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Message-ID: <CAJF2gTRkixZf6mhQjPky+81fV6a+rx32xtZ3JC90cu4iXf5bFQ@mail.gmail.com>
Date: Mon, 4 Dec 2023 22:51:35 +0800
From: Guo Ren <guoren@...nel.org>
To: Inochi Amaoto <inochiama@...look.com>
Cc: Chao Wei <chao.wei@...hgo.com>,
Chen Wang <unicorn_wang@...look.com>,
Conor Dooley <conor@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Xiaoguang Xing <xiaoguang.xing@...hgo.com>,
Anup Patel <anup@...infault.org>,
Samuel Holland <samuel.holland@...ive.com>,
Jisheng Zhang <jszhang@...nel.org>,
linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 2/2] riscv: dts: sophgo: separate sg2042 mtime and
mtimecmp to fit aclint format
On Mon, Dec 4, 2023 at 5:51 PM Inochi Amaoto <inochiama@...look.com> wrote:
>
> Change the timer layout in the dtb to fit the format that needed by
> the SBI.
>
> Signed-off-by: Inochi Amaoto <inochiama@...look.com>
> Fixes: 967a94a92aaa ("riscv: dts: add initial Sophgo SG2042 SoC device tree")
> Reviewed-by: Chen Wang <unicorn_wang@...look.com>
> ---
> arch/riscv/boot/dts/sophgo/sg2042.dtsi | 80 +++++++++++++++-----------
> 1 file changed, 48 insertions(+), 32 deletions(-)
>
> diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
> index 93256540d078..ead1cc35d88b 100644
> --- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi
> +++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
> @@ -93,144 +93,160 @@ clint_mswi: interrupt-controller@...4000000 {
> <&cpu63_intc 3>;
> };
>
> - clint_mtimer0: timer@...c000000 {
> + clint_mtimer0: timer@...c004000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac000000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac004000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu0_intc 7>,
> <&cpu1_intc 7>,
> <&cpu2_intc 7>,
> <&cpu3_intc 7>;
> };
>
> - clint_mtimer1: timer@...c010000 {
> + clint_mtimer1: timer@...c014000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac010000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac014000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu4_intc 7>,
> <&cpu5_intc 7>,
> <&cpu6_intc 7>,
> <&cpu7_intc 7>;
> };
>
> - clint_mtimer2: timer@...c020000 {
> + clint_mtimer2: timer@...c024000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac020000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac024000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu8_intc 7>,
> <&cpu9_intc 7>,
> <&cpu10_intc 7>,
> <&cpu11_intc 7>;
> };
>
> - clint_mtimer3: timer@...c030000 {
> + clint_mtimer3: timer@...c034000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac030000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac034000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu12_intc 7>,
> <&cpu13_intc 7>,
> <&cpu14_intc 7>,
> <&cpu15_intc 7>;
> };
>
> - clint_mtimer4: timer@...c040000 {
> + clint_mtimer4: timer@...c044000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac040000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac044000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu16_intc 7>,
> <&cpu17_intc 7>,
> <&cpu18_intc 7>,
> <&cpu19_intc 7>;
> };
>
> - clint_mtimer5: timer@...c050000 {
> + clint_mtimer5: timer@...c054000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac050000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac054000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu20_intc 7>,
> <&cpu21_intc 7>,
> <&cpu22_intc 7>,
> <&cpu23_intc 7>;
> };
>
> - clint_mtimer6: timer@...c060000 {
> + clint_mtimer6: timer@...c064000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac060000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac064000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu24_intc 7>,
> <&cpu25_intc 7>,
> <&cpu26_intc 7>,
> <&cpu27_intc 7>;
> };
>
> - clint_mtimer7: timer@...c070000 {
> + clint_mtimer7: timer@...c074000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac070000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac074000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu28_intc 7>,
> <&cpu29_intc 7>,
> <&cpu30_intc 7>,
> <&cpu31_intc 7>;
> };
>
> - clint_mtimer8: timer@...c080000 {
> + clint_mtimer8: timer@...c084000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac080000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac084000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu32_intc 7>,
> <&cpu33_intc 7>,
> <&cpu34_intc 7>,
> <&cpu35_intc 7>;
> };
>
> - clint_mtimer9: timer@...c090000 {
> + clint_mtimer9: timer@...c094000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac090000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac094000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu36_intc 7>,
> <&cpu37_intc 7>,
> <&cpu38_intc 7>,
> <&cpu39_intc 7>;
> };
>
> - clint_mtimer10: timer@...c0a0000 {
> + clint_mtimer10: timer@...c0a4000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac0a0000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac0a4000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu40_intc 7>,
> <&cpu41_intc 7>,
> <&cpu42_intc 7>,
> <&cpu43_intc 7>;
> };
>
> - clint_mtimer11: timer@...c0b0000 {
> + clint_mtimer11: timer@...c0b4000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac0b0000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac0b4000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu44_intc 7>,
> <&cpu45_intc 7>,
> <&cpu46_intc 7>,
> <&cpu47_intc 7>;
> };
>
> - clint_mtimer12: timer@...c0c0000 {
> + clint_mtimer12: timer@...c0c4000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac0c0000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac0c4000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu48_intc 7>,
> <&cpu49_intc 7>,
> <&cpu50_intc 7>,
> <&cpu51_intc 7>;
> };
>
> - clint_mtimer13: timer@...c0d0000 {
> + clint_mtimer13: timer@...c0d4000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac0d0000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac0d4000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu52_intc 7>,
> <&cpu53_intc 7>,
> <&cpu54_intc 7>,
> <&cpu55_intc 7>;
> };
>
> - clint_mtimer14: timer@...c0e0000 {
> + clint_mtimer14: timer@...c0e4000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac0e0000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac0e4000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu56_intc 7>,
> <&cpu57_intc 7>,
> <&cpu58_intc 7>,
> <&cpu59_intc 7>;
> };
>
> - clint_mtimer15: timer@...c0f0000 {
> + clint_mtimer15: timer@...c0f4000 {
> compatible = "sophgo,sg2042-aclint-mtimer", "thead,c900-aclint-mtimer";
> - reg = <0x00000070 0xac0f0000 0x00000000 0x00007ff8>;
> + reg = <0x00000070 0xac0f4000 0x00000000 0x0000c000>;
> + reg-names = "mtimecmp";
> interrupts-extended = <&cpu60_intc 7>,
> <&cpu61_intc 7>,
> <&cpu62_intc 7>,
> --
> 2.43.0
>
Reviewed-by: Guo Ren <guoren@...nel.org>
--
Best Regards
Guo Ren
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