1# 2# Copyright (c) 2013-2024, Arm Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 6 7include lib/libfdt/libfdt.mk 8include lib/xlat_tables_v2/xlat_tables.mk 9 10include drivers/arm/gic/v2/gicv2.mk 11 12PLAT_INCLUDES := -Iplat/rpi/common/include \ 13 -Iplat/rpi/rpi4/include 14 15PLAT_BL_COMMON_SOURCES := drivers/ti/uart/aarch64/16550_console.S \ 16 drivers/arm/pl011/aarch64/pl011_console.S \ 17 plat/rpi/common/rpi3_common.c \ 18 ${XLAT_TABLES_LIB_SRCS} 19 20BL31_SOURCES += lib/cpus/aarch64/cortex_a72.S \ 21 plat/rpi/common/aarch64/plat_helpers.S \ 22 plat/rpi/common/aarch64/armstub8_header.S \ 23 drivers/delay_timer/delay_timer.c \ 24 drivers/gpio/gpio.c \ 25 drivers/rpi3/gpio/rpi3_gpio.c \ 26 plat/common/plat_gicv2.c \ 27 plat/rpi/common/rpi4_bl31_setup.c \ 28 plat/rpi/rpi4/rpi4_setup.c \ 29 plat/rpi/common/rpi3_pm.c \ 30 plat/common/plat_psci_common.c \ 31 plat/rpi/common/rpi3_topology.c \ 32 common/fdt_fixup.c \ 33 ${LIBFDT_SRCS} \ 34 ${GICV2_SOURCES} 35 36# For now we only support BL31, using the kernel loaded by the GPU firmware. 37RESET_TO_BL31 := 1 38 39# All CPUs enter armstub8.bin. 40COLD_BOOT_SINGLE_CPU := 0 41 42# Tune compiler for Cortex-A72 43ifeq ($($(ARCH)-cc-id),arm-clang) 44 TF_CFLAGS_aarch64 += -mcpu=cortex-a72 45else ifneq ($(filter %-clang,$($(ARCH)-cc-id)),) 46 TF_CFLAGS_aarch64 += -mcpu=cortex-a72 47else 48 TF_CFLAGS_aarch64 += -mtune=cortex-a72 49endif 50 51# Add support for platform supplied linker script for BL31 build 52$(eval $(call add_define,PLAT_EXTRA_LD_SCRIPT)) 53 54# Enable all errata workarounds for Cortex-A72 55ERRATA_A72_859971 := 1 56 57WORKAROUND_CVE_2017_5715 := 1 58 59# Add new default target when compiling this platform 60all: bl31 61 62# Build config flags 63# ------------------ 64 65# Disable stack protector by default 66ENABLE_STACK_PROTECTOR := 0 67 68# Have different sections for code and rodata 69SEPARATE_CODE_AND_RODATA := 1 70 71# Use Coherent memory 72USE_COHERENT_MEM := 1 73 74# Platform build flags 75# -------------------- 76 77# There is not much else than a Linux kernel to load at the moment. 78RPI3_DIRECT_LINUX_BOOT := 1 79 80# BL33 images are in AArch64 by default 81RPI3_BL33_IN_AARCH32 := 0 82 83# UART to use at runtime. -1 means the runtime UART is disabled. 84# Any other value means the default UART will be used. 85RPI3_RUNTIME_UART := 0 86 87# Use normal memory mapping for ROM, FIP, SRAM and DRAM 88RPI3_USE_UEFI_MAP := 0 89 90# SMCCC PCI support (should be enabled for ACPI builds) 91SMC_PCI_SUPPORT := 0 92 93# Process platform flags 94# ---------------------- 95 96$(eval $(call add_define,RPI3_BL33_IN_AARCH32)) 97$(eval $(call add_define,RPI3_DIRECT_LINUX_BOOT)) 98ifdef RPI3_PRELOADED_DTB_BASE 99$(eval $(call add_define,RPI3_PRELOADED_DTB_BASE)) 100endif 101$(eval $(call add_define,RPI3_RUNTIME_UART)) 102$(eval $(call add_define,RPI3_USE_UEFI_MAP)) 103$(eval $(call add_define,SMC_PCI_SUPPORT)) 104 105ifeq (${ARCH},aarch32) 106 $(error Error: AArch32 not supported on rpi4) 107endif 108 109ifneq ($(ENABLE_STACK_PROTECTOR), 0) 110PLAT_BL_COMMON_SOURCES += drivers/rpi3/rng/rpi3_rng.c \ 111 plat/rpi/common/rpi3_stack_protector.c 112endif 113 114ifeq ($(SMC_PCI_SUPPORT), 1) 115BL31_SOURCES += plat/rpi/rpi4/rpi4_pci_svc.c 116endif 117