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Re: [Qemu-devel] [PATCH 17/28] riscv: sifive_u: Change UART node name in


From: Alistair Francis
Subject: Re: [Qemu-devel] [PATCH 17/28] riscv: sifive_u: Change UART node name in device tree
Date: Mon, 5 Aug 2019 17:20:57 -0700

On Mon, Aug 5, 2019 at 9:05 AM Bin Meng <address@hidden> wrote:
>
> 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 <address@hidden>

Reviewed-by: Alistair Francis <address@hidden>

Alistair

> ---
>
>  hw/riscv/sifive_u.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
> index 20dee52..8044166 100644
> --- a/hw/riscv/sifive_u.c
> +++ b/hw/riscv/sifive_u.c
> @@ -273,7 +273,7 @@ static void create_fdt(SiFiveUState *s, const struct 
> MemmapEntry *memmap,
>      qemu_fdt_setprop_cell(fdt, nodename, "reg", 0x0);
>      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");
> --
> 2.7.4
>
>



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