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/input.h>
  16 #include <linux/pci.h>
  17 #include <linux/ath9k_platform.h>
  18 #include <linux/delay.h>
  19 #include <linux/rtl8366_smi.h>
  20
  21 #include <asm/mips_machine.h>
  22 #include <asm/mach-ar71xx/ar71xx.h>
  23 #include <asm/mach-ar71xx/pci.h>
  24
  25 #include "devices.h"
  26 #include "dev-m25p80.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_GPIO_RTL8366_SDA       5
  38 #define WNDR3700_GPIO_RTL8366_SCK       7
  39
  40 #define WNDR3700_BUTTONS_POLL_INTERVAL    20
  41
  42 #ifdef CONFIG_MTD_PARTITIONS
  43 static struct mtd_partition wndr3700_partitions[] = {
  44         {
  45                 .name           = "uboot",
  46                 .offset         = 0,
  47                 .size           = 0x050000,
  48                 .mask_flags     = MTD_WRITEABLE,
  49         } , {
  50                 .name           = "env",
  51                 .offset         = 0x050000,
  52                 .size           = 0x020000,
  53                 .mask_flags     = MTD_WRITEABLE,
  54         } , {
  55                 .name           = "rootfs",
  56                 .offset         = 0x070000,
  57                 .size           = 0x720000,
  58         } , {
  59                 .name           = "config",
  60                 .offset         = 0x790000,
  61                 .size           = 0x010000,
  62                 .mask_flags     = MTD_WRITEABLE,
  63         } , {
  64                 .name           = "config_bak",
  65                 .offset         = 0x7a0000,
  66                 .size           = 0x010000,
  67                 .mask_flags     = MTD_WRITEABLE,
  68         } , {
  69                 .name           = "pot",
  70                 .offset         = 0x7b0000,
  71                 .size           = 0x010000,
  72                 .mask_flags     = MTD_WRITEABLE,
  73         } , {
  74                 .name           = "traffic_meter",
  75                 .offset         = 0x7c0000,
  76                 .size           = 0x010000,
  77                 .mask_flags     = MTD_WRITEABLE,
  78         } , {
  79                 .name           = "language",
  80                 .offset         = 0x7d0000,
  81                 .size           = 0x020000,
  82                 .mask_flags     = MTD_WRITEABLE,
  83         } , {
  84                 .name           = "caldata",
  85                 .offset         = 0x7f0000,
  86                 .size           = 0x010000,
  87                 .mask_flags     = MTD_WRITEABLE,
  88         }
  89 };
  90 #endif /* CONFIG_MTD_PARTITIONS */
  91
  92 static struct flash_platform_data wndr3700_flash_data = {
  93 #ifdef CONFIG_MTD_PARTITIONS
  94         .parts          = wndr3700_partitions,
  95         .nr_parts       = ARRAY_SIZE(wndr3700_partitions),
  96 #endif
  97 };
  98
  99 #ifdef CONFIG_PCI
 100 static struct ar71xx_pci_irq wndr3700_pci_irqs[] __initdata = {
 101         {
 102                 .slot   = 0,
 103                 .pin    = 1,
 104                 .irq    = AR71XX_PCI_IRQ_DEV0,
 105         }, {
 106                 .slot   = 1,
 107                 .pin    = 1,
 108                 .irq    = AR71XX_PCI_IRQ_DEV1,
 109         }
 110 };
 111
 112 static struct ath9k_platform_data wndr3700_wmac0_data;
 113 static u8 wndr3700_wmac0_macaddr[6];
 114 static struct ath9k_platform_data wndr3700_wmac1_data;
 115 static u8 wndr3700_wmac1_macaddr[6];
 116
 117 static void wndr3700_pci_fixup(struct pci_dev *dev)
 118 {
 119         void __iomem *mem;
 120         u16 *cal_data;
 121         u16 cmd;
 122         u32 bar0;
 123         u32 val;
 124
 125         if (ar71xx_mach != AR71XX_MACH_WNDR3700)
 126                 return;
 127
 128         switch (PCI_SLOT(dev->devfn)) {
 129         case 17:
 130                 cal_data = wndr3700_wmac0_data.eeprom_data;
 131                 break;
 132         case 18:
 133                 cal_data = wndr3700_wmac1_data.eeprom_data;
 134                 break;
 135         default:
 136                 return;
 137         }
 138
 139         if (*cal_data != 0xa55a) {
 140                 printk(KERN_ERR "PCI: no calibration data found for %s\n",
 141                        pci_name(dev));
 142                 return;
 143         }
 144
 145         mem = ioremap(AR71XX_PCI_MEM_BASE, 0x10000);
 146         if (!mem) {
 147                 printk(KERN_ERR "PCI: ioremap error for device %s\n",
 148                        pci_name(dev));
 149                 return;
 150         }
 151
 152         printk(KERN_INFO "PCI: fixup device %s\n", pci_name(dev));
 153
 154         pci_read_config_dword(dev, PCI_BASE_ADDRESS_0, &bar0);
 155
 156         /* Setup the PCI device to allow access to the internal registers */
 157         pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, AR71XX_PCI_MEM_BASE);
 158         pci_read_config_word(dev, PCI_COMMAND, &cmd);
 159         cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
 160         pci_write_config_word(dev, PCI_COMMAND, cmd);
 161
 162         /* set pointer to first reg address */
 163         cal_data += 3;
 164         while (*cal_data != 0xffff) {
 165                 u32 reg;
 166                 reg = *cal_data++;
 167                 val = *cal_data++;
 168                 val |= (*cal_data++) << 16;
 169
 170                 __raw_writel(val, mem + reg);
 171                 udelay(100);
 172         }
 173
 174         pci_read_config_dword(dev, PCI_VENDOR_ID, &val);
 175         dev->vendor = val & 0xffff;
 176         dev->device = (val >> 16) & 0xffff;
 177
 178         pci_read_config_dword(dev, PCI_CLASS_REVISION, &val);
 179         dev->revision = val & 0xff;
 180         dev->class = val >> 8; /* upper 3 bytes */
 181
 182         pci_read_config_word(dev, PCI_COMMAND, &cmd);
 183         cmd &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
 184         pci_write_config_word(dev, PCI_COMMAND, cmd);
 185
 186         pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, bar0);
 187
 188         iounmap(mem);
 189 }
 190 DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID,
 191                         wndr3700_pci_fixup);
 192
 193 static int wndr3700_pci_plat_dev_init(struct pci_dev *dev)
 194 {
 195         switch (PCI_SLOT(dev->devfn)) {
 196         case 17:
 197                 dev->dev.platform_data = &wndr3700_wmac0_data;
 198                 break;
 199         case 18:
 200                 dev->dev.platform_data = &wndr3700_wmac1_data;
 201                 break;
 202         }
 203
 204         return 0;
 205 }
 206
 207 static void __init wndr3700_pci_init(void)
 208 {
 209         u8 *ee = (u8 *) KSEG1ADDR(0x1fff0000);
 210
 211         memcpy(wndr3700_wmac0_data.eeprom_data, ee + 0x1000,
 212                sizeof(wndr3700_wmac0_data.eeprom_data));
 213         memcpy(wndr3700_wmac0_macaddr, ee, sizeof(wndr3700_wmac0_macaddr));
 214         wndr3700_wmac0_data.macaddr = wndr3700_wmac0_macaddr;
 215
 216         memcpy(wndr3700_wmac1_data.eeprom_data, ee + 0x5000,
 217                sizeof(wndr3700_wmac1_data.eeprom_data));
 218         memcpy(wndr3700_wmac1_macaddr, ee + 12, sizeof(wndr3700_wmac1_macaddr));
 219         wndr3700_wmac1_data.macaddr = wndr3700_wmac1_macaddr;
 220
 221         ar71xx_pci_plat_dev_init = wndr3700_pci_plat_dev_init;
 222         ar71xx_pci_init(ARRAY_SIZE(wndr3700_pci_irqs), wndr3700_pci_irqs);
 223 }
 224 #else
 225 static inline void wndr3700_pci_init(void) { };
 226 #endif /* CONFIG_PCI */
 227
 228 static struct gpio_led wndr3700_leds_gpio[] __initdata = {
 229         {
 230                 .name           = "wndr3700:green:power",
 231                 .gpio           = WNDR3700_GPIO_LED_POWER_GREEN,
 232                 .active_low     = 1,
 233         }, {
 234                 .name           = "wndr3700:orange:power",
 235                 .gpio           = WNDR3700_GPIO_LED_POWER_ORANGE,
 236                 .active_low     = 1,
 237         }, {
 238                 .name           = "wndr3700:green:wps",
 239                 .gpio           = WNDR3700_GPIO_LED_WPS_GREEN,
 240                 .active_low     = 1,
 241         }, {
 242                 .name           = "wndr3700:orange:wps",
 243                 .gpio           = WNDR3700_GPIO_LED_WPS_ORANGE,
 244                 .active_low     = 1,
 245         }
 246 };
 247
 248 static struct gpio_button wndr3700_gpio_buttons[] __initdata = {
 249         {
 250                 .desc           = "reset",
 251                 .type           = EV_KEY,
 252                 .code           = BTN_0,
 253                 .threshold      = 5,
 254                 .gpio           = WNDR3700_GPIO_BTN_RESET,
 255         }, {
 256                 .desc           = "wps",
 257                 .type           = EV_KEY,
 258                 .code           = BTN_1,
 259                 .threshold      = 5,
 260                 .gpio           = WNDR3700_GPIO_BTN_WPS,
 261         } , {
 262                 .desc           = "wifi",
 263                 .type           = EV_KEY,
 264                 .code           = BTN_2,
 265                 .threshold      = 5,
 266                 .gpio           = WNDR3700_GPIO_BTN_WIFI,
 267         }
 268 };
 269
 270 static struct rtl8366_smi_platform_data wndr3700_rtl8366_smi_data = {
 271         .gpio_sda        = WNDR3700_GPIO_RTL8366_SDA,
 272         .gpio_sck        = WNDR3700_GPIO_RTL8366_SCK,
 273 };
 274
 275 static struct platform_device wndr3700_rtl8366_smi_device = {
 276         .name           = "rtl8366-smi",
 277         .id             = -1,
 278         .dev = {
 279                 .platform_data  = &wndr3700_rtl8366_smi_data,
 280         }
 281 };
 282
 283 static void __init wndr3700_setup(void)
 284 {
 285         u8 *mac = (u8 *) KSEG1ADDR(0x1fff0000);
 286
 287         ar71xx_set_mac_base(mac);
 288
 289         ar71xx_eth0_pll_data.pll_1000 = 0x11110000;
 290         ar71xx_eth0_data.mii_bus_dev = &wndr3700_rtl8366_smi_device.dev;
 291         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 292         ar71xx_eth0_data.phy_mask = 0xf;
 293         ar71xx_eth0_data.speed = SPEED_1000;
 294         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 295
 296         ar71xx_eth1_pll_data.pll_1000 = 0x11110000;
 297         ar71xx_eth1_data.mii_bus_dev = &wndr3700_rtl8366_smi_device.dev;
 298         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 299         ar71xx_eth1_data.phy_mask = 0x10;
 300
 301         ar71xx_add_device_eth(0);
 302         ar71xx_add_device_eth(1);
 303
 304         ar71xx_add_device_usb();
 305
 306         ar71xx_add_device_m25p80(&wndr3700_flash_data);
 307
 308         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wndr3700_leds_gpio),
 309                                     wndr3700_leds_gpio);
 310
 311         ar71xx_add_device_gpio_buttons(-1, WNDR3700_BUTTONS_POLL_INTERVAL,
 312                                       ARRAY_SIZE(wndr3700_gpio_buttons),
 313                                       wndr3700_gpio_buttons);
 314
 315         platform_device_register(&wndr3700_rtl8366_smi_device);
 316         platform_device_register_simple("wndr3700-led-usb", -1, NULL, 0);
 317         wndr3700_pci_init();
 318 }
 319
 320 MIPS_MACHINE(AR71XX_MACH_WNDR3700, "NETGEAR WNDR3700", wndr3700_setup);