arch/arm/mach-kirkwood/d2net_v2-setup.c

   1 /*
   2  * arch/arm/mach-kirkwood/d2net_v2-setup.c
   3  *
   4  * LaCie d2 Network Space v2 Board Setup
   5  *
   6  * Copyright (C) 2010 Simon Guinot <sguinot@lacie.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include <linux/kernel.h>
  24 #include <linux/init.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/mtd/physmap.h>
  27 #include <linux/spi/flash.h>
  28 #include <linux/spi/spi.h>
  29 #include <linux/ata_platform.h>
  30 #include <linux/mv643xx_eth.h>
  31 #include <linux/i2c.h>
  32 #include <linux/i2c/at24.h>
  33 #include <linux/input.h>
  34 #include <linux/gpio.h>
  35 #include <linux/gpio_keys.h>
  36 #include <linux/leds.h>
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/time.h>
  40 #include <mach/kirkwood.h>
  41 #include <mach/leds-ns2.h>
  42 #include <plat/time.h>
  43 #include "common.h"
  44 #include "mpp.h"
  45
  46 /*****************************************************************************
  47  * 512KB SPI Flash on Boot Device
  48  ****************************************************************************/
  49
  50 static struct mtd_partition d2net_v2_flash_parts[] = {
  51         {
  52                 .name = "u-boot",
  53                 .size = MTDPART_SIZ_FULL,
  54                 .offset = 0,
  55                 .mask_flags = MTD_WRITEABLE,
  56         },
  57 };
  58
  59 static const struct flash_platform_data d2net_v2_flash = {
  60         .type           = "mx25l4005a",
  61         .name           = "spi_flash",
  62         .parts          = d2net_v2_flash_parts,
  63         .nr_parts       = ARRAY_SIZE(d2net_v2_flash_parts),
  64 };
  65
  66 static struct spi_board_info __initdata d2net_v2_spi_slave_info[] = {
  67         {
  68                 .modalias       = "m25p80",
  69                 .platform_data  = &d2net_v2_flash,
  70                 .irq            = -1,
  71                 .max_speed_hz   = 20000000,
  72                 .bus_num        = 0,
  73                 .chip_select    = 0,
  74         },
  75 };
  76
  77 /*****************************************************************************
  78  * Ethernet
  79  ****************************************************************************/
  80
  81 static struct mv643xx_eth_platform_data d2net_v2_ge00_data = {
  82         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  83 };
  84
  85 /*****************************************************************************
  86  * I2C devices
  87  ****************************************************************************/
  88
  89 static struct at24_platform_data at24c04 = {
  90         .byte_len       = SZ_4K / 8,
  91         .page_size      = 16,
  92 };
  93
  94 /*
  95  * i2c addr | chip         | description
  96  * 0x50     | HT24LC04     | eeprom (512B)
  97  */
  98
  99 static struct i2c_board_info __initdata d2net_v2_i2c_info[] = {
 100         {
 101                 I2C_BOARD_INFO("24c04", 0x50),
 102                 .platform_data  = &at24c04,
 103         }
 104 };
 105
 106 /*****************************************************************************
 107  * SATA
 108  ****************************************************************************/
 109
 110 static struct mv_sata_platform_data d2net_v2_sata_data = {
 111         .n_ports        = 2,
 112 };
 113
 114 #define D2NET_V2_GPIO_SATA0_POWER       16
 115
 116 static void __init d2net_v2_sata_power_init(void)
 117 {
 118         int err;
 119
 120         err = gpio_request(D2NET_V2_GPIO_SATA0_POWER, "SATA0 power");
 121         if (err == 0) {
 122                 err = gpio_direction_output(D2NET_V2_GPIO_SATA0_POWER, 1);
 123                 if (err)
 124                         gpio_free(D2NET_V2_GPIO_SATA0_POWER);
 125         }
 126         if (err)
 127                 pr_err("d2net_v2: failed to configure SATA0 power GPIO\n");
 128 }
 129
 130 /*****************************************************************************
 131  * GPIO keys
 132  ****************************************************************************/
 133
 134 #define D2NET_V2_GPIO_PUSH_BUTTON          34
 135 #define D2NET_V2_GPIO_POWER_SWITCH_ON      13
 136 #define D2NET_V2_GPIO_POWER_SWITCH_OFF     15
 137
 138 #define D2NET_V2_SWITCH_POWER_ON           0x1
 139 #define D2NET_V2_SWITCH_POWER_OFF          0x2
 140
 141 static struct gpio_keys_button d2net_v2_buttons[] = {
 142         [0] = {
 143                 .type           = EV_SW,
 144                 .code           = D2NET_V2_SWITCH_POWER_ON,
 145                 .gpio           = D2NET_V2_GPIO_POWER_SWITCH_ON,
 146                 .desc           = "Back power switch (on|auto)",
 147                 .active_low     = 0,
 148         },
 149         [1] = {
 150                 .type           = EV_SW,
 151                 .code           = D2NET_V2_SWITCH_POWER_OFF,
 152                 .gpio           = D2NET_V2_GPIO_POWER_SWITCH_OFF,
 153                 .desc           = "Back power switch (auto|off)",
 154                 .active_low     = 0,
 155         },
 156         [2] = {
 157                 .code           = KEY_POWER,
 158                 .gpio           = D2NET_V2_GPIO_PUSH_BUTTON,
 159                 .desc           = "Front Push Button",
 160                 .active_low     = 1,
 161         },
 162 };
 163
 164 static struct gpio_keys_platform_data d2net_v2_button_data = {
 165         .buttons        = d2net_v2_buttons,
 166         .nbuttons       = ARRAY_SIZE(d2net_v2_buttons),
 167 };
 168
 169 static struct platform_device d2net_v2_gpio_buttons = {
 170         .name           = "gpio-keys",
 171         .id             = -1,
 172         .dev            = {
 173                 .platform_data  = &d2net_v2_button_data,
 174         },
 175 };
 176
 177 /*****************************************************************************
 178  * GPIO LEDs
 179  ****************************************************************************/
 180
 181 #define D2NET_V2_GPIO_RED_LED           12
 182
 183 static struct gpio_led d2net_v2_gpio_led_pins[] = {
 184         {
 185                 .name   = "d2net_v2:red:fail",
 186                 .gpio   = D2NET_V2_GPIO_RED_LED,
 187         },
 188 };
 189
 190 static struct gpio_led_platform_data d2net_v2_gpio_leds_data = {
 191         .num_leds       = ARRAY_SIZE(d2net_v2_gpio_led_pins),
 192         .leds           = d2net_v2_gpio_led_pins,
 193 };
 194
 195 static struct platform_device d2net_v2_gpio_leds = {
 196         .name           = "leds-gpio",
 197         .id             = -1,
 198         .dev            = {
 199                 .platform_data  = &d2net_v2_gpio_leds_data,
 200         },
 201 };
 202
 203 /*****************************************************************************
 204  * Dual-GPIO CPLD LEDs
 205  ****************************************************************************/
 206
 207 #define D2NET_V2_GPIO_BLUE_LED_SLOW     29
 208 #define D2NET_V2_GPIO_BLUE_LED_CMD      30
 209
 210 static struct ns2_led d2net_v2_led_pins[] = {
 211         {
 212                 .name   = "d2net_v2:blue:sata",
 213                 .cmd    = D2NET_V2_GPIO_BLUE_LED_CMD,
 214                 .slow   = D2NET_V2_GPIO_BLUE_LED_SLOW,
 215         },
 216 };
 217
 218 static struct ns2_led_platform_data d2net_v2_leds_data = {
 219         .num_leds       = ARRAY_SIZE(d2net_v2_led_pins),
 220         .leds           = d2net_v2_led_pins,
 221 };
 222
 223 static struct platform_device d2net_v2_leds = {
 224         .name           = "leds-ns2",
 225         .id             = -1,
 226         .dev            = {
 227                 .platform_data  = &d2net_v2_leds_data,
 228         },
 229 };
 230
 231 /*****************************************************************************
 232  * Timer
 233  ****************************************************************************/
 234
 235 static void d2net_v2_timer_init(void)
 236 {
 237         kirkwood_tclk = 166666667;
 238         orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
 239 }
 240
 241 struct sys_timer d2net_v2_timer = {
 242         .init = d2net_v2_timer_init,
 243 };
 244
 245 /*****************************************************************************
 246  * General Setup
 247  ****************************************************************************/
 248
 249 static unsigned int d2net_v2_mpp_config[] __initdata = {
 250         MPP0_SPI_SCn,
 251         MPP1_SPI_MOSI,
 252         MPP2_SPI_SCK,
 253         MPP3_SPI_MISO,
 254         MPP6_SYSRST_OUTn,
 255         MPP7_GPO,               /* Request power-off */
 256         MPP8_TW0_SDA,
 257         MPP9_TW0_SCK,
 258         MPP10_UART0_TXD,
 259         MPP11_UART0_RXD,
 260         MPP12_GPO,              /* Red led */
 261         MPP13_GPIO,             /* Rear power switch (on|auto) */
 262         MPP14_GPIO,             /* USB fuse */
 263         MPP15_GPIO,             /* Rear power switch (auto|off) */
 264         MPP16_GPIO,             /* SATA 0 power */
 265         MPP21_SATA0_ACTn,
 266         MPP24_GPIO,             /* USB mode select */
 267         MPP26_GPIO,             /* USB device vbus */
 268         MPP28_GPIO,             /* USB enable host vbus */
 269         MPP29_GPIO,             /* Blue led (slow register) */
 270         MPP30_GPIO,             /* Blue led (command register) */
 271         MPP34_GPIO,             /* Power button (1 = Released, 0 = Pushed) */
 272         MPP35_GPIO,             /* Inhibit power-off */
 273         0
 274 };
 275
 276 #define D2NET_V2_GPIO_POWER_OFF         7
 277
 278 static void d2net_v2_power_off(void)
 279 {
 280         gpio_set_value(D2NET_V2_GPIO_POWER_OFF, 1);
 281 }
 282
 283 static void __init d2net_v2_init(void)
 284 {
 285         /*
 286          * Basic setup. Needs to be called early.
 287          */
 288         kirkwood_init();
 289         kirkwood_mpp_conf(d2net_v2_mpp_config);
 290
 291         d2net_v2_sata_power_init();
 292
 293         kirkwood_ehci_init();
 294         kirkwood_ge00_init(&d2net_v2_ge00_data);
 295         kirkwood_sata_init(&d2net_v2_sata_data);
 296         kirkwood_uart0_init();
 297         spi_register_board_info(d2net_v2_spi_slave_info,
 298                                 ARRAY_SIZE(d2net_v2_spi_slave_info));
 299         kirkwood_spi_init();
 300         kirkwood_i2c_init();
 301         i2c_register_board_info(0, d2net_v2_i2c_info,
 302                                 ARRAY_SIZE(d2net_v2_i2c_info));
 303
 304         platform_device_register(&d2net_v2_leds);
 305         platform_device_register(&d2net_v2_gpio_leds);
 306         platform_device_register(&d2net_v2_gpio_buttons);
 307
 308         if (gpio_request(D2NET_V2_GPIO_POWER_OFF, "power-off") == 0 &&
 309             gpio_direction_output(D2NET_V2_GPIO_POWER_OFF, 0) == 0)
 310                 pm_power_off = d2net_v2_power_off;
 311         else
 312                 pr_err("d2net_v2: failed to configure power-off GPIO\n");
 313 }
 314
 315 MACHINE_START(D2NET_V2, "LaCie d2 Network v2")
 316         .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
 317         .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
 318         .boot_params    = 0x00000100,
 319         .init_machine   = d2net_v2_init,
 320         .map_io         = kirkwood_map_io,
 321         .init_irq       = kirkwood_init_irq,
 322         .timer          = &d2net_v2_timer,
 323 MACHINE_END