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https://github.com/AsahiLinux/u-boot
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The bank0 ram size should be the DRAM size minus reserved size, the DRAM size may be 1GB, 2GB, 4GB, we can not hard code it. Signed-off-by: Kever Yang <kever.yang@rock-chips.com> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Added DECLARE_GLOBAL_DATA_PTR for RK3328, RK3368 and RK3399: Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> |
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Here is the step-by-step to boot to U-Boot on rk3368. Get miniloader and trust.img form rockchip vendor u-boot source code ============================================================================== > git clone https://github.com/rockchip-linux/u-boot.git rockchip-uboot > cd rockchip-uboot > make rk3368_defconfig /*chose px5_defconfig if you run a px5 platform here*/ > ./mkv8.sh Compile the upstream U-Boot =========================== > cd u-boot > make CROSS_COMPILE=aarch64-linux-gnu- sheep-rk3368_defconfig all Package u-boot for miniloader ================================ > ../rockchip-uboot/tools/loaderimage --pack --uboot u-boot.bin u-boot.img Flash the image by rkdeveloptool ================================ rkdeveloptool can get from https://github.com/rockchip-linux/rkdeveloptool.git Power on(or reset with RESET KEY) with MASKROM KEY preesed, and then: > rkdeveloptool db ./rockchip-uboot/rk3368_loader_v2.00.256.bin > rkdeveloptool wl 0x6000 ./rockchip-uboot/trust.img > rkdeveloptool wl 0x4000 ./u-boot/u-boot.img > rkdeveloptool RD You should be able to get U-Boot log message from boot console: U-Boot 2017.05-rc3-01094-g9ddd1e8-dirty (May 15 2017 - 15:57:23 +0800) Model: Rockchip sheep board DRAM: 2 GiB MMC: dwmmc@ff0f0000: 0 Using default environment In: serial@ff690000 Out: serial@ff690000 Err: serial@ff690000 Net: Net Initialization Skipped No ethernet found. Hit any key to stop autoboot: 0 =>