blob: 320a0cf351365a97f56d5b4c41325d165fecac9d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Lowlevel setup for SMDK5250 board based on S5PC520
*
* Copyright (C) 2012 Samsung Electronics
*/
#include <mach/cpu.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);
}
}
|
