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authorStefan Tauner <stefan.tauner@gmx.at>2018-08-15 08:06:13 +0200
committerPatrick Georgi <pgeorgi@google.com>2018-08-16 16:31:00 +0000
commit97c8089430869c1e2016b805703adbb0b038ab2a (patch)
tree7008406efba5a5808eddf9c51d405e5a3b1e3f4c /src/mainboard/asus/kcma-d8
parentcc68034ee9dfafab9ce2ac90d53299559a306980 (diff)
sb/intel/i82801[ij]x: do not set Chipset Initialization Register (CIR) 5
The specification updates for ICH 9 & 10 require to leave the register in its default state by reserving all of its bits. Writing to it does not seem to make a difference anyway since reading it afterwards does not reflect the write (tested on ICH10). Therefore we should omit the writes but document this fact in the code because it is easy to miss from the datasheet alone. Change-Id: Iec0d79f926a826a80b90907f7861d0cb2ca30a5b Signed-off-by: Stefan Tauner <stefan.tauner@gmx.at> Reviewed-on: https://review.coreboot.org/28094 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
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