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authorSrinidhi N Kaushik <srinidhi.n.kaushik@intel.com>2020-11-25 01:07:06 -0800
committerFurquan Shaikh <furquan@google.com>2020-12-08 22:56:31 +0000
commit63afea54f41cb6054d8a3625238424e381a4fada (patch)
tree1845bc50f96b62c0d3342ab785e4c911df399a18 /util/lint/lint-stable-009-old-licenses
parent493937e1d67e734c2ac45f92280f2c2c22a50b85 (diff)
soc/intel/common/dmi: Add DMI driver support
This change allows configuring the General Purpose Memory Range(GPMR) register in BIOS to set up the decoding in DMI. This driver provides the following functionality: 1. Add a helper function dmi_enable_gpmr which takes as input base, limit and destination ID to configure in general purpose memory range registers and then set the GPMR registers in the next available free GMPR and enable the decoding. 2. Add helper function get_available_gpmr which returns available free GPMR. 3. This helper function can be utilized by the fast SPI driver to configure the window for the extended BIOS region. BUG=b:171534504 Signed-off-by: Srinidhi N Kaushik <srinidhi.n.kaushik@intel.com> Change-Id: I34a894e295ecb98fbc4a81282361e851c436a403 Reviewed-on: https://review.coreboot.org/c/coreboot/+/47988 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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