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

   1 /*
   2  * arch/arm/mach-kirkwood/dockstar-setup.c
   3  *
   4  * Seagate FreeAgent DockStar Setup
   5  *
   6  * This file is licensed under the terms of the GNU General Public
   7  * License version 2.  This program is licensed "as is" without any
   8  * warranty of any kind, whether express or implied.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/ata_platform.h>
  15 #include <linux/mtd/partitions.h>
  16 #include <linux/mv643xx_eth.h>
  17 #include <linux/gpio.h>
  18 #include <linux/leds.h>
  19 #include <asm/mach-types.h>
  20 #include <asm/mach/arch.h>
  21 #include <mach/kirkwood.h>
  22 #include "common.h"
  23 #include "mpp.h"
  24
  25 static struct mtd_partition dockstar_nand_parts[] = {
  26         {
  27                 .name = "u-boot",
  28                 .offset = 0,
  29                 .size = SZ_1M
  30         }, {
  31                 .name = "uImage",
  32                 .offset = MTDPART_OFS_NXTBLK,
  33                 .size = SZ_4M
  34         }, {
  35                 .name = "root",
  36                 .offset = MTDPART_OFS_NXTBLK,
  37                 .size = MTDPART_SIZ_FULL
  38         },
  39 };
  40
  41 static struct mv643xx_eth_platform_data dockstar_ge00_data = {
  42         .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
  43 };
  44
  45 static struct gpio_led dockstar_led_pins[] = {
  46         {
  47                 .name                   = "dockstar:green:health",
  48                 .default_trigger        = "default-on",
  49                 .gpio                   = 46,
  50                 .active_low             = 1,
  51         },
  52         {
  53                 .name                   = "dockstar:orange:misc",
  54                 .default_trigger        = "none",
  55                 .gpio                   = 47,
  56                 .active_low             = 1,
  57         },
  58 };
  59
  60 static struct gpio_led_platform_data dockstar_led_data = {
  61         .leds           = dockstar_led_pins,
  62         .num_leds       = ARRAY_SIZE(dockstar_led_pins),
  63 };
  64
  65 static struct platform_device dockstar_leds = {
  66         .name   = "leds-gpio",
  67         .id     = -1,
  68         .dev    = {
  69                 .platform_data  = &dockstar_led_data,
  70         }
  71 };
  72
  73 static unsigned int dockstar_mpp_config[] __initdata = {
  74         MPP29_GPIO,     /* USB Power Enable */
  75         MPP46_GPIO,     /* LED green */
  76         MPP47_GPIO,     /* LED orange */
  77         0
  78 };
  79
  80 static void __init dockstar_init(void)
  81 {
  82         /*
  83          * Basic setup. Needs to be called early.
  84          */
  85         kirkwood_init();
  86
  87         /* setup gpio pin select */
  88         kirkwood_mpp_conf(dockstar_mpp_config);
  89
  90         kirkwood_uart0_init();
  91         kirkwood_nand_init(ARRAY_AND_SIZE(dockstar_nand_parts), 25);
  92
  93         if (gpio_request(29, "USB Power Enable") != 0 ||
  94             gpio_direction_output(29, 1) != 0)
  95                 pr_err("can't set up GPIO 29 (USB Power Enable)\n");
  96         kirkwood_ehci_init();
  97
  98         kirkwood_ge00_init(&dockstar_ge00_data);
  99
 100         platform_device_register(&dockstar_leds);
 101 }
 102
 103 MACHINE_START(DOCKSTAR, "Seagate FreeAgent DockStar")
 104         .atag_offset    = 0x100,
 105         .init_machine   = dockstar_init,
 106         .map_io         = kirkwood_map_io,
 107         .init_early     = kirkwood_init_early,
 108         .init_irq       = kirkwood_init_irq,
 109         .init_time      = kirkwood_timer_init,
 110         .restart        = kirkwood_restart,
 111 MACHINE_END