diff options
| author | Anup Patel <anup.patel@wdc.com> | 2020-11-11 15:17:25 +0530 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2020-12-17 21:56:43 -0800 |
| commit | 10b43754cf299af85bdb1996594ddd54bc517094 (patch) | |
| tree | a482992e51c545eac99b57d8399a14bc71c03edf | |
| parent | 75ee62ac606bfc9eb59310b9446df3434bf6e8c2 (diff) | |
hw/riscv: sifive_u: Add UART1 DT node in the generated DTB
The sifive_u machine emulates two UARTs but we have only UART0 DT
node in the generated DTB so this patch adds UART1 DT node in the
generated DTB.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20201111094725.3768755-1-anup.patel@wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
| -rw-r--r-- | hw/riscv/sifive_u.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index e7f6dc5fb3..a629416785 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -386,6 +386,21 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, g_free(nodename); nodename = g_strdup_printf("/soc/serial@%lx", + (long)memmap[SIFIVE_U_DEV_UART1].base); + qemu_fdt_add_subnode(fdt, nodename); + qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,uart0"); + qemu_fdt_setprop_cells(fdt, nodename, "reg", + 0x0, memmap[SIFIVE_U_DEV_UART1].base, + 0x0, memmap[SIFIVE_U_DEV_UART1].size); + qemu_fdt_setprop_cells(fdt, nodename, "clocks", + prci_phandle, PRCI_CLK_TLCLK); + qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "interrupts", SIFIVE_U_UART1_IRQ); + + qemu_fdt_setprop_string(fdt, "/aliases", "serial1", nodename); + g_free(nodename); + + nodename = g_strdup_printf("/soc/serial@%lx", (long)memmap[SIFIVE_U_DEV_UART0].base); qemu_fdt_add_subnode(fdt, nodename); qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,uart0"); |