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 $(call add_define,CRASH_REPORTING)) 13 14# enable assert() for release/debug builds 15ENABLE_ASSERTIONS := 1 16PLAT_LOG_LEVEL_ASSERT := 40 17$(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 PSCI v1.0 extended state ID format 24PSCI_EXTENDED_STATE_ID := 1 25 26# code and read-only data should be put on separate memory pages 27SEPARATE_CODE_AND_RODATA := 1 28 29# do not use coherent memory 30USE_COHERENT_MEM := 0 31 32# do not enable SVE 33ENABLE_SVE_FOR_NS := 0 34 35# enable D-cache early during CPU warmboot 36WARMBOOT_ENABLE_DCACHE_EARLY := 1 37 38# remove the standard libc 39OVERRIDE_LIBC := 1 40 41# Flag to enable WDT FIQ interrupt handling for Tegra SoCs 42# prior to Tegra186 43ENABLE_WDT_LEGACY_FIQ_HANDLING ?= 0 44 45include plat/nvidia/tegra/common/tegra_common.mk 46include ${SOC_DIR}/platform_${TARGET_SOC}.mk 47 48$(eval $(call add_define,ENABLE_WDT_LEGACY_FIQ_HANDLING)) 49 50# modify BUILD_PLAT to point to SoC specific build directory 51BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${TARGET_SOC}/${BUILD_TYPE} 52 53# platform cflags (enable signed comparisons, disable stdlib) 54TF_CFLAGS += -Wsign-compare -nostdlib 55 56# override with necessary libc files for the Tegra platform 57override LIBC_SRCS := $(addprefix lib/libc/, \ 58 assert.c \ 59 memcpy.c \ 60 memmove.c \ 61 memset.c \ 62 printf.c \ 63 putchar.c \ 64 strlen.c \ 65 snprintf.c) 66 67INCLUDES += -Iinclude/lib/libc \ 68 -Iinclude/lib/libc/$(ARCH) \ 69 70ifneq ($(findstring armlink,$(notdir $(LD))),) 71# o suppress warnings for section mismatches, undefined symbols 72# o use only those libraries that are specified in the input file 73# list to resolve references 74# o create a static callgraph of functions 75# o resolve undefined symbols to el3_panic 76# o include only required sections 77TF_LDFLAGS += --diag_suppress=L6314,L6332 --no_scanlib --callgraph 78TF_LDFLAGS += --keep="*(__pubsub*)" --keep="*(rt_svc_descs*)" --keep="*(*cpu_ops)" 79ifeq (${ENABLE_PMF},1) 80TF_LDFLAGS += --keep="*(*pmf_svc_descs*)" 81endif 82endif 83