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
22#include <asm/mach-types.h>
23#include <asm/mach/arch.h>
24
25#include <mach/pxa25x.h>
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");
87	pxa_set_ffuart_info(NULL);
88	pxa_set_btuart_info(NULL);
89	pxa_set_stuart_info(NULL);
90	platform_add_devices(devices, ARRAY_SIZE(devices));
91}
92
93/* Maintainer - Michael Petchkovsky <mkpetch@internode.on.net> */
94MACHINE_START(NEC_MP900, "MobilePro900/C")
95	.atag_offset	= 0x220100,
96	.init_time	= pxa_timer_init,
97	.map_io		= pxa25x_map_io,
98	.nr_irqs	= PXA_NR_IRQS,
99	.init_irq	= pxa25x_init_irq,
100	.handle_irq	= pxa25x_handle_irq,
101	.init_machine	= mp900c_init,
102	.restart	= pxa_restart,
103MACHINE_END
104
105