From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001 From: Angelos Mouzakitis Date: Tue, 10 Oct 2023 14:33:42 +0000 Subject: Add submodule dependency files Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec --- roms/u-boot/arch/arm/mach-exynos/tzpc.c | 40 +++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 roms/u-boot/arch/arm/mach-exynos/tzpc.c (limited to 'roms/u-boot/arch/arm/mach-exynos/tzpc.c') diff --git a/roms/u-boot/arch/arm/mach-exynos/tzpc.c b/roms/u-boot/arch/arm/mach-exynos/tzpc.c new file mode 100644 index 000000000..abe8e7f45 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-exynos/tzpc.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Lowlevel setup for SMDK5250 board based on S5PC520 + * + * Copyright (C) 2012 Samsung Electronics + */ + +#include +#include +#include + +/* Setting TZPC[TrustZone Protection Controller] */ +void tzpc_init(void) +{ + struct exynos_tzpc *tzpc; + unsigned int addr, start = 0, end = 0; + + start = samsung_get_base_tzpc(); + + if (cpu_is_exynos5()) + end = start + ((EXYNOS5_NR_TZPC_BANKS - 1) * TZPC_BASE_OFFSET); + else if (cpu_is_exynos4()) + end = start + ((EXYNOS4_NR_TZPC_BANKS - 1) * TZPC_BASE_OFFSET); + + for (addr = start; addr <= end; addr += TZPC_BASE_OFFSET) { + tzpc = (struct exynos_tzpc *)addr; + + if (addr == start) + writel(R0SIZE, &tzpc->r0size); + + writel(DECPROTXSET, &tzpc->decprot0set); + writel(DECPROTXSET, &tzpc->decprot1set); + + if (cpu_is_exynos5() && (addr == end)) + break; + + writel(DECPROTXSET, &tzpc->decprot2set); + writel(DECPROTXSET, &tzpc->decprot3set); + } +} -- cgit 1.2.3-korg