| Juan Castillo | 6b672f5 | 2014-09-04 14:43:09 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * Redistributions of source code must retain the above copyright notice, this |
| 8 | * list of conditions and the following disclaimer. |
| 9 | * |
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * Neither the name of ARM nor the names of its contributors may be used |
| 15 | * to endorse or promote products derived from this software without specific |
| 16 | * prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | #include <debug.h> |
| 32 | #include <tzc400.h> |
| 33 | #include "juno_def.h" |
| 34 | |
| 35 | /******************************************************************************* |
| 36 | * Initialize the TrustZone Controller. Configure Region 0 with Secure RW access |
| 37 | * and allow Non-Secure masters full access |
| 38 | ******************************************************************************/ |
| 39 | static void init_tzc400(void) |
| 40 | { |
| 41 | tzc_init(TZC400_BASE); |
| 42 | |
| 43 | /* Disable filters. */ |
| 44 | tzc_disable_filters(); |
| 45 | |
| 46 | /* Configure region 0. Juno TZC-400 handles 40-bit addresses. */ |
| 47 | tzc_configure_region(0xf, 0, 0x0ull, 0xffffffffffull, |
| 48 | TZC_REGION_S_RDWR, |
| 49 | TZC_REGION_ACCESS_RDWR(TZC400_NSAID_CCI400) | |
| 50 | TZC_REGION_ACCESS_RDWR(TZC400_NSAID_PCIE) | |
| 51 | TZC_REGION_ACCESS_RDWR(TZC400_NSAID_HDLCD0) | |
| 52 | TZC_REGION_ACCESS_RDWR(TZC400_NSAID_HDLCD1) | |
| 53 | TZC_REGION_ACCESS_RDWR(TZC400_NSAID_USB) | |
| 54 | TZC_REGION_ACCESS_RDWR(TZC400_NSAID_DMA330) | |
| 55 | TZC_REGION_ACCESS_RDWR(TZC400_NSAID_THINLINKS) | |
| 56 | TZC_REGION_ACCESS_RDWR(TZC400_NSAID_AP) | |
| 57 | TZC_REGION_ACCESS_RDWR(TZC400_NSAID_GPU) | |
| 58 | TZC_REGION_ACCESS_RDWR(TZC400_NSAID_SCP) | |
| 59 | TZC_REGION_ACCESS_RDWR(TZC400_NSAID_CORESIGHT)); |
| 60 | |
| 61 | /* Raise an exception if a NS device tries to access secure memory */ |
| 62 | tzc_set_action(TZC_ACTION_ERR); |
| 63 | |
| 64 | /* Enable filters. */ |
| 65 | tzc_enable_filters(); |
| 66 | } |
| 67 | |
| 68 | /******************************************************************************* |
| 69 | * Initialize the secure environment. At this moment only the TrustZone |
| 70 | * Controller is initialized. |
| 71 | ******************************************************************************/ |
| 72 | void plat_security_setup(void) |
| 73 | { |
| 74 | /* Initialize the TrustZone Controller */ |
| 75 | init_tzc400(); |
| 76 | } |