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>

diff --git a/arch/arm/include/asm/arch-zynqmp/hardware.h b/arch/arm/include/asm/arch-zynqmp/hardware.h
index a87bfa9b7025a0281dddda253bc8cd1411f5681d..1530a38df1818cdb6b278c7ca847aa2a85228586 100644 (file)
--- a/arch/arm/include/asm/arch-zynqmp/hardware.h
+++ b/arch/arm/include/asm/arch-zynqmp/hardware.h
@@ -45,18 +45,9 @@ 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];

diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
index 09cf326b753866a225a6c8b9356d98b3cd7e7f74..4a8dce286d899008b0a21a5e3e73b14f36841da8 100644 (file)
--- a/board/xilinx/zynqmp/zynqmp.c
+++ b/board/xilinx/zynqmp/zynqmp.c
@@ -163,12 +163,6 @@ 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;
 }