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 #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           = BTN_0,
  46                 .threshold      = 5,
  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   = 1,
  60                 .pin    = 1,
  61                 .irq    = AR71XX_PCI_IRQ_DEV0,
  62         }, {
  63                 .slot   = 1,
  64                 .pin    = 2,
  65                 .irq    = AR71XX_PCI_IRQ_DEV1,
  66         }, {
  67                 .slot   = 2,
  68                 .pin    = 1,
  69                 .irq    = AR71XX_PCI_IRQ_DEV1,
  70         }, {
  71                 .slot   = 3,
  72                 .pin    = 1,
  73                 .irq    = AR71XX_PCI_IRQ_DEV2,
  74         }
  75 };
  76
  77 #if 0
  78 /*
  79  * SPI device support is experimental
  80  */
  81 static struct flash_platform_data rb4xx_flash_data = {
  82         .type   = "pm25lv512",
  83 };
  84
  85 static struct spi_board_info rb4xx_spi_info[] = {
  86         {
  87                 .bus_num        = 0,
  88                 .chip_select    = 0,
  89                 .max_speed_hz   = 25000000,
  90                 .modalias       = "m25p80",
  91                 .platform_data  = &rb4xx_flash_data,
  92         }
  93 };
  94
  95 static struct mmc_spi_platform_data rb433_mmc_data = {
  96         .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
  97 };
  98
  99 static struct spi_board_info rb433_spi_info[] = {
 100         {
 101                 .bus_num        = 0,
 102                 .chip_select    = 0,
 103                 .max_speed_hz   = 25000000,
 104                 .modalias       = "m25p80",
 105                 .platform_data  = &rb433_flash_data,
 106         }, {
 107                 .bus_num        = 0,
 108                 .chip_select    = 2,
 109                 .max_speed_hz   = 25000000,
 110                 .modalias       = "mmc_spi",
 111                 .platform_data  = &rb433_mmc_data,
 112         }
 113 };
 114
 115 static u32 rb433_spi_get_ioc_base(u8 chip_select, int cs_high, int is_on)
 116 {
 117         u32 ret;
 118
 119         if (is_on == AR71XX_SPI_CS_INACTIVE) {
 120                 ret = SPI_IOC_CS0 | SPI_IOC_CS1;
 121         } else {
 122                 if (cs_high) {
 123                         ret = SPI_IOC_CS0 | SPI_IOC_CS1;
 124                 } else {
 125                         if ((chip_select ^ 2) == 0)
 126                                 ret = SPI_IOC_CS1 ^ (SPI_IOC_CS0 | SPI_IOC_CS1);
 127                         else
 128                                 ret = SPI_IOC_CS0 ^ (SPI_IOC_CS0 | SPI_IOC_CS1);
 129                 }
 130         }
 131
 132         return ret;
 133 }
 134
 135 struct ar71xx_spi_platform_data rb433_spi_data = {
 136         .bus_num                = 0,
 137         .num_chipselect         = 3,
 138         .get_ioc_base           = rb433_spi_get_ioc_base,
 139 };
 140
 141 static void rb4xx_add_device_spi(void)
 142 {
 143         ar71xx_add_device_spi(NULL, rb4xx_spi_info, ARRAY_SIZE(rb4xx_spi_info));
 144 }
 145
 146 static void rb433_add_device_spi(void)
 147 {
 148         ar71xx_add_device_spi(&rb433_spi_data, rb433_spi_info,
 149                                 ARRAY_SIZE(rb433_spi_info));
 150 }
 151 #else
 152 static inline void rb4xx_add_device_spi(void) {}
 153 static inline void rb433_add_device_spi(void) {}
 154 #endif
 155
 156 static void __init rb4xx_generic_setup(void)
 157 {
 158         ar71xx_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
 159                                     AR71XX_GPIO_FUNC_SPI_CS2_EN);
 160
 161         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
 162                                         rb4xx_leds_gpio);
 163
 164         ar71xx_add_device_gpio_buttons(-1, RB4XX_BUTTONS_POLL_INTERVAL,
 165                                         ARRAY_SIZE(rb4xx_gpio_buttons),
 166                                         rb4xx_gpio_buttons);
 167
 168         platform_device_register(&rb4xx_nand_device);
 169 }
 170
 171 static void __init rb411_setup(void)
 172 {
 173         rb4xx_generic_setup();
 174         rb4xx_add_device_spi();
 175
 176         ar71xx_add_device_mdio(0xfffffffe);
 177
 178         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 179         ar71xx_eth0_data.phy_mask = 0x00000001;
 180
 181         ar71xx_add_device_eth(0);
 182
 183         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 184 }
 185
 186 MIPS_MACHINE(AR71XX_MACH_RB_411, "MikroTik RouterBOARD 411/A/AH", rb411_setup);
 187
 188 static void __init rb411u_setup(void)
 189 {
 190         rb4xx_generic_setup();
 191         rb4xx_add_device_spi();
 192
 193         ar71xx_add_device_mdio(0xfffffffd);
 194
 195         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 196         ar71xx_eth0_data.phy_mask = 0x00000002;
 197         ar71xx_add_device_eth(0);
 198
 199         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 200         ar71xx_add_device_usb();
 201 }
 202
 203 MIPS_MACHINE(AR71XX_MACH_RB_411U, "MikroTik RouterBOARD 411U", rb411u_setup);
 204
 205 static void __init rb433_setup(void)
 206 {
 207         rb4xx_generic_setup();
 208         rb433_add_device_spi();
 209
 210         ar71xx_add_device_mdio(0xffffffe9);
 211
 212         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 213         ar71xx_eth0_data.phy_mask = 0x00000006;
 214         ar71xx_eth0_data.speed = SPEED_100;
 215         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 216
 217         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 218         ar71xx_eth1_data.phy_mask = 0x00000010;
 219
 220         ar71xx_add_device_eth(1);
 221         ar71xx_add_device_eth(0);
 222
 223         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 224 }
 225
 226 MIPS_MACHINE(AR71XX_MACH_RB_433, "MikroTik RouterBOARD 433/AH", 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, "MikroTik RouterBOARD 433UAH", rb433u_setup);
 235
 236 static void __init rb450_generic_setup(int gige)
 237 {
 238         rb4xx_generic_setup();
 239         rb4xx_add_device_spi();
 240
 241         ar71xx_add_device_mdio(0xffffffe0);
 242
 243         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 244         ar71xx_eth0_data.phy_mask = 0x0000000f;
 245         ar71xx_eth0_data.speed = (gige) ? SPEED_1000 : SPEED_100;
 246         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 247
 248         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 249         ar71xx_eth1_data.phy_mask = 0x00000010;
 250
 251         ar71xx_add_device_eth(1);
 252         ar71xx_add_device_eth(0);
 253 }
 254
 255 static void __init rb450_setup(void)
 256 {
 257         rb450_generic_setup(0);
 258 }
 259
 260 MIPS_MACHINE(AR71XX_MACH_RB_450, "MikroTik RouterBOARD 450", rb450_setup);
 261
 262 static void __init rb450g_setup(void)
 263 {
 264         rb450_generic_setup(1);
 265 }
 266
 267 MIPS_MACHINE(AR71XX_MACH_RB_450G, "MikroTik RouterBOARD 450G", rb450g_setup);
 268
 269 static void __init rb493_setup(void)
 270 {
 271         rb4xx_generic_setup();
 272         rb4xx_add_device_spi();
 273
 274         ar71xx_add_device_mdio(0x3fffff00);
 275
 276         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 277         ar71xx_eth0_data.phy_mask = 0;
 278         ar71xx_eth0_data.speed = SPEED_100;
 279         ar71xx_eth0_data.duplex = DUPLEX_FULL;
 280
 281         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
 282         ar71xx_eth1_data.phy_mask = 0x00000001;
 283
 284         ar71xx_add_device_eth(0);
 285         ar71xx_add_device_eth(1);
 286
 287         ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
 288 }
 289
 290 MIPS_MACHINE(AR71XX_MACH_RB_493, "MikroTik RouterBOARD 493/AH", rb493_setup);