To resolve USB camera bandwidth issue, the patch sets recommended AQoS setting from IC team value for peripheral and only on imx6qp.
Signed-off-by: Peng Fan <[email protected]> Cc: Stefano Babic <[email protected]> Cc: Fabio Estevam <[email protected]> --- arch/arm/mach-imx/mx6/soc.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c index 9c3c8dd..e2ecc3a 100644 --- a/arch/arm/mach-imx/mx6/soc.c +++ b/arch/arm/mach-imx/mx6/soc.c @@ -362,6 +362,9 @@ static void set_preclk_from_osc(void) int arch_cpu_init(void) { + struct sched_ctrl_regs *regs = + (struct sched_ctrl_regs *)MF2_SCHED_BASE_ADDR; + init_aips(); /* Need to clear MMDC_CHx_MASK to make warm reset work. */ @@ -431,6 +434,14 @@ int arch_cpu_init(void) imx_set_wdog_powerdown(false); /* Disable PDE bit of WMCR register */ + /* + * To resolve USB camera bandwidth issue, the patch sets + * recommended AQoS setting from IC team value for peripheral + * and only on imx6qp. + */ + if (is_mx6dqp()) + writel(0x80000201, ®s->aqos[AQOS_FAST1FARIC_ID].priority); + init_src(); return 0; -- 2.6.2 _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
