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:red:misc",
  62                 .default_trigger        = "none",
  63                 .gpio                   = 46,
  64                 .active_low             = 1,
  65         },
  66         {
  67                 .name                   = "plug:green:health",
  68                 .default_trigger        = "default-on",
  69                 .gpio                   = 49,
  70                 .active_low             = 1,
  71         },
  72 };
  73
  74 static struct gpio_led_platform_data sheevaplug_led_data = {
  75         .leds           = sheevaplug_led_pins,
  76         .num_leds       = ARRAY_SIZE(sheevaplug_led_pins),
  77 };
  78
  79 static struct platform_device sheevaplug_leds = {
  80         .name   = "leds-gpio",
  81         .id     = -1,
  82         .dev    = {
  83                 .platform_data  = &sheevaplug_led_data,
  84         }
  85 };
  86
  87 static unsigned int sheevaplug_mpp_config[] __initdata = {
  88         MPP29_GPIO,     /* USB Power Enable */
  89         MPP46_GPIO,     /* LED Red */
  90         MPP49_GPIO,     /* LED */
  91         0
  92 };
  93
  94 static unsigned int sheeva_esata_mpp_config[] __initdata = {
  95         MPP29_GPIO,     /* USB Power Enable */
  96         MPP44_GPIO,     /* SD Write Protect */
  97         MPP47_GPIO,     /* SD Card Detect */
  98         MPP49_GPIO,     /* LED Green */
  99         0
 100 };
 101
 102 static void __init sheevaplug_init(void)
 103 {
 104         /*
 105          * Basic setup. Needs to be called early.
 106          */
 107         kirkwood_init();
 108
 109         /* setup gpio pin select */
 110         if (machine_is_esata_sheevaplug())
 111                 kirkwood_mpp_conf(sheeva_esata_mpp_config);
 112         else
 113                 kirkwood_mpp_conf(sheevaplug_mpp_config);
 114
 115         kirkwood_uart0_init();
 116         kirkwood_nand_init(ARRAY_AND_SIZE(sheevaplug_nand_parts), 25);
 117
 118         if (gpio_request(29, "USB Power Enable") != 0 ||
 119             gpio_direction_output(29, 1) != 0)
 120                 printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
 121         kirkwood_ehci_init();
 122
 123         kirkwood_ge00_init(&sheevaplug_ge00_data);
 124
 125         /* honor lower power consumption for plugs with out eSATA */
 126         if (machine_is_esata_sheevaplug())
 127                 kirkwood_sata_init(&sheeva_esata_sata_data);
 128
 129         /* enable sd wp and sd cd on plugs with esata */
 130         if (machine_is_esata_sheevaplug())
 131                 kirkwood_sdio_init(&sheeva_esata_mvsdio_data);
 132         else
 133                 kirkwood_sdio_init(&sheevaplug_mvsdio_data);
 134
 135         platform_device_register(&sheevaplug_leds);
 136 }
 137
 138 #ifdef CONFIG_MACH_SHEEVAPLUG
 139 MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
 140         /* Maintainer: shadi Ammouri <shadi@marvell.com> */
 141         .atag_offset    = 0x100,
 142         .init_machine   = sheevaplug_init,
 143         .map_io         = kirkwood_map_io,
 144         .init_early     = kirkwood_init_early,
 145         .init_irq       = kirkwood_init_irq,
 146         .timer          = &kirkwood_timer,
 147         .restart        = kirkwood_restart,
 148 MACHINE_END
 149 #endif
 150
 151 #ifdef CONFIG_MACH_ESATA_SHEEVAPLUG
 152 MACHINE_START(ESATA_SHEEVAPLUG, "Marvell eSATA SheevaPlug Reference Board")
 153         .atag_offset    = 0x100,
 154         .init_machine   = sheevaplug_init,
 155         .map_io         = kirkwood_map_io,
 156         .init_early     = kirkwood_init_early,
 157         .init_irq       = kirkwood_init_irq,
 158         .timer          = &kirkwood_timer,
 159         .restart        = kirkwood_restart,
 160 MACHINE_END
 161 #endif