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Diffstat (limited to 'src/soc/intel/tigerlake/acpi')
-rw-r--r--src/soc/intel/tigerlake/acpi/gpio.asl95
-rw-r--r--src/soc/intel/tigerlake/acpi/gpio_op.asl140
2 files changed, 159 insertions, 76 deletions
diff --git a/src/soc/intel/tigerlake/acpi/gpio.asl b/src/soc/intel/tigerlake/acpi/gpio.asl
index f6cccfb801..0378b52be3 100644
--- a/src/soc/intel/tigerlake/acpi/gpio.asl
+++ b/src/soc/intel/tigerlake/acpi/gpio.asl
@@ -1,7 +1,7 @@
/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2020 Intel Corp.
+ * Copyright 2020 The coreboot project Authors
*
* 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
@@ -15,10 +15,12 @@
#include <soc/gpio_defs.h>
#include <soc/irq.h>
#include <soc/pcr_ids.h>
+#include <intelblocks/gpio.h>
+#include "gpio_op.asl"
Device (GCM0)
{
- Name (_HID, "INT34C5")
+ Name (_HID, CROS_GPIO_NAME)
Name (_UID, 0)
Name (_DDN, "GPIO Controller Community 0")
@@ -42,7 +44,7 @@ Device (GCM0)
Device (GCM1)
{
- Name (_HID, "INT34C5")
+ Name (_HID, CROS_GPIO_NAME)
Name (_UID, 1)
Name (_DDN, "GPIO Controller Community 1")
@@ -66,7 +68,7 @@ Device (GCM1)
Device (GCM4)
{
- Name (_HID, "INT34C5")
+ Name (_HID, CROS_GPIO_NAME)
Name (_UID, 4)
Name (_DDN, "GPIO Controller Community 4")
@@ -90,7 +92,7 @@ Device (GCM4)
Device (GCM5)
{
- Name (_HID, "INT34C5")
+ Name (_HID, CROS_GPIO_NAME)
Name (_UID, 5)
Name (_DDN, "GPIO Controller Community 5")
@@ -119,95 +121,36 @@ Device (GCM5)
Method (GADD, 1, NotSerialized)
{
/* GPIO Community 0 */
- If (Arg0 >= GPP_B0 && Arg0 <= GPP_A24)
+ If (Arg0 >= GPIO_COM0_START && Arg0 <= GPIO_COM0_END)
{
Local0 = PID_GPIOCOM0
- Local1 = Arg0 - GPP_B0
+ Local1 = Arg0 - GPIO_COM0_START
}
/* GPIO Community 1 */
- If (Arg0 >= GPP_S0 && Arg0 <= vI2S2_RXD)
+ If (Arg0 >= GPIO_COM1_START && Arg0 <= GPIO_COM1_END)
{
Local0 = PID_GPIOCOM1
- Local1 = Arg0 - GPP_S0
+ Local1 = Arg0 - GPIO_COM1_START
}
/* GPIO Community 2 */
- If (Arg0 >= GPD0 && Arg0 <= GPD_DRAM_RESETB)
+ If (Arg0 >= GPIO_COM2_START && Arg0 <= GPIO_COM2_END)
{
Local0 = PID_GPIOCOM2
- Local1 = Arg0 - GPD0
+ Local1 = Arg0 - GPIO_COM2_START
}
/* GPIO Community 4 */
- If (Arg0 >= GPP_C0 && Arg0 <= GPP_DBG_PMODE)
+ If (Arg0 >= GPIO_COM4_START && Arg0 <= GPIO_COM4_END)
{
Local0 = PID_GPIOCOM4
- Local1 = Arg0 - GPP_C0
+ Local1 = Arg0 - GPIO_COM4_START
}
- /* GPIO Community 5 */
- If (Arg0 >= GPP_R0 && Arg0 <= GPP_CLK_LOOPBK)
+ /* GPIO Community 05*/
+ If (Arg0 >= GPIO_COM5_START && Arg0 <= GPIO_COM5_END)
{
Local0 = PID_GPIOCOM5
- Local1 = Arg0 - GPP_R0
+ Local1 = Arg0 - GPIO_COM5_START
}
+
Local2 = PCRB(Local0) + PAD_CFG_BASE + (Local1 * 16)
Return (Local2)
}
-
-/*
- * Get GPIO Value
- * Arg0 - GPIO Number
- */
-Method (GRXS, 1, Serialized)
-{
- OperationRegion (PREG, SystemMemory, GADD (Arg0), 4)
- Field (PREG, AnyAcc, NoLock, Preserve)
- {
- VAL0, 32
- }
- Local0 = GPIORXSTATE_MASK & (VAL0 >> GPIORXSTATE_SHIFT)
-
- Return (Local0)
-}
-
-/*
- * Get GPIO Tx Value
- * Arg0 - GPIO Number
- */
-Method (GTXS, 1, Serialized)
-{
- OperationRegion (PREG, SystemMemory, GADD (Arg0), 4)
- Field (PREG, AnyAcc, NoLock, Preserve)
- {
- VAL0, 32
- }
- Local0 = GPIOTXSTATE_MASK & VAL0
-
- Return (Local0)
-}
-
-/*
- * Set GPIO Tx Value
- * Arg0 - GPIO Number
- */
-Method (STXS, 1, Serialized)
-{
- OperationRegion (PREG, SystemMemory, GADD (Arg0), 4)
- Field (PREG, AnyAcc, NoLock, Preserve)
- {
- VAL0, 32
- }
- VAL0 |= GPIOTXSTATE_MASK
-}
-
-/*
- * Clear GPIO Tx Value
- * Arg0 - GPIO Number
- */
-Method (CTXS, 1, Serialized)
-{
- OperationRegion (PREG, SystemMemory, GADD (Arg0), 4)
- Field (PREG, AnyAcc, NoLock, Preserve)
- {
- VAL0, 32
- }
- VAL0 &= ~GPIOTXSTATE_MASK
-}
diff --git a/src/soc/intel/tigerlake/acpi/gpio_op.asl b/src/soc/intel/tigerlake/acpi/gpio_op.asl
new file mode 100644
index 0000000000..a16ebf753d
--- /dev/null
+++ b/src/soc/intel/tigerlake/acpi/gpio_op.asl
@@ -0,0 +1,140 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2020 The coreboot project Authors
+ *
+ * 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.
+ */
+
+/*
+ * Get GPIO Value
+ * Arg0 - GPIO Number
+ */
+Method (GRXS, 1, Serialized)
+{
+ OperationRegion (PREG, SystemMemory, GADD (Arg0), 4)
+ Field (PREG, AnyAcc, NoLock, Preserve)
+ {
+ VAL0, 32
+ }
+ And (PAD_CFG0_RX_STATE, ShiftRight (VAL0, PAD_CFG0_RX_STATE_BIT), Local0)
+
+ Return (Local0)
+}
+
+/*
+ * Get GPIO Tx Value
+ * Arg0 - GPIO Number
+ */
+Method (GTXS, 1, Serialized)
+{
+ OperationRegion (PREG, SystemMemory, GADD (Arg0), 4)
+ Field (PREG, AnyAcc, NoLock, Preserve)
+ {
+ VAL0, 32
+ }
+ And (PAD_CFG0_TX_STATE, VAL0, Local0)
+
+ Return (Local0)
+}
+
+/*
+ * Set GPIO Tx Value
+ * Arg0 - GPIO Number
+ */
+Method (STXS, 1, Serialized)
+{
+ OperationRegion (PREG, SystemMemory, GADD (Arg0), 4)
+ Field (PREG, AnyAcc, NoLock, Preserve)
+ {
+ VAL0, 32
+ }
+ Or (PAD_CFG0_TX_STATE, VAL0, VAL0)
+}
+
+/*
+ * Clear GPIO Tx Value
+ * Arg0 - GPIO Number
+ */
+Method (CTXS, 1, Serialized)
+{
+ OperationRegion (PREG, SystemMemory, GADD (Arg0), 4)
+ Field (PREG, AnyAcc, NoLock, Preserve)
+ {
+ VAL0, 32
+ }
+ And (Not (PAD_CFG0_TX_STATE), VAL0, VAL0)
+}
+
+/*
+ * Set Pad mode
+ * Arg0 - GPIO Number
+ * Arg1 - Pad mode
+ * 0 = GPIO control pad
+ * 1 = Native Function 1
+ * 2 = Native Function 2
+ * 3 = Native Function 3
+ */
+Method (GPMO, 2, Serialized)
+{
+ OperationRegion (PREG, SystemMemory, GADD (Arg0), 4)
+ Field (PREG, AnyAcc, NoLock, Preserve)
+ {
+ VAL0, 32
+ }
+ Store (VAL0, Local0)
+ And (Not (PAD_CFG0_MODE_MASK), Local0, Local0)
+ And (ShiftLeft (Arg1, PAD_CFG0_MODE_SHIFT, Arg1), PAD_CFG0_MODE_MASK, Arg1)
+ Or (Local0, Arg1, VAL0)
+}
+
+/*
+ * Enable/Disable Tx buffer
+ * Arg0 - GPIO Number
+ * Arg1 - TxBuffer state
+ * 0 = Disable Tx Buffer
+ * 1 = Enable Tx Buffer
+ */
+Method (GTXE, 2, Serialized)
+{
+ OperationRegion (PREG, SystemMemory, GADD (Arg0), 4)
+ Field (PREG, AnyAcc, NoLock, Preserve)
+ {
+ VAL0, 32
+ }
+
+ If (LEqual (Arg1, 1)) {
+ And (Not (PAD_CFG0_TX_DISABLE), VAL0, VAL0)
+ } ElseIf (LEqual (Arg1, 0)){
+ Or (PAD_CFG0_TX_DISABLE, VAL0, VAL0)
+ }
+}
+
+/*
+ * Enable/Disable Rx buffer
+ * Arg0 - GPIO Number
+ * Arg1 - RxBuffer state
+ * 0 = Disable Rx Buffer
+ * 1 = Enable Rx Buffer
+ */
+Method (GRXE, 2, Serialized)
+{
+ OperationRegion (PREG, SystemMemory, GADD (Arg0), 4)
+ Field (PREG, AnyAcc, NoLock, Preserve)
+ {
+ VAL0, 32
+ }
+
+ If (LEqual (Arg1, 1)) {
+ And (Not (PAD_CFG0_RX_DISABLE), VAL0, VAL0)
+ } ElseIf (LEqual (Arg1, 0)){
+ Or (PAD_CFG0_RX_DISABLE, VAL0, VAL0)
+ }
+}