[U-Boot] [PATCH] miniarm-rk3288: set isp/vop qos priority level

[Simon Glass]

Hi Nickey,

On 7 December 2016 at 01:16, Nickey Yang <nickey.yang at rock-chips.com> wrote:
> isp-camera image will be broken when enter dual screen display mode.
> We set isp qos high to solve this problem.
>
> Signed-off-by: Nickey Yang <nickey.yang at rock-chips.com>
> ---
>
>  board/rockchip/miniarm_rk3288/miniarm-rk3288.c | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
>
> diff --git a/board/rockchip/miniarm_rk3288/miniarm-rk3288.c b/board/rockchip/miniarm_rk3288/miniarm-rk3288.c
> index 79541a3..7b90be5 100644
> --- a/board/rockchip/miniarm_rk3288/miniarm-rk3288.c
> +++ b/board/rockchip/miniarm_rk3288/miniarm-rk3288.c
> @@ -5,3 +5,26 @@
>   */
>
>  #include <common.h>
> +#include <asm/io.h>
> +
> +/* cpu axi qos priority */
> +#define CPU_AXI_QOS_PRIORITY_LEVEL(h, l) \
> +       ((((h) & 3) << 2) | ((l) & 3))
> +
> +int rk_board_late_init(void)
> +{
> +       /* read latency configure */
> +       writel(0x34, 0xffac0000 + 0x14);
> +       writel(0x34, 0xffac0080 + 0x14);

What is this register? Can you please define a struct for it in a
header file in arch/arm/include/asm/arch-rockchip/ ?

> +
> +       /* set isp qos to highest priority */
> +       writel(CPU_AXI_QOS_PRIORITY_LEVEL(2, 2), 0xffad0908);
> +       writel(CPU_AXI_QOS_PRIORITY_LEVEL(2, 2), 0xffad0108);
> +       writel(CPU_AXI_QOS_PRIORITY_LEVEL(2, 2), 0xffad0188);
> +
> +       /* set vop qos to highest priority */
> +       writel(CPU_AXI_QOS_PRIORITY_LEVEL(2, 2), 0xffad0008);
> +       writel(CPU_AXI_QOS_PRIORITY_LEVEL(2, 2), 0xffad0408);
> +
> +       return 0;
> +}
> --
> 1.9.1
>
>

Regards,
Simon