diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /Documentation/ABI/testing/sysfs-driver-zynqmp-fpga | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-driver-zynqmp-fpga')
-rw-r--r-- | Documentation/ABI/testing/sysfs-driver-zynqmp-fpga | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-zynqmp-fpga b/Documentation/ABI/testing/sysfs-driver-zynqmp-fpga new file mode 100644 index 0000000000..8f93d27b6d --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-zynqmp-fpga @@ -0,0 +1,73 @@ +What: /sys/bus/platform/drivers/zynqmp_fpga_manager/firmware:zynqmp-firmware:pcap/status +Date: February 2023 +KernelVersion: 6.4 +Contact: Nava kishore Manne <nava.kishore.manne@amd.com> +Description: (RO) Read fpga status. + Read returns a hexadecimal value that tells the current status + of the FPGA device. Each bit position in the status value is + described Below(see ug570 chapter 9). + https://docs.xilinx.com/v/u/en-US/ug570-ultrascale-configuration + + ====================== ============================================== + BIT(0) 0: No CRC error + 1: CRC error + + BIT(1) 0: Decryptor security not set + 1: Decryptor security set + + BIT(2) 0: MMCMs/PLLs are not locked + 1: MMCMs/PLLs are locked + + BIT(3) 0: DCI not matched + 1: DCI matched + + BIT(4) 0: Start-up sequence has not finished + 1: Start-up sequence has finished + + BIT(5) 0: All I/Os are placed in High-Z state + 1: All I/Os behave as configured + + BIT(6) 0: Flip-flops and block RAM are write disabled + 1: Flip-flops and block RAM are write enabled + + BIT(7) 0: GHIGH_B_STATUS asserted + 1: GHIGH_B_STATUS deasserted + + BIT(8) to BIT(10) Status of the mode pins + + BIT(11) 0: Initialization has not finished + 1: Initialization finished + + BIT(12) Value on INIT_B_PIN pin + + BIT(13) 0: Signal not released + 1: Signal released + + BIT(14) Value on DONE_PIN pin. + + BIT(15) 0: No IDCODE_ERROR + 1: IDCODE_ERROR + + BIT(16) 0: No SECURITY_ERROR + 1: SECURITY_ERROR + + BIT(17) System Monitor over-temperature if set + + BIT(18) to BIT(20) Start-up state machine (0 to 7) + Phase 0 = 000 + Phase 1 = 001 + Phase 2 = 011 + Phase 3 = 010 + Phase 4 = 110 + Phase 5 = 111 + Phase 6 = 101 + Phase 7 = 100 + + BIT(25) to BIT(26) Indicates the detected bus width + 00 = x1 + 01 = x8 + 10 = x16 + 11 = x32 + ====================== ============================================== + + The other bits are reserved. |