target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c

   1 /*
   2  *  Atheros AR71xx SoC platform devices
   3  *
   4  *  Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
   5  *  Copyright (C) 2008-2012 Gabor Juhos <juhosg@openwrt.org>
   6  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
   7  *
   8  *  Parts of this file are based on Atheros 2.6.15 BSP
   9  *  Parts of this file are based on Atheros 2.6.31 BSP
  10  *
  11  *  This program is free software; you can redistribute it and/or modify it
  12  *  under the terms of the GNU General Public License version 2 as published
  13  *  by the Free Software Foundation.
  14  */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/delay.h>
  19 #include <linux/etherdevice.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/serial_8250.h>
  22 #include <linux/clk.h>
  23 #include <linux/sizes.h>
  24
  25 #include <asm/mach-ath79/ath79.h>
  26 #include <asm/mach-ath79/ar71xx_regs.h>
  27 #include <asm/mach-ath79/irq.h>
  28
  29 #include "common.h"
  30 #include "dev-eth.h"
  31
  32 unsigned char ath79_mac_base[ETH_ALEN] __initdata;
  33
  34 static struct resource ath79_mdio0_resources[] = {
  35         {
  36                 .name   = "mdio_base",
  37                 .flags  = IORESOURCE_MEM,
  38                 .start  = AR71XX_GE0_BASE,
  39                 .end    = AR71XX_GE0_BASE + 0x200 - 1,
  40         }
  41 };
  42
  43 struct ag71xx_mdio_platform_data ath79_mdio0_data;
  44
  45 struct platform_device ath79_mdio0_device = {
  46         .name           = "ag71xx-mdio",
  47         .id             = 0,
  48         .resource       = ath79_mdio0_resources,
  49         .num_resources  = ARRAY_SIZE(ath79_mdio0_resources),
  50         .dev = {
  51                 .platform_data = &ath79_mdio0_data,
  52         },
  53 };
  54
  55 static struct resource ath79_mdio1_resources[] = {
  56         {
  57                 .name   = "mdio_base",
  58                 .flags  = IORESOURCE_MEM,
  59                 .start  = AR71XX_GE1_BASE,
  60                 .end    = AR71XX_GE1_BASE + 0x200 - 1,
  61         }
  62 };
  63
  64 struct ag71xx_mdio_platform_data ath79_mdio1_data;
  65
  66 struct platform_device ath79_mdio1_device = {
  67         .name           = "ag71xx-mdio",
  68         .id             = 1,
  69         .resource       = ath79_mdio1_resources,
  70         .num_resources  = ARRAY_SIZE(ath79_mdio1_resources),
  71         .dev = {
  72                 .platform_data = &ath79_mdio1_data,
  73         },
  74 };
  75
  76 static void ath79_set_pll(u32 cfg_reg, u32 pll_reg, u32 pll_val, u32 shift)
  77 {
  78         void __iomem *base;
  79         u32 t;
  80
  81         base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
  82
  83         t = __raw_readl(base + cfg_reg);
  84         t &= ~(3 << shift);
  85         t |=  (2 << shift);
  86         __raw_writel(t, base + cfg_reg);
  87         udelay(100);
  88
  89         __raw_writel(pll_val, base + pll_reg);
  90
  91         t |= (3 << shift);
  92         __raw_writel(t, base + cfg_reg);
  93         udelay(100);
  94
  95         t &= ~(3 << shift);
  96         __raw_writel(t, base + cfg_reg);
  97         udelay(100);
  98
  99         printk(KERN_DEBUG "ar71xx: pll_reg %#x: %#x\n",
 100                 (unsigned int)(base + pll_reg), __raw_readl(base + pll_reg));
 101
 102         iounmap(base);
 103 }
 104
 105 static void __init ath79_mii_ctrl_set_if(unsigned int reg,
 106                                           unsigned int mii_if)
 107 {
 108         void __iomem *base;
 109         u32 t;
 110
 111         base = ioremap(AR71XX_MII_BASE, AR71XX_MII_SIZE);
 112
 113         t = __raw_readl(base + reg);
 114         t &= ~(AR71XX_MII_CTRL_IF_MASK);
 115         t |= (mii_if & AR71XX_MII_CTRL_IF_MASK);
 116         __raw_writel(t, base + reg);
 117
 118         iounmap(base);
 119 }
 120
 121 static void ath79_mii_ctrl_set_speed(unsigned int reg, unsigned int speed)
 122 {
 123         void __iomem *base;
 124         unsigned int mii_speed;
 125         u32 t;
 126
 127         switch (speed) {
 128         case SPEED_10:
 129                 mii_speed =  AR71XX_MII_CTRL_SPEED_10;
 130                 break;
 131         case SPEED_100:
 132                 mii_speed =  AR71XX_MII_CTRL_SPEED_100;
 133                 break;
 134         case SPEED_1000:
 135                 mii_speed =  AR71XX_MII_CTRL_SPEED_1000;
 136                 break;
 137         default:
 138                 BUG();
 139         }
 140
 141         base = ioremap(AR71XX_MII_BASE, AR71XX_MII_SIZE);
 142
 143         t = __raw_readl(base + reg);
 144         t &= ~(AR71XX_MII_CTRL_SPEED_MASK << AR71XX_MII_CTRL_SPEED_SHIFT);
 145         t |= mii_speed  << AR71XX_MII_CTRL_SPEED_SHIFT;
 146         __raw_writel(t, base + reg);
 147
 148         iounmap(base);
 149 }
 150
 151 static unsigned long ar934x_get_mdio_ref_clock(void)
 152 {
 153         void __iomem *base;
 154         unsigned long ret;
 155         u32 t;
 156
 157         base = ioremap(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
 158
 159         ret = 0;
 160         t = __raw_readl(base + AR934X_PLL_SWITCH_CLOCK_CONTROL_REG);
 161         if (t & AR934X_PLL_SWITCH_CLOCK_CONTROL_MDIO_CLK_SEL) {
 162                 ret = 100 * 1000 * 1000;
 163         } else {
 164                 struct clk *clk;
 165
 166                 clk = clk_get(NULL, "ref");
 167                 if (!IS_ERR(clk))
 168                         ret = clk_get_rate(clk);
 169         }
 170
 171         iounmap(base);
 172
 173         return ret;
 174 }
 175
 176 void __init ath79_register_mdio(unsigned int id, u32 phy_mask)
 177 {
 178         struct platform_device *mdio_dev;
 179         struct ag71xx_mdio_platform_data *mdio_data;
 180         unsigned int max_id;
 181
 182         if (ath79_soc == ATH79_SOC_AR9341 ||
 183             ath79_soc == ATH79_SOC_AR9342 ||
 184             ath79_soc == ATH79_SOC_AR9344 ||
 185             ath79_soc == ATH79_SOC_QCA9556 ||
 186             ath79_soc == ATH79_SOC_QCA9558 ||
 187             ath79_soc == ATH79_SOC_QCA956X)
 188                 max_id = 1;
 189         else
 190                 max_id = 0;
 191
 192         if (id > max_id) {
 193                 printk(KERN_ERR "ar71xx: invalid MDIO id %u\n", id);
 194                 return;
 195         }
 196
 197         switch (ath79_soc) {
 198         case ATH79_SOC_AR7241:
 199         case ATH79_SOC_AR9330:
 200         case ATH79_SOC_AR9331:
 201         case ATH79_SOC_QCA9533:
 202         case ATH79_SOC_TP9343:
 203                 mdio_dev = &ath79_mdio1_device;
 204                 mdio_data = &ath79_mdio1_data;
 205                 break;
 206
 207         case ATH79_SOC_AR9341:
 208         case ATH79_SOC_AR9342:
 209         case ATH79_SOC_AR9344:
 210         case ATH79_SOC_QCA9556:
 211         case ATH79_SOC_QCA9558:
 212         case ATH79_SOC_QCA956X:
 213                 if (id == 0) {
 214                         mdio_dev = &ath79_mdio0_device;
 215                         mdio_data = &ath79_mdio0_data;
 216                 } else {
 217                         mdio_dev = &ath79_mdio1_device;
 218                         mdio_data = &ath79_mdio1_data;
 219                 }
 220                 break;
 221
 222         case ATH79_SOC_AR7242:
 223                 ath79_set_pll(AR71XX_PLL_REG_SEC_CONFIG,
 224                                AR7242_PLL_REG_ETH0_INT_CLOCK, 0x62000000,
 225                                AR71XX_ETH0_PLL_SHIFT);
 226                 /* fall through */
 227         default:
 228                 mdio_dev = &ath79_mdio0_device;
 229                 mdio_data = &ath79_mdio0_data;
 230                 break;
 231         }
 232
 233         mdio_data->phy_mask = phy_mask;
 234
 235         switch (ath79_soc) {
 236         case ATH79_SOC_AR7240:
 237                 mdio_data->is_ar7240 = 1;
 238                 /* fall through */
 239         case ATH79_SOC_AR7241:
 240                 mdio_data->builtin_switch = 1;
 241                 break;
 242
 243         case ATH79_SOC_AR9330:
 244                 mdio_data->is_ar9330 = 1;
 245                 /* fall through */
 246         case ATH79_SOC_AR9331:
 247                 mdio_data->builtin_switch = 1;
 248                 break;
 249
 250         case ATH79_SOC_AR9341:
 251         case ATH79_SOC_AR9342:
 252         case ATH79_SOC_AR9344:
 253                 if (id == 1) {
 254                         mdio_data->builtin_switch = 1;
 255                         mdio_data->ref_clock = ar934x_get_mdio_ref_clock();
 256                         mdio_data->mdio_clock = 6250000;
 257                 }
 258                 mdio_data->is_ar934x = 1;
 259                 break;
 260
 261         case ATH79_SOC_QCA9533:
 262         case ATH79_SOC_TP9343:
 263                 mdio_data->builtin_switch = 1;
 264                 break;
 265
 266         case ATH79_SOC_QCA9556:
 267         case ATH79_SOC_QCA9558:
 268                 mdio_data->is_ar934x = 1;
 269                 break;
 270
 271         case ATH79_SOC_QCA956X:
 272                 if (id == 1)
 273                         mdio_data->builtin_switch = 1;
 274                 mdio_data->is_ar934x = 1;
 275                 break;
 276
 277         default:
 278                 break;
 279         }
 280
 281         platform_device_register(mdio_dev);
 282 }
 283
 284 struct ath79_eth_pll_data ath79_eth0_pll_data;
 285 struct ath79_eth_pll_data ath79_eth1_pll_data;
 286
 287 static u32 ath79_get_eth_pll(unsigned int mac, int speed)
 288 {
 289         struct ath79_eth_pll_data *pll_data;
 290         u32 pll_val;
 291
 292         switch (mac) {
 293         case 0:
 294                 pll_data = &ath79_eth0_pll_data;
 295                 break;
 296         case 1:
 297                 pll_data = &ath79_eth1_pll_data;
 298                 break;
 299         default:
 300                 BUG();
 301         }
 302
 303         switch (speed) {
 304         case SPEED_10:
 305                 pll_val = pll_data->pll_10;
 306                 break;
 307         case SPEED_100:
 308                 pll_val = pll_data->pll_100;
 309                 break;
 310         case SPEED_1000:
 311                 pll_val = pll_data->pll_1000;
 312                 break;
 313         default:
 314                 BUG();
 315         }
 316
 317         return pll_val;
 318 }
 319
 320 static void ath79_set_speed_ge0(int speed)
 321 {
 322         u32 val = ath79_get_eth_pll(0, speed);
 323
 324         ath79_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR71XX_PLL_REG_ETH0_INT_CLOCK,
 325                         val, AR71XX_ETH0_PLL_SHIFT);
 326         ath79_mii_ctrl_set_speed(AR71XX_MII_REG_MII0_CTRL, speed);
 327 }
 328
 329 static void ath79_set_speed_ge1(int speed)
 330 {
 331         u32 val = ath79_get_eth_pll(1, speed);
 332
 333         ath79_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR71XX_PLL_REG_ETH1_INT_CLOCK,
 334                          val, AR71XX_ETH1_PLL_SHIFT);
 335         ath79_mii_ctrl_set_speed(AR71XX_MII_REG_MII1_CTRL, speed);
 336 }
 337
 338 static void ar7242_set_speed_ge0(int speed)
 339 {
 340         u32 val = ath79_get_eth_pll(0, speed);
 341         void __iomem *base;
 342
 343         base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
 344         __raw_writel(val, base + AR7242_PLL_REG_ETH0_INT_CLOCK);
 345         iounmap(base);
 346 }
 347
 348 static void ar91xx_set_speed_ge0(int speed)
 349 {
 350         u32 val = ath79_get_eth_pll(0, speed);
 351
 352         ath79_set_pll(AR913X_PLL_REG_ETH_CONFIG, AR913X_PLL_REG_ETH0_INT_CLOCK,
 353                          val, AR913X_ETH0_PLL_SHIFT);
 354         ath79_mii_ctrl_set_speed(AR71XX_MII_REG_MII0_CTRL, speed);
 355 }
 356
 357 static void ar91xx_set_speed_ge1(int speed)
 358 {
 359         u32 val = ath79_get_eth_pll(1, speed);
 360
 361         ath79_set_pll(AR913X_PLL_REG_ETH_CONFIG, AR913X_PLL_REG_ETH1_INT_CLOCK,
 362                          val, AR913X_ETH1_PLL_SHIFT);
 363         ath79_mii_ctrl_set_speed(AR71XX_MII_REG_MII1_CTRL, speed);
 364 }
 365
 366 static void ar934x_set_speed_ge0(int speed)
 367 {
 368         void __iomem *base;
 369         u32 val = ath79_get_eth_pll(0, speed);
 370
 371         base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
 372         __raw_writel(val, base + AR934X_PLL_ETH_XMII_CONTROL_REG);
 373         iounmap(base);
 374 }
 375
 376 static void qca955x_set_speed_xmii(int speed)
 377 {
 378         void __iomem *base;
 379         u32 val = ath79_get_eth_pll(0, speed);
 380
 381         base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
 382         __raw_writel(val, base + QCA955X_PLL_ETH_XMII_CONTROL_REG);
 383         iounmap(base);
 384 }
 385
 386 static void qca955x_set_speed_sgmii(int speed)
 387 {
 388         void __iomem *base;
 389         u32 val = ath79_get_eth_pll(1, speed);
 390
 391         base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
 392         __raw_writel(val, base + QCA955X_PLL_ETH_SGMII_CONTROL_REG);
 393         iounmap(base);
 394 }
 395
 396 static void qca956x_set_speed_sgmii(int speed)
 397 {
 398         void __iomem *base;
 399         u32 val = ath79_get_eth_pll(0, speed);
 400
 401         base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
 402         __raw_writel(val, base + QCA955X_PLL_ETH_SGMII_CONTROL_REG);
 403         iounmap(base);
 404 }
 405
 406 static void ath79_set_speed_dummy(int speed)
 407 {
 408 }
 409
 410 static void ath79_ddr_no_flush(void)
 411 {
 412 }
 413
 414 static void ath79_ddr_flush_ge0(void)
 415 {
 416         ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_GE0);
 417 }
 418
 419 static void ath79_ddr_flush_ge1(void)
 420 {
 421         ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_GE1);
 422 }
 423
 424 static void ar724x_ddr_flush_ge0(void)
 425 {
 426         ath79_ddr_wb_flush(AR724X_DDR_REG_FLUSH_GE0);
 427 }
 428
 429 static void ar724x_ddr_flush_ge1(void)
 430 {
 431         ath79_ddr_wb_flush(AR724X_DDR_REG_FLUSH_GE1);
 432 }
 433
 434 static void ar91xx_ddr_flush_ge0(void)
 435 {
 436         ath79_ddr_wb_flush(AR913X_DDR_REG_FLUSH_GE0);
 437 }
 438
 439 static void ar91xx_ddr_flush_ge1(void)
 440 {
 441         ath79_ddr_wb_flush(AR913X_DDR_REG_FLUSH_GE1);
 442 }
 443
 444 static void ar933x_ddr_flush_ge0(void)
 445 {
 446         ath79_ddr_wb_flush(AR933X_DDR_REG_FLUSH_GE0);
 447 }
 448
 449 static void ar933x_ddr_flush_ge1(void)
 450 {
 451         ath79_ddr_wb_flush(AR933X_DDR_REG_FLUSH_GE1);
 452 }
 453
 454 static struct resource ath79_eth0_resources[] = {
 455         {
 456                 .name   = "mac_base",
 457                 .flags  = IORESOURCE_MEM,
 458                 .start  = AR71XX_GE0_BASE,
 459                 .end    = AR71XX_GE0_BASE + 0x200 - 1,
 460         }, {
 461                 .name   = "mac_irq",
 462                 .flags  = IORESOURCE_IRQ,
 463                 .start  = ATH79_CPU_IRQ(4),
 464                 .end    = ATH79_CPU_IRQ(4),
 465         },
 466 };
 467
 468 struct ag71xx_platform_data ath79_eth0_data = {
 469         .reset_bit      = AR71XX_RESET_GE0_MAC,
 470 };
 471
 472 struct platform_device ath79_eth0_device = {
 473         .name           = "ag71xx",
 474         .id             = 0,
 475         .resource       = ath79_eth0_resources,
 476         .num_resources  = ARRAY_SIZE(ath79_eth0_resources),
 477         .dev = {
 478                 .platform_data = &ath79_eth0_data,
 479         },
 480 };
 481
 482 static struct resource ath79_eth1_resources[] = {
 483         {
 484                 .name   = "mac_base",
 485                 .flags  = IORESOURCE_MEM,
 486                 .start  = AR71XX_GE1_BASE,
 487                 .end    = AR71XX_GE1_BASE + 0x200 - 1,
 488         }, {
 489                 .name   = "mac_irq",
 490                 .flags  = IORESOURCE_IRQ,
 491                 .start  = ATH79_CPU_IRQ(5),
 492                 .end    = ATH79_CPU_IRQ(5),
 493         },
 494 };
 495
 496 struct ag71xx_platform_data ath79_eth1_data = {
 497         .reset_bit      = AR71XX_RESET_GE1_MAC,
 498 };
 499
 500 struct platform_device ath79_eth1_device = {
 501         .name           = "ag71xx",
 502         .id             = 1,
 503         .resource       = ath79_eth1_resources,
 504         .num_resources  = ARRAY_SIZE(ath79_eth1_resources),
 505         .dev = {
 506                 .platform_data = &ath79_eth1_data,
 507         },
 508 };
 509
 510 struct ag71xx_switch_platform_data ath79_switch_data;
 511
 512 #define AR71XX_PLL_VAL_1000     0x00110000
 513 #define AR71XX_PLL_VAL_100      0x00001099
 514 #define AR71XX_PLL_VAL_10       0x00991099
 515
 516 #define AR724X_PLL_VAL_1000     0x00110000
 517 #define AR724X_PLL_VAL_100      0x00001099
 518 #define AR724X_PLL_VAL_10       0x00991099
 519
 520 #define AR7242_PLL_VAL_1000     0x16000000
 521 #define AR7242_PLL_VAL_100      0x00000101
 522 #define AR7242_PLL_VAL_10       0x00001616
 523
 524 #define AR913X_PLL_VAL_1000     0x1a000000
 525 #define AR913X_PLL_VAL_100      0x13000a44
 526 #define AR913X_PLL_VAL_10       0x00441099
 527
 528 #define AR933X_PLL_VAL_1000     0x00110000
 529 #define AR933X_PLL_VAL_100      0x00001099
 530 #define AR933X_PLL_VAL_10       0x00991099
 531
 532 #define AR934X_PLL_VAL_1000     0x16000000
 533 #define AR934X_PLL_VAL_100      0x00000101
 534 #define AR934X_PLL_VAL_10       0x00001616
 535
 536 #define QCA956X_PLL_VAL_1000    0x03000000
 537 #define QCA956X_PLL_VAL_100     0x00000101
 538 #define QCA956X_PLL_VAL_10      0x00001919
 539
 540 static void __init ath79_init_eth_pll_data(unsigned int id)
 541 {
 542         struct ath79_eth_pll_data *pll_data;
 543         u32 pll_10, pll_100, pll_1000;
 544
 545         switch (id) {
 546         case 0:
 547                 pll_data = &ath79_eth0_pll_data;
 548                 break;
 549         case 1:
 550                 pll_data = &ath79_eth1_pll_data;
 551                 break;
 552         default:
 553                 BUG();
 554         }
 555
 556         switch (ath79_soc) {
 557         case ATH79_SOC_AR7130:
 558         case ATH79_SOC_AR7141:
 559         case ATH79_SOC_AR7161:
 560                 pll_10 = AR71XX_PLL_VAL_10;
 561                 pll_100 = AR71XX_PLL_VAL_100;
 562                 pll_1000 = AR71XX_PLL_VAL_1000;
 563                 break;
 564
 565         case ATH79_SOC_AR7240:
 566         case ATH79_SOC_AR7241:
 567                 pll_10 = AR724X_PLL_VAL_10;
 568                 pll_100 = AR724X_PLL_VAL_100;
 569                 pll_1000 = AR724X_PLL_VAL_1000;
 570                 break;
 571
 572         case ATH79_SOC_AR7242:
 573                 pll_10 = AR7242_PLL_VAL_10;
 574                 pll_100 = AR7242_PLL_VAL_100;
 575                 pll_1000 = AR7242_PLL_VAL_1000;
 576                 break;
 577
 578         case ATH79_SOC_AR9130:
 579         case ATH79_SOC_AR9132:
 580                 pll_10 = AR913X_PLL_VAL_10;
 581                 pll_100 = AR913X_PLL_VAL_100;
 582                 pll_1000 = AR913X_PLL_VAL_1000;
 583                 break;
 584
 585         case ATH79_SOC_AR9330:
 586         case ATH79_SOC_AR9331:
 587                 pll_10 = AR933X_PLL_VAL_10;
 588                 pll_100 = AR933X_PLL_VAL_100;
 589                 pll_1000 = AR933X_PLL_VAL_1000;
 590                 break;
 591
 592         case ATH79_SOC_AR9341:
 593         case ATH79_SOC_AR9342:
 594         case ATH79_SOC_AR9344:
 595         case ATH79_SOC_QCA9533:
 596         case ATH79_SOC_QCA9556:
 597         case ATH79_SOC_QCA9558:
 598         case ATH79_SOC_TP9343:
 599                 pll_10 = AR934X_PLL_VAL_10;
 600                 pll_100 = AR934X_PLL_VAL_100;
 601                 pll_1000 = AR934X_PLL_VAL_1000;
 602                 break;
 603
 604         case ATH79_SOC_QCA956X:
 605                 pll_10 = QCA956X_PLL_VAL_10;
 606                 pll_100 = QCA956X_PLL_VAL_100;
 607                 pll_1000 = QCA956X_PLL_VAL_1000;
 608                 break;
 609
 610         default:
 611                 BUG();
 612         }
 613
 614         if (!pll_data->pll_10)
 615                 pll_data->pll_10 = pll_10;
 616
 617         if (!pll_data->pll_100)
 618                 pll_data->pll_100 = pll_100;
 619
 620         if (!pll_data->pll_1000)
 621                 pll_data->pll_1000 = pll_1000;
 622 }
 623
 624 static int __init ath79_setup_phy_if_mode(unsigned int id,
 625                                            struct ag71xx_platform_data *pdata)
 626 {
 627         unsigned int mii_if;
 628
 629         switch (id) {
 630         case 0:
 631                 switch (ath79_soc) {
 632                 case ATH79_SOC_AR7130:
 633                 case ATH79_SOC_AR7141:
 634                 case ATH79_SOC_AR7161:
 635                 case ATH79_SOC_AR9130:
 636                 case ATH79_SOC_AR9132:
 637                         switch (pdata->phy_if_mode) {
 638                         case PHY_INTERFACE_MODE_MII:
 639                                 mii_if = AR71XX_MII0_CTRL_IF_MII;
 640                                 break;
 641                         case PHY_INTERFACE_MODE_GMII:
 642                                 mii_if = AR71XX_MII0_CTRL_IF_GMII;
 643                                 break;
 644                         case PHY_INTERFACE_MODE_RGMII:
 645                                 mii_if = AR71XX_MII0_CTRL_IF_RGMII;
 646                                 break;
 647                         case PHY_INTERFACE_MODE_RMII:
 648                                 mii_if = AR71XX_MII0_CTRL_IF_RMII;
 649                                 break;
 650                         default:
 651                                 return -EINVAL;
 652                         }
 653                         ath79_mii_ctrl_set_if(AR71XX_MII_REG_MII0_CTRL, mii_if);
 654                         break;
 655
 656                 case ATH79_SOC_AR7240:
 657                 case ATH79_SOC_AR7241:
 658                 case ATH79_SOC_AR9330:
 659                 case ATH79_SOC_AR9331:
 660                 case ATH79_SOC_QCA9533:
 661                 case ATH79_SOC_TP9343:
 662                         pdata->phy_if_mode = PHY_INTERFACE_MODE_MII;
 663                         break;
 664
 665                 case ATH79_SOC_AR7242:
 666                         /* FIXME */
 667
 668                 case ATH79_SOC_AR9341:
 669                 case ATH79_SOC_AR9342:
 670                 case ATH79_SOC_AR9344:
 671                         switch (pdata->phy_if_mode) {
 672                         case PHY_INTERFACE_MODE_MII:
 673                         case PHY_INTERFACE_MODE_GMII:
 674                         case PHY_INTERFACE_MODE_RGMII:
 675                         case PHY_INTERFACE_MODE_RMII:
 676                                 break;
 677                         default:
 678                                 return -EINVAL;
 679                         }
 680                         break;
 681
 682                 case ATH79_SOC_QCA9556:
 683                 case ATH79_SOC_QCA9558:
 684                 case ATH79_SOC_QCA956X:
 685                         switch (pdata->phy_if_mode) {
 686                         case PHY_INTERFACE_MODE_MII:
 687                         case PHY_INTERFACE_MODE_RGMII:
 688                         case PHY_INTERFACE_MODE_SGMII:
 689                                 break;
 690                         default:
 691                                 return -EINVAL;
 692                         }
 693                         break;
 694
 695                 default:
 696                         BUG();
 697                 }
 698                 break;
 699         case 1:
 700                 switch (ath79_soc) {
 701                 case ATH79_SOC_AR7130:
 702                 case ATH79_SOC_AR7141:
 703                 case ATH79_SOC_AR7161:
 704                 case ATH79_SOC_AR9130:
 705                 case ATH79_SOC_AR9132:
 706                         switch (pdata->phy_if_mode) {
 707                         case PHY_INTERFACE_MODE_RMII:
 708                                 mii_if = AR71XX_MII1_CTRL_IF_RMII;
 709                                 break;
 710                         case PHY_INTERFACE_MODE_RGMII:
 711                                 mii_if = AR71XX_MII1_CTRL_IF_RGMII;
 712                                 break;
 713                         default:
 714                                 return -EINVAL;
 715                         }
 716                         ath79_mii_ctrl_set_if(AR71XX_MII_REG_MII1_CTRL, mii_if);
 717                         break;
 718
 719                 case ATH79_SOC_AR7240:
 720                 case ATH79_SOC_AR7241:
 721                 case ATH79_SOC_AR9330:
 722                 case ATH79_SOC_AR9331:
 723                 case ATH79_SOC_QCA956X:
 724                 case ATH79_SOC_TP9343:
 725                         pdata->phy_if_mode = PHY_INTERFACE_MODE_GMII;
 726                         break;
 727
 728                 case ATH79_SOC_AR7242:
 729                         /* FIXME */
 730
 731                 case ATH79_SOC_AR9341:
 732                 case ATH79_SOC_AR9342:
 733                 case ATH79_SOC_AR9344:
 734                 case ATH79_SOC_QCA9533:
 735                         switch (pdata->phy_if_mode) {
 736                         case PHY_INTERFACE_MODE_MII:
 737                         case PHY_INTERFACE_MODE_GMII:
 738                                 break;
 739                         default:
 740                                 return -EINVAL;
 741                         }
 742                         break;
 743
 744                 case ATH79_SOC_QCA9556:
 745                 case ATH79_SOC_QCA9558:
 746                         switch (pdata->phy_if_mode) {
 747                         case PHY_INTERFACE_MODE_MII:
 748                         case PHY_INTERFACE_MODE_RGMII:
 749                         case PHY_INTERFACE_MODE_SGMII:
 750                                 break;
 751                         default:
 752                                 return -EINVAL;
 753                         }
 754                         break;
 755
 756                 default:
 757                         BUG();
 758                 }
 759                 break;
 760         }
 761
 762         return 0;
 763 }
 764
 765 void __init ath79_setup_ar933x_phy4_switch(bool mac, bool mdio)
 766 {
 767         void __iomem *base;
 768         u32 t;
 769
 770         base = ioremap(AR933X_GMAC_BASE, AR933X_GMAC_SIZE);
 771
 772         t = __raw_readl(base + AR933X_GMAC_REG_ETH_CFG);
 773         t &= ~(AR933X_ETH_CFG_SW_PHY_SWAP | AR933X_ETH_CFG_SW_PHY_ADDR_SWAP);
 774         if (mac)
 775                 t |= AR933X_ETH_CFG_SW_PHY_SWAP;
 776         if (mdio)
 777                 t |= AR933X_ETH_CFG_SW_PHY_ADDR_SWAP;
 778         __raw_writel(t, base + AR933X_GMAC_REG_ETH_CFG);
 779
 780         iounmap(base);
 781 }
 782
 783 void __init ath79_setup_ar934x_eth_cfg(u32 mask)
 784 {
 785         void __iomem *base;
 786         u32 t;
 787
 788         base = ioremap(AR934X_GMAC_BASE, AR934X_GMAC_SIZE);
 789
 790         t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
 791
 792         t &= ~(AR934X_ETH_CFG_RGMII_GMAC0 |
 793                AR934X_ETH_CFG_MII_GMAC0 |
 794                AR934X_ETH_CFG_GMII_GMAC0 |
 795                AR934X_ETH_CFG_SW_ONLY_MODE |
 796                AR934X_ETH_CFG_SW_PHY_SWAP);
 797
 798         t |= mask;
 799
 800         __raw_writel(t, base + AR934X_GMAC_REG_ETH_CFG);
 801         /* flush write */
 802         __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
 803
 804         iounmap(base);
 805 }
 806
 807 void __init ath79_setup_ar934x_eth_rx_delay(unsigned int rxd,
 808                                             unsigned int rxdv)
 809 {
 810         void __iomem *base;
 811         u32 t;
 812
 813         rxd &= AR934X_ETH_CFG_RXD_DELAY_MASK;
 814         rxdv &= AR934X_ETH_CFG_RDV_DELAY_MASK;
 815
 816         base = ioremap(AR934X_GMAC_BASE, AR934X_GMAC_SIZE);
 817
 818         t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
 819
 820         t &= ~(AR934X_ETH_CFG_RXD_DELAY_MASK << AR934X_ETH_CFG_RXD_DELAY_SHIFT |
 821                AR934X_ETH_CFG_RDV_DELAY_MASK << AR934X_ETH_CFG_RDV_DELAY_SHIFT);
 822
 823         t |= (rxd << AR934X_ETH_CFG_RXD_DELAY_SHIFT |
 824               rxdv << AR934X_ETH_CFG_RDV_DELAY_SHIFT);
 825
 826         __raw_writel(t, base + AR934X_GMAC_REG_ETH_CFG);
 827         /* flush write */
 828         __raw_readl(base + AR934X_GMAC_REG_ETH_CFG);
 829
 830         iounmap(base);
 831 }
 832
 833 void __init ath79_setup_qca955x_eth_cfg(u32 mask)
 834 {
 835         void __iomem *base;
 836         u32 t;
 837
 838         base = ioremap(QCA955X_GMAC_BASE, QCA955X_GMAC_SIZE);
 839
 840         t = __raw_readl(base + QCA955X_GMAC_REG_ETH_CFG);
 841
 842         t &= ~(QCA955X_ETH_CFG_RGMII_EN | QCA955X_ETH_CFG_GE0_SGMII);
 843
 844         t |= mask;
 845
 846         __raw_writel(t, base + QCA955X_GMAC_REG_ETH_CFG);
 847
 848         iounmap(base);
 849 }
 850
 851 static int ath79_eth_instance __initdata;
 852 void __init ath79_register_eth(unsigned int id)
 853 {
 854         struct platform_device *pdev;
 855         struct ag71xx_platform_data *pdata;
 856         int err;
 857
 858         if (id > 1) {
 859                 printk(KERN_ERR "ar71xx: invalid ethernet id %d\n", id);
 860                 return;
 861         }
 862
 863         ath79_init_eth_pll_data(id);
 864
 865         if (id == 0)
 866                 pdev = &ath79_eth0_device;
 867         else
 868                 pdev = &ath79_eth1_device;
 869
 870         pdata = pdev->dev.platform_data;
 871
 872         pdata->max_frame_len = 1540;
 873         pdata->desc_pktlen_mask = 0xfff;
 874
 875         err = ath79_setup_phy_if_mode(id, pdata);
 876         if (err) {
 877                 printk(KERN_ERR
 878                        "ar71xx: invalid PHY interface mode for GE%u\n", id);
 879                 return;
 880         }
 881
 882         switch (ath79_soc) {
 883         case ATH79_SOC_AR7130:
 884                 if (id == 0) {
 885                         pdata->ddr_flush = ath79_ddr_flush_ge0;
 886                         pdata->set_speed = ath79_set_speed_ge0;
 887                 } else {
 888                         pdata->ddr_flush = ath79_ddr_flush_ge1;
 889                         pdata->set_speed = ath79_set_speed_ge1;
 890                 }
 891                 break;
 892
 893         case ATH79_SOC_AR7141:
 894         case ATH79_SOC_AR7161:
 895                 if (id == 0) {
 896                         pdata->ddr_flush = ath79_ddr_flush_ge0;
 897                         pdata->set_speed = ath79_set_speed_ge0;
 898                 } else {
 899                         pdata->ddr_flush = ath79_ddr_flush_ge1;
 900                         pdata->set_speed = ath79_set_speed_ge1;
 901                 }
 902                 pdata->has_gbit = 1;
 903                 break;
 904
 905         case ATH79_SOC_AR7242:
 906                 if (id == 0) {
 907                         pdata->reset_bit |= AR724X_RESET_GE0_MDIO |
 908                                             AR71XX_RESET_GE0_PHY;
 909                         pdata->ddr_flush = ar724x_ddr_flush_ge0;
 910                         pdata->set_speed = ar7242_set_speed_ge0;
 911                 } else {
 912                         pdata->reset_bit |= AR724X_RESET_GE1_MDIO |
 913                                             AR71XX_RESET_GE1_PHY;
 914                         pdata->ddr_flush = ar724x_ddr_flush_ge1;
 915                         pdata->set_speed = ath79_set_speed_dummy;
 916                 }
 917                 pdata->has_gbit = 1;
 918                 pdata->is_ar724x = 1;
 919
 920                 if (!pdata->fifo_cfg1)
 921                         pdata->fifo_cfg1 = 0x0010ffff;
 922                 if (!pdata->fifo_cfg2)
 923                         pdata->fifo_cfg2 = 0x015500aa;
 924                 if (!pdata->fifo_cfg3)
 925                         pdata->fifo_cfg3 = 0x01f00140;
 926                 break;
 927
 928         case ATH79_SOC_AR7241:
 929                 if (id == 0)
 930                         pdata->reset_bit |= AR724X_RESET_GE0_MDIO;
 931                 else
 932                         pdata->reset_bit |= AR724X_RESET_GE1_MDIO;
 933                 /* fall through */
 934         case ATH79_SOC_AR7240:
 935                 if (id == 0) {
 936                         pdata->reset_bit |= AR71XX_RESET_GE0_PHY;
 937                         pdata->ddr_flush = ar724x_ddr_flush_ge0;
 938                         pdata->set_speed = ath79_set_speed_dummy;
 939
 940                         pdata->phy_mask = BIT(4);
 941                 } else {
 942                         pdata->reset_bit |= AR71XX_RESET_GE1_PHY;
 943                         pdata->ddr_flush = ar724x_ddr_flush_ge1;
 944                         pdata->set_speed = ath79_set_speed_dummy;
 945
 946                         pdata->speed = SPEED_1000;
 947                         pdata->duplex = DUPLEX_FULL;
 948                         pdata->switch_data = &ath79_switch_data;
 949
 950                         ath79_switch_data.phy_poll_mask |= BIT(4);
 951                 }
 952                 pdata->has_gbit = 1;
 953                 pdata->is_ar724x = 1;
 954                 if (ath79_soc == ATH79_SOC_AR7240)
 955                         pdata->is_ar7240 = 1;
 956
 957                 if (!pdata->fifo_cfg1)
 958                         pdata->fifo_cfg1 = 0x0010ffff;
 959                 if (!pdata->fifo_cfg2)
 960                         pdata->fifo_cfg2 = 0x015500aa;
 961                 if (!pdata->fifo_cfg3)
 962                         pdata->fifo_cfg3 = 0x01f00140;
 963                 break;
 964
 965         case ATH79_SOC_AR9130:
 966                 if (id == 0) {
 967                         pdata->ddr_flush = ar91xx_ddr_flush_ge0;
 968                         pdata->set_speed = ar91xx_set_speed_ge0;
 969                 } else {
 970                         pdata->ddr_flush = ar91xx_ddr_flush_ge1;
 971                         pdata->set_speed = ar91xx_set_speed_ge1;
 972                 }
 973                 pdata->is_ar91xx = 1;
 974                 break;
 975
 976         case ATH79_SOC_AR9132:
 977                 if (id == 0) {
 978                         pdata->ddr_flush = ar91xx_ddr_flush_ge0;
 979                         pdata->set_speed = ar91xx_set_speed_ge0;
 980                 } else {
 981                         pdata->ddr_flush = ar91xx_ddr_flush_ge1;
 982                         pdata->set_speed = ar91xx_set_speed_ge1;
 983                 }
 984                 pdata->is_ar91xx = 1;
 985                 pdata->has_gbit = 1;
 986                 break;
 987
 988         case ATH79_SOC_AR9330:
 989         case ATH79_SOC_AR9331:
 990                 if (id == 0) {
 991                         pdata->reset_bit = AR933X_RESET_GE0_MAC |
 992                                            AR933X_RESET_GE0_MDIO;
 993                         pdata->ddr_flush = ar933x_ddr_flush_ge0;
 994                         pdata->set_speed = ath79_set_speed_dummy;
 995
 996                         pdata->phy_mask = BIT(4);
 997                 } else {
 998                         pdata->reset_bit = AR933X_RESET_GE1_MAC |
 999                                            AR933X_RESET_GE1_MDIO;
1000                         pdata->ddr_flush = ar933x_ddr_flush_ge1;
1001                         pdata->set_speed = ath79_set_speed_dummy;
1002
1003                         pdata->speed = SPEED_1000;
1004                         pdata->has_gbit = 1;
1005                         pdata->duplex = DUPLEX_FULL;
1006                         pdata->switch_data = &ath79_switch_data;
1007
1008                         ath79_switch_data.phy_poll_mask |= BIT(4);
1009                 }
1010
1011                 pdata->is_ar724x = 1;
1012
1013                 if (!pdata->fifo_cfg1)
1014                         pdata->fifo_cfg1 = 0x0010ffff;
1015                 if (!pdata->fifo_cfg2)
1016                         pdata->fifo_cfg2 = 0x015500aa;
1017                 if (!pdata->fifo_cfg3)
1018                         pdata->fifo_cfg3 = 0x01f00140;
1019                 break;
1020
1021         case ATH79_SOC_AR9341:
1022         case ATH79_SOC_AR9342:
1023         case ATH79_SOC_AR9344:
1024         case ATH79_SOC_QCA9533:
1025                 if (id == 0) {
1026                         pdata->reset_bit = AR934X_RESET_GE0_MAC |
1027                                            AR934X_RESET_GE0_MDIO;
1028                         pdata->set_speed = ar934x_set_speed_ge0;
1029                 } else {
1030                         pdata->reset_bit = AR934X_RESET_GE1_MAC |
1031                                            AR934X_RESET_GE1_MDIO;
1032                         pdata->set_speed = ath79_set_speed_dummy;
1033
1034                         pdata->switch_data = &ath79_switch_data;
1035
1036                         /* reset the built-in switch */
1037                         ath79_device_reset_set(AR934X_RESET_ETH_SWITCH);
1038                         ath79_device_reset_clear(AR934X_RESET_ETH_SWITCH);
1039                 }
1040
1041                 pdata->ddr_flush = ath79_ddr_no_flush;
1042                 pdata->has_gbit = 1;
1043                 pdata->is_ar724x = 1;
1044
1045                 pdata->max_frame_len = SZ_16K - 1;
1046                 pdata->desc_pktlen_mask = SZ_16K - 1;
1047
1048                 if (!pdata->fifo_cfg1)
1049                         pdata->fifo_cfg1 = 0x0010ffff;
1050                 if (!pdata->fifo_cfg2)
1051                         pdata->fifo_cfg2 = 0x015500aa;
1052                 if (!pdata->fifo_cfg3)
1053                         pdata->fifo_cfg3 = 0x01f00140;
1054                 break;
1055
1056         case ATH79_SOC_TP9343:
1057                 if (id == 0) {
1058                         pdata->reset_bit = AR933X_RESET_GE0_MAC |
1059                                            AR933X_RESET_GE0_MDIO;
1060                         pdata->set_speed = ath79_set_speed_dummy;
1061
1062                         if (!pdata->phy_mask)
1063                                 pdata->phy_mask = BIT(4);
1064                 } else {
1065                         pdata->reset_bit = AR933X_RESET_GE1_MAC |
1066                                            AR933X_RESET_GE1_MDIO;
1067                         pdata->set_speed = ath79_set_speed_dummy;
1068
1069                         pdata->speed = SPEED_1000;
1070                         pdata->duplex = DUPLEX_FULL;
1071                         pdata->switch_data = &ath79_switch_data;
1072
1073                         ath79_switch_data.phy_poll_mask |= BIT(4);
1074                 }
1075
1076                 pdata->ddr_flush = ath79_ddr_no_flush;
1077                 pdata->has_gbit = 1;
1078                 pdata->is_ar724x = 1;
1079
1080                 if (!pdata->fifo_cfg1)
1081                         pdata->fifo_cfg1 = 0x0010ffff;
1082                 if (!pdata->fifo_cfg2)
1083                         pdata->fifo_cfg2 = 0x015500aa;
1084                 if (!pdata->fifo_cfg3)
1085                         pdata->fifo_cfg3 = 0x01f00140;
1086                 break;
1087
1088         case ATH79_SOC_QCA9556:
1089         case ATH79_SOC_QCA9558:
1090                 if (id == 0) {
1091                         pdata->reset_bit = QCA955X_RESET_GE0_MAC |
1092                                            QCA955X_RESET_GE0_MDIO;
1093                         pdata->set_speed = qca955x_set_speed_xmii;
1094                 } else {
1095                         pdata->reset_bit = QCA955X_RESET_GE1_MAC |
1096                                            QCA955X_RESET_GE1_MDIO;
1097                         pdata->set_speed = qca955x_set_speed_sgmii;
1098                 }
1099
1100                 pdata->ddr_flush = ath79_ddr_no_flush;
1101                 pdata->has_gbit = 1;
1102                 pdata->is_ar724x = 1;
1103
1104                 /*
1105                  * Limit the maximum frame length to 4095 bytes.
1106                  * Although the documentation says that the hardware
1107                  * limit is 16383 bytes but that does not work in
1108                  * practice. It seems that the hardware only updates
1109                  * the lowest 12 bits of the packet length field
1110                  * in the RX descriptor.
1111                  */
1112                 pdata->max_frame_len = SZ_4K - 1;
1113                 pdata->desc_pktlen_mask = SZ_16K - 1;
1114
1115                 if (!pdata->fifo_cfg1)
1116                         pdata->fifo_cfg1 = 0x0010ffff;
1117                 if (!pdata->fifo_cfg2)
1118                         pdata->fifo_cfg2 = 0x015500aa;
1119                 if (!pdata->fifo_cfg3)
1120                         pdata->fifo_cfg3 = 0x01f00140;
1121                 break;
1122
1123         case ATH79_SOC_QCA956X:
1124                 if (id == 0) {
1125                         pdata->reset_bit = QCA955X_RESET_GE0_MAC |
1126                                            QCA955X_RESET_GE0_MDIO;
1127
1128                         if (pdata->phy_if_mode == PHY_INTERFACE_MODE_SGMII)
1129                                 pdata->set_speed = qca956x_set_speed_sgmii;
1130                         else
1131                                 pdata->set_speed = ath79_set_speed_ge0;
1132                 } else {
1133                         pdata->reset_bit = QCA955X_RESET_GE1_MAC |
1134                                            QCA955X_RESET_GE1_MDIO;
1135
1136                         pdata->set_speed = ath79_set_speed_dummy;
1137
1138                         pdata->switch_data = &ath79_switch_data;
1139
1140                         pdata->speed = SPEED_1000;
1141                         pdata->duplex = DUPLEX_FULL;
1142
1143                         /* reset the built-in switch */
1144                         ath79_device_reset_set(AR934X_RESET_ETH_SWITCH);
1145                         ath79_device_reset_clear(AR934X_RESET_ETH_SWITCH);
1146                 }
1147
1148                 pdata->ddr_flush = ath79_ddr_no_flush;
1149                 pdata->has_gbit = 1;
1150                 pdata->is_ar724x = 1;
1151
1152                 if (!pdata->fifo_cfg1)
1153                         pdata->fifo_cfg1 = 0x0010ffff;
1154                 if (!pdata->fifo_cfg2)
1155                         pdata->fifo_cfg2 = 0x015500aa;
1156                 if (!pdata->fifo_cfg3)
1157                         pdata->fifo_cfg3 = 0x01f00140;
1158                 break;
1159
1160         default:
1161                 BUG();
1162         }
1163
1164         switch (pdata->phy_if_mode) {
1165         case PHY_INTERFACE_MODE_GMII:
1166         case PHY_INTERFACE_MODE_RGMII:
1167         case PHY_INTERFACE_MODE_SGMII:
1168                 if (!pdata->has_gbit) {
1169                         printk(KERN_ERR "ar71xx: no gbit available on eth%d\n",
1170                                         id);
1171                         return;
1172                 }
1173                 /* fallthrough */
1174         default:
1175                 break;
1176         }
1177
1178         if (!is_valid_ether_addr(pdata->mac_addr)) {
1179                 random_ether_addr(pdata->mac_addr);
1180                 printk(KERN_DEBUG
1181                         "ar71xx: using random MAC address for eth%d\n",
1182                         ath79_eth_instance);
1183         }
1184
1185         if (pdata->mii_bus_dev == NULL) {
1186                 switch (ath79_soc) {
1187                 case ATH79_SOC_AR9341:
1188                 case ATH79_SOC_AR9342:
1189                 case ATH79_SOC_AR9344:
1190                         if (id == 0)
1191                                 pdata->mii_bus_dev = &ath79_mdio0_device.dev;
1192                         else
1193                                 pdata->mii_bus_dev = &ath79_mdio1_device.dev;
1194                         break;
1195
1196                 case ATH79_SOC_AR7241:
1197                 case ATH79_SOC_AR9330:
1198                 case ATH79_SOC_AR9331:
1199                 case ATH79_SOC_QCA9533:
1200                 case ATH79_SOC_TP9343:
1201                         pdata->mii_bus_dev = &ath79_mdio1_device.dev;
1202                         break;
1203
1204                 case ATH79_SOC_QCA9556:
1205                 case ATH79_SOC_QCA9558:
1206                         /* don't assign any MDIO device by default */
1207                         break;
1208
1209                 case ATH79_SOC_QCA956X:
1210                         if (pdata->phy_if_mode != PHY_INTERFACE_MODE_SGMII)
1211                                 pdata->mii_bus_dev = &ath79_mdio1_device.dev;
1212                         break;
1213
1214                 default:
1215                         pdata->mii_bus_dev = &ath79_mdio0_device.dev;
1216                         break;
1217                 }
1218         }
1219
1220         /* Reset the device */
1221         ath79_device_reset_set(pdata->reset_bit);
1222         msleep(100);
1223
1224         ath79_device_reset_clear(pdata->reset_bit);
1225         msleep(100);
1226
1227         platform_device_register(pdev);
1228         ath79_eth_instance++;
1229 }
1230
1231 void __init ath79_set_mac_base(unsigned char *mac)
1232 {
1233         memcpy(ath79_mac_base, mac, ETH_ALEN);
1234 }
1235
1236 void __init ath79_parse_ascii_mac(char *mac_str, u8 *mac)
1237 {
1238         int t;
1239
1240         t = sscanf(mac_str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
1241                    &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]);
1242
1243         if (t != ETH_ALEN)
1244                 t = sscanf(mac_str, "%02hhx.%02hhx.%02hhx.%02hhx.%02hhx.%02hhx",
1245                         &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]);
1246
1247         if (t != ETH_ALEN || !is_valid_ether_addr(mac)) {
1248                 memset(mac, 0, ETH_ALEN);
1249                 printk(KERN_DEBUG "ar71xx: invalid mac address \"%s\"\n",
1250                        mac_str);
1251         }
1252 }
1253
1254 static void __init ath79_set_mac_base_ascii(char *str)
1255 {
1256         u8 mac[ETH_ALEN];
1257
1258         ath79_parse_ascii_mac(str, mac);
1259         ath79_set_mac_base(mac);
1260 }
1261
1262 static int __init ath79_ethaddr_setup(char *str)
1263 {
1264         ath79_set_mac_base_ascii(str);
1265         return 1;
1266 }
1267 __setup("ethaddr=", ath79_ethaddr_setup);
1268
1269 static int __init ath79_kmac_setup(char *str)
1270 {
1271         ath79_set_mac_base_ascii(str);
1272         return 1;
1273 }
1274 __setup("kmac=", ath79_kmac_setup);
1275
1276 void __init ath79_init_mac(unsigned char *dst, const unsigned char *src,
1277                             int offset)
1278 {
1279         int t;
1280
1281         if (!dst)
1282                 return;
1283
1284         if (!src || !is_valid_ether_addr(src)) {
1285                 memset(dst, '\0', ETH_ALEN);
1286                 return;
1287         }
1288
1289         t = (((u32) src[3]) << 16) + (((u32) src[4]) << 8) + ((u32) src[5]);
1290         t += offset;
1291
1292         dst[0] = src[0];
1293         dst[1] = src[1];
1294         dst[2] = src[2];
1295         dst[3] = (t >> 16) & 0xff;
1296         dst[4] = (t >> 8) & 0xff;
1297         dst[5] = t & 0xff;
1298 }
1299
1300 void __init ath79_init_local_mac(unsigned char *dst, const unsigned char *src)
1301 {
1302         int i;
1303
1304         if (!dst)
1305                 return;
1306
1307         if (!src || !is_valid_ether_addr(src)) {
1308                 memset(dst, '\0', ETH_ALEN);
1309                 return;
1310         }
1311
1312         for (i = 0; i < ETH_ALEN; i++)
1313                 dst[i] = src[i];
1314         dst[0] |= 0x02;
1315 }