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Iglesias" To: Sai Pavan Boddu Subject: Re: [PATCH v5 7/7] Versal: Connect DWC3 controller with virt-versal Message-ID: <20200911080318.GQ14249@toto> References: <1599719469-24062-1-git-send-email-sai.pavan.boddu@xilinx.com> <1599719469-24062-8-git-send-email-sai.pavan.boddu@xilinx.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1599719469-24062-8-git-send-email-sai.pavan.boddu@xilinx.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: e203f721-2d39-460d-48ee-08d856292e42 X-MS-TrafficTypeDiagnostic: BN6PR02MB3380: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:224; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 5Tcg5N9CFIstNZATm0/9NMIOvHHwqY+XZIJy1FCtHuIrRgX91x89nbGmFxb0utJk7hX2bFA8VdoW3qx3rbQj/lkV9psARuK6EANcq3pxfmR4H5i5qJpLn3+z4s6ROa+e09vwEykPjHxlPWaZeabnqXdiZQLvPOlt8JuO5LqGmFG0lWCTvmrhEJWL/Dr4Rtn6kVGvizNHyHrOCKW4gblICtbouZq8Xoi12vyntzLSsb0jSZs52wErKvfPNfRqZqkWODE9aUP/rROVBgbcBUzseYQnydyFDurlg96McLOdvkxW0jw1k9B8S0eot/y9zQHtP7RGFRxB6vhJ+AtNdcaX8FYUwfkPL8Adc2l+P4ukja5uyFgjRXVzwe5r40SIY0FQoD69qUczLBtQ23vwKtrbww== X-Forefront-Antispam-Report: CIP:149.199.60.83; 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envelope-from=edgar@xilinx.com; helo=NAM02-BL2-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/11 04:03:35 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Francisco Eduardo Iglesias , Peter Maydell , Eduardo Habkost , Vikram Garhwal , Markus Armbruster , qemu-devel@nongnu.org, Edgar Iglesias , Alistair Francis , Gerd Hoffmann , =?iso-8859-1?Q?'Marc-Andr=E9?= Lureau' , Ying Fang , Paolo Bonzini , Paul Zimmerman , 'Philippe =?iso-8859-1?Q?Mathieu-Daud=E9'?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Thu, Sep 10, 2020 at 12:01:09PM +0530, Sai Pavan Boddu wrote: > From: Vikram Garhwal > > Connect dwc3 controller and usb2-reg module to virt-versal. > Configure it as dual port host controller. > > Signed-off-by: Vikram Garhwal > Signed-off-by: Sai Pavan Boddu > --- > hw/arm/xlnx-versal-virt.c | 59 ++++++++++++++++++++++++++++++++++++++++++++ > hw/arm/xlnx-versal.c | 38 ++++++++++++++++++++++++++++ > include/hw/arm/xlnx-versal.h | 14 +++++++++++ > 3 files changed, 111 insertions(+) > > diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c > index 4b3152e..398693d 100644 > --- a/hw/arm/xlnx-versal-virt.c > +++ b/hw/arm/xlnx-versal-virt.c > @@ -39,6 +39,8 @@ typedef 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 +152,60 @@ 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 *usb2name = g_strdup_printf("/usb@ff9d0000"); This string should be generated using the MM_USB2_REGS macro. > + const char dwcCompat[] = "xlnx,versal-dwc3"; You can use compat[] as we do in other places here. > + qemu_fdt_add_subnode(s->fdt, usb2name); > + qemu_fdt_setprop(s->fdt, usb2name, "compatible", > + dwcCompat, sizeof(dwcCompat)); > + qemu_fdt_setprop_sized_cells(s->fdt, usb2name, "reg", > + 2, MM_USB2_REGS, 2, 0x100); 0x100 as size looks small, you've added a macro for it, why not use it? > + qemu_fdt_setprop(s->fdt, usb2name, "clock-names", > + clocknames, sizeof(clocknames)); > + qemu_fdt_setprop_cells(s->fdt, usb2name, "clocks", > + s->phandle.clk_25Mhz, s->phandle.clk_125Mhz); > + qemu_fdt_setprop(s->fdt, usb2name, "ranges", NULL, 0); > + qemu_fdt_setprop_cell(s->fdt, usb2name, "#address-cells", 2); > + qemu_fdt_setprop_cell(s->fdt, usb2name, "#size-cells", 2); > + qemu_fdt_setprop_cell(s->fdt, usb2name, "phandle", s->phandle.usb); > + g_free(usb2name); > + > + { > + uint64_t addr = MM_USB_XHCI_0; > + unsigned int irq = VERSAL_USB0_IRQ_0; You're only using irq once? why not just use VERSAL_USB0_IRQ_0 directly? > + const char compat[] = "snps,dwc3"; > + const char intName[] = "dwc_usb3"; I'd prefer interrupt_names[] or irq_names[]. > + uint32_t frameLen = 0x20; Can't you just directly use 0x20 when setting the prop? > + > + char *name = g_strdup_printf("/usb@ff9d0000/dwc3@%" PRIx64, addr); We shouldn't hard-code ff9d0000 here. It also looks weird/wrong to have dwc3 as a subnode of usb like that. > + 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, addr, 2, MM_USB_XHCI_SIZE_0); > + qemu_fdt_setprop(s->fdt, name, "interrupt-names", > + intName, sizeof(intName)); > + qemu_fdt_setprop_cells(s->fdt, name, "interrupts", > + GIC_FDT_IRQ_TYPE_SPI, irq, > + GIC_FDT_IRQ_FLAGS_LEVEL_HI); > + qemu_fdt_setprop_cell(s->fdt, name, > + "snps,quirk-frame-length-adjustment", > + frameLen); > + 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(s->fdt, name, "snps,usb3_lpm_capable", 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 +573,7 @@ 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 e3aa4bd..9b241de 100644 > --- a/hw/arm/xlnx-versal.c > +++ b/hw/arm/xlnx-versal.c > @@ -145,6 +145,43 @@ static void versal_create_uarts(Versal *s, qemu_irq *pic) > } > } > > +static void versal_create_usbs(Versal *s, qemu_irq *pic) > +{ > + char *name = g_strdup_printf("dwc3-0"); There's no need to allocate and format a constant string... > + DeviceState *dev, *xhci_dev; > + MemoryRegion *mr; > + > + object_initialize_child(OBJECT(s), name, &s->fpd.iou.dwc3, > + TYPE_USB_DWC3); > + dev = DEVICE(&s->fpd.iou.dwc3); > + xhci_dev = DEVICE(&s->fpd.iou.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 + 0xC100 , 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]); > + g_free(name); > + > + name = g_strdup_printf("usb2reg-0"); This one too. > + object_initialize_child(OBJECT(s), name, &s->fpd.iou.Usb2Regs, > + "xlnx.usb2_regs"); > + dev = DEVICE(&s->fpd.iou.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_REGS, mr); > + g_free(name); > +} > + > static void versal_create_gems(Versal *s, qemu_irq *pic) > { > int i; > @@ -332,6 +369,7 @@ 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 9c9f47b..e19cfd5 100644 > --- a/include/hw/arm/xlnx-versal.h > +++ b/include/hw/arm/xlnx-versal.h > @@ -20,6 +20,8 @@ > #include "hw/dma/xlnx-zdma.h" > #include "hw/net/cadence_gem.h" > #include "hw/rtc/xlnx-zynqmp-rtc.h" > +#include "hw/usb/hcd-dwc3.h" > +#include "hw/misc/xlnx-versal-usb2-regs.h" > > #define TYPE_XLNX_VERSAL "xlnx-versal" > #define XLNX_VERSAL(obj) OBJECT_CHECK(Versal, (obj), TYPE_XLNX_VERSAL) > @@ -42,6 +44,11 @@ typedef struct Versal { > ARMCPU cpu[XLNX_VERSAL_NR_ACPUS]; > GICv3State gic; > } apu; > + > + struct { > + USBDWC3 dwc3; > + XlnxUsb2Regs Usb2Regs; > + } iou; > } fpd; > > MemoryRegion mr_ps; > @@ -87,6 +94,7 @@ typedef struct Versal { > > #define VERSAL_UART0_IRQ_0 18 > #define VERSAL_UART1_IRQ_0 19 > +#define VERSAL_USB0_IRQ_0 22 > #define VERSAL_GEM0_IRQ_0 56 > #define VERSAL_GEM0_WAKE_IRQ_0 57 > #define VERSAL_GEM1_IRQ_0 58 > @@ -124,6 +132,12 @@ typedef struct Versal { > #define MM_OCM 0xfffc0000U > #define MM_OCM_SIZE 0x40000 > > +#define MM_USB2_REGS 0xFF9D0000 > +#define MM_USB2_SIZE 0x10000 > + > +#define MM_USB_XHCI_0 0xFE200000 > +#define MM_USB_XHCI_SIZE_0 0x10000 > + > #define MM_TOP_DDR 0x0 > #define MM_TOP_DDR_SIZE 0x80000000U > #define MM_TOP_DDR_2 0x800000000ULL > -- > 2.7.4 >