1#
2# Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
3# Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
4#
5# SPDX-License-Identifier: BSD-3-Clause
6#
7
8SOC_DIR			:=	plat/nvidia/tegra/soc/${TARGET_SOC}
9
10# dump the state on crash console
11CRASH_REPORTING		:=	1
12$(eval $(call add_define,CRASH_REPORTING))
13
14# enable assert() for release/debug builds
15ENABLE_ASSERTIONS	:=	1
16PLAT_LOG_LEVEL_ASSERT	:=	50
17$(eval $(call add_define,PLAT_LOG_LEVEL_ASSERT))
18
19# enable dynamic memory mapping
20PLAT_XLAT_TABLES_DYNAMIC :=	1
21$(eval $(call add_define,PLAT_XLAT_TABLES_DYNAMIC))
22
23# Enable exception handling at EL3
24EL3_EXCEPTION_HANDLING	:=	1
25GICV2_G0_FOR_EL3	:=	1
26
27# Enable PSCI v1.0 extended state ID format
28PSCI_EXTENDED_STATE_ID	:=	1
29
30# code and read-only data should be put on separate memory pages
31SEPARATE_CODE_AND_RODATA :=	1
32
33# do not use coherent memory
34USE_COHERENT_MEM	:=	0
35
36# enable D-cache early during CPU warmboot
37WARMBOOT_ENABLE_DCACHE_EARLY := 1
38
39# remove the standard libc
40OVERRIDE_LIBC		:=	1
41
42# Flag to enable WDT FIQ interrupt handling for Tegra SoCs
43# prior to Tegra186
44ENABLE_TEGRA_WDT_LEGACY_FIQ_HANDLING	?= 0
45
46# Flag to allow relocation of BL32 image to TZDRAM during boot
47RELOCATE_BL32_IMAGE		?= 0
48
49# Enable stack protection
50ENABLE_STACK_PROTECTOR		:=	strong
51
52# Enable SDEI
53SDEI_SUPPORT			:= 1
54
55# modify BUILD_PLAT to point to SoC specific build directory
56BUILD_PLAT	:=	${BUILD_BASE}/${PLAT}/${TARGET_SOC}/${BUILD_TYPE}
57
58include plat/nvidia/tegra/common/tegra_common.mk
59include ${SOC_DIR}/platform_${TARGET_SOC}.mk
60
61$(eval $(call add_define,ENABLE_TEGRA_WDT_LEGACY_FIQ_HANDLING))
62$(eval $(call add_define,RELOCATE_BL32_IMAGE))
63
64# platform cflags (enable signed comparisons, disable stdlib)
65TF_CFLAGS	+= -nostdlib
66
67# override with necessary libc files for the Tegra platform
68override LIBC_SRCS :=	$(addprefix lib/libc/,		\
69			aarch64/setjmp.S		\
70			assert.c			\
71			memchr.c			\
72			memcmp.c			\
73			memcpy.c			\
74			memmove.c			\
75			memset.c			\
76			printf.c			\
77			putchar.c			\
78			strrchr.c			\
79			strlen.c			\
80			snprintf.c)
81
82INCLUDES	+=	-Iinclude/lib/libc		\
83			-Iinclude/lib/libc/$(ARCH)	\
84
85ifneq ($(findstring armlink,$(notdir $(LD))),)
86# o suppress warnings for section mismatches, undefined symbols
87# o use only those libraries that are specified in the input file
88#   list to resolve references
89# o create a static callgraph of functions
90# o resolve undefined symbols to el3_panic
91# o include only required sections
92TF_LDFLAGS	+= --diag_suppress=L6314,L6332 --no_scanlib --callgraph
93TF_LDFLAGS	+= --keep="*(__pubsub*)" --keep="*(rt_svc_descs*)" --keep="*(*cpu_ops)"
94ifeq (${ENABLE_PMF},1)
95TF_LDFLAGS	+= --keep="*(*pmf_svc_descs*)"
96endif
97endif
98