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/*
* xen/arch/arm/platforms/xilinx-zynqmp.c
*
* Xilinx ZynqMP setup
*
* Copyright (c) 2016 Xilinx Inc.
* Written by Edgar E. Iglesias <edgar.iglesias@xilinx.com>
*
* 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 <asm/platform.h>
#include <asm/platforms/xilinx-zynqmp-eemi.h>
#include <asm/smccc.h>
static const char * const zynqmp_dt_compat[] __initconst =
{
"xlnx,zynqmp",
NULL
};
static bool zynqmp_smc(struct cpu_user_regs *regs)
{
/*
* ZynqMP firmware is based on SMCCC 1.1. If SMCCC 1.1 is not
* available something is wrong, don't try to handle it.
*/
if ( !cpus_have_const_cap(ARM_SMCCC_1_1) )
{
printk_once(XENLOG_WARNING
"ZynqMP firmware Error: no SMCCC 1.1 support. Disabling firmware calls\n");
return false;
}
return zynqmp_eemi(regs);
}
PLATFORM_START(xilinx_zynqmp, "Xilinx ZynqMP")
.compatible = zynqmp_dt_compat,
.smc = zynqmp_smc,
PLATFORM_END
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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