xref: /rk3399_ARM-atf/plat/rpi/rpi4/platform.mk (revision 448fb352f9be697e40b1224df3e33bca863326c6) 
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				${LIBFDT_SRCS}
29
30# For now we only support BL31, using the kernel loaded by the GPU firmware.
31RESET_TO_BL31		:=	1
32
33# All CPUs enter armstub8.bin.
34COLD_BOOT_SINGLE_CPU	:=	0
35
36# Tune compiler for Cortex-A72
37ifeq ($(notdir $(CC)),armclang)
38    TF_CFLAGS_aarch64	+=	-mcpu=cortex-a72
39else ifneq ($(findstring clang,$(notdir $(CC))),)
40    TF_CFLAGS_aarch64	+=	-mcpu=cortex-a72
41else
42    TF_CFLAGS_aarch64	+=	-mtune=cortex-a72
43endif
44
45# Add support for platform supplied linker script for BL31 build
46$(eval $(call add_define,PLAT_EXTRA_LD_SCRIPT))
47
48# Enable all errata workarounds for Cortex-A72
49ERRATA_A72_859971		:= 1
50
51WORKAROUND_CVE_2017_5715	:= 1
52
53# Add new default target when compiling this platform
54all: bl31
55
56# Build config flags
57# ------------------
58
59# Disable stack protector by default
60ENABLE_STACK_PROTECTOR	 	:= 0
61
62# Have different sections for code and rodata
63SEPARATE_CODE_AND_RODATA	:= 1
64
65# Use Coherent memory
66USE_COHERENT_MEM		:= 1
67
68# Platform build flags
69# --------------------
70
71# There is not much else than a Linux kernel to load at the moment.
72RPI3_DIRECT_LINUX_BOOT		:= 1
73
74# BL33 images are in AArch64 by default
75RPI3_BL33_IN_AARCH32		:= 0
76
77# UART to use at runtime. -1 means the runtime UART is disabled.
78# Any other value means the default UART will be used.
79RPI3_RUNTIME_UART		:= 0
80
81# Use normal memory mapping for ROM, FIP, SRAM and DRAM
82RPI3_USE_UEFI_MAP		:= 0
83
84# Process platform flags
85# ----------------------
86
87$(eval $(call add_define,RPI3_BL33_IN_AARCH32))
88$(eval $(call add_define,RPI3_DIRECT_LINUX_BOOT))
89ifdef RPI3_PRELOADED_DTB_BASE
90$(eval $(call add_define,RPI3_PRELOADED_DTB_BASE))
91endif
92$(eval $(call add_define,RPI3_RUNTIME_UART))
93$(eval $(call add_define,RPI3_USE_UEFI_MAP))
94
95ifeq (${ARCH},aarch32)
96  $(error Error: AArch32 not supported on rpi4)
97endif
98
99ifneq ($(ENABLE_STACK_PROTECTOR), 0)
100PLAT_BL_COMMON_SOURCES	+=	drivers/rpi3/rng/rpi3_rng.c		\
101				plat/rpi/common/rpi3_stack_protector.c
102endif
103