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/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 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 mv643xx_eth_platform_data sheevaplug_ge00_data = {
  43         .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
  44 };
  45
  46 static struct mv_sata_platform_data sheeva_esata_sata_data = {
  47         .n_ports        = 2,
  48 };
  49
  50 static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
  51         /* unfortunately the CD signal has not been connected */
  52 };
  53
  54 static struct mvsdio_platform_data sheeva_esata_mvsdio_data = {
  55         .gpio_write_protect = 44, /* MPP44 used as SD write protect */
  56         .gpio_card_detect = 47,   /* MPP47 used as SD card detect */
  57 };
  58
  59 static struct gpio_led sheevaplug_led_pins[] = {
  60         {
  61                 .name                   = "plug:green:health",
  62                 .default_trigger        = "default-on",
  63                 .gpio                   = 49,
  64                 .active_low             = 1,
  65         },
  66 };
  67
  68 static struct gpio_led_platform_data sheevaplug_led_data = {
  69         .leds           = sheevaplug_led_pins,
  70         .num_leds       = ARRAY_SIZE(sheevaplug_led_pins),
  71 };
  72
  73 static struct platform_device sheevaplug_leds = {
  74         .name   = "leds-gpio",
  75         .id     = -1,
  76         .dev    = {
  77                 .platform_data  = &sheevaplug_led_data,
  78         }
  79 };
  80
  81 static unsigned int sheevaplug_mpp_config[] __initdata = {
  82         MPP29_GPIO,     /* USB Power Enable */
  83         MPP49_GPIO,     /* LED */
  84         0
  85 };
  86
  87 static unsigned int sheeva_esata_mpp_config[] __initdata = {
  88         MPP29_GPIO,     /* USB Power Enable */
  89         MPP44_GPIO,     /* SD Write Protect */
  90         MPP47_GPIO,     /* SD Card Detect */
  91         MPP49_GPIO,     /* LED Green */
  92         0
  93 };
  94
  95 static void __init sheevaplug_init(void)
  96 {
  97         /*
  98          * Basic setup. Needs to be called early.
  99          */
 100         kirkwood_init();
 101
 102         /* setup gpio pin select */
 103         if (machine_is_sheeva_esata())
 104                 kirkwood_mpp_conf(sheeva_esata_mpp_config);
 105         else
 106                 kirkwood_mpp_conf(sheevaplug_mpp_config);
 107
 108         kirkwood_uart0_init();
 109         kirkwood_nand_init(ARRAY_AND_SIZE(sheevaplug_nand_parts), 25);
 110
 111         if (gpio_request(29, "USB Power Enable") != 0 ||
 112             gpio_direction_output(29, 1) != 0)
 113                 printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
 114         kirkwood_ehci_init();
 115
 116         kirkwood_ge00_init(&sheevaplug_ge00_data);
 117
 118         /* honor lower power consumption for plugs with out eSATA */
 119         if (machine_is_sheeva_esata())
 120                 kirkwood_sata_init(&sheeva_esata_sata_data);
 121
 122         /* enable sd wp and sd cd on plugs with esata */
 123         if (machine_is_sheeva_esata())
 124                 kirkwood_sdio_init(&sheeva_esata_mvsdio_data);
 125         else
 126                 kirkwood_sdio_init(&sheevaplug_mvsdio_data);
 127
 128         platform_device_register(&sheevaplug_leds);
 129 }
 130
 131 #ifdef CONFIG_MACH_SHEEVAPLUG
 132 MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
 133         /* Maintainer: shadi Ammouri <shadi@marvell.com> */
 134         .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
 135         .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
 136         .boot_params    = 0x00000100,
 137         .init_machine   = sheevaplug_init,
 138         .map_io         = kirkwood_map_io,
 139         .init_irq       = kirkwood_init_irq,
 140         .timer          = &kirkwood_timer,
 141 MACHINE_END
 142 #endif
 143
 144 #ifdef CONFIG_MACH_ESATA_SHEEVAPLUG
 145 MACHINE_START(ESATA_SHEEVAPLUG, "Marvell eSATA SheevaPlug Reference Board")
 146         .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
 147         .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
 148         .boot_params    = 0x00000100,
 149         .init_machine   = sheevaplug_init,
 150         .map_io         = kirkwood_map_io,
 151         .init_irq       = kirkwood_init_irq,
 152         .timer          = &kirkwood_timer,
 153 MACHINE_END
 154 #endif