From ba03d8de63c4dd5f10d93727e129383ef7196bde Mon Sep 17 00:00:00 2001 From: V Sowmya Date: Tue, 6 Jun 2017 21:56:53 +0530 Subject: mb/google/poppy: Configure ports and endpoints for sensor and CIO2 devices Bind the camera sensor and CIO2 devices through the ports and endpoints configuration available in _DSD ACPI object. * Port represents an interface in a device. * Endpoint represents a connection to that interface. BUG=b:38326541 BRANCH=none TEST=Build and boot poppy. Dump and verify that the generated DSDT table has the required entries. Change-Id: I6d822165bb9a0cd6f7d4cdcb36333887953110a3 Signed-off-by: V Sowmya Reviewed-on: https://review.coreboot.org/20053 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh --- src/mainboard/google/poppy/acpi/ipu_mainboard.asl | 74 +++++++++++++++++++++++ src/mainboard/google/poppy/acpi/mipi_camera.asl | 73 +++++++++++++++++++++- src/mainboard/google/poppy/dsdt.asl | 1 + 3 files changed, 147 insertions(+), 1 deletion(-) create mode 100644 src/mainboard/google/poppy/acpi/ipu_mainboard.asl diff --git a/src/mainboard/google/poppy/acpi/ipu_mainboard.asl b/src/mainboard/google/poppy/acpi/ipu_mainboard.asl new file mode 100644 index 0000000000..3cf82ae162 --- /dev/null +++ b/src/mainboard/google/poppy/acpi/ipu_mainboard.asl @@ -0,0 +1,74 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2017 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +Scope (\_SB.PCI0.CIO2) +{ + /* Define two ports for CIO2 device where endpoint of port0 + is connected to CAM0 and endpoint of port1 is connected to CAM1 */ + + Name (_DSD, Package () { + ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"), + Package () { + Package () { "port0", "PRT0" }, + Package () { "port1", "PRT1" }, + } + }) + + Name (PRT0, Package () { + ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), + Package () { + Package () { "port", 0 }, /* csi 0 */ + }, + ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"), + Package () { + Package () { "endpoint0", "EP00" }, + } + }) + + Name (EP00, Package() { + ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), + Package () { + Package () { "endpoint", 0 }, + Package () { "clock-lanes", 0 }, + Package () { "data-lanes", Package () { 1, 2, 3, 4 } }, + Package () { "remote-endpoint", + Package() { \_SB.PCI0.I2C2.CAM0, 0, 0 } + }, + } + }) + + Name (PRT1, Package () { + ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), + Package () { + Package () { "port", 1 }, /* csi 1 */ + }, + ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"), + Package () { + Package () { "endpoint0", "EP10" }, + } + }) + + Name (EP10, Package() { + ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), + Package () { + Package () { "endpoint", 0 }, + Package () { "clock-lanes", 0 }, + Package () { "data-lanes", Package () { 1, 2 } }, + Package () { "remote-endpoint", + Package() { \_SB.PCI0.I2C4.CAM1, 0, 0 } + }, + } + }) +} diff --git a/src/mainboard/google/poppy/acpi/mipi_camera.asl b/src/mainboard/google/poppy/acpi/mipi_camera.asl index 069c82a866..13d33f62d4 100644 --- a/src/mainboard/google/poppy/acpi/mipi_camera.asl +++ b/src/mainboard/google/poppy/acpi/mipi_camera.asl @@ -49,7 +49,6 @@ Scope (\_SB.PCI0.I2C2) } Name (_DEP, Package() {\_SB.PCI0.I2C2.PMIC}) - Name (_CRS, ResourceTemplate () { I2cSerialBus (0x0010, ControllerInitiated, 0x00061A80, @@ -58,6 +57,42 @@ Scope (\_SB.PCI0.I2C2) ) }) + /* Port0 of CAM0 is connected to port0 of CIO2 device */ + Name (_DSD, Package () { + ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"), + Package () { + Package () { "port0", "PRT0" }, + } + }) + + Name (PRT0, Package() { + ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), + Package () { + Package () { "port", 0 }, + }, + ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"), + Package () { + Package () { "endpoint0", "EP00" }, + } + }) + + Name (EP00, Package() { + ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), + Package () { + Package () { "endpoint", 0 }, + Package () { "clock-lanes", 0 }, + Package () { "data-lanes", + Package () { 1, 2, 3, 4 } + }, + Package () { "link-frequencies", + Package() { 1190400000, 640000000 } + }, + Package () { "remote-endpoint", + Package() { \_SB.PCI0.CIO2, 0, 0 } + }, + } + }) + Method (SSDB, 0, Serialized) { Return (Buffer (0x5E) @@ -124,6 +159,42 @@ Scope (\_SB.PCI0.I2C4) ) }) + /* Port0 of CAM1 is connected to port1 of CIO2 device */ + Name (_DSD, Package () { + ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"), + Package () { + Package () { "port0", "PRT0" }, + } + }) + + Name (PRT0, Package() { + ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), + Package () { + Package () { "port", 0 }, + }, + ToUUID ("dbb8e3e6-5886-4ba6-8795-1319f52a966b"), + Package () { + Package () { "endpoint0", "EP00" }, + } + }) + + Name (EP00, Package() { + ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), + Package () { + Package () { "endpoint", 0 }, + Package () { "clock-lanes", 0 }, + Package () { "data-lanes", + Package () { 1, 2 } + }, + Package () { "link-frequencies", + Package() { 844800000 } + }, + Package () { "remote-endpoint", + Package() { \_SB.PCI0.CIO2, 1, 0 } + }, + } + }) + Method (SSDB, 0, Serialized) { Return (Buffer (0x5E) diff --git a/src/mainboard/google/poppy/dsdt.asl b/src/mainboard/google/poppy/dsdt.asl index 5008e0521b..b7a8c94bb4 100644 --- a/src/mainboard/google/poppy/dsdt.asl +++ b/src/mainboard/google/poppy/dsdt.asl @@ -50,6 +50,7 @@ DefinitionBlock( } /* MIPI camera */ + #include "acpi/ipu_mainboard.asl" #include "acpi/mipi_camera.asl" /* Chrome OS specific */ -- cgit v1.2.3