mb/intel/tglrvp: Add support of TPM over SPI
Bug=none
Test=emerge build and boot on tglrvp and check that
tpm is probed successfully from coreboot.
Cq-Depend:chromium-review:1881839
Signed-off-by: Anil Kumar <anil.kumar.k@intel.com>
Change-Id: I4a3aec98f72524e8e2a1834878ef75b9f933ae3e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44698
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Srinidhi N Kaushik <srinidhi.n.kaushik@intel.com>
Reviewed-by: Ravishankar Sarawadi <ravishankar.sarawadi@intel.com>
diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
index ad7eabe..384bc1b 100644
--- a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
+++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb
@@ -9,8 +9,8 @@
# route. i.e. If this route changes then the affected GPE
# offset bits also need to be changed.
register "pmc_gpe0_dw0" = "GPP_B"
- register "pmc_gpe0_dw1" = "GPP_D"
- register "pmc_gpe0_dw2" = "GPP_E"
+ register "pmc_gpe0_dw1" = "GPP_C"
+ register "pmc_gpe0_dw2" = "GPP_D"
# Enable heci1 communication
register "HeciEnabled" = "1"
@@ -86,14 +86,14 @@
register "SerialIoGSpiMode" = "{
[PchSerialIoIndexGSPI0] = PchSerialIoDisabled,
- [PchSerialIoIndexGSPI1] = PchSerialIoDisabled,
+ [PchSerialIoIndexGSPI1] = PchSerialIoPci,
[PchSerialIoIndexGSPI2] = PchSerialIoDisabled,
[PchSerialIoIndexGSPI3] = PchSerialIoDisabled,
}"
register "SerialIoGSpiCsMode" = "{
[PchSerialIoIndexGSPI0] = 0,
- [PchSerialIoIndexGSPI1] = 0,
+ [PchSerialIoIndexGSPI1] = 1,
[PchSerialIoIndexGSPI2] = 0,
[PchSerialIoIndexGSPI3] = 0,
}"
@@ -152,6 +152,10 @@
# Intel Common SoC Config
register "common_soc_config" = "{
.chipset_lockdown = CHIPSET_LOCKDOWN_COREBOOT,
+ .gspi[1] = {
+ .speed_mhz = 1,
+ .early_init = 1,
+ },
.i2c[0] = {
.speed = I2C_SPEED_FAST,
},
@@ -294,8 +298,15 @@
device pci 1d.3 off end # RP12 0xA0B3
device pci 1e.0 off end # UART0 0xA0A8
device pci 1e.1 off end # UART1 0xA0A9
- device pci 1e.2 off end # GSPI0 0xA0AA
- device pci 1e.3 off end # GSPI1 0xA0AB
+ device pci 1e.2 on end # GSPI0 0xA0AA
+ device pci 1e.3 on
+ chip drivers/spi/acpi
+ register "hid" = "ACPI_DT_NAMESPACE_HID"
+ register "compat_string" = ""google,cr50""
+ register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_C22_IRQ)"
+ device spi 0 on end
+ end
+ end # GSPI1 0xA0AB
device pci 1f.0 on
chip ec/google/chromeec
device pnp 0c09.0 on end