ARM64: zynqmp: Fix USB ulpi phy sequence

It should be enough to call low(5us)->high pulse for all cases
to provide proper reset. There is no need to call high->low->high.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/arch/arm/cpu/armv8/zynqmp/spl.c b/arch/arm/cpu/armv8/zynqmp/spl.c
index 165ae0c958d7a657aa63821847463353f11fed4b..ab8b30d9cd88dc2e5e3a4db800d4f69d6bb3f971 100644 (file)
--- a/arch/arm/cpu/armv8/zynqmp/spl.c
+++ b/arch/arm/cpu/armv8/zynqmp/spl.c
@@ -37,10 +37,6 @@ void board_init_f(ulong dummy)
 
 static void ps_mode_reset(ulong mode)
 {
-       writel(mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_VAL_SHIFT |
-              mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT,
-              &crlapb_base->boot_pin_ctrl);
-       udelay(1);
        writel(mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT,
               &crlapb_base->boot_pin_ctrl);
        udelay(5);