/* * linux/arch/arm/mach-pxa/mp900.c * * Support for the NEC MobilePro900/C platform * * 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 <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/pxa25x.h> #include "generic.h" 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 platform_device mp900c_dummy_device = { .name = "mp900c_dummy", .id = -1, }; static struct platform_device mp900c_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, }; static void __init mp900c_init(void) { printk(KERN_INFO "MobilePro 900/C machine init\n"); platform_add_devices(devices, ARRAY_SIZE(devices)); } /* Maintainer - Michael Petchkovsky <mkpetch@internode.on.net> */ MACHINE_START(NEC_MP900, "MobilePro900/C") .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 = mp900c_init, MACHINE_END