1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright (C) 2017, Fuzhou Rockchip Electronics Co., Ltd. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <initcall.h> 30 #include <io.h> 31 #include <mm/core_memprot.h> 32 #include <platform_config.h> 33 #include <stdint.h> 34 35 #if defined(PLATFORM_FLAVOR_rk322x) 36 37 #define SGRF_SOC_CON(n) ((n) * 4) 38 #define DDR_SGRF_DDR_CON(n) ((n) * 4) 39 #define DDR_RGN0_NS BIT32(30) 40 #define SLAVE_ALL_NS 0xffff0000 41 42 static TEE_Result platform_init(void) 43 { 44 vaddr_t sgrf_base = (vaddr_t)phys_to_virt_io(SGRF_BASE); 45 vaddr_t ddrsgrf_base = (vaddr_t)phys_to_virt_io(DDRSGRF_BASE); 46 47 /* Set rgn0 non-secure */ 48 write32(DDR_RGN0_NS, ddrsgrf_base + DDR_SGRF_DDR_CON(0)); 49 50 /* Initialize all slave non-secure */ 51 write32(SLAVE_ALL_NS, sgrf_base + SGRF_SOC_CON(7)); 52 write32(SLAVE_ALL_NS, sgrf_base + SGRF_SOC_CON(8)); 53 write32(SLAVE_ALL_NS, sgrf_base + SGRF_SOC_CON(9)); 54 write32(SLAVE_ALL_NS, sgrf_base + SGRF_SOC_CON(10)); 55 56 return TEE_SUCCESS; 57 } 58 59 #endif 60 61 service_init(platform_init); 62