2 * Lowlevel setup for SMDK5250 board based on S5PC520
4 * Copyright (C) 2012 Samsung Electronics
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #include <asm/arch/tzpc.h>
29 /* Setting TZPC[TrustZone Protection Controller] */
32 struct exynos_tzpc *tzpc;
33 unsigned int addr, start = 0, end = 0;
35 start = samsung_get_base_tzpc();
38 end = start + ((EXYNOS5_NR_TZPC_BANKS - 1) * TZPC_BASE_OFFSET);
39 else if (cpu_is_exynos4())
40 end = start + ((EXYNOS4_NR_TZPC_BANKS - 1) * TZPC_BASE_OFFSET);
42 for (addr = start; addr <= end; addr += TZPC_BASE_OFFSET) {
43 tzpc = (struct exynos_tzpc *)addr;
46 writel(R0SIZE, &tzpc->r0size);
48 writel(DECPROTXSET, &tzpc->decprot0set);
49 writel(DECPROTXSET, &tzpc->decprot1set);
51 if (cpu_is_exynos5() && (addr == end))
54 writel(DECPROTXSET, &tzpc->decprot2set);
55 writel(DECPROTXSET, &tzpc->decprot3set);