xref: /rk3399_ARM-atf/plat/rpi/rpi4/platform.mk (revision 5e6d821cb3b32fc6eadb38c25a96f8efe217efba) 
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				drivers/arm/pl011/aarch64/pl011_console.S \
15				plat/rpi/common/rpi3_common.c		\
16				${XLAT_TABLES_LIB_SRCS}
17
18BL31_SOURCES		+=	lib/cpus/aarch64/cortex_a72.S		\
19				plat/rpi/rpi4/aarch64/plat_helpers.S	\
20				plat/rpi/rpi4/aarch64/armstub8_header.S	\
21				drivers/arm/gic/common/gic_common.c     \
22				drivers/arm/gic/v2/gicv2_helpers.c      \
23				drivers/arm/gic/v2/gicv2_main.c         \
24				plat/common/plat_gicv2.c                \
25				plat/rpi/rpi4/rpi4_bl31_setup.c		\
26				plat/rpi/common/rpi3_pm.c		\
27				plat/common/plat_psci_common.c		\
28				plat/rpi/common/rpi3_topology.c		\
29				common/fdt_fixup.c			\
30				${LIBFDT_SRCS}
31
32# For now we only support BL31, using the kernel loaded by the GPU firmware.
33RESET_TO_BL31		:=	1
34
35# All CPUs enter armstub8.bin.
36COLD_BOOT_SINGLE_CPU	:=	0
37
38# Tune compiler for Cortex-A72
39ifeq ($(notdir $(CC)),armclang)
40    TF_CFLAGS_aarch64	+=	-mcpu=cortex-a72
41else ifneq ($(findstring clang,$(notdir $(CC))),)
42    TF_CFLAGS_aarch64	+=	-mcpu=cortex-a72
43else
44    TF_CFLAGS_aarch64	+=	-mtune=cortex-a72
45endif
46
47# Add support for platform supplied linker script for BL31 build
48$(eval $(call add_define,PLAT_EXTRA_LD_SCRIPT))
49
50# Enable all errata workarounds for Cortex-A72
51ERRATA_A72_859971		:= 1
52
53WORKAROUND_CVE_2017_5715	:= 1
54
55# Add new default target when compiling this platform
56all: bl31
57
58# Build config flags
59# ------------------
60
61# Disable stack protector by default
62ENABLE_STACK_PROTECTOR	 	:= 0
63
64# Have different sections for code and rodata
65SEPARATE_CODE_AND_RODATA	:= 1
66
67# Use Coherent memory
68USE_COHERENT_MEM		:= 1
69
70# Platform build flags
71# --------------------
72
73# There is not much else than a Linux kernel to load at the moment.
74RPI3_DIRECT_LINUX_BOOT		:= 1
75
76# BL33 images are in AArch64 by default
77RPI3_BL33_IN_AARCH32		:= 0
78
79# UART to use at runtime. -1 means the runtime UART is disabled.
80# Any other value means the default UART will be used.
81RPI3_RUNTIME_UART		:= 0
82
83# Use normal memory mapping for ROM, FIP, SRAM and DRAM
84RPI3_USE_UEFI_MAP		:= 0
85
86# Process platform flags
87# ----------------------
88
89$(eval $(call add_define,RPI3_BL33_IN_AARCH32))
90$(eval $(call add_define,RPI3_DIRECT_LINUX_BOOT))
91ifdef RPI3_PRELOADED_DTB_BASE
92$(eval $(call add_define,RPI3_PRELOADED_DTB_BASE))
93endif
94$(eval $(call add_define,RPI3_RUNTIME_UART))
95$(eval $(call add_define,RPI3_USE_UEFI_MAP))
96
97ifeq (${ARCH},aarch32)
98  $(error Error: AArch32 not supported on rpi4)
99endif
100
101ifneq ($(ENABLE_STACK_PROTECTOR), 0)
102PLAT_BL_COMMON_SOURCES	+=	drivers/rpi3/rng/rpi3_rng.c		\
103				plat/rpi/common/rpi3_stack_protector.c
104endif
105