BeagleBoardPkg: Set paddings following the BeagleBoard revision (A, B, xM, etc)

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12431 6f19259b-4bc3-4df7-8a09-765794883524

3 files changed, 100 insertions, 20 deletions

diff --git a/BeagleBoardPkg/Include/BeagleBoard.h b/BeagleBoardPkg/Include/BeagleBoard.h
index 532d6e4ca..cdd724233 100755
--- a/BeagleBoardPkg/Include/BeagleBoard.h
+++ b/BeagleBoardPkg/Include/BeagleBoard.h
@@ -165,4 +165,15 @@
 #define ARM_EB_EFI_MEMORY_REGION_SZ             0x1000000

 #endif

 

+typedef enum {

+  REVISION_XM,

+  REVISION_UNKNOWN0,

+  REVISION_UNKNOWN1,

+  REVISION_UNKNOWN2,

+  REVISION_UNKNOWN3,

+  REVISION_C4,

+  REVISION_C123,

+  REVISION_AB,

+} BEAGLEBOARD_REVISION;

+

 #endif 

diff --git a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c
index 5a40ccea9..8acb6d971 100755
--- a/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c
+++ b/BeagleBoardPkg/Library/BeagleBoardLib/BeagleBoard.c
@@ -18,10 +18,11 @@
 #include <Library/PcdLib.h>
 
 #include <Omap3530/Omap3530.h>
+#include <BeagleBoard.h>
 
 VOID
 PadConfiguration (
-  VOID
+  BEAGLEBOARD_REVISION Revision
   );
 
 VOID
@@ -30,6 +31,30 @@ ClockInit (
   );
 
 /**
+  Detect board revision
+
+  @return Board revision
+**/
+BEAGLEBOARD_REVISION
+BeagleBoardGetRevision (
+  VOID
+  )
+{
+  UINT32 OldPinDir;
+  UINT32 Revision;
+
+  // Read GPIO 171, 172, 173
+  OldPinDir = MmioRead32 (GPIO6_BASE + GPIO_OE);
+  MmioWrite32(GPIO6_BASE + GPIO_OE, (OldPinDir | BIT11 | BIT12 | BIT13));
+  Revision = MmioRead32 (GPIO6_BASE + GPIO_DATAIN);
+  
+  // Restore I/O settings
+  MmioWrite32 (GPIO6_BASE + GPIO_OE, OldPinDir);
+  
+  return (BEAGLEBOARD_REVISION)((Revision >> 11) & 0x7);
+}
+
+/**
   Return if Trustzone is supported by your platform
 
   A non-zero value must be returned if you want to support a Secure World on your platform.
@@ -105,8 +130,12 @@ ArmPlatformNormalInitialize (
   VOID
   )
 {
-  //Set up Pin muxing.
-  PadConfiguration ();
+  BEAGLEBOARD_REVISION Revision;
+
+  Revision = BeagleBoardGetRevision();
+
+  // Set up Pin muxing.
+  PadConfiguration (Revision);
 
   // Set up system clocking
   ClockInit ();
diff --git a/BeagleBoardPkg/Library/BeagleBoardLib/PadConfiguration.c b/BeagleBoardPkg/Library/BeagleBoardLib/PadConfiguration.c
index ddd929612..45438023d 100755
--- a/BeagleBoardPkg/Library/BeagleBoardLib/PadConfiguration.c
+++ b/BeagleBoardPkg/Library/BeagleBoardLib/PadConfiguration.c
@@ -16,10 +16,13 @@
 #include <Library/IoLib.h>

 #include <Library/DebugLib.h>

 #include <Omap3530/Omap3530.h>

+#include <BeagleBoard.h>

 

-#define NUM_PINS 238

+#define NUM_PINS_SHARED 232

+#define NUM_PINS_ABC 6

+#define NUM_PINS_XM 12

 

-PAD_CONFIGURATION PadConfigurationTable[NUM_PINS] = {

+PAD_CONFIGURATION PadConfigurationTableShared[] = {

   //Pin,           MuxMode,    PullConfig,                      InputEnable

   { SDRC_D0,       MUXMODE0,   PULL_DISABLED,                INPUT  },

   { SDRC_D1,       MUXMODE0,   PULL_DISABLED,                INPUT  },

@@ -127,12 +130,6 @@ PAD_CONFIGURATION PadConfigurationTable[NUM_PINS] = {
   { DSS_DATA15,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

   { DSS_DATA16,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

   { DSS_DATA17,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

-  { DSS_DATA18,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

-  { DSS_DATA19,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

-  { DSS_DATA20,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

-  { DSS_DATA21,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

-  { DSS_DATA22,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

-  { DSS_DATA23,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

   { CAM_HS,        MUXMODE0,   PULL_UP_SELECTED,             INPUT },

   { CAM_VS,        MUXMODE0,   PULL_UP_SELECTED,             INPUT },

   { CAM_XCLKA,     MUXMODE0,   PULL_DISABLED,                OUTPUT },

@@ -226,7 +223,7 @@ PAD_CONFIGURATION PadConfigurationTable[NUM_PINS] = {
   { I2C2_SDA,      MUXMODE4,   PULL_UP_SELECTED,             INPUT  },

   { I2C3_SCL,      MUXMODE0,   PULL_UP_SELECTED,             INPUT  },

   { I2C3_SDA,      MUXMODE0,   PULL_UP_SELECTED,             INPUT  },

-  { HDQ_SIO,       MUXMODE4,   PULL_UP_SELECTED,             OUTPUT },

+  { HDQ_SIO,       MUXMODE4,   PULL_DISABLED,                OUTPUT },

   { MCSPI1_CLK,    MUXMODE4,   PULL_UP_SELECTED,             INPUT  },

   { MCSPI1_SIMO,   MUXMODE4,   PULL_UP_SELECTED,             INPUT  },

   { MCSPI1_SOMI,   MUXMODE0,   PULL_DISABLED,                INPUT  },

@@ -261,22 +258,65 @@ PAD_CONFIGURATION PadConfigurationTable[NUM_PINS] = {
   { ETK_D15,       MUXMODE3,   PULL_UP_SELECTED,             INPUT  }

 };

 

+PAD_CONFIGURATION PadConfigurationTableAbc[] = {

+  { DSS_DATA18,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

+  { DSS_DATA19,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

+  { DSS_DATA20,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

+  { DSS_DATA21,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

+  { DSS_DATA22,    MUXMODE0,   PULL_DISABLED,                OUTPUT },

+  { DSS_DATA23,    MUXMODE0,   PULL_DISABLED,                OUTPUT }

+};

+

+PAD_CONFIGURATION PadConfigurationTableXm[] = {

+  { DSS_DATA18,    MUXMODE3,   PULL_DISABLED,                OUTPUT },

+  { DSS_DATA19,    MUXMODE3,   PULL_DISABLED,                OUTPUT },

+  { DSS_DATA20,    MUXMODE3,   PULL_DISABLED,                OUTPUT },

+  { DSS_DATA21,    MUXMODE3,   PULL_DISABLED,                OUTPUT },

+  { DSS_DATA22,    MUXMODE3,   PULL_DISABLED,                OUTPUT },

+  { DSS_DATA23,    MUXMODE3,   PULL_DISABLED,                OUTPUT },

+  { SYS_BOOT0,     MUXMODE3,   PULL_DISABLED,                OUTPUT },

+  { SYS_BOOT1,     MUXMODE3,   PULL_DISABLED,                OUTPUT },

+  { SYS_BOOT3,     MUXMODE3,   PULL_DISABLED,                OUTPUT },

+  { SYS_BOOT4,     MUXMODE3,   PULL_DISABLED,                OUTPUT },

+  { SYS_BOOT5,     MUXMODE3,   PULL_DISABLED,                OUTPUT },

+  { SYS_BOOT6,     MUXMODE3,   PULL_DISABLED,                OUTPUT }

+};

+

 VOID

 PadConfiguration (

-  VOID

+  BEAGLEBOARD_REVISION Revision

   )

 {

-  UINTN  Index;

-  UINT16 PadConfiguration;

-  UINTN  NumPinsToConfigure = sizeof(PadConfigurationTable)/sizeof(PAD_CONFIGURATION);

+  UINTN             Index;

+  UINT16            PadConfiguration;

+  PAD_CONFIGURATION *BoardConfiguration;

+  UINTN             NumPinsToConfigure;

+

+  for (Index = 0; Index < NUM_PINS_SHARED; Index++) {

+    // Set up Pad configuration for particular pin.

+    PadConfiguration =  (PadConfigurationTableShared[Index].MuxMode << MUXMODE_OFFSET);

+    PadConfiguration |= (PadConfigurationTableShared[Index].PullConfig << PULL_CONFIG_OFFSET);

+    PadConfiguration |= (PadConfigurationTableShared[Index].InputEnable << INPUTENABLE_OFFSET);

+

+    // Configure the pin with specific Pad configuration.

+    MmioWrite16(PadConfigurationTableShared[Index].Pin, PadConfiguration);

+  }

+

+  if (Revision == REVISION_XM) {

+    BoardConfiguration = PadConfigurationTableXm;

+    NumPinsToConfigure = NUM_PINS_XM;

+  } else {

+    BoardConfiguration = PadConfigurationTableAbc;

+    NumPinsToConfigure = NUM_PINS_ABC;

+  }

 

   for (Index = 0; Index < NumPinsToConfigure; Index++) {

     //Set up Pad configuration for particular pin.

-    PadConfiguration =  (PadConfigurationTable[Index].MuxMode << MUXMODE_OFFSET);

-    PadConfiguration |= (PadConfigurationTable[Index].PullConfig << PULL_CONFIG_OFFSET);

-    PadConfiguration |= (PadConfigurationTable[Index].InputEnable << INPUTENABLE_OFFSET);

+    PadConfiguration =  (BoardConfiguration[Index].MuxMode << MUXMODE_OFFSET);

+    PadConfiguration |= (BoardConfiguration[Index].PullConfig << PULL_CONFIG_OFFSET);

+    PadConfiguration |= (BoardConfiguration[Index].InputEnable << INPUTENABLE_OFFSET);

 

     //Configure the pin with specific Pad configuration.

-    MmioWrite16(PadConfigurationTable[Index].Pin, PadConfiguration);

+    MmioWrite16(BoardConfiguration[Index].Pin, PadConfiguration);

   }

 }