From 2ccc0a4d9fc91a57e1dec8913e6d999402e927a2 Mon Sep 17 00:00:00 2001
From: Subrata Banik <subrata.banik@intel.com>
Date: Thu, 25 Mar 2021 20:01:47 +0530
Subject: soc/intel: Rename and move MISCCFG_GPIO_PM_CONFIG_BITS definition to
 soc/gpio.h

Lists of changes:
1. Rename MISCCFG_ENABLE_GPIO_PM_CONFIG -> MISCCFG_GPIO_PM_CONFIG_BITS
2. Move MISCCFG_GPIO_PM_CONFIG_BITS definition from intelblock/gpio.h to
soc/gpio.h. Refer to detailed description below to understand the
motivation behind this change.

An advanced GPIO PM capabilities has been introduced since CNP PCH,
refer to 'include/intelblock/gpio.h' for detailed GPIO PM bit definitions.

Now with TGP PCH, additional bits are defined in the MISCCFG register
for GPIO PM control. This results in different SoCs supporting
different number of bits. The bits defined in earlier platforms
(CNL, CML, ICL) are present on TGL, JSL and ADL too. Hence, refactor the
common GPIO code to keep the bit definitions in intelblock/gpio.h, but
the definition of MISCCFG_GPIO_PM_CONFIG_BITS is moved to soc/gpio.h so
that each SoC can provide this as per hardware support.

TEST=On ADL, TGL and JSL platform.
Without this CL :
GPIO COMM 0 MISCCFG:0xC0 (Bit 6 and 7 enable)

With this CL :
GPIO COMM 0 MISCCFG: 0x00 (Bit 6 and 7 disable)

Change-Id: Ie027cbd7b99b39752941384339a34f8995c10c94
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51767
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
---
 src/soc/intel/alderlake/acpi/gpio.asl                 | 2 +-
 src/soc/intel/alderlake/chip.c                        | 2 +-
 src/soc/intel/alderlake/include/soc/gpio.h            | 6 ++++++
 src/soc/intel/apollolake/include/soc/gpio.h           | 7 +++++++
 src/soc/intel/cannonlake/acpi/gpio.asl                | 6 +++---
 src/soc/intel/cannonlake/gpio_common.c                | 2 +-
 src/soc/intel/cannonlake/include/soc/gpio.h           | 5 +++++
 src/soc/intel/common/acpi/gpio.asl                    | 4 ++--
 src/soc/intel/common/acpi/platform.asl                | 2 +-
 src/soc/intel/common/block/acpi/acpi/pep.asl          | 2 +-
 src/soc/intel/common/block/gpio/gpio.c                | 2 +-
 src/soc/intel/common/block/include/intelblocks/gpio.h | 8 ++++----
 src/soc/intel/denverton_ns/include/soc/gpio.h         | 6 ++++++
 src/soc/intel/elkhartlake/chip.c                      | 2 +-
 src/soc/intel/elkhartlake/include/soc/gpio.h          | 6 ++++++
 src/soc/intel/icelake/chip.c                          | 2 +-
 src/soc/intel/icelake/include/soc/gpio.h              | 5 +++++
 src/soc/intel/jasperlake/chip.c                       | 2 +-
 src/soc/intel/jasperlake/include/soc/gpio.h           | 6 ++++++
 src/soc/intel/skylake/include/soc/gpio.h              | 7 +++++++
 src/soc/intel/tigerlake/chip.c                        | 2 +-
 src/soc/intel/tigerlake/include/soc/gpio.h            | 6 ++++++
 src/soc/intel/xeon_sp/include/soc/gpio.h              | 6 ++++++
 23 files changed, 79 insertions(+), 19 deletions(-)

(limited to 'src/soc')

diff --git a/src/soc/intel/alderlake/acpi/gpio.asl b/src/soc/intel/alderlake/acpi/gpio.asl
index e21f6d5481..50d999f7f4 100644
--- a/src/soc/intel/alderlake/acpi/gpio.asl
+++ b/src/soc/intel/alderlake/acpi/gpio.asl
@@ -166,6 +166,6 @@ Method (EGPM, 0, Serialized)
 	/* Enable PM bits */
 	For (Local0 = 0, Local0 < TOTAL_GPIO_COMM, Local0++)
 	{
-		CGPM (Local0, MISCCFG_ENABLE_GPIO_PM_CONFIG)
+		CGPM (Local0, MISCCFG_GPIO_PM_CONFIG_BITS)
 	}
 }
diff --git a/src/soc/intel/alderlake/chip.c b/src/soc/intel/alderlake/chip.c
index 977705268b..dc54845600 100644
--- a/src/soc/intel/alderlake/chip.c
+++ b/src/soc/intel/alderlake/chip.c
@@ -119,7 +119,7 @@ static void soc_fill_gpio_pm_configuration(void)
 		memcpy(value, config->gpio_pm, sizeof(uint8_t) *
 			TOTAL_GPIO_COMM);
 	else
-		memset(value, MISCCFG_ENABLE_GPIO_PM_CONFIG, sizeof(uint8_t) *
+		memset(value, MISCCFG_GPIO_PM_CONFIG_BITS, sizeof(uint8_t) *
 			TOTAL_GPIO_COMM);
 
 	gpio_pm_configure(value, TOTAL_GPIO_COMM);
diff --git a/src/soc/intel/alderlake/include/soc/gpio.h b/src/soc/intel/alderlake/include/soc/gpio.h
index eec698a1e7..acaade449d 100644
--- a/src/soc/intel/alderlake/include/soc/gpio.h
+++ b/src/soc/intel/alderlake/include/soc/gpio.h
@@ -9,4 +9,10 @@
 #define CROS_GPIO_NAME		"INTC1055"
 #define CROS_GPIO_DEVICE_NAME	"INTC1055:00"
 
+/* Enable GPIO community power management configuration */
+#define MISCCFG_GPIO_PM_CONFIG_BITS (MISCCFG_GPVNNREQEN | \
+	MISCCFG_GPPGCBDPCGEN | MISCCFG_GPSIDEDPCGEN | \
+	MISCCFG_GPRCOMPCDLCGEN | MISCCFG_GPRTCDLCGEN | MISCCFG_GSXSLCGEN \
+	| MISCCFG_GPDPCGEN | MISCCFG_GPDLCGEN)
+
 #endif
diff --git a/src/soc/intel/apollolake/include/soc/gpio.h b/src/soc/intel/apollolake/include/soc/gpio.h
index 9b809c000a..f06b9f52dc 100644
--- a/src/soc/intel/apollolake/include/soc/gpio.h
+++ b/src/soc/intel/apollolake/include/soc/gpio.h
@@ -10,4 +10,11 @@
 #endif
 #include <intelblocks/gpio.h>/* intelblocks/gpio.h depends on definitions in
 				soc/gpio_glk.h and soc/gpio_apl.h */
+
+/*
+ * APL/GLK doesn't support dynamic GPIO PM hence GPIO community
+ * MISCCFG register doesn't have PM bits
+ */
+#define MISCCFG_GPIO_PM_CONFIG_BITS 0
+
 #endif
diff --git a/src/soc/intel/cannonlake/acpi/gpio.asl b/src/soc/intel/cannonlake/acpi/gpio.asl
index f1284e1412..7776acc553 100644
--- a/src/soc/intel/cannonlake/acpi/gpio.asl
+++ b/src/soc/intel/cannonlake/acpi/gpio.asl
@@ -138,9 +138,9 @@ 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))
+		PCRA (Local0, GPIO_MISCCFG, Not (MISCCFG_GPIO_PM_CONFIG_BITS))
 		/* Mask in requested bits */
-		PCRO (Local0, GPIO_MISCCFG, And (Arg1, MISCCFG_ENABLE_GPIO_PM_CONFIG))
+		PCRO (Local0, GPIO_MISCCFG, And (Arg1, MISCCFG_GPIO_PM_CONFIG_BITS))
 	}
 }
 
@@ -181,6 +181,6 @@ Method (EGPM, 0, Serialized)
 	/* Enable PM bits */
 	For (Local0 = 0, Local0 < TOTAL_GPIO_COMM, Local0++)
 	{
-		CGPM (Local0, MISCCFG_ENABLE_GPIO_PM_CONFIG)
+		CGPM (Local0, MISCCFG_GPIO_PM_CONFIG_BITS)
 	}
 }
diff --git a/src/soc/intel/cannonlake/gpio_common.c b/src/soc/intel/cannonlake/gpio_common.c
index 45331ec822..21a5801648 100644
--- a/src/soc/intel/cannonlake/gpio_common.c
+++ b/src/soc/intel/cannonlake/gpio_common.c
@@ -17,7 +17,7 @@ void soc_gpio_pm_configuration(void)
 		memcpy(value, config->gpio_pm, sizeof(uint8_t) *
 				TOTAL_GPIO_COMM);
 	else
-		memset(value, MISCCFG_ENABLE_GPIO_PM_CONFIG, sizeof(uint8_t) *
+		memset(value, MISCCFG_GPIO_PM_CONFIG_BITS, sizeof(uint8_t) *
 				TOTAL_GPIO_COMM);
 
 	gpio_pm_configure(value, TOTAL_GPIO_COMM);
diff --git a/src/soc/intel/cannonlake/include/soc/gpio.h b/src/soc/intel/cannonlake/include/soc/gpio.h
index b39798e96d..9ffa8f1bc2 100644
--- a/src/soc/intel/cannonlake/include/soc/gpio.h
+++ b/src/soc/intel/cannonlake/include/soc/gpio.h
@@ -12,6 +12,11 @@
 #endif
 #include <intelblocks/gpio.h>
 
+/* Enable GPIO community power management configuration */
+#define MISCCFG_GPIO_PM_CONFIG_BITS (MISCCFG_GPSIDEDPCGEN | \
+	MISCCFG_GPRCOMPCDLCGEN | MISCCFG_GPRTCDLCGEN | MISCCFG_GSXSLCGEN \
+	| MISCCFG_GPDPCGEN | MISCCFG_GPDLCGEN)
+
 #ifndef __ACPI__
 struct pad_config;
 void cnl_configure_pads(const struct pad_config *cfg, size_t num_pads);
diff --git a/src/soc/intel/common/acpi/gpio.asl b/src/soc/intel/common/acpi/gpio.asl
index dbfa7af980..225f72a46f 100644
--- a/src/soc/intel/common/acpi/gpio.asl
+++ b/src/soc/intel/common/acpi/gpio.asl
@@ -11,8 +11,8 @@ Method (CGPM, 2, Serialized)
 	Local0 = GPID (Arg0)
 	If (Local0 != 0) {
 		/* Mask off current PM bits */
-		PCRA (Local0, GPIO_MISCCFG, ~MISCCFG_ENABLE_GPIO_PM_CONFIG)
+		PCRA (Local0, GPIO_MISCCFG, ~MISCCFG_GPIO_PM_CONFIG_BITS)
 		/* Mask in requested bits */
-		PCRO (Local0, GPIO_MISCCFG,  Arg1 & MISCCFG_ENABLE_GPIO_PM_CONFIG)
+		PCRO (Local0, GPIO_MISCCFG,  Arg1 & MISCCFG_GPIO_PM_CONFIG_BITS)
 	}
 }
diff --git a/src/soc/intel/common/acpi/platform.asl b/src/soc/intel/common/acpi/platform.asl
index a973149e6d..496f184278 100644
--- a/src/soc/intel/common/acpi/platform.asl
+++ b/src/soc/intel/common/acpi/platform.asl
@@ -30,7 +30,7 @@ Method (_PTS, 1)
 	}
 	/*
 	 * Save the current PM bits then
-	 * enable GPIO PM with MISCCFG_ENABLE_GPIO_PM_CONFIG
+	 * enable GPIO PM with MISCCFG_GPIO_PM_CONFIG_BITS
 	 */
 	If (CondRefOf (\_SB.PCI0.EGPM))
 	{
diff --git a/src/soc/intel/common/block/acpi/acpi/pep.asl b/src/soc/intel/common/block/acpi/acpi/pep.asl
index b6a0d9d91a..2e2a25f279 100644
--- a/src/soc/intel/common/block/acpi/acpi/pep.asl
+++ b/src/soc/intel/common/block/acpi/acpi/pep.asl
@@ -91,7 +91,7 @@ Device(PEPD)
 
 				/*
 				 * Save the current PM bits then
-				 * enable GPIO PM with MISCCFG_ENABLE_GPIO_PM_CONFIG
+				 * enable GPIO PM with MISCCFG_GPIO_PM_CONFIG_BITS
 				 */
 				If (CondRefOf (\_SB.PCI0.EGPM))
 				{
diff --git a/src/soc/intel/common/block/gpio/gpio.c b/src/soc/intel/common/block/gpio/gpio.c
index c747f30c8a..417dfb88b2 100644
--- a/src/soc/intel/common/block/gpio/gpio.c
+++ b/src/soc/intel/common/block/gpio/gpio.c
@@ -656,7 +656,7 @@ void gpio_pm_configure(const uint8_t *misccfg_pm_values, size_t num)
 {
 	int i;
 	size_t gpio_communities;
-	const uint8_t misccfg_pm_mask = (uint8_t)~MISCCFG_ENABLE_GPIO_PM_CONFIG;
+	const uint8_t misccfg_pm_mask = (uint8_t)~MISCCFG_GPIO_PM_CONFIG_BITS;
 	const struct pad_community *comm;
 
 	comm = soc_gpio_get_community(&gpio_communities);
diff --git a/src/soc/intel/common/block/include/intelblocks/gpio.h b/src/soc/intel/common/block/include/intelblocks/gpio.h
index 45ae1da4fd..3f79b19f94 100644
--- a/src/soc/intel/common/block/include/intelblocks/gpio.h
+++ b/src/soc/intel/common/block/include/intelblocks/gpio.h
@@ -6,6 +6,10 @@
 #include <soc/gpio.h>
 #include "gpio_defs.h"
 
+/* GPIO community IOSF sideband VNNREQ/ACK handshake */
+#define MISCCFG_GPVNNREQEN	(1 << 7)
+/* GPIO community PGCB clock gating */
+#define MISCCFG_GPPGCBDPCGEN	(1 << 6)
 /* GPIO community IOSF sideband clock gating */
 #define MISCCFG_GPSIDEDPCGEN	(1 << 5)
 /* GPIO community RCOMP clock gating */
@@ -18,10 +22,6 @@
 #define MISCCFG_GPDPCGEN	(1 << 1)
 /* GPIO community local clock gating */
 #define MISCCFG_GPDLCGEN	(1 << 0)
-/* Enable GPIO community power management configuration */
-#define MISCCFG_ENABLE_GPIO_PM_CONFIG (MISCCFG_GPSIDEDPCGEN | \
-	MISCCFG_GPRCOMPCDLCGEN | MISCCFG_GPRTCDLCGEN | MISCCFG_GSXSLCGEN \
-	| MISCCFG_GPDPCGEN | MISCCFG_GPDLCGEN)
 
 #ifndef __ACPI__
 #include <types.h>
diff --git a/src/soc/intel/denverton_ns/include/soc/gpio.h b/src/soc/intel/denverton_ns/include/soc/gpio.h
index fcf57ff2e4..41438c20fb 100644
--- a/src/soc/intel/denverton_ns/include/soc/gpio.h
+++ b/src/soc/intel/denverton_ns/include/soc/gpio.h
@@ -33,4 +33,10 @@
 #include <intelblocks/gpio.h>/* intelblocks/gpio.h depends on definitions in
 				lines above and soc/gpio_defs.h */
 
+/*
+ * DNV doesn't support dynamic GPIO PM hence GPIO community
+ * MISCCFG register doesn't have PM bits
+ */
+#define MISCCFG_GPIO_PM_CONFIG_BITS 0
+
 #endif /* _SOC_DENVERTON_NS_GPIO_H_ */
diff --git a/src/soc/intel/elkhartlake/chip.c b/src/soc/intel/elkhartlake/chip.c
index f1c75b6eac..b14edd6cc6 100644
--- a/src/soc/intel/elkhartlake/chip.c
+++ b/src/soc/intel/elkhartlake/chip.c
@@ -108,7 +108,7 @@ static void soc_fill_gpio_pm_configuration(void)
 		memcpy(value, config->gpio_pm, sizeof(uint8_t) *
 			TOTAL_GPIO_COMM);
 	else
-		memset(value, MISCCFG_ENABLE_GPIO_PM_CONFIG, sizeof(uint8_t) *
+		memset(value, MISCCFG_GPIO_PM_CONFIG_BITS, sizeof(uint8_t) *
 			TOTAL_GPIO_COMM);
 
 	gpio_pm_configure(value, TOTAL_GPIO_COMM);
diff --git a/src/soc/intel/elkhartlake/include/soc/gpio.h b/src/soc/intel/elkhartlake/include/soc/gpio.h
index 367df82276..47f792caec 100644
--- a/src/soc/intel/elkhartlake/include/soc/gpio.h
+++ b/src/soc/intel/elkhartlake/include/soc/gpio.h
@@ -12,4 +12,10 @@
 #define CROS_GPIO_COMM4_NAME    "INT34C8:02"
 #define CROS_GPIO_COMM5_NAME    "INT34C8:03"
 
+/* Enable GPIO community power management configuration */
+#define MISCCFG_GPIO_PM_CONFIG_BITS (MISCCFG_GPVNNREQEN | \
+	MISCCFG_GPPGCBDPCGEN | MISCCFG_GPSIDEDPCGEN | \
+	MISCCFG_GPRCOMPCDLCGEN | MISCCFG_GPRTCDLCGEN | MISCCFG_GSXSLCGEN \
+	| MISCCFG_GPDPCGEN | MISCCFG_GPDLCGEN)
+
 #endif
diff --git a/src/soc/intel/icelake/chip.c b/src/soc/intel/icelake/chip.c
index 134d7cf214..821a9e04ed 100644
--- a/src/soc/intel/icelake/chip.c
+++ b/src/soc/intel/icelake/chip.c
@@ -98,7 +98,7 @@ static void soc_fill_gpio_pm_configuration(void)
 		memcpy(value, config->gpio_pm, sizeof(uint8_t) *
 			TOTAL_GPIO_COMM);
 	else
-		memset(value, MISCCFG_ENABLE_GPIO_PM_CONFIG, sizeof(uint8_t) *
+		memset(value, MISCCFG_GPIO_PM_CONFIG_BITS, sizeof(uint8_t) *
 			TOTAL_GPIO_COMM);
 
 	gpio_pm_configure(value, TOTAL_GPIO_COMM);
diff --git a/src/soc/intel/icelake/include/soc/gpio.h b/src/soc/intel/icelake/include/soc/gpio.h
index 3eae13f832..5d4269d637 100644
--- a/src/soc/intel/icelake/include/soc/gpio.h
+++ b/src/soc/intel/icelake/include/soc/gpio.h
@@ -8,4 +8,9 @@
 
 #define CROS_GPIO_DEVICE_NAME	"INT3455:00"
 
+/* Enable GPIO community power management configuration */
+#define MISCCFG_GPIO_PM_CONFIG_BITS (MISCCFG_GPSIDEDPCGEN | \
+	MISCCFG_GPRCOMPCDLCGEN | MISCCFG_GPRTCDLCGEN | MISCCFG_GSXSLCGEN \
+	| MISCCFG_GPDPCGEN | MISCCFG_GPDLCGEN)
+
 #endif
diff --git a/src/soc/intel/jasperlake/chip.c b/src/soc/intel/jasperlake/chip.c
index c663d1f5e7..1051fbc9ab 100644
--- a/src/soc/intel/jasperlake/chip.c
+++ b/src/soc/intel/jasperlake/chip.c
@@ -114,7 +114,7 @@ static void soc_fill_gpio_pm_configuration(void)
 		memcpy(value, config->gpio_pm, sizeof(uint8_t) *
 			TOTAL_GPIO_COMM);
 	else
-		memset(value, MISCCFG_ENABLE_GPIO_PM_CONFIG, sizeof(uint8_t) *
+		memset(value, MISCCFG_GPIO_PM_CONFIG_BITS, sizeof(uint8_t) *
 			TOTAL_GPIO_COMM);
 
 	gpio_pm_configure(value, TOTAL_GPIO_COMM);
diff --git a/src/soc/intel/jasperlake/include/soc/gpio.h b/src/soc/intel/jasperlake/include/soc/gpio.h
index 384c0672d3..fa7f915eb0 100644
--- a/src/soc/intel/jasperlake/include/soc/gpio.h
+++ b/src/soc/intel/jasperlake/include/soc/gpio.h
@@ -12,4 +12,10 @@
 #define CROS_GPIO_COMM4_NAME    "INT34C8:02"
 #define CROS_GPIO_COMM5_NAME    "INT34C8:03"
 
+/* Enable GPIO community power management configuration */
+#define MISCCFG_GPIO_PM_CONFIG_BITS (MISCCFG_GPVNNREQEN | \
+	MISCCFG_GPPGCBDPCGEN | MISCCFG_GPSIDEDPCGEN | \
+	MISCCFG_GPRCOMPCDLCGEN | MISCCFG_GPRTCDLCGEN | MISCCFG_GSXSLCGEN \
+	| MISCCFG_GPDPCGEN | MISCCFG_GPDLCGEN)
+
 #endif
diff --git a/src/soc/intel/skylake/include/soc/gpio.h b/src/soc/intel/skylake/include/soc/gpio.h
index 283df83b11..b55dea8197 100644
--- a/src/soc/intel/skylake/include/soc/gpio.h
+++ b/src/soc/intel/skylake/include/soc/gpio.h
@@ -8,4 +8,11 @@
 				soc/gpio_defs.h */
 
 #define CROS_GPIO_DEVICE_NAME	"INT344B:00"
+
+/*
+ * SPT PCH doesn't support dynamic GPIO PM hence GPIO community
+ * MISCCFG register doesn't have PM bits
+ */
+#define MISCCFG_GPIO_PM_CONFIG_BITS 0
+
 #endif
diff --git a/src/soc/intel/tigerlake/chip.c b/src/soc/intel/tigerlake/chip.c
index 024da1538d..2a0d7d0326 100644
--- a/src/soc/intel/tigerlake/chip.c
+++ b/src/soc/intel/tigerlake/chip.c
@@ -119,7 +119,7 @@ static void soc_fill_gpio_pm_configuration(void)
 		memcpy(value, config->gpio_pm, sizeof(uint8_t) *
 			TOTAL_GPIO_COMM);
 	else
-		memset(value, MISCCFG_ENABLE_GPIO_PM_CONFIG, sizeof(uint8_t) *
+		memset(value, MISCCFG_GPIO_PM_CONFIG_BITS, sizeof(uint8_t) *
 			TOTAL_GPIO_COMM);
 
 	gpio_pm_configure(value, TOTAL_GPIO_COMM);
diff --git a/src/soc/intel/tigerlake/include/soc/gpio.h b/src/soc/intel/tigerlake/include/soc/gpio.h
index b9842b90ef..d8227dfd94 100644
--- a/src/soc/intel/tigerlake/include/soc/gpio.h
+++ b/src/soc/intel/tigerlake/include/soc/gpio.h
@@ -8,4 +8,10 @@
 
 #define CROS_GPIO_DEVICE_NAME	"INT34C5:00"
 
+/* Enable GPIO community power management configuration */
+#define MISCCFG_GPIO_PM_CONFIG_BITS (MISCCFG_GPVNNREQEN | \
+	MISCCFG_GPPGCBDPCGEN | MISCCFG_GPSIDEDPCGEN | \
+	MISCCFG_GPRCOMPCDLCGEN | MISCCFG_GPRTCDLCGEN | MISCCFG_GSXSLCGEN \
+	| MISCCFG_GPDPCGEN | MISCCFG_GPDLCGEN)
+
 #endif
diff --git a/src/soc/intel/xeon_sp/include/soc/gpio.h b/src/soc/intel/xeon_sp/include/soc/gpio.h
index 6e85d4e021..04eb9ae31c 100644
--- a/src/soc/intel/xeon_sp/include/soc/gpio.h
+++ b/src/soc/intel/xeon_sp/include/soc/gpio.h
@@ -6,4 +6,10 @@
 #include <soc/lewisburg_pch_gpio_defs.h>
 #include <intelblocks/gpio.h>
 
+/*
+ * XEON SP series doesn't support dynamic GPIO PM hence GPIO community
+ * MISCCFG register doesn't have PM bits
+ */
+#define MISCCFG_GPIO_PM_CONFIG_BITS 0
+
 #endif
-- 
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