diff options
Diffstat (limited to 'board/xilinx')
| -rw-r--r-- | board/xilinx/zynqmp/zynqmp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c index ecdae5e261..a67473f344 100644 --- a/board/xilinx/zynqmp/zynqmp.c +++ b/board/xilinx/zynqmp/zynqmp.c @@ -155,7 +155,10 @@ int board_early_init_r(void) { u32 val; - if (current_el() == 3) { + val = readl(&crlapb_base->timestamp_ref_ctrl); + val &= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT; + + if (current_el() == 3 && !val) { val = readl(&crlapb_base->timestamp_ref_ctrl); val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT; writel(val, &crlapb_base->timestamp_ref_ctrl); |