diff options
Diffstat (limited to 'src/soc/intel/common/acpi/gpio.asl')
| -rw-r--r-- | src/soc/intel/common/acpi/gpio.asl | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/soc/intel/common/acpi/gpio.asl b/src/soc/intel/common/acpi/gpio.asl new file mode 100644 index 0000000000..364ac73843 --- /dev/null +++ b/src/soc/intel/common/acpi/gpio.asl @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* This file is part of the coreboot project. */ + +/* + * Configure GPIO Power Management bits + * + * Arg0: GPIO community (0-5) + * Arg1: PM bits in MISCCFG + */ +Method (CGPM, 2, Serialized) +{ + Local0 = GPID (Arg0) + If (Local0 != 0) { + /* Mask off current PM bits */ + PCRA (Local0, GPIO_MISCCFG, ~MISCCFG_ENABLE_GPIO_PM_CONFIG) + /* Mask in requested bits */ + PCRO (Local0, GPIO_MISCCFG, Arg1 & MISCCFG_ENABLE_GPIO_PM_CONFIG) + } +} |