mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-15 00:36:50 +07:00
6a53bc7500
The SI unit of frequency is Hertz, named after Heinrich Hertz, and is given the symbol "Hz" to denote this. "hz" is not the unit of frequency, and is in fact meaningless. Fix arch/arm to correctly use "Hz", thereby acknowledging Heinrich Hertz' contribution to the modern world. Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
105 lines
2.3 KiB
C
105 lines
2.3 KiB
C
/*
|
|
* 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");
|
|
pxa_set_ffuart_info(NULL);
|
|
pxa_set_btuart_info(NULL);
|
|
pxa_set_stuart_info(NULL);
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
}
|
|
|
|
/* Maintainer - Michael Petchkovsky <mkpetch@internode.on.net> */
|
|
MACHINE_START(NEC_MP900, "MobilePro900/C")
|
|
.atag_offset = 0x220100,
|
|
.init_time = pxa_timer_init,
|
|
.map_io = pxa25x_map_io,
|
|
.nr_irqs = PXA_NR_IRQS,
|
|
.init_irq = pxa25x_init_irq,
|
|
.handle_irq = pxa25x_handle_irq,
|
|
.init_machine = mp900c_init,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|
|
|