lib: utils/ipi: mswi: add T-Head C9xx CLINT compatible

Althoug the MTIMER part of a C9xx CLINT differs from a SiFive one, the
MSWI part is compliant.

Add T-Head C9xx CLINT compatible string to fdt_ipi_mswi code, sharing
the same codepath with SiFive CLINT.

Signed-off-by: Icenowy Zheng <uwu@icenowy.me>
Reviewed-by: Anup Patel <anup@brainfault.org>

diff --git a/lib/utils/ipi/fdt_ipi_mswi.c b/lib/utils/ipi/fdt_ipi_mswi.c
index 0176941..4dc91f2 100644 (file)
--- a/lib/utils/ipi/fdt_ipi_mswi.c
+++ b/lib/utils/ipi/fdt_ipi_mswi.c
@@ -56,6 +56,7 @@ static const unsigned long clint_offset = CLINT_MSWI_OFFSET;
 static const struct fdt_match ipi_mswi_match[] = {
        { .compatible = "riscv,clint0", .data = &clint_offset },
        { .compatible = "sifive,clint0", .data = &clint_offset },
+       { .compatible = "thead,c900-clint", .data = &clint_offset },
        { .compatible = "riscv,aclint-mswi" },
        { },
 };