1*91f16700Schasinglulu/' 2*91f16700Schasinglulu ' Copyright (c) 2022, Arm Limited. All rights reserved. 3*91f16700Schasinglulu ' 4*91f16700Schasinglulu ' SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu '/ 6*91f16700Schasinglulu 7*91f16700Schasinglulu/' 8*91f16700SchasingluluTF-A EL3 SPMC Data Flow Diagram 9*91f16700Schasinglulu'/ 10*91f16700Schasinglulu 11*91f16700Schasinglulu@startuml 12*91f16700Schasingluludigraph tfa_el3_dfd { 13*91f16700Schasinglulu 14*91f16700Schasinglulu # Allow arrows to end on cluster boundaries 15*91f16700Schasinglulu compound=true 16*91f16700Schasinglulu concentrate=false 17*91f16700Schasinglulu newrank=true 18*91f16700Schasinglulu 19*91f16700Schasinglulu # Default settings for edges and nodes 20*91f16700Schasinglulu edge [minlen=2 color="#8c1b07"] 21*91f16700Schasinglulu node [fillcolor="#ffb866" style=filled shape=box fixedsize=true width=1.6 height=0.7] 22*91f16700Schasinglulu 23*91f16700Schasinglulu # Nodes outside of the trust boundary 24*91f16700Schasinglulu nsec [label="NS Client"] 25*91f16700Schasinglulu ddr [label="External memory (DDR)"] 26*91f16700Schasinglulu 27*91f16700Schasinglulu {rank="same" smmu, spmd} 28*91f16700Schasinglulu # Trust boundary cluster 29*91f16700Schasinglulu subgraph cluster_trusted { 30*91f16700Schasinglulu graph [style=dashed color="#f22430"] 31*91f16700Schasinglulu concentrate=false 32*91f16700Schasinglulu 33*91f16700Schasinglulu # HW IPs cluster 34*91f16700Schasinglulu subgraph cluster_ip { 35*91f16700Schasinglulu label ="Hardware IPs"; 36*91f16700Schasinglulu graph [style=filled color="#000000" fillcolor="#ffd29e"] 37*91f16700Schasinglulu 38*91f16700Schasinglulu rank="same" 39*91f16700Schasinglulu gic [label="GIC" width=1.2 height=0.5] 40*91f16700Schasinglulu smmu [label="SMMU" width=1.2 height=0.5] 41*91f16700Schasinglulu uart [label="UART" width=1.2 height=0.5] 42*91f16700Schasinglulu pe [label="PE" width=1.2 height=0.5] 43*91f16700Schasinglulu } 44*91f16700Schasinglulu 45*91f16700Schasinglulu # TF-A cluster 46*91f16700Schasinglulu subgraph cluster_tfa { 47*91f16700Schasinglulu label ="EL3 monitor"; 48*91f16700Schasinglulu graph [style=filled color="#000000" fillcolor="#faf9cd"] 49*91f16700Schasinglulu {rank="same" spmc, bl31} 50*91f16700Schasinglulu {rank="same" spmd, lsp} 51*91f16700Schasinglulu spmc [label="SPMC" fillcolor="#ddffb3"] 52*91f16700Schasinglulu bl31 [label="BL31" fillcolor="#ddffb3"]; 53*91f16700Schasinglulu spmd [label="SPMD" fillcolor="#ddffb3"] 54*91f16700Schasinglulu lsp[label="LSP1" fillcolor="#ddffb3"] 55*91f16700Schasinglulu } 56*91f16700Schasinglulu bl2 [label="BL2" width=1.2 height=0.5] 57*91f16700Schasinglulu } 58*91f16700Schasinglulu 59*91f16700Schasinglulu # Secure Partitions cluster 60*91f16700Schasinglulu subgraph cluster_sp { 61*91f16700Schasinglulu label ="Secure Partitions"; 62*91f16700Schasinglulu graph [style=filled color="#000000" fillcolor="#faf9cd"] 63*91f16700Schasinglulu 64*91f16700Schasinglulu sp1 [label="SP1" fillcolor="#ddffb3"] 65*91f16700Schasinglulu } 66*91f16700Schasinglulu 67*91f16700Schasinglulu sp1 -> spmc [dir="both" label="DF1"] 68*91f16700Schasinglulu lsp -> spmc [dir="both" label="DF4"] 69*91f16700Schasinglulu spmc -> spmd [dir="both" label="DF2"] 70*91f16700Schasinglulu spmd -> nsec [dir="both" label="DF3"] 71*91f16700Schasinglulu spmc -> smmu [lhead=cluster_spmc label="DF5"] 72*91f16700Schasinglulu bl2 -> spmc [lhead=cluster_spmc label="DF6"] 73*91f16700Schasinglulu bl2 -> sp1 [lhead=cluster_spmc label="DF6"] 74*91f16700Schasinglulu sp1 -> ddr [dir="both" label="DF7"] 75*91f16700Schasinglulu spmc -> ddr [dir="both" label="DF7"] 76*91f16700Schasinglulu} 77*91f16700Schasinglulu 78*91f16700Schasinglulu@enduml 79