diff mbox series

[v1,16/17] hw/loongarch: Add cells missing from uart node

Message ID 20231208090042.2672425-17-gaosong@loongson.cn
State New
Headers show
Series Add boot LoongArch elf kernel with FDT | expand

Commit Message

Song Gao Dec. 8, 2023, 9 a.m. UTC 
uart node need interrupts and interrupt-parent cells.

Signed-off-by: Song Gao <gaosong@loongson.cn>
---
 hw/loongarch/virt.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 7dfad60368..bd1db2de4f 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -217,7 +217,8 @@  static void fdt_add_rtc_node(LoongArchMachineState *lams)
     g_free(nodename);
 }
 
-static void fdt_add_uart_node(LoongArchMachineState *lams)
+static void fdt_add_uart_node(LoongArchMachineState *lams,
+                              uint32_t *pch_pic_phandle)
 {
     char *nodename;
     hwaddr base = VIRT_UART_BASE;
@@ -230,6 +231,10 @@  static void fdt_add_uart_node(LoongArchMachineState *lams)
     qemu_fdt_setprop_cells(ms->fdt, nodename, "reg", 0x0, base, 0x0, size);
     qemu_fdt_setprop_cell(ms->fdt, nodename, "clock-frequency", 100000000);
     qemu_fdt_setprop_string(ms->fdt, "/chosen", "stdout-path", nodename);
+    qemu_fdt_setprop_cells(ms->fdt, nodename, "interrupts",
+                           VIRT_UART_IRQ - VIRT_GSI_BASE, 0x4);
+    qemu_fdt_setprop_cell(ms->fdt, nodename, "interrupt-parent",
+                          *pch_pic_phandle);
     g_free(nodename);
 }
 
@@ -597,7 +602,7 @@  static void loongarch_devices_init(DeviceState *pch_pic,
                    qdev_get_gpio_in(pch_pic,
                                     VIRT_UART_IRQ - VIRT_GSI_BASE),
                    115200, serial_hd(0), DEVICE_LITTLE_ENDIAN);
-    fdt_add_uart_node(lams);
+    fdt_add_uart_node(lams, pch_pic_phandle);
 
     /* Network init */
     for (i = 0; i < nb_nics; i++) {