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Simon Glass 7b51b576d6 env: Move env_get() to env.h 
Move env_get() over to the new header file.

Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
2019-08-11 16:43:41 -04:00
..
Kconfig ARM64: poplar: hi3798cv200: u-boot support for Poplar 96Boards 2017-07-10 14:26:03 -04:00
MAINTAINERS poplar: add a co-maintainer for poplar board 2018-12-15 11:49:56 -05:00
Makefile SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
poplar.c env: Move env_get() to env.h 2019-08-11 16:43:41 -04:00
README ARM64: poplar: hi3798cv200: u-boot support for Poplar 96Boards 2017-07-10 14:26:03 -04:00

README

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================================================================================
			Board Information
================================================================================

Developed by HiSilicon, the board features the Hi3798C V200 with an
integrated quad-core 64-bit ARM Cortex A53 processor and high
performance Mali T720 GPU, making it capable of running any commercial
set-top solution based on Linux or Android. Its high performance
specification also supports a premium user experience with up to H.265
HEVC decoding of 4K video at 60 frames per second.

SOC  Hisilicon Hi3798CV200
CPU  Quad-core ARM Cortex-A53 64 bit
DRAM DDR3/3L/4 SDRAM interface, maximum 32-bit data width 2 GB
USB  Two USB 2.0 ports One USB 3.0 ports
CONSOLE  USB-micro port for console support
ETHERNET  1 GBe Ethernet
PCIE  One PCIe 2.0 interfaces
JTAG  8-Pin JTAG
EXPANSION INTERFACE  Linaro 96Boards Low Speed Expansion slot
DIMENSION Standard 160×120 mm 96Boards Enterprice Edition form factor
WIFI  802.11AC 2*2 with Bluetooth
CONNECTORS  One connector for Smart Card One connector for TSI


================================================================================
			BUILD INSTRUCTIONS
================================================================================

Note of warning:
================

U-boot has a *strong* dependency with the l-loader and the arm trusted firmware
repositories.

The boot sequence is:
	l-loader --> arm_trusted_firmware --> u-boot

U-Boot needs to be aware of the BL31 runtime location and size to avoid writing
over it. Currently, BL31 is being placed below the kernel text offset (check
poplar.c) but this could change in the future.

The current version of u-boot has been tested with:
 - https://github.com/Linaro/poplar-l-loader.git

	commit f0988698dcc5c08bd0a8f50aa0457e138a5f438c
	Author: Alex Elder <elder@linaro.org>
	Date:   Fri Jun 16 08:57:59 2017 -0500

    l-loader: use external memory region definitions

    The ARM Trusted Firmware code now has a header file that collects
    all the definitions for the memory regions used for its boot stages.
    Include that file where needed, and use the definitions found therein

    Signed-off-by: Alex Elder <elder@linaro.org>


 - https://github.com/Linaro/poplar-arm-trusted-firmware.git

	commit 6ac42dd3be13c99aa8ce29a15073e2f19d935f68
	Author: Alex Elder <elder@linaro.org>
	Date:   Fri Jun 16 09:24:50 2017 -0500

    poplar: define memory regions in a separate file

    Separate the definitions for memory regions used for the BL stage
    images and FIP into a new file.  The "l-loader" image uses knowledge
    of the sizes and locations of these memory regions, and it can now
    include this (external) header to get these definitions, rather than
    having to make coordinated changes to both code bases.

    The new file has a complete set of definitions (more than may be
    required by one or the other user).  It also includes a summary of
    how the boot process works, and how it uses these regions.

    It should now be relatively easy to adjust the sizes and locations
    of these memory regions, or to add to them (e.g. for TEE).

    Signed-off-by: Alex Elder <elder@linaro.org>


Compile from source:
====================

Get all the sources

  > mkdir -p ~/poplar/src ~/poplar/bin
  > cd ~/poplar/src
  > git clone https://github.com/Linaro/poplar-l-loader.git l-loader
  > git clone https://github.com/Linaro/poplar-arm-trusted-firmware.git atf
  > git clone https://github.com/Linaro/poplar-u-boot.git u-boot

Make sure you are using the correct branch on each one of these repositories.
The definition of "correct" might change over time (at this moment in time this
would be the "latest" branch).

Compile U-Boot:
===============

  Prerequisite:
  # sudo apt-get install device-tree-compiler

  > cd ~/poplar/src/u-boot
  > make CROSS_COMPILE=aarch64-linux-gnu- poplar_defconfig
  > make CROSS_COMPILE=aarch64-linux-gnu-
  > cp u-boot.bin ~/poplar/bin

Compile ARM Trusted Firmware (ATF):
===================================

  > cd ~/poplar/src/atf
  > make CROSS_COMPILE=aarch64-linux-gnu- all fip \
		SPD=none BL33=~/poplar/bin/u-boot.bin DEBUG=1 PLAT=poplar

Copy resulting binaries
  > cp build/hi3798cv200/debug/bl1.bin ~/poplar/src/l-loader/atf/
  > cp build/hi3798cv200/debug/fip.bin ~/poplar/src/l-loader/atf/

Compile l-loader:
=================

  > cd ~/poplar/src/l-loader
  > make clean
  > make CROSS_COMPILE=arm-linux-gnueabi-

   Due to BootROM requiremets, rename l-loader.bin to fastboot.bin:
  > cp l-loader.bin ~/poplar/bin/fastboot.bin


================================================================================
			FLASH INSTRUCTIONS
================================================================================

Two methods:

Using USB debrick support:
	Copy fastboot.bin to a FAT partition on the USB drive and reboot the
       poplar board while pressing S3(usb_boot).

       The system will execute the new u-boot and boot into a shell which you
       can then use to write to eMMC.

Using U-BOOT from shell:
	1) using AXIS usb ethernet dongle and tftp
	2) using FAT formated USB drive


1. TFTP (USB ethernet dongle)
=============================

Plug a USB AXIS ethernet dongle on any of the USB2 ports on the Poplar board.
Copy fastboot.bin to your tftp server.
In u-boot make sure your network is properly setup.

Then

=> tftp 0x30000000 fastboot.bin
starting USB...
USB0:   USB EHCI 1.00
scanning bus 0 for devices... 1 USB Device(s) found
USB1:   USB EHCI 1.00
scanning bus 1 for devices... 3 USB Device(s) found
       scanning usb for storage devices... 0 Storage Device(s) found
       scanning usb for ethernet devices... 1 Ethernet Device(s) found
Waiting for Ethernet connection... done.
Using asx0 device
TFTP from server 192.168.1.4; our IP address is 192.168.1.10
Filename 'poplar/fastboot.bin'.
Load address: 0x30000000
Loading: #################################################################
	 #################################################################
	 ###############################################################
	 2 MiB/s
done
Bytes transferred = 983040 (f0000 hex)

=> mmc write 0x30000000 0 0x780

MMC write: dev # 0, block # 0, count 1920 ... 1920 blocks written: OK
=> reset


2. USING USB FAT DRIVE
=======================

Copy fastboot.bin to any partition on a FAT32 formated usb flash drive.
Enter the uboot prompt

=> fatls usb 0:2
   983040   fastboot.bin

1 file(s), 0 dir(s)

=> fatload usb 0:2 0x30000000 fastboot.bin
reading fastboot.bin
983040 bytes read in 44 ms (21.3 MiB/s)

=> mmc write 0x30000000 0 0x780

MMC write: dev # 0, block # 0, count 1920 ... 1920 blocks written: OK


================================================================================
				BOOT TRACE
================================================================================

Bootrom start
Boot Media: eMMC
Decrypt auxiliary code ...OK

lsadc voltage min: 000000FE, max: 000000FF, aver: 000000FE, index: 00000000

Entry boot auxiliary code

Auxiliary code - v1.00
DDR code - V1.1.2 20160205
Build: Mar 24 2016 - 17:09:44
Reg Version:  v134
Reg Time:     2016/03/18 09:44:55
Reg Name:     hi3798cv2dmb_hi3798cv200_ddr3_2gbyte_8bitx4_4layers.reg

Boot auxiliary code success
Bootrom success

LOADER:  Switched to aarch64 mode
LOADER:  Entering ARM TRUSTED FIRMWARE
LOADER:  CPU0 executes at 0x000ce000

INFO:    BL1: 0xe1000 - 0xe7000 [size = 24576]
NOTICE:  Booting Trusted Firmware
NOTICE:  BL1: v1.3(debug):v1.3-372-g1ba9c60
NOTICE:  BL1: Built : 17:51:33, Apr 30 2017
INFO:    BL1: RAM 0xe1000 - 0xe7000
INFO:    BL1: Loading BL2
INFO:    Loading image id=1 at address 0xe9000
INFO:    Image id=1 loaded at address 0xe9000, size = 0x5008
NOTICE:  BL1: Booting BL2
INFO:    Entry point address = 0xe9000
INFO:    SPSR = 0x3c5
NOTICE:  BL2: v1.3(debug):v1.3-372-g1ba9c60
NOTICE:  BL2: Built : 17:51:33, Apr 30 2017
INFO:    BL2: Loading BL31
INFO:    Loading image id=3 at address 0x129000
INFO:    Image id=3 loaded at address 0x129000, size = 0x8038
INFO:    BL2: Loading BL33
INFO:    Loading image id=5 at address 0x37000000
INFO:    Image id=5 loaded at address 0x37000000, size = 0x58f17
NOTICE:  BL1: Booting BL31
INFO:    Entry point address = 0x129000
INFO:    SPSR = 0x3cd
INFO:    Boot bl33 from 0x37000000 for 364311 Bytes
NOTICE:  BL31: v1.3(debug):v1.3-372-g1ba9c60
NOTICE:  BL31: Built : 17:51:33, Apr 30 2017
INFO:    BL31: Initializing runtime services
INFO:    BL31: Preparing for EL3 exit to normal world
INFO:    Entry point address = 0x37000000
INFO:    SPSR = 0x3c9


U-Boot 2017.05-rc2-00130-gd2255b0 (Apr 30 2017 - 17:51:28 +0200)poplar

Model: HiSilicon Poplar Development Board
BOARD: Hisilicon HI3798cv200 Poplar
DRAM:  1 GiB
MMC:   Hisilicon DWMMC: 0
In:    serial@f8b00000
Out:   serial@f8b00000
Err:   serial@f8b00000
Net:   Net Initialization Skipped
No ethernet found.

Hit any key to stop autoboot:  0
starting USB...
USB0:   USB EHCI 1.00
scanning bus 0 for devices... 1 USB Device(s) found
USB1:   USB EHCI 1.00
scanning bus 1 for devices... 4 USB Device(s) found
       scanning usb for storage devices... 1 Storage Device(s) found
       scanning usb for ethernet devices... 1 Ethernet Device(s) found

USB device 0:
    Device 0: Vendor: SanDisk Rev: 1.00 Prod: Cruzer Blade
	    Type: Removable Hard Disk
	    Capacity: 7632.0 MB = 7.4 GB (15630336 x 512)
... is now current device
Scanning usb 0:1...
=>