# Copyright (c) 2021 BayLibre SAS # SPDX-License-Identifier: Apache-2.0 # The GICv3 & ITS drivers allocation needs are: # - LPI prop table: global 1x64K aligned on 64K # - LPI pend table: for each redistributor/cpu 1x64K aligned on 64K # - Devices table: 128x4K aligned on 4K # - Interrupt Collections table: 1x4K aligned on 4K # # This makes 11x64K to permit all allocations to success. # # Note, will need 64K HEAP_MEM per CPUs added. # # This doesn't necessarily include the Interrupt Translation Table, which are # 256bytes aligned tables, for reference a 32 ITEs table needs 256bytes. # With 11x64K HEAP, up to 116 ITT tables of 32 ITEs can be allocated. config HEAP_MEM_POOL_ADD_SIZE_BOARD int default 720896 if GIC_V3_ITS