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/nand.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 <plat/orion_nand.h>
  24 #include "common.h"
  25 #include "mpp.h"
  26
  27 static struct mtd_partition sheevaplug_nand_parts[] = {
  28         {
  29                 .name = "u-boot",
  30                 .offset = 0,
  31                 .size = SZ_1M
  32         }, {
  33                 .name = "uImage",
  34                 .offset = MTDPART_OFS_NXTBLK,
  35                 .size = SZ_4M
  36         }, {
  37                 .name = "root",
  38                 .offset = MTDPART_OFS_NXTBLK,
  39                 .size = MTDPART_SIZ_FULL
  40         },
  41 };
  42
  43 static struct resource sheevaplug_nand_resource = {
  44         .flags          = IORESOURCE_MEM,
  45         .start          = KIRKWOOD_NAND_MEM_PHYS_BASE,
  46         .end            = KIRKWOOD_NAND_MEM_PHYS_BASE +
  47                           KIRKWOOD_NAND_MEM_SIZE - 1,
  48 };
  49
  50 static struct orion_nand_data sheevaplug_nand_data = {
  51         .parts          = sheevaplug_nand_parts,
  52         .nr_parts       = ARRAY_SIZE(sheevaplug_nand_parts),
  53         .cle            = 0,
  54         .ale            = 1,
  55         .width          = 8,
  56         .chip_delay     = 25,
  57 };
  58
  59 static struct platform_device sheevaplug_nand_flash = {
  60         .name           = "orion_nand",
  61         .id             = -1,
  62         .dev            = {
  63                 .platform_data  = &sheevaplug_nand_data,
  64         },
  65         .resource       = &sheevaplug_nand_resource,
  66         .num_resources  = 1,
  67 };
  68
  69 static struct mv643xx_eth_platform_data sheevaplug_ge00_data = {
  70         .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
  71 };
  72
  73 static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
  74         // unfortunately the CD signal has not been connected */
  75 };
  76
  77 static struct gpio_led sheevaplug_led_pins[] = {
  78         {
  79                 .name                   = "plug:green:health",
  80                 .default_trigger        = "default-on",
  81                 .gpio                   = 49,
  82                 .active_low             = 1,
  83         },
  84 };
  85
  86 static struct gpio_led_platform_data sheevaplug_led_data = {
  87         .leds           = sheevaplug_led_pins,
  88         .num_leds       = ARRAY_SIZE(sheevaplug_led_pins),
  89 };
  90
  91 static struct platform_device sheevaplug_leds = {
  92         .name   = "leds-gpio",
  93         .id     = -1,
  94         .dev    = {
  95                 .platform_data  = &sheevaplug_led_data,
  96         }
  97 };
  98
  99 static unsigned int sheevaplug_mpp_config[] __initdata = {
 100         MPP29_GPIO,     /* USB Power Enable */
 101         MPP49_GPIO,     /* LED */
 102         0
 103 };
 104
 105 static void __init sheevaplug_init(void)
 106 {
 107         /*
 108          * Basic setup. Needs to be called early.
 109          */
 110         kirkwood_init();
 111         kirkwood_mpp_conf(sheevaplug_mpp_config);
 112
 113         kirkwood_uart0_init();
 114
 115         if (gpio_request(29, "USB Power Enable") != 0 ||
 116             gpio_direction_output(29, 1) != 0)
 117                 printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
 118         kirkwood_ehci_init();
 119
 120         kirkwood_ge00_init(&sheevaplug_ge00_data);
 121         kirkwood_sdio_init(&sheevaplug_mvsdio_data);
 122
 123         platform_device_register(&sheevaplug_nand_flash);
 124         platform_device_register(&sheevaplug_leds);
 125 }
 126
 127 MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
 128         /* Maintainer: shadi Ammouri <shadi@marvell.com> */
 129         .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
 130         .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
 131         .boot_params    = 0x00000100,
 132         .init_machine   = sheevaplug_init,
 133         .map_io         = kirkwood_map_io,
 134         .init_irq       = kirkwood_init_irq,
 135         .timer          = &kirkwood_timer,
 136 MACHINE_END