X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=doc%2FREADME.rockchip;h=12fec38139c827a2d4511b97a1694984d473ce15;hb=0d7f1ae0fe6c0d9af2c0208aab4843ec3fdfaf52;hp=43cafc7bd6a4cec8a1669d907c98c33cce6ebdfe;hpb=0675f992dbf4a785a05a1baf149c2bce6aa5fe90;p=u-boot diff --git a/doc/README.rockchip b/doc/README.rockchip index 43cafc7bd6..12fec38139 100644 --- a/doc/README.rockchip +++ b/doc/README.rockchip @@ -36,15 +36,17 @@ You will need: Building ======== -At present seven RK3288 boards are supported: +At present nine RK3288 boards are supported: - EVB RK3288 - use evb-rk3288 configuration - Fennec RK3288 - use fennec-rk3288 configuration - Firefly RK3288 - use firefly-rk3288 configuration - Hisense Chromebook - use chromebook_jerry configuration - - Miniarm RK3288 - use miniarm-rk3288 configuration + - MiQi RK3288 - use miqi-rk3288 configuration + - phyCORE-RK3288 RDK - use phycore-rk3288 configuration - PopMetal RK3288 - use popmetal-rk3288 configuration - Radxa Rock 2 - use rock2 configuration + - Tinker RK3288 - use tinker-rk3288 configuration Two RK3036 board are supported: @@ -128,7 +130,7 @@ 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 + #define CONFIG_SPL_ROCKCHIP_BACK_TO_BROM You can create the image via the following operations: @@ -147,6 +149,32 @@ 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 + +Booting from an SD card on RK3188 +================================= + +For rk3188 boards the general storage onto the card stays the same as +described above, but the image creation needs a bit more care. + +The bootrom of rk3188 expects to find a small 1kb loader which returns +control to the bootrom, after which it will load the real loader, which +can then be up to 29kb in size and does the regular ddr init. + +Additionally the rk3188 requires everything the bootrom loads to be +rc4-encrypted. Except for the very first stage the bootrom always reads +and decodes 2kb pages, so files should be sized accordingly. + +# copy tpl, pad to 1020 bytes and append spl +cat tpl/u-boot-tpl.bin > tplspl.bin +truncate -s 1020 tplspl.bin +cat spl/u-boot-spl.bin >> tplspl.bin +tools/mkimage -n rk3188 -T rksd -d tplspl.bin out + +# truncate, encode and append u-boot.bin +truncate -s %2048 u-boot.bin +cat u-boot.bin | split -b 512 --filter='openssl rc4 -K 7C4E0304550509072D2C7B38170D1711' >> out + + Using fastboot on rk3288 ======================== - Write GPT partition layout to mmc device which fastboot want to use it to