coreboot-kgpe-d16/util/intelp2m/fields/cb/cb.go
Maxim Polyakov 8b35851e4c util/intelp2m: use import once for all included modules
There is no need to repeat "import" for each module in GoLang. Use
this keyword only once in each file for code cleanliness.

Change-Id: Ibb24fafd409b31b174946a39ca1f810d59b87e76
Signed-off-by: Maxim Polyakov <max.senia.poliak@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55985
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2021-07-02 07:48:58 +00:00

175 lines
3.7 KiB
Go

package cb
import (
"../../config"
"../../platforms/common"
)
type FieldMacros struct {}
// field - data structure for creating a new bitfield macro object
// PAD_FUNC(NF3)
// prefix : PAD_FUNC
// name : NF3; this value will be overridden if the configurator is used
// unhide : conditions for hiding macros
// configurator : method for determining the current configuration of the bit field
type field struct {
prefix string
name string
unhide bool
configurator func()
}
// generate - wrapper for generating bitfield macros string
// fields : field structure
func generate(fields ...*field) {
macro := common.GetMacro()
var allhidden bool = true
for _, field := range fields {
if field.unhide {
allhidden = false
macro.Or()
if field.prefix != "" {
macro.Add(field.prefix).Add("(")
}
if field.name != "" {
macro.Add(field.name)
} else if field.configurator != nil {
field.configurator()
}
if field.prefix != "" {
macro.Add(")")
}
}
}
if allhidden { macro.Add("0") }
}
// DecodeDW0 - decode value of DW0 register
func (FieldMacros) DecodeDW0() {
macro := common.GetMacro()
dw0 := macro.Register(common.PAD_CFG_DW0)
generate(
&field {
prefix : "PAD_FUNC",
// TODO: Find another way to hide PAD_FUNC(GPIO) in the comment with
// ignored fields
unhide : config.InfoLevelGet() < 3 || dw0.GetPadMode() != 0,
configurator : func() { macro.Padfn() },
},
&field {
prefix : "PAD_RESET",
unhide : dw0.GetResetConfig() != 0,
configurator : func() { macro.Rstsrc() },
},
&field {
prefix : "PAD_TRIG",
unhide : dw0.GetRXLevelEdgeConfiguration() != 0,
configurator : func() { macro.Trig() },
},
&field {
prefix : "PAD_IRQ_ROUTE",
name : "IOAPIC",
unhide : dw0.GetGPIOInputRouteIOxAPIC() != 0,
},
&field {
prefix : "PAD_IRQ_ROUTE",
name : "SCI",
unhide : dw0.GetGPIOInputRouteSCI() != 0,
},
&field {
prefix : "PAD_IRQ_ROUTE",
name : "SMI",
unhide : dw0.GetGPIOInputRouteSMI() != 0,
},
&field {
prefix : "PAD_IRQ_ROUTE",
name : "NMI",
unhide : dw0.GetGPIOInputRouteNMI() != 0,
},
&field {
prefix : "PAD_RX_POL",
unhide : dw0.GetRxInvert() != 0,
configurator : func() { macro.Invert() },
},
&field {
prefix : "PAD_BUF",
unhide : dw0.GetGPIORxTxDisableStatus() != 0,
configurator : func() { macro.Bufdis() },
},
&field {
name : "(1 << 29)",
unhide : dw0.GetRXPadStateSelect() != 0,
},
&field {
name : "(1 << 28)",
unhide : dw0.GetRXRawOverrideStatus() != 0,
},
&field {
name : "(1 << 1)",
unhide : dw0.GetGPIORXState() != 0,
},
&field {
name : "1",
unhide : dw0.GetGPIOTXState() != 0,
},
)
}
// DecodeDW1 - decode value of DW1 register
func (FieldMacros) DecodeDW1() {
macro := common.GetMacro()
dw1 := macro.Register(common.PAD_CFG_DW1)
generate(
&field {
name : "PAD_CFG1_TOL_1V8",
unhide : dw1.GetPadTol() != 0,
},
&field {
prefix : "PAD_PULL",
unhide : dw1.GetTermination() != 0,
configurator : func() { macro.Pull() },
},
&field {
prefix : "PAD_IOSSTATE",
unhide : dw1.GetIOStandbyState() != 0,
configurator : func() { macro.IOSstate() },
},
&field {
prefix : "PAD_IOSTERM",
unhide : dw1.GetIOStandbyTermination() != 0,
configurator : func() { macro.IOTerm() },
},
&field {
prefix : "PAD_CFG_OWN_GPIO",
unhide : macro.IsOwnershipDriver(),
configurator : func() { macro.Own() },
},
)
}
// GenerateString - generates the entire string of bitfield macros.
func (bitfields FieldMacros) GenerateString() {
macro := common.GetMacro()
macro.Add("_PAD_CFG_STRUCT(").Id().Add(", ")
bitfields.DecodeDW0()
macro.Add(", ")
bitfields.DecodeDW1()
macro.Add("),")
}