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authorHarsha B R <harsha.b.r@intel.com>2023-02-04 10:32:20 +0530
committerSridhar Siricilla <sridhar.siricilla@intel.com>2023-02-07 05:37:29 +0000
commit9e61ca5674bf01950b4ab54ece3892a0937be379 (patch)
tree6d2feb501497139b4fcef50ec96fe6d604b12fa0 /src/mainboard/intel
parent1a832d0c0678bef87e5f98cdee359cb305bcde8c (diff)
mb/intel/mtlrvp: Enable PCIe port 7 for WWAN
This patch enables PCIe port for WWAN as per mtlrvp schematics BUG=b:224325352 BRANCH=None TEST=Build and boot mtlrvp to ChromeOS. Ensure that WWAN module gets enumerated with cbmem -c. \_SB.PCI0.RP07: Enable RTD3 for PCI: 00:1c.6 (Intel PCIe Runtime D3) \_SB.PCI0.RP07: Enable WWAN for PCI: 00:1c.6 (Fibocom FM-350-GL) Signed-off-by: Harsha B R <harsha.b.r@intel.com> Change-Id: Ib372db9642a3c7b3a21a112fa0e6e0b4bc88a9ea Signed-off-by: Jamie Ryu <jamie.m.ryu@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/72777 Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Reviewed-by: Sridhar Siricilla <sridhar.siricilla@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/intel')
-rw-r--r--src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb b/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb
index 628a8cba01..1573cdffbb 100644
--- a/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb
+++ b/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb
@@ -79,6 +79,14 @@ chip soc/intel/meteorlake
device ref tcss_xhci on end
device ref tcss_dma0 on end
device ref tcss_dma1 on end
+ device ref pcie_rp7 on
+ # Enable PCH PCIE RP 7 using CLK 1
+ register "pcie_rp[PCIE_RP(7)]" = "{
+ .clk_src = 1,
+ .clk_req = 1,
+ .flags = PCIE_RP_CLK_REQ_DETECT | PCIE_RP_LTR,
+ }"
+ end # WWAN
device ref pcie_rp10 on
# Enable SSD Gen4 PCIE 10 using CLK 8
register "pcie_rp[PCIE_RP(10)]" = "{