util/intelp2m: Add Intel Pad to Macro utility

This patch adds a new utility for converting a pad configuration from
the inteltool dump to the PAD_CFG_*() macros [1] for coreboot and GPIO
config data structures for FSP/sdk2-platforms/slimbootloader [2,3].
Mirror: https://github.com/maxpoliak/pch-pads-parser.git

[1] src/soc/intel/common/block/include/intelblocks/gpio_defs.h
[2] https://slimbootloader.github.io/tools/index.html#gpio-tool
[3] 3rdparty/fsp/CometLakeFspBinPkg/CometLake1/Include/GpioSampleDef.h

Change-Id: If3e3b523c4f63dc2f91e9ccd16934e3a1b6e21fa
Signed-off-by: Maxim Polyakov <max.senia.poliak@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35643
Reviewed-by: Andrey Petrov <andrey.petrov@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

util/intelp2m/config/config.go

@@ -0,0 +1,121 @@
+package config
+
+import "os"
+
+const (
+	TempInteltool  int  = 0
+	TempGpioh      int  = 1
+	TempSpec       int  = 2
+)
+
+var template int = 0
+
+func TemplateSet(temp int) bool {
+	if temp > TempSpec {
+		return false
+	} else {
+		template = temp
+		return true
+	}
+}
+
+func TemplateGet() int {
+	return template
+}
+
+const (
+	SunriseType   uint8  = 0
+	LewisburgType uint8  = 1
+	ApolloType    uint8  = 2
+)
+
+var key uint8 = SunriseType
+
+var platform = map[string]uint8{
+	"snr": SunriseType,
+	"lbg": LewisburgType,
+	"apl": ApolloType}
+func PlatformSet(name string) int {
+	if platformType, valid := platform[name]; valid {
+		key = platformType
+		return 0
+	}
+	return -1
+}
+func PlatformGet() uint8 {
+	return key
+}
+func IsPlatform(platformType uint8) bool {
+	return platformType == key
+}
+func IsPlatformApollo() bool {
+	return IsPlatform(ApolloType)
+}
+func IsPlatformSunrise() bool {
+	return IsPlatform(SunriseType)
+}
+func IsPlatformLewisburg() bool {
+	return IsPlatform(LewisburgType)
+}
+
+var InputRegDumpFile *os.File = nil
+var OutputGenFile *os.File = nil
+
+var ignoredFieldsFormat bool = false
+func IgnoredFieldsFlagSet(flag bool) {
+	ignoredFieldsFormat = flag
+}
+func AreFieldsIgnored() bool {
+	return ignoredFieldsFormat
+}
+
+var nonCheckingFlag bool = false
+func NonCheckingFlagSet(flag bool) {
+	nonCheckingFlag = flag
+}
+func IsNonCheckingFlagUsed() bool {
+	return nonCheckingFlag
+}
+
+var infolevel uint8 = 0
+func InfoLevelSet(lvl uint8) {
+	infolevel = lvl
+}
+func InfoLevelGet() uint8 {
+	return infolevel
+}
+
+var fldstyle uint8 = CbFlds
+const (
+	NoFlds  uint8  = 0
+	CbFlds  uint8  = 1 // coreboot style
+	FspFlds uint8  = 2 // FSP/edk2 style
+	RawFlds uint8  = 3 // raw DW0/1 values
+)
+var fldstylemap = map[string]uint8{
+	"none" : NoFlds,
+	"cb"   : CbFlds,
+	"fsp"  : FspFlds,
+	"raw"  : RawFlds}
+func FldStyleSet(name string) int {
+	if style, valid := fldstylemap[name]; valid {
+		fldstyle = style
+		return 0
+	}
+	return -1
+}
+func FldStyleGet() uint8 {
+	return fldstyle
+}
+func IsFieldsMacroUsed() bool {
+	return FldStyleGet() != NoFlds
+}
+func IsCbStyleMacro() bool {
+	return FldStyleGet() == CbFlds
+}
+func IsFspStyleMacro() bool {
+	return FldStyleGet() == FspFlds
+}
+func IsRawFields() bool {
+	return FldStyleGet() == RawFlds
+}