plat/rpi/rpi4/platform.mk

   1 #
   2 # Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
   3 #
   4 # SPDX-License-Identifier: BSD-3-Clause
   5 #
   6
   7 include lib/libfdt/libfdt.mk
   8 include lib/xlat_tables_v2/xlat_tables.mk
   9
  10 PLAT_INCLUDES           :=      -Iplat/rpi/common/include               \
  11                                 -Iplat/rpi/rpi4/include
  12
  13 PLAT_BL_COMMON_SOURCES  :=      drivers/ti/uart/aarch64/16550_console.S \
  14                                 plat/rpi/common/rpi3_common.c           \
  15                                 ${XLAT_TABLES_LIB_SRCS}
  16
  17 BL31_SOURCES            +=      lib/cpus/aarch64/cortex_a72.S           \
  18                                 plat/rpi/rpi4/aarch64/plat_helpers.S    \
  19                                 plat/rpi/rpi4/aarch64/armstub8_header.S \
  20                                 drivers/arm/gic/common/gic_common.c     \
  21                                 drivers/arm/gic/v2/gicv2_helpers.c      \
  22                                 drivers/arm/gic/v2/gicv2_main.c         \
  23                                 plat/common/plat_gicv2.c                \
  24                                 plat/rpi/rpi4/rpi4_bl31_setup.c         \
  25                                 plat/rpi/common/rpi3_pm.c               \
  26                                 plat/common/plat_psci_common.c          \
  27                                 plat/rpi/common/rpi3_topology.c         \
  28                                 ${LIBFDT_SRCS}
  29
  30 # For now we only support BL31, using the kernel loaded by the GPU firmware.
  31 RESET_TO_BL31           :=      1
  32
  33 # All CPUs enter armstub8.bin.
  34 COLD_BOOT_SINGLE_CPU    :=      0
  35
  36 # Tune compiler for Cortex-A72
  37 ifeq ($(notdir $(CC)),armclang)
  38     TF_CFLAGS_aarch64   +=      -mcpu=cortex-a72
  39 else ifneq ($(findstring clang,$(notdir $(CC))),)
  40     TF_CFLAGS_aarch64   +=      -mcpu=cortex-a72
  41 else
  42     TF_CFLAGS_aarch64   +=      -mtune=cortex-a72
  43 endif
  44
  45 # Add support for platform supplied linker script for BL31 build
  46 $(eval $(call add_define,PLAT_EXTRA_LD_SCRIPT))
  47
  48 # Enable all errata workarounds for Cortex-A72
  49 ERRATA_A72_859971               := 1
  50
  51 WORKAROUND_CVE_2017_5715        := 1
  52
  53 # Add new default target when compiling this platform
  54 all: bl31
  55
  56 # Build config flags
  57 # ------------------
  58
  59 # Disable stack protector by default
  60 ENABLE_STACK_PROTECTOR          := 0
  61
  62 # Have different sections for code and rodata
  63 SEPARATE_CODE_AND_RODATA        := 1
  64
  65 # Use Coherent memory
  66 USE_COHERENT_MEM                := 1
  67
  68 # Platform build flags
  69 # --------------------
  70
  71 # There is not much else than a Linux kernel to load at the moment.
  72 RPI3_DIRECT_LINUX_BOOT          := 1
  73
  74 # BL33 images are in AArch64 by default
  75 RPI3_BL33_IN_AARCH32            := 0
  76
  77 # UART to use at runtime. -1 means the runtime UART is disabled.
  78 # Any other value means the default UART will be used.
  79 RPI3_RUNTIME_UART               := 0
  80
  81 # Use normal memory mapping for ROM, FIP, SRAM and DRAM
  82 RPI3_USE_UEFI_MAP               := 0
  83
  84 # Process platform flags
  85 # ----------------------
  86
  87 $(eval $(call add_define,RPI3_BL33_IN_AARCH32))
  88 $(eval $(call add_define,RPI3_DIRECT_LINUX_BOOT))
  89 ifdef RPI3_PRELOADED_DTB_BASE
  90 $(eval $(call add_define,RPI3_PRELOADED_DTB_BASE))
  91 endif
  92 $(eval $(call add_define,RPI3_RUNTIME_UART))
  93 $(eval $(call add_define,RPI3_USE_UEFI_MAP))
  94
  95 ifeq (${ARCH},aarch32)
  96   $(error Error: AArch32 not supported on rpi4)
  97 endif
  98
  99 ifneq ($(ENABLE_STACK_PROTECTOR), 0)
 100 PLAT_BL_COMMON_SOURCES  +=      drivers/rpi3/rng/rpi3_rng.c             \
 101                                 plat/rpi/common/rpi3_stack_protector.c
 102 endif