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/*
* Lowlevel setup for SMDK5250 board based on S5PC520
*
* Copyright (C) 2012 Samsung Electronics
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#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);
}
}
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