target/linux/ar71xx/files/arch/mips/ar71xx/mach-wndr3700.c

   1 /*
   2  *  Netgear WNDR3700 board support
   3  *
   4  *  Copyright (C) 2009 Marco Porsch
   5  *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License version 2 as published
   9  *  by the Free Software Foundation.
  10  */
  11
  12 #include <linux/platform_device.h>
  13 #include <linux/mtd/mtd.h>
  14 #include <linux/mtd/partitions.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/flash.h>
  17 #include <linux/input.h>
  18 #include <linux/pci.h>
  19 #include <linux/ath9k_platform.h>
  20 #include <linux/delay.h>
  21 #include <linux/rtl8366_smi.h>
  22
  23 #include <asm/mips_machine.h>
  24 #include <asm/mach-ar71xx/ar71xx.h>
  25 #include <asm/mach-ar71xx/pci.h>
  26
  27 #include "devices.h"
  28
  29 #define WNDR3700_GPIO_LED_WPS_ORANGE    0
  30 #define WNDR3700_GPIO_LED_POWER_ORANGE  1
  31 #define WNDR3700_GPIO_LED_POWER_GREEN   2
  32 #define WNDR3700_GPIO_LED_WPS_GREEN     4
  33
  34 #define WNDR3700_GPIO_BTN_WPS           3
  35 #define WNDR3700_GPIO_BTN_RESET         8
  36 #define WNDR3700_GPIO_BTN_WIFI          11
  37
  38 #define WNDR3700_GPIO_RTL8366_SDA       5
  39 #define WNDR3700_GPIO_RTL8366_SCK       7
  40
  41 #define WNDR3700_BUTTONS_POLL_INTERVAL    20
  42
  43 #ifdef CONFIG_MTD_PARTITIONS
  44 static struct mtd_partition wndr3700_partitions[] = {
  45         {
  46                 .name           = "uboot",
  47                 .offset         = 0,
  48                 .size           = 0x050000,
  49                 .mask_flags     = MTD_WRITEABLE,
  50         } , {
  51                 .name           = "env",
  52                 .offset         = 0x050000,
  53                 .size           = 0x020000,
  54                 .mask_flags     = MTD_WRITEABLE,
  55         } , {
  56                 .name           = "rootfs",
  57                 .offset         = 0x070000,
  58                 .size           = 0x720000,
  59         } , {
  60                 .name           = "config",
  61                 .offset         = 0x790000,
  62                 .size           = 0x010000,
  63                 .mask_flags     = MTD_WRITEABLE,
  64         } , {
  65                 .name           = "config_bak",
  66                 .offset         = 0x7a0000,
  67                 .size           = 0x010000,
  68                 .mask_flags     = MTD_WRITEABLE,
  69         } , {
  70                 .name           = "pot",
  71                 .offset         = 0x7b0000,
  72                 .size           = 0x010000,
  73                 .mask_flags     = MTD_WRITEABLE,
  74         } , {
  75                 .name           = "traffic_meter",
  76                 .offset         = 0x7c0000,
  77                 .size           = 0x010000,
  78                 .mask_flags     = MTD_WRITEABLE,
  79         } , {
  80                 .name           = "language",
  81                 .offset         = 0x7d0000,
  82                 .size           = 0x020000,
  83                 .mask_flags     = MTD_WRITEABLE,
  84         } , {
  85                 .name           = "caldata",
  86                 .offset         = 0x7f0000,
  87                 .size           = 0x010000,
  88                 .mask_flags     = MTD_WRITEABLE,
  89         }
  90 };
  91 #endif /* CONFIG_MTD_PARTITIONS */
  92
  93 static struct flash_platform_data wndr3700_flash_data = {
  94 #ifdef CONFIG_MTD_PARTITIONS
  95         .parts          = wndr3700_partitions,
  96         .nr_parts       = ARRAY_SIZE(wndr3700_partitions),
  97 #endif
  98 };
  99
 100 #ifdef CONFIG_PCI
 101 static struct ar71xx_pci_irq wndr3700_pci_irqs[] __initdata = {
 102         {
 103                 .slot   = 0,
 104                 .pin    = 1,
 105                 .irq    = AR71XX_PCI_IRQ_DEV0,
 106         }, {
 107                 .slot   = 1,
 108                 .pin    = 1,
 109                 .irq    = AR71XX_PCI_IRQ_DEV1,
 110         }
 111 };
 112
 113 static struct ath9k_platform_data wndr3700_wmac0_data;
 114 static u8 wndr3700_wmac0_macaddr[6];
 115 static struct ath9k_platform_data wndr3700_wmac1_data;
 116 static u8 wndr3700_wmac1_macaddr[6];
 117
 118 static void wndr3700_pci_fixup(struct pci_dev *dev)
 119 {
 120         void __iomem *mem;
 121         u16 *cal_data;
 122         u16 cmd;
 123         u32 bar0;
 124         u32 val;
 125
 126         if (ar71xx_mach != AR71XX_MACH_WNDR3700)
 127                 return;
 128
 129         switch (PCI_SLOT(dev->devfn)) {
 130         case 17:
 131                 cal_data = wndr3700_wmac0_data.eeprom_data;
 132                 break;
 133         case 18:
 134                 cal_data = wndr3700_wmac1_data.eeprom_data;
 135                 break;
 136         default:
 137                 return;
 138         }
 139
 140         if (*cal_data != 0xa55a) {
 141                 printk(KERN_ERR "PCI: no calibration data found for %s\n",
 142                        pci_name(dev));
 143                 return;
 144         }
 145
 146         mem = ioremap(AR71XX_PCI_MEM_BASE, 0x10000);
 147         if (!mem) {
 148                 printk(KERN_ERR "PCI: ioremap error for device %s\n",
 149                        pci_name(dev));
 150                 return;
 151         }
 152
 153         printk(KERN_INFO "PCI: fixup device %s\n", pci_name(dev));
 154
 155         pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
 156
 157         /* Setup the PCI device to allow access to the internal registers */
 158         pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, AR71XX_PCI_MEM_BASE);
 159         pci_read_config_word(dev, PCI_COMMAND, &cmd);
 160         cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
 161         pci_write_config_word(dev, PCI_COMMAND, cmd);
 162
 163         /* set pointer to first reg address */
 164         cal_data += 3;
 165         while (*cal_data != 0xffff) {
 166                 u32 reg;
 167                 reg = *cal_data++;
 168                 val = *cal_data++;
 169                 val |= (*cal_data++) << 16;
 170
 171                 __raw_writel(val, mem + reg);
 172                 udelay(100);
 173         }
 174
 175         pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
 176         dev->vendor = val & 0xffff;
 177         dev->device = (val >> 16) & 0xffff;
 178
 179         pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
 180         dev->revision = val & 0xff;
 181         dev->class = val >> 8; /* upper 3 bytes */
 182
 183         pci_read_config_word(dev, PCI_COMMAND, &cmd);
 184         cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
 185         pci_write_config_word(dev, PCI_COMMAND, cmd);
 186
 187         pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
 188
 189         iounmap(mem);
 190 }
 191 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID,
 192                         wndr3700_pci_fixup);
 193
 194 static int wndr3700_pci_plat_dev_init(struct pci_dev *dev)
 195 {
 196         switch (PCI_SLOT(dev->devfn)) {
 197         case 17:
 198                 dev->dev.platform_data = &wndr3700_wmac0_data;
 199                 break;
 200         case 18:
 201                 dev->dev.platform_data = &wndr3700_wmac1_data;
 202                 break;
 203         }
 204
 205         return 0;
 206 }
 207
 208 static void __init wndr3700_pci_init(void)
 209 {
 210         u8 *ee = (u8 *) KSEG1ADDR(0x1fff0000);
 211
 212         memcpy(wndr3700_wmac0_data.eeprom_data, ee + 0x1000,
 213                sizeof(wndr3700_wmac0_data.eeprom_data));
 214         memcpy(wndr3700_wmac0_macaddr, ee, sizeof(wndr3700_wmac0_macaddr));
 215         wndr3700_wmac0_data.macaddr = wndr3700_wmac0_macaddr;
 216
 217         memcpy(wndr3700_wmac1_data.eeprom_data, ee + 0x5000,
 218                sizeof(wndr3700_wmac1_data.eeprom_data));
 219         memcpy(wndr3700_wmac1_macaddr, ee + 12, sizeof(wndr3700_wmac1_macaddr));
 220         wndr3700_wmac1_data.macaddr = wndr3700_wmac1_macaddr;
 221
 222         ar71xx_pci_plat_dev_init = wndr3700_pci_plat_dev_init;
 223         ar71xx_pci_init(ARRAY_SIZE(wndr3700_pci_irqs), wndr3700_pci_irqs);
 224 }
 225 #else
 226 static inline void wndr3700_pci_init(void) { };
 227 #endif /* CONFIG_PCI */
 228
 229 static struct spi_board_info wndr3700_spi_info[] = {
 230         {
 231                 .bus_num        = 0,
 232                 .chip_select    = 0,
 233                 .max_speed_hz   = 25000000,
 234                 .modalias       = "m25p80",
 235                 .platform_data  = &wndr3700_flash_data,
 236         }
 237 };
 238
 239 static struct gpio_led wndr3700_leds_gpio[] __initdata = {
 240         {
 241                 .name           = "wndr3700:green:power",
 242                 .gpio           = WNDR3700_GPIO_LED_POWER_GREEN,
 243                 .active_low     = 1,
 244         }, {
 245                 .name           = "wndr3700:orange:power",
 246                 .gpio           = WNDR3700_GPIO_LED_POWER_ORANGE,
 247                 .active_low     = 1,
 248         }, {
 249                 .name           = "wndr3700:green:wps",
 250                 .gpio           = WNDR3700_GPIO_LED_WPS_GREEN,
 251                 .active_low     = 1,
 252         }, {
 253                 .name           = "wndr3700:orange:wps",
 254                 .gpio           = WNDR3700_GPIO_LED_WPS_ORANGE,
 255                 .active_low     = 1,
 256         }
 257 };
 258
 259 static struct gpio_button wndr3700_gpio_buttons[] __initdata = {
 260         {
 261                 .desc           = "reset",
 262                 .type           = EV_KEY,
 263                 .code           = BTN_0,
 264                 .threshold      = 5,
 265                 .gpio           = WNDR3700_GPIO_BTN_RESET,
 266         }, {
 267                 .desc           = "wps",
 268                 .type           = EV_KEY,
 269                 .code           = BTN_1,
 270                 .threshold      = 5,
 271                 .gpio           = WNDR3700_GPIO_BTN_WPS,
 272         } , {
 273                 .desc           = "wifi",
 274                 .type           = EV_KEY,
 275                 .code           = BTN_2,
 276                 .threshold      = 5,
 277                 .gpio           = WNDR3700_GPIO_BTN_WIFI,
 278         }
 279 };
 280
 281 static struct rtl8366_smi_platform_data wndr3700_rtl8366_smi_data = {
 282         .gpio_sda        = WNDR3700_GPIO_RTL8366_SDA,
 283         .gpio_sck        = WNDR3700_GPIO_RTL8366_SCK,
 284 };
 285
 286 static struct platform_device wndr3700_rtl8366_smi_device = {
 287         .name           = "rtl8366-smi",
 288         .id             = -1,
 289         .dev = {
 290                 .platform_data  = &wndr3700_rtl8366_smi_data,
 291         }
 292 };
 293
 294 static void __init wndr3700_setup(void)
 295 {
 296         u8 *mac = (u8 *) KSEG1ADDR(0x1fff0000);
 297
 298         ar71xx_set_mac_base(mac);
 299
 300         ar71xx_eth0_pll_data.pll_1000 = 0x11110000;
 301         ar71xx_eth0_data.mii_bus_dev = &wndr3700_rtl8366_smi_device.dev;
 302         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 303         ar71xx_eth0_data.phy_mask = 0xf;
 304         ar71xx_eth0_data.speed = SPEED_1000;
 305         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 306
 307         ar71xx_eth1_pll_data.pll_1000 = 0x11110000;
 308         ar71xx_eth1_data.mii_bus_dev = &wndr3700_rtl8366_smi_device.dev;
 309         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 310         ar71xx_eth1_data.phy_mask = 0x10;
 311
 312         ar71xx_add_device_eth(0);
 313         ar71xx_add_device_eth(1);
 314
 315         ar71xx_add_device_usb();
 316
 317         ar71xx_add_device_spi(NULL, wndr3700_spi_info,
 318                               ARRAY_SIZE(wndr3700_spi_info));
 319
 320         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wndr3700_leds_gpio),
 321                                     wndr3700_leds_gpio);
 322
 323         ar71xx_add_device_gpio_buttons(-1, WNDR3700_BUTTONS_POLL_INTERVAL,
 324                                       ARRAY_SIZE(wndr3700_gpio_buttons),
 325                                       wndr3700_gpio_buttons);
 326
 327         platform_device_register(&wndr3700_rtl8366_smi_device);
 328         wndr3700_pci_init();
 329 }
 330
 331 MIPS_MACHINE(AR71XX_MACH_WNDR3700, "NETGEAR WNDR3700", wndr3700_setup);