arch/arm/mach-omap2/board-n8x0.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-n8x0.c
   3  *
   4  * Copyright (C) 2005-2009 Nokia Corporation
   5  * Author: Juha Yrjola <juha.yrjola@nokia.com>
   6  *
   7  * Modified from mach-omap2/board-generic.c
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/clk.h>
  15 #include <linux/delay.h>
  16 #include <linux/gpio.h>
  17 #include <linux/init.h>
  18 #include <linux/io.h>
  19 #include <linux/stddef.h>
  20 #include <linux/spi/spi.h>
  21 #include <linux/usb/musb.h>
  22
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach-types.h>
  25
  26 #include <plat/board.h>
  27 #include <plat/common.h>
  28 #include <mach/irqs.h>
  29 #include <plat/mcspi.h>
  30 #include <plat/onenand.h>
  31 #include <plat/serial.h>
  32
  33 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
  34         .turbo_mode     = 0,
  35         .single_channel = 1,
  36 };
  37
  38 static struct spi_board_info n800_spi_board_info[] __initdata = {
  39         {
  40                 .modalias       = "p54spi",
  41                 .bus_num        = 2,
  42                 .chip_select    = 0,
  43                 .max_speed_hz   = 48000000,
  44                 .controller_data = &p54spi_mcspi_config,
  45         },
  46 };
  47
  48 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
  49         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
  50
  51 static struct mtd_partition onenand_partitions[] = {
  52         {
  53                 .name           = "bootloader",
  54                 .offset         = 0,
  55                 .size           = 0x20000,
  56                 .mask_flags     = MTD_WRITEABLE,        /* Force read-only */
  57         },
  58         {
  59                 .name           = "config",
  60                 .offset         = MTDPART_OFS_APPEND,
  61                 .size           = 0x60000,
  62         },
  63         {
  64                 .name           = "kernel",
  65                 .offset         = MTDPART_OFS_APPEND,
  66                 .size           = 0x200000,
  67         },
  68         {
  69                 .name           = "initfs",
  70                 .offset         = MTDPART_OFS_APPEND,
  71                 .size           = 0x400000,
  72         },
  73         {
  74                 .name           = "rootfs",
  75                 .offset         = MTDPART_OFS_APPEND,
  76                 .size           = MTDPART_SIZ_FULL,
  77         },
  78 };
  79
  80 static struct omap_onenand_platform_data board_onenand_data = {
  81         .cs             = 0,
  82         .gpio_irq       = 26,
  83         .parts          = onenand_partitions,
  84         .nr_parts       = ARRAY_SIZE(onenand_partitions),
  85         .flags          = ONENAND_SYNC_READ,
  86 };
  87
  88 static void __init n8x0_onenand_init(void)
  89 {
  90         gpmc_onenand_init(&board_onenand_data);
  91 }
  92
  93 #else
  94
  95 static void __init n8x0_onenand_init(void) {}
  96
  97 #endif
  98
  99 static void __init n8x0_map_io(void)
 100 {
 101         omap2_set_globals_242x();
 102         omap2_map_common_io();
 103 }
 104
 105 static void __init n8x0_init_irq(void)
 106 {
 107         omap2_init_common_hw(NULL, NULL);
 108         omap_init_irq();
 109         omap_gpio_init();
 110 }
 111
 112 static void __init n8x0_init_machine(void)
 113 {
 114         /* FIXME: add n810 spi devices */
 115         spi_register_board_info(n800_spi_board_info,
 116                                 ARRAY_SIZE(n800_spi_board_info));
 117
 118         omap_serial_init();
 119         n8x0_onenand_init();
 120 }
 121
 122 MACHINE_START(NOKIA_N800, "Nokia N800")
 123         .phys_io        = 0x48000000,
 124         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 125         .boot_params    = 0x80000100,
 126         .map_io         = n8x0_map_io,
 127         .init_irq       = n8x0_init_irq,
 128         .init_machine   = n8x0_init_machine,
 129         .timer          = &omap_timer,
 130 MACHINE_END
 131
 132 MACHINE_START(NOKIA_N810, "Nokia N810")
 133         .phys_io        = 0x48000000,
 134         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 135         .boot_params    = 0x80000100,
 136         .map_io         = n8x0_map_io,
 137         .init_irq       = n8x0_init_irq,
 138         .init_machine   = n8x0_init_machine,
 139         .timer          = &omap_timer,
 140 MACHINE_END
 141
 142 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
 143         .phys_io        = 0x48000000,
 144         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 145         .boot_params    = 0x80000100,
 146         .map_io         = n8x0_map_io,
 147         .init_irq       = n8x0_init_irq,
 148         .init_machine   = n8x0_init_machine,
 149         .timer          = &omap_timer,
 150 MACHINE_END