plat: imx7: refactor code for reuse
For the iMX7 SOCs, part of the code for platform
setup implementation can be reused and made
common for all these SoCs. This patch extracts
the common part for reuse.
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Change-Id: I42fd4167e6903416df96a0159a046abf3896e878
diff --git a/plat/imx/imx7/common/imx7.mk b/plat/imx/imx7/common/imx7.mk
new file mode 100644
index 0000000..849ddcd
--- /dev/null
+++ b/plat/imx/imx7/common/imx7.mk
@@ -0,0 +1,110 @@
+#
+# Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# Architecture
+$(eval $(call add_define,ARMV7_SUPPORTS_LARGE_PAGE_ADDRESSING))
+
+TF_CFLAGS += -mfpu=neon
+ASFLAGS += -mfpu=neon
+
+# Platform
+PLAT_INCLUDES := -Idrivers/imx/uart \
+ -Iplat/imx/common/include \
+ -Iplat/imx/imx7/include \
+ -Idrivers/imx/timer \
+ -Idrivers/imx/usdhc \
+
+# Translation tables library
+include lib/xlat_tables_v2/xlat_tables.mk
+
+BL2_SOURCES += common/desc_image_load.c \
+ drivers/delay_timer/delay_timer.c \
+ drivers/mmc/mmc.c \
+ drivers/io/io_block.c \
+ drivers/io/io_fip.c \
+ drivers/io/io_memmap.c \
+ drivers/io/io_storage.c \
+ drivers/imx/timer/imx_gpt.c \
+ drivers/imx/uart/imx_uart.c \
+ drivers/imx/uart/imx_crash_uart.S \
+ lib/aarch32/arm32_aeabi_divmod.c \
+ lib/aarch32/arm32_aeabi_divmod_a32.S \
+ lib/cpus/aarch32/cortex_a7.S \
+ lib/optee/optee_utils.c \
+ plat/imx/common/imx_aips.c \
+ plat/imx/common/imx_caam.c \
+ plat/imx/common/imx_clock.c \
+ plat/imx/common/imx_csu.c \
+ plat/imx/common/imx_io_mux.c \
+ plat/imx/common/imx_snvs.c \
+ plat/imx/common/imx_wdog.c \
+ plat/imx/common/imx7_clock.c \
+ plat/imx/imx7/common/imx7_bl2_mem_params_desc.c \
+ plat/imx/imx7/common/imx7_bl2_el3_common.c \
+ plat/imx/imx7/common/imx7_helpers.S \
+ plat/imx/imx7/common/imx7_image_load.c \
+ plat/imx/imx7/common/imx7_io_storage.c \
+ plat/imx/common/aarch32/imx_uart_console.S \
+ ${XLAT_TABLES_LIB_SRCS}
+
+ifneq (${TRUSTED_BOARD_BOOT},0)
+
+include drivers/auth/mbedtls/mbedtls_crypto.mk
+include drivers/auth/mbedtls/mbedtls_x509.mk
+
+AUTH_SOURCES := drivers/auth/auth_mod.c \
+ drivers/auth/crypto_mod.c \
+ drivers/auth/img_parser_mod.c \
+ drivers/auth/tbbr/tbbr_cot.c
+
+BL2_SOURCES += ${AUTH_SOURCES} \
+ plat/common/tbbr/plat_tbbr.c \
+ plat/imx/imx7/common/imx7_trusted_boot.c \
+ plat/imx/imx7/common/imx7_rotpk.S
+
+ROT_KEY = $(BUILD_PLAT)/rot_key.pem
+ROTPK_HASH = $(BUILD_PLAT)/rotpk_sha256.bin
+
+$(eval $(call add_define_val,ROTPK_HASH,'"$(ROTPK_HASH)"'))
+$(eval $(call MAKE_LIB_DIRS))
+
+$(BUILD_PLAT)/bl2/imx7_rotpk.o: $(ROTPK_HASH)
+
+certificates: $(ROT_KEY)
+
+$(ROT_KEY): | $(BUILD_PLAT)
+ @echo " OPENSSL $@"
+ @if [ ! -f $(ROT_KEY) ]; then \
+ openssl genrsa 2048 > $@ 2>/dev/null; \
+ fi
+
+$(ROTPK_HASH): $(ROT_KEY)
+ @echo " OPENSSL $@"
+ $(Q)openssl rsa -in $< -pubout -outform DER 2>/dev/null |\
+ openssl dgst -sha256 -binary > $@ 2>/dev/null
+endif
+
+# Add the build options to pack BLx images and kernel device tree
+# in the FIP if the platform requires.
+ifneq ($(BL2),)
+$(eval $(call TOOL_ADD_PAYLOAD,${BUILD_PLAT}/tb_fw.crt,--tb-fw-cert))
+endif
+ifneq ($(BL32_EXTRA1),)
+$(eval $(call TOOL_ADD_IMG,BL32_EXTRA1,--tos-fw-extra1))
+endif
+ifneq ($(BL32_EXTRA2),)
+$(eval $(call TOOL_ADD_IMG,BL32_EXTRA2,--tos-fw-extra2))
+endif
+ifneq ($(HW_CONFIG),)
+$(eval $(call TOOL_ADD_IMG,HW_CONFIG,--hw-config))
+endif
+
+# Verify build config
+# -------------------
+
+ifeq (${ARCH},aarch64)
+ $(error Error: AArch64 not supported on i.mx7)
+endif