diff options
Diffstat (limited to 'hw/arm/xlnx-versal-virt.c')
| -rw-r--r-- | hw/arm/xlnx-versal-virt.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c index 668a9d65a4..1ee2b8697f 100644 --- a/hw/arm/xlnx-versal-virt.c +++ b/hw/arm/xlnx-versal-virt.c @@ -40,9 +40,11 @@ struct VersalVirt { uint32_t clk_25Mhz; uint32_t usb; uint32_t dwc; + uint32_t canfd[2]; } phandle; struct arm_boot_info binfo; + CanBusState *canbus[XLNX_VERSAL_NR_CANFD]; struct { bool secure; } cfg; @@ -235,6 +237,38 @@ static void fdt_add_uart_nodes(VersalVirt *s) } } +static void fdt_add_canfd_nodes(VersalVirt *s) +{ + uint64_t addrs[] = { MM_CANFD1, MM_CANFD0 }; + uint32_t size[] = { MM_CANFD1_SIZE, MM_CANFD0_SIZE }; + unsigned int irqs[] = { VERSAL_CANFD1_IRQ_0, VERSAL_CANFD0_IRQ_0 }; + const char clocknames[] = "can_clk\0s_axi_aclk"; + int i; + + /* Create and connect CANFD0 and CANFD1 nodes to canbus0. */ + for (i = 0; i < ARRAY_SIZE(addrs); i++) { + char *name = g_strdup_printf("/canfd@%" PRIx64, addrs[i]); + qemu_fdt_add_subnode(s->fdt, name); + + qemu_fdt_setprop_cell(s->fdt, name, "rx-fifo-depth", 0x40); + qemu_fdt_setprop_cell(s->fdt, name, "tx-mailbox-count", 0x20); + + qemu_fdt_setprop_cells(s->fdt, name, "clocks", + s->phandle.clk_25Mhz, s->phandle.clk_25Mhz); + qemu_fdt_setprop(s->fdt, name, "clock-names", + clocknames, sizeof(clocknames)); + qemu_fdt_setprop_cells(s->fdt, name, "interrupts", + GIC_FDT_IRQ_TYPE_SPI, irqs[i], + GIC_FDT_IRQ_FLAGS_LEVEL_HI); + qemu_fdt_setprop_sized_cells(s->fdt, name, "reg", + 2, addrs[i], 2, size[i]); + qemu_fdt_setprop_string(s->fdt, name, "compatible", + "xlnx,canfd-2.0"); + + g_free(name); + } +} + static void fdt_add_fixed_link_nodes(VersalVirt *s, char *gemname, uint32_t phandle) { @@ -639,12 +673,17 @@ static void versal_virt_init(MachineState *machine) TYPE_XLNX_VERSAL); object_property_set_link(OBJECT(&s->soc), "ddr", OBJECT(machine->ram), &error_abort); + object_property_set_link(OBJECT(&s->soc), "canbus0", OBJECT(s->canbus[0]), + &error_abort); + object_property_set_link(OBJECT(&s->soc), "canbus1", OBJECT(s->canbus[1]), + &error_abort); sysbus_realize(SYS_BUS_DEVICE(&s->soc), &error_fatal); fdt_create(s); create_virtio_regions(s); fdt_add_gem_nodes(s); fdt_add_uart_nodes(s); + fdt_add_canfd_nodes(s); fdt_add_gic_nodes(s); fdt_add_timer_nodes(s); fdt_add_zdma_nodes(s); @@ -712,6 +751,20 @@ static void versal_virt_init(MachineState *machine) static void versal_virt_machine_instance_init(Object *obj) { + VersalVirt *s = XLNX_VERSAL_VIRT_MACHINE(obj); + + /* + * User can set canbus0 and canbus1 properties to can-bus object and connect + * to socketcan(optional) interface via command line. + */ + object_property_add_link(obj, "canbus0", TYPE_CAN_BUS, + (Object **)&s->canbus[0], + object_property_allow_set_link, + 0); + object_property_add_link(obj, "canbus1", TYPE_CAN_BUS, + (Object **)&s->canbus[1], + object_property_allow_set_link, + 0); } static void versal_virt_machine_class_init(ObjectClass *oc, void *data) |