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lib: utils/timer: mtimer: add separate T-Head C9xx CLINT mtimer compatible

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T-HEAD allows soc vendor to map the mtimer and mswi of C9xx clint on
different address, which may cause a misuse if use the same compatible
string, add a new timer compatible string to avoid this.

Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
Link: https://lore.kernel.org/linux-riscv/6e48cbe5e60f9ada2fd1fe58e803e127f1a678e5.1696433229.git.unicorn_wang@outlook.com/
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Inochi Amaoto 2023-11-16 17:07:14 +08:00 • committed by Anup Patel
parent 896d2c99e2
commit accafb13d4
1 changed files with 6 additions and 0 deletions
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6
lib/utils/timer/fdt_timer_mtimer.c
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@ -147,10 +147,16 @@ static const struct timer_mtimer_quirks thead_clint_quirks = {
.clint_without_mtime = true,
};
static const struct timer_mtimer_quirks thead_aclint_quirks = {
.has_64bit_mmio = false,
};
static const struct fdt_match timer_mtimer_match[] = {
{ .compatible = "riscv,clint0", .data = &sifive_clint_quirks },
{ .compatible = "sifive,clint0", .data = &sifive_clint_quirks },
{ .compatible = "thead,c900-clint", .data = &thead_clint_quirks },
{ .compatible = "thead,c900-aclint-mtimer",
.data = &thead_aclint_quirks },
{ .compatible = "riscv,aclint-mtimer" },
{ },
};