imx8ulp: Set DCNANO read QoS on NIC_LPAV to highest

To avoid DCNANO underrun issue on high loading test, set its
read Qos on NIC_LPAV to highest

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c
index 427b5e4..0cf4765 100644 (file)
--- a/arch/arm/mach-imx/imx8ulp/soc.c
+++ b/arch/arm/mach-imx/imx8ulp/soc.c
@@ -485,6 +485,9 @@ void lpav_configure(void)
        writel(0x1f, SIM_SEC_BASE_ADDR + 0x50);
        writel(0xffffffff, SIM_SEC_BASE_ADDR + 0x54);
        writel(0x003fffff, SIM_SEC_BASE_ADDR + 0x58);
+
+       /* Set read QoS of dcnano on LPAV NIC */
+       writel(0xf, 0x2e447100);
 }
 
 int arch_cpu_init(void)