| Message ID | 1601376942-9648-2-git-send-email-sai.pavan.boddu@xilinx.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add Versal usb model | expand |
On Tue, Sep 29, 2020 at 04:25:40PM +0530, Sai Pavan Boddu wrote: > This module emulates control registers of versal usb2 controller, this is added > just to make guest happy. In general this module would control the phy-reset > signal from usb controller, data coherency of the transactions, signals > the host system errors received from controller. Hi Sai, This looks OK to me but it suffers from the updating IRQs from reset-cb issue. Look at hw/char/cadence_uart.c as an example on how to fix that. Thanks, Edgar > > Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com> > Signed-off-by: Vikram Garhwal <fnu.vikram@xilinx.com> > --- > hw/misc/meson.build | 1 + > hw/misc/xlnx-versal-usb2-ctrl-regs.c | 222 +++++++++++++++++++++++++++ > include/hw/misc/xlnx-versal-usb2-ctrl-regs.h | 45 ++++++ > 3 files changed, 268 insertions(+) > create mode 100644 hw/misc/xlnx-versal-usb2-ctrl-regs.c > create mode 100644 include/hw/misc/xlnx-versal-usb2-ctrl-regs.h > > diff --git a/hw/misc/meson.build b/hw/misc/meson.build > index 793d45b..b336dd1 100644 > --- a/hw/misc/meson.build > +++ b/hw/misc/meson.build > @@ -109,3 +109,4 @@ specific_ss.add(when: 'CONFIG_MIPS_CPS', if_true: files('mips_cmgcr.c', 'mips_cp > specific_ss.add(when: 'CONFIG_MIPS_ITU', if_true: files('mips_itu.c')) > > specific_ss.add(when: 'CONFIG_SBSA_REF', if_true: files('sbsa_ec.c')) > +specific_ss.add(when: 'CONFIG_XLNX_VERSAL', if_true: files('xlnx-versal-usb2-ctrl-regs.c')) > diff --git a/hw/misc/xlnx-versal-usb2-ctrl-regs.c b/hw/misc/xlnx-versal-usb2-ctrl-regs.c > new file mode 100644 > index 0000000..94fd7cf > --- /dev/null > +++ b/hw/misc/xlnx-versal-usb2-ctrl-regs.c > @@ -0,0 +1,222 @@ > +/* > + * QEMU model of the VersalUsb2CtrlRegs Register control/Status block for > + * USB2.0 controller > + * > + * This module should control phy_reset, permanent device plugs, frame length > + * time adjust & setting of coherency paths. None of which are emulated in > + * present model. > + * > + * Copyright (c) 2020 Xilinx Inc. Vikram Garhwal <fnu.vikram@xilinx.com> > + * > + * Permission is hereby granted, free of charge, to any person obtaining a copy > + * of this software and associated documentation files (the "Software"), to deal > + * in the Software without restriction, including without limitation the rights > + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell > + * copies of the Software, and to permit persons to whom the Software is > + * furnished to do so, subject to the following conditions: > + * > + * The above copyright notice and this permission notice shall be included in > + * all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL > + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, > + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN > + * THE SOFTWARE. > + */ > + > +#include "qemu/osdep.h" > +#include "hw/sysbus.h" > +#include "hw/irq.h" > +#include "hw/register.h" > +#include "qemu/bitops.h" > +#include "qemu/log.h" > +#include "qom/object.h" > +#include "migration/vmstate.h" > +#include "hw/misc/xlnx-versal-usb2-ctrl-regs.h" > + > +#ifndef XILINX_VERSAL_USB2_CTRL_REGS_ERR_DEBUG > +#define XILINX_VERSAL_USB2_CTRL_REGS_ERR_DEBUG 0 > +#endif > + > +REG32(BUS_FILTER, 0x30) > + FIELD(BUS_FILTER, BYPASS, 0, 4) > +REG32(PORT, 0x34) > + FIELD(PORT, HOST_SMI_BAR_WR, 4, 1) > + FIELD(PORT, HOST_SMI_PCI_CMD_REG_WR, 3, 1) > + FIELD(PORT, HOST_MSI_ENABLE, 2, 1) > + FIELD(PORT, PWR_CTRL_PRSNT, 1, 1) > + FIELD(PORT, HUB_PERM_ATTACH, 0, 1) > +REG32(JITTER_ADJUST, 0x38) > + FIELD(JITTER_ADJUST, FLADJ, 0, 6) > +REG32(BIGENDIAN, 0x40) > + FIELD(BIGENDIAN, ENDIAN_GS, 0, 1) > +REG32(COHERENCY, 0x44) > + FIELD(COHERENCY, USB_COHERENCY, 0, 1) > +REG32(XHC_BME, 0x48) > + FIELD(XHC_BME, XHC_BME, 0, 1) > +REG32(REG_CTRL, 0x60) > + FIELD(REG_CTRL, SLVERR_ENABLE, 0, 1) > +REG32(IR_STATUS, 0x64) > + FIELD(IR_STATUS, HOST_SYS_ERR, 1, 1) > + FIELD(IR_STATUS, ADDR_DEC_ERR, 0, 1) > +REG32(IR_MASK, 0x68) > + FIELD(IR_MASK, HOST_SYS_ERR, 1, 1) > + FIELD(IR_MASK, ADDR_DEC_ERR, 0, 1) > +REG32(IR_ENABLE, 0x6c) > + FIELD(IR_ENABLE, HOST_SYS_ERR, 1, 1) > + FIELD(IR_ENABLE, ADDR_DEC_ERR, 0, 1) > +REG32(IR_DISABLE, 0x70) > + FIELD(IR_DISABLE, HOST_SYS_ERR, 1, 1) > + FIELD(IR_DISABLE, ADDR_DEC_ERR, 0, 1) > +REG32(USB3, 0x78) > + > +static void ir_update_irq(VersalUsb2CtrlRegs *s) > +{ > + bool pending = s->regs[R_IR_STATUS] & ~s->regs[R_IR_MASK]; > + qemu_set_irq(s->irq_ir, pending); > +} > + > +static void ir_status_postw(RegisterInfo *reg, uint64_t val64) > +{ > + VersalUsb2CtrlRegs *s = XILINX_VERSAL_USB2_CTRL_REGS(reg->opaque); > + /* > + * TODO: This should also clear USBSTS.HSE field in USB XHCI register. > + * May be combine both the modules. > + */ > + ir_update_irq(s); > +} > + > +static uint64_t ir_enable_prew(RegisterInfo *reg, uint64_t val64) > +{ > + VersalUsb2CtrlRegs *s = XILINX_VERSAL_USB2_CTRL_REGS(reg->opaque); > + uint32_t val = val64; > + > + s->regs[R_IR_MASK] &= ~val; > + ir_update_irq(s); > + return 0; > +} > + > +static uint64_t ir_disable_prew(RegisterInfo *reg, uint64_t val64) > +{ > + VersalUsb2CtrlRegs *s = XILINX_VERSAL_USB2_CTRL_REGS(reg->opaque); > + uint32_t val = val64; > + > + s->regs[R_IR_MASK] |= val; > + ir_update_irq(s); > + return 0; > +} > + > +static const RegisterAccessInfo usb2_regs_regs_info[] = { > + { .name = "BUS_FILTER", .addr = A_BUS_FILTER, > + .rsvd = 0xfffffff0, > + },{ .name = "PORT", .addr = A_PORT, > + .rsvd = 0xffffffe0, > + },{ .name = "JITTER_ADJUST", .addr = A_JITTER_ADJUST, > + .reset = 0x20, > + .rsvd = 0xffffffc0, > + },{ .name = "BIGENDIAN", .addr = A_BIGENDIAN, > + .rsvd = 0xfffffffe, > + },{ .name = "COHERENCY", .addr = A_COHERENCY, > + .rsvd = 0xfffffffe, > + },{ .name = "XHC_BME", .addr = A_XHC_BME, > + .reset = 0x1, > + .rsvd = 0xfffffffe, > + },{ .name = "REG_CTRL", .addr = A_REG_CTRL, > + .rsvd = 0xfffffffe, > + },{ .name = "IR_STATUS", .addr = A_IR_STATUS, > + .rsvd = 0xfffffffc, > + .w1c = 0x3, > + .post_write = ir_status_postw, > + },{ .name = "IR_MASK", .addr = A_IR_MASK, > + .reset = 0x3, > + .rsvd = 0xfffffffc, > + .ro = 0x3, > + },{ .name = "IR_ENABLE", .addr = A_IR_ENABLE, > + .rsvd = 0xfffffffc, > + .pre_write = ir_enable_prew, > + },{ .name = "IR_DISABLE", .addr = A_IR_DISABLE, > + .rsvd = 0xfffffffc, > + .pre_write = ir_disable_prew, > + },{ .name = "USB3", .addr = A_USB3, > + } > +}; > + > +static void usb2_regs_reset(DeviceState *dev) > +{ > + VersalUsb2CtrlRegs *s = XILINX_VERSAL_USB2_CTRL_REGS(dev); > + unsigned int i; > + > + for (i = 0; i < ARRAY_SIZE(s->regs_info); ++i) { > + register_reset(&s->regs_info[i]); > + } > + > + ir_update_irq(s); > +} > + > +static const MemoryRegionOps usb2_regs_ops = { > + .read = register_read_memory, > + .write = register_write_memory, > + .endianness = DEVICE_LITTLE_ENDIAN, > + .valid = { > + .min_access_size = 4, > + .max_access_size = 4, > + }, > +}; > + > +static void usb2_regs_init(Object *obj) > +{ > + VersalUsb2CtrlRegs *s = XILINX_VERSAL_USB2_CTRL_REGS(obj); > + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); > + RegisterInfoArray *reg_array; > + > + memory_region_init(&s->iomem, obj, TYPE_XILINX_VERSAL_USB2_CTRL_REGS, > + USB2_REGS_R_MAX * 4); > + reg_array = > + register_init_block32(DEVICE(obj), usb2_regs_regs_info, > + ARRAY_SIZE(usb2_regs_regs_info), > + s->regs_info, s->regs, > + &usb2_regs_ops, > + XILINX_VERSAL_USB2_CTRL_REGS_ERR_DEBUG, > + USB2_REGS_R_MAX * 4); > + memory_region_add_subregion(&s->iomem, > + 0x0, > + ®_array->mem); > + sysbus_init_mmio(sbd, &s->iomem); > + sysbus_init_irq(sbd, &s->irq_ir); > +} > + > +static const VMStateDescription vmstate_usb2_regs = { > + .name = TYPE_XILINX_VERSAL_USB2_CTRL_REGS, > + .version_id = 1, > + .minimum_version_id = 1, > + .fields = (VMStateField[]) { > + VMSTATE_UINT32_ARRAY(regs, VersalUsb2CtrlRegs, USB2_REGS_R_MAX), > + VMSTATE_END_OF_LIST(), > + } > +}; > + > +static void usb2_regs_class_init(ObjectClass *klass, void *data) > +{ > + DeviceClass *dc = DEVICE_CLASS(klass); > + > + dc->reset = usb2_regs_reset; > + dc->vmsd = &vmstate_usb2_regs; > +} > + > +static const TypeInfo usb2_regs_info = { > + .name = TYPE_XILINX_VERSAL_USB2_CTRL_REGS, > + .parent = TYPE_SYS_BUS_DEVICE, > + .instance_size = sizeof(VersalUsb2CtrlRegs), > + .class_init = usb2_regs_class_init, > + .instance_init = usb2_regs_init, > +}; > + > +static void usb2_regs_register_types(void) > +{ > + type_register_static(&usb2_regs_info); > +} > + > +type_init(usb2_regs_register_types) > diff --git a/include/hw/misc/xlnx-versal-usb2-ctrl-regs.h b/include/hw/misc/xlnx-versal-usb2-ctrl-regs.h > new file mode 100644 > index 0000000..975a717 > --- /dev/null > +++ b/include/hw/misc/xlnx-versal-usb2-ctrl-regs.h > @@ -0,0 +1,45 @@ > +/* > + * QEMU model of the VersalUsb2CtrlRegs Register control/Status block for > + * USB2.0 controller > + * > + * Copyright (c) 2020 Xilinx Inc. Vikram Garhwal <fnu.vikram@xilinx.com> > + * > + * Permission is hereby granted, free of charge, to any person obtaining a copy > + * of this software and associated documentation files (the "Software"), to deal > + * in the Software without restriction, including without limitation the rights > + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell > + * copies of the Software, and to permit persons to whom the Software is > + * furnished to do so, subject to the following conditions: > + * > + * The above copyright notice and this permission notice shall be included in > + * all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL > + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, > + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN > + * THE SOFTWARE. > + */ > + > +#ifndef _XLNX_USB2_REGS_H_ > +#define _XLNX_USB2_REGS_H_ > + > +#define TYPE_XILINX_VERSAL_USB2_CTRL_REGS "xlnx.versal-usb2-ctrl-regs" > + > +#define XILINX_VERSAL_USB2_CTRL_REGS(obj) \ > + OBJECT_CHECK(VersalUsb2CtrlRegs, (obj), TYPE_XILINX_VERSAL_USB2_CTRL_REGS) > + > +#define USB2_REGS_R_MAX ((0x78 / 4) + 1) > + > +typedef struct VersalUsb2CtrlRegs { > + SysBusDevice parent_obj; > + MemoryRegion iomem; > + qemu_irq irq_ir; > + > + uint32_t regs[USB2_REGS_R_MAX]; > + RegisterInfo regs_info[USB2_REGS_R_MAX]; > +} VersalUsb2CtrlRegs; > + > +#endif > -- > 2.7.4 >
diff --git a/hw/misc/meson.build b/hw/misc/meson.build index 793d45b..b336dd1 100644 --- a/hw/misc/meson.build +++ b/hw/misc/meson.build @@ -109,3 +109,4 @@ specific_ss.add(when: 'CONFIG_MIPS_CPS', if_true: files('mips_cmgcr.c', 'mips_cp specific_ss.add(when: 'CONFIG_MIPS_ITU', if_true: files('mips_itu.c')) specific_ss.add(when: 'CONFIG_SBSA_REF', if_true: files('sbsa_ec.c')) +specific_ss.add(when: 'CONFIG_XLNX_VERSAL', if_true: files('xlnx-versal-usb2-ctrl-regs.c')) diff --git a/hw/misc/xlnx-versal-usb2-ctrl-regs.c b/hw/misc/xlnx-versal-usb2-ctrl-regs.c new file mode 100644 index 0000000..94fd7cf --- /dev/null +++ b/hw/misc/xlnx-versal-usb2-ctrl-regs.c @@ -0,0 +1,222 @@ +/* + * QEMU model of the VersalUsb2CtrlRegs Register control/Status block for + * USB2.0 controller + * + * This module should control phy_reset, permanent device plugs, frame length + * time adjust & setting of coherency paths. None of which are emulated in + * present model. + * + * Copyright (c) 2020 Xilinx Inc. Vikram Garhwal <fnu.vikram@xilinx.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu/osdep.h" +#include "hw/sysbus.h" +#include "hw/irq.h" +#include "hw/register.h" +#include "qemu/bitops.h" +#include "qemu/log.h" +#include "qom/object.h" +#include "migration/vmstate.h" +#include "hw/misc/xlnx-versal-usb2-ctrl-regs.h" + +#ifndef XILINX_VERSAL_USB2_CTRL_REGS_ERR_DEBUG +#define XILINX_VERSAL_USB2_CTRL_REGS_ERR_DEBUG 0 +#endif + +REG32(BUS_FILTER, 0x30) + FIELD(BUS_FILTER, BYPASS, 0, 4) +REG32(PORT, 0x34) + FIELD(PORT, HOST_SMI_BAR_WR, 4, 1) + FIELD(PORT, HOST_SMI_PCI_CMD_REG_WR, 3, 1) + FIELD(PORT, HOST_MSI_ENABLE, 2, 1) + FIELD(PORT, PWR_CTRL_PRSNT, 1, 1) + FIELD(PORT, HUB_PERM_ATTACH, 0, 1) +REG32(JITTER_ADJUST, 0x38) + FIELD(JITTER_ADJUST, FLADJ, 0, 6) +REG32(BIGENDIAN, 0x40) + FIELD(BIGENDIAN, ENDIAN_GS, 0, 1) +REG32(COHERENCY, 0x44) + FIELD(COHERENCY, USB_COHERENCY, 0, 1) +REG32(XHC_BME, 0x48) + FIELD(XHC_BME, XHC_BME, 0, 1) +REG32(REG_CTRL, 0x60) + FIELD(REG_CTRL, SLVERR_ENABLE, 0, 1) +REG32(IR_STATUS, 0x64) + FIELD(IR_STATUS, HOST_SYS_ERR, 1, 1) + FIELD(IR_STATUS, ADDR_DEC_ERR, 0, 1) +REG32(IR_MASK, 0x68) + FIELD(IR_MASK, HOST_SYS_ERR, 1, 1) + FIELD(IR_MASK, ADDR_DEC_ERR, 0, 1) +REG32(IR_ENABLE, 0x6c) + FIELD(IR_ENABLE, HOST_SYS_ERR, 1, 1) + FIELD(IR_ENABLE, ADDR_DEC_ERR, 0, 1) +REG32(IR_DISABLE, 0x70) + FIELD(IR_DISABLE, HOST_SYS_ERR, 1, 1) + FIELD(IR_DISABLE, ADDR_DEC_ERR, 0, 1) +REG32(USB3, 0x78) + +static void ir_update_irq(VersalUsb2CtrlRegs *s) +{ + bool pending = s->regs[R_IR_STATUS] & ~s->regs[R_IR_MASK]; + qemu_set_irq(s->irq_ir, pending); +} + +static void ir_status_postw(RegisterInfo *reg, uint64_t val64) +{ + VersalUsb2CtrlRegs *s = XILINX_VERSAL_USB2_CTRL_REGS(reg->opaque); + /* + * TODO: This should also clear USBSTS.HSE field in USB XHCI register. + * May be combine both the modules. + */ + ir_update_irq(s); +} + +static uint64_t ir_enable_prew(RegisterInfo *reg, uint64_t val64) +{ + VersalUsb2CtrlRegs *s = XILINX_VERSAL_USB2_CTRL_REGS(reg->opaque); + uint32_t val = val64; + + s->regs[R_IR_MASK] &= ~val; + ir_update_irq(s); + return 0; +} + +static uint64_t ir_disable_prew(RegisterInfo *reg, uint64_t val64) +{ + VersalUsb2CtrlRegs *s = XILINX_VERSAL_USB2_CTRL_REGS(reg->opaque); + uint32_t val = val64; + + s->regs[R_IR_MASK] |= val; + ir_update_irq(s); + return 0; +} + +static const RegisterAccessInfo usb2_regs_regs_info[] = { + { .name = "BUS_FILTER", .addr = A_BUS_FILTER, + .rsvd = 0xfffffff0, + },{ .name = "PORT", .addr = A_PORT, + .rsvd = 0xffffffe0, + },{ .name = "JITTER_ADJUST", .addr = A_JITTER_ADJUST, + .reset = 0x20, + .rsvd = 0xffffffc0, + },{ .name = "BIGENDIAN", .addr = A_BIGENDIAN, + .rsvd = 0xfffffffe, + },{ .name = "COHERENCY", .addr = A_COHERENCY, + .rsvd = 0xfffffffe, + },{ .name = "XHC_BME", .addr = A_XHC_BME, + .reset = 0x1, + .rsvd = 0xfffffffe, + },{ .name = "REG_CTRL", .addr = A_REG_CTRL, + .rsvd = 0xfffffffe, + },{ .name = "IR_STATUS", .addr = A_IR_STATUS, + .rsvd = 0xfffffffc, + .w1c = 0x3, + .post_write = ir_status_postw, + },{ .name = "IR_MASK", .addr = A_IR_MASK, + .reset = 0x3, + .rsvd = 0xfffffffc, + .ro = 0x3, + },{ .name = "IR_ENABLE", .addr = A_IR_ENABLE, + .rsvd = 0xfffffffc, + .pre_write = ir_enable_prew, + },{ .name = "IR_DISABLE", .addr = A_IR_DISABLE, + .rsvd = 0xfffffffc, + .pre_write = ir_disable_prew, + },{ .name = "USB3", .addr = A_USB3, + } +}; + +static void usb2_regs_reset(DeviceState *dev) +{ + VersalUsb2CtrlRegs *s = XILINX_VERSAL_USB2_CTRL_REGS(dev); + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(s->regs_info); ++i) { + register_reset(&s->regs_info[i]); + } + + ir_update_irq(s); +} + +static const MemoryRegionOps usb2_regs_ops = { + .read = register_read_memory, + .write = register_write_memory, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + }, +}; + +static void usb2_regs_init(Object *obj) +{ + VersalUsb2CtrlRegs *s = XILINX_VERSAL_USB2_CTRL_REGS(obj); + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); + RegisterInfoArray *reg_array; + + memory_region_init(&s->iomem, obj, TYPE_XILINX_VERSAL_USB2_CTRL_REGS, + USB2_REGS_R_MAX * 4); + reg_array = + register_init_block32(DEVICE(obj), usb2_regs_regs_info, + ARRAY_SIZE(usb2_regs_regs_info), + s->regs_info, s->regs, + &usb2_regs_ops, + XILINX_VERSAL_USB2_CTRL_REGS_ERR_DEBUG, + USB2_REGS_R_MAX * 4); + memory_region_add_subregion(&s->iomem, + 0x0, + ®_array->mem); + sysbus_init_mmio(sbd, &s->iomem); + sysbus_init_irq(sbd, &s->irq_ir); +} + +static const VMStateDescription vmstate_usb2_regs = { + .name = TYPE_XILINX_VERSAL_USB2_CTRL_REGS, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32_ARRAY(regs, VersalUsb2CtrlRegs, USB2_REGS_R_MAX), + VMSTATE_END_OF_LIST(), + } +}; + +static void usb2_regs_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->reset = usb2_regs_reset; + dc->vmsd = &vmstate_usb2_regs; +} + +static const TypeInfo usb2_regs_info = { + .name = TYPE_XILINX_VERSAL_USB2_CTRL_REGS, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(VersalUsb2CtrlRegs), + .class_init = usb2_regs_class_init, + .instance_init = usb2_regs_init, +}; + +static void usb2_regs_register_types(void) +{ + type_register_static(&usb2_regs_info); +} + +type_init(usb2_regs_register_types) diff --git a/include/hw/misc/xlnx-versal-usb2-ctrl-regs.h b/include/hw/misc/xlnx-versal-usb2-ctrl-regs.h new file mode 100644 index 0000000..975a717 --- /dev/null +++ b/include/hw/misc/xlnx-versal-usb2-ctrl-regs.h @@ -0,0 +1,45 @@ +/* + * QEMU model of the VersalUsb2CtrlRegs Register control/Status block for + * USB2.0 controller + * + * Copyright (c) 2020 Xilinx Inc. Vikram Garhwal <fnu.vikram@xilinx.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef _XLNX_USB2_REGS_H_ +#define _XLNX_USB2_REGS_H_ + +#define TYPE_XILINX_VERSAL_USB2_CTRL_REGS "xlnx.versal-usb2-ctrl-regs" + +#define XILINX_VERSAL_USB2_CTRL_REGS(obj) \ + OBJECT_CHECK(VersalUsb2CtrlRegs, (obj), TYPE_XILINX_VERSAL_USB2_CTRL_REGS) + +#define USB2_REGS_R_MAX ((0x78 / 4) + 1) + +typedef struct VersalUsb2CtrlRegs { + SysBusDevice parent_obj; + MemoryRegion iomem; + qemu_irq irq_ir; + + uint32_t regs[USB2_REGS_R_MAX]; + RegisterInfo regs_info[USB2_REGS_R_MAX]; +} VersalUsb2CtrlRegs; + +#endif