WSL2-Linux-Kernel/arch/arm/plat-iop/setup.c

40 строки
1.1 KiB
C

/*
* arch/arm/plat-iop/setup.c
*
* Author: Nicolas Pitre <nico@fluxnic.net>
* Copyright (C) 2001 MontaVista Software, Inc.
* Copyright (C) 2004 Intel Corporation.
*
* 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/mm.h>
#include <linux/init.h>
#include <asm/mach/map.h>
#include <asm/hardware/iop3xx.h>
/*
* Standard IO mapping for all IOP3xx based systems. Note that
* the IOP3xx OCCDR must be mapped uncached and unbuffered.
*/
static struct map_desc iop3xx_std_desc[] __initdata = {
{ /* mem mapped registers */
.virtual = IOP3XX_PERIPHERAL_VIRT_BASE,
.pfn = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE),
.length = IOP3XX_PERIPHERAL_SIZE,
.type = MT_UNCACHED,
}, { /* PCI IO space */
.virtual = IOP3XX_PCI_LOWER_IO_VA,
.pfn = __phys_to_pfn(IOP3XX_PCI_LOWER_IO_PA),
.length = IOP3XX_PCI_IO_WINDOW_SIZE,
.type = MT_DEVICE,
},
};
void __init iop3xx_map_io(void)
{
iotable_init(iop3xx_std_desc, ARRAY_SIZE(iop3xx_std_desc));
}