target/linux/ixp4xx/patches-2.6.37/190-cambria_support.patch

   1 --- /dev/null
   2 +++ b/arch/arm/mach-ixp4xx/cambria-pci.c
   3 @@ -0,0 +1,74 @@
   4 +/*
   5 + * arch/arch/mach-ixp4xx/cambria-pci.c
   6 + *
   7 + * PCI setup routines for Gateworks Cambria series
   8 + *
   9 + * Copyright (C) 2008 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 +#include <asm/irq.h>
  31 +
  32 +#include <asm/mach/pci.h>
  33 +
  34 +extern void ixp4xx_pci_preinit(void);
  35 +extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
  36 +extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
  37 +
  38 +void __init cambria_pci_preinit(void)
  39 +{
  40 +       set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
  41 +       set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
  42 +       set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW);
  43 +       set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
  44 +
  45 +       ixp4xx_pci_preinit();
  46 +}
  47 +
  48 +static int __init cambria_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
  49 +{
  50 +       if (slot == 1)
  51 +               return IRQ_IXP4XX_GPIO11;
  52 +       else if (slot == 2)
  53 +               return IRQ_IXP4XX_GPIO10;
  54 +       else if (slot == 3)
  55 +               return IRQ_IXP4XX_GPIO9;
  56 +       else if (slot == 4)
  57 +               return IRQ_IXP4XX_GPIO8;
  58 +       else return -1;
  59 +}
  60 +
  61 +struct hw_pci cambria_pci __initdata = {
  62 +       .nr_controllers = 1,
  63 +       .preinit =        cambria_pci_preinit,
  64 +       .swizzle =        pci_std_swizzle,
  65 +       .setup =          ixp4xx_setup,
  66 +       .scan =           ixp4xx_scan_bus,
  67 +       .map_irq =        cambria_map_irq,
  68 +};
  69 +
  70 +int __init cambria_pci_init(void)
  71 +{
  72 +       if (machine_is_cambria())
  73 +               pci_common_init(&cambria_pci);
  74 +       return 0;
  75 +}
  76 +
  77 +subsys_initcall(cambria_pci_init);
  78 --- /dev/null
  79 +++ b/arch/arm/mach-ixp4xx/cambria-setup.c
  80 @@ -0,0 +1,429 @@
  81 +/*
  82 + * arch/arm/mach-ixp4xx/cambria-setup.c
  83 + *
  84 + * Board setup for the Gateworks Cambria series
  85 + *
  86 + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  87 + *
  88 + * based on coyote-setup.c:
  89 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
  90 + *
  91 + * Author: Imre Kaloz <kaloz@openwrt.org>
  92 + */
  93 +
  94 +#include <linux/device.h>
  95 +#include <linux/i2c.h>
  96 +#include <linux/i2c-gpio.h>
  97 +#include <linux/i2c/at24.h>
  98 +#include <linux/if_ether.h>
  99 +#include <linux/init.h>
 100 +#include <linux/kernel.h>
 101 +#include <linux/leds.h>
 102 +#include <linux/memory.h>
 103 +#include <linux/netdevice.h>
 104 +#include <linux/serial.h>
 105 +#include <linux/serial_8250.h>
 106 +#include <linux/slab.h>
 107 +#include <linux/socket.h>
 108 +#include <linux/types.h>
 109 +#include <linux/tty.h>
 110 +
 111 +#include <mach/hardware.h>
 112 +#include <asm/irq.h>
 113 +#include <asm/mach-types.h>
 114 +#include <asm/mach/arch.h>
 115 +#include <asm/mach/flash.h>
 116 +#include <asm/setup.h>
 117 +
 118 +struct cambria_board_info {
 119 +       unsigned char   *model;
 120 +       void            (*setup)(void);
 121 +};
 122 +
 123 +static struct cambria_board_info *cambria_info __initdata;
 124 +
 125 +static struct flash_platform_data cambria_flash_data = {
 126 +       .map_name       = "cfi_probe",
 127 +       .width          = 2,
 128 +};
 129 +
 130 +static struct resource cambria_flash_resource = {
 131 +       .flags          = IORESOURCE_MEM,
 132 +};
 133 +
 134 +static struct platform_device cambria_flash = {
 135 +       .name           = "IXP4XX-Flash",
 136 +       .id             = 0,
 137 +       .dev            = {
 138 +               .platform_data = &cambria_flash_data,
 139 +       },
 140 +       .num_resources  = 1,
 141 +       .resource       = &cambria_flash_resource,
 142 +};
 143 +
 144 +static struct i2c_gpio_platform_data cambria_i2c_gpio_data = {
 145 +       .sda_pin        = 7,
 146 +       .scl_pin        = 6,
 147 +};
 148 +
 149 +static struct platform_device cambria_i2c_gpio = {
 150 +       .name           = "i2c-gpio",
 151 +       .id             = 0,
 152 +       .dev = {
 153 +               .platform_data  = &cambria_i2c_gpio_data,
 154 +       },
 155 +};
 156 +
 157 +static struct eth_plat_info cambria_npec_data = {
 158 +       .phy            = 1,
 159 +       .rxq            = 4,
 160 +       .txreadyq       = 21,
 161 +};
 162 +
 163 +static struct eth_plat_info cambria_npea_data = {
 164 +       .phy            = 2,
 165 +       .rxq            = 2,
 166 +       .txreadyq       = 19,
 167 +};
 168 +
 169 +static struct platform_device cambria_npec_device = {
 170 +       .name                   = "ixp4xx_eth",
 171 +       .id                     = IXP4XX_ETH_NPEC,
 172 +       .dev.platform_data      = &cambria_npec_data,
 173 +};
 174 +
 175 +static struct platform_device cambria_npea_device = {
 176 +       .name                   = "ixp4xx_eth",
 177 +       .id                     = IXP4XX_ETH_NPEA,
 178 +       .dev.platform_data      = &cambria_npea_data,
 179 +};
 180 +
 181 +static struct resource cambria_uart_resource = {
 182 +       .start  = IXP4XX_UART1_BASE_PHYS,
 183 +       .end    = IXP4XX_UART1_BASE_PHYS + 0x0fff,
 184 +       .flags  = IORESOURCE_MEM,
 185 +};
 186 +
 187 +static struct plat_serial8250_port cambria_uart_data[] = {
 188 +       {
 189 +               .mapbase        = IXP4XX_UART1_BASE_PHYS,
 190 +               .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
 191 +               .irq            = IRQ_IXP4XX_UART1,
 192 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 193 +               .iotype         = UPIO_MEM,
 194 +               .regshift       = 2,
 195 +               .uartclk        = IXP4XX_UART_XTAL,
 196 +       },
 197 +       { },
 198 +};
 199 +
 200 +static struct platform_device cambria_uart = {
 201 +       .name           = "serial8250",
 202 +       .id             = PLAT8250_DEV_PLATFORM,
 203 +       .dev = {
 204 +               .platform_data  = cambria_uart_data,
 205 +       },
 206 +       .num_resources  = 1,
 207 +       .resource       = &cambria_uart_resource,
 208 +};
 209 +
 210 +static struct resource cambria_pata_resources[] = {
 211 +       {
 212 +               .flags  = IORESOURCE_MEM
 213 +       },
 214 +       {
 215 +               .flags  = IORESOURCE_MEM,
 216 +       },
 217 +       {
 218 +               .name   = "intrq",
 219 +               .start  = IRQ_IXP4XX_GPIO12,
 220 +               .end    = IRQ_IXP4XX_GPIO12,
 221 +               .flags  = IORESOURCE_IRQ,
 222 +       },
 223 +};
 224 +
 225 +static struct ixp4xx_pata_data cambria_pata_data = {
 226 +       .cs0_bits       = 0xbfff3c03,
 227 +       .cs1_bits       = 0xbfff3c03,
 228 +};
 229 +
 230 +static struct platform_device cambria_pata = {
 231 +       .name                   = "pata_ixp4xx_cf",
 232 +       .id                     = 0,
 233 +       .dev.platform_data      = &cambria_pata_data,
 234 +       .num_resources          = ARRAY_SIZE(cambria_pata_resources),
 235 +       .resource               = cambria_pata_resources,
 236 +};
 237 +
 238 +static struct gpio_led cambria_gpio_leds[] = {
 239 +       {
 240 +               .name           = "user",  /* green led */
 241 +               .gpio           = 5,
 242 +               .active_low     = 1,
 243 +       }
 244 +};
 245 +
 246 +static struct gpio_led_platform_data cambria_gpio_leds_data = {
 247 +       .num_leds       = 1,
 248 +       .leds           = cambria_gpio_leds,
 249 +};
 250 +
 251 +static struct platform_device cambria_gpio_leds_device = {
 252 +       .name           = "leds-gpio",
 253 +       .id             = -1,
 254 +       .dev.platform_data = &cambria_gpio_leds_data,
 255 +};
 256 +
 257 +static struct latch_led cambria_latch_leds[] = {
 258 +       {
 259 +               .name   = "ledA",  /* green led */
 260 +               .bit    = 0,
 261 +       },
 262 +       {
 263 +               .name   = "ledB",  /* green led */
 264 +               .bit    = 1,
 265 +       },
 266 +       {
 267 +               .name   = "ledC",  /* green led */
 268 +               .bit    = 2,
 269 +       },
 270 +       {
 271 +               .name   = "ledD",  /* green led */
 272 +               .bit    = 3,
 273 +       },
 274 +       {
 275 +               .name   = "ledE",  /* green led */
 276 +               .bit    = 4,
 277 +       },
 278 +       {
 279 +               .name   = "ledF",  /* green led */
 280 +               .bit    = 5,
 281 +       },
 282 +       {
 283 +               .name   = "ledG",  /* green led */
 284 +               .bit    = 6,
 285 +       },
 286 +       {
 287 +               .name   = "ledH",  /* green led */
 288 +               .bit    = 7,
 289 +       }
 290 +};
 291 +
 292 +static struct latch_led_platform_data cambria_latch_leds_data = {
 293 +       .num_leds       = 8,
 294 +       .leds           = cambria_latch_leds,
 295 +       .mem            = 0x53F40000,
 296 +};
 297 +
 298 +static struct platform_device cambria_latch_leds_device = {
 299 +       .name           = "leds-latch",
 300 +       .id             = -1,
 301 +       .dev.platform_data = &cambria_latch_leds_data,
 302 +};
 303 +
 304 +static struct resource cambria_usb0_resources[] = {
 305 +       {
 306 +               .start  = 0xCD000000,
 307 +               .end    = 0xCD000300,
 308 +               .flags  = IORESOURCE_MEM,
 309 +       },
 310 +       {
 311 +               .start  = 32,
 312 +               .flags  = IORESOURCE_IRQ,
 313 +       },
 314 +};
 315 +
 316 +static struct resource cambria_usb1_resources[] = {
 317 +       {
 318 +               .start  = 0xCE000000,
 319 +               .end    = 0xCE000300,
 320 +               .flags  = IORESOURCE_MEM,
 321 +       },
 322 +       {
 323 +               .start  = 33,
 324 +               .flags  = IORESOURCE_IRQ,
 325 +       },
 326 +};
 327 +
 328 +static u64 ehci_dma_mask = ~(u32)0;
 329 +
 330 +static struct platform_device cambria_usb0_device =  {
 331 +       .name           = "ixp4xx-ehci",
 332 +       .id             = 0,
 333 +       .resource       = cambria_usb0_resources,
 334 +       .num_resources  = ARRAY_SIZE(cambria_usb0_resources),
 335 +       .dev = {
 336 +               .dma_mask               = &ehci_dma_mask,
 337 +               .coherent_dma_mask      = 0xffffffff,
 338 +       },
 339 +};
 340 +
 341 +static struct platform_device cambria_usb1_device = {
 342 +       .name           = "ixp4xx-ehci",
 343 +       .id             = 1,
 344 +       .resource       = cambria_usb1_resources,
 345 +       .num_resources  = ARRAY_SIZE(cambria_usb1_resources),
 346 +       .dev = {
 347 +               .dma_mask               = &ehci_dma_mask,
 348 +               .coherent_dma_mask      = 0xffffffff,
 349 +       },
 350 +};
 351 +
 352 +static struct platform_device *cambria_devices[] __initdata = {
 353 +       &cambria_i2c_gpio,
 354 +       &cambria_flash,
 355 +       &cambria_uart,
 356 +};
 357 +
 358 +static void __init cambria_gw23xx_setup(void)
 359 +{
 360 +       platform_device_register(&cambria_npec_device);
 361 +       platform_device_register(&cambria_npea_device);
 362 +}
 363 +
 364 +static void __init cambria_gw2350_setup(void)
 365 +{
 366 +       platform_device_register(&cambria_npec_device);
 367 +       platform_device_register(&cambria_npea_device);
 368 +
 369 +       platform_device_register(&cambria_usb0_device);
 370 +       platform_device_register(&cambria_usb1_device);
 371 +
 372 +       platform_device_register(&cambria_gpio_leds_device);
 373 +}
 374 +
 375 +static void __init cambria_gw2358_setup(void)
 376 +{
 377 +       platform_device_register(&cambria_npec_device);
 378 +       platform_device_register(&cambria_npea_device);
 379 +
 380 +       platform_device_register(&cambria_usb0_device);
 381 +       platform_device_register(&cambria_usb1_device);
 382 +
 383 +       platform_device_register(&cambria_pata);
 384 +
 385 +       platform_device_register(&cambria_latch_leds_device);
 386 +}
 387 +
 388 +static struct cambria_board_info cambria_boards[] __initdata = {
 389 +       {
 390 +               .model  = "GW2350",
 391 +               .setup  = cambria_gw2350_setup,
 392 +       }, {
 393 +               .model  = "GW2358",
 394 +               .setup  = cambria_gw2358_setup,
 395 +       }
 396 +};
 397 +
 398 +static struct cambria_board_info * __init cambria_find_board_info(char *model)
 399 +{
 400 +       int i;
 401 +       model[6] = '\0';
 402 +
 403 +       for (i = 0; i < ARRAY_SIZE(cambria_boards); i++) {
 404 +               struct cambria_board_info *info = &cambria_boards[i];
 405 +               if (strcmp(info->model, model) == 0)
 406 +                       return info;
 407 +       }
 408 +
 409 +       return NULL;
 410 +}
 411 +
 412 +static struct memory_accessor *at24_mem_acc;
 413 +
 414 +static void at24_setup(struct memory_accessor *mem_acc, void *context)
 415 +{
 416 +       char mac_addr[ETH_ALEN];
 417 +       char model[7];
 418 +
 419 +       at24_mem_acc = mem_acc;
 420 +
 421 +       /* Read MAC addresses */
 422 +       if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x0, 6) == 6) {
 423 +               memcpy(&cambria_npec_data.hwaddr, mac_addr, ETH_ALEN);
 424 +       }
 425 +       if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x6, 6) == 6) {
 426 +               memcpy(&cambria_npea_data.hwaddr, mac_addr, ETH_ALEN);
 427 +       }
 428 +
 429 +       /* Read the first 6 bytes of the model number */
 430 +       if (at24_mem_acc->read(at24_mem_acc, model, 0x20, 6) == 6) {
 431 +               cambria_info = cambria_find_board_info(model);
 432 +       }
 433 +
 434 +}
 435 +
 436 +static struct at24_platform_data cambria_eeprom_info = {
 437 +       .byte_len       = 1024,
 438 +       .page_size      = 16,
 439 +       .flags          = AT24_FLAG_READONLY,
 440 +       .setup          = at24_setup,
 441 +};
 442 +
 443 +static struct i2c_board_info __initdata cambria_i2c_board_info[] = {
 444 +       {
 445 +               I2C_BOARD_INFO("ds1672", 0x68),
 446 +       },
 447 +       {
 448 +               I2C_BOARD_INFO("ad7418", 0x28),
 449 +       },
 450 +       {
 451 +               I2C_BOARD_INFO("24c08", 0x51),
 452 +               .platform_data  = &cambria_eeprom_info
 453 +       },
 454 +};
 455 +
 456 +static void __init cambria_init(void)
 457 +{
 458 +       ixp4xx_sys_init();
 459 +
 460 +       cambria_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 461 +       cambria_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
 462 +
 463 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
 464 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 465 +
 466 +       platform_add_devices(cambria_devices, ARRAY_SIZE(cambria_devices));
 467 +
 468 +       cambria_pata_resources[0].start = 0x53e00000;
 469 +       cambria_pata_resources[0].end = 0x53e3ffff;
 470 +
 471 +       cambria_pata_resources[1].start = 0x53e40000;
 472 +       cambria_pata_resources[1].end = 0x53e7ffff;
 473 +
 474 +       cambria_pata_data.cs0_cfg = IXP4XX_EXP_CS3;
 475 +       cambria_pata_data.cs1_cfg = IXP4XX_EXP_CS3;
 476 +
 477 +       i2c_register_board_info(0, cambria_i2c_board_info,
 478 +                               ARRAY_SIZE(cambria_i2c_board_info));
 479 +}
 480 +
 481 +static int __init cambria_model_setup(void)
 482 +{
 483 +       if (!machine_is_cambria())
 484 +               return 0;
 485 +
 486 +       if (cambria_info) {
 487 +               printk(KERN_DEBUG "Running on Gateworks Cambria %s\n",
 488 +                               cambria_info->model);
 489 +               cambria_info->setup();
 490 +       } else {
 491 +               printk(KERN_INFO "Unknown/missing Cambria model number"
 492 +                               " -- defaults will be used\n");
 493 +               cambria_gw23xx_setup();
 494 +       }
 495 +
 496 +       return 0;
 497 +}
 498 +late_initcall(cambria_model_setup);
 499 +
 500 +MACHINE_START(CAMBRIA, "Gateworks Cambria series")
 501 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 502 +       .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
 503 +       .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
 504 +       .map_io         = ixp4xx_map_io,
 505 +       .init_irq       = ixp4xx_init_irq,
 506 +       .timer          = &ixp4xx_timer,
 507 +       .boot_params    = 0x0100,
 508 +       .init_machine   = cambria_init,
 509 +MACHINE_END
 510 --- a/arch/arm/mach-ixp4xx/Kconfig
 511 +++ b/arch/arm/mach-ixp4xx/Kconfig
 512 @@ -25,6 +25,14 @@ config MACH_AVILA
 513           Avila Network Platform. For more information on this platform,
 514           see <file:Documentation/arm/IXP4xx>.
 515
 516 +config MACH_CAMBRIA
 517 +       bool "Cambria"
 518 +       select PCI
 519 +       help
 520 +         Say 'Y' here if you want your kernel to support the Gateworks
 521 +         Cambria series. For more information on this platform,
 522 +         see <file:Documentation/arm/IXP4xx>.
 523 +
 524  config MACH_LOFT
 525      bool "Loft"
 526      depends on MACH_AVILA
 527 @@ -222,7 +230,7 @@ config CPU_IXP46X
 528
 529  config CPU_IXP43X
 530         bool
 531 -       depends on MACH_KIXRP435
 532 +       depends on MACH_KIXRP435 || MACH_CAMBRIA
 533         default y
 534
 535  config MACH_GTWX5715
 536 --- a/arch/arm/mach-ixp4xx/Makefile
 537 +++ b/arch/arm/mach-ixp4xx/Makefile
 538 @@ -7,6 +7,7 @@ obj-pci-n       :=
 539
 540  obj-pci-$(CONFIG_ARCH_IXDP4XX)         += ixdp425-pci.o
 541  obj-pci-$(CONFIG_MACH_AVILA)           += avila-pci.o
 542 +obj-pci-$(CONFIG_MACH_CAMBRIA)         += cambria-pci.o
 543  obj-pci-$(CONFIG_MACH_IXDPG425)                += ixdpg425-pci.o
 544  obj-pci-$(CONFIG_ARCH_ADI_COYOTE)      += coyote-pci.o
 545  obj-pci-$(CONFIG_MACH_GTWX5715)                += gtwx5715-pci.o
 546 @@ -30,6 +31,7 @@ obj-y += common.o
 547
 548  obj-$(CONFIG_ARCH_IXDP4XX)     += ixdp425-setup.o
 549  obj-$(CONFIG_MACH_AVILA)       += avila-setup.o
 550 +obj-$(CONFIG_MACH_CAMBRIA)     += cambria-setup.o
 551  obj-$(CONFIG_MACH_IXDPG425)    += coyote-setup.o
 552  obj-$(CONFIG_ARCH_ADI_COYOTE)  += coyote-setup.o
 553  obj-$(CONFIG_MACH_GTWX5715)    += gtwx5715-setup.o