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/*
* linux/arch/arm/mach-pxa/bsquare.c
*
* Support for the bsquare
*
* Based on mach-pxa/gumstix.c
*
* 2007, 2008 Kristoffer Ericson <kristoffer.ericson@gmail.com>
* 2007, 2008 Michael Petchkovsky <mkpetch@internode.on.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/types.h>
#include <linux/usb/isp116x.h>
#include <mach/hardware.h>
#include <mach/pxa-regs.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include "generic.h"
#include <video/s1d13xxxfb.h>
#define EPSONREGSTART 0x0C000000
#define EPSONREGLEN 0x00200000
#define EPSONFBSTART 0x0C200000
#define EPSONFBLEN 1280*1024*2
static void isp116x_pfm_delay(struct device *dev, int delay)
{
/* 400Mhz PXA2 = 2.5ns / instruction */
int cyc = delay / 10;
/* 4 Instructions = 4 x 2.5ns = 10ns */
__asm__ volatile ("0:\n"
"subs %0, %1, #1\n"
"bge 0b\n"
:"=r" (cyc)
:"0"(cyc)
);
}
static struct isp116x_platform_data isp116x_pfm_data = {
.remote_wakeup_enable = 1,
.delay = isp116x_pfm_delay,
};
static struct resource isp116x_pfm_resources[] = {
[0] = {
.start = 0x0d000000,
.end = 0x0d000000 + 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 0x0d000000 + 4,
.end = 0x0d000000 + 5,
.flags = IORESOURCE_MEM,
},
[2] = {
.start = 61,
.end = 61,
.flags = IORESOURCE_IRQ,
},
};
static struct resource s1d13xxxfb_resources[] = {
[0] = {
.start = EPSONFBSTART,
.end = EPSONFBSTART + EPSONFBLEN,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = EPSONREGSTART,
.end = EPSONREGSTART + EPSONREGLEN,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device bsquare_dummy_device = {
.name = "bsquare_dummy",
.id = -1,
};
static struct platform_device s1d13xxxfb_device = {
.name = S1D_DEVICENAME,
.id = 0,
.num_resources = ARRAY_SIZE(s1d13xxxfb_resources),
.resource = s1d13xxxfb_resources,
};
static struct platform_device bsquare_usb = {
.name = "isp116x-hcd",
.num_resources = ARRAY_SIZE(isp116x_pfm_resources),
.resource = isp116x_pfm_resources,
.dev.platform_data = &isp116x_pfm_data,
};
static struct platform_device *devices[] __initdata = {
&mp900c_dummy_device,
&mp900c_usb,
&s1d13xxxfb_device,
};
static void __init bsquare_init(void)
{
printk(KERN_INFO "Bsquare machine init\n");
platform_add_devices(devices, ARRAY_SIZE(devices));
}
/* Maintainer - Kristoffer Ericson <kristoffer.ericson@gmail.com> */
MACHINE_START(NEC_MP900, "Bsquare")
.phys_io = 0x40000000,
.boot_params = 0xa0220100,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.timer = &pxa_timer,
.map_io = pxa_map_io,
.init_irq = pxa25x_init_irq,
.init_machine = bsquare_init,
MACHINE_END
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