From 1c7d6584a7811b7785ae5c1e378f14b5ba0971cf Mon Sep 17 00:00:00 2001 From: takeshi_hoshina Date: Mon, 2 Nov 2020 11:07:33 +0900 Subject: basesystem-jj recipes --- bsp/meta-altera/README.md | 33 +++++++++++++++++++++++++++++---- 1 file changed, 29 insertions(+), 4 deletions(-) (limited to 'bsp/meta-altera/README.md') diff --git a/bsp/meta-altera/README.md b/bsp/meta-altera/README.md index cea1dbf6..532333bc 100644 --- a/bsp/meta-altera/README.md +++ b/bsp/meta-altera/README.md @@ -4,6 +4,18 @@ This layer works with poky and Angstrom Please follow the recommended setup procedures of your OE distribution. +Supported u-boot and linux kernels +=== +It is important to understand the support and release of u-boot-socfpga +and linux-socfpga in the github.com/altera-opensource repositories. Only +currently supported and maintained releases/branches are available in the +repository. As such, supported kernel and u-boot releases are updated regularly +in currently supported meta-altera branches. Kernel and u-boot releases +which are no longer supported are removed. + +Supported branches +================== +Only branches listed appropriately in https://wiki.yoctoproject.org/wiki/Stable_branch_maintenance are maintained. Choosing Kernel Versions ========================== @@ -25,6 +37,21 @@ or for the linux-altera-ltsi kernel Please note that older kernels will not compile with GCC 5+ and you will need to specify in your conf/local.conf to revert to older 4.9 toolchain. +Specifying Devicetrees and U-Boot Configurations +================================================== +All of the supported machines select default uboot configurations and devicetrees. These +selections can be overridden in the local.conf or by defining your own machine in your +own layer. + +An example of the is the DE0-Nano-SoC board, which is a supported configuration in the Cyclone5 +machine definition. + + UBOOT_CONFIG = "de0-nano-soc" + UBOOT_EXTLINUX_FDT_default = "../socfpga_cyclone5_de0_nano_soc.dtb" + +The above overrides the uboot configuration, "de0-nano-soc" is a target in u-boot, and configures +distroboot to indicate the de0-nano-soc devicetree. Please keep in mind that not all targets are +using distroboot in u-boot and may require u-boot environment changes. Choosing Toolchain Versions ============================= @@ -48,8 +75,6 @@ For Angstrom: -Send pull requests, patches, comments or questions to yvanderv@opensource.altera.com -and raj.khem@gmail.com +Submit patches via github pull requests, Use github issues to report problems or to send comments -Maintainers: Khem Raj - Yves Vandervennet +Maintainer(s): Khem Raj -- cgit 1.2.3-korg