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+Renesas RZ/G
+============
+
+The "RZ/G" Family of high-end 64-bit Arm®-based microprocessors (MPUs)
+enables the solutions required for the smart society of the future.
+Through a variety of Arm Cortex®-A53 and A57-based devices, engineers can
+easily implement high-resolution human machine interfaces (HMI), embedded
+vision, embedded artificial intelligence (e-AI) and real-time control and
+industrial ethernet connectivity.
+
+The scalable RZ/G hardware platform and flexible software platform
+cover the full product range, from the premium class to the entry
+level. Plug-ins are available for multiple open-source software tools.
+
+
+Renesas RZ/G2 reference platforms:
+----------------------------------
+
++--------------+----------------------------------------------------------------------------------+
+| Board | Details |
++==============+===============+==================================================================+
+| hihope-rzg2h | "96 boards" compatible board from Hoperun equipped with Renesas RZ/G2H SoC |
+| +----------------------------------------------------------------------------------+
+| | http://hihope.org/product/musashi |
++--------------+----------------------------------------------------------------------------------+
+| hihope-rzg2m | "96 boards" compatible board from Hoperun equipped with Renesas RZ/G2M SoC |
+| +----------------------------------------------------------------------------------+
+| | http://hihope.org/product/musashi |
++--------------+----------------------------------------------------------------------------------+
+| hihope-rzg2n | "96 boards" compatible board from Hoperun equipped with Renesas RZ/G2N SoC |
+| +----------------------------------------------------------------------------------+
+| | http://hihope.org/product/musashi |
++--------------+----------------------------------------------------------------------------------+
+| ek874 | "96 boards" compatible board from Silicon Linux equipped with Renesas RZ/G2E SoC |
+| +----------------------------------------------------------------------------------+
+| | https://www.si-linux.co.jp/index.php?CAT%2FCAT874 |
++--------------+----------------------------------------------------------------------------------+
+
+`boards info <https://www.renesas.com/us/en/products/rzg-linux-platform/rzg-marcketplace/board-solutions.html#rzg2>`__
+
+The current TF-A port has been tested on the HiHope RZ/G2M
+SoC_id r8a774a1 revision ES1.3.
+
+
+::
+
+ ARM CA57 (ARMv8) 1.5 GHz dual core, with NEON/VFPv4, L1$ I/D 48K/32K, L2$ 1MB
+ ARM CA53 (ARMv8) 1.2 GHz quad core, with NEON/VFPv4, L1$ I/D 32K/32K, L2$ 512K
+ Memory controller for LPDDR4-3200 4GB in 2 channels(32-bit bus mode)
+ Two- and three-dimensional graphics engines,
+ Video processing units,
+ Display Output,
+ Video Input,
+ SD card host interface,
+ USB3.0 and USB2.0 interfaces,
+ CAN interfaces,
+ Ethernet AVB,
+ Wi-Fi + BT,
+ PCI Express Interfaces,
+ Memories
+ INTERNAL 384KB SYSTEM RAM
+ DDR 4 GB LPDDR4
+ QSPI FLASH 64MB
+ EMMC 32 GB EMMC (HS400 240 MBYTES/S)
+ MICROSD-CARD SLOT (SDR104 100 MBYTES/S)
+
+Overview
+--------
+On RZ/G2 SoCs the BOOTROM starts the cpu at EL3; for this port BL2
+will therefore be entered at this exception level (the Renesas' ATF
+reference tree [1] resets into EL1 before entering BL2 - see its
+bl2.ld.S)
+
+BL2 initializes DDR before determining the boot reason (cold or warm).
+
+Once BL2 boots, it determines the boot reason, writes it to shared
+memory (BOOT_KIND_BASE) together with the BL31 parameters
+(PARAMS_BASE) and jumps to BL31.
+
+To all effects, BL31 is as if it is being entered in reset mode since
+it still needs to initialize the rest of the cores; this is the reason
+behind using direct shared memory access to BOOT_KIND_BASE _and_
+PARAMS_BASE instead of using registers to get to those locations (see
+el3_common_macros.S and bl31_entrypoint.S for the RESET_TO_BL31 use
+case).
+
+[1] https://github.com/renesas-rz/meta-rzg2/tree/BSP-1.0.5/recipes-bsp/arm-trusted-firmware/files
+
+
+How to build
+------------
+
+The TF-A build options depend on the target board so you will have to
+refer to those specific instructions. What follows is customized to
+the HiHope RZ/G2M development kit used in this port.
+
+Build Tested:
+~~~~~~~~~~~~~
+
+.. code:: bash
+
+ make bl2 bl31 rzg LOG_LEVEL=40 PLAT=rzg LSI=G2M RCAR_DRAM_SPLIT=2\
+ RCAR_LOSSY_ENABLE=1 SPD="none" MBEDTLS_DIR=$mbedtls
+
+System Tested:
+~~~~~~~~~~~~~~
+* mbed_tls:
+ git@github.com:ARMmbed/mbedtls.git [devel]
+
+| commit 72ca39737f974db44723760623d1b29980c00a88
+| Merge: ef94c4fcf dd9ec1c57
+| Author: Janos Follath <janos.follath@arm.com>
+| Date: Wed Oct 7 09:21:01 2020 +0100
+
+* u-boot:
+ The port has beent tested using mainline uboot with HiHope RZ/G2M board
+ specific patches.
+
+| commit 46ce9e777c1314ccb78906992b94001194eaa87b
+| Author: Heiko Schocher <hs@denx.de>
+| Date: Tue Nov 3 15:22:36 2020 +0100
+
+* linux:
+ The port has beent tested using mainline kernel.
+
+| commit f8394f232b1eab649ce2df5c5f15b0e528c92091
+| Author: Linus Torvalds <torvalds@linux-foundation.org>
+| Date: Sun Nov 8 16:10:16 2020 -0800
+| Linux 5.10-rc3
+
+TF-A Build Procedure
+~~~~~~~~~~~~~~~~~~~~
+
+- Fetch all the above 3 repositories.
+
+- Prepare the AARCH64 toolchain.
+
+- Build u-boot using hihope_rzg2_defconfig.
+
+ Result: u-boot-elf.srec
+
+.. code:: bash
+
+ make CROSS_COMPILE=aarch64-linux-gnu-
+ hihope_rzg2_defconfig
+
+ make CROSS_COMPILE=aarch64-linux-gnu-
+
+- Build TF-A
+
+ Result: bootparam_sa0.srec, cert_header_sa6.srec, bl2.srec, bl31.srec
+
+.. code:: bash
+
+ make bl2 bl31 rzg LOG_LEVEL=40 PLAT=rzg LSI=G2M RCAR_DRAM_SPLIT=2\
+ RCAR_LOSSY_ENABLE=1 SPD="none" MBEDTLS_DIR=$mbedtls
+
+
+Install Procedure
+~~~~~~~~~~~~~~~~~
+
+- Boot the board in Mini-monitor mode and enable access to the
+ QSPI flash.
+
+
+- Use the flash_writer utility[2] to flash all the SREC files.
+
+[2] https://github.com/renesas-rz/rzg2_flash_writer
+
+
+Boot trace
+----------
+::
+
+ INFO: ARM GICv2 driver initialized
+ NOTICE: BL2: RZ/G2 Initial Program Loader(CA57) Rev.2.0.6
+ NOTICE: BL2: PRR is RZ/G2M Ver.1.3
+ NOTICE: BL2: Board is HiHope RZ/G2M Rev.4.0
+ NOTICE: BL2: Boot device is QSPI Flash(40MHz)
+ NOTICE: BL2: LCM state is unknown
+ NOTICE: BL2: DDR3200(rev.0.40)
+ NOTICE: BL2: [COLD_BOOT]
+ NOTICE: BL2: DRAM Split is 2ch
+ NOTICE: BL2: QoS is default setting(rev.0.19)
+ NOTICE: BL2: DRAM refresh interval 1.95 usec
+ NOTICE: BL2: Periodic Write DQ Training
+ NOTICE: BL2: CH0: 400000000 - 47fffffff, 2 GiB
+ NOTICE: BL2: CH2: 600000000 - 67fffffff, 2 GiB
+ NOTICE: BL2: Lossy Decomp areas
+ NOTICE: Entry 0: DCMPAREACRAx:0x80000540 DCMPAREACRBx:0x570
+ NOTICE: Entry 1: DCMPAREACRAx:0x40000000 DCMPAREACRBx:0x0
+ NOTICE: Entry 2: DCMPAREACRAx:0x20000000 DCMPAREACRBx:0x0
+ NOTICE: BL2: FDT at 0xe631db30
+ NOTICE: BL2: v2.3(release):v2.4-rc0-2-g1433701e5
+ NOTICE: BL2: Built : 13:45:26, Nov 7 2020
+ NOTICE: BL2: Normal boot
+ INFO: BL2: Doing platform setup
+ INFO: BL2: Loading image id 3
+ NOTICE: BL2: dst=0xe631d200 src=0x8180000 len=512(0x200)
+ NOTICE: BL2: dst=0x43f00000 src=0x8180400 len=6144(0x1800)
+ WARNING: r-car ignoring the BL31 size from certificate,using RCAR_TRUSTED_SRAM_SIZE instead
+ INFO: Loading image id=3 at address 0x44000000
+ NOTICE: rcar_file_len: len: 0x0003e000
+ NOTICE: BL2: dst=0x44000000 src=0x81c0000 len=253952(0x3e000)
+ INFO: Image id=3 loaded: 0x44000000 - 0x4403e000
+ INFO: BL2: Loading image id 5
+ INFO: Loading image id=5 at address 0x50000000
+ NOTICE: rcar_file_len: len: 0x00100000
+ NOTICE: BL2: dst=0x50000000 src=0x8300000 len=1048576(0x100000)
+ INFO: Image id=5 loaded: 0x50000000 - 0x50100000
+ NOTICE: BL2: Booting BL31
+ INFO: Entry point address = 0x44000000
+ INFO: SPSR = 0x3cd
+
+
+ U-Boot 2021.01-rc1-00244-gac37e14fbd (Nov 04 2020 - 20:03:34 +0000)
+
+ CPU: Renesas Electronics R8A774A1 rev 1.3
+ Model: HopeRun HiHope RZ/G2M with sub board
+ DRAM: 3.9 GiB
+ MMC: mmc@ee100000: 0, mmc@ee160000: 1
+ Loading Environment from MMC... OK
+ In: serial@e6e88000
+ Out: serial@e6e88000
+ Err: serial@e6e88000
+ Net: eth0: ethernet@e6800000
+ Hit any key to stop autoboot: 0
+ =>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 10:07:39 +0000