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
  22 #include <asm/mips_machine.h>
  23 #include <asm/mach-ar71xx/ar71xx.h>
  24 #include <asm/mach-ar71xx/pci.h>
  25
  26 #include "devices.h"
  27
  28 #define WNDR3700_GPIO_LED_WPS_ORANGE    0
  29 #define WNDR3700_GPIO_LED_POWER_ORANGE  1
  30 #define WNDR3700_GPIO_LED_POWER_GREEN   2
  31 #define WNDR3700_GPIO_LED_WPS_GREEN     4
  32
  33 #define WNDR3700_GPIO_BTN_WPS           3
  34 #define WNDR3700_GPIO_BTN_RESET         8
  35 #define WNDR3700_GPIO_BTN_WIFI          11
  36
  37 #define WNDR3700_BUTTONS_POLL_INTERVAL    20
  38
  39 #ifdef CONFIG_MTD_PARTITIONS
  40 static struct mtd_partition wndr3700_partitions[] = {
  41         {
  42                 .name           = "uboot",
  43                 .offset         = 0,
  44                 .size           = 0x050000,
  45                 .mask_flags     = MTD_WRITEABLE,
  46         } , {
  47                 .name           = "env",
  48                 .offset         = 0x050000,
  49                 .size           = 0x020000,
  50                 .mask_flags     = MTD_WRITEABLE,
  51         } , {
  52                 .name           = "rootfs",
  53                 .offset         = 0x070000,
  54                 .size           = 0x720000,
  55         } , {
  56                 .name           = "config",
  57                 .offset         = 0x790000,
  58                 .size           = 0x010000,
  59                 .mask_flags     = MTD_WRITEABLE,
  60         } , {
  61                 .name           = "config_bak",
  62                 .offset         = 0x7a0000,
  63                 .size           = 0x010000,
  64                 .mask_flags     = MTD_WRITEABLE,
  65         } , {
  66                 .name           = "pot",
  67                 .offset         = 0x7b0000,
  68                 .size           = 0x010000,
  69                 .mask_flags     = MTD_WRITEABLE,
  70         } , {
  71                 .name           = "traffic_meter",
  72                 .offset         = 0x7c0000,
  73                 .size           = 0x010000,
  74                 .mask_flags     = MTD_WRITEABLE,
  75         } , {
  76                 .name           = "language",
  77                 .offset         = 0x7d0000,
  78                 .size           = 0x020000,
  79                 .mask_flags     = MTD_WRITEABLE,
  80         } , {
  81                 .name           = "caldata",
  82                 .offset         = 0x7f0000,
  83                 .size           = 0x010000,
  84                 .mask_flags     = MTD_WRITEABLE,
  85         }
  86 };
  87 #endif /* CONFIG_MTD_PARTITIONS */
  88
  89 static struct flash_platform_data wndr3700_flash_data = {
  90 #ifdef CONFIG_MTD_PARTITIONS
  91         .parts          = wndr3700_partitions,
  92         .nr_parts       = ARRAY_SIZE(wndr3700_partitions),
  93 #endif
  94 };
  95
  96 #ifdef CONFIG_PCI
  97 static struct ar71xx_pci_irq wndr3700_pci_irqs[] __initdata = {
  98         {
  99                 .slot   = 0,
 100                 .pin    = 1,
 101                 .irq    = AR71XX_PCI_IRQ_DEV0,
 102         }, {
 103                 .slot   = 1,
 104                 .pin    = 1,
 105                 .irq    = AR71XX_PCI_IRQ_DEV1,
 106         }
 107 };
 108
 109 static struct ath9k_platform_data wndr3700_wmac0_data;
 110 static struct ath9k_platform_data wndr3700_wmac1_data;
 111
 112 static void wndr3700_pci_fixup(struct pci_dev *dev)
 113 {
 114         void __iomem *mem;
 115         u16 *cal_data;
 116         u16 cmd;
 117         u32 bar0;
 118         u32 val;
 119
 120         if (ar71xx_mach != AR71XX_MACH_WNDR3700)
 121                 return;
 122
 123         switch (PCI_SLOT(dev->devfn)) {
 124         case 17:
 125                 cal_data = wndr3700_wmac0_data.eeprom_data;
 126                 break;
 127         case 18:
 128                 cal_data = wndr3700_wmac1_data.eeprom_data;
 129                 break;
 130         default:
 131                 return;
 132         }
 133
 134         if (*cal_data != 0xa55a) {
 135                 printk(KERN_ERR "PCI: no calibration data found for %s\n",
 136                        pci_name(dev));
 137                 return;
 138         }
 139
 140         mem = ioremap(AR71XX_PCI_MEM_BASE, 0x10000);
 141         if (!mem) {
 142                 printk(KERN_ERR "PCI: ioremap error for device %s\n",
 143                        pci_name(dev));
 144                 return;
 145         }
 146
 147         printk(KERN_INFO "PCI: fixup device %s\n", pci_name(dev));
 148
 149         pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
 150
 151         /* Setup the PCI device to allow access to the internal registers */
 152         pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, AR71XX_PCI_MEM_BASE);
 153         pci_read_config_word(dev, PCI_COMMAND, &cmd);
 154         cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
 155         pci_write_config_word(dev, PCI_COMMAND, cmd);
 156
 157         /* set pointer to first reg address */
 158         cal_data += 3;
 159         while (*cal_data != 0xffff) {
 160                 u32 reg;
 161                 reg = *cal_data++;
 162                 val = *cal_data++;
 163                 val |= (*cal_data++) << 16;
 164
 165                 __raw_writel(val, mem + reg);
 166                 udelay(100);
 167         }
 168
 169         pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
 170         dev->vendor = val & 0xffff;
 171         dev->device = (val >> 16) & 0xffff;
 172
 173         pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
 174         dev->revision = val & 0xff;
 175         dev->class = val >> 8; /* upper 3 bytes */
 176
 177         pci_read_config_word(dev, PCI_COMMAND, &cmd);
 178         cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
 179         pci_write_config_word(dev, PCI_COMMAND, cmd);
 180
 181         pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
 182
 183         iounmap(mem);
 184 }
 185 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID,
 186                         wndr3700_pci_fixup);
 187
 188 static int wndr3700_pci_plat_dev_init(struct pci_dev *dev)
 189 {
 190         switch (PCI_SLOT(dev->devfn)) {
 191         case 17:
 192                 dev->dev.platform_data = &wndr3700_wmac0_data;
 193                 break;
 194         case 18:
 195                 dev->dev.platform_data = &wndr3700_wmac1_data;
 196                 break;
 197         }
 198
 199         return 0;
 200 }
 201
 202 static void __init wndr3700_pci_init(void)
 203 {
 204         u8 *ee;
 205
 206         ee = (u8 *) KSEG1ADDR(0x1fff1000);
 207         memcpy(wndr3700_wmac0_data.eeprom_data, ee,
 208                sizeof(wndr3700_wmac0_data.eeprom_data));
 209
 210         ee = (u8 *) KSEG1ADDR(0x1fff5000);
 211         memcpy(wndr3700_wmac1_data.eeprom_data, ee,
 212                sizeof(wndr3700_wmac1_data.eeprom_data));
 213
 214         ar71xx_pci_plat_dev_init = wndr3700_pci_plat_dev_init;
 215         ar71xx_pci_init(ARRAY_SIZE(wndr3700_pci_irqs), wndr3700_pci_irqs);
 216 }
 217 #else
 218 static inline void wndr3700_pci_init(void) { };
 219 #endif /* CONFIG_PCI */
 220
 221 static struct spi_board_info wndr3700_spi_info[] = {
 222         {
 223                 .bus_num        = 0,
 224                 .chip_select    = 0,
 225                 .max_speed_hz   = 25000000,
 226                 .modalias       = "m25p80",
 227                 .platform_data  = &wndr3700_flash_data,
 228         }
 229 };
 230
 231 static struct gpio_led wndr3700_leds_gpio[] __initdata = {
 232         {
 233                 .name           = "wndr3700:green:power",
 234                 .gpio           = WNDR3700_GPIO_LED_POWER_GREEN,
 235                 .active_low     = 1,
 236         }, {
 237                 .name           = "wndr3700:orange:power",
 238                 .gpio           = WNDR3700_GPIO_LED_POWER_ORANGE,
 239                 .active_low     = 1,
 240         }, {
 241                 .name           = "wndr3700:green:wps",
 242                 .gpio           = WNDR3700_GPIO_LED_WPS_GREEN,
 243                 .active_low     = 1,
 244         }, {
 245                 .name           = "wndr3700:orange:wps",
 246                 .gpio           = WNDR3700_GPIO_LED_WPS_ORANGE,
 247                 .active_low     = 1,
 248         }
 249 };
 250
 251 static struct gpio_button wndr3700_gpio_buttons[] __initdata = {
 252         {
 253                 .desc           = "reset",
 254                 .type           = EV_KEY,
 255                 .code           = BTN_0,
 256                 .threshold      = 5,
 257                 .gpio           = WNDR3700_GPIO_BTN_RESET,
 258         }, {
 259                 .desc           = "wps",
 260                 .type           = EV_KEY,
 261                 .code           = BTN_1,
 262                 .threshold      = 5,
 263                 .gpio           = WNDR3700_GPIO_BTN_WPS,
 264         } , {
 265                 .desc           = "wifi",
 266                 .type           = EV_KEY,
 267                 .code           = BTN_2,
 268                 .threshold      = 5,
 269                 .gpio           = WNDR3700_GPIO_BTN_WIFI,
 270         }
 271 };
 272
 273 static void __init wndr3700_setup(void)
 274 {
 275         u8 *mac = (u8 *) KSEG1ADDR(0x1fff0000);
 276
 277         ar71xx_set_mac_base(mac);
 278         ar71xx_add_device_mdio(0x0);
 279
 280         ar71xx_eth0_pll_data.pll_1000 = 0x11110000;
 281         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 282         ar71xx_eth0_data.phy_mask = 0xf;
 283         ar71xx_eth0_data.speed = SPEED_1000;
 284         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 285
 286         ar71xx_eth1_pll_data.pll_1000 = 0x11110000;
 287         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 288         ar71xx_eth1_data.phy_mask = 0x10;
 289
 290         ar71xx_add_device_eth(0);
 291         ar71xx_add_device_eth(1);
 292
 293         ar71xx_add_device_usb();
 294
 295         ar71xx_add_device_spi(NULL, wndr3700_spi_info,
 296                               ARRAY_SIZE(wndr3700_spi_info));
 297
 298         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wndr3700_leds_gpio),
 299                                     wndr3700_leds_gpio);
 300
 301         ar71xx_add_device_gpio_buttons(-1, WNDR3700_BUTTONS_POLL_INTERVAL,
 302                                       ARRAY_SIZE(wndr3700_gpio_buttons),
 303                                       wndr3700_gpio_buttons);
 304
 305         wndr3700_pci_init();
 306 }
 307
 308 MIPS_MACHINE(AR71XX_MACH_WNDR3700, "NETGEAR WNDR3700", wndr3700_setup);