util/intelp2m/platforms/tgl/macro.go

   1 package tgl
   2
   3 import (
   4         "strings"
   5         "fmt"
   6
   7         "review.coreboot.org/coreboot.git/util/intelp2m/platforms/common"
   8         "review.coreboot.org/coreboot.git/util/intelp2m/platforms/snr"
   9         "review.coreboot.org/coreboot.git/util/intelp2m/platforms/cnl"
  10         "review.coreboot.org/coreboot.git/util/intelp2m/config"
  11         "review.coreboot.org/coreboot.git/util/intelp2m/fields"
  12 )
  13
  14 const (
  15         PAD_CFG_DW0_RO_FIELDS = (0x1 << 27) | (0x1 << 24) | (0x3 << 21) | (0xf << 16) | 0xfc
  16         PAD_CFG_DW1_RO_FIELDS = 0xfdffc3ff
  17 )
  18
  19 const (
  20         PAD_CFG_DW0 = common.PAD_CFG_DW0
  21         PAD_CFG_DW1 = common.PAD_CFG_DW1
  22         MAX_DW_NUM  = common.MAX_DW_NUM
  23 )
  24
  25 type InheritanceMacro interface {
  26         Pull()
  27         GpiMacroAdd()
  28         GpoMacroAdd()
  29         NativeFunctionMacroAdd()
  30         NoConnMacroAdd()
  31 }
  32
  33 type PlatformSpecific struct {
  34         InheritanceMacro
  35 }
  36
  37 // RemmapRstSrc - remmap Pad Reset Source Config
  38 func (PlatformSpecific) RemmapRstSrc() {
  39         macro := common.GetMacro()
  40         if config.TemplateGet() != config.TempInteltool {
  41                 // Use reset source remapping only if the input file is inteltool.log dump
  42                 return
  43         }
  44         if strings.Contains(macro.PadIdGet(), "GPD") {
  45                 // See reset map for the TigerLake Community 2:
  46                 // https://github.com/coreboot/coreboot/blob/master/src/soc/intel/tigerlake/gpio.c#L21
  47                 // remmap is not required because it is the same as common.
  48                 return
  49         }
  50
  51         dw0 := macro.Register(PAD_CFG_DW0)
  52         var remapping = map[uint8]uint32{
  53                 0: common.RST_RSMRST << common.PadRstCfgShift,
  54                 1: common.RST_DEEP   << common.PadRstCfgShift,
  55                 2: common.RST_PLTRST << common.PadRstCfgShift,
  56         }
  57         resetsrc, valid := remapping[dw0.GetResetConfig()]
  58         if valid {
  59                 // dw0.SetResetConfig(resetsrc)
  60                 ResetConfigFieldVal := (dw0.ValueGet() & 0x3fffffff) | remapping[dw0.GetResetConfig()]
  61                 dw0.ValueSet(ResetConfigFieldVal)
  62         } else {
  63                 fmt.Println("Invalid Pad Reset Config [ 0x", resetsrc ," ] for ", macro.PadIdGet())
  64         }
  65         dw0.CntrMaskFieldsClear(common.PadRstCfgMask)
  66 }
  67
  68 // Adds The Pad Termination (TERM) parameter from PAD_CFG_DW1 to the macro
  69 // as a new argument
  70 func (platform PlatformSpecific) Pull() {
  71         platform.InheritanceMacro.Pull()
  72 }
  73
  74 // Adds PAD_CFG_GPI macro with arguments
  75 func (platform PlatformSpecific) GpiMacroAdd() {
  76         platform.InheritanceMacro.GpiMacroAdd()
  77 }
  78
  79 // Adds PAD_CFG_GPO macro with arguments
  80 func (platform PlatformSpecific) GpoMacroAdd() {
  81         platform.InheritanceMacro.GpoMacroAdd()
  82 }
  83
  84 // Adds PAD_CFG_NF macro with arguments
  85 func (platform PlatformSpecific) NativeFunctionMacroAdd() {
  86         platform.InheritanceMacro.NativeFunctionMacroAdd()
  87 }
  88
  89 // Adds PAD_NC macro
  90 func (platform PlatformSpecific) NoConnMacroAdd() {
  91         platform.InheritanceMacro.NoConnMacroAdd()
  92 }
  93
  94 // GenMacro - generate pad macro
  95 // dw0 : DW0 config register value
  96 // dw1 : DW1 config register value
  97 // return: string of macro
  98 //         error
  99 func (PlatformSpecific) GenMacro(id string, dw0 uint32, dw1 uint32, ownership uint8) string {
 100         macro := common.GetInstanceMacro(
 101                 PlatformSpecific{
 102                         InheritanceMacro: cnl.PlatformSpecific{
 103                                 InheritanceMacro: snr.PlatformSpecific{},
 104                         },
 105                 },
 106                 fields.InterfaceGet(),
 107         )
 108         macro.Clear()
 109         macro.Register(PAD_CFG_DW0).CntrMaskFieldsClear(common.AllFields)
 110         macro.Register(PAD_CFG_DW1).CntrMaskFieldsClear(common.AllFields)
 111         macro.PadIdSet(id).SetPadOwnership(ownership)
 112         macro.Register(PAD_CFG_DW0).ValueSet(dw0).ReadOnlyFieldsSet(PAD_CFG_DW0_RO_FIELDS)
 113         macro.Register(PAD_CFG_DW1).ValueSet(dw1).ReadOnlyFieldsSet(PAD_CFG_DW1_RO_FIELDS)
 114         return macro.Generate()
 115 }