#
#        IPMC:  Hardware Address,  Handle Switch,  IPMBuses
#       ----------------------------------------------------
#
#
#                                      Original Rev.  15-Apr-2015
#                                       Current Rev.  17-Jan-2017
#
#
#
#   This file holds all of the nets for the IPMC:
#
#     - Hardware Slot Address from the Zone 1 Connector.
#
#     - The Handle Switch for card hot-swap.
#
#     - The "A" and "B" IPMBus connections through the
#       Zone 1 Connector to the Shelf Manager.
#
#     - The Management I2C Bus from the IPMC to the
#       FRU&SDR EEPROM and to the Power Entry Module.
#
#     - All of the associated connections to the
#       M24256 I2C Serial EEPROM  the FRU&SDR EEPROM.
#
#


#
#   Slot Hardware Address Lines
#

NET  'HW_ADRS_0'   P10-5    IPMC-115
NET  'HW_ADRS_1'   P10-6    IPMC-237
NET  'HW_ADRS_2'   P10-7    IPMC-116
NET  'HW_ADRS_3'   P10-8    IPMC-238

NET  'HW_ADRS_4'   P10-9    IPMC-117
NET  'HW_ADRS_5'   P10-10   IPMC-239
NET  'HW_ADRS_6'   P10-11   IPMC-118
NET  'HW_ADRS_7'   P10-12   IPMC-240


#
#   And the Filters on the Hardware Addres Signals.
#

NET  'HW_ADRS_0'   C1551-1   R1551-2
NET  'HW_ADRS_1'   C1552-2   R1552-1
NET  'HW_ADRS_2'   C1553-1   R1553-2
NET  'HW_ADRS_3'   C1554-2   R1554-1

NET  'HW_ADRS_4'   C1555-1   R1555-2
NET  'HW_ADRS_5'   C1556-2   R1556-1
NET  'HW_ADRS_6'   C1557-1   R1557-2
NET  'HW_ADRS_7'   C1558-2   R1558-1


NET  'GROUND'      C1551-2   C1552-1
NET  'GROUND'      C1553-2   C1554-1
NET  'GROUND'      C1555-2   C1556-1
NET  'GROUND'      C1557-2   C1558-1


NET  'IPMC_3V3'    R1551-1   R1552-2
NET  'IPMC_3V3'    R1553-1   R1554-2
NET  'IPMC_3V3'    R1555-1   R1556-2
NET  'IPMC_3V3'    R1557-1   R1558-2





#
#        Handle Switch Connection to the IPMC
#
#   On 5-Dec-16 the pcb mount handle switch scheme was
#   abandon in favor of the Elma type of front panel with
#   the switch in the handle and the connection to the pcb
#   made with discrete wire runs to a Molex connector.
#
#   I will use a Molex  53047-0310  connector on the Hub pcb.
#
#   This mates with the Molex  51021-0300  on the Elma switch
#   assembly.
#
#   There is still the issue of the required polarity of the
#   switch to work with the supplied IPMC module  and  the
#   major problem that the people who made the IPMC want you
#   to run the switch on the Hot side of the line - a stupid
#   dangerous setup.   R961 is to limit worst case current
#   from IPMC_3V3_SRC into the handle switch circuit.
#
#   Because I do not understand the switch polarity I'm mounting
#   it in 3 vias so that I can rotate it by 180 deg as necassary.
#
#   The assembly house will not install this connector.
#   This is a through-hole part that we can install during
#   MSU Final Assembly.
#

NET  'IPMC_3V3_SRC'      R961-1

NET  'Handle_SW_SRC'     R961-2       Wterm72-1

NET  'Handle_Switch'     Wterm71-1    IPMC-224

NET  'Handle_Switch'     C1559-2      R1559-1

NET  'GROUND'            C1559-1      R1559-2

NET  'No_Conn_Wterm63'   Wterm73-1





#
#   IPMBus connections:  Zone 1 Connector to IPMC
#

NET  'IPMBus_A_SCL'    P10-13    IPMC-120
NET  'IPMBus_A_SDA'    P10-14    IPMC-121

NET  'IPMBus_B_SCL'    P10-15    IPMC-242
NET  'IPMBus_B_SDA'    P10-16    IPMC-243





#
#   The +12V Isolated Power Supply Module
#   Enable Signal  from the IPMC
#
#   Note that jumpers JMP5 and JMP6 are used to control
#   whether the IPMC controls the power supply startup
#   on the Hub Module in the normal way  or  whether the
#   enable signal is always given to the Isolated +12V
#   supply and to the Hub's power supply control logic.
#
#    - Install JMP5 for normal IPMC control of startup.
#
#    - Install JMP6 for immediate startup of the Hub
#      i.e. ignore the IPMC's Payload Power Control.
#

NET  'IPMC_Enable_12V'    IPMC-225   JMP5-1

NET  'Hub_Power_Enable'   JMP6-2     JMP5-2   R956-2

NET  'IPMC_3V3'           JMP6-1

NET  'Enable_LED_Anode'                       R956-1





#
#   The  Management I2C Bus  and its connection to the
#   FRU&SDR EEPROM  and to the  Power Entry Module.
#
#   Note that the actual net connections to the
#   Power Entry Module are defined in the nets file
#   atca_power_entry_nets
#

NET  'IPMC_MGT_I2C_SDA'   IPMC-221   U41-5

NET  'IPMC_MGT_I2C_SCK'   IPMC-220   U41-6





#
#   Associated connections to the  FRU&SDR  EEPROM
#   and its bypass capacitor.

NET  'IPMC_3V3'   U41-8   C1570-1

NET  'GROUND'     U41-4   C1570-2

NET  'GROUND'     U41-1   U41-2   U41-3

NET  'No_Conn_U41_pin_WC'         U41-7