From 9841fe21197e9cfcbd64ecb257e298b9eec8a385 Mon Sep 17 00:00:00 2001 From: Massimo Pegorer Date: Sat, 9 Sep 2023 11:33:33 +0200 Subject: doc: rockchip: Update and improve info on rk3308, TPL and TF-A Update and improve documentation about build steps for SoCs that require using TF-A and TPL binaries provided by Rockchip, such as rk3308. Add rk3308 boards case to rST document. Add ROCK Pi S in the list of supported boards. Minor page format improvements. Signed-off-by: Massimo Pegorer Reviewed-by: Kever Yang --- doc/board/rockchip/rockchip.rst | 43 +++++++++++++++++++++++++++++++++-------- 1 file changed, 35 insertions(+), 8 deletions(-) (limited to 'doc/board') diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst index 183a9e4..4ca59fd 100644 --- a/doc/board/rockchip/rockchip.rst +++ b/doc/board/rockchip/rockchip.rst @@ -53,6 +53,7 @@ List of mainline supported Rockchip boards: - Google Speedy (chromebook_speedy) - Amarula Vyasa-RK3288 (vyasa-rk3288) * rk3308 + - Radxa ROCK Pi S (rock-pi-s-rk3308) - Rockchip Evb-RK3308 (evb-rk3308) - Roc-cc-RK3308 (roc-cc-rk3308) * rk3326 @@ -143,6 +144,19 @@ To build TF-A: Specify the PLAT= with desired Rockchip platform to build TF-A for. +For SoCs whose TF-A code is not available as open source, use BL31 binary provided by Rockchip: + +.. code-block:: bash + + git clone --depth 1 https://github.com/rockchip-linux/rkbin + +TPL +^^^ + +For some SoCs U-Boot sources lack of support to inizialize DRAM. +In these cases, to get a fully functional image following :ref:`PackageWithTPLandSPL`, use DDR binary provided by Rockchip rkbin repository as ROCKCHIP_TPL when building U-Boot. +Otherwise, follow :ref:`PackageWithRockchipMiniloader`. + U-Boot ^^^^^^ @@ -173,6 +187,15 @@ To build rk3288 boards: make evb-rk3288_defconfig make CROSS_COMPILE=arm-linux-gnueabihf- +To build rk3308 boards: + +.. code-block:: bash + + export BL31=../rkbin/bin/rk33/rk3308_bl31_v2.26.elf + export ROCKCHIP_TPL=../rkbin/bin/rk33/rk3308_ddr_589MHz_uartX_mY_v2.07.bin + make evb-rk3308_defconfig + make CROSS_COMPILE=aarch64-linux-gnu- + To build rk3328 boards: .. code-block:: bash @@ -219,11 +242,13 @@ To build rk3588 boards: Flashing -------- +.. _`PackageWithTPLandSPL`: + 1. Package the image with U-Boot TPL/SPL ------------------------------------------ +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ SD Card -^^^^^^^ +""""""" All Rockchip platforms (except rk3128 which doesn't use SPL) are now supporting a single boot image using binman. @@ -236,7 +261,7 @@ To write an image that boots from a SD card (assumed to be /dev/sda): sync eMMC -^^^^ +"""" eMMC flash would probe on mmc0 in most of the Rockchip platforms. @@ -275,7 +300,7 @@ For Rockchip 32-bit platforms the U-Boot proper image is u-boot-dtb.img SPI -^^^ +""" Write u-boot-rockchip-spi.bin to offset 0 of SPI flash. @@ -287,8 +312,10 @@ Copy u-boot-rockchip-spi.bin into SD card and boot from SD: load mmc 1:1 $kernel_addr_r u-boot-rockchip-spi.bin sf update $fileaddr 0 $filesize +.. _`PackageWithRockchipMiniloader`: + 2. Package the image with Rockchip miniloader ---------------------------------------------- +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Image package with Rockchip miniloader requires rkbin [1]. @@ -328,14 +355,14 @@ Note: 2. 0x200000 is a load address and is an option for some platforms. 3. Package the RK3066 image with U-Boot TPL/SPL on NAND -------------------------------------------------------- +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Unlike later SoC models the rk3066 BootROM doesn't have SDMMC support. If all other boot options fail then it enters into a BootROM mode on the USB OTG port. This method loads TPL/SPL on NAND with U-Boot and kernel on SD card. SD Card -^^^^^^^ +""""""" U-Boot expects a GPT partition map and a boot directory structure with files on the SD card. @@ -370,7 +397,7 @@ To write a U-Boot image to the SD card (assumed to be /dev/sda): sync NAND -^^^^ +"""" Bring device in BootROM mode: -- cgit v1.1