/* * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef ARM_PAS_DEF_H #define ARM_PAS_DEF_H #include #include /***************************************************************************** * PAS regions used to initialize the Granule Protection Table (GPT) ****************************************************************************/ /* * The PA space is initially mapped in the GPT as follows: * * ============================================================================ * Base Addr| Size |L? GPT|PAS |Content |Comment * ============================================================================ * 0GB | 1GB |L0 GPT|ANY |TBROM (EL3 code) |Fixed mapping * | | | |TSRAM (EL3 data) | * | | | |IO (incl.UARTs & GIC) | * ---------------------------------------------------------------------------- * 1GB | 1GB |L0 GPT|ANY |IO |Fixed mapping * ---------------------------------------------------------------------------- * 2GB | 1GB |L1 GPT|NS |DRAM (NS Kernel) |Use T.Descrip * ---------------------------------------------------------------------------- * 3GB |1GB-64MB |L1 GPT|NS |DRAM (NS Kernel) |Use T.Descrip * ---------------------------------------------------------------------------- * 4GB-64MB |64MB-32MB | | | | * | -4MB |L1 GPT|SECURE|DRAM TZC |Use T.Descrip * ---------------------------------------------------------------------------- * 4GB-32MB | | | | | * -3MB-1MB |32MB |L1 GPT|REALM |RMM |Use T.Descrip * ---------------------------------------------------------------------------- * 4GB-3MB | | | | | * -1MB |3MB |L1 GPT|ROOT |EL3 DRAM data |Use T.Descrip * ---------------------------------------------------------------------------- * 4GB-1MB |1MB |L1 GPT|ROOT |DRAM (L1 GPTs, SCP TZC) |Fixed mapping * ============================================================================ * * - 4KB of L0 GPT reside in TSRAM, on top of the CONFIG section. * - ~1MB of L1 GPTs reside at the top of DRAM1 (TZC area). * - The first 1GB region has GPT_GPI_ANY and, therefore, is not protected by * the GPT. * - The DRAM TZC area is split into three regions: the L1 GPT region and * 3MB of region below that are defined as GPT_GPI_ROOT, 32MB Realm region * below that is defined as GPT_GPI_REALM and the rest of it is defined as * GPT_GPI_SECURE. */ /* TODO: This might not be the best way to map the PAS */ /* Device memory 0 to 2GB */ #define ARM_PAS_1_BASE (U(0)) #define ARM_PAS_1_SIZE ((ULL(1)<<31)) /* 2GB */ /* NS memory 2GB to (end - 64MB) */ #define ARM_PAS_2_BASE (ARM_PAS_1_BASE + ARM_PAS_1_SIZE) #define ARM_PAS_2_SIZE (ARM_NS_DRAM1_SIZE) /* Secure TZC region */ #define ARM_PAS_3_BASE (ARM_AP_TZC_DRAM1_BASE) #define ARM_PAS_3_SIZE (ARM_AP_TZC_DRAM1_SIZE) #define ARM_PAS_GPI_ANY MAP_GPT_REGION(ARM_PAS_1_BASE, \ ARM_PAS_1_SIZE, \ GPT_GPI_ANY) #define ARM_PAS_KERNEL GPT_MAP_REGION_GRANULE(ARM_PAS_2_BASE, \ ARM_PAS_2_SIZE, \ GPT_GPI_NS) #define ARM_PAS_SECURE GPT_MAP_REGION_GRANULE(ARM_PAS_3_BASE, \ ARM_PAS_3_SIZE, \ GPT_GPI_SECURE) #define ARM_PAS_REALM GPT_MAP_REGION_GRANULE(ARM_REALM_BASE, \ ARM_REALM_SIZE, \ GPT_GPI_REALM) #define ARM_PAS_EL3_DRAM GPT_MAP_REGION_GRANULE(ARM_EL3_TZC_DRAM1_BASE, \ ARM_EL3_TZC_DRAM1_SIZE, \ GPT_GPI_ROOT) #define ARM_PAS_GPTS GPT_MAP_REGION_GRANULE(ARM_L1_GPT_ADDR_BASE, \ ARM_L1_GPT_SIZE, \ GPT_GPI_ROOT) /* GPT Configuration options */ #define PLATFORM_L0GPTSZ GPCCR_L0GPTSZ_30BITS #endif /* ARM_PAS_DEF_H */