arm64: zynqmp: Dont write to system timestamp generator

Remove incorrect code of writing to system timestamp
counter registers. This register writes does nothing
and can be removed.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm/include/asm/arch-zynqmp/hardware.h

@@ -48,18 +48,9 @@ struct crlapb_regs {
 #define crlapb_base ((struct crlapb_regs *)ZYNQMP_CRL_APB_BASEADDR)
 
 #define ZYNQMP_IOU_SCNTR_SECURE	0xFF260000
-#define ZYNQMP_IOU_SCNTR	0xFF250000
 #define ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN	0x1
 #define ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG	0x2
 
-struct iou_scntr {
-	u32 counter_control_register;
-	u32 reserved0[7];
-	u32 base_frequency_id_register;
-};
-
-#define iou_scntr ((struct iou_scntr *)ZYNQMP_IOU_SCNTR)
-
 struct iou_scntr_secure {
 	u32 counter_control_register;
 	u32 reserved0[7];

board/xilinx/zynqmp/zynqmp.c

@@ -170,12 +170,6 @@ int board_early_init_r(void)
 		writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
 		       &iou_scntr_secure->counter_control_register);
 	}
-	/* Program freq register in System counter and enable system counter */
-	writel(gd->cpu_clk, &iou_scntr->base_frequency_id_register);
-	writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG |
-	       ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
-	       &iou_scntr->counter_control_register);
-
 	return 0;
 }