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authorSubrata Banik <subrata.banik@intel.com>2020-08-05 13:30:30 +0530
committerSubrata Banik <subrata.banik@intel.com>2020-08-07 06:05:12 +0000
commit45caf972ede1e3efcc56d2558cb27171cb8748b6 (patch)
tree12f3fe50dd32f25b3360ea78ad51a92bd2db5363 /Documentation/superio/common/pnp.md
parentad3dceae303cacee3e836e918a26380c9bfe94a2 (diff)
soc/intel/{cnl,icl,jsl,tgl}: Use Bus Master for setting up PWRMBASE
In 'bootblock/pch.c', clear PCI_COMMAND_MASTER (BIT 2) prior to programming PWRMBASE and enable BIT 2 after programming PWRMBASE along with PCI_COMMAND_MEMORY (BIT 1). Also perform below operations 1. Use pci_and_config16 instead of pci read and write 2. Use setbits32 instead of mmio read and write Change-Id: I7a148c718d7d2b618ad6e33d6cec11bd0bce0937 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/44205 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
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