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2020-06-17smmstore: Verify userspace-provided pointer to protect SMMPatrick Rudolph
Use the introduced functions and verify pointers in the SMMSTORE. Make sure to not overwrite or leak data from SMM and update the documentation as well. Change-Id: I70df08657c3fa0f98917742d8e1a6cb1077e3758 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Signed-off-by: Christian Walter <christian.walter@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41085 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-05-22Documentation: Add info about SoundWire coreboot implementationDuncan Laurie
This change adds a document about the SoundWire implementation in coreboot with details adding new controllers and codecs and connecting them in the mainboard devicetree. BUG=b:146482091 Signed-off-by: Duncan Laurie <dlaurie@google.com> Change-Id: Ibc04442e22acfc03ff86c49c8a7a215ceefc24c7 Reviewed-on: https://review.coreboot.org/c/coreboot/+/40892 Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Sathyanarayana Nujella <sathyanarayana.nujella@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2020-04-28Documentation: Spell vboot all lowercasePatrick Rudolph
Update all occurrences of vboot and spell it lowercase. Change-Id: I432b0db8a3dda43b71844e557a3d89180f25f1c3 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Signed-off-by: Marcello Sylvester Bauer <sylv@sylv.io> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39799 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2019-11-29Documentation: Add SMMSTORE documentationArthur Heymans
This documents the smmstore API. Change-Id: I992c04c0cf9b3f03755cf3fede2c82c6471a5ef4 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/37243 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2019-08-02Documentation/drivers: Fix typo in index.mdTim Wawrzynczak
Change-Id: Ibf8f37d1e1223c5481cf1a40f08d4113bd80ed41 Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34631 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
2019-06-21drivers/ipmi: Add chip opsPatrick Rudolph
* Add chips ops for IPMI KCS. * Get IPMI version over KCS. * Generates ACPI SPMI table for IPMI KCS. * Generates SMBIOS type 38 for IPMI KCS. * Generates ACPI SPMI device for IPMI KCS on LPC device. * Add documentation To use this driver on BMC that support KCS on I/O: 1. Add an entry to the devicetree.cb: chip drivers/ipmi device pnp ca2.0 on end # IPMI KCS end 2. Select IPMI_KCS in Kconfig. 3. (Optional) enable LPC I/O decode for the given address. Tested on Wedge100s. Change-Id: I73cbd2058ccdc5395baf244f31345a85eb0047d7 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/33255 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>