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Re: [PATCH v4 04/20] hw/arm/allwinner-h3: add USB host controller


From: Niek Linnenbank
Subject: Re: [PATCH v4 04/20] hw/arm/allwinner-h3: add USB host controller
Date: Sun, 2 Feb 2020 20:12:36 +0100



On Sun, Jan 19, 2020 at 7:37 PM Philippe Mathieu-Daudé <address@hidden> wrote:
On 1/19/20 1:50 AM, Niek Linnenbank wrote:
> The Allwinner H3 System on Chip contains multiple USB 2.0 bus
> connections which provide software access using the Enhanced
> Host Controller Interface (EHCI) and Open Host Controller
> Interface (OHCI) interfaces. This commit adds support for
> both interfaces in the Allwinner H3 System on Chip.
>
> Signed-off-by: Niek Linnenbank <address@hidden>
> Reviewed-by: Gerd Hoffmann <address@hidden>
> ---
>   hw/usb/hcd-ehci.h             |  1 +
>   include/hw/arm/allwinner-h3.h |  8 ++++++
>   hw/arm/allwinner-h3.c         | 52 ++++++++++++++++++++++++++++++++---
>   hw/usb/hcd-ehci-sysbus.c      | 17 ++++++++++++
>   4 files changed, 74 insertions(+), 4 deletions(-)
>
> diff --git a/hw/usb/hcd-ehci.h b/hw/usb/hcd-ehci.h
> index 0298238f0b..edb59311c4 100644
> --- a/hw/usb/hcd-ehci.h
> +++ b/hw/usb/hcd-ehci.h
> @@ -342,6 +342,7 @@ typedef struct EHCIPCIState {
>   #define TYPE_SYS_BUS_EHCI "sysbus-ehci-usb"
>   #define TYPE_PLATFORM_EHCI "platform-ehci-usb"
>   #define TYPE_EXYNOS4210_EHCI "exynos4210-ehci-usb"
> +#define TYPE_AW_H3_EHCI "aw-h3-ehci-usb"
>   #define TYPE_TEGRA2_EHCI "tegra2-ehci-usb"
>   #define TYPE_PPC4xx_EHCI "ppc4xx-ehci-usb"
>   #define TYPE_FUSBH200_EHCI "fusbh200-ehci-usb"
> diff --git a/include/hw/arm/allwinner-h3.h b/include/hw/arm/allwinner-h3.h
> index abdc20871a..4f4dcbcd17 100644
> --- a/include/hw/arm/allwinner-h3.h
> +++ b/include/hw/arm/allwinner-h3.h
> @@ -56,6 +56,14 @@ enum {
>       AW_H3_SRAM_A1,
>       AW_H3_SRAM_A2,
>       AW_H3_SRAM_C,
> +    AW_H3_EHCI0,
> +    AW_H3_OHCI0,
> +    AW_H3_EHCI1,
> +    AW_H3_OHCI1,
> +    AW_H3_EHCI2,
> +    AW_H3_OHCI2,
> +    AW_H3_EHCI3,
> +    AW_H3_OHCI3,
>       AW_H3_CCU,
>       AW_H3_PIT,
>       AW_H3_UART0,
> diff --git a/hw/arm/allwinner-h3.c b/hw/arm/allwinner-h3.c
> index 8df8e3e05e..f360625ee9 100644
> --- a/hw/arm/allwinner-h3.c
> +++ b/hw/arm/allwinner-h3.c
> @@ -28,6 +28,7 @@
>   #include "hw/sysbus.h"
>   #include "hw/char/serial.h"
>   #include "hw/misc/unimp.h"
> +#include "hw/usb/hcd-ehci.h"
>   #include "sysemu/sysemu.h"
>   #include "hw/arm/allwinner-h3.h"
>   
> @@ -36,6 +37,14 @@ const hwaddr allwinner_h3_memmap[] = {
>       [AW_H3_SRAM_A1]    = 0x00000000,
>       [AW_H3_SRAM_A2]    = 0x00044000,
>       [AW_H3_SRAM_C]     = 0x00010000,
> +    [AW_H3_EHCI0]      = 0x01c1a000,
> +    [AW_H3_OHCI0]      = 0x01c1a400,
> +    [AW_H3_EHCI1]      = 0x01c1b000,
> +    [AW_H3_OHCI1]      = 0x01c1b400,
> +    [AW_H3_EHCI2]      = 0x01c1c000,
> +    [AW_H3_OHCI2]      = 0x01c1c400,
> +    [AW_H3_EHCI3]      = 0x01c1d000,
> +    [AW_H3_OHCI3]      = 0x01c1d400,
>       [AW_H3_CCU]        = 0x01c20000,
>       [AW_H3_PIT]        = 0x01c20c00,
>       [AW_H3_UART0]      = 0x01c28000,
> @@ -73,10 +82,10 @@ struct AwH3Unimplemented {
>       { "msgbox",    0x01c17000, 4 * KiB },
>       { "spinlock",  0x01c18000, 4 * KiB },
>       { "usb0-otg",  0x01c19000, 4 * KiB },
> -    { "usb0",      0x01c1a000, 4 * KiB },
> -    { "usb1",      0x01c1b000, 4 * KiB },
> -    { "usb2",      0x01c1c000, 4 * KiB },
> -    { "usb3",      0x01c1d000, 4 * KiB },
> +    { "usb0-phy",  0x01c1a000, 4 * KiB },
> +    { "usb1-phy",  0x01c1b000, 4 * KiB },
> +    { "usb2-phy",  0x01c1c000, 4 * KiB },
> +    { "usb3-phy",  0x01c1d000, 4 * KiB },

As in v3 comment, this can be done in patch #1.

OK, I'll rename them in patch 1, so it won't show up here.
 

Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Tested-by: Philippe Mathieu-Daudé <address@hidden>

Thanks for reviewing and testing Philippe!
Regards,
Niek
 

>       { "smc",       0x01c1e000, 4 * KiB },
>       { "pio",       0x01c20800, 1 * KiB },
>       { "owa",       0x01c21000, 1 * KiB },
> @@ -144,6 +153,14 @@ enum {
>       AW_H3_GIC_SPI_UART3     =  3,
>       AW_H3_GIC_SPI_TIMER0    = 18,
>       AW_H3_GIC_SPI_TIMER1    = 19,
> +    AW_H3_GIC_SPI_EHCI0     = 72,
> +    AW_H3_GIC_SPI_OHCI0     = 73,
> +    AW_H3_GIC_SPI_EHCI1     = 74,
> +    AW_H3_GIC_SPI_OHCI1     = 75,
> +    AW_H3_GIC_SPI_EHCI2     = 76,
> +    AW_H3_GIC_SPI_OHCI2     = 77,
> +    AW_H3_GIC_SPI_EHCI3     = 78,
> +    AW_H3_GIC_SPI_OHCI3     = 79,
>   };
>   
>   /* Allwinner H3 general constants */
> @@ -284,6 +301,33 @@ static void allwinner_h3_realize(DeviceState *dev, Error **errp)
>       qdev_init_nofail(DEVICE(&s->ccu));
>       sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccu), 0, s->memmap[AW_H3_CCU]);
>   
> +    /* Universal Serial Bus */
> +    sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_EHCI0],
> +                         qdev_get_gpio_in(DEVICE(&s->gic),
> +                                          AW_H3_GIC_SPI_EHCI0));
> +    sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_EHCI1],
> +                         qdev_get_gpio_in(DEVICE(&s->gic),
> +                                          AW_H3_GIC_SPI_EHCI1));
> +    sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_EHCI2],
> +                         qdev_get_gpio_in(DEVICE(&s->gic),
> +                                          AW_H3_GIC_SPI_EHCI2));
> +    sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_EHCI3],
> +                         qdev_get_gpio_in(DEVICE(&s->gic),
> +                                          AW_H3_GIC_SPI_EHCI3));
> +
> +    sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_OHCI0],
> +                         qdev_get_gpio_in(DEVICE(&s->gic),
> +                                          AW_H3_GIC_SPI_OHCI0));
> +    sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_OHCI1],
> +                         qdev_get_gpio_in(DEVICE(&s->gic),
> +                                          AW_H3_GIC_SPI_OHCI1));
> +    sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_OHCI2],
> +                         qdev_get_gpio_in(DEVICE(&s->gic),
> +                                          AW_H3_GIC_SPI_OHCI2));
> +    sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_OHCI3],
> +                         qdev_get_gpio_in(DEVICE(&s->gic),
> +                                          AW_H3_GIC_SPI_OHCI3));
> +
>       /* UART0. For future clocktree API: All UARTS are connected to APB2_CLK. */
>       serial_mm_init(get_system_memory(), s->memmap[AW_H3_UART0], 2,
>                      qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_UART0),
> diff --git a/hw/usb/hcd-ehci-sysbus.c b/hw/usb/hcd-ehci-sysbus.c
> index 020211fd10..174c3446ef 100644
> --- a/hw/usb/hcd-ehci-sysbus.c
> +++ b/hw/usb/hcd-ehci-sysbus.c
> @@ -145,6 +145,22 @@ static const TypeInfo ehci_exynos4210_type_info = {
>       .class_init    = ehci_exynos4210_class_init,
>   };
>   
> +static void ehci_aw_h3_class_init(ObjectClass *oc, void *data)
> +{
> +    SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
> +    DeviceClass *dc = DEVICE_CLASS(oc);
> +
> +    sec->capsbase = 0x0;
> +    sec->opregbase = 0x10;
> +    set_bit(DEVICE_CATEGORY_USB, dc->categories);
> +}
> +
> +static const TypeInfo ehci_aw_h3_type_info = {
> +    .name          = TYPE_AW_H3_EHCI,
> +    .parent        = TYPE_SYS_BUS_EHCI,
> +    .class_init    = ehci_aw_h3_class_init,
> +};
> +
>   static void ehci_tegra2_class_init(ObjectClass *oc, void *data)
>   {
>       SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
> @@ -267,6 +283,7 @@ static void ehci_sysbus_register_types(void)
>       type_register_static(&ehci_platform_type_info);
>       type_register_static(&ehci_xlnx_type_info);
>       type_register_static(&ehci_exynos4210_type_info);
> +    type_register_static(&ehci_aw_h3_type_info);
>       type_register_static(&ehci_tegra2_type_info);
>       type_register_static(&ehci_ppc4xx_type_info);
>       type_register_static(&ehci_fusbh200_type_info);
>



--
Niek Linnenbank


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