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[v2,22/28] riscv: sifive_u: Generate an aliases node in the device tree

Message ID 1565163924-18621-23-git-send-email-bmeng.cn@gmail.com
State Superseded
Headers show
Series [v2,01/28] riscv: hw: Remove superfluous "linux, phandle" property | expand

Commit Message

Bin Meng Aug. 7, 2019, 7:45 a.m. UTC 
The Linux kernel SiFive UART driver expects an aliases node to be
present in the device tree, from which the driver extracts the port
number from "serial#" in the aliases node.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
---

Changes in v2: None

 hw/riscv/sifive_u.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index fb4845c..8218cdd 100644
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -284,6 +284,8 @@  static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap,
     if (cmdline) {
         qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline);
     }
+    qemu_fdt_add_subnode(fdt, "/aliases");
+    qemu_fdt_setprop_string(fdt, "/aliases", "serial0", nodename);
     g_free(nodename);
 }