| Message ID | 20240801160610.101859-1-mstrodl@csh.rit.edu |
|---|---|
| Headers | show |
| Series | Add support for Congatec CGEB BIOS interface | expand |
Hi Mary, On Thu, Aug 01, 2024 at 12:06:08PM GMT, Mary Strodl wrote: > The following series adds support for the Congatec CGEB interface > found on some Congatec x86 boards. The CGEB interface is a BIOS > interface which provides access to onboard peripherals like I2C > busses and watchdogs. It works by mapping BIOS code and searching > for magic values which specify the entry points to the CGEB call. > The CGEB call is an API provided by the BIOS which provides access > to the functions in an ioctl like fashion. > > At the request of some folks last time this series went out, CGEB > now has a userspace component which runs the x86 blob (rather than > running it directly in the kernel), which sends requests back and > forth using the cn_netlink API. this little paragraph is the closest to a changelog I can see. Could you please write up a real changlog and list all the changes from v1 to v2? You can do it as reply to this e-mail, but please, next time do it either in the cover letter or for each patch. Thanks, Andi > You can find a reference implementation of the userspace helper here: > https://github.com/Mstrodl/cgeb-helper > > I didn't get an answer when I asked where the userspace component > should live, so I didn't put a ton of work into getting the helper > up to snuff since similar userspace helpers (like v86d) are not > in-tree. If folks would like the helper in-tree, that's fine too. > > This series is based on the excellent work of Sascha Hauer and > Christian Gmeiner. You can find their original work here: > > http://patchwork.ozlabs.org/patch/219756/ > http://patchwork.ozlabs.org/patch/219755/ > http://patchwork.ozlabs.org/patch/219757/ > > http://patchwork.ozlabs.org/patch/483262/ > http://patchwork.ozlabs.org/patch/483264/ > http://patchwork.ozlabs.org/patch/483261/ > http://patchwork.ozlabs.org/patch/483263/ > > Mary Strodl (1): > x86: Add basic support for the Congatec CGEB BIOS interface > > Sascha Hauer (1): > i2c: Add Congatec CGEB I2C driver > > drivers/i2c/busses/Kconfig | 7 + > drivers/i2c/busses/Makefile | 1 + > drivers/i2c/busses/i2c-congatec-cgeb.c | 189 ++++ > drivers/mfd/Kconfig | 10 + > drivers/mfd/Makefile | 1 + > drivers/mfd/congatec-cgeb.c | 1139 ++++++++++++++++++++++++ > include/linux/mfd/congatec-cgeb.h | 111 +++ > include/uapi/linux/connector.h | 4 +- > 8 files changed, 1461 insertions(+), 1 deletion(-) > create mode 100644 drivers/i2c/busses/i2c-congatec-cgeb.c > create mode 100644 drivers/mfd/congatec-cgeb.c > create mode 100644 include/linux/mfd/congatec-cgeb.h > > -- > 2.45.2 >