u-boot/arch/arm/mach-exynos/tzpc.c
Thomas Abraham 77b55e8cfc ARM: exynos: move SoC sources to mach-exynos
Move arch/arm/cpu/armv7/exynos/* to arch/arm/mach-exynos/* to allow
reuse of existing code for ARMv8 based Exynos platforms.

Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Przemyslaw Marczak <p.marczak@samsung.com>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
2015-08-17 13:06:52 +09:00

42 lines
962 B
C

/*
* Lowlevel setup for SMDK5250 board based on S5PC520
*
* Copyright (C) 2012 Samsung Electronics
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/tzpc.h>
#include <asm/io.h>
/* 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);
}
}