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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 <v.sowmya@intel.com>
Reviewed-on: https://review.coreboot.org/20053
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
V Sowmya 2017-06-06 21:56:53 +05:30 committed by Furquan Shaikh
parent 1a5936b96c
commit ba03d8de63
3 changed files with 147 additions and 1 deletions
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74
src/mainboard/google/poppy/acpi/ipu_mainboard.asl Normal file
View File

@ -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 }
},
}
})
}

73
src/mainboard/google/poppy/acpi/mipi_camera.asl
View File

@ -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)

1
src/mainboard/google/poppy/dsdt.asl
View File

@ -50,6 +50,7 @@ DefinitionBlock(
}
/* MIPI camera */
#include "acpi/ipu_mainboard.asl"
#include "acpi/mipi_camera.asl"
/* Chrome OS specific */