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

   1 /* linux/arch/arm/mach-msm/board-trout.c
   2  *
   3  * Copyright (C) 2009 Google, Inc.
   4  * Author: Brian Swetland <swetland@google.com>
   5  *
   6  * This software is licensed under the terms of the GNU General Public
   7  * License version 2, as published by the Free Software Foundation, and
   8  * may be copied, distributed, and modified under those terms.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  */
  16
  17 #include <linux/kernel.h>
  18 #include <linux/init.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/clkdev.h>
  21
  22 #include <asm/system_info.h>
  23 #include <asm/mach-types.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/map.h>
  26 #include <asm/setup.h>
  27
  28 #include <mach/board.h>
  29 #include <mach/hardware.h>
  30 #include <mach/msm_iomap.h>
  31
  32 #include "devices.h"
  33 #include "board-trout.h"
  34 #include "common.h"
  35
  36 extern int trout_init_mmc(unsigned int);
  37
  38 static struct platform_device *devices[] __initdata = {
  39         &msm_device_uart3,
  40         &msm_device_smd,
  41         &msm_device_nand,
  42         &msm_device_hsusb,
  43         &msm_device_i2c,
  44 };
  45
  46 static void __init trout_init_early(void)
  47 {
  48         arch_ioremap_caller = __msm_ioremap_caller;
  49 }
  50
  51 static void __init trout_init_irq(void)
  52 {
  53         msm_init_irq();
  54 }
  55
  56 static void __init trout_fixup(struct tag *tags, char **cmdline,
  57                                struct meminfo *mi)
  58 {
  59         mi->nr_banks = 1;
  60         mi->bank[0].start = PHYS_OFFSET;
  61         mi->bank[0].size = (101*1024*1024);
  62 }
  63
  64 static void __init trout_init(void)
  65 {
  66         int rc;
  67
  68         platform_add_devices(devices, ARRAY_SIZE(devices));
  69
  70 #ifdef CONFIG_MMC
  71         rc = trout_init_mmc(system_rev);
  72         if (rc)
  73                 printk(KERN_CRIT "%s: MMC init failure (%d)\n", __func__, rc);
  74 #endif
  75
  76 }
  77
  78 static struct map_desc trout_io_desc[] __initdata = {
  79         {
  80                 .virtual = TROUT_CPLD_BASE,
  81                 .pfn     = __phys_to_pfn(TROUT_CPLD_START),
  82                 .length  = TROUT_CPLD_SIZE,
  83                 .type    = MT_DEVICE_NONSHARED
  84         }
  85 };
  86
  87 static void __init trout_map_io(void)
  88 {
  89         msm_map_common_io();
  90         iotable_init(trout_io_desc, ARRAY_SIZE(trout_io_desc));
  91
  92 #ifdef CONFIG_MSM_DEBUG_UART3
  93         /* route UART3 to the "H2W" extended usb connector */
  94         writeb(0x80, TROUT_CPLD_BASE + 0x00);
  95 #endif
  96
  97         msm_clock_init(msm_clocks_7x01a, msm_num_clocks_7x01a);
  98 }
  99
 100 static void __init trout_init_late(void)
 101 {
 102         smd_debugfs_init();
 103 }
 104
 105 MACHINE_START(TROUT, "HTC Dream")
 106         .atag_offset    = 0x100,
 107         .fixup          = trout_fixup,
 108         .map_io         = trout_map_io,
 109         .init_early     = trout_init_early,
 110         .init_irq       = trout_init_irq,
 111         .init_machine   = trout_init,
 112         .init_late      = trout_init_late,
 113         .timer          = &msm7x01_timer,
 114 MACHINE_END