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

   1 /*
   2  * arch/arm/mach-kirkwood/sheevaplug-setup.c
   3  *
   4  * Marvell SheevaPlug Reference Board 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/mtd/partitions.h>
  15 #include <linux/mv643xx_eth.h>
  16 #include <linux/gpio.h>
  17 #include <linux/leds.h>
  18 #include <asm/mach-types.h>
  19 #include <asm/mach/arch.h>
  20 #include <mach/kirkwood.h>
  21 #include <plat/mvsdio.h>
  22 #include "common.h"
  23 #include "mpp.h"
  24
  25 static struct mtd_partition sheevaplug_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 sheevaplug_ge00_data = {
  42         .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
  43 };
  44
  45 static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
  46         /* unfortunately the CD signal has not been connected */
  47 };
  48
  49 static struct gpio_led sheevaplug_led_pins[] = {
  50         {
  51                 .name                   = "plug:green:health",
  52                 .default_trigger        = "default-on",
  53                 .gpio                   = 49,
  54                 .active_low             = 1,
  55         },
  56 };
  57
  58 static struct gpio_led_platform_data sheevaplug_led_data = {
  59         .leds           = sheevaplug_led_pins,
  60         .num_leds       = ARRAY_SIZE(sheevaplug_led_pins),
  61 };
  62
  63 static struct platform_device sheevaplug_leds = {
  64         .name   = "leds-gpio",
  65         .id     = -1,
  66         .dev    = {
  67                 .platform_data  = &sheevaplug_led_data,
  68         }
  69 };
  70
  71 static unsigned int sheevaplug_mpp_config[] __initdata = {
  72         MPP29_GPIO,     /* USB Power Enable */
  73         MPP49_GPIO,     /* LED */
  74         0
  75 };
  76
  77 static void __init sheevaplug_init(void)
  78 {
  79         /*
  80          * Basic setup. Needs to be called early.
  81          */
  82         kirkwood_init();
  83         kirkwood_mpp_conf(sheevaplug_mpp_config);
  84
  85         kirkwood_uart0_init();
  86         kirkwood_nand_init(ARRAY_AND_SIZE(sheevaplug_nand_parts), 25);
  87
  88         if (gpio_request(29, "USB Power Enable") != 0 ||
  89             gpio_direction_output(29, 1) != 0)
  90                 printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
  91         kirkwood_ehci_init();
  92
  93         kirkwood_ge00_init(&sheevaplug_ge00_data);
  94         kirkwood_sdio_init(&sheevaplug_mvsdio_data);
  95
  96         platform_device_register(&sheevaplug_leds);
  97 }
  98
  99 MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
 100         /* Maintainer: shadi Ammouri <shadi@marvell.com> */
 101         .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
 102         .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
 103         .boot_params    = 0x00000100,
 104         .init_machine   = sheevaplug_init,
 105         .map_io         = kirkwood_map_io,
 106         .init_irq       = kirkwood_init_irq,
 107         .timer          = &kirkwood_timer,
 108 MACHINE_END