target/linux/kirkwood/files-3.3/arch/arm/mach-kirkwood/goflexhome-setup.c

   1 /*
   2  * arch/arm/mach-kirkwood/goflexhome-setup.c
   3  *
   4  * Seagate GoFlex Home 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 goflexhome_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_2M + 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 goflexhome_ge00_data = {
  42         .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
  43 };
  44
  45 static struct mv_sata_platform_data goflexhome_sata_data = {
  46         .n_ports        = 1,
  47 };
  48
  49 static struct gpio_led goflexhome_led_pins[] = {
  50         {
  51                 .name                   = "status:green:health",
  52                 .default_trigger        = "default-on",
  53                 .gpio                   = 46,
  54                 .active_low             = 1,
  55         },
  56         {
  57                 .name                   = "status:orange:fault",
  58                 .default_trigger        = "none",
  59                 .gpio                   = 47,
  60                 .active_low             = 1,
  61         },
  62         {
  63                 .name                   = "status:white:misc",
  64                 .default_trigger        = "none",
  65                 .gpio                   = 40,
  66                 .active_low             = 0,
  67         }
  68 };
  69
  70 static struct gpio_led_platform_data goflexhome_led_data = {
  71         .leds           = goflexhome_led_pins,
  72         .num_leds       = ARRAY_SIZE(goflexhome_led_pins),
  73 };
  74
  75 static struct platform_device goflexhome_leds = {
  76         .name   = "leds-gpio",
  77         .id     = -1,
  78         .dev    = {
  79                 .platform_data  = &goflexhome_led_data,
  80         }
  81 };
  82
  83 static unsigned int goflexhome_mpp_config[] __initdata = {
  84         MPP29_GPIO,     /* USB Power Enable */
  85         MPP47_GPIO,     /* LED Orange */
  86         MPP46_GPIO,     /* LED Green */
  87         MPP40_GPIO,     /* LED White */
  88         0
  89 };
  90
  91 static void __init goflexhome_init(void)
  92 {
  93         /*
  94          * Basic setup. Needs to be called early.
  95          */
  96         kirkwood_init();
  97
  98         /* setup gpio pin select */
  99         kirkwood_mpp_conf(goflexhome_mpp_config);
 100
 101         kirkwood_uart0_init();
 102         kirkwood_nand_init(ARRAY_AND_SIZE(goflexhome_nand_parts), 40);
 103
 104         if (gpio_request(29, "USB Power Enable") != 0 ||
 105             gpio_direction_output(29, 1) != 0)
 106                 printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
 107         kirkwood_ehci_init();
 108         kirkwood_ge00_init(&goflexhome_ge00_data);
 109         kirkwood_sata_init(&goflexhome_sata_data);
 110
 111         platform_device_register(&goflexhome_leds);
 112 }
 113
 114 MACHINE_START(GOFLEXHOME, "Seagate GoFlex Home")
 115         /* Maintainer: Peter Carmichael <peterjncarm@ovi.com> */
 116         .atag_offset    = 0x100,
 117         .init_machine   = goflexhome_init,
 118         .map_io         = kirkwood_map_io,
 119         .init_early     = kirkwood_init_early,
 120         .init_irq       = kirkwood_init_irq,
 121         .timer          = &kirkwood_timer,
 122         .restart        = kirkwood_restart,
 123 MACHINE_END