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[v8,26/32] riscv: sifive_u: Change UART node name in device tree

Message ID 1567786819-22142-27-git-send-email-bmeng.cn@gmail.com
State New
Headers show
Series riscv: sifive_u: Improve the emulation fidelity of sifive_u machine | expand

Commit Message

Bin Meng Sept. 6, 2019, 4:20 p.m. UTC
OpenSBI for fu540 does DT fix up (see fu540_modify_dt()) by updating
chosen "stdout-path" to point to "/soc/serial@...", and U-Boot will
use this information to locate the serial node and probe its driver.
However currently we generate the UART node name as "/soc/uart@...",
causing U-Boot fail to find the serial node in DT.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
---

Changes in v8: None
Changes in v7: None
Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None

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

diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index a3ee1ec..5ca3793 100644
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -286,7 +286,7 @@  static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap,
     uartclk_phandle = qemu_fdt_get_phandle(fdt, nodename);
     g_free(nodename);
 
-    nodename = g_strdup_printf("/soc/uart@%lx",
+    nodename = g_strdup_printf("/soc/serial@%lx",
         (long)memmap[SIFIVE_U_UART0].base);
     qemu_fdt_add_subnode(fdt, nodename);
     qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,uart0");