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 <asm/mach-types.h>
  19 #include <asm/mach/arch.h>
  20 #include <mach/kirkwood.h>
  21 #include <plat/mvsdio.h>
  22 #include <plat/orion_nand.h>
  23 #include "common.h"
  24 #include "mpp.h"
  25
  26 static struct mtd_partition sheevaplug_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 resource sheevaplug_nand_resource = {
  43         .flags          = IORESOURCE_MEM,
  44         .start          = KIRKWOOD_NAND_MEM_PHYS_BASE,
  45         .end            = KIRKWOOD_NAND_MEM_PHYS_BASE +
  46                           KIRKWOOD_NAND_MEM_SIZE - 1,
  47 };
  48
  49 static struct orion_nand_data sheevaplug_nand_data = {
  50         .parts          = sheevaplug_nand_parts,
  51         .nr_parts       = ARRAY_SIZE(sheevaplug_nand_parts),
  52         .cle            = 0,
  53         .ale            = 1,
  54         .width          = 8,
  55         .chip_delay     = 25,
  56 };
  57
  58 static struct platform_device sheevaplug_nand_flash = {
  59         .name           = "orion_nand",
  60         .id             = -1,
  61         .dev            = {
  62                 .platform_data  = &sheevaplug_nand_data,
  63         },
  64         .resource       = &sheevaplug_nand_resource,
  65         .num_resources  = 1,
  66 };
  67
  68 static struct mv643xx_eth_platform_data sheevaplug_ge00_data = {
  69         .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
  70 };
  71
  72 static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
  73         // unfortunately the CD signal has not been connected */
  74 };
  75
  76 static unsigned int sheevaplug_mpp_config[] __initdata = {
  77         MPP29_GPIO,     /* USB Power Enable */
  78         0
  79 };
  80
  81 static void __init sheevaplug_init(void)
  82 {
  83         /*
  84          * Basic setup. Needs to be called early.
  85          */
  86         kirkwood_init();
  87         kirkwood_mpp_conf(sheevaplug_mpp_config);
  88
  89         kirkwood_uart0_init();
  90
  91         if (gpio_request(29, "USB Power Enable") != 0 ||
  92             gpio_direction_output(29, 1) != 0)
  93                 printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
  94         kirkwood_ehci_init();
  95
  96         kirkwood_ge00_init(&sheevaplug_ge00_data);
  97         kirkwood_sdio_init(&sheevaplug_mvsdio_data);
  98
  99         platform_device_register(&sheevaplug_nand_flash);
 100 }
 101
 102 MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
 103         /* Maintainer: shadi Ammouri <shadi@marvell.com> */
 104         .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
 105         .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
 106         .boot_params    = 0x00000100,
 107         .init_machine   = sheevaplug_init,
 108         .map_io         = kirkwood_map_io,
 109         .init_irq       = kirkwood_init_irq,
 110         .timer          = &kirkwood_timer,
 111 MACHINE_END