target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb4xx.c

   1 /*
   2  *  MikroTik RouterBOARD 4xx series support
   3  *
   4  *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2008 Imre Kaloz <kaloz@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/irq.h>
  14 #include <linux/mmc/host.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/flash.h>
  17 #include <linux/spi/mmc_spi.h>
  18
  19 #include <asm/mach-ar71xx/ar71xx.h>
  20 #include <asm/mach-ar71xx/pci.h>
  21
  22 #include "machtype.h"
  23 #include "devices.h"
  24 #include "dev-gpio-buttons.h"
  25 #include "dev-leds-gpio.h"
  26 #include "dev-usb.h"
  27
  28 #define RB4XX_GPIO_USER_LED     4
  29 #define RB4XX_GPIO_RESET_SWITCH 7
  30
  31 #define RB4XX_BUTTONS_POLL_INTERVAL     20
  32
  33 static struct gpio_led rb4xx_leds_gpio[] __initdata = {
  34         {
  35                 .name           = "rb4xx:yellow:user",
  36                 .gpio           = RB4XX_GPIO_USER_LED,
  37                 .active_low     = 0,
  38         },
  39 };
  40
  41 static struct gpio_button rb4xx_gpio_buttons[] __initdata = {
  42         {
  43                 .desc           = "reset_switch",
  44                 .type           = EV_KEY,
  45                 .code           = KEY_RESTART,
  46                 .threshold      = 3,
  47                 .gpio           = RB4XX_GPIO_RESET_SWITCH,
  48                 .active_low     = 1,
  49         }
  50 };
  51
  52 static struct platform_device rb4xx_nand_device = {
  53         .name   = "rb4xx-nand",
  54         .id     = -1,
  55 };
  56
  57 static struct ar71xx_pci_irq rb4xx_pci_irqs[] __initdata = {
  58         {
  59                 .slot   = 0,
  60                 .pin    = 1,
  61                 .irq    = AR71XX_PCI_IRQ_DEV2,
  62         }, {
  63                 .slot   = 1,
  64                 .pin    = 1,
  65                 .irq    = AR71XX_PCI_IRQ_DEV0,
  66         }, {
  67                 .slot   = 1,
  68                 .pin    = 2,
  69                 .irq    = AR71XX_PCI_IRQ_DEV1,
  70         }, {
  71                 .slot   = 2,
  72                 .pin    = 1,
  73                 .irq    = AR71XX_PCI_IRQ_DEV1,
  74         }, {
  75                 .slot   = 3,
  76                 .pin    = 1,
  77                 .irq    = AR71XX_PCI_IRQ_DEV2,
  78         }
  79 };
  80
  81 #if 0
  82 /*
  83  * SPI device support is experimental
  84  */
  85 static struct flash_platform_data rb4xx_flash_data = {
  86         .type   = "pm25lv512",
  87 };
  88
  89 static struct spi_board_info rb4xx_spi_info[] = {
  90         {
  91                 .bus_num        = 0,
  92                 .chip_select    = 0,
  93                 .max_speed_hz   = 25000000,
  94                 .modalias       = "m25p80",
  95                 .platform_data  = &rb4xx_flash_data,
  96         }
  97 };
  98
  99 static struct mmc_spi_platform_data rb433_mmc_data = {
 100         .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
 101 };
 102
 103 static struct spi_board_info rb433_spi_info[] = {
 104         {
 105                 .bus_num        = 0,
 106                 .chip_select    = 0,
 107                 .max_speed_hz   = 25000000,
 108                 .modalias       = "m25p80",
 109                 .platform_data  = &rb433_flash_data,
 110         }, {
 111                 .bus_num        = 0,
 112                 .chip_select    = 2,
 113                 .max_speed_hz   = 25000000,
 114                 .modalias       = "mmc_spi",
 115                 .platform_data  = &rb433_mmc_data,
 116         }
 117 };
 118
 119 static u32 rb433_spi_get_ioc_base(u8 chip_select, int cs_high, int is_on)
 120 {
 121         u32 ret;
 122
 123         if (is_on == AR71XX_SPI_CS_INACTIVE) {
 124                 ret = SPI_IOC_CS0 | SPI_IOC_CS1;
 125         } else {
 126                 if (cs_high) {
 127                         ret = SPI_IOC_CS0 | SPI_IOC_CS1;
 128                 } else {
 129                         if ((chip_select ^ 2) == 0)
 130                                 ret = SPI_IOC_CS1 ^ (SPI_IOC_CS0 | SPI_IOC_CS1);
 131                         else
 132                                 ret = SPI_IOC_CS0 ^ (SPI_IOC_CS0 | SPI_IOC_CS1);
 133                 }
 134         }
 135
 136         return ret;
 137 }
 138
 139 struct ar71xx_spi_platform_data rb433_spi_data = {
 140         .bus_num                = 0,
 141         .num_chipselect         = 3,
 142         .get_ioc_base           = rb433_spi_get_ioc_base,
 143 };
 144
 145 static void rb4xx_add_device_spi(void)
 146 {
 147         ar71xx_add_device_spi(NULL, rb4xx_spi_info, ARRAY_SIZE(rb4xx_spi_info));
 148 }
 149
 150 static void rb433_add_device_spi(void)
 151 {
 152         ar71xx_add_device_spi(&rb433_spi_data, rb433_spi_info,
 153                                 ARRAY_SIZE(rb433_spi_info));
 154 }
 155 #else
 156 static inline void rb4xx_add_device_spi(void) {}
 157 static inline void rb433_add_device_spi(void) {}
 158 #endif
 159
 160 static void __init rb4xx_generic_setup(void)
 161 {
 162         ar71xx_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
 163                                     AR71XX_GPIO_FUNC_SPI_CS2_EN);
 164
 165         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
 166                                         rb4xx_leds_gpio);
 167
 168         ar71xx_add_device_gpio_buttons(-1, RB4XX_BUTTONS_POLL_INTERVAL,
 169                                         ARRAY_SIZE(rb4xx_gpio_buttons),
 170                                         rb4xx_gpio_buttons);
 171
 172         platform_device_register(&rb4xx_nand_device);
 173 }
 174
 175 static void __init rb411_setup(void)
 176 {
 177         rb4xx_generic_setup();
 178         rb4xx_add_device_spi();
 179
 180         ar71xx_add_device_mdio(0xfffffffc);
 181
 182         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 183         ar71xx_eth0_data.phy_mask = 0x00000003;
 184
 185         ar71xx_add_device_eth(0);
 186
 187         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 188 }
 189
 190 MIPS_MACHINE(AR71XX_MACH_RB_411, "411", "MikroTik RouterBOARD 411/A/AH",
 191              rb411_setup);
 192
 193 static void __init rb411u_setup(void)
 194 {
 195         rb411_setup();
 196         ar71xx_add_device_usb();
 197 }
 198
 199 MIPS_MACHINE(AR71XX_MACH_RB_411U, "411U", "MikroTik RouterBOARD 411U",
 200              rb411u_setup);
 201
 202 #define RB433_LAN_PHYMASK       BIT(0)
 203 #define RB433_WAN_PHYMASK       BIT(4)
 204 #define RB433_MDIO_PHYMASK      (RB433_LAN_PHYMASK | RB433_WAN_PHYMASK)
 205
 206 static void __init rb433_setup(void)
 207 {
 208         rb4xx_generic_setup();
 209         rb433_add_device_spi();
 210
 211         ar71xx_add_device_mdio(~RB433_MDIO_PHYMASK);
 212
 213         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 214         ar71xx_eth0_data.phy_mask = RB433_LAN_PHYMASK;
 215
 216         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 217         ar71xx_eth1_data.phy_mask = RB433_WAN_PHYMASK;
 218
 219         ar71xx_add_device_eth(1);
 220         ar71xx_add_device_eth(0);
 221
 222         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 223 }
 224
 225 MIPS_MACHINE(AR71XX_MACH_RB_433, "433", "MikroTik RouterBOARD 433/AH",
 226              rb433_setup);
 227
 228 static void __init rb433u_setup(void)
 229 {
 230         rb433_setup();
 231         ar71xx_add_device_usb();
 232 }
 233
 234 MIPS_MACHINE(AR71XX_MACH_RB_433U, "433U", "MikroTik RouterBOARD 433UAH",
 235              rb433u_setup);
 236
 237 #define RB450_LAN_PHYMASK       BIT(0)
 238 #define RB450_WAN_PHYMASK       BIT(4)
 239 #define RB450_MDIO_PHYMASK      (RB450_LAN_PHYMASK | RB450_WAN_PHYMASK)
 240
 241 static void __init rb450_generic_setup(int gige)
 242 {
 243         rb4xx_generic_setup();
 244         rb4xx_add_device_spi();
 245
 246         ar71xx_add_device_mdio(~RB450_MDIO_PHYMASK);
 247
 248         ar71xx_eth0_data.phy_if_mode = (gige) ? PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_MII;
 249         ar71xx_eth0_data.phy_mask = RB450_LAN_PHYMASK;
 250
 251         ar71xx_eth1_data.phy_if_mode = (gige) ? PHY_INTERFACE_MODE_RGMII : PHY_INTERFACE_MODE_RMII;
 252         ar71xx_eth1_data.phy_mask = RB450_WAN_PHYMASK;
 253
 254         ar71xx_add_device_eth(1);
 255         ar71xx_add_device_eth(0);
 256 }
 257
 258 static void __init rb450_setup(void)
 259 {
 260         rb450_generic_setup(0);
 261 }
 262
 263 MIPS_MACHINE(AR71XX_MACH_RB_450, "450", "MikroTik RouterBOARD 450",
 264              rb450_setup);
 265
 266 static void __init rb450g_setup(void)
 267 {
 268         rb450_generic_setup(1);
 269 }
 270
 271 MIPS_MACHINE(AR71XX_MACH_RB_450G, "450G", "MikroTik RouterBOARD 450G",
 272              rb450g_setup);
 273
 274 static void __init rb493_setup(void)
 275 {
 276         rb4xx_generic_setup();
 277         rb4xx_add_device_spi();
 278
 279         ar71xx_add_device_mdio(0x3fffff00);
 280
 281         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 282         ar71xx_eth0_data.speed = SPEED_100;
 283         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 284
 285         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 286         ar71xx_eth1_data.phy_mask = 0x00000001;
 287
 288         ar71xx_add_device_eth(0);
 289         ar71xx_add_device_eth(1);
 290
 291         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 292 }
 293
 294 MIPS_MACHINE(AR71XX_MACH_RB_493, "493", "MikroTik RouterBOARD 493/AH",
 295              rb493_setup);