target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb-4xx.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/mips_machine.h>
  20 #include <asm/mach-ar71xx/ar71xx.h>
  21 #include <asm/mach-ar71xx/pci.h>
  22
  23 #include "devices.h"
  24 #include "dev-gpio-buttons.h"
  25 #include "dev-leds-gpio.h"
  26
  27 #define RB4XX_GPIO_USER_LED     4
  28 #define RB4XX_GPIO_RESET_SWITCH 7
  29
  30 #define RB4XX_BUTTONS_POLL_INTERVAL     20
  31
  32 static struct gpio_led rb4xx_leds_gpio[] __initdata = {
  33         {
  34                 .name           = "rb4xx:yellow:user",
  35                 .gpio           = RB4XX_GPIO_USER_LED,
  36                 .active_low     = 0,
  37         },
  38 };
  39
  40 static struct gpio_button rb4xx_gpio_buttons[] __initdata = {
  41         {
  42                 .desc           = "reset_switch",
  43                 .type           = EV_KEY,
  44                 .code           = BTN_0,
  45                 .threshold      = 5,
  46                 .gpio           = RB4XX_GPIO_RESET_SWITCH,
  47                 .active_low     = 1,
  48         }
  49 };
  50
  51 static struct platform_device rb4xx_nand_device = {
  52         .name   = "rb4xx-nand",
  53         .id     = -1,
  54 };
  55
  56 static struct ar71xx_pci_irq rb4xx_pci_irqs[] __initdata = {
  57         {
  58                 .slot   = 1,
  59                 .pin    = 1,
  60                 .irq    = AR71XX_PCI_IRQ_DEV0,
  61         }, {
  62                 .slot   = 1,
  63                 .pin    = 2,
  64                 .irq    = AR71XX_PCI_IRQ_DEV1,
  65         }, {
  66                 .slot   = 2,
  67                 .pin    = 1,
  68                 .irq    = AR71XX_PCI_IRQ_DEV1,
  69         }, {
  70                 .slot   = 3,
  71                 .pin    = 1,
  72                 .irq    = AR71XX_PCI_IRQ_DEV2,
  73         }
  74 };
  75
  76 #if 0
  77 /*
  78  * SPI device support is experimental
  79  */
  80 static struct flash_platform_data rb4xx_flash_data = {
  81         .type   = "pm25lv512",
  82 };
  83
  84 static struct spi_board_info rb4xx_spi_info[] = {
  85         {
  86                 .bus_num        = 0,
  87                 .chip_select    = 0,
  88                 .max_speed_hz   = 25000000,
  89                 .modalias       = "m25p80",
  90                 .platform_data  = &rb4xx_flash_data,
  91         }
  92 };
  93
  94 static struct mmc_spi_platform_data rb433_mmc_data = {
  95         .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
  96 };
  97
  98 static struct spi_board_info rb433_spi_info[] = {
  99         {
 100                 .bus_num        = 0,
 101                 .chip_select    = 0,
 102                 .max_speed_hz   = 25000000,
 103                 .modalias       = "m25p80",
 104                 .platform_data  = &rb433_flash_data,
 105         }, {
 106                 .bus_num        = 0,
 107                 .chip_select    = 2,
 108                 .max_speed_hz   = 25000000,
 109                 .modalias       = "mmc_spi",
 110                 .platform_data  = &rb433_mmc_data,
 111         }
 112 };
 113
 114 static u32 rb433_spi_get_ioc_base(u8 chip_select, int cs_high, int is_on)
 115 {
 116         u32 ret;
 117
 118         if (is_on == AR71XX_SPI_CS_INACTIVE) {
 119                 ret = SPI_IOC_CS0 | SPI_IOC_CS1;
 120         } else {
 121                 if (cs_high) {
 122                         ret = SPI_IOC_CS0 | SPI_IOC_CS1;
 123                 } else {
 124                         if ((chip_select ^ 2) == 0)
 125                                 ret = SPI_IOC_CS1 ^ (SPI_IOC_CS0 | SPI_IOC_CS1);
 126                         else
 127                                 ret = SPI_IOC_CS0 ^ (SPI_IOC_CS0 | SPI_IOC_CS1);
 128                 }
 129         }
 130
 131         return ret;
 132 }
 133
 134 struct ar71xx_spi_platform_data rb433_spi_data = {
 135         .bus_num                = 0,
 136         .num_chipselect         = 3,
 137         .get_ioc_base           = rb433_spi_get_ioc_base,
 138 };
 139
 140 static void rb4xx_add_device_spi(void)
 141 {
 142         ar71xx_add_device_spi(NULL, rb4xx_spi_info, ARRAY_SIZE(rb4xx_spi_info));
 143 }
 144
 145 static void rb433_add_device_spi(void)
 146 {
 147         ar71xx_add_device_spi(&rb433_spi_data, rb433_spi_info,
 148                                 ARRAY_SIZE(rb433_spi_info));
 149 }
 150 #else
 151 static inline void rb4xx_add_device_spi(void) {}
 152 static inline void rb433_add_device_spi(void) {}
 153 #endif
 154
 155 static void __init rb4xx_generic_setup(void)
 156 {
 157         ar71xx_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
 158                                     AR71XX_GPIO_FUNC_SPI_CS2_EN);
 159
 160         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
 161                                         rb4xx_leds_gpio);
 162
 163         ar71xx_add_device_gpio_buttons(-1, RB4XX_BUTTONS_POLL_INTERVAL,
 164                                         ARRAY_SIZE(rb4xx_gpio_buttons),
 165                                         rb4xx_gpio_buttons);
 166
 167         platform_device_register(&rb4xx_nand_device);
 168 }
 169
 170 static void __init rb411_setup(void)
 171 {
 172         rb4xx_generic_setup();
 173         rb4xx_add_device_spi();
 174
 175         ar71xx_add_device_mdio(0xfffffffe);
 176
 177         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 178         ar71xx_eth0_data.phy_mask = 0x00000001;
 179
 180         ar71xx_add_device_eth(0);
 181
 182         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 183 }
 184
 185 MIPS_MACHINE(AR71XX_MACH_RB_411, "MikroTik RouterBOARD 411/A/AH", rb411_setup);
 186
 187 static void __init rb411u_setup(void)
 188 {
 189         rb4xx_generic_setup();
 190         rb4xx_add_device_spi();
 191
 192         ar71xx_add_device_mdio(0xfffffffd);
 193
 194         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 195         ar71xx_eth0_data.phy_mask = 0x00000002;
 196         ar71xx_add_device_eth(0);
 197
 198         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 199         ar71xx_add_device_usb();
 200 }
 201
 202 MIPS_MACHINE(AR71XX_MACH_RB_411U, "MikroTik RouterBOARD 411U", rb411u_setup);
 203
 204 static void __init rb433_setup(void)
 205 {
 206         rb4xx_generic_setup();
 207         rb433_add_device_spi();
 208
 209         ar71xx_add_device_mdio(0xffffffe9);
 210
 211         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 212         ar71xx_eth0_data.phy_mask = 0x00000006;
 213         ar71xx_eth0_data.speed = SPEED_100;
 214         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 215
 216         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 217         ar71xx_eth1_data.phy_mask = 0x00000010;
 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, "MikroTik RouterBOARD 433/AH", rb433_setup);
 226
 227 static void __init rb433u_setup(void)
 228 {
 229         rb433_setup();
 230         ar71xx_add_device_usb();
 231 }
 232
 233 MIPS_MACHINE(AR71XX_MACH_RB_433U, "MikroTik RouterBOARD 433UAH", rb433u_setup);
 234
 235 static void __init rb450_generic_setup(int gige)
 236 {
 237         rb4xx_generic_setup();
 238         rb4xx_add_device_spi();
 239
 240         ar71xx_add_device_mdio(0xffffffe0);
 241
 242         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 243         ar71xx_eth0_data.phy_mask = 0x0000000f;
 244         ar71xx_eth0_data.speed = (gige) ? SPEED_1000 : SPEED_100;
 245         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 246
 247         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 248         ar71xx_eth1_data.phy_mask = 0x00000010;
 249
 250         ar71xx_add_device_eth(1);
 251         ar71xx_add_device_eth(0);
 252 }
 253
 254 static void __init rb450_setup(void)
 255 {
 256         rb450_generic_setup(0);
 257 }
 258
 259 MIPS_MACHINE(AR71XX_MACH_RB_450, "MikroTik RouterBOARD 450", rb450_setup);
 260
 261 static void __init rb450g_setup(void)
 262 {
 263         rb450_generic_setup(1);
 264 }
 265
 266 MIPS_MACHINE(AR71XX_MACH_RB_450G, "MikroTik RouterBOARD 450G", rb450g_setup);
 267
 268 static void __init rb493_setup(void)
 269 {
 270         rb4xx_generic_setup();
 271         rb4xx_add_device_spi();
 272
 273         ar71xx_add_device_mdio(0x3fffff00);
 274
 275         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 276         ar71xx_eth0_data.phy_mask = 0;
 277         ar71xx_eth0_data.speed = SPEED_100;
 278         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 279
 280         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 281         ar71xx_eth1_data.phy_mask = 0x00000001;
 282
 283         ar71xx_add_device_eth(0);
 284         ar71xx_add_device_eth(1);
 285
 286         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 287 }
 288
 289 MIPS_MACHINE(AR71XX_MACH_RB_493, "MikroTik RouterBOARD 493/AH", rb493_setup);