From: Masahiro Yamada Date: Thu, 13 Jul 2017 11:32:16 +0000 (+0900) Subject: doc: uniphier: rework README.uniphier X-Git-Url: http://git.dujemihanovic.xyz/img/static/git-logo.png?a=commitdiff_plain;h=673ac334fc4776064201cf78eec55ce248db1f95;p=u-boot.git doc: uniphier: rework README.uniphier Rework the readme to reflect the latest boot mechanism on ARMv8 SoCs. Signed-off-by: Masahiro Yamada --- diff --git a/doc/README.uniphier b/doc/README.uniphier index e2f3b9a2ec..f21c9d09ce 100644 --- a/doc/README.uniphier +++ b/doc/README.uniphier @@ -5,7 +5,7 @@ U-Boot for UniPhier SoC family Recommended toolchains ---------------------- -The UniPhir platform is well tested with Linaro toolchanis. +The UniPhier platform is well tested with Linaro toolchains. You can download pre-built toolchains from: http://www.linaro.org/downloads/ @@ -14,97 +14,97 @@ You can download pre-built toolchains from: Compile the source ------------------ -sLD3 reference board: - $ make uniphier_sld3_defconfig - $ make CROSS_COMPILE=arm-linux-gnueabihf- +The source can be configured and built with the following commands: -LD4 reference board: - $ make uniphier_ld4_sld8_defconfig - $ make CROSS_COMPILE=arm-linux-gnueabihf- + $ make + $ make CROSS_COMPILE= DEVICE_TREE= -sLD8 reference board: - $ make uniphier_ld4_sld8_defconfig - $ make CROSS_COMPILE=arm-linux-gnueabihf- DEVICE_TREE=uniphier-sld8-ref +The recommended is `arm-linux-gnueabihf-` for 32bit SoCs, +`aarch64-linux-gnu-` for 64bit SoCs, but you may wish to change it to use your +favorite compiler. -Pro4 reference board: - $ make uniphier_pro4_defconfig - $ make CROSS_COMPILE=arm-linux-gnueabihf- +The following tables show and for each board. -Pro4 Ace board: - $ make uniphier_pro4_defconfig - $ make CROSS_COMPILE=arm-linux-gnueabihf- DEVICE_TREE=uniphier-pro4-ace +32bit SoC boards: -Pro4 Sanji board: - $ make uniphier_pro4_defconfig - $ make CROSS_COMPILE=arm-linux-gnueabihf- DEVICE_TREE=uniphier-pro4-sanji + Board | | +---------------|------------------------------|------------------------------ +sLD3 reference | uniphier_sld3_defconfig | uniphier-sld3-ref (default) +LD4 reference | uniphier_ld4_sld8_defconfig | uniphier-ld4-ref (default) +sld8 reference | uniphier_ld4_sld8_defconfig | uniphier-sld8-def +Pro4 reference | uniphier_pro4_defconfig | uniphier-pro4-ref (default) +Pro4 Ace | uniphier_pro4_defconfig | uniphier-pro4-ace +Pro4 Sanji | uniphier_pro4_defconfig | uniphier-pro4-sanji +Pro5 4KBOX | uniphier_pxs2_ld6b_defconfig | uniphier-pro5-4kbox +PXs2 Gentil | uniphier_pxs2_ld6b_defconfig | uniphier-pxs2-gentil +PXs2 Vodka | uniphier_pxs2_ld6b_defconfig | uniphier-pxs2-vodka (default) +LD6b reference | uniphier_pxs2_ld6b_defconfig | uniphier-ld6b-ref -Pro5 4KBOX Board: - $ make uniphier_pxs2_ld6b_defconfig - $ make CROSS_COMPILE=arm-linux-gnueabihf- DEVICE_TREE=uniphier-pro5-4kbox +64bit SoC boards: -PXs2 Gentil board: - $ make uniphier_pxs2_ld6b_defconfig - $ make CROSS_COMPILE=arm-linux-gnueabihf- DEVICE_TREE=uniphier-pxs2-gentil + Board | | +---------------|-----------------------|---------------------------- +LD11 reference | uniphier_v8_defconfig | uniphier-ld11-ref +LD11 Global | uniphier_v8_defconfig | uniphier-ld11-global +LD20 reference | uniphier_v8_defconfig | uniphier-ld20-ref (default) +LD20 Global | uniphier_v8_defconfig | uniphier-ld20-global -PXs2 Vodka board: - $ make uniphier_pxs2_ld6b_defconfig - $ make CROSS_COMPILE=arm-linux-gnueabihf- +For example, to compile the source for PXs2 Vodka board, run the following: -LD6b reference board: $ make uniphier_pxs2_ld6b_defconfig - $ make CROSS_COMPILE=arm-linux-gnueabihf- DEVICE_TREE=uniphier-ld6b-ref + $ make CROSS_COMPILE=arm-linux-gnueabihf- DEVICE_TREE=uniphier-pxs2-vodka -LD11 reference board: - $ make uniphier_v8_defconfig - $ make CROSS_COMPILE=aarch64-linux-gnu- DEVICE_TREE=uniphier-ld11-ref +The device tree marked as (default) can be omitted. `uniphier-pxs2-vodka` is +the default device tree for the configuration `uniphier_pxs2_ld6b_defconfig`, +so the following gives the same result. -LD20 reference board: - $ make uniphier_v8_defconfig - $ make CROSS_COMPILE=aarch64-linux-gnu- - -PXs3 reference board: - $ make uniphier_v8_defconfig - $ make CROSS_COMPILE=aarch64-linux-gnu- DEVICE_TREE=uniphier-pxs3-ref + $ make uniphier_pxs2_ld6b_defconfig + $ make CROSS_COMPILE=arm-linux-gnueabihf- -You may wish to change the "CROSS_COMPILE=..." to use your favorite compiler. +Booting 32bit SoC boards +------------------------ -Burn U-Boot images to NAND --------------------------- +The build command will generate the following: +- u-boot.bin +- spl/u-boot.bin -Write the following to the NAND device: +U-Boot can boot UniPhier 32bit SoC boards by itself. Flash the generated images +to the storage device (NAND or eMMC) on your board. - spl/u-boot-spl.bin at the offset address 0x00000000 - u-boot.bin at the offset address 0x00020000 -or +The `u-boot-with-spl.bin` is the concatenation of the two (with appropriate +padding), so you can also do: - u-boot-with-spl.bin at the offset address 0x00000000 If a TFTP server is available, the images can be easily updated. Just copy the u-boot-spl.bin and u-boot.bin to the TFTP public directory, -and then run the following command at the U-Boot command line: +and run the following command at the U-Boot command line: - => run nandupdate +To update the images in NAND: + => run nandupdate -Burn U-Boot images to eMMC --------------------------- +To update the images in eMMC: -Write the following to the Boot partition 1 of the eMMC device: + => run emmcupdate - - spl/u-boot-spl.bin at the offset address 0x00000000 - - u-boot.bin at the offset address 0x00020000 -or +Booting 64bit SoC boards +------------------------ - - u-boot-with-spl.bin at the offset address 0x00000000 +The build command will generate the following: +- u-boot.bin -If a TFTP server is available, the images can be easily updated. -Just copy the u-boot-spl.bin and u-boot.bin to the TFTP public directory, -and then run the following command at the U-Boot command line: +However, U-Boot is not the first stage loader for UniPhier 64bit SoC boards. +U-Boot serves as a non-secure boot loader loaded by [ARM Trusted Firmware], +so you need to provide the `u-boot.bin` to the build command of ARM Trusted +Firmware. - => run emmcupdate +[ARM Trusted Firmware]: https://github.com/ARM-software/arm-trusted-firmware UniPhier specific commands @@ -179,4 +179,4 @@ newer SoCs. Even if it is, EA[25] is not connected on most of the boards. -- Masahiro Yamada -Jan. 2017 +Jul. 2017