 302 +
 303 +
 304 +static struct latch_led cambria_latch_leds[] = {
 305 +       {
 306 +               .name   = "ledA",  /* green led */
 307 +               .bit    = 0,
 308 +       },
 309 +       {
 310 +               .name   = "ledB",  /* green led */
 311 +               .bit    = 1,
 312 +       },
 313 +       {
 314 +               .name   = "ledC",  /* green led */
 315 +               .bit    = 2,
 316 +       },
 317 +       {
 318 +               .name   = "ledD",  /* green led */
 319 +               .bit    = 3,
 320 +       },
 321 +       {
 322 +               .name   = "ledE",  /* green led */
 323 +               .bit    = 4,
 324 +       },
 325 +       {
 326 +               .name   = "ledF",  /* green led */
 327 +               .bit    = 5,
 328 +       },
 329 +       {
 330 +               .name   = "ledG",  /* green led */
 331 +               .bit    = 6,
 332 +       },
 333 +       {
 334 +               .name   = "ledH",  /* green led */
 335 +               .bit    = 7,
 336 +       }
 337 +};
 338 +
 339 +static struct latch_led_platform_data cambria_latch_leds_data = {
 340 +       .num_leds       = 8,
 341 +       .leds           = cambria_latch_leds,
 342 +       .mem            = 0x53F40000,
 343 +};
 344 +
 345 +static struct platform_device cambria_latch_leds_device = {
 346 +       .name           = "leds-latch",
 347 +       .id             = -1,
 348 +       .dev.platform_data = &cambria_latch_leds_data,
 349 +};
 350 +
 351 +static struct resource cambria_usb0_resources[] = {
 352 +       {
 353 +               .start  = 0xCD000000,
 354 +               .end    = 0xCD000300,
 355 +               .flags  = IORESOURCE_MEM,
 356 +       },
 357 +       {
 358 +               .start  = 32,
 359 +               .flags  = IORESOURCE_IRQ,
 360 +       },
 361 +};
 362 +
 363 +static struct resource cambria_usb1_resources[] = {
 364 +       {
 365 +               .start  = 0xCE000000,
 366 +               .end    = 0xCE000300,
 367 +               .flags  = IORESOURCE_MEM,
 368 +       },
 369 +       {
 370 +               .start  = 33,
 371 +               .flags  = IORESOURCE_IRQ,
 372 +       },
 373 +};
 374 +
 375 +static u64 ehci_dma_mask = ~(u32)0;
 376 +
 377 +static struct platform_device cambria_usb0_device =  {
 378 +       .name           = "ixp4xx-ehci",
 379 +       .id             = 0,
 380 +       .resource       = cambria_usb0_resources,
 381 +       .num_resources  = ARRAY_SIZE(cambria_usb0_resources),
 382 +       .dev = {
 383 +               .dma_mask               = &ehci_dma_mask,
 384 +               .coherent_dma_mask      = 0xffffffff,
 385 +       },
 386 +};
 387 +
 388 +static struct platform_device cambria_usb1_device = {
 389 +       .name           = "ixp4xx-ehci",
 390 +       .id             = 1,
 391 +       .resource       = cambria_usb1_resources,
 392 +       .num_resources  = ARRAY_SIZE(cambria_usb1_resources),
 393 +       .dev = {
 394 +               .dma_mask               = &ehci_dma_mask,
 395 +               .coherent_dma_mask      = 0xffffffff,
 396 +       },
 397 +};
 398 +
 399 +static struct platform_device *cambria_devices[] __initdata = {
 400 +       &cambria_i2c_gpio,
 401 +       &cambria_flash,
 402 +       &cambria_uart,
 403 +};
 404 +
 405 +static void __init cambria_gw23xx_setup(void)
 406 +{
 407 +       platform_device_register(&cambria_npec_device);
 408 +       platform_device_register(&cambria_npea_device);
 409 +}
 410 +
 411 +#ifdef CONFIG_SENSORS_EEPROM
 412 +static void __init cambria_gw2350_setup(void)
 413 +{
 414 +       platform_device_register(&cambria_npec_device);
 415 +       platform_device_register(&cambria_npea_device);
 416 +
 417 +       platform_device_register(&cambria_usb0_device);
 418 +       platform_device_register(&cambria_usb1_device);
 419 +
 420 +       platform_device_register(&cambria_gpio_leds_device);
 421 +}
 422 +
 423 +static void __init cambria_gw2358_setup(void)
 424 +{
 425 +       platform_device_register(&cambria_npec_device);
 426 +       platform_device_register(&cambria_npea_device);
 427 +
 428 +       platform_device_register(&cambria_usb0_device);
 429 +       platform_device_register(&cambria_usb1_device);
 430 +
 431 +       platform_device_register(&cambria_pata);
 432 +
 433 +       platform_device_register(&cambria_latch_leds_device);
 434 +}
 435 +
 436 +static struct cambria_board_info cambria_boards[] __initdata = {
 437 +       {
 438 +               .model  = "GW2350",
 439 +               .setup  = cambria_gw2350_setup,
 440 +       }, {
 441 +               .model  = "GW2358",
 442 +               .setup  = cambria_gw2358_setup,
 443 +       }
 444 +};
 445 +
 446 +static struct cambria_board_info * __init cambria_find_board_info(char *model)
 447 +{
 448 +       int i;
 449 +
 450 +       for (i = 0; i < ARRAY_SIZE(cambria_boards); i++) {
 451 +               struct cambria_board_info *info = &cambria_boards[i];
 452 +               if (strncmp(info->model, model, strlen(info->model)) == 0)
 453 +                       return info;
 454 +       }
 455 +
 456 +       return NULL;
 457 +}
 458 +
 459 +struct cambria_eeprom_header {
 460 +       unsigned char mac0[ETH_ALEN];
 461 +       unsigned char mac1[ETH_ALEN];
 462 +       unsigned char res0[4];
 463 +       unsigned char magic[2];
 464 +       unsigned char config[14];
 465 +       unsigned char model[16];
 466 +};
 467 +
 468 +static int __init cambria_eeprom_notify(struct notifier_block *self,
 469 +               unsigned long event, void *t)
 470 +{
 471 +       struct eeprom_data *ee = t;
 472 +       struct cambria_eeprom_header hdr;
 473 +
 474 +       if (cambria_info)
 475 +               return NOTIFY_DONE;
 476 +
 477 +       /* The eeprom is at address 0x51 */
 478 +       if (event != EEPROM_REGISTER || ee->client.addr != 0x51)
 479 +               return NOTIFY_DONE;
 480 +
 481 +       ee->attr->read(&ee->client.dev.kobj, ee->attr, (char *)&hdr,
 482 +               0, sizeof(hdr));
 483 +
 484 +       if (hdr.magic[0] != 'G' || hdr.magic[1] != 'W')
 485 +               return NOTIFY_DONE;
 486 +
 487 +       memcpy(&cambria_npec_data.hwaddr, hdr.mac0, ETH_ALEN);
 488 +       memcpy(&cambria_npea_data.hwaddr, hdr.mac1, ETH_ALEN);
 489 +
 490 +       cambria_info = cambria_find_board_info(hdr.model);
 491 +
 492 +       return NOTIFY_OK;
 493 +}
 494 +
 495 +static struct notifier_block cambria_eeprom_notifier __initdata = {
 496 +       .notifier_call = cambria_eeprom_notify
 497 +};
 498 +
 499 +static void __init cambria_register_eeprom_notifier(void)
 500 +{
 501 +       register_eeprom_notifier(&cambria_eeprom_notifier);
 502 +}
 503 +
 504 +static void __init cambria_unregister_eeprom_notifier(void)
 505 +{
 506 +       unregister_eeprom_notifier(&cambria_eeprom_notifier);
 507 +}
 508 +#else /* CONFIG_SENSORS_EEPROM */
 509 +static inline void cambria_register_eeprom_notifier(void) {};
 510 +static inline void cambria_unregister_eeprom_notifier(void) {};
 511 +#endif /* CONFIG_SENSORS_EEPROM */
 512 +
 513 +static void __init cambria_init(void)
 514 +{
 515 +       ixp4xx_sys_init();
 516 +
 517 +       cambria_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 518 +       cambria_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
 519 +
 520 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
 521 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 522 +
 523 +       platform_add_devices(cambria_devices, ARRAY_SIZE(cambria_devices));
 524 +
 525 +       cambria_pata_resources[0].start = 0x53e00000;
 526 +       cambria_pata_resources[0].end = 0x53e3ffff;
 527 +
 528 +       cambria_pata_resources[1].start = 0x53e40000;
 529 +       cambria_pata_resources[1].end = 0x53e7ffff;
 530 +
 531 +       cambria_pata_data.cs0_cfg = IXP4XX_EXP_CS3;
 532 +       cambria_pata_data.cs1_cfg = IXP4XX_EXP_CS3;
 533 +
 534 +       cambria_register_eeprom_notifier();
 535 +}
 536 +
 537 +static int __init cambria_model_setup(void)
 538 +{
 539 +       if (!machine_is_cambria())
 540 +               return 0;
 541 +
 542 +       if (cambria_info) {
 543 +               printk(KERN_DEBUG "Running on Gateworks Cambria %s\n",
 544 +                               cambria_info->model);
 545 +               cambria_info->setup();
 546 +       } else {
 547 +               printk(KERN_INFO "Unknown/missing Cambria model number"
 548 +                               " -- defaults will be used\n");
 549 +               cambria_gw23xx_setup();
 550 +       }
 551 +
 552 +       cambria_unregister_eeprom_notifier();
 553 +       return 0;
 554 +}
 555 +late_initcall(cambria_model_setup);
 556 +
 557 +#ifdef CONFIG_MACH_CAMBRIA
 558 +MACHINE_START(CAMBRIA, "Gateworks Cambria series")
 559 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 560 +       .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 561 +       .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 562 +       .map_io         = ixp4xx_map_io,
 563 +       .init_irq       = ixp4xx_init_irq,
 564 +       .timer          = &ixp4xx_timer,
 565 +       .boot_params    = 0x0100,
 566 +       .init_machine   = cambria_init,
 567 +MACHINE_END
 568 +#endif
 569 --- a/include/asm-arm/arch-ixp4xx/hardware.h
 570 +++ b/include/asm-arm/arch-ixp4xx/hardware.h
 571 @@ -18,7 +18,7 @@
 572  #define __ASM_ARCH_HARDWARE_H__
 573
 574  #define PCIBIOS_MIN_IO         0x00001000
 575 -#define PCIBIOS_MIN_MEM                (cpu_is_ixp43x() ? 0x40000000 : 0x48000000)
 576 +#define PCIBIOS_MIN_MEM                (cpu_is_ixp43x() ? 0x48000000 : 0x48000000)
 577
 578  /*
 579   * We override the standard dma-mask routines for bouncing.