git.sur5r.net Git - u-boot/blob - arch/arm/cpu/armv7/sunxi/tzpc.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2015 Chen-Yu Tsai <wens@csie.org>
   4  */
   5
   6 #include <asm/io.h>
   7 #include <asm/arch/cpu.h>
   8 #include <asm/arch/tzpc.h>
   9
  10 /* Configure Trust Zone Protection Controller */
  11 void tzpc_init(void)
  12 {
  13         struct sunxi_tzpc *tzpc = (struct sunxi_tzpc *)SUNXI_TZPC_BASE;
  14
  15 #ifdef CONFIG_MACH_SUN6I
  16         /* Enable non-secure access to the RTC */
  17         writel(SUN6I_TZPC_DECPORT0_RTC, &tzpc->decport0_set);
  18 #endif
  19
  20 #ifdef CONFIG_MACH_SUN8I_H3
  21         /* Enable non-secure access to all peripherals */
  22         writel(SUN8I_H3_TZPC_DECPORT0_ALL, &tzpc->decport0_set);
  23         writel(SUN8I_H3_TZPC_DECPORT1_ALL, &tzpc->decport1_set);
  24         writel(SUN8I_H3_TZPC_DECPORT2_ALL, &tzpc->decport2_set);
  25 #endif
  26 }