Vlv2TbltDevicePkg/Library/SerialPortLib/SioInit.c

   1 /** @file
   2
   3   Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7
   8
   9 Module Name:
  10
  11     SioInit.c
  12
  13 Abstract:
  14
  15     Functions for LpcSio initialization
  16
  17 --*/
  18
  19 #include "PlatformSerialPortLib.h"
  20 #include "SioInit.h"
  21
  22 typedef struct {
  23   UINT8 Register;
  24   UINT8 Value;
  25 } EFI_SIO_TABLE;
  26
  27 EFI_SIO_TABLE mSioTableWpcn381u[] = {
  28     {0x29, 0x0A0},
  29     {WPCN381U_LD_SEL_REGISTER, WPCN381U_LDN_UART0},                                       // Select UART0 device
  30     {WPCN381U_BASE1_HI_REGISTER, (UINT8)(WPCN381U_SERIAL_PORT0_BASE_ADDRESS >> 8)},       // Set Base Address MSB
  31     {WPCN381U_BASE1_LO_REGISTER, (UINT8)(WPCN381U_SERIAL_PORT0_BASE_ADDRESS & 0x00FF)},   // Set Base Address LSB
  32     {WPCN381U_IRQ1_REGISTER, 0x014},                                                      // Set to IRQ4
  33     {WPCN381U_ACTIVATE_REGISTER, WPCN381U_ACTIVATE_VALUE},                                // Enable it with Activation bit
  34     {WPCN381U_LD_SEL_REGISTER, WPCN381U_LDN_UART1},                                       // Select UART1 device
  35     {WPCN381U_BASE1_HI_REGISTER, (UINT8)(WPCN381U_SERIAL_PORT1_BASE_ADDRESS >> 8)},       // Set Base Address MSB
  36     {WPCN381U_BASE1_LO_REGISTER, (UINT8)(WPCN381U_SERIAL_PORT1_BASE_ADDRESS & 0x00FF)},   // Set Base Address LSB
  37     {WPCN381U_IRQ1_REGISTER, 0x013},                                                      // Set to IRQ3
  38     {WPCN381U_ACTIVATE_REGISTER, WPCN381U_ACTIVATE_VALUE},                                // Enable it with Activation bit
  39     {WPCN381U_LD_SEL_REGISTER, WPCN381U_LDN_GPIO},                                        // Select GPIO device
  40     {WPCN381U_BASE1_HI_REGISTER, (UINT8)(WPCN381U_GPIO_BASE_ADDRESS >> 8)},               // Set Base Address MSB
  41     {WPCN381U_BASE1_LO_REGISTER, (UINT8)(WPCN381U_GPIO_BASE_ADDRESS & 0x00FF)},           // Set Base Address LSB
  42     {WPCN381U_ACTIVATE_REGISTER, WPCN381U_ACTIVATE_VALUE},                                // Enable it with Activation bit
  43     {0x21, 0x001},                                                                        // Global Device Enable
  44     {0x26, 0x000}
  45 };
  46
  47 EFI_SIO_TABLE mSioTableWdcp376[] = {
  48     {0x29, 0x0A0},
  49     {WPCN381U_LD_SEL_REGISTER, WPCN381U_LDN_UART0},                                       // Select UART0 device
  50     {WPCN381U_BASE1_HI_REGISTER, (UINT8)(WPCN381U_SERIAL_PORT0_BASE_ADDRESS >> 8)},       // Set Base Address MSB
  51     {WPCN381U_BASE1_LO_REGISTER, (UINT8)(WPCN381U_SERIAL_PORT0_BASE_ADDRESS & 0x00FF)},   // Set Base Address LSB
  52     {WPCN381U_IRQ1_REGISTER, 0x014},                                                      // Set to IRQ4
  53     {WPCN381U_ACTIVATE_REGISTER, WPCN381U_ACTIVATE_VALUE},                                // Enable it with Activation bit
  54     {WPCN381U_LD_SEL_REGISTER, WPCN381U_LDN_UART1},                                       // Select UART1 device
  55     {WPCN381U_BASE1_HI_REGISTER, (UINT8)(WPCN381U_SERIAL_PORT1_BASE_ADDRESS >> 8)},       // Set Base Address MSB
  56     {WPCN381U_BASE1_LO_REGISTER, (UINT8)(WPCN381U_SERIAL_PORT1_BASE_ADDRESS & 0x00FF)},   // Set Base Address LSB
  57     {WPCN381U_IRQ1_REGISTER, 0x013},                                                      // Set to IRQ3
  58     {WPCN381U_ACTIVATE_REGISTER, WPCN381U_ACTIVATE_VALUE},                                // Enable it with Activation bit
  59     {WPCN381U_LD_SEL_REGISTER, WPCN381U_LDN_GPIO},                                        // Select GPIO device
  60     {WPCN381U_BASE1_HI_REGISTER, (UINT8)(WPCN381U_GPIO_BASE_ADDRESS >> 8)},               // Set Base Address MSB
  61     {WPCN381U_BASE1_LO_REGISTER, (UINT8)(WPCN381U_GPIO_BASE_ADDRESS & 0x00FF)},           // Set Base Address LSB
  62     {WPCN381U_ACTIVATE_REGISTER, WPCN381U_ACTIVATE_VALUE},                                // Enable it with Activation bit
  63     {0x21, 0x001},                                                                        // Global Device Enable
  64     {0x26, 0x000},
  65     {WPCN381U_LD_SEL_REGISTER, WPCN381U_LDN_PS2K},                                        // Select PS2 Keyboard
  66     {WPCN381U_BASE1_HI_REGISTER, (UINT8)(WPCN381U_KB_BASE1_ADDRESS >> 8)},                // Set Base Address MSB
  67     {WPCN381U_BASE1_LO_REGISTER, (UINT8)(WPCN381U_KB_BASE1_ADDRESS & 0x00FF)},            // Set Base Address LSB
  68     {WPCN381U_BASE2_HI_REGISTER, (UINT8)(WPCN381U_KB_BASE2_ADDRESS >> 8)},                // Set Base Address MSB
  69     {WPCN381U_BASE2_LO_REGISTER, (UINT8)(WPCN381U_KB_BASE2_ADDRESS & 0x00FF)},            // Set Base Address LSB
  70     {WPCN381U_IRQ1_REGISTER, 0x011},                                                      // Set to IRQ1
  71     {0xF0, (SIO_KBC_CLOCK << 6)},                                                         // Select KBC Clock Source
  72     {WPCN381U_ACTIVATE_REGISTER, WPCN381U_ACTIVATE_VALUE},                                // Enable it with Activation bit
  73     {WPCN381U_LD_SEL_REGISTER, WPCN381U_LDN_PS2M},                                        // Select PS2 Mouse
  74     {WPCN381U_IRQ1_REGISTER, 0x01c},                                                      // Set to IRQ12
  75     {WPCN381U_ACTIVATE_REGISTER, WPCN381U_ACTIVATE_VALUE}                                 // Enable it with Activation bit
  76 };
  77
  78 /**
  79   Initialization for SIO.
  80
  81   @param FfsHeader     FV this PEIM was loaded from.
  82   @param PeiServices   General purpose services available to every PEIM.
  83
  84   None
  85
  86 **/
  87 VOID
  88 InitializeSio (
  89   VOID
  90   )
  91 {
  92   UINT16          Index;
  93   UINT16          IndexPort;
  94   UINT16          DataPort;
  95
  96   //
  97   // Super I/O initialization for Winbond WPCN381U
  98   //
  99   IndexPort  = WPCN381U_CONFIG_INDEX;
 100   DataPort   = WPCN381U_CONFIG_DATA;
 101
 102   //
 103   // Check for Winbond WPCN381U
 104   //
 105   IoWrite8 (IndexPort, WPCN381U_DEV_ID_REGISTER);   // Winbond WPCN381U Device ID register is 0x20
 106
 107   if (IoRead8 (DataPort) == WPCN381U_CHIP_ID) {   // Winbond WPCN381U Device ID is 0xF4
 108     //
 109     // Configure WPCN381U SIO
 110     //
 111     for (Index = 0; Index < sizeof (mSioTableWpcn381u) / sizeof (EFI_SIO_TABLE); Index++) {
 112       IoWrite8 (IndexPort, mSioTableWpcn381u[Index].Register);
 113       IoWrite8 (DataPort, mSioTableWpcn381u[Index].Value);
 114     }
 115   }
 116
 117   if (IoRead8 (DataPort) == WDCP376_CHIP_ID) {   // Winbond WDCP376 Device ID is 0xF1
 118     //
 119     // Configure WDCP376 SIO
 120     //
 121     for (Index = 0; Index < sizeof (mSioTableWdcp376) / sizeof (EFI_SIO_TABLE); Index++) {
 122       IoWrite8 (IndexPort, mSioTableWdcp376[Index].Register);
 123       IoWrite8 (DataPort, mSioTableWdcp376[Index].Value);
 124     }
 125   }
 126   return;
 127 }