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authorVenkata Krishna Nimmagadda <venkata.krishna.nimmagadda@intel.com>2020-01-15 10:13:26 -0800
committerPatrick Georgi <pgeorgi@google.com>2020-03-11 14:39:06 +0000
commitc34bb3807c9318742d7a1224a38bf03fda0c1723 (patch)
treeca08a50cb09a4e1662a42b901753560c880a0de6 /Documentation/arch
parent35d78437991a60882f52dcfe0f653966f10041ff (diff)
mb/google/volteer: Enable pcie rp11 for optane
Optane memory module shows up as 2 NVMe devices in x2 config - NVMe storage device and NVMe Optane memory. Storage device uses rp9 and optane memory uses rp11. This patch enables rp11. Please note that these two share clk related pins. Configuring pciecontroller3 to be set from 2x2. This will by done by auto detecting optane memory: enabling HybridStorageMode. BUG=b:148604250 BRANCH=chromeos TEST='Build, boot and look for two NVMe devices with lspci on Volteer' Cq-Depend: chrome-internal:2501837 Signed-off-by: Venkata Krishna Nimmagadda <venkata.krishna.nimmagadda@intel.com> Change-Id: I5430829b496ed275e2e3bda3c0bf21c3d2132628 Reviewed-on: https://chrome-internal-review.googlesource.com/c/chromeos/third_party/coreboot-intel-private/jsl-tgl/+/2424428 Tested-by: Wonkyu Kim <wonkyu.kim@intel.corp-partner.google.com> Reviewed-by: Nick Vaccaro <nvaccaro@google.com> Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39420 Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com> Reviewed-by: Caveh Jalali <caveh@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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