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
  24 #include <asm/mach-ath79/ath79.h>
  25 #include <asm/mach-ath79/ar71xx_regs.h>
  26 #include <asm/mach-ath79/irq.h>
  27
  28 #include "common.h"
  29 #include "dev-eth.h"
  30
  31 unsigned char ath79_mac_base[ETH_ALEN] __initdata;
  32
  33 static struct resource ath79_mdio0_resources[] = {
  34         {
  35                 .name   = "mdio_base",
  36                 .flags  = IORESOURCE_MEM,
  37                 .start  = AR71XX_GE0_BASE,
  38                 .end    = AR71XX_GE0_BASE + 0x200 - 1,
  39         }
  40 };
  41
  42 static struct ag71xx_mdio_platform_data ath79_mdio0_data;
  43
  44 struct platform_device ath79_mdio0_device = {
  45         .name           = "ag71xx-mdio",
  46         .id             = 0,
  47         .resource       = ath79_mdio0_resources,
  48         .num_resources  = ARRAY_SIZE(ath79_mdio0_resources),
  49         .dev = {
  50                 .platform_data = &ath79_mdio0_data,
  51         },
  52 };
  53
  54 static struct resource ath79_mdio1_resources[] = {
  55         {
  56                 .name   = "mdio_base",
  57                 .flags  = IORESOURCE_MEM,
  58                 .start  = AR71XX_GE1_BASE,
  59                 .end    = AR71XX_GE1_BASE + 0x200 - 1,
  60         }
  61 };
  62
  63 static struct ag71xx_mdio_platform_data ath79_mdio1_data;
  64
  65 struct platform_device ath79_mdio1_device = {
  66         .name           = "ag71xx-mdio",
  67         .id             = 1,
  68         .resource       = ath79_mdio1_resources,
  69         .num_resources  = ARRAY_SIZE(ath79_mdio1_resources),
  70         .dev = {
  71                 .platform_data = &ath79_mdio1_data,
  72         },
  73 };
  74
  75 static void ath79_set_pll(u32 cfg_reg, u32 pll_reg, u32 pll_val, u32 shift)
  76 {
  77         void __iomem *base;
  78         u32 t;
  79
  80         base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
  81
  82         t = __raw_readl(base + cfg_reg);
  83         t &= ~(3 << shift);
  84         t |=  (2 << shift);
  85         __raw_writel(t, base + cfg_reg);
  86         udelay(100);
  87
  88         __raw_writel(pll_val, base + pll_reg);
  89
  90         t |= (3 << shift);
  91         __raw_writel(t, base + cfg_reg);
  92         udelay(100);
  93
  94         t &= ~(3 << shift);
  95         __raw_writel(t, base + cfg_reg);
  96         udelay(100);
  97
  98         printk(KERN_DEBUG "ar71xx: pll_reg %#x: %#x\n",
  99                 (unsigned int)(base + pll_reg), __raw_readl(base + pll_reg));
 100
 101         iounmap(base);
 102 }
 103
 104 static void __init ath79_mii_ctrl_set_if(unsigned int reg,
 105                                           unsigned int mii_if)
 106 {
 107         void __iomem *base;
 108         u32 t;
 109
 110         base = ioremap(AR71XX_MII_BASE, AR71XX_MII_SIZE);
 111
 112         t = __raw_readl(base + reg);
 113         t &= ~(AR71XX_MII_CTRL_IF_MASK);
 114         t |= (mii_if & AR71XX_MII_CTRL_IF_MASK);
 115         __raw_writel(t, base + reg);
 116
 117         iounmap(base);
 118 }
 119
 120 static void ath79_mii_ctrl_set_speed(unsigned int reg, unsigned int speed)
 121 {
 122         void __iomem *base;
 123         unsigned int mii_speed;
 124         u32 t;
 125
 126         switch (speed) {
 127         case SPEED_10:
 128                 mii_speed =  AR71XX_MII_CTRL_SPEED_10;
 129                 break;
 130         case SPEED_100:
 131                 mii_speed =  AR71XX_MII_CTRL_SPEED_100;
 132                 break;
 133         case SPEED_1000:
 134                 mii_speed =  AR71XX_MII_CTRL_SPEED_1000;
 135                 break;
 136         default:
 137                 BUG();
 138         }
 139
 140         base = ioremap(AR71XX_MII_BASE, AR71XX_MII_SIZE);
 141
 142         t = __raw_readl(base + reg);
 143         t &= ~(AR71XX_MII_CTRL_SPEED_MASK << AR71XX_MII_CTRL_SPEED_SHIFT);
 144         t |= mii_speed  << AR71XX_MII_CTRL_SPEED_SHIFT;
 145         __raw_writel(t, base + reg);
 146
 147         iounmap(base);
 148 }
 149
 150 static unsigned long ar934x_get_mdio_ref_clock(void)
 151 {
 152         void __iomem *base;
 153         unsigned long ret;
 154         u32 t;
 155
 156         base = ioremap(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
 157
 158         ret = 0;
 159         t = __raw_readl(base + AR934X_PLL_SWITCH_CLOCK_CONTROL_REG);
 160         if (t & AR934X_PLL_SWITCH_CLOCK_CONTROL_MDIO_CLK_SEL) {
 161                 ret = 100 * 1000 * 1000;
 162         } else {
 163                 struct clk *clk;
 164
 165                 clk = clk_get(NULL, "ref");
 166                 if (!IS_ERR(clk))
 167                         ret = clk_get_rate(clk);
 168         }
 169
 170         iounmap(base);
 171
 172         return ret;
 173 }
 174
 175 void __init ath79_register_mdio(unsigned int id, u32 phy_mask)
 176 {
 177         struct platform_device *mdio_dev;
 178         struct ag71xx_mdio_platform_data *mdio_data;
 179         unsigned int max_id;
 180
 181         if (ath79_soc == ATH79_SOC_AR9341 ||
 182             ath79_soc == ATH79_SOC_AR9342 ||
 183             ath79_soc == ATH79_SOC_AR9344 ||
 184             ath79_soc == ATH79_SOC_QCA9558)
 185                 max_id = 1;
 186         else
 187                 max_id = 0;
 188
 189         if (id > max_id) {
 190                 printk(KERN_ERR "ar71xx: invalid MDIO id %u\n", id);
 191                 return;
 192         }
 193
 194         switch (ath79_soc) {
 195         case ATH79_SOC_AR7241:
 196         case ATH79_SOC_AR9330:
 197         case ATH79_SOC_AR9331:
 198                 mdio_dev = &ath79_mdio1_device;
 199                 mdio_data = &ath79_mdio1_data;
 200                 break;
 201
 202         case ATH79_SOC_AR9341:
 203         case ATH79_SOC_AR9342:
 204         case ATH79_SOC_AR9344:
 205         case ATH79_SOC_QCA9558:
 206                 if (id == 0) {
 207                         mdio_dev = &ath79_mdio0_device;
 208                         mdio_data = &ath79_mdio0_data;
 209                 } else {
 210                         mdio_dev = &ath79_mdio1_device;
 211                         mdio_data = &ath79_mdio1_data;
 212                 }
 213                 break;
 214
 215         case ATH79_SOC_AR7242:
 216                 ath79_set_pll(AR71XX_PLL_REG_SEC_CONFIG,
 217                                AR7242_PLL_REG_ETH0_INT_CLOCK, 0x62000000,
 218                                AR71XX_ETH0_PLL_SHIFT);
 219                 /* fall through */
 220         default:
 221                 mdio_dev = &ath79_mdio0_device;
 222                 mdio_data = &ath79_mdio0_data;
 223                 break;
 224         }
 225
 226         mdio_data->phy_mask = phy_mask;
 227
 228         switch (ath79_soc) {
 229         case ATH79_SOC_AR7240:
 230                 mdio_data->is_ar7240 = 1;
 231                 /* fall through */
 232         case ATH79_SOC_AR7241:
 233                 mdio_data->builtin_switch = 1;
 234                 break;
 235
 236         case ATH79_SOC_AR9330:
 237                 mdio_data->is_ar9330 = 1;
 238                 /* fall through */
 239         case ATH79_SOC_AR9331:
 240                 mdio_data->builtin_switch = 1;
 241                 break;
 242
 243         case ATH79_SOC_AR9341:
 244         case ATH79_SOC_AR9342:
 245         case ATH79_SOC_AR9344:
 246                 if (id == 1) {
 247                         mdio_data->builtin_switch = 1;
 248                         mdio_data->ref_clock = ar934x_get_mdio_ref_clock();
 249                         mdio_data->mdio_clock = 6250000;
 250                 }
 251                 mdio_data->is_ar934x = 1;
 252                 break;
 253         case ATH79_SOC_QCA9558:
 254                 if (id == 1)
 255                         mdio_data->builtin_switch = 1;
 256                 mdio_data->is_ar934x = 1;
 257                 break;
 258
 259         default:
 260                 break;
 261         }
 262
 263         platform_device_register(mdio_dev);
 264 }
 265
 266 struct ath79_eth_pll_data ath79_eth0_pll_data;
 267 struct ath79_eth_pll_data ath79_eth1_pll_data;
 268
 269 static u32 ath79_get_eth_pll(unsigned int mac, int speed)
 270 {
 271         struct ath79_eth_pll_data *pll_data;
 272         u32 pll_val;
 273
 274         switch (mac) {
 275         case 0:
 276                 pll_data = &ath79_eth0_pll_data;
 277                 break;
 278         case 1:
 279                 pll_data = &ath79_eth1_pll_data;
 280                 break;
 281         default:
 282                 BUG();
 283         }
 284
 285         switch (speed) {
 286         case SPEED_10:
 287                 pll_val = pll_data->pll_10;
 288                 break;
 289         case SPEED_100:
 290                 pll_val = pll_data->pll_100;
 291                 break;
 292         case SPEED_1000:
 293                 pll_val = pll_data->pll_1000;
 294                 break;
 295         default:
 296                 BUG();
 297         }
 298
 299         return pll_val;
 300 }
 301
 302 static void ath79_set_speed_ge0(int speed)
 303 {
 304         u32 val = ath79_get_eth_pll(0, speed);
 305
 306         ath79_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR71XX_PLL_REG_ETH0_INT_CLOCK,
 307                         val, AR71XX_ETH0_PLL_SHIFT);
 308         ath79_mii_ctrl_set_speed(AR71XX_MII_REG_MII0_CTRL, speed);
 309 }
 310
 311 static void ath79_set_speed_ge1(int speed)
 312 {
 313         u32 val = ath79_get_eth_pll(1, speed);
 314
 315         ath79_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR71XX_PLL_REG_ETH1_INT_CLOCK,
 316                          val, AR71XX_ETH1_PLL_SHIFT);
 317         ath79_mii_ctrl_set_speed(AR71XX_MII_REG_MII1_CTRL, speed);
 318 }
 319
 320 static void ar7242_set_speed_ge0(int speed)
 321 {
 322         u32 val = ath79_get_eth_pll(0, speed);
 323         void __iomem *base;
 324
 325         base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
 326         __raw_writel(val, base + AR7242_PLL_REG_ETH0_INT_CLOCK);
 327         iounmap(base);
 328 }
 329
 330 static void ar91xx_set_speed_ge0(int speed)
 331 {
 332         u32 val = ath79_get_eth_pll(0, speed);
 333
 334         ath79_set_pll(AR913X_PLL_REG_ETH_CONFIG, AR913X_PLL_REG_ETH0_INT_CLOCK,
 335                          val, AR913X_ETH0_PLL_SHIFT);
 336         ath79_mii_ctrl_set_speed(AR71XX_MII_REG_MII0_CTRL, speed);
 337 }
 338
 339 static void ar91xx_set_speed_ge1(int speed)
 340 {
 341         u32 val = ath79_get_eth_pll(1, speed);
 342
 343         ath79_set_pll(AR913X_PLL_REG_ETH_CONFIG, AR913X_PLL_REG_ETH1_INT_CLOCK,
 344                          val, AR913X_ETH1_PLL_SHIFT);
 345         ath79_mii_ctrl_set_speed(AR71XX_MII_REG_MII1_CTRL, speed);
 346 }
 347
 348 static void ar934x_set_speed_ge0(int speed)
 349 {
 350         void __iomem *base;
 351         u32 val = ath79_get_eth_pll(0, speed);
 352
 353         base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
 354         __raw_writel(val, base + AR934X_PLL_ETH_XMII_CONTROL_REG);
 355         iounmap(base);
 356 }
 357
 358 static void ath79_set_speed_dummy(int speed)
 359 {
 360 }
 361
 362 static void ath79_ddr_no_flush(void)
 363 {
 364 }
 365
 366 static void ath79_ddr_flush_ge0(void)
 367 {
 368         ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_GE0);
 369 }
 370
 371 static void ath79_ddr_flush_ge1(void)
 372 {
 373         ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_GE1);
 374 }
 375
 376 static void ar724x_ddr_flush_ge0(void)
 377 {
 378         ath79_ddr_wb_flush(AR724X_DDR_REG_FLUSH_GE0);
 379 }
 380
 381 static void ar724x_ddr_flush_ge1(void)
 382 {
 383         ath79_ddr_wb_flush(AR724X_DDR_REG_FLUSH_GE1);
 384 }
 385
 386 static void ar91xx_ddr_flush_ge0(void)
 387 {
 388         ath79_ddr_wb_flush(AR913X_DDR_REG_FLUSH_GE0);
 389 }
 390
 391 static void ar91xx_ddr_flush_ge1(void)
 392 {
 393         ath79_ddr_wb_flush(AR913X_DDR_REG_FLUSH_GE1);
 394 }
 395
 396 static void ar933x_ddr_flush_ge0(void)
 397 {
 398         ath79_ddr_wb_flush(AR933X_DDR_REG_FLUSH_GE0);
 399 }
 400
 401 static void ar933x_ddr_flush_ge1(void)
 402 {
 403         ath79_ddr_wb_flush(AR933X_DDR_REG_FLUSH_GE1);
 404 }
 405
 406 static struct resource ath79_eth0_resources[] = {
 407         {
 408                 .name   = "mac_base",
 409                 .flags  = IORESOURCE_MEM,
 410                 .start  = AR71XX_GE0_BASE,
 411                 .end    = AR71XX_GE0_BASE + 0x200 - 1,
 412         }, {
 413                 .name   = "mac_irq",
 414                 .flags  = IORESOURCE_IRQ,
 415                 .start  = ATH79_CPU_IRQ_GE0,
 416                 .end    = ATH79_CPU_IRQ_GE0,
 417         },
 418 };
 419
 420 struct ag71xx_platform_data ath79_eth0_data = {
 421         .reset_bit      = AR71XX_RESET_GE0_MAC,
 422 };
 423
 424 struct platform_device ath79_eth0_device = {
 425         .name           = "ag71xx",
 426         .id             = 0,
 427         .resource       = ath79_eth0_resources,
 428         .num_resources  = ARRAY_SIZE(ath79_eth0_resources),
 429         .dev = {
 430                 .platform_data = &ath79_eth0_data,
 431         },
 432 };
 433
 434 static struct resource ath79_eth1_resources[] = {
 435         {
 436                 .name   = "mac_base",
 437                 .flags  = IORESOURCE_MEM,
 438                 .start  = AR71XX_GE1_BASE,
 439                 .end    = AR71XX_GE1_BASE + 0x200 - 1,
 440         }, {
 441                 .name   = "mac_irq",
 442                 .flags  = IORESOURCE_IRQ,
 443                 .start  = ATH79_CPU_IRQ_GE1,
 444                 .end    = ATH79_CPU_IRQ_GE1,
 445         },
 446 };
 447
 448 struct ag71xx_platform_data ath79_eth1_data = {
 449         .reset_bit      = AR71XX_RESET_GE1_MAC,
 450 };
 451
 452 struct platform_device ath79_eth1_device = {
 453         .name           = "ag71xx",
 454         .id             = 1,
 455         .resource       = ath79_eth1_resources,
 456         .num_resources  = ARRAY_SIZE(ath79_eth1_resources),
 457         .dev = {
 458                 .platform_data = &ath79_eth1_data,
 459         },
 460 };
 461
 462 struct ag71xx_switch_platform_data ath79_switch_data;
 463
 464 #define AR71XX_PLL_VAL_1000     0x00110000
 465 #define AR71XX_PLL_VAL_100      0x00001099
 466 #define AR71XX_PLL_VAL_10       0x00991099
 467
 468 #define AR724X_PLL_VAL_1000     0x00110000
 469 #define AR724X_PLL_VAL_100      0x00001099
 470 #define AR724X_PLL_VAL_10       0x00991099
 471
 472 #define AR7242_PLL_VAL_1000     0x16000000
 473 #define AR7242_PLL_VAL_100      0x00000101
 474 #define AR7242_PLL_VAL_10       0x00001616
 475
 476 #define AR913X_PLL_VAL_1000     0x1a000000
 477 #define AR913X_PLL_VAL_100      0x13000a44
 478 #define AR913X_PLL_VAL_10       0x00441099
 479
 480 #define AR933X_PLL_VAL_1000     0x00110000
 481 #define AR933X_PLL_VAL_100      0x00001099
 482 #define AR933X_PLL_VAL_10       0x00991099
 483
 484 #define AR934X_PLL_VAL_1000     0x16000000
 485 #define AR934X_PLL_VAL_100      0x00000101
 486 #define AR934X_PLL_VAL_10       0x00001616
 487
 488 static void __init ath79_init_eth_pll_data(unsigned int id)
 489 {
 490         struct ath79_eth_pll_data *pll_data;
 491         u32 pll_10, pll_100, pll_1000;
 492
 493         switch (id) {
 494         case 0:
 495                 pll_data = &ath79_eth0_pll_data;
 496                 break;
 497         case 1:
 498                 pll_data = &ath79_eth1_pll_data;
 499                 break;
 500         default:
 501                 BUG();
 502         }
 503
 504         switch (ath79_soc) {
 505         case ATH79_SOC_AR7130:
 506         case ATH79_SOC_AR7141:
 507         case ATH79_SOC_AR7161:
 508                 pll_10 = AR71XX_PLL_VAL_10;
 509                 pll_100 = AR71XX_PLL_VAL_100;
 510                 pll_1000 = AR71XX_PLL_VAL_1000;
 511                 break;
 512
 513         case ATH79_SOC_AR7240:
 514         case ATH79_SOC_AR7241:
 515                 pll_10 = AR724X_PLL_VAL_10;
 516                 pll_100 = AR724X_PLL_VAL_100;
 517                 pll_1000 = AR724X_PLL_VAL_1000;
 518                 break;
 519
 520         case ATH79_SOC_AR7242:
 521                 pll_10 = AR7242_PLL_VAL_10;
 522                 pll_100 = AR7242_PLL_VAL_100;
 523                 pll_1000 = AR7242_PLL_VAL_1000;
 524                 break;
 525
 526         case ATH79_SOC_AR9130:
 527         case ATH79_SOC_AR9132:
 528                 pll_10 = AR913X_PLL_VAL_10;
 529                 pll_100 = AR913X_PLL_VAL_100;
 530                 pll_1000 = AR913X_PLL_VAL_1000;
 531                 break;
 532
 533         case ATH79_SOC_AR9330:
 534         case ATH79_SOC_AR9331:
 535                 pll_10 = AR933X_PLL_VAL_10;
 536                 pll_100 = AR933X_PLL_VAL_100;
 537                 pll_1000 = AR933X_PLL_VAL_1000;
 538                 break;
 539
 540         case ATH79_SOC_AR9341:
 541         case ATH79_SOC_AR9342:
 542         case ATH79_SOC_AR9344:
 543         case ATH79_SOC_QCA9558:
 544                 pll_10 = AR934X_PLL_VAL_10;
 545                 pll_100 = AR934X_PLL_VAL_100;
 546                 pll_1000 = AR934X_PLL_VAL_1000;
 547                 break;
 548
 549         default:
 550                 BUG();
 551         }
 552
 553         if (!pll_data->pll_10)
 554                 pll_data->pll_10 = pll_10;
 555
 556         if (!pll_data->pll_100)
 557                 pll_data->pll_100 = pll_100;
 558
 559         if (!pll_data->pll_1000)
 560                 pll_data->pll_1000 = pll_1000;
 561 }
 562
 563 static int __init ath79_setup_phy_if_mode(unsigned int id,
 564                                            struct ag71xx_platform_data *pdata)
 565 {
 566         unsigned int mii_if;
 567
 568         switch (id) {
 569         case 0:
 570                 switch (ath79_soc) {
 571                 case ATH79_SOC_AR7130:
 572                 case ATH79_SOC_AR7141:
 573                 case ATH79_SOC_AR7161:
 574                 case ATH79_SOC_AR9130:
 575                 case ATH79_SOC_AR9132:
 576                         switch (pdata->phy_if_mode) {
 577                         case PHY_INTERFACE_MODE_MII:
 578                                 mii_if = AR71XX_MII0_CTRL_IF_MII;
 579                                 break;
 580                         case PHY_INTERFACE_MODE_GMII:
 581                                 mii_if = AR71XX_MII0_CTRL_IF_GMII;
 582                                 break;
 583                         case PHY_INTERFACE_MODE_RGMII:
 584                                 mii_if = AR71XX_MII0_CTRL_IF_RGMII;
 585                                 break;
 586                         case PHY_INTERFACE_MODE_RMII:
 587                                 mii_if = AR71XX_MII0_CTRL_IF_RMII;
 588                                 break;
 589                         default:
 590                                 return -EINVAL;
 591                         }
 592                         ath79_mii_ctrl_set_if(AR71XX_MII_REG_MII0_CTRL, mii_if);
 593                         break;
 594
 595                 case ATH79_SOC_AR7240:
 596                 case ATH79_SOC_AR7241:
 597                 case ATH79_SOC_AR9330:
 598                 case ATH79_SOC_AR9331:
 599                         pdata->phy_if_mode = PHY_INTERFACE_MODE_MII;
 600                         break;
 601
 602                 case ATH79_SOC_AR7242:
 603                         /* FIXME */
 604
 605                 case ATH79_SOC_AR9341:
 606                 case ATH79_SOC_AR9342:
 607                 case ATH79_SOC_AR9344:
 608                 case ATH79_SOC_QCA9558:
 609                         switch (pdata->phy_if_mode) {
 610                         case PHY_INTERFACE_MODE_MII:
 611                         case PHY_INTERFACE_MODE_GMII:
 612                         case PHY_INTERFACE_MODE_RGMII:
 613                         case PHY_INTERFACE_MODE_RMII:
 614                                 break;
 615                         default:
 616                                 return -EINVAL;
 617                         }
 618                         break;
 619
 620                 default:
 621                         BUG();
 622                 }
 623                 break;
 624         case 1:
 625                 switch (ath79_soc) {
 626                 case ATH79_SOC_AR7130:
 627                 case ATH79_SOC_AR7141:
 628                 case ATH79_SOC_AR7161:
 629                 case ATH79_SOC_AR9130:
 630                 case ATH79_SOC_AR9132:
 631                         switch (pdata->phy_if_mode) {
 632                         case PHY_INTERFACE_MODE_RMII:
 633                                 mii_if = AR71XX_MII1_CTRL_IF_RMII;
 634                                 break;
 635                         case PHY_INTERFACE_MODE_RGMII:
 636                                 mii_if = AR71XX_MII1_CTRL_IF_RGMII;
 637                                 break;
 638                         default:
 639                                 return -EINVAL;
 640                         }
 641                         ath79_mii_ctrl_set_if(AR71XX_MII_REG_MII1_CTRL, mii_if);
 642                         break;
 643
 644                 case ATH79_SOC_AR7240:
 645                 case ATH79_SOC_AR7241:
 646                 case ATH79_SOC_AR9330:
 647                 case ATH79_SOC_AR9331:
 648                         pdata->phy_if_mode = PHY_INTERFACE_MODE_GMII;
 649                         break;
 650
 651                 case ATH79_SOC_AR7242:
 652                         /* FIXME */
 653
 654                 case ATH79_SOC_AR9341:
 655                 case ATH79_SOC_AR9342:
 656                 case ATH79_SOC_AR9344:
 657                 case ATH79_SOC_QCA9558:
 658                         switch (pdata->phy_if_mode) {
 659                         case PHY_INTERFACE_MODE_MII:
 660                         case PHY_INTERFACE_MODE_GMII:
 661                                 break;
 662                         default:
 663                                 return -EINVAL;
 664                         }
 665                         break;
 666
 667                 default:
 668                         BUG();
 669                 }
 670                 break;
 671         }
 672
 673         return 0;
 674 }
 675
 676 void __init ath79_setup_ar933x_phy4_switch(bool mac, bool mdio)
 677 {
 678         void __iomem *base;
 679         u32 t;
 680
 681         base = ioremap(AR933X_GMAC_BASE, AR933X_GMAC_SIZE);
 682
 683         t = __raw_readl(base + AR933X_GMAC_REG_ETH_CFG);
 684         t &= ~(AR933X_ETH_CFG_SW_PHY_SWAP | AR933X_ETH_CFG_SW_PHY_ADDR_SWAP);
 685         if (mac)
 686                 t |= AR933X_ETH_CFG_SW_PHY_SWAP;
 687         if (mdio)
 688                 t |= AR933X_ETH_CFG_SW_PHY_ADDR_SWAP;
 689         __raw_writel(t, base + AR933X_GMAC_REG_ETH_CFG);
 690
 691         iounmap(base);
 692 }
 693
 694 static int ath79_eth_instance __initdata;
 695 void __init ath79_register_eth(unsigned int id)
 696 {
 697         struct platform_device *pdev;
 698         struct ag71xx_platform_data *pdata;
 699         int err;
 700
 701         if (id > 1) {
 702                 printk(KERN_ERR "ar71xx: invalid ethernet id %d\n", id);
 703                 return;
 704         }
 705
 706         ath79_init_eth_pll_data(id);
 707
 708         if (id == 0)
 709                 pdev = &ath79_eth0_device;
 710         else
 711                 pdev = &ath79_eth1_device;
 712
 713         pdata = pdev->dev.platform_data;
 714
 715         err = ath79_setup_phy_if_mode(id, pdata);
 716         if (err) {
 717                 printk(KERN_ERR
 718                        "ar71xx: invalid PHY interface mode for GE%u\n", id);
 719                 return;
 720         }
 721
 722         switch (ath79_soc) {
 723         case ATH79_SOC_AR7130:
 724                 if (id == 0) {
 725                         pdata->ddr_flush = ath79_ddr_flush_ge0;
 726                         pdata->set_speed = ath79_set_speed_ge0;
 727                 } else {
 728                         pdata->ddr_flush = ath79_ddr_flush_ge1;
 729                         pdata->set_speed = ath79_set_speed_ge1;
 730                 }
 731                 break;
 732
 733         case ATH79_SOC_AR7141:
 734         case ATH79_SOC_AR7161:
 735                 if (id == 0) {
 736                         pdata->ddr_flush = ath79_ddr_flush_ge0;
 737                         pdata->set_speed = ath79_set_speed_ge0;
 738                 } else {
 739                         pdata->ddr_flush = ath79_ddr_flush_ge1;
 740                         pdata->set_speed = ath79_set_speed_ge1;
 741                 }
 742                 pdata->has_gbit = 1;
 743                 break;
 744
 745         case ATH79_SOC_AR7242:
 746                 if (id == 0) {
 747                         pdata->reset_bit |= AR724X_RESET_GE0_MDIO |
 748                                             AR71XX_RESET_GE0_PHY;
 749                         pdata->ddr_flush = ar724x_ddr_flush_ge0;
 750                         pdata->set_speed = ar7242_set_speed_ge0;
 751                 } else {
 752                         pdata->reset_bit |= AR724X_RESET_GE1_MDIO |
 753                                             AR71XX_RESET_GE1_PHY;
 754                         pdata->ddr_flush = ar724x_ddr_flush_ge1;
 755                         pdata->set_speed = ath79_set_speed_dummy;
 756                 }
 757                 pdata->has_gbit = 1;
 758                 pdata->is_ar724x = 1;
 759
 760                 if (!pdata->fifo_cfg1)
 761                         pdata->fifo_cfg1 = 0x0010ffff;
 762                 if (!pdata->fifo_cfg2)
 763                         pdata->fifo_cfg2 = 0x015500aa;
 764                 if (!pdata->fifo_cfg3)
 765                         pdata->fifo_cfg3 = 0x01f00140;
 766                 break;
 767
 768         case ATH79_SOC_AR7241:
 769                 if (id == 0)
 770                         pdata->reset_bit |= AR724X_RESET_GE0_MDIO;
 771                 else
 772                         pdata->reset_bit |= AR724X_RESET_GE1_MDIO;
 773                 /* fall through */
 774         case ATH79_SOC_AR7240:
 775                 if (id == 0) {
 776                         pdata->reset_bit |= AR71XX_RESET_GE0_PHY;
 777                         pdata->ddr_flush = ar724x_ddr_flush_ge0;
 778                         pdata->set_speed = ath79_set_speed_dummy;
 779
 780                         pdata->phy_mask = BIT(4);
 781                 } else {
 782                         pdata->reset_bit |= AR71XX_RESET_GE1_PHY;
 783                         pdata->ddr_flush = ar724x_ddr_flush_ge1;
 784                         pdata->set_speed = ath79_set_speed_dummy;
 785
 786                         pdata->speed = SPEED_1000;
 787                         pdata->duplex = DUPLEX_FULL;
 788                         pdata->switch_data = &ath79_switch_data;
 789
 790                         ath79_switch_data.phy_poll_mask |= BIT(4);
 791                 }
 792                 pdata->has_gbit = 1;
 793                 pdata->is_ar724x = 1;
 794                 if (ath79_soc == ATH79_SOC_AR7240)
 795                         pdata->is_ar7240 = 1;
 796
 797                 if (!pdata->fifo_cfg1)
 798                         pdata->fifo_cfg1 = 0x0010ffff;
 799                 if (!pdata->fifo_cfg2)
 800                         pdata->fifo_cfg2 = 0x015500aa;
 801                 if (!pdata->fifo_cfg3)
 802                         pdata->fifo_cfg3 = 0x01f00140;
 803                 break;
 804
 805         case ATH79_SOC_AR9130:
 806                 if (id == 0) {
 807                         pdata->ddr_flush = ar91xx_ddr_flush_ge0;
 808                         pdata->set_speed = ar91xx_set_speed_ge0;
 809                 } else {
 810                         pdata->ddr_flush = ar91xx_ddr_flush_ge1;
 811                         pdata->set_speed = ar91xx_set_speed_ge1;
 812                 }
 813                 pdata->is_ar91xx = 1;
 814                 break;
 815
 816         case ATH79_SOC_AR9132:
 817                 if (id == 0) {
 818                         pdata->ddr_flush = ar91xx_ddr_flush_ge0;
 819                         pdata->set_speed = ar91xx_set_speed_ge0;
 820                 } else {
 821                         pdata->ddr_flush = ar91xx_ddr_flush_ge1;
 822                         pdata->set_speed = ar91xx_set_speed_ge1;
 823                 }
 824                 pdata->is_ar91xx = 1;
 825                 pdata->has_gbit = 1;
 826                 break;
 827
 828         case ATH79_SOC_AR9330:
 829         case ATH79_SOC_AR9331:
 830                 if (id == 0) {
 831                         pdata->reset_bit = AR933X_RESET_GE0_MAC |
 832                                            AR933X_RESET_GE0_MDIO;
 833                         pdata->ddr_flush = ar933x_ddr_flush_ge0;
 834                         pdata->set_speed = ath79_set_speed_dummy;
 835
 836                         pdata->phy_mask = BIT(4);
 837                 } else {
 838                         pdata->reset_bit = AR933X_RESET_GE1_MAC |
 839                                            AR933X_RESET_GE1_MDIO;
 840                         pdata->ddr_flush = ar933x_ddr_flush_ge1;
 841                         pdata->set_speed = ath79_set_speed_dummy;
 842
 843                         pdata->speed = SPEED_1000;
 844                         pdata->duplex = DUPLEX_FULL;
 845                         pdata->switch_data = &ath79_switch_data;
 846
 847                         ath79_switch_data.phy_poll_mask |= BIT(4);
 848                 }
 849
 850                 pdata->has_gbit = 1;
 851                 pdata->is_ar724x = 1;
 852
 853                 if (!pdata->fifo_cfg1)
 854                         pdata->fifo_cfg1 = 0x0010ffff;
 855                 if (!pdata->fifo_cfg2)
 856                         pdata->fifo_cfg2 = 0x015500aa;
 857                 if (!pdata->fifo_cfg3)
 858                         pdata->fifo_cfg3 = 0x01f00140;
 859                 break;
 860
 861         case ATH79_SOC_AR9341:
 862         case ATH79_SOC_AR9342:
 863         case ATH79_SOC_AR9344:
 864         case ATH79_SOC_QCA9558:
 865                 if (id == 0) {
 866                         pdata->reset_bit = AR934X_RESET_GE0_MAC |
 867                                            AR934X_RESET_GE0_MDIO;
 868                         pdata->set_speed = ar934x_set_speed_ge0;
 869                 } else {
 870                         pdata->reset_bit = AR934X_RESET_GE1_MAC |
 871                                            AR934X_RESET_GE1_MDIO;
 872                         pdata->set_speed = ath79_set_speed_dummy;
 873
 874                         pdata->switch_data = &ath79_switch_data;
 875
 876                         /* reset the built-in switch */
 877                         ath79_device_reset_set(AR934X_RESET_ETH_SWITCH);
 878                         ath79_device_reset_clear(AR934X_RESET_ETH_SWITCH);
 879                 }
 880
 881                 pdata->ddr_flush = ath79_ddr_no_flush;
 882                 pdata->has_gbit = 1;
 883                 pdata->is_ar724x = 1;
 884
 885                 if (!pdata->fifo_cfg1)
 886                         pdata->fifo_cfg1 = 0x0010ffff;
 887                 if (!pdata->fifo_cfg2)
 888                         pdata->fifo_cfg2 = 0x015500aa;
 889                 if (!pdata->fifo_cfg3)
 890                         pdata->fifo_cfg3 = 0x01f00140;
 891                 break;
 892
 893         default:
 894                 BUG();
 895         }
 896
 897         switch (pdata->phy_if_mode) {
 898         case PHY_INTERFACE_MODE_GMII:
 899         case PHY_INTERFACE_MODE_RGMII:
 900                 if (!pdata->has_gbit) {
 901                         printk(KERN_ERR "ar71xx: no gbit available on eth%d\n",
 902                                         id);
 903                         return;
 904                 }
 905                 /* fallthrough */
 906         default:
 907                 break;
 908         }
 909
 910         if (!is_valid_ether_addr(pdata->mac_addr)) {
 911                 random_ether_addr(pdata->mac_addr);
 912                 printk(KERN_DEBUG
 913                         "ar71xx: using random MAC address for eth%d\n",
 914                         ath79_eth_instance);
 915         }
 916
 917         if (pdata->mii_bus_dev == NULL) {
 918                 switch (ath79_soc) {
 919                 case ATH79_SOC_AR9341:
 920                 case ATH79_SOC_AR9342:
 921                 case ATH79_SOC_AR9344:
 922                 case ATH79_SOC_QCA9558:
 923                         if (id == 0)
 924                                 pdata->mii_bus_dev = &ath79_mdio0_device.dev;
 925                         else
 926                                 pdata->mii_bus_dev = &ath79_mdio1_device.dev;
 927                         break;
 928
 929                 case ATH79_SOC_AR7241:
 930                 case ATH79_SOC_AR9330:
 931                 case ATH79_SOC_AR9331:
 932                         pdata->mii_bus_dev = &ath79_mdio1_device.dev;
 933                         break;
 934
 935                 default:
 936                         pdata->mii_bus_dev = &ath79_mdio0_device.dev;
 937                         break;
 938                 }
 939         }
 940
 941         /* Reset the device */
 942         ath79_device_reset_set(pdata->reset_bit);
 943         mdelay(100);
 944
 945         ath79_device_reset_clear(pdata->reset_bit);
 946         mdelay(100);
 947
 948         platform_device_register(pdev);
 949         ath79_eth_instance++;
 950 }
 951
 952 void __init ath79_set_mac_base(unsigned char *mac)
 953 {
 954         memcpy(ath79_mac_base, mac, ETH_ALEN);
 955 }
 956
 957 void __init ath79_parse_mac_addr(char *mac_str)
 958 {
 959         u8 tmp[ETH_ALEN];
 960         int t;
 961
 962         t = sscanf(mac_str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
 963                         &tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5]);
 964
 965         if (t != ETH_ALEN)
 966                 t = sscanf(mac_str, "%02hhx.%02hhx.%02hhx.%02hhx.%02hhx.%02hhx",
 967                         &tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5]);
 968
 969         if (t == ETH_ALEN)
 970                 ath79_set_mac_base(tmp);
 971         else
 972                 printk(KERN_DEBUG "ar71xx: failed to parse mac address "
 973                                 "\"%s\"\n", mac_str);
 974 }
 975
 976 static int __init ath79_ethaddr_setup(char *str)
 977 {
 978         ath79_parse_mac_addr(str);
 979         return 1;
 980 }
 981 __setup("ethaddr=", ath79_ethaddr_setup);
 982
 983 static int __init ath79_kmac_setup(char *str)
 984 {
 985         ath79_parse_mac_addr(str);
 986         return 1;
 987 }
 988 __setup("kmac=", ath79_kmac_setup);
 989
 990 void __init ath79_init_mac(unsigned char *dst, const unsigned char *src,
 991                             int offset)
 992 {
 993         int t;
 994
 995         if (!dst)
 996                 return;
 997
 998         if (!src || !is_valid_ether_addr(src)) {
 999                 memset(dst, '\0', ETH_ALEN);
1000                 return;
1001         }
1002
1003         t = (((u32) src[3]) << 16) + (((u32) src[4]) << 8) + ((u32) src[5]);
1004         t += offset;
1005
1006         dst[0] = src[0];
1007         dst[1] = src[1];
1008         dst[2] = src[2];
1009         dst[3] = (t >> 16) & 0xff;
1010         dst[4] = (t >> 8) & 0xff;
1011         dst[5] = t & 0xff;
1012 }
1013
1014 void __init ath79_init_local_mac(unsigned char *dst, const unsigned char *src)
1015 {
1016         int i;
1017
1018         if (!dst)
1019                 return;
1020
1021         if (!src || !is_valid_ether_addr(src)) {
1022                 memset(dst, '\0', ETH_ALEN);
1023                 return;
1024         }
1025
1026         for (i = 0; i < ETH_ALEN; i++)
1027                 dst[i] = src[i];
1028         dst[0] |= 0x02;
1029 }