1*85135283SDan Handley /* 2*85135283SDan Handley * Copyright (c) 2014-2015, ARM Limited and Contributors. All rights reserved. 3*85135283SDan Handley * 4*85135283SDan Handley * Redistribution and use in source and binary forms, with or without 5*85135283SDan Handley * modification, are permitted provided that the following conditions are met: 6*85135283SDan Handley * 7*85135283SDan Handley * Redistributions of source code must retain the above copyright notice, this 8*85135283SDan Handley * list of conditions and the following disclaimer. 9*85135283SDan Handley * 10*85135283SDan Handley * Redistributions in binary form must reproduce the above copyright notice, 11*85135283SDan Handley * this list of conditions and the following disclaimer in the documentation 12*85135283SDan Handley * and/or other materials provided with the distribution. 13*85135283SDan Handley * 14*85135283SDan Handley * Neither the name of ARM nor the names of its contributors may be used 15*85135283SDan Handley * to endorse or promote products derived from this software without specific 16*85135283SDan Handley * prior written permission. 17*85135283SDan Handley * 18*85135283SDan Handley * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19*85135283SDan Handley * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20*85135283SDan Handley * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21*85135283SDan Handley * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22*85135283SDan Handley * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23*85135283SDan Handley * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24*85135283SDan Handley * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25*85135283SDan Handley * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26*85135283SDan Handley * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27*85135283SDan Handley * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28*85135283SDan Handley * POSSIBILITY OF SUCH DAMAGE. 29*85135283SDan Handley */ 30*85135283SDan Handley 31*85135283SDan Handley #include <mmio.h> 32*85135283SDan Handley #include <plat_arm.h> 33*85135283SDan Handley #include <soc_css.h> 34*85135283SDan Handley #include "juno_def.h" 35*85135283SDan Handley 36*85135283SDan Handley 37*85135283SDan Handley /******************************************************************************* 38*85135283SDan Handley * Set up the MMU-401 SSD tables. The power-on configuration has all stream IDs 39*85135283SDan Handley * assigned to Non-Secure except some for the DMA-330. Assign those back to the 40*85135283SDan Handley * Non-Secure world as well, otherwise EL1 may end up erroneously generating 41*85135283SDan Handley * (untranslated) Secure transactions if it turns the SMMU on. 42*85135283SDan Handley ******************************************************************************/ 43*85135283SDan Handley static void init_mmu401(void) 44*85135283SDan Handley { 45*85135283SDan Handley uint32_t reg = mmio_read_32(MMU401_DMA330_BASE + MMU401_SSD_OFFSET); 46*85135283SDan Handley reg |= 0x1FF; 47*85135283SDan Handley mmio_write_32(MMU401_DMA330_BASE + MMU401_SSD_OFFSET, reg); 48*85135283SDan Handley } 49*85135283SDan Handley 50*85135283SDan Handley /******************************************************************************* 51*85135283SDan Handley * Initialize the secure environment. 52*85135283SDan Handley ******************************************************************************/ 53*85135283SDan Handley void plat_arm_security_setup(void) 54*85135283SDan Handley { 55*85135283SDan Handley /* Initialize the TrustZone Controller */ 56*85135283SDan Handley arm_tzc_setup(); 57*85135283SDan Handley /* Do ARM CSS SoC security setup */ 58*85135283SDan Handley soc_css_security_setup(); 59*85135283SDan Handley /* Initialize the SMMU SSD tables*/ 60*85135283SDan Handley init_mmu401(); 61*85135283SDan Handley } 62