41 lines
959 B
C
41 lines
959 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Lowlevel setup for SMDK5250 board based on S5PC520
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*
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* Copyright (C) 2012 Samsung Electronics
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*/
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#include <common.h>
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#include <asm/arch/tzpc.h>
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#include <asm/io.h>
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/* Setting TZPC[TrustZone Protection Controller] */
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void tzpc_init(void)
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{
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struct exynos_tzpc *tzpc;
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unsigned int addr, start = 0, end = 0;
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start = samsung_get_base_tzpc();
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if (cpu_is_exynos5())
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end = start + ((EXYNOS5_NR_TZPC_BANKS - 1) * TZPC_BASE_OFFSET);
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else if (cpu_is_exynos4())
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end = start + ((EXYNOS4_NR_TZPC_BANKS - 1) * TZPC_BASE_OFFSET);
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for (addr = start; addr <= end; addr += TZPC_BASE_OFFSET) {
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tzpc = (struct exynos_tzpc *)addr;
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if (addr == start)
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writel(R0SIZE, &tzpc->r0size);
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writel(DECPROTXSET, &tzpc->decprot0set);
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writel(DECPROTXSET, &tzpc->decprot1set);
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if (cpu_is_exynos5() && (addr == end))
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break;
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writel(DECPROTXSET, &tzpc->decprot2set);
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writel(DECPROTXSET, &tzpc->decprot3set);
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}
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}
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