pm5337_line_sonet.tcl

用于EOS芯片的驱动程序, 供参考 参考

#------------------------------------------------------------------------------
# FILE NAME: PM5337_LINE_SONET.tcl
#
# DESCRIPTION: 	This file includes the following procedures:
#		1) LINE_SONET_Init
#		2) LINE_SONET_Line_Intf_Config
#               3) LINE_SONET_Timing_Config
#               4) LINE_SONET_PGMCLK_Config
#			
# NOTES:
#
# REVISION History:
# Preliminary 1 - Script created
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# SCRIPT NAME:	LINE_SONET_Init
#
# DESCRIPTION:	This procedure enable or disable the 
#		LINE_SONET subsystem. 
#		
# PARAMETERS:	devID  - This parameter is used to specify the device 
#                        under configuration
#		enable - 0 (disable), 1 (enable)
#
# NOTES: The LINE_SONET block must be enable in the following sequence 
#	 1) Enable the LINE_SONET block 
#	 2) De-assert the LINE_SONET block reset
#
#	 The LINE_SONET block must be disabled in the following sequence
#	 1) Assert the LINE_SONET block reset
#	 2) Disable the LINE_SONET block
#------------------------------------------------------------------------------

proc LINE_SONET_Init {devID enable} {
  
  source /usr/lib/cgi-bin/apps/tclscripts/PM5337_util.tcl    
  
  ################################################
  #####     Enabling Line SONET Subsystem    #####
  ################################################
    
  if {$enable == 1} { 
    # Enable the digital logic in Line SONET 
    admwrb $devID 0x000A 4 0
    # Reset the digital logic in Line SONET
    admwrb $devID 0x0009 4 0
  } else {
    # Reset the digital logic in Line SONET
    admwrb $devID 0x0009 4 1
    # Enable the digital logic in Line SONET
    admwrb $devID 0x000A 4 1
  }
  
  #############################################################
  #####     Enabling all block in LINE_SONET Subsystem    #####
  #############################################################
  
  # Enable all SLP, HOPP, LOPP, LINEIF
  admwr $devID 0x1001 0x00000000
  
  ##########################################################
  #####    Set RESERVED bit to recommended settings    #####
  ##########################################################
  
  # Set RESERVED_0 in LINE_SONET subsystem to 0
  admwrb $devID 0x10C0 4 0 
  admwrb $devID 0x10C0 5 0 
  admwrb $devID 0x10E0 4 0 
  admwrb $devID 0x10E0 5 0 
  admwrb $devID 0x1100 1 0 
  admwrb $devID 0x1180 1 0 
  
  # Set RESERVED_1 in LINE_SONET subsystem to 1
  admwrb $devID 0x10C0 2 1   
  admwrb $devID 0x10E0 2 1 
  admwrb $devID 0x1662 4 1
  admwrb $devID 0x1862 4 1
  
  # Configure HOPP 1/2 to source traffic from CORE_XC
  admwr $devID 0x102C 0x00000000
  admwr $devID 0x102D 0x00000000  
  
  # Fixes for ADM 622 Reference Design Board
  # Set SD_INV bit to 1
  admwrb $devID 0x1320 0 1
  admwrb $devID 0x13A0 0 1
  
}

#------------------------------------------------------------------------------
# SCRIPT NAME: LINE_SONET_Line_Intf_Config
#
# DESCRIPTION: This procedure configures the line interface of the LINE_SONET 
#              subsystem. 
#		
# PARAMETERS: devID          - This parameter is used to specify the device 
#                              under configuration
#             
#             intf           - 0 (interface 1), 1 (interface 2)
#
#             mode           - 0 (Line Interface is Enabled)
#                              1 (Line Interface is Disabled, and the Line SONET 
#                                 slice is used by Auxilary port connected to the SLP)
#                              2 (Line Interface is Disabled, and the  Line SONET 
#                                 slice is used by Auxilary port connected to the HOPP)
#                              3 (Line Interface is Disabled, and the Line SONET slice
#                                 is unused)
#
#             rate           - 0 (OC-3), 1 (OC-12)
#
#             rx_eq          - 0 (disable), 1 (low), 2 (high) 
#
#             txmode4_0       - Valid values are from 01000 to 10100.  See Hardware
#                              Specification for details.
#
# NOTE: 1. When mode is set to 1 to 3, the following values should be used
#          for these parameters:
#        
#          - rate = 0
#          - rx_eq = 0
#          - txmode4_0 = 00000
# 
#------------------------------------------------------------------------------
proc LINE_SONET_Line_Intf_Config {devID intf mode rate rx_eq txmode4_0} {    
  
  source /usr/lib/cgi-bin/apps/tclscripts/PM5337_util.tcl  
 
  
  ########################################
  ##### Configure Line Interface #1  #####
  ########################################
  
  if {$intf == 0} {    
    if {$mode == 0} { 
      
      ##### 1. Set LINE_MODE[1][2:1] to 00 #####
      admwrb $devID 0x1000 1 0
      admwrb $devID 0x1000 0 0                       
      
      ##### 2. Line Rate Configuration #####      
      # rate = 0 for OC-3, rate = 1 for OC-12
      admwrb $devID 0x0000 22 $rate
      
      if {$rate == 1} {
        # Set DCRU_MODE[1] to 0
        admwrb $devID 0x1000 4 0 ;# set this to low for OC-12
      }
      if {$rate == 0} {
        # Set DCRU_MODE[1] to 1
        admwrb $devID 0x1000 4 1 ;# set this to high for OC-3
        
        # Configure DCRU
        admwrb $devID 0x10C0 5 0
        admwrb $devID 0x10C0 4 0
        admwrb $devID 0x10C0 2 0
          
        # Enable DCRU
        admwr $devID 0x10C3 0x0
      }  
            
      ##### 3. RX and Tx Analog Configuration #####      
      # Enable analog receiver
      admwrb $devID 0x1030 11 1
      admwrb $devID 0x1030 15 1
      
      # Enable analog transmitter
      admwrb $devID 0x1036 15 1
      
      # Enable DJAT
      admwr $devID 0x10D3 0x0
            
      # RX Equalization #
      if {$rx_eq == 2} {      
        # Configure Rx Equalization to High
        admwrb $devID 0x1033 9 1
        admwrb $devID 0x1033 8 0  		
      } elseif {$rx_eq == 1} {
        # Configure Rx Equalization to Low
        admwrb $devID 0x1033 9 0
        admwrb $devID 0x1033 8 1  		
      } elseif {$rx_eq == 0} {
        # Disable Rx Equalization
        admwrb $devID 0x1033 9 0
        admwrb $devID 0x1033 8 0  		
      }
  	
      # Configure Tx Swing Level #
      set txmode4 [string index $txmode4_0 0]
      set txmode3 [string index $txmode4_0 1]
      set txmode2 [string index $txmode4_0 2]
      set txmode1 [string index $txmode4_0 3]
      set txmode0 [string index $txmode4_0 4]
      
      admwrb $devID 0x1036 4 $txmode4
      admwrb $devID 0x1036 3 $txmode3
      admwrb $devID 0x1036 2 $txmode2
      admwrb $devID 0x1036 1 $txmode1
      admwrb $devID 0x1036 0 $txmode0

   
    } elseif {$mode == 1} {
    
      ##### Configure Auxilliary Port input to SLP #####
      # 10: The Line Receive and Transmit interfaces #x are unused and the System ESSI/P-TCB
      # are used as line interface. The Section and Line Processor #x processes the receive data and
      # generate the transmit data through the subsystem auxiliary interfaces connected to the
      # CORE_XC subsystem. The line rate is automatically STS-12/STM-4.
      
      admwrb $devID 0x1000 1 1
      admwrb $devID 0x1000 0 0
      
      ##### Disable Line Interface  #####
      # Disable analog receiver
      admwrb $devID 0x1030 11 0
      admwrb $devID 0x1030 15 0
      
      # Disable analog transmitter
      admwrb $devID 0x1036 15 0 
  		
    } elseif {$mode == 2} {
    
      ##### Configure Auxilliary Port input to HOPP #####
      # 11: The Line Receive and Transmit interfaces #x are unused and the System ESSI/P-TCB
      # are used as line interface. The High-Order Path Processor #x processes the receive data and
      # generate the transmit data through the subsystem auxiliary interfaces connected to the
      # CORE_XC subsystem. The line rate is automatically STS-12/STM-4.
  		      
      admwrb $devID 0x1000 1 1
      admwrb $devID 0x1000 0 1
      
      ##### Disable Line Interface  #####
      # Disable analog receiver
      admwrb $devID 0x1030 11 0
      admwrb $devID 0x1030 15 0
      
      # Disable analog transmitter
      admwrb $devID 0x1036 15 0       
        
    } elseif {$mode == 3} {
    
      ##### Set default LINE_MODE #### 
      # 00 or 01: The Line Receive and Transmit interfaces #x are used as the line interface. The
      # line rate is controlled by the LINE_SONET Device Configuration register LINE_622[2:1]
      # bits (STS-12/STM-4 or STS-3/STM-1).  	      
      admwrb $devID 0x1000 1 0
      admwrb $devID 0x1000 0 0  
            
      ##### Disable Line Interface  #####
      # Disable analog receiver
      admwrb $devID 0x1030 11 0
      admwrb $devID 0x1030 15 0
      
      # Disable analog transmitter
      admwrb $devID 0x1036 15 0        
    }
  }  
          
  ########################################
  ##### Configure Line Interface #2  #####
  ########################################
  
  if {$intf == 1} {    
    if {$mode == 0} { 
      
      ##### Set LINE_MODE[2][2:1] to 00 #####