Commit 4e3d8b4b authored by Kuo-Jung Su's avatar Kuo-Jung Su Committed by Gerd Hoffmann
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usb/hcd-ehci: Add Faraday FUSBH200 support 



Add Faraday FUSBH200 support, which is slightly different from EHCI spec.
(Or maybe simply a bad/wrong implementation...)

Signed-off-by: default avatarKuo-Jung Su <dantesu@faraday-tech.com>
Signed-off-by: default avatarAndreas Färber <afaerber@suse.de>
Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent cc8d6a84

hw/usb/hcd-ehci-sysbus.c

+75 −0
Original line number Diff line number Diff line
@@ -124,12 +124,87 @@ static const TypeInfo ehci_tegra2_type_info = { 
    .class_init    = ehci_tegra2_class_init,

};



/*

 * Faraday FUSBH200 USB 2.0 EHCI

 */



/**

 * FUSBH200EHCIRegs:

 * @FUSBH200_REG_EOF_ASTR: EOF/Async. Sleep Timer Register

 * @FUSBH200_REG_BMCSR: Bus Monitor Control/Status Register

 */

enum FUSBH200EHCIRegs {

    FUSBH200_REG_EOF_ASTR = 0x34,

    FUSBH200_REG_BMCSR    = 0x40,

};



static uint64_t fusbh200_ehci_read(void *opaque, hwaddr addr, unsigned size)

{

    EHCIState *s = opaque;

    hwaddr off = s->opregbase + s->portscbase + 4 * s->portnr + addr;



    switch (off) {

    case FUSBH200_REG_EOF_ASTR:

        return 0x00000041;

    case FUSBH200_REG_BMCSR:

        /* High-Speed, VBUS valid, interrupt level-high active */

        return (2 << 9) | (1 << 8) | (1 << 3);

    }



    return 0;

}



static void fusbh200_ehci_write(void *opaque, hwaddr addr, uint64_t val,

                                unsigned size)

{

}



static const MemoryRegionOps fusbh200_ehci_mmio_ops = {

    .read = fusbh200_ehci_read,

    .write = fusbh200_ehci_write,

    .valid.min_access_size = 4,

    .valid.max_access_size = 4,

    .endianness = DEVICE_LITTLE_ENDIAN,

};



static void fusbh200_ehci_init(Object *obj)

{

    EHCISysBusState *i = SYS_BUS_EHCI(obj);

    FUSBH200EHCIState *f = FUSBH200_EHCI(obj);

    EHCIState *s = &i->ehci;



    memory_region_init_io(&f->mem_vendor, &fusbh200_ehci_mmio_ops, s,

                          "fusbh200", 0x4c);

    memory_region_add_subregion(&s->mem,

                                s->opregbase + s->portscbase + 4 * s->portnr,

                                &f->mem_vendor);

}



static void fusbh200_ehci_class_init(ObjectClass *oc, void *data)

{

    SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);



    sec->capsbase = 0x0;

    sec->opregbase = 0x10;

    sec->portscbase = 0x20;

    sec->portnr = 1;

}



static const TypeInfo ehci_fusbh200_type_info = {

    .name          = TYPE_FUSBH200_EHCI,

    .parent        = TYPE_SYS_BUS_EHCI,

    .instance_size = sizeof(FUSBH200EHCIState),

    .instance_init = fusbh200_ehci_init,

    .class_init    = fusbh200_ehci_class_init,

};



static void ehci_sysbus_register_types(void)

{

    type_register_static(&ehci_type_info);

    type_register_static(&ehci_xlnx_type_info);

    type_register_static(&ehci_exynos4210_type_info);

    type_register_static(&ehci_tegra2_type_info);

    type_register_static(&ehci_fusbh200_type_info);

}



type_init(ehci_sysbus_register_types)

hw/usb/hcd-ehci.h

+12 −0
Original line number Diff line number Diff line
@@ -338,6 +338,7 @@ typedef struct EHCIPCIState { 
#define TYPE_SYS_BUS_EHCI "sysbus-ehci-usb"

#define TYPE_EXYNOS4210_EHCI "exynos4210-ehci-usb"

#define TYPE_TEGRA2_EHCI "tegra2-ehci-usb"

#define TYPE_FUSBH200_EHCI "fusbh200-ehci-usb"



#define SYS_BUS_EHCI(obj) \

    OBJECT_CHECK(EHCISysBusState, (obj), TYPE_SYS_BUS_EHCI)
@@ -365,4 +366,15 @@ typedef struct SysBusEHCIClass { 
    uint16_t portnr;

} SysBusEHCIClass;



#define FUSBH200_EHCI(obj) \

    OBJECT_CHECK(FUSBH200EHCIState, (obj), TYPE_FUSBH200_EHCI)



typedef struct FUSBH200EHCIState {

    /*< private >*/

    EHCISysBusState parent_obj;

    /*< public >*/



    MemoryRegion mem_vendor;

} FUSBH200EHCIState;



#endif