diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.rockchip | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/doc/README.rockchip b/doc/README.rockchip index e0572c8..c218a8b 100644 --- a/doc/README.rockchip +++ b/doc/README.rockchip @@ -36,11 +36,12 @@ You will need: Building ======== -At present three RK3288 boards are supported: +At present four RK3288 boards are supported: - Firefly RK3288 - use firefly-rk3288 configuration - Radxa Rock 2 - use rock2 configuration - Hisense Chromebook - use chromebook_jerry configuration + - EVB RK3288 - use evb-rk3288 configuration Two RK3036 board are supported: @@ -119,6 +120,20 @@ something like: Hit any key to stop autoboot: 0 => +The rockchip bootrom can load and boot an initial spl, then continue to +load a second-level bootloader(ie. U-BOOT) as soon as it returns to bootrom. +Therefore RK3288 has another loading sequence like RK3036. The option of +U-Boot is controlled with this setting in U-Boot: + + #define CONFIG_ROCKCHIP_SPL_BACK_TO_BROM + +You can create the image via the following operations: + + ./firefly-rk3288/tools/mkimage -n rk3288 -T rksd -d \ + firefly-rk3288/spl/u-boot-spl-dtb.bin out && \ + cat firefly-rk3288/u-boot-dtb.bin >> out && \ + sudo dd if=out of=/dev/sdc seek=64 + If you have an HDMI cable attached you should see a video console. For evb_rk3036 board: @@ -129,6 +144,32 @@ For evb_rk3036 board: Note: rk3036 SDMMC and debug uart use the same iomux, so if you boot from SD, the debug uart must be disabled +Using fastboot on rk3288 +======================== +- Define GPT partition layout like kylin_rk3036(see include/configs/kylin_rk3036.h) +- Write GPT partition layout to mmc device which fastboot want to use it to +store the image + + => gpt write mmc 1 $partitions + +- Invoke fastboot command to prepare + + => fastboot 1 + +- Start fastboot request on PC + + fastboot -i 0x2207 flash loader evb-rk3288/spl/u-boot-spl-dtb.bin + +You should see something like: + + => fastboot 1 + WARNING: unknown variable: partition-type:loader + Starting download of 357796 bytes + .. + downloading of 357796 bytes finished + Flashing Raw Image + ........ wrote 357888 bytes to 'loader' + Booting from SPI ================ |