arch/arm/mach-kirkwood/board-dreamplug.c

   1 /*
   2  * Copyright 2012 (C), Jason Cooper <jason@lakedaemon.net>
   3  *
   4  * arch/arm/mach-kirkwood/board-dreamplug.c
   5  *
   6  * Marvell DreamPlug Reference Board Init for drivers not converted to
   7  * flattened device tree yet.
   8  *
   9  * This file is licensed under the terms of the GNU General Public
  10  * License version 2.  This program is licensed "as is" without any
  11  * warranty of any kind, whether express or implied.
  12  */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/mtd/partitions.h>
  18 #include <linux/ata_platform.h>
  19 #include <linux/mv643xx_eth.h>
  20 #include <linux/of.h>
  21 #include <linux/of_address.h>
  22 #include <linux/of_fdt.h>
  23 #include <linux/of_irq.h>
  24 #include <linux/of_platform.h>
  25 #include <linux/gpio.h>
  26 #include <linux/leds.h>
  27 #include <linux/mtd/physmap.h>
  28 #include <linux/spi/flash.h>
  29 #include <linux/spi/spi.h>
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/map.h>
  33 #include <mach/kirkwood.h>
  34 #include <mach/bridge-regs.h>
  35 #include <plat/mvsdio.h>
  36 #include "common.h"
  37 #include "mpp.h"
  38
  39 struct mtd_partition dreamplug_partitions[] = {
  40         {
  41                 .name   = "u-boot",
  42                 .size   = SZ_512K,
  43                 .offset = 0,
  44         },
  45         {
  46                 .name   = "u-boot env",
  47                 .size   = SZ_64K,
  48                 .offset = SZ_512K + SZ_512K,
  49         },
  50         {
  51                 .name   = "dtb",
  52                 .size   = SZ_64K,
  53                 .offset = SZ_512K + SZ_512K + SZ_512K,
  54         },
  55 };
  56
  57 static const struct flash_platform_data dreamplug_spi_slave_data = {
  58         .type           = "mx25l1606e",
  59         .name           = "spi_flash",
  60         .parts          = dreamplug_partitions,
  61         .nr_parts       = ARRAY_SIZE(dreamplug_partitions),
  62 };
  63
  64 static struct spi_board_info __initdata dreamplug_spi_slave_info[] = {
  65         {
  66                 .modalias       = "m25p80",
  67                 .platform_data  = &dreamplug_spi_slave_data,
  68                 .irq            = -1,
  69                 .max_speed_hz   = 50000000,
  70                 .bus_num        = 0,
  71                 .chip_select    = 0,
  72         },
  73 };
  74
  75 static struct mv643xx_eth_platform_data dreamplug_ge00_data = {
  76         .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
  77 };
  78
  79 static struct mv643xx_eth_platform_data dreamplug_ge01_data = {
  80         .phy_addr       = MV643XX_ETH_PHY_ADDR(1),
  81 };
  82
  83 static struct mv_sata_platform_data dreamplug_sata_data = {
  84         .n_ports        = 1,
  85 };
  86
  87 static struct mvsdio_platform_data dreamplug_mvsdio_data = {
  88         /* unfortunately the CD signal has not been connected */
  89 };
  90
  91 static struct gpio_led dreamplug_led_pins[] = {
  92         {
  93                 .name                   = "dreamplug:blue:bluetooth",
  94                 .gpio                   = 47,
  95                 .active_low             = 1,
  96         },
  97         {
  98                 .name                   = "dreamplug:green:wifi",
  99                 .gpio                   = 48,
 100                 .active_low             = 1,
 101         },
 102         {
 103                 .name                   = "dreamplug:green:wifi_ap",
 104                 .gpio                   = 49,
 105                 .active_low             = 1,
 106         },
 107 };
 108
 109 static struct gpio_led_platform_data dreamplug_led_data = {
 110         .leds           = dreamplug_led_pins,
 111         .num_leds       = ARRAY_SIZE(dreamplug_led_pins),
 112 };
 113
 114 static struct platform_device dreamplug_leds = {
 115         .name   = "leds-gpio",
 116         .id     = -1,
 117         .dev    = {
 118                 .platform_data  = &dreamplug_led_data,
 119         }
 120 };
 121
 122 static unsigned int dreamplug_mpp_config[] __initdata = {
 123         MPP0_SPI_SCn,
 124         MPP1_SPI_MOSI,
 125         MPP2_SPI_SCK,
 126         MPP3_SPI_MISO,
 127         MPP47_GPIO,     /* Bluetooth LED */
 128         MPP48_GPIO,     /* Wifi LED */
 129         MPP49_GPIO,     /* Wifi AP LED */
 130         0
 131 };
 132
 133 void __init dreamplug_init(void)
 134 {
 135         /*
 136          * Basic setup. Needs to be called early.
 137          */
 138         kirkwood_mpp_conf(dreamplug_mpp_config);
 139
 140         spi_register_board_info(dreamplug_spi_slave_info,
 141                                 ARRAY_SIZE(dreamplug_spi_slave_info));
 142         kirkwood_spi_init();
 143
 144         kirkwood_ehci_init();
 145         kirkwood_ge00_init(&dreamplug_ge00_data);
 146         kirkwood_ge01_init(&dreamplug_ge01_data);
 147         kirkwood_sata_init(&dreamplug_sata_data);
 148         kirkwood_sdio_init(&dreamplug_mvsdio_data);
 149
 150         platform_device_register(&dreamplug_leds);
 151 }