diff options
| -rw-r--r-- | hw/loongarch/virt.c | 31 | ||||
| -rw-r--r-- | include/hw/pci-host/ls7a.h | 1 |
2 files changed, 32 insertions, 0 deletions
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index 50e9829a94..afc1c8ac77 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -42,6 +42,35 @@ #include "hw/display/ramfb.h" #include "hw/mem/pc-dimm.h" +static void fdt_add_rtc_node(LoongArchMachineState *lams) +{ + char *nodename; + hwaddr base = VIRT_RTC_REG_BASE; + hwaddr size = VIRT_RTC_LEN; + MachineState *ms = MACHINE(lams); + + nodename = g_strdup_printf("/rtc@%" PRIx64, base); + qemu_fdt_add_subnode(ms->fdt, nodename); + qemu_fdt_setprop_string(ms->fdt, nodename, "compatible", "loongson,ls7a-rtc"); + qemu_fdt_setprop_sized_cells(ms->fdt, nodename, "reg", 0x0, base, size); + g_free(nodename); +} + +static void fdt_add_uart_node(LoongArchMachineState *lams) +{ + char *nodename; + hwaddr base = VIRT_UART_BASE; + hwaddr size = VIRT_UART_SIZE; + MachineState *ms = MACHINE(lams); + + nodename = g_strdup_printf("/serial@%" PRIx64, base); + qemu_fdt_add_subnode(ms->fdt, nodename); + qemu_fdt_setprop_string(ms->fdt, nodename, "compatible", "ns16550a"); + qemu_fdt_setprop_cells(ms->fdt, nodename, "reg", 0x0, base, 0x0, size); + qemu_fdt_setprop_cell(ms->fdt, nodename, "clock-frequency", 100000000); + g_free(nodename); +} + static void create_fdt(LoongArchMachineState *lams) { MachineState *ms = MACHINE(lams); @@ -422,6 +451,7 @@ static void loongarch_devices_init(DeviceState *pch_pic, LoongArchMachineState * qdev_get_gpio_in(pch_pic, VIRT_UART_IRQ - PCH_PIC_IRQ_OFFSET), 115200, serial_hd(0), DEVICE_LITTLE_ENDIAN); + fdt_add_uart_node(lams); /* Network init */ for (i = 0; i < nb_nics; i++) { @@ -442,6 +472,7 @@ static void loongarch_devices_init(DeviceState *pch_pic, LoongArchMachineState * sysbus_create_simple("ls7a_rtc", VIRT_RTC_REG_BASE, qdev_get_gpio_in(pch_pic, VIRT_RTC_IRQ - PCH_PIC_IRQ_OFFSET)); + fdt_add_rtc_node(lams); pm_mem = g_new(MemoryRegion, 1); memory_region_init_io(pm_mem, NULL, &loongarch_virt_pm_ops, diff --git a/include/hw/pci-host/ls7a.h b/include/hw/pci-host/ls7a.h index 9bd875ca8b..df7fa55a30 100644 --- a/include/hw/pci-host/ls7a.h +++ b/include/hw/pci-host/ls7a.h @@ -37,6 +37,7 @@ #define VIRT_PCI_IRQS 48 #define VIRT_UART_IRQ (PCH_PIC_IRQ_OFFSET + 2) #define VIRT_UART_BASE 0x1fe001e0 +#define VIRT_UART_SIZE 0X100 #define VIRT_RTC_IRQ (PCH_PIC_IRQ_OFFSET + 3) #define VIRT_MISC_REG_BASE (VIRT_PCH_REG_BASE + 0x00080000) #define VIRT_RTC_REG_BASE (VIRT_MISC_REG_BASE + 0x00050100) |