[coreboot-gerrit] New patch to review for coreboot: skylake: ACPI: Clean up GPIO controller
Patrick Georgi (pgeorgi@google.com)
gerrit at coreboot.org
Mon Sep 7 18:42:14 CET 2015
Patrick Georgi (pgeorgi at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/11538
-gerrit
commit c679e9bbd542318dd588cded1988fced69091a63
Author: Duncan Laurie <dlaurie at chromium.org>
Date: Thu Aug 27 17:15:00 2015 -0700
skylake: ACPI: Clean up GPIO controller
Switch the GPIO controller to use the PCR functions that are
defined in pcr.asl.
Have the default memory regions declare a size of zero and
be fixed up in the _CRS in order to fix compile issues on
some versions of iasl.
BUG=chrome-os-partner:44622
BRANCH=none
TEST=emerge-glados coreboot
Change-Id: Ic82fcb00285aeb2515e24001ef69a882c3df1417
Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
Original-Commit-Id: be24d9ccd9db62ca694f3a67436af25a73f59c5a
Original-Change-Id: I13acd891427f467e289d5671add5617befef4380
Original-Signed-off-by: Duncan Laurie <dlaurie at chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/295951
Original-Reviewed-by: Aaron Durbin <adurbin at chromium.org>
---
src/soc/intel/skylake/acpi/gpio.asl | 64 ++++++++++++++++---------------------
1 file changed, 27 insertions(+), 37 deletions(-)
diff --git a/src/soc/intel/skylake/acpi/gpio.asl b/src/soc/intel/skylake/acpi/gpio.asl
index 7c2efa6..fed25c3 100644
--- a/src/soc/intel/skylake/acpi/gpio.asl
+++ b/src/soc/intel/skylake/acpi/gpio.asl
@@ -18,54 +18,44 @@
* Foundation, Inc.
*/
-
-/* PCR Register Access Methods PCR Dword Read arg0: PID arg1: Offset */
-Method (PCRR, 2, Serialized)
-{
- Add (ShiftLeft (Arg0, PCR_PORTID_SHIFT), Arg1, Local0)
- Add (PCH_PCR_BASE_ADDRESS, Local0, Local0)
- OperationRegion (PCR0, SystemMemory, Local0, 0x4)
-
- Field(PCR0, DWordAcc, Lock, Preserve)
- {
- Offset(0x00),
- DAT0, 32
- }
- Return (DAT0)
-}
-
Device (GPIO)
{
- /* GPIO Controller */
Name (_HID, "INT344B")
Name (_UID, 1)
+ Name (_DDN, "GPIO Controller")
Name (RBUF, ResourceTemplate()
{
- Memory32Fixed (ReadWrite, 0, GPIO_BASE_SIZE, _R0)
- Memory32Fixed (ReadWrite, 0, GPIO_BASE_SIZE, _R1)
- Memory32Fixed (ReadWrite, 0, GPIO_BASE_SIZE, _R3)
- Interrupt (ResourceConsumer, Level, ActiveLow, Shared, ,, _R4)
- {
- GPIO_IRQ14,
- }
+ Memory32Fixed (ReadWrite, 0, 0, COM0)
+ Memory32Fixed (ReadWrite, 0, 0, COM1)
+ Memory32Fixed (ReadWrite, 0, 0, COM3)
+ Interrupt (ResourceConsumer, Level, ActiveLow, Shared,,, GIRQ)
+ { 0 }
})
- Method (_CRS, 0, NotSerialized) /* _CRS: Current Resource Settings */
+ Method (_CRS, 0, NotSerialized)
{
- CreateDWordField (^RBUF, ^_R0._BAS, COM0)
- CreateDWordField (^RBUF, ^_R1._BAS, COM1)
- CreateDWordField (^RBUF, ^_R3._BAS, COM3)
- CreateDWordField (^RBUF, ^_R4._INT, IRQN)
+ /* GPIO Community 0 */
+ CreateDWordField (^RBUF, ^COM0._BAS, BAS0)
+ CreateDWordField (^RBUF, ^COM0._LEN, LEN0)
+ Store (^^PCRB (PID_GPIOCOM0), BAS0)
+ Store (GPIO_BASE_SIZE, LEN0)
+
+ /* GPIO Community 1 */
+ CreateDWordField (^RBUF, ^COM1._BAS, BAS1)
+ CreateDWordField (^RBUF, ^COM1._LEN, LEN1)
+ Store (^^PCRB (PID_GPIOCOM1), BAS1)
+ Store (GPIO_BASE_SIZE, LEN1)
+
+ /* GPIO Community 3 */
+ CreateDWordField (^RBUF, ^COM3._BAS, BAS3)
+ CreateDWordField (^RBUF, ^COM3._LEN, LEN3)
+ Store (^^PCRB (PID_GPIOCOM3), BAS3)
+ Store (GPIO_BASE_SIZE, LEN3)
- Store (Add (PCH_PCR_BASE_ADDRESS,
- ShiftLeft (PID_GPIOCOM0, PCR_PORTID_SHIFT)), COM0)
- Store (Add (PCH_PCR_BASE_ADDRESS,
- ShiftLeft (PID_GPIOCOM1, PCR_PORTID_SHIFT)), COM1)
- Store (Add (PCH_PCR_BASE_ADDRESS,
- ShiftLeft (PID_GPIOCOM3, PCR_PORTID_SHIFT)), COM3)
- Store (And (PCRR (PID_GPIOCOM0, MISCCFG_OFFSET),
- GPIO_DRIVER_IRQ_ROUTE_MASK), Local0)
+ CreateDWordField (^RBUF, ^GIRQ._INT, IRQN)
+ And (^^PCRR (PID_GPIOCOM0, MISCCFG_OFFSET),
+ GPIO_DRIVER_IRQ_ROUTE_MASK, Local0)
If (LEqual (Local0, GPIO_DRIVER_IRQ_ROUTE_IRQ14)) {
Store (GPIO_IRQ14, IRQN)
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