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 #define pr_fmt(fmt) "%s: " fmt, __func__
  17
  18 #include <linux/kernel.h>
  19 #include <linux/init.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/clkdev.h>
  22
  23 #include <asm/system_info.h>
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/map.h>
  27 #include <asm/setup.h>
  28
  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_clock_7x01a,
  40         &msm_device_gpio_7201,
  41         &msm_device_uart3,
  42         &msm_device_smd,
  43         &msm_device_nand,
  44         &msm_device_hsusb,
  45         &msm_device_i2c,
  46 };
  47
  48 static void __init trout_init_early(void)
  49 {
  50         arch_ioremap_caller = __msm_ioremap_caller;
  51 }
  52
  53 static void __init trout_init_irq(void)
  54 {
  55         msm_init_irq();
  56 }
  57
  58 static void __init trout_fixup(struct tag *tags, char **cmdline,
  59                                struct meminfo *mi)
  60 {
  61         mi->nr_banks = 1;
  62         mi->bank[0].start = PHYS_OFFSET;
  63         mi->bank[0].size = (101*1024*1024);
  64 }
  65
  66 static void __init trout_init(void)
  67 {
  68         int rc;
  69
  70         platform_add_devices(devices, ARRAY_SIZE(devices));
  71
  72         if (IS_ENABLED(CONFIG_MMC)) {
  73                 rc = trout_init_mmc(system_rev);
  74                 if (rc)
  75                         pr_crit("MMC init failure (%d)\n", rc);
  76         }
  77 }
  78
  79 static struct map_desc trout_io_desc[] __initdata = {
  80         {
  81                 .virtual = TROUT_CPLD_BASE,
  82                 .pfn     = __phys_to_pfn(TROUT_CPLD_START),
  83                 .length  = TROUT_CPLD_SIZE,
  84                 .type    = MT_DEVICE_NONSHARED
  85         }
  86 };
  87
  88 static void __init trout_map_io(void)
  89 {
  90         msm_map_common_io();
  91         iotable_init(trout_io_desc, ARRAY_SIZE(trout_io_desc));
  92
  93 #ifdef CONFIG_MSM_DEBUG_UART3
  94         /* route UART3 to the "H2W" extended usb connector */
  95         writeb(0x80, TROUT_CPLD_BASE + 0x00);
  96 #endif
  97 }
  98
  99 static void __init trout_init_late(void)
 100 {
 101         smd_debugfs_init();
 102 }
 103
 104 MACHINE_START(TROUT, "HTC Dream")
 105         .atag_offset    = 0x100,
 106         .fixup          = trout_fixup,
 107         .map_io         = trout_map_io,
 108         .init_early     = trout_init_early,
 109         .init_irq       = trout_init_irq,
 110         .init_machine   = trout_init,
 111         .init_late      = trout_init_late,
 112         .init_time      = msm7x01_timer_init,
 113 MACHINE_END