Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
board-sapphire.c
Go to the documentation of this file.
1 /* linux/arch/arm/mach-msm/board-sapphire.c
2  * Copyright (C) 2007-2009 HTC Corporation.
3  * Author: Thomas Tsai <[email protected]>
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 #include <mach/board.h>
32 
33 #include <asm/io.h>
34 #include <asm/delay.h>
35 #include <asm/setup.h>
36 
37 #include <linux/mtd/nand.h>
38 #include <linux/mtd/partitions.h>
39 
40 #include "gpio_chip.h"
41 #include "board-sapphire.h"
42 #include "proc_comm.h"
43 #include "devices.h"
44 
45 void msm_init_irq(void);
46 void msm_init_gpio(void);
47 
48 static struct platform_device *devices[] __initdata = {
50  &msm_device_dmov,
54 };
55 
56 extern struct sys_timer msm_timer;
57 
58 static void __init sapphire_init_irq(void)
59 {
60  msm_init_irq();
61 }
62 
63 static void __init sapphire_init(void)
64 {
65  platform_add_devices(devices, ARRAY_SIZE(devices));
66 }
67 
68 static struct map_desc sapphire_io_desc[] __initdata = {
69  {
70  .virtual = SAPPHIRE_CPLD_BASE,
71  .pfn = __phys_to_pfn(SAPPHIRE_CPLD_START),
72  .length = SAPPHIRE_CPLD_SIZE,
73  .type = MT_DEVICE_NONSHARED
74  }
75 };
76 
77 static void __init sapphire_fixup(struct tag *tags, char **cmdline,
78  struct meminfo *mi)
79 {
80  int smi_sz = parse_tag_smi((const struct tag *)tags);
81 
82  mi->nr_banks = 1;
83  mi->bank[0].start = PHYS_OFFSET;
84  mi->bank[0].node = PHYS_TO_NID(PHYS_OFFSET);
85  if (smi_sz == 32) {
86  mi->bank[0].size = (84*1024*1024);
87  } else if (smi_sz == 64) {
88  mi->bank[0].size = (101*1024*1024);
89  } else {
90  /* Give a default value when not get smi size */
91  smi_sz = 64;
92  mi->bank[0].size = (101*1024*1024);
93  }
94 }
95 
96 static void __init sapphire_map_io(void)
97 {
99  iotable_init(sapphire_io_desc, ARRAY_SIZE(sapphire_io_desc));
100  msm_clock_init();
101 }
102 
103 static void __init sapphire_init_late(void)
104 {
105  smd_debugfs_init();
106 }
107 
108 MACHINE_START(SAPPHIRE, "sapphire")
109 /* Maintainer: Brian Swetland <[email protected]> */
110  .atag_offset = 0x100,
111  .fixup = sapphire_fixup,
112  .map_io = sapphire_map_io,
113  .init_irq = sapphire_init_irq,
114  .init_machine = sapphire_init,
115  .init_late = sapphire_init_late,
116  .timer = &msm_timer,