commit f5cce57f6aca89c83b7f99b11b93ad9212b1573e
author Song Gao <gaosong@loongson.cn> Fri Apr 26 17:15:50 2024 +0800
committer Song Gao <gaosong@loongson.cn> Mon Apr 29 10:25:56 2024 +0800
tree 07e4c55df235ab0eefb856d4fa2a26fa1fa9a426
parent 22126fdb1c4f71d7ff02327e14b612d77126334b

hw/loongarch: Add cells missing from uart node

uart node need interrupts and interrupt-parent cells.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Message-Id: <20240426091551.2397867-17-gaosong@loongson.cn>

hw/loongarch/virt.c

diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 48f73ed..dbd7928 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -245,7 +245,8 @@
     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;
@@ -258,6 +259,10 @@
     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);
 }
 
@@ -630,7 +635,7 @@
                    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 */
     pci_init_nic_devices(pci_bus, mc->default_nic);