Hi Edgar, > -----Original Message----- > From: Edgar E. Iglesias <edgar.igles...@xilinx.com> > Sent: Saturday, September 26, 2020 12:10 AM > To: Sai Pavan Boddu <saip...@xilinx.com> > Cc: Peter Maydell <peter.mayd...@linaro.org>; Markus Armbruster > <arm...@redhat.com>; 'Marc-André Lureau' > <marcandre.lur...@redhat.com>; Paolo Bonzini <pbonz...@redhat.com>; > Gerd Hoffmann <kra...@redhat.com>; Edgar Iglesias <edg...@xilinx.com>; > Francisco Eduardo Iglesias <figle...@xilinx.com>; qemu-devel@nongnu.org; > Alistair Francis <alistair.fran...@wdc.com>; Eduardo Habkost > <ehabk...@redhat.com>; Ying Fang <fangyi...@huawei.com>; 'Philippe > Mathieu-Daudé' <phi...@redhat.com>; Vikram Garhwal > <f...@xilinx.com>; Paul Zimmerman <pauld...@gmail.com>; Sai Pavan > Boddu <saip...@xilinx.com> > Subject: Re: [PATCH v10 7/7] Versal: Connect DWC3 controller with virt-versal > > On Thu, Sep 24, 2020 at 07:50:56PM +0530, Sai Pavan Boddu wrote: > > From: Vikram Garhwal <fnu.vik...@xilinx.com> > > > > Connect dwc3 controller and usb2-reg module to xlnx-versal SOC, its > > placed in iou of lpd domain and configure it as dual port host > > controller. Add the respective guest dts nodes for "xlnx-versal-virt" > machine. > > Hi Sai, > > One minor comment inline. > > And a question, could you please post an example command-line for this? [Sai Pavan Boddu] Below is the command to plug a usb storage device on qemu command line
-device usb-storage,bus=usb-bus.0,port=1,drive=usb-stick -drive file=./usb-stick.img,id=usb-stick > > > > > > Signed-off-by: Vikram Garhwal <fnu.vik...@xilinx.com> > > Signed-off-by: Sai Pavan Boddu <sai.pavan.bo...@xilinx.com> > > --- > > hw/arm/xlnx-versal-virt.c | 58 > ++++++++++++++++++++++++++++++++++++++++++++ > > hw/arm/xlnx-versal.c | 34 ++++++++++++++++++++++++++ > > include/hw/arm/xlnx-versal.h | 14 +++++++++++ > > 3 files changed, 106 insertions(+) > > > > diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c > > index 03e2320..f0ac5ba 100644 > > --- a/hw/arm/xlnx-versal-virt.c > > +++ b/hw/arm/xlnx-versal-virt.c > > @@ -39,6 +39,8 @@ struct VersalVirt { > > uint32_t ethernet_phy[2]; > > uint32_t clk_125Mhz; > > uint32_t clk_25Mhz; > > + uint32_t usb; > > + uint32_t dwc; > > } phandle; > > struct arm_boot_info binfo; > > > > @@ -66,6 +68,8 @@ static void fdt_create(VersalVirt *s) > > s->phandle.clk_25Mhz = qemu_fdt_alloc_phandle(s->fdt); > > s->phandle.clk_125Mhz = qemu_fdt_alloc_phandle(s->fdt); > > > > + s->phandle.usb = qemu_fdt_alloc_phandle(s->fdt); > > + s->phandle.dwc = qemu_fdt_alloc_phandle(s->fdt); > > /* Create /chosen node for load_dtb. */ > > qemu_fdt_add_subnode(s->fdt, "/chosen"); > > > > @@ -148,6 +152,59 @@ static void fdt_add_timer_nodes(VersalVirt *s) > > compat, sizeof(compat)); } > > > > +static void fdt_add_usb_xhci_nodes(VersalVirt *s) { > > + const char clocknames[] = "bus_clk\0ref_clk"; > > + char *name = g_strdup_printf("/usb@%" PRIx32, > MM_USB2_CTRL_REGS); > > + const char compat[] = "xlnx,versal-dwc3"; > > + > > + qemu_fdt_add_subnode(s->fdt, name); > > + qemu_fdt_setprop(s->fdt, name, "compatible", > > + compat, sizeof(compat)); > > + qemu_fdt_setprop_sized_cells(s->fdt, name, "reg", > > + 2, MM_USB2_CTRL_REGS, > > + 2, MM_USB2_CTRL_REGS_SIZE); > > + qemu_fdt_setprop(s->fdt, name, "clock-names", > > + clocknames, sizeof(clocknames)); > > + qemu_fdt_setprop_cells(s->fdt, name, "clocks", > > + s->phandle.clk_25Mhz, > > s->phandle.clk_125Mhz); > > + qemu_fdt_setprop(s->fdt, name, "ranges", NULL, 0); > > + qemu_fdt_setprop_cell(s->fdt, name, "#address-cells", 2); > > + qemu_fdt_setprop_cell(s->fdt, name, "#size-cells", 2); > > + qemu_fdt_setprop_cell(s->fdt, name, "phandle", s->phandle.usb); > > + g_free(name); > > + > > + { > > + const char irq_name[] = "dwc_usb3"; > > + const char compat[] = "snps,dwc3"; > > + > > + name = g_strdup_printf("/usb@%" PRIx32 "/dwc3@%" PRIx32, > > + MM_USB2_CTRL_REGS, MM_USB_XHCI_0); > > + qemu_fdt_add_subnode(s->fdt, name); > > + qemu_fdt_setprop(s->fdt, name, "compatible", > > + compat, sizeof(compat)); > > + qemu_fdt_setprop_sized_cells(s->fdt, name, "reg", > > + 2, MM_USB_XHCI_0, 2, > > MM_USB_XHCI_0_SIZE); > > + qemu_fdt_setprop(s->fdt, name, "interrupt-names", > > + irq_name, sizeof(irq_name)); > > + qemu_fdt_setprop_cells(s->fdt, name, "interrupts", > > + GIC_FDT_IRQ_TYPE_SPI, VERSAL_USB0_IRQ_0, > > + GIC_FDT_IRQ_FLAGS_LEVEL_HI); > > + qemu_fdt_setprop_cell(s->fdt, name, > > + "snps,quirk-frame-length-adjustment", 0x20); > > + qemu_fdt_setprop_cells(s->fdt, name, "#stream-id-cells", 1); > > + qemu_fdt_setprop_string(s->fdt, name, "dr_mode", "host"); > > + qemu_fdt_setprop_string(s->fdt, name, "phy-names", "usb3-phy"); > > + qemu_fdt_setprop(s->fdt, name, "snps,dis_u2_susphy_quirk", NULL, > 0); > > + qemu_fdt_setprop(s->fdt, name, "snps,dis_u3_susphy_quirk", NULL, > 0); > > + qemu_fdt_setprop(s->fdt, name, "snps,refclk_fladj", NULL, 0); > > + qemu_fdt_setprop(s->fdt, name, "snps,mask_phy_reset", NULL, 0); > > + qemu_fdt_setprop_cell(s->fdt, name, "phandle", s->phandle.dwc); > > + qemu_fdt_setprop_string(s->fdt, name, "maximum-speed", "high- > speed"); > > + g_free(name); > > + } > > +} > > + > > static void fdt_add_uart_nodes(VersalVirt *s) { > > uint64_t addrs[] = { MM_UART1, MM_UART0 }; @@ -515,6 +572,7 @@ > > static void versal_virt_init(MachineState *machine) > > fdt_add_gic_nodes(s); > > fdt_add_timer_nodes(s); > > fdt_add_zdma_nodes(s); > > + fdt_add_usb_xhci_nodes(s); > > fdt_add_sd_nodes(s); > > fdt_add_rtc_node(s); > > fdt_add_cpu_nodes(s, psci_conduit); diff --git > > a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c index 12ba6c4..64b0d0a > > 100644 > > --- a/hw/arm/xlnx-versal.c > > +++ b/hw/arm/xlnx-versal.c > > @@ -145,6 +145,39 @@ static void versal_create_uarts(Versal *s, > qemu_irq *pic) > > } > > } > > > > +static void versal_create_usbs(Versal *s, qemu_irq *pic) { > > + DeviceState *dev, *xhci_dev; > > + MemoryRegion *mr; > > + > > + object_initialize_child(OBJECT(s), "dwc3-0", &s->lpd.iou.usb.dwc3, > > + TYPE_USB_DWC3); > > + dev = DEVICE(&s->lpd.iou.usb.dwc3); > > + xhci_dev = DEVICE(&s->lpd.iou.usb.dwc3.sysbus_xhci); > > + > > + object_property_set_link(OBJECT(xhci_dev), "dma", OBJECT(&s- > >mr_ps), > > + &error_abort); > > + qdev_prop_set_uint32(xhci_dev, "intrs", 1); > > + qdev_prop_set_uint32(xhci_dev, "slots", 2); > > + > > + sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); > > + > > + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); > > + memory_region_add_subregion(&s->mr_ps, > MM_USB_XHCI_0_DWC3_GLOBAL, mr); > > + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(xhci_dev), 0); > > + memory_region_add_subregion(&s->mr_ps, MM_USB_XHCI_0, mr); > > + > > + sysbus_connect_irq(SYS_BUS_DEVICE(xhci_dev), 0, > > + pic[VERSAL_USB0_IRQ_0]); > > + > > + object_initialize_child(OBJECT(s), "usb2reg-0", &s- > >lpd.iou.usb.Usb2Regs, > > + TYPE_XILINX_VERSAL_USB2_CTRL_REGS); > > + dev = DEVICE(&s->lpd.iou.usb.Usb2Regs); > > + sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); > > + > > + mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); > > + memory_region_add_subregion(&s->mr_ps, MM_USB2_CTRL_REGS, > mr); } > > + > > static void versal_create_gems(Versal *s, qemu_irq *pic) { > > int i; > > @@ -333,6 +366,7 @@ static void versal_realize(DeviceState *dev, Error > **errp) > > versal_create_apu_cpus(s); > > versal_create_apu_gic(s, pic); > > versal_create_uarts(s, pic); > > + versal_create_usbs(s, pic); > > versal_create_gems(s, pic); > > versal_create_admas(s, pic); > > versal_create_sds(s, pic); > > diff --git a/include/hw/arm/xlnx-versal.h > > b/include/hw/arm/xlnx-versal.h index 8ce8e63..743e4f7 100644 > > --- a/include/hw/arm/xlnx-versal.h > > +++ b/include/hw/arm/xlnx-versal.h > > @@ -21,6 +21,8 @@ > > #include "hw/net/cadence_gem.h" > > #include "hw/rtc/xlnx-zynqmp-rtc.h" > > #include "qom/object.h" > > +#include "hw/usb/hcd-dwc3.h" > > +#include "hw/misc/xlnx-versal-usb2-ctrl-regs.h" > > > > #define TYPE_XLNX_VERSAL "xlnx-versal" > > OBJECT_DECLARE_SIMPLE_TYPE(Versal, XLNX_VERSAL) @@ -59,6 +61,10 > @@ > > struct Versal { > > PL011State uart[XLNX_VERSAL_NR_UARTS]; > > CadenceGEMState gem[XLNX_VERSAL_NR_GEMS]; > > XlnxZDMA adma[XLNX_VERSAL_NR_ADMAS]; > > + struct { > > + USBDWC3 dwc3; > > + VersalUsb2CtrlRegs Usb2Regs; > > I'd prefer this to be any of the following: > > VersalUsb2CtrlRegs ctrl; [Sai Pavan Boddu] Thanks, I would use above. Regards, Sai Pavan > VersalUsb2CtrlRegs regs; > VersalUsb2CtrlRegs ctrl_regs;