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 #ifdef CONFIG_MACH_SUN6I 17 /* Enable non-secure access to the RTC */ 18 writel(SUN6I_TZPC_DECPORT0_RTC, &tzpc->decport0_set); 19 #endif 20 21 #ifdef CONFIG_MACH_SUN8I_H3 22 /* Enable non-secure access to all peripherals */ 23 writel(SUN8I_H3_TZPC_DECPORT0_ALL, &tzpc->decport0_set); 24 writel(SUN8I_H3_TZPC_DECPORT1_ALL, &tzpc->decport1_set); 25 writel(SUN8I_H3_TZPC_DECPORT2_ALL, &tzpc->decport2_set); 26 #endif 27 } 28