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