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authorVikram Garhwal <fnu.vikram@xilinx.com>2020-12-04 00:52:37 +0530
committerPeter Maydell <peter.maydell@linaro.org>2020-12-15 12:04:30 +0000
commit144677d41bf513af64e934fba61bf3220cbe8d5a (patch)
treeff319ce72522946f92b491f8fc77110e98dbede7
parente29c7db19d2cb71df1c02ba523d0c882009a78ec (diff)
downloadqemu-arm-144677d41bf513af64e934fba61bf3220cbe8d5a.tar.gz
arm: xlnx-versal: Connect usb to virt-versal
Connect VersalUsb2 subsystem 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. Signed-off-by: Vikram Garhwal <fnu.vikram@xilinx.com> Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1607023357-5096-5-git-send-email-sai.pavan.boddu@xilinx.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hw/arm/xlnx-versal-virt.c55
-rw-r--r--hw/arm/xlnx-versal.c26
-rw-r--r--include/hw/arm/xlnx-versal.h9
3 files changed, 90 insertions, 0 deletions
diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c
index ee1282241e..8482cd6196 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 +152,56 @@ 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";
+ const char irq_name[] = "dwc_usb3";
+ const char compatVersalDWC3[] = "xlnx,versal-dwc3";
+ const char compatDWC3[] = "snps,dwc3";
+ char *name = g_strdup_printf("/usb@%" PRIx32, MM_USB2_CTRL_REGS);
+
+ qemu_fdt_add_subnode(s->fdt, name);
+ qemu_fdt_setprop(s->fdt, name, "compatible",
+ compatVersalDWC3, sizeof(compatVersalDWC3));
+ 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);
+
+ name = g_strdup_printf("/usb@%" PRIx32 "/dwc3@%" PRIx32,
+ MM_USB2_CTRL_REGS, MM_USB_0);
+ qemu_fdt_add_subnode(s->fdt, name);
+ qemu_fdt_setprop(s->fdt, name, "compatible",
+ compatDWC3, sizeof(compatDWC3));
+ qemu_fdt_setprop_sized_cells(s->fdt, name, "reg",
+ 2, MM_USB_0, 2, MM_USB_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 +569,7 @@ 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 12ba6c4eba..b0777166e8 100644
--- a/hw/arm/xlnx-versal.c
+++ b/hw/arm/xlnx-versal.c
@@ -145,6 +145,31 @@ static void versal_create_uarts(Versal *s, qemu_irq *pic)
}
}
+static void versal_create_usbs(Versal *s, qemu_irq *pic)
+{
+ DeviceState *dev;
+ MemoryRegion *mr;
+
+ object_initialize_child(OBJECT(s), "usb2", &s->lpd.iou.usb,
+ TYPE_XILINX_VERSAL_USB2);
+ dev = DEVICE(&s->lpd.iou.usb);
+
+ object_property_set_link(OBJECT(dev), "dma", OBJECT(&s->mr_ps),
+ &error_abort);
+ qdev_prop_set_uint32(dev, "intrs", 1);
+ qdev_prop_set_uint32(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_0, mr);
+
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[VERSAL_USB0_IRQ_0]);
+
+ mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1);
+ 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 +358,7 @@ 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 8ce8e63b56..2b76885afd 100644
--- a/include/hw/arm/xlnx-versal.h
+++ b/include/hw/arm/xlnx-versal.h
@@ -21,6 +21,7 @@
#include "hw/net/cadence_gem.h"
#include "hw/rtc/xlnx-zynqmp-rtc.h"
#include "qom/object.h"
+#include "hw/usb/xlnx-usb-subsystem.h"
#define TYPE_XLNX_VERSAL "xlnx-versal"
OBJECT_DECLARE_SIMPLE_TYPE(Versal, XLNX_VERSAL)
@@ -59,6 +60,7 @@ struct Versal {
PL011State uart[XLNX_VERSAL_NR_UARTS];
CadenceGEMState gem[XLNX_VERSAL_NR_GEMS];
XlnxZDMA adma[XLNX_VERSAL_NR_ADMAS];
+ VersalUsb2 usb;
} iou;
} lpd;
@@ -88,6 +90,7 @@ 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
@@ -125,6 +128,12 @@ struct Versal {
#define MM_OCM 0xfffc0000U
#define MM_OCM_SIZE 0x40000
+#define MM_USB2_CTRL_REGS 0xFF9D0000
+#define MM_USB2_CTRL_REGS_SIZE 0x10000
+
+#define MM_USB_0 0xFE200000
+#define MM_USB_0_SIZE 0x10000
+
#define MM_TOP_DDR 0x0
#define MM_TOP_DDR_SIZE 0x80000000U
#define MM_TOP_DDR_2 0x800000000ULL