| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #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); |
| } |
| } |