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path: root/src/soc/amd/sabrina/chip.h
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2022-06-13soc/amd/sabrina: only make the available clock outputs configurableFelix Held
Sabrina only has 4 PCIe clock outputs with corresponding clock request pins available, so only make those 4 configurable in devicetree and disable the rest unconditionally. TEST=None Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I5d34fa680dd20a6eec86cc278c1c901b3231df83 Reviewed-on: https://review.coreboot.org/c/coreboot/+/65089 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com> Reviewed-by: Raul Rangel <rrangel@chromium.org>
2022-02-03soc/amd/*/i2c: factor out common I2C pad configurationFelix Held
The I2C pad control registers of Picasso and Cezanne are identical and the one of Sabrina is a superset of it, so factor out the functionality. To avoid having devicetree settings that contain raw register bits, the i2c_pad_control struct is introduced and used. The old Picasso code for this had the RX level hard-coded for 3.3V I2C interfaces, so keep it this way in this patch but add a TODO for future improvements. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I1d70329644b68be3c4a1602f748e09db20cf6de1 Reviewed-on: https://review.coreboot.org/c/coreboot/+/61568 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Raul Rangel <rrangel@chromium.org>
2022-01-27soc/amd/sabrina: drop CPPC codeFelix Held
The CPPC feature isn't available on the Sabrina SoC, so drop the corresponding code. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I71a1b0717571729ebca3600ac433e621cafc4e61 Reviewed-on: https://review.coreboot.org/c/coreboot/+/61096 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
2022-01-25soc/amd/sabrina: add new SoC as copy of soc/amd/cezanneFelix Held
The Cezanne SoC code was initially started as a copy of example/min86 which only provides enough code to make the SoC code build. Then the different parts of the real SoC support was brought in patch by patch which also helped cleaning up and untangling the code. Since the Cezanne SoC code is now in a rather good shape and the Sabrina SoC is similar to the Cezanne SoC from the coreboot side, the new SoC support is started with a copy of the Cezanne code and all the needed changes will be applied on top of that. In order for the build not to fail due to duplicate files, this patch does not only copy the directory, but also replaces most instances of the Cezanne name with Sabrina. Since the needed blobs aren't available in the 3rdparty/amd_blobs repository yet, the Cezanne blobs are used for now so that the build will succeed. As soon as the proper blobs will be available in that repository, the code will be switched over to use them. As suggested by Nico, I added a "TODO: Check if this is still correct" comment to the beginning of every copied file and all SOC_AMD_COMMON_* Kconfig option selects which will be removed after re-verifying that each file and each selected common code block is still correct for the new SoC. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I978ddbdbfd70863acac17d98732936ec2be8fe3c Reviewed-on: https://review.coreboot.org/c/coreboot/+/61077 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>