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
  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/sysdev.h>
  22
  23 #include <linux/delay.h>
  24
  25 #include <asm/gpio.h>
  26 #include <mach/hardware.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30 #include <asm/mach/flash.h>
  31 #include <asm/system.h>
  32 #include <mach/system.h>
  33 #include <mach/vreg.h>
  34 #include <mach/board.h>
  35
  36 #include <asm/io.h>
  37 #include <asm/delay.h>
  38 #include <asm/setup.h>
  39
  40 #include <linux/mtd/nand.h>
  41 #include <linux/mtd/partitions.h>
  42
  43 #include "gpio_chip.h"
  44 #include "board-sapphire.h"
  45 #include "proc_comm.h"
  46 #include "devices.h"
  47
  48 void msm_init_irq(void);
  49 void msm_init_gpio(void);
  50
  51 static struct platform_device *devices[] __initdata = {
  52         &msm_device_smd,
  53         &msm_device_dmov,
  54         &msm_device_nand,
  55         &msm_device_uart1,
  56         &msm_device_uart3,
  57 };
  58
  59 extern struct sys_timer msm_timer;
  60
  61 static void __init sapphire_init_irq(void)
  62 {
  63         msm_init_irq();
  64 }
  65
  66 static void __init sapphire_init(void)
  67 {
  68         platform_add_devices(devices, ARRAY_SIZE(devices));
  69 }
  70
  71 static struct map_desc sapphire_io_desc[] __initdata = {
  72         {
  73                 .virtual = SAPPHIRE_CPLD_BASE,
  74                 .pfn     = __phys_to_pfn(SAPPHIRE_CPLD_START),
  75                 .length  = SAPPHIRE_CPLD_SIZE,
  76                 .type    = MT_DEVICE_NONSHARED
  77         }
  78 };
  79
  80 static void __init sapphire_fixup(struct machine_desc *desc, struct tag *tags,
  81                                   char **cmdline, struct meminfo *mi)
  82 {
  83         int smi_sz = parse_tag_smi((const struct tag *)tags);
  84
  85         mi->nr_banks = 1;
  86         mi->bank[0].start = PHYS_OFFSET;
  87         mi->bank[0].node = PHYS_TO_NID(PHYS_OFFSET);
  88         if (smi_sz == 32) {
  89                 mi->bank[0].size = (84*1024*1024);
  90         } else if (smi_sz == 64) {
  91                 mi->bank[0].size = (101*1024*1024);
  92         } else {
  93                 /* Give a default value when not get smi size */
  94                 smi_sz = 64;
  95                 mi->bank[0].size = (101*1024*1024);
  96         }
  97 }
  98
  99 static void __init sapphire_map_io(void)
 100 {
 101         msm_map_common_io();
 102         iotable_init(sapphire_io_desc, ARRAY_SIZE(sapphire_io_desc));
 103         msm_clock_init();
 104 }
 105
 106 MACHINE_START(SAPPHIRE, "sapphire")
 107 /* Maintainer: Brian Swetland <swetland@google.com> */
 108         .boot_params    = PLAT_PHYS_OFFSET + 0x100,
 109         .fixup          = sapphire_fixup,
 110         .map_io         = sapphire_map_io,
 111         .init_irq       = sapphire_init_irq,
 112         .init_machine   = sapphire_init,
 113         .timer          = &msm_timer,
 114 MACHINE_END