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rockchip: update fastboot usage
Introduce how to use fastboot feature on rk3288. Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com> Acked-by: Simon Glass <sjg@chromium.org>
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@ -144,6 +144,32 @@ For evb_rk3036 board:
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Note: rk3036 SDMMC and debug uart use the same iomux, so if you boot from SD, the
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debug uart must be disabled
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Using fastboot on rk3288
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========================
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- Define GPT partition layout like kylin_rk3036(see include/configs/kylin_rk3036.h)
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- Write GPT partition layout to mmc device which fastboot want to use it to
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store the image
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=> gpt write mmc 1 $partitions
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- Invoke fastboot command to prepare
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=> fastboot 1
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- Start fastboot request on PC
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fastboot -i 0x2207 flash loader evb-rk3288/spl/u-boot-spl-dtb.bin
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You should see something like:
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=> fastboot 1
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WARNING: unknown variable: partition-type:loader
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Starting download of 357796 bytes
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..
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downloading of 357796 bytes finished
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Flashing Raw Image
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........ wrote 357888 bytes to 'loader'
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Booting from SPI
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================
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