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 } 27