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/*
* xen/arch/arm/platforms/midway.c
*
* Calxeda Midway specific settings
*
* Andre Przywara <andre.przywara@linaro.org>
* Copyright (c) 2013 Linaro Limited.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <xen/mm.h>
#include <xen/vmap.h>
#include <asm/platforms/midway.h>
#include <asm/platform.h>
#include <asm/io.h>
static void midway_reset(void)
{
void __iomem *pmu;
BUILD_BUG_ON((MW_SREG_PWR_REQ & PAGE_MASK) !=
(MW_SREG_A15_PWR_CTRL & PAGE_MASK));
pmu = ioremap_nocache(MW_SREG_PWR_REQ & PAGE_MASK, PAGE_SIZE);
if ( !pmu )
{
dprintk(XENLOG_ERR, "Unable to map PMU\n");
return;
}
writel(MW_PWR_HARD_RESET, pmu + (MW_SREG_PWR_REQ & ~PAGE_MASK));
writel(1, pmu + (MW_SREG_A15_PWR_CTRL & ~PAGE_MASK));
iounmap(pmu);
}
static const char * const midway_dt_compat[] __initconst =
{
"calxeda,ecx-2000",
NULL
};
PLATFORM_START(midway, "CALXEDA MIDWAY")
.compatible = midway_dt_compat,
.reset = midway_reset,
PLATFORM_END
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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