diff options
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/cannonlake/acpi/gpio.asl | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/acpi/gpio.asl b/src/soc/intel/cannonlake/acpi/gpio.asl index 9df1cf7d42..65332ad7c0 100644 --- a/src/soc/intel/cannonlake/acpi/gpio.asl +++ b/src/soc/intel/cannonlake/acpi/gpio.asl @@ -16,6 +16,7 @@ #include <soc/gpio_defs.h> #include <soc/irq.h> #include <soc/pcr_ids.h> +#include <intelblocks/gpio.h> #include "gpio_op.asl" Device (GPIO) @@ -107,3 +108,52 @@ Method (GADD, 1, NotSerialized) Add (Local2, PAD_CFG_BASE, Local2) Return (Add (Local2, Multiply (Local1, 16))) } + +/* + * Return PCR Port ID of GPIO Communities + * + * Arg0: GPIO Community (0-4) + */ +Method (GPID, 1, Serialized) +{ + Switch (ToInteger (Arg0)) + { + Case (0) { + Store (PID_GPIOCOM0, Local0) + } + Case (1) { + Store (PID_GPIOCOM1, Local0) + } + Case (2) { + Store (PID_GPIOCOM2, Local0) + } + Case (3) { + Store (PID_GPIOCOM3, Local0) + } + Case (4) { + Store (PID_GPIOCOM4, Local0) + } + Default { + Return (0) + } + } + + Return (Local0) +} + +/* + * Configure GPIO Power Management bits + * + * Arg0: GPIO community (0-4) + * Arg1: PM bits in MISCCFG + */ +Method (CGPM, 2, Serialized) +{ + Store (GPID (Arg0), Local0) + If (LNotEqual (Local0, 0)) { + /* Mask off current PM bits */ + PCRA (Local0, GPIO_MISCCFG, Not (MISCCFG_ENABLE_GPIO_PM_CONFIG)) + /* Mask in requested bits */ + PCRO (Local0, GPIO_MISCCFG, And (Arg1, MISCCFG_ENABLE_GPIO_PM_CONFIG)) + } +} |