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The PNPCFG (EC2I control module) is used to set I/O port base address and IRQ number. On it8320, PNPCFG will be reset while system event PLTRST_L is asserted. This means we can't decode I/O cycles correctly until we re-initialize PNPCFG. We disable this reset source, then we don't need to re-initialize PNPCFG for each PLTRST_L asserted. BRANCH=none BUG=none TEST=MECC board with it8320 + Intel SKL-Y RVP3 and boot to shell. Change-Id: I7efe8f726939245424237c1d153df4f83b39ae6b Signed-off-by: Dino Li <Dino.Li@ite.com.tw> Reviewed-on: https://chromium-review.googlesource.com/810428 Reviewed-by: Randall Spangler <rspangler@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly
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