diff options
| author | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2021-02-11 13:39:19 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-02-15 08:25:36 +0000 |
| commit | ad21d6bfcaa5fb5c5bd9cc34dee0c7ef8c85ea42 (patch) | |
| tree | 8fe734672f59b08c3d3c9131dc19d9446c549358 /src/mainboard/google/brya/variants | |
| parent | 91a2cd47702405870947205962c18e5a3c7207ca (diff) | |
mb/google/brya: Enable cr50 support
Add Kconfig options and devicetree entries for cr50 TPM.
BUG=b:180017621
TEST=verify (via console) successful cr50 communications in
verstage and payload (depthcharge).
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: I80e27d0377960fb81f9149efb6f062d06432d40d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50567
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Diffstat (limited to 'src/mainboard/google/brya/variants')
| -rw-r--r-- | src/mainboard/google/brya/variants/baseboard/devicetree.cb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/baseboard/devicetree.cb b/src/mainboard/google/brya/variants/baseboard/devicetree.cb index 647ea42ffe..b6b49dc361 100644 --- a/src/mainboard/google/brya/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/brya/variants/baseboard/devicetree.cb @@ -3,6 +3,16 @@ chip soc/intel/alderlake device lapic 0 on end end + # This disabled autonomous GPIO power management, otherwise + # old cr50 FW only supports short pulses; need to clarify + # the minimum PCH IRQ pulse width with Intel, b/180111628 + register "gpio_override_pm" = "1" + register "gpio_pm[COMM_0]" = "0" + register "gpio_pm[COMM_1]" = "0" + register "gpio_pm[COMM_2]" = "0" + register "gpio_pm[COMM_4]" = "0" + register "gpio_pm[COMM_5]" = "0" + register "usb2_ports[0]" = "USB2_PORT_TYPE_C(OC0)" # USB2_C0 register "usb2_ports[1]" = "USB2_PORT_TYPE_C(OC1)" # USB2_C1 register "usb2_ports[2]" = "USB2_PORT_TYPE_C(OC2)" # USB2_C2 @@ -90,6 +100,14 @@ chip soc/intel/alderlake device generic 0 on end end end + device ref i2c3 on + chip drivers/i2c/generic + register "hid" = "ACPI_DT_NAMESPACE_HID" + register "compat_string" = ""google,cr50"" + register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_A13_IRQ)" + device i2c 50 on end + end + end device ref heci1 on end device ref sata on end device ref pcie_rp5 on |