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/*
* Copyright (c) 2012, ARM Limited. All rights reserved.
*
* Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and
* the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its
* contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*/
#include "misc.h"
#include "virt_helpers.h"
#include "hyp_types.h"
void enable_cci_snoops(unsigned cluster_id)
{
/* Turn off CCI snoops & DVM Messages */
if (cluster_id)
write32(A7_SL_IFACE_BASE + SNOOP_CTLR_REG, 0x3);
else
write32(A15_SL_IFACE_BASE + SNOOP_CTLR_REG, 0x3);
dsb();
/* Wait for the dust to settle down */
while (read32(CCI_BASE + STATUS_REG) & 0x1) ;
return;
}
void disable_cci_snoops(unsigned cluster_id)
{
/* Turn off CCI snoops & DVM messages */
if (cluster_id)
write32(A7_SL_IFACE_BASE + SNOOP_CTLR_REG, 0x0);
else
write32(A15_SL_IFACE_BASE + SNOOP_CTLR_REG, 0x0);
dsb();
/* Wait for the dust to settle down */
while (read32(CCI_BASE + STATUS_REG) & 0x1) ;
return;
}
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