From: Ye Li ye.li@nxp.com
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 --- arch/arm/mach-imx/imx8ulp/soc.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c index 427b5e4117..0cf4765bd6 100644 --- 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)