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 <plat/mvsdio.h>
  23 #include "common.h"
  24 #include "mpp.h"
  25
  26 static struct mtd_partition dockstar_nand_parts[] = {
  27         {
  28                 .name = "u-boot",
  29                 .offset = 0,
  30                 .size = SZ_1M
  31         }, {
  32                 .name = "uImage",
  33                 .offset = MTDPART_OFS_NXTBLK,
  34                 .size = SZ_4M
  35         }, {
  36                 .name = "root",
  37                 .offset = MTDPART_OFS_NXTBLK,
  38                 .size = MTDPART_SIZ_FULL
  39         },
  40 };
  41
  42 static struct mv643xx_eth_platform_data dockstar_ge00_data = {
  43         .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
  44 };
  45
  46 static struct gpio_led dockstar_led_pins[] = {
  47         {
  48                 .name                   = "dockstar:green:health",
  49                 .default_trigger        = "default-on",
  50                 .gpio                   = 46,
  51                 .active_low             = 1,
  52         },
  53         {
  54                 .name                   = "dockstar:orange:misc",
  55                 .default_trigger        = "none",
  56                 .gpio                   = 47,
  57                 .active_low             = 1,
  58         },
  59 };
  60
  61 static struct gpio_led_platform_data dockstar_led_data = {
  62         .leds           = dockstar_led_pins,
  63         .num_leds       = ARRAY_SIZE(dockstar_led_pins),
  64 };
  65
  66 static struct platform_device dockstar_leds = {
  67         .name   = "leds-gpio",
  68         .id     = -1,
  69         .dev    = {
  70                 .platform_data  = &dockstar_led_data,
  71         }
  72 };
  73
  74 static unsigned int dockstar_mpp_config[] __initdata = {
  75         MPP29_GPIO,     /* USB Power Enable */
  76         MPP46_GPIO,     /* LED green */
  77         MPP47_GPIO,     /* LED orange */
  78         0
  79 };
  80
  81 static void __init dockstar_init(void)
  82 {
  83         /*
  84          * Basic setup. Needs to be called early.
  85          */
  86         kirkwood_init();
  87
  88         /* setup gpio pin select */
  89         kirkwood_mpp_conf(dockstar_mpp_config);
  90
  91         kirkwood_uart0_init();
  92         kirkwood_nand_init(ARRAY_AND_SIZE(dockstar_nand_parts), 25);
  93
  94         if (gpio_request(29, "USB Power Enable") != 0 ||
  95             gpio_direction_output(29, 1) != 0)
  96                 printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
  97         kirkwood_ehci_init();
  98
  99         kirkwood_ge00_init(&dockstar_ge00_data);
 100
 101         platform_device_register(&dockstar_leds);
 102 }
 103
 104 MACHINE_START(DOCKSTAR, "Seagate FreeAgent DockStar")
 105         .atag_offset    = 0x100,
 106         .init_machine   = dockstar_init,
 107         .map_io         = kirkwood_map_io,
 108         .init_early     = kirkwood_init_early,
 109         .init_irq       = kirkwood_init_irq,
 110         .timer          = &kirkwood_timer,
 111         .restart        = kirkwood_restart,
 112 MACHINE_END