diff options
Diffstat (limited to 'board/xilinx/zynqmp/zynqmp.c')
| -rw-r--r-- | board/xilinx/zynqmp/zynqmp.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c index 2cf47125d4..63c332f03d 100644 --- a/board/xilinx/zynqmp/zynqmp.c +++ b/board/xilinx/zynqmp/zynqmp.c @@ -9,6 +9,7 @@ #include <netdev.h> #include <ahci.h> #include <scsi.h> +#include <asm/arch/clk.h> #include <asm/arch/hardware.h> #include <asm/arch/sys_proto.h> #include <asm/io.h> @@ -28,10 +29,18 @@ int board_early_init_r(void) { u32 val; - val = readl(&crlapb_base->timestamp_ref_ctrl); - val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT; - writel(val, &crlapb_base->timestamp_ref_ctrl); - + if (current_el() == 3) { + val = readl(&crlapb_base->timestamp_ref_ctrl); + val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT; + writel(val, &crlapb_base->timestamp_ref_ctrl); + + /* Program freq register in System counter */ + writel(zynqmp_get_system_timer_freq(), + &iou_scntr_secure->base_frequency_id_register); + /* And enable system counter */ + 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 | |