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author | Manjukumar Matha <manjukumar.harthikote-matha@xilinx.com> | 2019-01-29 20:23:57 +0300 |
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committer | Brad Bishop <bradleyb@fuzziesquirrel.com> | 2019-01-30 04:40:55 +0300 |
commit | 2fa642679d96b4ad13c9586c74c9dbf4e089f43f (patch) | |
tree | c4cbc7812054040130d9e9b3c944e2e9b1f86da1 /meta-xilinx | |
parent | f058f4906e5eebc8753404c606393eb5a0999cec (diff) | |
download | openbmc-2fa642679d96b4ad13c9586c74c9dbf4e089f43f.tar.xz |
README.building.md: Update regarding pmu-firmware patch for SPL flow
Update README to include the required pmu-firmware patch for SPL flow
(From meta-xilinx rev: d2cccbabeceec246e92132151d71831f50f74bf1)
Change-Id: I440d0d59daab237b2262452a1d2fef86773e5426
Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha@xilinx.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Diffstat (limited to 'meta-xilinx')
-rw-r--r-- | meta-xilinx/meta-xilinx-bsp/README.building.md | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/meta-xilinx/meta-xilinx-bsp/README.building.md b/meta-xilinx/meta-xilinx-bsp/README.building.md index 54d61c3d4..b127db363 100644 --- a/meta-xilinx/meta-xilinx-bsp/README.building.md +++ b/meta-xilinx/meta-xilinx-bsp/README.building.md @@ -32,6 +32,27 @@ Build the target file system image using `bitbake`: Once complete the images for the target machine will be available in the output directory `tmp/deploy/images/<machine name>/`. +Using SPL flow to build ZU+ +------------------------------ + +The pmufw needs a "configuration object" to know what it should do, and it +expects to receive it at runtime. + +With the U-Boot SPL workflow there's no FSBL, and passing a cfg obj to pmufw is +just not implemented in U-Boot + +To work around this problem a small patch has been developed so that +pm_cfg_obj.c is linked into pmufw and loaded directly, without waiting for it +from the outside. Find the original patch on the meta-topic layer [1] and the +patch updated for pmufw 2018.x here [2]. + +[1] +https://github.com/topic-embedded-products/meta-topic/blob/master/recipes-bsp/pmu-firmware/pmu-firmware_2017.%25.bbappend + +[2] +https://github.com/lucaceresoli/zynqmp-pmufw-builder/blob/master/0001-Load-XPm_ConfigObject-at-boot.patch + + Using multiconfig to build ZU+ ------------------------------ @@ -62,6 +83,7 @@ Workaround: There is additional workaround required in u-boot-xlnx recipe. Add the below dependency do_compile[mcdepends] = "multiconfig:zcu102:pmu:pmu-firmware:do_deploy" + Additional Information ---------------------- |