util/intelp2m: Add support for Emmitsburg macro generation

Test: Generated GPIO for ASRock Rack SPC741D8-2L2T/BCM.

Change-Id: Ib7ded47fb1c0b87ebb3cecaf3e41319ac552b797
Signed-off-by: Fabian Meyer <fabian.meyer@student.kit.edu>
Co-authored-by: Yussuf Khalil <yussuf.khalil@kit.edu>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82204
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Maxim <max.senia.poliak@gmail.com>

util/intelp2m/platforms/ebg/macro.go

@@ -0,0 +1,108 @@
+package ebg
+
+import (
+	"fmt"
+
+	"review.coreboot.org/coreboot.git/util/intelp2m/platforms/common"
+	"review.coreboot.org/coreboot.git/util/intelp2m/config"
+	"review.coreboot.org/coreboot.git/util/intelp2m/fields"
+	"review.coreboot.org/coreboot.git/util/intelp2m/platforms/snr"
+	"review.coreboot.org/coreboot.git/util/intelp2m/platforms/cnl"
+)
+
+const (
+	PAD_CFG_DW0_RO_FIELDS = (0x1 << 27) | (0x1 << 24) | (0x3 << 21) | (0xf << 16) | 0xfc
+	PAD_CFG_DW1_RO_FIELDS = 0xfdffc3ff
+)
+
+const (
+	PAD_CFG_DW0 = common.PAD_CFG_DW0
+	PAD_CFG_DW1 = common.PAD_CFG_DW1
+	MAX_DW_NUM  = common.MAX_DW_NUM
+)
+
+type InheritanceMacro interface {
+	Pull()
+	GpiMacroAdd()
+	GpoMacroAdd()
+	NativeFunctionMacroAdd()
+	NoConnMacroAdd()
+}
+
+type PlatformSpecific struct {
+	InheritanceMacro
+	InheritanceTemplate
+}
+
+// RemmapRstSrc - remmap Pad Reset Source Config
+func (PlatformSpecific) RemmapRstSrc() {
+	macro := common.GetMacro()
+	if config.TemplateGet() != config.TempInteltool {
+		// Use reset source remapping only if the input file is inteltool.log dump
+		return
+	}
+	dw0 := macro.Register(PAD_CFG_DW0)
+	var remapping = map[uint8]uint32{
+		0: common.RST_RSMRST << common.PadRstCfgShift,
+		1: common.RST_DEEP   << common.PadRstCfgShift,
+		2: common.RST_PLTRST << common.PadRstCfgShift,
+	}
+	resetsrc, valid := remapping[dw0.GetResetConfig()]
+	if valid {
+		// dw0.SetResetConfig(resetsrc)
+		ResetConfigFieldVal := (dw0.ValueGet() & 0x3fffffff) | remapping[dw0.GetResetConfig()]
+		dw0.ValueSet(ResetConfigFieldVal)
+	} else {
+		fmt.Println("Invalid Pad Reset Config [ 0x", resetsrc ," ] for ", macro.PadIdGet())
+	}
+	dw0.CntrMaskFieldsClear(common.PadRstCfgMask)
+}
+
+// Adds The Pad Termination (TERM) parameter from PAD_CFG_DW1 to the macro
+// as a new argument
+func (platform PlatformSpecific) Pull() {
+	platform.InheritanceMacro.Pull()
+}
+
+// Adds PAD_CFG_GPI macro with arguments
+func (platform PlatformSpecific) GpiMacroAdd() {
+	platform.InheritanceMacro.GpiMacroAdd()
+}
+
+// Adds PAD_CFG_GPO macro with arguments
+func (platform PlatformSpecific) GpoMacroAdd() {
+	platform.InheritanceMacro.GpoMacroAdd()
+}
+
+// Adds PAD_CFG_NF macro with arguments
+func (platform PlatformSpecific) NativeFunctionMacroAdd() {
+	platform.InheritanceMacro.NativeFunctionMacroAdd()
+}
+
+// Adds PAD_NC macro
+func (platform PlatformSpecific) NoConnMacroAdd() {
+	platform.InheritanceMacro.NoConnMacroAdd()
+}
+
+// GenMacro - generate pad macro
+// dw0 : DW0 config register value
+// dw1 : DW1 config register value
+// return: string of macro
+//         error
+func (platform PlatformSpecific) GenMacro(id string, dw0 uint32, dw1 uint32, ownership uint8) string {
+	macro := common.GetInstanceMacro(
+		PlatformSpecific{
+			InheritanceMacro : cnl.PlatformSpecific{
+				InheritanceMacro : snr.PlatformSpecific{},
+			},
+		},
+		fields.InterfaceGet(),
+	)
+	macro.Clear()
+	macro.Register(PAD_CFG_DW0).CntrMaskFieldsClear(common.AllFields)
+	macro.Register(PAD_CFG_DW1).CntrMaskFieldsClear(common.AllFields)
+	macro.PadIdSet(id).SetPadOwnership(ownership)
+	macro.Register(PAD_CFG_DW0).ValueSet(dw0).ReadOnlyFieldsSet(PAD_CFG_DW0_RO_FIELDS)
+	macro.Register(PAD_CFG_DW1).ValueSet(dw1).ReadOnlyFieldsSet(PAD_CFG_DW1_RO_FIELDS)
+	return macro.Generate()
+}