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gerrit-public.fairphone.software / kernel / msm-4.9 / 7266d48fca8ee2a15d15222c41f887e10db54c5a / . / arch / arm / mach-pxa / mp900.c
blob: 854f1f562d6b34590aac4d587a212cf4cf06829f [file] [log] [blame]
Kristoffer Ericson49ea26d02008-10-02 20:15:35 +0100[diff] [blame]1/*
2 * linux/arch/arm/mach-pxa/mp900.c
3 *
4 * Support for the NEC MobilePro900/C platform
5 *
6 * Based on mach-pxa/gumstix.c
7 *
8 * 2007, 2008 Kristoffer Ericson <kristoffer.ericson@gmail.com>
9 * 2007, 2008 Michael Petchkovsky <mkpetch@internode.on.net>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
16#include <linux/init.h>
17#include <linux/device.h>
18#include <linux/platform_device.h>
19#include <linux/types.h>
20#include <linux/usb/isp116x.h>
21
Kristoffer Ericson49ea26d02008-10-02 20:15:35 +0100[diff] [blame]22#include <asm/mach-types.h>
23#include <asm/mach/arch.h>
Eric Miao51c62982009-01-02 23:17:22 +0800[diff] [blame]24
25#include <mach/pxa25x.h>
Kristoffer Ericson49ea26d02008-10-02 20:15:35 +0100[diff] [blame]26#include "generic.h"
27
28static void isp116x_pfm_delay(struct device *dev, int delay)
29{
30
31 /* 400Mhz PXA2 = 2.5ns / instruction */
32
33 int cyc = delay / 10;
34
35 /* 4 Instructions = 4 x 2.5ns = 10ns */
36 __asm__ volatile ("0:\n"
37 "subs %0, %1, #1\n"
38 "bge 0b\n"
39 :"=r" (cyc)
40 :"0"(cyc)
41 );
42}
43
44static struct isp116x_platform_data isp116x_pfm_data = {
45 .remote_wakeup_enable = 1,
46 .delay = isp116x_pfm_delay,
47};
48
49static struct resource isp116x_pfm_resources[] = {
50 [0] = {
51 .start = 0x0d000000,
52 .end = 0x0d000000 + 1,
53 .flags = IORESOURCE_MEM,
54 },
55 [1] = {
56 .start = 0x0d000000 + 4,
57 .end = 0x0d000000 + 5,
58 .flags = IORESOURCE_MEM,
59 },
60 [2] = {
61 .start = 61,
62 .end = 61,
63 .flags = IORESOURCE_IRQ,
64 },
65};
66
67static struct platform_device mp900c_dummy_device = {
68 .name = "mp900c_dummy",
69 .id = -1,
70};
71
72static struct platform_device mp900c_usb = {
73 .name = "isp116x-hcd",
74 .num_resources = ARRAY_SIZE(isp116x_pfm_resources),
75 .resource = isp116x_pfm_resources,
76 .dev.platform_data = &isp116x_pfm_data,
77};
78
79static struct platform_device *devices[] __initdata = {
80 &mp900c_dummy_device,
81 &mp900c_usb,
82};
83
84static void __init mp900c_init(void)
85{
86 printk(KERN_INFO "MobilePro 900/C machine init\n");
Russell Kingcc155c62009-11-09 13:34:08 +0800[diff] [blame]87 pxa_set_ffuart_info(NULL);
88 pxa_set_btuart_info(NULL);
89 pxa_set_stuart_info(NULL);
Kristoffer Ericson49ea26d02008-10-02 20:15:35 +0100[diff] [blame]90 platform_add_devices(devices, ARRAY_SIZE(devices));
91}
92
93/* Maintainer - Michael Petchkovsky <mkpetch@internode.on.net> */
94MACHINE_START(NEC_MP900, "MobilePro900/C")
Nicolas Pitre7375aba2011-07-05 22:38:15 -0400[diff] [blame]95 .atag_offset = 0x220100,
Stephen Warren6bb27d72012-11-08 12:40:59 -0700[diff] [blame]96 .init_time = pxa_timer_init,
Marek Vasut851982c2010-10-11 02:20:19 +0200[diff] [blame]97 .map_io = pxa25x_map_io,
Rob Herring4e611092012-01-03 16:53:48 -0600[diff] [blame]98 .nr_irqs = PXA_NR_IRQS,
Kristoffer Ericson49ea26d02008-10-02 20:15:35 +0100[diff] [blame]99 .init_irq = pxa25x_init_irq,
Eric Miao8a97ae22011-05-18 21:30:04 +0800[diff] [blame]100 .handle_irq = pxa25x_handle_irq,
Kristoffer Ericson49ea26d02008-10-02 20:15:35 +0100[diff] [blame]101 .init_machine = mp900c_init,
Russell King271a74f2011-11-04 14:15:53 +0000[diff] [blame]102 .restart = pxa_restart,
Kristoffer Ericson49ea26d02008-10-02 20:15:35 +0100[diff] [blame]103MACHINE_END
104