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