target/linux/brcm63xx/patches-4.4/207-MIPS-BCM63XX-move-device-registration-code-into-its-.patch

   1 From 5a50cb0d53344a2429831b00925d6183d4d332e1 Mon Sep 17 00:00:00 2001
   2 From: Jonas Gorski <jogo@openwrt.org>
   3 Date: Sun, 9 Mar 2014 03:54:05 +0100
   4 Subject: [PATCH 40/44] MIPS: BCM63XX: move device registration code into its
   5  own file
   6
   7 Move device registration code into its own file to allow sharing it
   8 between board implementations.
   9
  10 Signed-off-by: Jonas Gorski <jogo@openwrt.org>
  11 ---
  12  arch/mips/bcm63xx/boards/Makefile         |   1 +
  13  arch/mips/bcm63xx/boards/board_bcm963xx.c | 188 +-------------------------
  14  arch/mips/bcm63xx/boards/board_common.c   | 215 ++++++++++++++++++++++++++++++
  15  arch/mips/bcm63xx/boards/board_common.h   |   8 ++
  16  4 files changed, 223 insertions(+), 183 deletions(-)
  17  create mode 100644 arch/mips/bcm63xx/boards/board_common.c
  18  create mode 100644 arch/mips/bcm63xx/boards/board_common.h
  19
  20 --- a/arch/mips/bcm63xx/boards/Makefile
  21 +++ b/arch/mips/bcm63xx/boards/Makefile
  22 @@ -1 +1,2 @@
  23 +obj-y                                  += board_common.o
  24  obj-$(CONFIG_BOARD_BCM963XX)           += board_bcm963xx.o
  25 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
  26 +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
  27 @@ -12,34 +12,21 @@
  28  #include <linux/init.h>
  29  #include <linux/kernel.h>
  30  #include <linux/string.h>
  31 -#include <linux/platform_device.h>
  32 -#include <linux/ssb/ssb.h>
  33  #include <asm/addrspace.h>
  34  #include <bcm63xx_board.h>
  35  #include <bcm63xx_cpu.h>
  36 -#include <bcm63xx_dev_uart.h>
  37  #include <bcm63xx_regs.h>
  38  #include <bcm63xx_io.h>
  39  #include <bcm63xx_nvram.h>
  40 -#include <bcm63xx_dev_pci.h>
  41 -#include <bcm63xx_dev_enet.h>
  42 -#include <bcm63xx_dev_dsp.h>
  43 -#include <bcm63xx_dev_flash.h>
  44 -#include <bcm63xx_dev_hsspi.h>
  45 -#include <bcm63xx_dev_pcmcia.h>
  46 -#include <bcm63xx_dev_spi.h>
  47 -#include <bcm63xx_dev_usb_ehci.h>
  48 -#include <bcm63xx_dev_usb_ohci.h>
  49 -#include <bcm63xx_dev_usb_usbd.h>
  50  #include <board_bcm963xx.h>
  51
  52 +#include "board_common.h"
  53 +
  54  #include <uapi/linux/bcm933xx_hcs.h>
  55
  56
  57  #define HCS_OFFSET_128K                        0x20000
  58
  59 -static struct board_info board;
  60 -
  61  /*
  62   * known 3368 boards
  63   */
  64 @@ -712,52 +699,6 @@ static const struct board_info __initcon
  65  };
  66
  67  /*
  68 - * Register a sane SPROMv2 to make the on-board
  69 - * bcm4318 WLAN work
  70 - */
  71 -#ifdef CONFIG_SSB_PCIHOST
  72 -static struct ssb_sprom bcm63xx_sprom = {
  73 -       .revision               = 0x02,
  74 -       .board_rev              = 0x17,
  75 -       .country_code           = 0x0,
  76 -       .ant_available_bg       = 0x3,
  77 -       .pa0b0                  = 0x15ae,
  78 -       .pa0b1                  = 0xfa85,
  79 -       .pa0b2                  = 0xfe8d,
  80 -       .pa1b0                  = 0xffff,
  81 -       .pa1b1                  = 0xffff,
  82 -       .pa1b2                  = 0xffff,
  83 -       .gpio0                  = 0xff,
  84 -       .gpio1                  = 0xff,
  85 -       .gpio2                  = 0xff,
  86 -       .gpio3                  = 0xff,
  87 -       .maxpwr_bg              = 0x004c,
  88 -       .itssi_bg               = 0x00,
  89 -       .boardflags_lo          = 0x2848,
  90 -       .boardflags_hi          = 0x0000,
  91 -};
  92 -
  93 -int bcm63xx_get_fallback_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
  94 -{
  95 -       if (bus->bustype == SSB_BUSTYPE_PCI) {
  96 -               memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom));
  97 -               return 0;
  98 -       } else {
  99 -               pr_err("unable to fill SPROM for given bustype\n");
 100 -               return -EINVAL;
 101 -       }
 102 -}
 103 -#endif
 104 -
 105 -/*
 106 - * return board name for /proc/cpuinfo
 107 - */
 108 -const char *board_get_name(void)
 109 -{
 110 -       return board.name;
 111 -}
 112 -
 113 -/*
 114   * early init callback, read nvram data from flash and checksum it
 115   */
 116  void __init board_prom_init(void)
 117 @@ -802,140 +743,15 @@ void __init board_prom_init(void)
 118                 if (strncmp(board_name, bcm963xx_boards[i]->name, 16))
 119                         continue;
 120                 /* copy, board desc array is marked initdata */
 121 -               memcpy(&board, bcm963xx_boards[i], sizeof(board));
 122 +               board_early_setup(bcm963xx_boards[i]);
 123                 break;
 124         }
 125
 126 -       /* bail out if board is not found, will complain later */
 127 -       if (!board.name[0]) {
 128 +       /* warn if board is not found, will complain later */
 129 +       if (i == ARRAY_SIZE(bcm963xx_boards)) {
 130                 char name[17];
 131                 memcpy(name, board_name, 16);
 132                 name[16] = 0;
 133                 pr_err("unknown bcm963xx board: %s\n", name);
 134 -               return;
 135 -       }
 136 -
 137 -       /* setup pin multiplexing depending on board enabled device,
 138 -        * this has to be done this early since PCI init is done
 139 -        * inside arch_initcall */
 140 -       val = 0;
 141 -
 142 -#ifdef CONFIG_PCI
 143 -       if (board.has_pci) {
 144 -               bcm63xx_pci_enabled = 1;
 145 -               if (BCMCPU_IS_6348())
 146 -                       val |= GPIO_MODE_6348_G2_PCI;
 147 -       }
 148 -#endif
 149 -
 150 -       if (board.has_pccard) {
 151 -               if (BCMCPU_IS_6348())
 152 -                       val |= GPIO_MODE_6348_G1_MII_PCCARD;
 153 -       }
 154 -
 155 -       if (board.has_enet0 && !board.enet0.use_internal_phy) {
 156 -               if (BCMCPU_IS_6348())
 157 -                       val |= GPIO_MODE_6348_G3_EXT_MII |
 158 -                               GPIO_MODE_6348_G0_EXT_MII;
 159 -       }
 160 -
 161 -       if (board.has_enet1 && !board.enet1.use_internal_phy) {
 162 -               if (BCMCPU_IS_6348())
 163 -                       val |= GPIO_MODE_6348_G3_EXT_MII |
 164 -                               GPIO_MODE_6348_G0_EXT_MII;
 165 -       }
 166 -
 167 -       bcm_gpio_writel(val, GPIO_MODE_REG);
 168 -}
 169 -
 170 -/*
 171 - * second stage init callback, good time to panic if we couldn't
 172 - * identify on which board we're running since early printk is working
 173 - */
 174 -void __init board_setup(void)
 175 -{
 176 -       if (!board.name[0])
 177 -               panic("unable to detect bcm963xx board");
 178 -       pr_info("board name: %s\n", board.name);
 179 -
 180 -       /* make sure we're running on expected cpu */
 181 -       if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
 182 -               panic("unexpected CPU for bcm963xx board");
 183 -}
 184 -
 185 -static struct gpio_led_platform_data bcm63xx_led_data;
 186 -
 187 -static struct platform_device bcm63xx_gpio_leds = {
 188 -       .name                   = "leds-gpio",
 189 -       .id                     = 0,
 190 -       .dev.platform_data      = &bcm63xx_led_data,
 191 -};
 192 -
 193 -/*
 194 - * third stage init callback, register all board devices.
 195 - */
 196 -int __init board_register_devices(void)
 197 -{
 198 -       if (board.has_uart0)
 199 -               bcm63xx_uart_register(0);
 200 -
 201 -       if (board.has_uart1)
 202 -               bcm63xx_uart_register(1);
 203 -
 204 -       if (board.has_pccard)
 205 -               bcm63xx_pcmcia_register();
 206 -
 207 -       if (board.has_enet0 &&
 208 -           !bcm63xx_nvram_get_mac_address(board.enet0.mac_addr))
 209 -               bcm63xx_enet_register(0, &board.enet0);
 210 -
 211 -       if (board.has_enet1 &&
 212 -           !bcm63xx_nvram_get_mac_address(board.enet1.mac_addr))
 213 -               bcm63xx_enet_register(1, &board.enet1);
 214 -
 215 -       if (board.has_enetsw &&
 216 -           !bcm63xx_nvram_get_mac_address(board.enetsw.mac_addr))
 217 -               bcm63xx_enetsw_register(&board.enetsw);
 218 -
 219 -       if (board.has_usbd)
 220 -               bcm63xx_usbd_register(&board.usbd);
 221 -
 222 -       if (board.has_ehci0)
 223 -               bcm63xx_ehci_register();
 224 -
 225 -       if (board.has_ohci0)
 226 -               bcm63xx_ohci_register();
 227 -
 228 -       if (board.has_dsp)
 229 -               bcm63xx_dsp_register(&board.dsp);
 230 -
 231 -       /* Generate MAC address for WLAN and register our SPROM,
 232 -        * do this after registering enet devices
 233 -        */
 234 -#ifdef CONFIG_SSB_PCIHOST
 235 -       if (!bcm63xx_nvram_get_mac_address(bcm63xx_sprom.il0mac)) {
 236 -               memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
 237 -               memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
 238 -               if (ssb_arch_register_fallback_sprom(
 239 -                               &bcm63xx_get_fallback_sprom) < 0)
 240 -                       pr_err("failed to register fallback SPROM\n");
 241         }
 242 -#endif
 243 -
 244 -       bcm63xx_spi_register();
 245 -
 246 -       bcm63xx_hsspi_register();
 247 -
 248 -       bcm63xx_flash_register();
 249 -
 250 -       bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
 251 -       bcm63xx_led_data.leds = board.leds;
 252 -
 253 -       platform_device_register(&bcm63xx_gpio_leds);
 254 -
 255 -       if (board.ephy_reset_gpio && board.ephy_reset_gpio_flags)
 256 -               gpio_request_one(board.ephy_reset_gpio,
 257 -                               board.ephy_reset_gpio_flags, "ephy-reset");
 258 -
 259 -       return 0;
 260  }
 261 --- /dev/null
 262 +++ b/arch/mips/bcm63xx/boards/board_common.c
 263 @@ -0,0 +1,218 @@
 264 +/*
 265 + * This file is subject to the terms and conditions of the GNU General Public
 266 + * License.  See the file "COPYING" in the main directory of this archive
 267 + * for more details.
 268 + *
 269 + * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
 270 + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
 271 + */
 272 +
 273 +#include <linux/init.h>
 274 +#include <linux/kernel.h>
 275 +#include <linux/string.h>
 276 +#include <linux/platform_device.h>
 277 +#include <linux/ssb/ssb.h>
 278 +#include <asm/addrspace.h>
 279 +#include <bcm63xx_board.h>
 280 +#include <bcm63xx_cpu.h>
 281 +#include <bcm63xx_dev_uart.h>
 282 +#include <bcm63xx_regs.h>
 283 +#include <bcm63xx_io.h>
 284 +#include <bcm63xx_nvram.h>
 285 +#include <bcm63xx_gpio.h>
 286 +#include <bcm63xx_dev_pci.h>
 287 +#include <bcm63xx_dev_enet.h>
 288 +#include <bcm63xx_dev_dsp.h>
 289 +#include <bcm63xx_dev_flash.h>
 290 +#include <bcm63xx_dev_hsspi.h>
 291 +#include <bcm63xx_dev_pcmcia.h>
 292 +#include <bcm63xx_dev_spi.h>
 293 +#include <bcm63xx_dev_usb_ehci.h>
 294 +#include <bcm63xx_dev_usb_ohci.h>
 295 +#include <bcm63xx_dev_usb_usbd.h>
 296 +#include <board_bcm963xx.h>
 297 +
 298 +#define PFX    "board: "
 299 +
 300 +static struct board_info board;
 301 +
 302 +/*
 303 + * Register a sane SPROMv2 to make the on-board
 304 + * bcm4318 WLAN work
 305 + */
 306 +#ifdef CONFIG_SSB_PCIHOST
 307 +static struct ssb_sprom bcm63xx_sprom = {
 308 +       .revision               = 0x02,
 309 +       .board_rev              = 0x17,
 310 +       .country_code           = 0x0,
 311 +       .ant_available_bg       = 0x3,
 312 +       .pa0b0                  = 0x15ae,
 313 +       .pa0b1                  = 0xfa85,
 314 +       .pa0b2                  = 0xfe8d,
 315 +       .pa1b0                  = 0xffff,
 316 +       .pa1b1                  = 0xffff,
 317 +       .pa1b2                  = 0xffff,
 318 +       .gpio0                  = 0xff,
 319 +       .gpio1                  = 0xff,
 320 +       .gpio2                  = 0xff,
 321 +       .gpio3                  = 0xff,
 322 +       .maxpwr_bg              = 0x004c,
 323 +       .itssi_bg               = 0x00,
 324 +       .boardflags_lo          = 0x2848,
 325 +       .boardflags_hi          = 0x0000,
 326 +};
 327 +
 328 +int bcm63xx_get_fallback_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
 329 +{
 330 +       if (bus->bustype == SSB_BUSTYPE_PCI) {
 331 +               memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom));
 332 +               return 0;
 333 +       } else {
 334 +               printk(KERN_ERR PFX "unable to fill SPROM for given bustype.\n");
 335 +               return -EINVAL;
 336 +       }
 337 +}
 338 +#endif
 339 +
 340 +/*
 341 + * return board name for /proc/cpuinfo
 342 + */
 343 +const char *board_get_name(void)
 344 +{
 345 +       return board.name;
 346 +}
 347 +
 348 +/*
 349 + * setup board for device registration
 350 + */
 351 +void __init board_early_setup(const struct board_info *target)
 352 +{
 353 +       u32 val;
 354 +
 355 +       memcpy(&board, target, sizeof(board));
 356 +
 357 +       /* setup pin multiplexing depending on board enabled device,
 358 +        * this has to be done this early since PCI init is done
 359 +        * inside arch_initcall */
 360 +       val = 0;
 361 +
 362 +#ifdef CONFIG_PCI
 363 +       if (board.has_pci) {
 364 +               bcm63xx_pci_enabled = 1;
 365 +               if (BCMCPU_IS_6348())
 366 +                       val |= GPIO_MODE_6348_G2_PCI;
 367 +       }
 368 +#endif
 369 +
 370 +       if (board.has_pccard) {
 371 +               if (BCMCPU_IS_6348())
 372 +                       val |= GPIO_MODE_6348_G1_MII_PCCARD;
 373 +       }
 374 +
 375 +       if (board.has_enet0 && !board.enet0.use_internal_phy) {
 376 +               if (BCMCPU_IS_6348())
 377 +                       val |= GPIO_MODE_6348_G3_EXT_MII |
 378 +                               GPIO_MODE_6348_G0_EXT_MII;
 379 +       }
 380 +
 381 +       if (board.has_enet1 && !board.enet1.use_internal_phy) {
 382 +               if (BCMCPU_IS_6348())
 383 +                       val |= GPIO_MODE_6348_G3_EXT_MII |
 384 +                               GPIO_MODE_6348_G0_EXT_MII;
 385 +       }
 386 +
 387 +       bcm_gpio_writel(val, GPIO_MODE_REG);
 388 +}
 389 +
 390 +
 391 +/*
 392 + * second stage init callback, good time to panic if we couldn't
 393 + * identify on which board we're running since early printk is working
 394 + */
 395 +void __init board_setup(void)
 396 +{
 397 +       if (!board.name[0])
 398 +               panic("unable to detect bcm963xx board");
 399 +       printk(KERN_INFO PFX "board name: %s\n", board.name);
 400 +
 401 +       /* make sure we're running on expected cpu */
 402 +       if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
 403 +               panic("unexpected CPU for bcm963xx board");
 404 +}
 405 +
 406 +static struct gpio_led_platform_data bcm63xx_led_data;
 407 +
 408 +static struct platform_device bcm63xx_gpio_leds = {
 409 +       .name                   = "leds-gpio",
 410 +       .id                     = 0,
 411 +       .dev.platform_data      = &bcm63xx_led_data,
 412 +};
 413 +
 414 +/*
 415 + * third stage init callback, register all board devices.
 416 + */
 417 +int __init board_register_devices(void)
 418 +{
 419 +       if (board.has_uart0)
 420 +               bcm63xx_uart_register(0);
 421 +
 422 +       if (board.has_uart1)
 423 +               bcm63xx_uart_register(1);
 424 +
 425 +       if (board.has_pccard)
 426 +               bcm63xx_pcmcia_register();
 427 +
 428 +       if (board.has_enet0 &&
 429 +           !bcm63xx_nvram_get_mac_address(board.enet0.mac_addr))
 430 +               bcm63xx_enet_register(0, &board.enet0);
 431 +
 432 +       if (board.has_enet1 &&
 433 +           !bcm63xx_nvram_get_mac_address(board.enet1.mac_addr))
 434 +               bcm63xx_enet_register(1, &board.enet1);
 435 +
 436 +       if (board.has_enetsw &&
 437 +           !bcm63xx_nvram_get_mac_address(board.enetsw.mac_addr))
 438 +               bcm63xx_enetsw_register(&board.enetsw);
 439 +
 440 +       if (board.has_usbd)
 441 +               bcm63xx_usbd_register(&board.usbd);
 442 +
 443 +       if (board.has_ehci0)
 444 +               bcm63xx_ehci_register();
 445 +
 446 +       if (board.has_ohci0)
 447 +               bcm63xx_ohci_register();
 448 +
 449 +       if (board.has_dsp)
 450 +               bcm63xx_dsp_register(&board.dsp);
 451 +
 452 +       /* Generate MAC address for WLAN and register our SPROM,
 453 +        * do this after registering enet devices
 454 +        */
 455 +#ifdef CONFIG_SSB_PCIHOST
 456 +       if (!bcm63xx_nvram_get_mac_address(bcm63xx_sprom.il0mac)) {
 457 +               memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
 458 +               memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
 459 +               if (ssb_arch_register_fallback_sprom(
 460 +                               &bcm63xx_get_fallback_sprom) < 0)
 461 +                       pr_err(PFX "failed to register fallback SPROM\n");
 462 +       }
 463 +#endif
 464 +
 465 +       bcm63xx_spi_register();
 466 +
 467 +       bcm63xx_hsspi_register();
 468 +
 469 +       bcm63xx_flash_register();
 470 +
 471 +       bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
 472 +       bcm63xx_led_data.leds = board.leds;
 473 +
 474 +       platform_device_register(&bcm63xx_gpio_leds);
 475 +
 476 +       if (board.ephy_reset_gpio && board.ephy_reset_gpio_flags)
 477 +               gpio_request_one(board.ephy_reset_gpio,
 478 +                               board.ephy_reset_gpio_flags, "ephy-reset");
 479 +
 480 +       return 0;
 481 +}
 482 --- /dev/null
 483 +++ b/arch/mips/bcm63xx/boards/board_common.h
 484 @@ -0,0 +1,8 @@
 485 +#ifndef __BOARD_COMMON_H
 486 +#define __BOARD_COMMON_H
 487 +
 488 +#include <board_bcm963xx.h>
 489 +
 490 +void board_early_setup(const struct board_info *board);
 491 +
 492 +#endif /* __BOARD_COMMON_H */