| Message ID | 1565510821-3927-23-git-send-email-bmeng.cn@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | riscv: sifive_u: Improve the emulation fidelity of sifive_u machine | expand |
On Sun, Aug 11, 2019 at 1:13 AM Bin Meng <bmeng.cn@gmail.com> wrote: > > 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> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Alistair > --- > > Changes in v3: None > Changes in v2: None > > hw/riscv/sifive_u.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c > index 7eb2b7e..0c1a89f 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); > } > > -- > 2.7.4 > >
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index 7eb2b7e..0c1a89f 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); }
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 v3: None Changes in v2: None hw/riscv/sifive_u.c | 2 ++ 1 file changed, 2 insertions(+)