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32 /*****************************************************************************/
35 * @file xscugic_selftest.c
37 * Contains diagnostic self-test functions for the XScuGic driver.
39 * MODIFICATION HISTORY:
41 * Ver Who Date Changes
42 * ----- ---- -------- -----------------------------------------------
43 * 1.00a drg 01/19/10 First release
44 * 3.00 kvn 02/13/15 Modified code for MISRA-C:2012 compliance.
48 ******************************************************************************/
50 /***************************** Include Files *********************************/
52 #include "xil_types.h"
53 #include "xil_assert.h"
56 /************************** Constant Definitions *****************************/
58 #define XSCUGIC_PCELL_ID 0xB105F00DU
60 /**************************** Type Definitions *******************************/
63 /***************** Macros (Inline Functions) Definitions *********************/
66 /************************** Function Prototypes ******************************/
68 /************************** Variable Definitions *****************************/
70 /*****************************************************************************/
73 * Run a self-test on the driver/device. This test reads the ID registers and
76 * @param InstancePtr is a pointer to the XScuGic instance.
80 * - XST_SUCCESS if self-test is successful.
81 * - XST_FAILURE if the self-test is not successful.
85 ******************************************************************************/
86 s32 XScuGic_SelfTest(XScuGic *InstancePtr)
93 * Assert the arguments
95 Xil_AssertNonvoid(InstancePtr != NULL);
96 Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
99 * Read the ID registers.
101 for(Index=0U; Index<=3U; Index++) {
102 RegValue1 |= XScuGic_DistReadReg(InstancePtr,
103 ((u32)XSCUGIC_PCELLID_OFFSET + (Index * 4U))) << (Index * 8U);
106 if(XSCUGIC_PCELL_ID != RegValue1){
107 Status = XST_FAILURE;
109 Status = XST_SUCCESS;