xref: /openbmc/u-boot/arch/arm/cpu/armv7/sunxi/tzpc.c (revision 9c71a21d)
1 /*
2  * (C) Copyright 2015 Chen-Yu Tsai <wens@csie.org>
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <asm/io.h>
8 #include <asm/arch/cpu.h>
9 #include <asm/arch/tzpc.h>
10 
11 /* Configure Trust Zone Protection Controller */
12 void tzpc_init(void)
13 {
14 	struct sunxi_tzpc *tzpc = (struct sunxi_tzpc *)SUNXI_TZPC_BASE;
15 
16 	/* Enable non-secure access to the RTC */
17 	writel(SUNXI_TZPC_DECPORT0_RTC, &tzpc->decport0_set);
18 }
19