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32 /*****************************************************************************/
35 * @file xscugic_selftest.c
36 * @addtogroup scugic_v3_1
39 * Contains diagnostic self-test functions for the XScuGic driver.
41 * MODIFICATION HISTORY:
43 * Ver Who Date Changes
44 * ----- ---- -------- -----------------------------------------------
45 * 1.00a drg 01/19/10 First release
46 * 3.00 kvn 02/13/15 Modified code for MISRA-C:2012 compliance.
50 ******************************************************************************/
52 /***************************** Include Files *********************************/
54 #include "xil_types.h"
55 #include "xil_assert.h"
58 /************************** Constant Definitions *****************************/
60 #define XSCUGIC_PCELL_ID 0xB105F00DU
62 /**************************** Type Definitions *******************************/
65 /***************** Macros (Inline Functions) Definitions *********************/
68 /************************** Function Prototypes ******************************/
70 /************************** Variable Definitions *****************************/
72 /*****************************************************************************/
75 * Run a self-test on the driver/device. This test reads the ID registers and
78 * @param InstancePtr is a pointer to the XScuGic instance.
82 * - XST_SUCCESS if self-test is successful.
83 * - XST_FAILURE if the self-test is not successful.
87 ******************************************************************************/
88 s32 XScuGic_SelfTest(XScuGic *InstancePtr)
95 * Assert the arguments
97 Xil_AssertNonvoid(InstancePtr != NULL);
98 Xil_AssertNonvoid(InstancePtr->IsReady == XIL_COMPONENT_IS_READY);
101 * Read the ID registers.
103 for(Index=0U; Index<=3U; Index++) {
104 RegValue1 |= XScuGic_DistReadReg(InstancePtr,
105 ((u32)XSCUGIC_PCELLID_OFFSET + (Index * 4U))) << (Index * 8U);
108 if(XSCUGIC_PCELL_ID != RegValue1){
109 Status = XST_FAILURE;
111 Status = XST_SUCCESS;