dra7xx: Initial support for TI DRA7xx

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Joakim Bech <joakim.bech@linaro.org>
[Rebase on top of master]
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>

.gitignore

-Makefile
+/Makefile
 *.swp
 /serial0.log
 /serial1.log

dra7xx.mk

+###############################################################################
+# Following variables defines how the NS_USER (Non Secure User - Client
+# Application), NS_KERNEL (Non Secure Kernel), S_KERNEL (Secure Kernel) and
+# S_USER (Secure User - TA) are compiled
+###############################################################################
+override COMPILE_NS_USER   := 32
+override COMPILE_NS_KERNEL := 32
+override COMPILE_S_USER    := 32
+override COMPILE_S_KERNEL  := 32
+
+###############################################################################
+# Includes
+###############################################################################
+-include common.mk
+
+###############################################################################
+# Paths to git projects and various binaries
+###############################################################################
+STAGING_AREA    ?= $(ROOT)/out
+U-BOOT_PATH     ?= $(ROOT)/u-boot
+UBOOT_SPL       ?= $(U-BOOT_PATH)/u-boot-spl_HS_MLO
+UBOOT_IMG       ?= $(U-BOOT_PATH)/u-boot_HS.img
+UBOOT_ENV       ?= $(BUILD_PATH)/dra7xx/uEnv.txt
+LINUX_IMAGE     ?= $(LINUX_PATH)/arch/arm/boot/zImage
+LINUX_DTBS      ?= $(wildcard $(LINUX_PATH)/arch/arm/boot/dts/dra7*.dtb)
+FIT_SOURCE      ?= $(BUILD_PATH)/dra7xx/fitImage.its
+FIT_MAKEFILE    ?= $(BUILD_PATH)/dra7xx/Makefile
+
+###############################################################################
+# Targets
+###############################################################################
+.PHONY: all clean cleaner prepare
+
+all: u-boot linux optee-os optee-client xtest helloworld build-fit update_rootfs
+clean: linux-clean busybox-clean u-boot-clean optee-os-clean optee-client-clean build-fit-clean
+cleaner: clean prepare-cleaner busybox-cleaner linux-cleaner
+
+-include toolchain.mk
+
+prepare:
+	@if [ ! -d $(STAGING_AREA) ]; then mkdir $(STAGING_AREA); fi
+
+.PHONY: prepare-cleaner
+prepare-cleaner:
+	rm -rf $(STAGING_AREA)
+
+###############################################################################
+# Das U-Boot
+###############################################################################
+.PHONY: u-boot u-boot-clean
+
+U-BOOT_EXPORTS ?= CROSS_COMPILE=$(CROSS_COMPILE_NS_KERNEL) ARCH=arm
+
+u-boot:
+	$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH) dra7xx_hs_evm_defconfig
+	$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH) all
+
+u-boot-clean:
+	$(U-BOOT_EXPORTS) $(MAKE) -C $(U-BOOT_PATH) clean
+
+###############################################################################
+# Linux kernel
+###############################################################################
+.PHONY: linux-defconfig linux linux-defconfig-clean linux-clean linux-cleaner
+
+LINUX_DEFCONFIG_COMMON_ARCH := arm
+LINUX_DEFCONFIG_COMMON_FILES := \
+	$(LINUX_PATH)/arch/arm/configs/multi_v7_defconfig \
+	$(LINUX_PATH)/ti_config_fragments/multi_v7_prune.cfg \
+	$(LINUX_PATH)/ti_config_fragments/baseport.cfg \
+	$(LINUX_PATH)/ti_config_fragments/ipc.cfg \
+	$(LINUX_PATH)/ti_config_fragments/connectivity.cfg \
+	$(LINUX_PATH)/ti_config_fragments/audio_display.cfg \
+	$(LINUX_PATH)/ti_config_fragments/wlan.cfg \
+	$(LINUX_PATH)/ti_config_fragments/omap_soc.cfg \
+	$(LINUX_PATH)/ti_config_fragments/lpae.cfg \
+	$(LINUX_PATH)/ti_config_fragments/dra7_only.cfg \
+	$(LINUX_PATH)/ti_config_fragments/debug_options.cfg
+
+linux-defconfig: $(LINUX_PATH)/.config
+
+LINUX_COMMON_FLAGS += ARCH=arm
+linux: linux-common
+linux-defconfig-clean: linux-defconfig-clean-common
+
+LINUX_CLEAN_COMMON_FLAGS += ARCH=arm
+linux-clean: linux-clean-common
+
+LINUX_CLEANER_COMMON_FLAGS += ARCH=arm
+linux-cleaner: linux-cleaner-common
+
+###############################################################################
+# OP-TEE
+###############################################################################
+.PHONY: optee-os optee-os-clean optee-client optee-client-clean
+
+OPTEE_OS_COMMON_FLAGS += PLATFORM=ti-dra7xx
+optee-os: optee-os-common
+
+OPTEE_OS_CLEAN_COMMON_FLAGS += PLATFORM=ti-dra7xx
+optee-os-clean: optee-os-clean-common
+
+optee-client: optee-client-common
+optee-client-clean: optee-client-clean-common
+
+###############################################################################
+# xtest / optee_test
+###############################################################################
+.PHONY: xtest xtest-clean xtest-patch
+
+xtest: xtest-common
+xtest-clean: xtest-clean-common
+xtest-patch: xtest-patch-common
+
+###############################################################################
+# hello_world
+###############################################################################
+.PHONY: helloworld helloworld-clean
+
+helloworld: helloworld-common
+helloworld-clean: helloworld-clean-common
+
+###############################################################################
+# Busybox
+###############################################################################
+.PHONY: busybox busybox-clean busybox-cleaner
+
+BUSYBOX_COMMON_TARGET = dra7xx
+BUSYBOX_CLEAN_COMMON_TARGET = dra7xx clean
+
+busybox: busybox-common
+busybox-clean: busybox-clean-common
+busybox-cleaner: busybox-cleaner-common
+
+###############################################################################
+# Build FIT
+###############################################################################
+.PHONY: build-fit build-fit-clean
+
+build-fit: prepare linux optee-os
+	cp $(LINUX_IMAGE) $(STAGING_AREA)/
+	cp $(LINUX_DTBS) $(STAGING_AREA)/
+	cp $(OPTEE_OS_BIN) $(STAGING_AREA)/
+	cp $(FIT_SOURCE) $(STAGING_AREA)/
+	cp $(FIT_MAKEFILE) $(STAGING_AREA)/
+	MKIMAGE=$(U-BOOT_PATH)/tools/mkimage $(MAKE) -C $(STAGING_AREA)
+
+build-fit-clean:
+	$(RM) $(STAGING_AREA)/Makefile
+	$(RM) $(STAGING_AREA)/fitImage.its
+	$(RM) $(STAGING_AREA)/tee.bin
+	$(RM) $(STAGING_AREA)/*.dtb
+	$(RM) $(STAGING_AREA)/zImage
+
+###############################################################################
+# Root FS
+###############################################################################
+.PHONY: filelist-tee update_rootfs
+
+filelist-tee: filelist-tee-common u-boot build-fit
+	@echo "dir /boot 755 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "file /boot/MLO $(UBOOT_SPL) 644 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "file /boot/u-boot.img $(UBOOT_IMG) 644 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "file /boot/uEnv.txt $(UBOOT_ENV) 644 0 0" >> $(GEN_ROOTFS_FILELIST)
+	@echo "file /boot/fitImage.itb $(STAGING_AREA)/fitImage.itb 644 0 0" >> $(GEN_ROOTFS_FILELIST)
+
+update_rootfs: update_rootfs-common

dra7xx/Makefile

+#!/usr/bin/make -f
+#
+# Sign/encrypt a Linux Kernel zImage, a DTB file, and a rootfs (to be used
+# as an initramfs) into a FIT image tree blob for loading through U-Boot on a
+# TI High Security (HS) SoC.
+#
+# Copyright (C) 2016, Texas Instruments, Incorporated - http://www.ti.com/
+#	Andreas Dannenberg <dannenberg@ti.com>
+#	Andrew F. Davis <afd@ti.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+
+ITS ?= fitImage.its
+ITB ?= $(ITS:.its=.itb)
+
+SEC_IMAGES := $(shell sed -n 's/.*\/incbin\/.*\"\(.*\.sec\)\".*/\1/p' $(ITS))
+
+.PHONY: all
+all: $(ITB)
+
+# Invoke signing tool from the TI Secure Dev package to sign and optionally
+# encrypt a binary blob. This tool is accessed through the use of the
+# TI_SECURE_DEV_PKG environmental variable in the same fashion as it is used
+# when building secure U-Boot for TI devices.
+%.sec: %
+ifneq ($(TI_SECURE_DEV_PKG),)
+ifneq ($(wildcard $(TI_SECURE_DEV_PKG)/scripts/secure-binary-image.sh),)
+	$(TI_SECURE_DEV_PKG)/scripts/secure-binary-image.sh $(patsubst %.sec,%,$@) $@
+else
+	@echo "ERROR: $(TI_SECURE_DEV_PKG)/scripts/secure-binary-image.sh not found." \
+	      "$@ was NOT created!"; exit 1
+endif
+else
+	@echo "ERROR: TI_SECURE_DEV_PKG environment variable must be defined" \
+	      "for TI secure devices. $@ was NOT created!"; exit 1
+endif
+
+# Compile a FIT image tree source file describing the final image tree blob.
+# Use the mkimage tool that comes with U-Boot to make sure we have the latest/
+# greatest as we are using advanced features such as FIT...
+MKIMAGE ?= mkimage
+%.itb: %.its $(SEC_IMAGES)
+	$(MKIMAGE) -f $< -r $@
+
+.PHONY: clean
+clean:
+	-$(RM) -v $(SEC_IMAGES)
+	-$(RM) -v $(ITB)

dra7xx/fitImage.its

+/dts-v1/;
+
+/ {
+	description = "U-Boot fitImage";
+	#address-cells = <1>;
+
+	images {
+		kernel@1 {
+			description = "Linux kernel";
+			data = /incbin/("zImage.sec");
+			type = "kernel";
+			arch = "arm";
+			os = "linux";
+			compression = "none";
+			load = <0x82000000>;
+			entry = <0x82000000>;
+		};
+
+		dra7-evm.dtb {
+			description = "Flattened Device Tree blob";
+			data = /incbin/("dra7-evm.dtb.sec");
+			type = "flat_dt";
+			arch = "arm";
+			compression = "none";
+		};
+
+		dra72-evm-revc.dtb {
+			description = "Flattened Device Tree blob";
+			data = /incbin/("dra72-evm-revc.dtb.sec");
+			type = "flat_dt";
+			arch = "arm";
+			compression = "none";
+		};
+
+		dra71-evm.dtb {
+			description = "Flattened Device Tree blob";
+			data = /incbin/("dra71-evm.dtb.sec");
+			type = "flat_dt";
+			arch = "arm";
+			compression = "none";
+		};
+
+		optee {
+			description = "OPTEE OS Image";
+			data = /incbin/("tee.bin.sec");
+			type = "tee";
+			arch = "arm";
+			compression = "none";
+		};
+	};
+
+	configurations {
+		default = "dra7-evm.dtb";
+
+		dra7-evm.dtb {
+			description = "Linux kernel, FDT blob, OPTEE OS";
+			kernel = "kernel@1";
+			fdt = "dra7-evm.dtb";
+			loadables = "optee";
+		};
+
+		dra72-evm-revc.dtb {
+			description = "Linux kernel, FDT blob, OPTEE OS";
+			kernel = "kernel@1";
+			fdt = "dra72-evm-revc.dtb";
+			loadables = "optee";
+		};
+
+		dra71-evm.dtb {
+			description = "Linux kernel, FDT blob, OPTEE OS";
+			kernel = "kernel@1";
+			fdt = "dra71-evm.dtb";
+			loadables = "optee";
+		};
+	};
+};

dra7xx/uEnv.txt

+loadfit=run args_mmc; bootm ${loadaddr}#${fdtfile};