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Diffstat (limited to '')
| -rw-r--r-- | plat/rpi/rpi4/platform.mk | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/plat/rpi/rpi4/platform.mk b/plat/rpi/rpi4/platform.mk new file mode 100644 index 0000000..528eb1d --- /dev/null +++ b/plat/rpi/rpi4/platform.mk @@ -0,0 +1,116 @@ +# +# Copyright (c) 2013-2021, ARM Limited and Contributors. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +include lib/libfdt/libfdt.mk +include lib/xlat_tables_v2/xlat_tables.mk + +include drivers/arm/gic/v2/gicv2.mk + +PLAT_INCLUDES := -Iplat/rpi/common/include \ + -Iplat/rpi/rpi4/include + +PLAT_BL_COMMON_SOURCES := drivers/ti/uart/aarch64/16550_console.S \ + drivers/arm/pl011/aarch64/pl011_console.S \ + plat/rpi/common/rpi3_common.c \ + ${XLAT_TABLES_LIB_SRCS} + +BL31_SOURCES += lib/cpus/aarch64/cortex_a72.S \ + plat/rpi/common/aarch64/plat_helpers.S \ + plat/rpi/rpi4/aarch64/armstub8_header.S \ + drivers/delay_timer/delay_timer.c \ + drivers/gpio/gpio.c \ + drivers/rpi3/gpio/rpi3_gpio.c \ + plat/common/plat_gicv2.c \ + plat/rpi/rpi4/rpi4_bl31_setup.c \ + plat/rpi/common/rpi3_pm.c \ + plat/common/plat_psci_common.c \ + plat/rpi/common/rpi3_topology.c \ + common/fdt_fixup.c \ + ${LIBFDT_SRCS} \ + ${GICV2_SOURCES} + +# For now we only support BL31, using the kernel loaded by the GPU firmware. +RESET_TO_BL31 := 1 + +# All CPUs enter armstub8.bin. +COLD_BOOT_SINGLE_CPU := 0 + +# Tune compiler for Cortex-A72 +ifeq ($(notdir $(CC)),armclang) + TF_CFLAGS_aarch64 += -mcpu=cortex-a72 +else ifneq ($(findstring clang,$(notdir $(CC))),) + TF_CFLAGS_aarch64 += -mcpu=cortex-a72 +else + TF_CFLAGS_aarch64 += -mtune=cortex-a72 +endif + +# Add support for platform supplied linker script for BL31 build +$(eval $(call add_define,PLAT_EXTRA_LD_SCRIPT)) + +# Enable all errata workarounds for Cortex-A72 +ERRATA_A72_859971 := 1 + +WORKAROUND_CVE_2017_5715 := 1 + +# Add new default target when compiling this platform +all: bl31 + +# Build config flags +# ------------------ + +# Disable stack protector by default +ENABLE_STACK_PROTECTOR := 0 + +# Have different sections for code and rodata +SEPARATE_CODE_AND_RODATA := 1 + +# Use Coherent memory +USE_COHERENT_MEM := 1 + +# Platform build flags +# -------------------- + +# There is not much else than a Linux kernel to load at the moment. +RPI3_DIRECT_LINUX_BOOT := 1 + +# BL33 images are in AArch64 by default +RPI3_BL33_IN_AARCH32 := 0 + +# UART to use at runtime. -1 means the runtime UART is disabled. +# Any other value means the default UART will be used. +RPI3_RUNTIME_UART := 0 + +# Use normal memory mapping for ROM, FIP, SRAM and DRAM +RPI3_USE_UEFI_MAP := 0 + +# SMCCC PCI support (should be enabled for ACPI builds) +SMC_PCI_SUPPORT := 0 + +# Process platform flags +# ---------------------- + +$(eval $(call add_define,RPI3_BL33_IN_AARCH32)) +$(eval $(call add_define,RPI3_DIRECT_LINUX_BOOT)) +ifdef RPI3_PRELOADED_DTB_BASE +$(eval $(call add_define,RPI3_PRELOADED_DTB_BASE)) +endif +$(eval $(call add_define,RPI3_RUNTIME_UART)) +$(eval $(call add_define,RPI3_USE_UEFI_MAP)) +$(eval $(call add_define,SMC_PCI_SUPPORT)) + +ifeq (${ARCH},aarch32) + $(error Error: AArch32 not supported on rpi4) +endif + +ifneq ($(ENABLE_STACK_PROTECTOR), 0) +PLAT_BL_COMMON_SOURCES += drivers/rpi3/rng/rpi3_rng.c \ + plat/rpi/common/rpi3_stack_protector.c +endif + +ifeq ($(SMC_PCI_SUPPORT), 1) +BL31_SOURCES += plat/rpi/rpi4/rpi4_pci_svc.c +endif + |