mirror of
https://github.com/u-boot/u-boot.git
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151 lines
4.4 KiB
Plaintext
151 lines
4.4 KiB
Plaintext
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Contents
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========
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1. Introduction
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2. Get the Source and prebuild binary
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3. Compile the U-Boot
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4. Compile the rkdeveloptool
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5. Package the image
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5.1. Package the image for U-Boot SPL(option 1)
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5.2. Package the image for Rockchip miniloader(option 2)
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6. Bootloader storage options
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7. Flash the image to eMMC
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7.1. Flash the image with U-Boot SPL(option 1)
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7.2. Flash the image with Rockchip miniloader(option 2)
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8. Create a bootable SD/MMC
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9. And that is it
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Introduction
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============
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Rock960 board family consists of Rock960 (Consumer Edition) and
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Ficus (Enterprise Edition) 96Boards featuring Rockchip RK3399 SoC.
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Common features implemented on both boards:
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* CPU: ARMv8 64bit Big-Little architecture,
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* Big: dual-core Cortex-A72
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* Little: quad-core Cortex-A53
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* IRAM: 200KB
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* eMMC: 16/32GB eMMC 5.1
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* PMU: RK808
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* SD/MMC
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* Display: HDMI/DP/MIPI
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* Low Speed Expansion Connector
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* High Speed Expansion Connector
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Additional features of Rock960:
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* DRAM: 2GB/4GB LPDDR3 @ 1866MHz
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* 1x USB 3.0 type A, 1x USB 2.0 type A (host mode only),
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1x USB 3.0 type C OTG
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Additional features of Ficus:
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* DRAM: 2GB/4GB DDR3 @ 1600MHz
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* Ethernet
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* 2x USB 3.0 type A, 2x USB 2.0 type A (host mode only),
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1x USB 3.0 type C OTG
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Here is the step-by-step to boot to U-Boot on Rock960 boards.
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Get the Source and prebuild binary
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==================================
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> git clone https://github.com/96rocks/rkbin.git
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> git clone https://github.com/rockchip-linux/rkdeveloptool.git
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Compile the U-Boot
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==================
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> cd ../u-boot
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> cp ../rkbin/rk33/rk3399_bl31_v1.00.elf ./bl31.elf
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> export CROSS_COMPILE=aarch64-linux-gnu-
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> make rock960-rk3399_defconfig
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> make
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Compile the rkdeveloptool
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=========================
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Follow instructions in latest README
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> cd ../rkdeveloptool
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> autoreconf -i
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> ./configure
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> make
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> sudo make install
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Package the image
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=================
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Package the image for U-Boot SPL(option 1)
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--------------------------------
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> cd ..
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> tools/mkimage -n rk3399 -T rksd -d spl/u-boot-spl.bin idbspl.img
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Get idbspl.img in this step.
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Package the image for Rockchip miniloader(option 2)
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------------------------------------------
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> cd ../rkbin
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> ./tools/loaderimage --pack --uboot u-boot/u-boot-dtb.bin uboot.img 0x200000
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> ../u-boot/tools/mkimage -n rk3399 -T rksd -d rk3399_ddr_933MHz_v1.08.bin idbloader.img
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> cat ./rk33/rk3399_miniloader_v1.06.bin >> idbloader.img
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Get uboot.img and idbloader.img in this step.
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Bootloader storage options
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==========================
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There are a few different storage options for the bootloader.
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This document explores two of these: eMMC and removable SD/MMC.
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Flash the image to eMMC
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=======================
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Flash the image with U-Boot SPL(option 1)
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-------------------------------
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Power on(or reset with RESET KEY) with MASKROM KEY preesed, and then:
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> rkdeveloptool db rkbin/rk33/rk3399_loader_v1.08.106.bin
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> rkdeveloptool wl 64 u-boot/idbspl.img
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> rkdeveloptool wl 0x4000 u-boot/u-boot.itb
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> rkdeveloptool rd
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Flash the image with Rockchip miniloader(option 2)
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----------------------------------------
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Power on(or reset with RESET KEY) with MASKROM KEY preesed, and then:
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> rkdeveloptool db rkbin/rk33/rk3399_loader_v1.08.106.bin
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> rkdeveloptool wl 0x40 idbloader.img
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> rkdeveloptool wl 0x4000 uboot.img
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> rkdeveloptool wl 0x6000 ./img/rk3399/trust.img
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> rkdeveloptool rd
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Create a bootable SD/MMC
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========================
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The idbspl.img contains the first stage, and the u-boot.img the second stage.
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As explained in the Rockchip partition table reference [1], the first stage
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(aka loader1) start sector is 64, and the second stage start sector is 16384.
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Each sector is 512 bytes, which means the first stage offset is 32 KiB,
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and the second stage offset is 8 MiB.
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Note: the second stage location is actually not as per the spec,
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but defined by the SPL. Mainline SPL defines an 8 MiB offset for the second
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stage.
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Assuming the SD card is exposed by device /dev/mmcblk0, the commands
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to write the two stages are:
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> dd if=idbspl.img of=/dev/mmcblk0 bs=1k seek=32
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> dd if=u-boot.itb of=/dev/mmcblk0 bs=1k seek=8192
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Setting up the kernel and rootfs is beyond the scope of this document.
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And that is it
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==============
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You should be able to get U-Boot log in console/UART2(baurdrate 1500000)
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For more detail, please reference [2].
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[1] http://opensource.rock-chips.com/wiki_Partitions
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[2] http://opensource.rock-chips.com/wiki_Boot_option
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