Commit ea85f27d authored by Bin Meng's avatar Bin Meng Committed by Alistair Francis
Browse files

hw/riscv: sifive_u: Generate device tree node for OTP 



Upstream U-Boot v2020.07 codes switch to access SiFive FU540 OTP
based on device tree information. Let's generate the device tree
node for OTP.

Signed-off-by: default avatarBin Meng <bin.meng@windriver.com>
Reviewed-by: default avatarAlistair Francis <alistair.francis@wdc.com>
Message-id: 1591625864-31494-5-git-send-email-bmeng.cn@gmail.com
Message-Id: <1591625864-31494-5-git-send-email-bmeng.cn@gmail.com>
Signed-off-by: default avatarAlistair Francis <alistair.francis@wdc.com>
parent 5874f0a7

hw/riscv/sifive_u.c

+11 −0
Original line number Diff line number Diff line
@@ -207,6 +207,17 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, 
    g_free(cells);

    g_free(nodename);



    nodename = g_strdup_printf("/soc/otp@%lx",

        (long)memmap[SIFIVE_U_OTP].base);

    qemu_fdt_add_subnode(fdt, nodename);

    qemu_fdt_setprop_cell(fdt, nodename, "fuse-count", SIFIVE_U_OTP_REG_SIZE);

    qemu_fdt_setprop_cells(fdt, nodename, "reg",

        0x0, memmap[SIFIVE_U_OTP].base,

        0x0, memmap[SIFIVE_U_OTP].size);

    qemu_fdt_setprop_string(fdt, nodename, "compatible",

        "sifive,fu540-c000-otp");

    g_free(nodename);



    prci_phandle = phandle++;

    nodename = g_strdup_printf("/soc/clock-controller@%lx",

        (long)memmap[SIFIVE_U_PRCI].base);