util/intelp2m/platforms/lbg/macro.go

   1 package lbg
   2
   3 import (
   4         "fmt"
   5
   6         "review.coreboot.org/coreboot.git/util/intelp2m/platforms/common"
   7         "review.coreboot.org/coreboot.git/util/intelp2m/config"
   8         "review.coreboot.org/coreboot.git/util/intelp2m/fields"
   9         "review.coreboot.org/coreboot.git/util/intelp2m/platforms/snr"
  10 )
  11
  12 const (
  13         PAD_CFG_DW0_RO_FIELDS = (0x1 << 27) | (0x1 << 24) | (0x3 << 21) | (0xf << 16) | 0xfc
  14         PAD_CFG_DW1_RO_FIELDS = 0xfdffc3ff
  15 )
  16
  17 const (
  18         PAD_CFG_DW0 = common.PAD_CFG_DW0
  19         PAD_CFG_DW1 = common.PAD_CFG_DW1
  20         MAX_DW_NUM  = common.MAX_DW_NUM
  21 )
  22
  23 type InheritanceMacro interface {
  24         Pull()
  25         GpiMacroAdd()
  26         GpoMacroAdd()
  27         NativeFunctionMacroAdd()
  28         NoConnMacroAdd()
  29 }
  30
  31 type PlatformSpecific struct {
  32         InheritanceMacro
  33         InheritanceTemplate
  34 }
  35
  36 // RemmapRstSrc - remmap Pad Reset Source Config
  37 func (PlatformSpecific) RemmapRstSrc() {
  38         macro := common.GetMacro()
  39         if config.TemplateGet() != config.TempInteltool {
  40                 // Use reset source remapping only if the input file is inteltool.log dump
  41                 return
  42         }
  43         dw0 := macro.Register(PAD_CFG_DW0)
  44         var remapping = map[uint8]uint32{
  45                 0: common.RST_RSMRST << common.PadRstCfgShift,
  46                 1: common.RST_DEEP   << common.PadRstCfgShift,
  47                 2: common.RST_PLTRST << common.PadRstCfgShift,
  48         }
  49         resetsrc, valid := remapping[dw0.GetResetConfig()]
  50         if valid {
  51                 // dw0.SetResetConfig(resetsrc)
  52                 ResetConfigFieldVal := (dw0.ValueGet() & 0x3fffffff) | remapping[dw0.GetResetConfig()]
  53                 dw0.ValueSet(ResetConfigFieldVal)
  54         } else {
  55                 fmt.Println("Invalid Pad Reset Config [ 0x", resetsrc ," ] for ", macro.PadIdGet())
  56         }
  57         dw0.CntrMaskFieldsClear(common.PadRstCfgMask)
  58 }
  59
  60 // Adds The Pad Termination (TERM) parameter from PAD_CFG_DW1 to the macro
  61 // as a new argument
  62 func (platform PlatformSpecific) Pull() {
  63         platform.InheritanceMacro.Pull()
  64 }
  65
  66 // Adds PAD_CFG_GPI macro with arguments
  67 func (platform PlatformSpecific) GpiMacroAdd() {
  68         platform.InheritanceMacro.GpiMacroAdd()
  69 }
  70
  71 // Adds PAD_CFG_GPO macro with arguments
  72 func (platform PlatformSpecific) GpoMacroAdd() {
  73         platform.InheritanceMacro.GpoMacroAdd()
  74 }
  75
  76 // Adds PAD_CFG_NF macro with arguments
  77 func (platform PlatformSpecific) NativeFunctionMacroAdd() {
  78         platform.InheritanceMacro.NativeFunctionMacroAdd()
  79 }
  80
  81 // Adds PAD_NC macro
  82 func (platform PlatformSpecific) NoConnMacroAdd() {
  83         platform.InheritanceMacro.NoConnMacroAdd()
  84 }
  85
  86 // GenMacro - generate pad macro
  87 // dw0 : DW0 config register value
  88 // dw1 : DW1 config register value
  89 // return: string of macro
  90 //         error
  91 func (platform PlatformSpecific) GenMacro(id string, dw0 uint32, dw1 uint32, ownership uint8) string {
  92         // The GPIO controller architecture in Lewisburg and Sunrise are very similar,
  93         // so we will inherit some platform-dependent functions from Sunrise.
  94         macro := common.GetInstanceMacro(PlatformSpecific{InheritanceMacro : snr.PlatformSpecific{}},
  95                         fields.InterfaceGet())
  96         macro.Clear()
  97         macro.Register(PAD_CFG_DW0).CntrMaskFieldsClear(common.AllFields)
  98         macro.Register(PAD_CFG_DW0).CntrMaskFieldsClear(common.AllFields)
  99         macro.PadIdSet(id).SetPadOwnership(ownership)
 100         macro.Register(PAD_CFG_DW0).ValueSet(dw0).ReadOnlyFieldsSet(PAD_CFG_DW0_RO_FIELDS)
 101         macro.Register(PAD_CFG_DW1).ValueSet(dw1).ReadOnlyFieldsSet(PAD_CFG_DW1_RO_FIELDS)
 102         return macro.Generate()
 103 }