arch/arm/mach-msm/board-sapphire.c

   1 /* linux/arch/arm/mach-msm/board-sapphire.c
   2  * Copyright (C) 2007-2009 HTC Corporation.
   3  * Author: Thomas Tsai <thomas_tsai@htc.com>
   4  *
   5  * This software is licensed under the terms of the GNU General Public
   6  * License version 2, as published by the Free Software Foundation, and
   7  * may be copied, distributed, and modified under those terms.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13 */
  14 #include <linux/gpio.h>
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/input.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/irq.h>
  21 #include <linux/device.h>
  22
  23 #include <linux/delay.h>
  24
  25 #include <mach/hardware.h>
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/mach/flash.h>
  30 #include <mach/vreg.h>
  31
  32 #include <asm/io.h>
  33 #include <asm/delay.h>
  34 #include <asm/setup.h>
  35
  36 #include <linux/mtd/nand.h>
  37 #include <linux/mtd/partitions.h>
  38 #include <linux/memblock.h>
  39
  40 #include "gpio_chip.h"
  41 #include "board-sapphire.h"
  42 #include "proc_comm.h"
  43 #include "devices.h"
  44 #include "common.h"
  45
  46 void msm_init_irq(void);
  47 void msm_init_gpio(void);
  48
  49 static struct platform_device *devices[] __initdata = {
  50         &msm_device_smd,
  51         &msm_device_dmov,
  52         &msm_device_nand,
  53         &msm_device_uart1,
  54         &msm_device_uart3,
  55 };
  56
  57 void msm_timer_init(void);
  58
  59 static void __init sapphire_init_irq(void)
  60 {
  61         msm_init_irq();
  62 }
  63
  64 static void __init sapphire_init(void)
  65 {
  66         platform_add_devices(devices, ARRAY_SIZE(devices));
  67 }
  68
  69 static struct map_desc sapphire_io_desc[] __initdata = {
  70         {
  71                 .virtual = SAPPHIRE_CPLD_BASE,
  72                 .pfn     = __phys_to_pfn(SAPPHIRE_CPLD_START),
  73                 .length  = SAPPHIRE_CPLD_SIZE,
  74                 .type    = MT_DEVICE_NONSHARED
  75         }
  76 };
  77
  78 static void __init sapphire_fixup(struct tag *tags, char **cmdline)
  79 {
  80         int smi_sz = parse_tag_smi((const struct tag *)tags);
  81
  82         if (smi_sz == 32) {
  83                 memblock_add(PHYS_OFFSET, 84*SZ_1M);
  84         } else if (smi_sz == 64) {
  85                 memblock_add(PHYS_OFFSET, 101*SZ_1M);
  86         } else {
  87                 memblock_add(PHYS_OFFSET, 101*SZ_1M);
  88                 /* Give a default value when not get smi size */
  89                 smi_sz = 64;
  90         }
  91 }
  92
  93 static void __init sapphire_map_io(void)
  94 {
  95         msm_map_common_io();
  96         iotable_init(sapphire_io_desc, ARRAY_SIZE(sapphire_io_desc));
  97         msm_clock_init();
  98 }
  99
 100 static void __init sapphire_init_late(void)
 101 {
 102         smd_debugfs_init();
 103 }
 104
 105 MACHINE_START(SAPPHIRE, "sapphire")
 106 /* Maintainer: Brian Swetland <swetland@google.com> */
 107         .atag_offset    = 0x100,
 108         .fixup          = sapphire_fixup,
 109         .map_io         = sapphire_map_io,
 110         .init_irq       = sapphire_init_irq,
 111         .init_machine   = sapphire_init,
 112         .init_late      = sapphire_init_late,
 113         .init_time      = msm_timer_init,
 114 MACHINE_END