Documentation/ABI/testing/sysfs-driver-zynqmp-fpga

   1 What:           /sys/bus/platform/drivers/zynqmp_fpga_manager/firmware:zynqmp-firmware:pcap/status
   2 Date:           February 2023
   3 KernelVersion:  6.4
   4 Contact:        Nava kishore Manne <nava.kishore.manne@amd.com>
   5 Description:    (RO) Read fpga status.
   6                 Read returns a hexadecimal value that tells the current status
   7                 of the FPGA device. Each bit position in the status value is
   8                 described Below(see ug570 chapter 9).
   9                 https://docs.xilinx.com/v/u/en-US/ug570-ultrascale-configuration
  10
  11                 ======================  ==============================================
  12                 BIT(0)                  0: No CRC error
  13                                         1: CRC error
  14
  15                 BIT(1)                  0: Decryptor security not set
  16                                         1: Decryptor security set
  17
  18                 BIT(2)                  0: MMCMs/PLLs are not locked
  19                                         1: MMCMs/PLLs are locked
  20
  21                 BIT(3)                  0: DCI not matched
  22                                         1: DCI matched
  23
  24                 BIT(4)                  0: Start-up sequence has not finished
  25                                         1: Start-up sequence has finished
  26
  27                 BIT(5)                  0: All I/Os are placed in High-Z state
  28                                         1: All I/Os behave as configured
  29
  30                 BIT(6)                  0: Flip-flops and block RAM are write disabled
  31                                         1: Flip-flops and block RAM are write enabled
  32
  33                 BIT(7)                  0: GHIGH_B_STATUS asserted
  34                                         1: GHIGH_B_STATUS deasserted
  35
  36                 BIT(8) to BIT(10)       Status of the mode pins
  37
  38                 BIT(11)                 0: Initialization has not finished
  39                                         1: Initialization finished
  40
  41                 BIT(12)                 Value on INIT_B_PIN pin
  42
  43                 BIT(13)                 0: Signal not released
  44                                         1: Signal released
  45
  46                 BIT(14)                 Value on DONE_PIN pin.
  47
  48                 BIT(15)                 0: No IDCODE_ERROR
  49                                         1: IDCODE_ERROR
  50
  51                 BIT(16)                 0: No SECURITY_ERROR
  52                                         1: SECURITY_ERROR
  53
  54                 BIT(17)                 System Monitor over-temperature if set
  55
  56                 BIT(18) to BIT(20)      Start-up state machine (0 to 7)
  57                                         Phase 0 = 000
  58                                         Phase 1 = 001
  59                                         Phase 2 = 011
  60                                         Phase 3 = 010
  61                                         Phase 4 = 110
  62                                         Phase 5 = 111
  63                                         Phase 6 = 101
  64                                         Phase 7 = 100
  65
  66                 BIT(25) to BIT(26)      Indicates the detected bus width
  67                                         00 = x1
  68                                         01 = x8
  69                                         10 = x16
  70                                         11 = x32
  71                 ======================  ==============================================
  72
  73                 The other bits are reserved.