Re: [PATCH v1 03/11] hw: allwinner-r40: Complete uart devices

[Strahinja Jankovic <strahinjapjankovic@gmail.com>]

Hi,

On Tue, Mar 21, 2023 at 11:25 AM <qianfanguijin@163.com> wrote:
>
> From: qianfan Zhao <qianfanguijin@163.com>
>
> R40 has eight UARTs, support both 16450 and 16550 compatible modes.
>
> Signed-off-by: qianfan Zhao <qianfanguijin@163.com>
> ---
>  hw/arm/allwinner-r40.c         | 32 ++++++++++++++++++++++++++++++++
>  include/hw/arm/allwinner-r40.h |  7 +++++++
>  2 files changed, 39 insertions(+)
>
> diff --git a/hw/arm/allwinner-r40.c b/hw/arm/allwinner-r40.c
> index 3517682aed..fde01783b1 100644
> --- a/hw/arm/allwinner-r40.c
> +++ b/hw/arm/allwinner-r40.c
> @@ -45,6 +45,13 @@ const hwaddr allwinner_r40_memmap[] = {
>      [AW_R40_DEV_CCU]        = 0x01c20000,
>      [AW_R40_DEV_PIT]        = 0x01c20c00,
>      [AW_R40_DEV_UART0]      = 0x01c28000,
> +    [AW_R40_DEV_UART1]      = 0x01c28400,
> +    [AW_R40_DEV_UART2]      = 0x01c28800,
> +    [AW_R40_DEV_UART3]      = 0x01c28c00,
> +    [AW_R40_DEV_UART4]      = 0x01c29000,
> +    [AW_R40_DEV_UART5]      = 0x01c29400,
> +    [AW_R40_DEV_UART6]      = 0x01c29800,
> +    [AW_R40_DEV_UART7]      = 0x01c29c00,
>      [AW_R40_DEV_GIC_DIST]   = 0x01c81000,
>      [AW_R40_DEV_GIC_CPU]    = 0x01c82000,
>      [AW_R40_DEV_GIC_HYP]    = 0x01c84000,
> @@ -160,6 +167,10 @@ enum {
>      AW_R40_GIC_SPI_UART1     =  2,
>      AW_R40_GIC_SPI_UART2     =  3,
>      AW_R40_GIC_SPI_UART3     =  4,
> +    AW_R40_GIC_SPI_UART4     = 17,
> +    AW_R40_GIC_SPI_UART5     = 18,
> +    AW_R40_GIC_SPI_UART6     = 19,
> +    AW_R40_GIC_SPI_UART7     = 20,
>      AW_R40_GIC_SPI_TIMER0    = 22,
>      AW_R40_GIC_SPI_TIMER1    = 23,
>      AW_R40_GIC_SPI_MMC0      = 32,
> @@ -396,6 +407,27 @@ static void allwinner_r40_realize(DeviceState *dev, Error **errp)
>      serial_mm_init(get_system_memory(), s->memmap[AW_R40_DEV_UART0], 2,
>                     qdev_get_gpio_in(DEVICE(&s->gic), AW_R40_GIC_SPI_UART0),
>                     115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
> +    serial_mm_init(get_system_memory(), s->memmap[AW_R40_DEV_UART1], 2,
> +                   qdev_get_gpio_in(DEVICE(&s->gic), AW_R40_GIC_SPI_UART1),
> +                   115200, serial_hd(1), DEVICE_NATIVE_ENDIAN);
> +    serial_mm_init(get_system_memory(), s->memmap[AW_R40_DEV_UART2], 2,
> +                   qdev_get_gpio_in(DEVICE(&s->gic), AW_R40_GIC_SPI_UART2),
> +                   115200, serial_hd(2), DEVICE_NATIVE_ENDIAN);
> +    serial_mm_init(get_system_memory(), s->memmap[AW_R40_DEV_UART3], 2,
> +                   qdev_get_gpio_in(DEVICE(&s->gic), AW_R40_GIC_SPI_UART3),
> +                   115200, serial_hd(3), DEVICE_NATIVE_ENDIAN);
> +    serial_mm_init(get_system_memory(), s->memmap[AW_R40_DEV_UART4], 2,
> +                   qdev_get_gpio_in(DEVICE(&s->gic), AW_R40_GIC_SPI_UART4),
> +                   115200, serial_hd(4), DEVICE_NATIVE_ENDIAN);
> +    serial_mm_init(get_system_memory(), s->memmap[AW_R40_DEV_UART5], 2,
> +                   qdev_get_gpio_in(DEVICE(&s->gic), AW_R40_GIC_SPI_UART5),
> +                   115200, serial_hd(5), DEVICE_NATIVE_ENDIAN);
> +    serial_mm_init(get_system_memory(), s->memmap[AW_R40_DEV_UART6], 2,
> +                   qdev_get_gpio_in(DEVICE(&s->gic), AW_R40_GIC_SPI_UART6),
> +                   115200, serial_hd(6), DEVICE_NATIVE_ENDIAN);
> +    serial_mm_init(get_system_memory(), s->memmap[AW_R40_DEV_UART7], 2,
> +                   qdev_get_gpio_in(DEVICE(&s->gic), AW_R40_GIC_SPI_UART7),
> +                   115200, serial_hd(7), DEVICE_NATIVE_ENDIAN);
>
>      /* Unimplemented devices */
>      for (i = 0; i < ARRAY_SIZE(r40_unimplemented); i++) {
> diff --git a/include/hw/arm/allwinner-r40.h b/include/hw/arm/allwinner-r40.h
> index b355af2c4f..dfb5eb609c 100644
> --- a/include/hw/arm/allwinner-r40.h
> +++ b/include/hw/arm/allwinner-r40.h
> @@ -41,6 +41,13 @@ enum {
>      AW_R40_DEV_CCU,
>      AW_R40_DEV_PIT,
>      AW_R40_DEV_UART0,
> +    AW_R40_DEV_UART1,
> +    AW_R40_DEV_UART2,
> +    AW_R40_DEV_UART3,
> +    AW_R40_DEV_UART4,
> +    AW_R40_DEV_UART5,
> +    AW_R40_DEV_UART6,
> +    AW_R40_DEV_UART7,
>      AW_R40_DEV_GIC_DIST,
>      AW_R40_DEV_GIC_CPU,
>      AW_R40_DEV_GIC_HYP,
> --
> 2.25.1
>

Reviewed-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>


Best regards,
Strahinja