xref: /rk3399_ARM-atf/plat/rpi/rpi4/platform.mk (revision 530ceda57288aa931d0c8ba7b3066340d587cc9b) 
1#
2# Copyright (c) 2013-2019, 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
10PLAT_INCLUDES		:=	-Iplat/rpi/common/include		\
11				-Iplat/rpi/rpi4/include
12
13PLAT_BL_COMMON_SOURCES	:=	drivers/ti/uart/aarch64/16550_console.S	\
14				plat/rpi/common/rpi3_common.c		\
15				${XLAT_TABLES_LIB_SRCS}
16
17BL31_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				common/fdt_fixup.c			\
29				${LIBFDT_SRCS}
30
31# For now we only support BL31, using the kernel loaded by the GPU firmware.
32RESET_TO_BL31		:=	1
33
34# All CPUs enter armstub8.bin.
35COLD_BOOT_SINGLE_CPU	:=	0
36
37# Tune compiler for Cortex-A72
38ifeq ($(notdir $(CC)),armclang)
39    TF_CFLAGS_aarch64	+=	-mcpu=cortex-a72
40else ifneq ($(findstring clang,$(notdir $(CC))),)
41    TF_CFLAGS_aarch64	+=	-mcpu=cortex-a72
42else
43    TF_CFLAGS_aarch64	+=	-mtune=cortex-a72
44endif
45
46# Add support for platform supplied linker script for BL31 build
47$(eval $(call add_define,PLAT_EXTRA_LD_SCRIPT))
48
49# Enable all errata workarounds for Cortex-A72
50ERRATA_A72_859971		:= 1
51
52WORKAROUND_CVE_2017_5715	:= 1
53
54# Add new default target when compiling this platform
55all: bl31
56
57# Build config flags
58# ------------------
59
60# Disable stack protector by default
61ENABLE_STACK_PROTECTOR	 	:= 0
62
63# Have different sections for code and rodata
64SEPARATE_CODE_AND_RODATA	:= 1
65
66# Use Coherent memory
67USE_COHERENT_MEM		:= 1
68
69# Platform build flags
70# --------------------
71
72# There is not much else than a Linux kernel to load at the moment.
73RPI3_DIRECT_LINUX_BOOT		:= 1
74
75# BL33 images are in AArch64 by default
76RPI3_BL33_IN_AARCH32		:= 0
77
78# UART to use at runtime. -1 means the runtime UART is disabled.
79# Any other value means the default UART will be used.
80RPI3_RUNTIME_UART		:= 0
81
82# Use normal memory mapping for ROM, FIP, SRAM and DRAM
83RPI3_USE_UEFI_MAP		:= 0
84
85# Process platform flags
86# ----------------------
87
88$(eval $(call add_define,RPI3_BL33_IN_AARCH32))
89$(eval $(call add_define,RPI3_DIRECT_LINUX_BOOT))
90ifdef RPI3_PRELOADED_DTB_BASE
91$(eval $(call add_define,RPI3_PRELOADED_DTB_BASE))
92endif
93$(eval $(call add_define,RPI3_RUNTIME_UART))
94$(eval $(call add_define,RPI3_USE_UEFI_MAP))
95
96ifeq (${ARCH},aarch32)
97  $(error Error: AArch32 not supported on rpi4)
98endif
99
100ifneq ($(ENABLE_STACK_PROTECTOR), 0)
101PLAT_BL_COMMON_SOURCES	+=	drivers/rpi3/rng/rpi3_rng.c		\
102				plat/rpi/common/rpi3_stack_protector.c
103endif
104