This function is used to read CRAM & NPI configuration. Primarily this function sends an IPI request to PLM to invoke SEM Get configuration command, waits for PLM to process the request and reads the response message.
Prototype
XStatus XSem_CmdGetConfig(XIpiPsu *IpiInst, XSemIpiResp *Resp);
Parameters
The following table lists the XSem_CmdGetConfig function arguments.
Table 1. XSem_CmdGetConfig Arguments
| Type |
Member |
Description |
| XIpiPsu * |
IpiInst |
Pointer to IPI driver instance
|
XSemIpiResp
* |
Resp |
Structure Pointer of IPI response
-
Resp->RespMsg1: Acknowledgment ID of Get Configuration(0x30309)
-
Resp->RespMsg2: CRAM Attribute register details
-
Bit [31:16]: Not Implemented
-
Bit [15:9]: Reserved
-
Bit [8]: Reserved
-
Bit [7]: Reserved
-
Bit [6:5]: Indicates when to start CRAM scan
-
00: Do not automatically start scan
-
01: Enable scan automatically after device configuration.
-
10: Reserved
-
11: Reserved
-
Bit [4]: Reserved
-
Bit [3]: Indicates HwECC/SwECC
-
0: Uses hardware calculated ECC.
-
1: Uses software calculated ECC that comes from tools and part of CDO
-
Bit [2]: Indicates Correctable error is to be corrected/not
-
0: Disables error correction capability
-
1: Enables error correction capability
-
Bit [1:0]: Define the mode of the scan (Enable/Disable scan)
-
00: Disable Configuration RAM scan
-
01: RESERVED
-
10: Enable Configuration RAM scan
-
11: RESERVED
-
Resp->RespMsg3: NPI Attribute register details
-
Bit [31:24]: Not implemented
-
Bit [23:18]: Reserved
-
Bit [17:8]: The scheduled time in milliseconds that the NPI scan will be periodically performed. Default Setting: 0x064 = 100ms
-
Bit [7:6]: Reserved
-
Bit [5:4]: Indicates when to start NPI scan
-
00: Do not automatically start scan
-
01: Enable scan automatically after device configuration.
-
10: Reserved
-
11: Reserved
-
Bit [3]: Reserved
-
Bit [2]: Indicates HwSHA/SwSHA 0: Use hardware calculated SHA. 1: Use software calculated SHA.
-
Bit [1:0]: Reserved
-
Resp->RespMsg4: Status of Get Configuration command
|
Returns
This API returns the success or failure.
-
XST_FAILURE: On Get Configuration failure
-
XST_SUCCESS: On Get Configuration success