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      1 /** @file
      2 
      3   Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
      4 
      5   This program and the accompanying materials
      6   are licensed and made available under the terms and conditions of the BSD License
      7   which accompanies this distribution.  The full text of the license may be found at
      8   http://opensource.org/licenses/bsd-license.php
      9 
     10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     12 
     13 **/
     14 
     15 #include <PiPei.h>
     16 #include <Library/IoLib.h>
     17 #include <Library/DebugLib.h>
     18 #include <Omap3530/Omap3530.h>
     19 #include <BeagleBoard.h>
     20 
     21 #define NUM_PINS_SHARED 232
     22 #define NUM_PINS_ABC 6
     23 #define NUM_PINS_XM 12
     24 
     25 PAD_CONFIGURATION PadConfigurationTableShared[] = {
     26   //Pin,           MuxMode,    PullConfig,                      InputEnable
     27   { SDRC_D0,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     28   { SDRC_D1,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     29   { SDRC_D2,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     30   { SDRC_D3,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     31   { SDRC_D4,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     32   { SDRC_D5,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     33   { SDRC_D6,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     34   { SDRC_D7,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     35   { SDRC_D8,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     36   { SDRC_D9,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     37   { SDRC_D10,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     38   { SDRC_D11,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     39   { SDRC_D12,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     40   { SDRC_D13,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     41   { SDRC_D14,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     42   { SDRC_D15,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     43   { SDRC_D16,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     44   { SDRC_D17,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     45   { SDRC_D18,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     46   { SDRC_D19,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     47   { SDRC_D20,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     48   { SDRC_D21,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     49   { SDRC_D22,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     50   { SDRC_D23,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     51   { SDRC_D24,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     52   { SDRC_D25,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     53   { SDRC_D26,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     54   { SDRC_D27,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     55   { SDRC_D28,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     56   { SDRC_D29,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     57   { SDRC_D30,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     58   { SDRC_D31,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     59   { SDRC_CLK,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     60   { SDRC_DQS0,     MUXMODE0,   PULL_DISABLED,                INPUT  },
     61   { SDRC_CKE0,     MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
     62   { SDRC_CKE1,     MUXMODE7,   PULL_DISABLED,                INPUT  },
     63   { SDRC_DQS1,     MUXMODE0,   PULL_DISABLED,                INPUT  },
     64   { SDRC_DQS2,     MUXMODE0,   PULL_DISABLED,                INPUT  },
     65   { SDRC_DQS3,     MUXMODE0,   PULL_DISABLED,                INPUT  },
     66   { GPMC_A1,       MUXMODE0,   PULL_DISABLED,                OUTPUT },
     67   { GPMC_A2,       MUXMODE0,   PULL_DISABLED,                OUTPUT },
     68   { GPMC_A3,       MUXMODE0,   PULL_DISABLED,                OUTPUT },
     69   { GPMC_A4,       MUXMODE0,   PULL_DISABLED,                OUTPUT },
     70   { GPMC_A5,       MUXMODE0,   PULL_DISABLED,                OUTPUT },
     71   { GPMC_A6,       MUXMODE0,   PULL_DISABLED,                OUTPUT },
     72   { GPMC_A7,       MUXMODE0,   PULL_DISABLED,                OUTPUT },
     73   { GPMC_A8,       MUXMODE0,   PULL_DISABLED,                OUTPUT },
     74   { GPMC_A9,       MUXMODE0,   PULL_DISABLED,                OUTPUT },
     75   { GPMC_A10,      MUXMODE0,   PULL_DISABLED,                OUTPUT },
     76   { GPMC_D0,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     77   { GPMC_D1,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     78   { GPMC_D2,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     79   { GPMC_D3,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     80   { GPMC_D4,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     81   { GPMC_D5,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     82   { GPMC_D6,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     83   { GPMC_D7,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     84   { GPMC_D8,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     85   { GPMC_D9,       MUXMODE0,   PULL_DISABLED,                INPUT  },
     86   { GPMC_D10,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     87   { GPMC_D11,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     88   { GPMC_D12,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     89   { GPMC_D13,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     90   { GPMC_D14,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     91   { GPMC_D15,      MUXMODE0,   PULL_DISABLED,                INPUT  },
     92   { GPMC_NCS0,     MUXMODE0,   PULL_DISABLED,                INPUT  },
     93   { GPMC_NCS1,     MUXMODE0,   PULL_UP_SELECTED,             OUTPUT },
     94   { GPMC_NCS2,     MUXMODE0,   PULL_UP_SELECTED,             OUTPUT },
     95   { GPMC_NCS3,     MUXMODE0,   PULL_UP_SELECTED,             OUTPUT },
     96   { GPMC_NCS4,     MUXMODE0,   PULL_UP_SELECTED,             OUTPUT },
     97   { GPMC_NCS5,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
     98   { GPMC_NCS6,     MUXMODE1,   PULL_DISABLED,                INPUT  },
     99   { GPMC_NCS7,     MUXMODE1,   PULL_UP_SELECTED,             INPUT  },
    100   { GPMC_CLK,      MUXMODE0,   PULL_DISABLED,                OUTPUT },
    101   { GPMC_NADV_ALE, MUXMODE0,   PULL_DISABLED,                INPUT  },
    102   { GPMC_NOE,      MUXMODE0,   PULL_DISABLED,                INPUT  },
    103   { GPMC_NWE,      MUXMODE0,   PULL_DISABLED,                INPUT  },
    104   { GPMC_NBE0_CLE, MUXMODE0,   PULL_DISABLED,                OUTPUT },
    105   { GPMC_NBE1,     MUXMODE0,   PULL_DISABLED,                INPUT  },
    106   { GPMC_NWP,      MUXMODE0,   PULL_DISABLED,                INPUT  },
    107   { GPMC_WAIT0,    MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    108   { GPMC_WAIT1,    MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    109   { GPMC_WAIT2,    MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    110   { GPMC_WAIT3,    MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    111   { DSS_PCLK,      MUXMODE0,   PULL_DISABLED,                OUTPUT },
    112   { DSS_HSYNC,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    113   { DSS_PSYNC,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    114   { DSS_ACBIAS,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    115   { DSS_DATA0,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    116   { DSS_DATA1,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    117   { DSS_DATA2,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    118   { DSS_DATA3,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    119   { DSS_DATA4,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    120   { DSS_DATA5,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    121   { DSS_DATA6,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    122   { DSS_DATA7,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    123   { DSS_DATA8,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    124   { DSS_DATA9,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    125   { DSS_DATA10,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    126   { DSS_DATA11,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    127   { DSS_DATA12,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    128   { DSS_DATA13,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    129   { DSS_DATA14,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    130   { DSS_DATA15,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    131   { DSS_DATA16,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    132   { DSS_DATA17,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    133   { CAM_HS,        MUXMODE0,   PULL_UP_SELECTED,             INPUT },
    134   { CAM_VS,        MUXMODE0,   PULL_UP_SELECTED,             INPUT },
    135   { CAM_XCLKA,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    136   { CAM_PCLK,      MUXMODE0,   PULL_UP_SELECTED,             INPUT },
    137   { CAM_FLD,       MUXMODE4,   PULL_DISABLED,                OUTPUT },
    138   { CAM_D0,        MUXMODE0,   PULL_DISABLED,                INPUT  },
    139   { CAM_D1,        MUXMODE0,   PULL_DISABLED,                INPUT  },
    140   { CAM_D2,        MUXMODE0,   PULL_DISABLED,                INPUT  },
    141   { CAM_D3,        MUXMODE0,   PULL_DISABLED,                INPUT  },
    142   { CAM_D4,        MUXMODE0,   PULL_DISABLED,                INPUT  },
    143   { CAM_D5,        MUXMODE0,   PULL_DISABLED,                INPUT  },
    144   { CAM_D6,        MUXMODE0,   PULL_DISABLED,                INPUT  },
    145   { CAM_D7,        MUXMODE0,   PULL_DISABLED,                INPUT  },
    146   { CAM_D8,        MUXMODE0,   PULL_DISABLED,                INPUT  },
    147   { CAM_D9,        MUXMODE0,   PULL_DISABLED,                INPUT  },
    148   { CAM_D10,       MUXMODE0,   PULL_DISABLED,                INPUT  },
    149   { CAM_D11,       MUXMODE0,   PULL_DISABLED,                INPUT  },
    150   { CAM_XCLKB,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    151   { CAM_WEN,       MUXMODE4,   PULL_DISABLED,                INPUT  },
    152   { CAM_STROBE,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    153   { CSI2_DX0,      MUXMODE0,   PULL_DISABLED,                INPUT  },
    154   { CSI2_DY0,      MUXMODE0,   PULL_DISABLED,                INPUT  },
    155   { CSI2_DX1,      MUXMODE0,   PULL_DISABLED,                INPUT  },
    156   { CSI2_DY1,      MUXMODE0,   PULL_DISABLED,                INPUT  },
    157   { MCBSP2_FSX,    MUXMODE0,   PULL_DISABLED,                INPUT  },
    158   { MCBSP2_CLKX,   MUXMODE0,   PULL_DISABLED,                INPUT  },
    159   { MCBSP2_DR,     MUXMODE0,   PULL_DISABLED,                INPUT  },
    160   { MCBSP2_DX,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    161   { MMC1_CLK,      MUXMODE0,   PULL_UP_SELECTED,             OUTPUT },
    162   { MMC1_CMD,      MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    163   { MMC1_DAT0,     MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    164   { MMC1_DAT1,     MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    165   { MMC1_DAT2,     MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    166   { MMC1_DAT3,     MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    167   { MMC1_DAT4,     MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    168   { MMC1_DAT5,     MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    169   { MMC1_DAT6,     MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    170   { MMC1_DAT7,     MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    171   { MMC2_CLK,      MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    172   { MMC2_CMD,      MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    173   { MMC2_DAT0,     MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    174   { MMC2_DAT1,     MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    175   { MMC2_DAT2,     MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    176   { MMC2_DAT3,     MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    177   { MMC2_DAT4,     MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    178   { MMC2_DAT5,     MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    179   { MMC2_DAT6,     MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    180   { MMC2_DAT7,     MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    181   { MCBSP3_DX,     MUXMODE4,   PULL_DISABLED,                OUTPUT },
    182   { MCBSP3_DR,     MUXMODE4,   PULL_DISABLED,                OUTPUT },
    183   { MCBSP3_CLKX,   MUXMODE4,   PULL_DISABLED,                OUTPUT },
    184   { MCBSP3_FSX,    MUXMODE4,   PULL_DISABLED,                OUTPUT },
    185   { UART2_CTS,     MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    186   { UART2_RTS,     MUXMODE0,   PULL_DISABLED,                OUTPUT },
    187   { UART2_TX,      MUXMODE0,   PULL_DISABLED,                OUTPUT },
    188   { UART2_RX,      MUXMODE4,   PULL_DISABLED,                OUTPUT },
    189   { UART1_TX,      MUXMODE0,   PULL_DISABLED,                OUTPUT },
    190   { UART1_RTS,     MUXMODE4,   PULL_DISABLED,                OUTPUT },
    191   { UART1_CTS,     MUXMODE4,   PULL_DISABLED,                OUTPUT },
    192   { UART1_RX,      MUXMODE0,   PULL_DISABLED,                INPUT  },
    193   { MCBSP4_CLKX,   MUXMODE1,   PULL_DISABLED,                INPUT  },
    194   { MCBSP4_DR,     MUXMODE1,   PULL_DISABLED,                INPUT  },
    195   { MCBSP4_DX,     MUXMODE1,   PULL_DISABLED,                INPUT  },
    196   { MCBSP4_FSX,    MUXMODE1,   PULL_DISABLED,                INPUT  },
    197   { MCBSP1_CLKR,   MUXMODE4,   PULL_DISABLED,                OUTPUT },
    198   { MCBSP1_FSR,    MUXMODE4,   PULL_UP_SELECTED,             OUTPUT },
    199   { MCBSP1_DX,     MUXMODE4,   PULL_DISABLED,                OUTPUT },
    200   { MCBSP1_DR,     MUXMODE4,   PULL_DISABLED,                OUTPUT },
    201   { MCBSP1_CLKS,   MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    202   { MCBSP1_FSX,    MUXMODE4,   PULL_DISABLED,                OUTPUT },
    203   { MCBSP1_CLKX,   MUXMODE4,   PULL_DISABLED,                OUTPUT },
    204   { UART3_CTS_RCTX,MUXMODE0,   PULL_UP_SELECTED,                 INPUT  },
    205   { UART3_RTS_SD,  MUXMODE0,   PULL_DISABLED,                OUTPUT },
    206   { UART3_RX_IRRX, MUXMODE0,   PULL_DISABLED,                INPUT  },
    207   { UART3_TX_IRTX, MUXMODE0,   PULL_DISABLED,                OUTPUT },
    208   { HSUSB0_CLK,    MUXMODE0,   PULL_DISABLED,                INPUT  },
    209   { HSUSB0_STP,    MUXMODE0,   PULL_UP_SELECTED,             OUTPUT },
    210   { HSUSB0_DIR,    MUXMODE0,   PULL_DISABLED,                INPUT  },
    211   { HSUSB0_NXT,    MUXMODE0,   PULL_DISABLED,                INPUT  },
    212   { HSUSB0_DATA0,  MUXMODE0,   PULL_DISABLED,                INPUT  },
    213   { HSUSB0_DATA1,  MUXMODE0,   PULL_DISABLED,                INPUT  },
    214   { HSUSB0_DATA2,  MUXMODE0,   PULL_DISABLED,                INPUT  },
    215   { HSUSB0_DATA3,  MUXMODE0,   PULL_DISABLED,                INPUT  },
    216   { HSUSB0_DATA4,  MUXMODE0,   PULL_DISABLED,                INPUT  },
    217   { HSUSB0_DATA5,  MUXMODE0,   PULL_DISABLED,                INPUT  },
    218   { HSUSB0_DATA6,  MUXMODE0,   PULL_DISABLED,                INPUT  },
    219   { HSUSB0_DATA7,  MUXMODE0,   PULL_DISABLED,                INPUT  },
    220   { I2C1_SCL,      MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    221   { I2C1_SDA,      MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    222   { I2C2_SCL,      MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    223   { I2C2_SDA,      MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    224   { I2C3_SCL,      MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    225   { I2C3_SDA,      MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    226   { HDQ_SIO,       MUXMODE4,   PULL_DISABLED,                OUTPUT },
    227   { MCSPI1_CLK,    MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    228   { MCSPI1_SIMO,   MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    229   { MCSPI1_SOMI,   MUXMODE0,   PULL_DISABLED,                INPUT  },
    230   { MCSPI1_CS0,    MUXMODE0,   PULL_UP_SELECTED,                 INPUT  },
    231   { MCSPI1_CS1,    MUXMODE0,   PULL_UP_SELECTED,                 OUTPUT },
    232   { MCSPI1_CS2,    MUXMODE4,   PULL_DISABLED,                OUTPUT },
    233   { MCSPI1_CS3,    MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    234   { MCSPI2_CLK,    MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    235   { MCSPI2_SIMO,   MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    236   { MCSPI2_SOMI,   MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    237   { MCSPI2_CS0,    MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    238   { MCSPI2_CS1,    MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    239   { SYS_NIRQ,      MUXMODE0,   PULL_UP_SELECTED,             INPUT  },
    240   { SYS_CLKOUT2,   MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    241   { ETK_CLK,       MUXMODE3,   PULL_UP_SELECTED,             OUTPUT },
    242   { ETK_CTL,       MUXMODE3,   PULL_UP_SELECTED,             OUTPUT },
    243   { ETK_D0,        MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    244   { ETK_D1,        MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    245   { ETK_D2,        MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    246   { ETK_D3,        MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    247   { ETK_D4,        MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    248   { ETK_D5,        MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    249   { ETK_D6,        MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    250   { ETK_D7,        MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    251   { ETK_D8,        MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    252   { ETK_D9,        MUXMODE4,   PULL_UP_SELECTED,             INPUT  },
    253   { ETK_D10,       MUXMODE3,   PULL_UP_SELECTED,             OUTPUT },
    254   { ETK_D11,       MUXMODE3,   PULL_UP_SELECTED,             OUTPUT },
    255   { ETK_D12,       MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    256   { ETK_D13,       MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    257   { ETK_D14,       MUXMODE3,   PULL_UP_SELECTED,             INPUT  },
    258   { ETK_D15,       MUXMODE3,   PULL_UP_SELECTED,             INPUT  }
    259 };
    260 
    261 PAD_CONFIGURATION PadConfigurationTableAbc[] = {
    262   { DSS_DATA18,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    263   { DSS_DATA19,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    264   { DSS_DATA20,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    265   { DSS_DATA21,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    266   { DSS_DATA22,    MUXMODE0,   PULL_DISABLED,                OUTPUT },
    267   { DSS_DATA23,    MUXMODE0,   PULL_DISABLED,                OUTPUT }
    268 };
    269 
    270 PAD_CONFIGURATION PadConfigurationTableXm[] = {
    271   { DSS_DATA18,    MUXMODE3,   PULL_DISABLED,                OUTPUT },
    272   { DSS_DATA19,    MUXMODE3,   PULL_DISABLED,                OUTPUT },
    273   { DSS_DATA20,    MUXMODE3,   PULL_DISABLED,                OUTPUT },
    274   { DSS_DATA21,    MUXMODE3,   PULL_DISABLED,                OUTPUT },
    275   { DSS_DATA22,    MUXMODE3,   PULL_DISABLED,                OUTPUT },
    276   { DSS_DATA23,    MUXMODE3,   PULL_DISABLED,                OUTPUT },
    277   { SYS_BOOT0,     MUXMODE3,   PULL_DISABLED,                OUTPUT },
    278   { SYS_BOOT1,     MUXMODE3,   PULL_DISABLED,                OUTPUT },
    279   { SYS_BOOT3,     MUXMODE3,   PULL_DISABLED,                OUTPUT },
    280   { SYS_BOOT4,     MUXMODE3,   PULL_DISABLED,                OUTPUT },
    281   { SYS_BOOT5,     MUXMODE3,   PULL_DISABLED,                OUTPUT },
    282   { SYS_BOOT6,     MUXMODE3,   PULL_DISABLED,                OUTPUT }
    283 };
    284 
    285 VOID
    286 PadConfiguration (
    287   BEAGLEBOARD_REVISION Revision
    288   )
    289 {
    290   UINTN             Index;
    291   UINT16            PadConfiguration;
    292   PAD_CONFIGURATION *BoardConfiguration;
    293   UINTN             NumPinsToConfigure;
    294 
    295   for (Index = 0; Index < NUM_PINS_SHARED; Index++) {
    296     // Set up Pad configuration for particular pin.
    297     PadConfiguration =  (PadConfigurationTableShared[Index].MuxMode << MUXMODE_OFFSET);
    298     PadConfiguration |= (PadConfigurationTableShared[Index].PullConfig << PULL_CONFIG_OFFSET);
    299     PadConfiguration |= (PadConfigurationTableShared[Index].InputEnable << INPUTENABLE_OFFSET);
    300 
    301     // Configure the pin with specific Pad configuration.
    302     MmioWrite16(PadConfigurationTableShared[Index].Pin, PadConfiguration);
    303   }
    304 
    305   if (Revision == REVISION_XM) {
    306     BoardConfiguration = PadConfigurationTableXm;
    307     NumPinsToConfigure = NUM_PINS_XM;
    308   } else {
    309     BoardConfiguration = PadConfigurationTableAbc;
    310     NumPinsToConfigure = NUM_PINS_ABC;
    311   }
    312 
    313   for (Index = 0; Index < NumPinsToConfigure; Index++) {
    314     //Set up Pad configuration for particular pin.
    315     PadConfiguration =  (BoardConfiguration[Index].MuxMode << MUXMODE_OFFSET);
    316     PadConfiguration |= (BoardConfiguration[Index].PullConfig << PULL_CONFIG_OFFSET);
    317     PadConfiguration |= (BoardConfiguration[Index].InputEnable << INPUTENABLE_OFFSET);
    318 
    319     //Configure the pin with specific Pad configuration.
    320     MmioWrite16(BoardConfiguration[Index].Pin, PadConfiguration);
    321   }
    322 }
    323