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/mach-types.h>
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach/map.h>
  25 #include <asm/setup.h>
  26
  27 #include <mach/board.h>
  28 #include <mach/hardware.h>
  29 #include <mach/msm_iomap.h>
  30
  31 #include "devices.h"
  32 #include "board-trout.h"
  33
  34 extern int trout_init_mmc(unsigned int);
  35
  36 static struct platform_device *devices[] __initdata = {
  37         &msm_device_uart3,
  38         &msm_device_smd,
  39         &msm_device_nand,
  40         &msm_device_hsusb,
  41         &msm_device_i2c,
  42 };
  43
  44 extern struct sys_timer msm_timer;
  45
  46 static void __init trout_init_irq(void)
  47 {
  48         msm_init_irq();
  49 }
  50
  51 static void __init trout_fixup(struct machine_desc *desc, struct tag *tags,
  52                                 char **cmdline, struct meminfo *mi)
  53 {
  54         mi->nr_banks = 1;
  55         mi->bank[0].start = PHYS_OFFSET;
  56         mi->bank[0].size = (101*1024*1024);
  57 }
  58
  59 static void __init trout_init(void)
  60 {
  61         int rc;
  62
  63         platform_add_devices(devices, ARRAY_SIZE(devices));
  64
  65 #ifdef CONFIG_MMC
  66         rc = trout_init_mmc(system_rev);
  67         if (rc)
  68                 printk(KERN_CRIT "%s: MMC init failure (%d)\n", __func__, rc);
  69 #endif
  70
  71 }
  72
  73 static struct map_desc trout_io_desc[] __initdata = {
  74         {
  75                 .virtual = TROUT_CPLD_BASE,
  76                 .pfn     = __phys_to_pfn(TROUT_CPLD_START),
  77                 .length  = TROUT_CPLD_SIZE,
  78                 .type    = MT_DEVICE_NONSHARED
  79         }
  80 };
  81
  82 static void __init trout_map_io(void)
  83 {
  84         msm_map_common_io();
  85         iotable_init(trout_io_desc, ARRAY_SIZE(trout_io_desc));
  86
  87 #ifdef CONFIG_MSM_DEBUG_UART3
  88         /* route UART3 to the "H2W" extended usb connector */
  89         writeb(0x80, TROUT_CPLD_BASE + 0x00);
  90 #endif
  91
  92         msm_clock_init(msm_clocks_7x01a, msm_num_clocks_7x01a);
  93 }
  94
  95 MACHINE_START(TROUT, "HTC Dream")
  96         .boot_params    = 0x10000100,
  97         .fixup          = trout_fixup,
  98         .map_io         = trout_map_io,
  99         .init_irq       = trout_init_irq,
 100         .init_machine   = trout_init,
 101         .timer          = &msm_timer,
 102 MACHINE_END