When the board boot into sd-card, the init script run and install kernel/u-boot debian packages, which burn firmware to eMMC. We could use it to create a sd-card recovery image. (SDK build scripts can pack kernel/u-boot in deb)īy changing boot order in u-boot, it's possible to let u-boot load kernel and rootfs from sd-card first. It's also possible to do network/usb-disk upgrade in u-boot.īelows are the advantages and disadvantages of using u-boot.īoth yocto and debian use deb as the package manager, so firmware upgrade could be done by deb installation. (Common key detect support is added after 20171218, now the board can enter rockusb mode by pressing recovery key). It could be entered by issuing "reboot ums/fastboot/rockusb" from linux, or add the board-spefic key-detection code Full implementation of the ARM architecture v7-A instruction set, ARM Neon Advanced SIMD (single instruction, multiple data) support for accelerated media and signal processing computation3. Rockchip Rk3026 Secret Codes Rockchip Rk3026 Firmware Review of Rockchip Rk3026 The Rockchip Rk3026 is runnning Android 4.2. Rockchip mainline u-boot have support various upgrade ways, such as rockusb/fastboot/ums, each of them could be used. Dual-core ARM Cortex-A9 processor is a high-performance, low-power, cached application processor2. This guide provides information which will help you choose a firmware upgrade way.īelows are the advantages and disadvantages of using maskrom.
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