1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Lowlevel setup for SMDK5250 board based on S5PC520 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 2012 Samsung Electronics 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <common.h> 10*4882a593Smuzhiyun #include <asm/arch/tzpc.h> 11*4882a593Smuzhiyun #include <asm/io.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun /* Setting TZPC[TrustZone Protection Controller] */ tzpc_init(void)14*4882a593Smuzhiyunvoid tzpc_init(void) 15*4882a593Smuzhiyun { 16*4882a593Smuzhiyun struct exynos_tzpc *tzpc; 17*4882a593Smuzhiyun unsigned int addr, start = 0, end = 0; 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun start = samsung_get_base_tzpc(); 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun if (cpu_is_exynos5()) 22*4882a593Smuzhiyun end = start + ((EXYNOS5_NR_TZPC_BANKS - 1) * TZPC_BASE_OFFSET); 23*4882a593Smuzhiyun else if (cpu_is_exynos4()) 24*4882a593Smuzhiyun end = start + ((EXYNOS4_NR_TZPC_BANKS - 1) * TZPC_BASE_OFFSET); 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun for (addr = start; addr <= end; addr += TZPC_BASE_OFFSET) { 27*4882a593Smuzhiyun tzpc = (struct exynos_tzpc *)addr; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun if (addr == start) 30*4882a593Smuzhiyun writel(R0SIZE, &tzpc->r0size); 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun writel(DECPROTXSET, &tzpc->decprot0set); 33*4882a593Smuzhiyun writel(DECPROTXSET, &tzpc->decprot1set); 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun if (cpu_is_exynos5() && (addr == end)) 36*4882a593Smuzhiyun break; 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun writel(DECPROTXSET, &tzpc->decprot2set); 39*4882a593Smuzhiyun writel(DECPROTXSET, &tzpc->decprot3set); 40*4882a593Smuzhiyun } 41*4882a593Smuzhiyun } 42