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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <device/mmio.h>
#include <soc/trustzone.h>
/* Setting TZPC[TrustZone Protection Controller]
* We pretty much disable it all, as the kernel
* expects it that way -- and that's not the default.
*/
void trustzone_init(void)
{
struct exynos_tzpc *tzpc;
unsigned int addr;
for (addr = TZPC10_BASE; addr <= TZPC9_BASE; addr += TZPC_BASE_OFFSET) {
tzpc = (struct exynos_tzpc *)addr;
if (addr == TZPC0_BASE)
write32(&tzpc->r0size, R0SIZE);
write32(&tzpc->decprot0set, DECPROTXSET);
write32(&tzpc->decprot1set, DECPROTXSET);
write32(&tzpc->decprot2set, DECPROTXSET);
write32(&tzpc->decprot3set, DECPROTXSET);
}
}
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