From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> To: Rob Herring <robh+dt@kernel.org>, linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org Cc: "Emmanuel Gil Peyrot" <linkmauve@linkmauve.fr>, "Ash Logan" <ash@heyquark.com>, "Jonathan Neuschäfer" <j.ne@posteo.net>, "Srinivas Kandagatla" <srinivas.kandagatla@linaro.org>, "Michael Ellerman" <mpe@ellerman.id.au>, "Benjamin Herrenschmidt" <benh@kernel.crashing.org>, "Paul Mackerras" <paulus@samba.org>, linux-kernel@vger.kernel.org Subject: [PATCH v4 3/5] powerpc: wii.dts: Reduce the size of the control area Date: Sun, 1 Aug 2021 09:38:20 +0200 [thread overview] Message-ID: <20210801073822.12452-4-linkmauve@linkmauve.fr> (raw) In-Reply-To: <20210801073822.12452-1-linkmauve@linkmauve.fr> This is wrong, but needed in order to avoid overlapping ranges with the OTP area added in the next commit. A refactor of this part of the device tree is needed: according to Wiibrew[1], this area starts at 0x0d800000 and spans 0x400 bytes (that is, 0x100 32-bit registers), encompassing PIC and GPIO registers, amongst the ones already exposed in this device tree, which should become children of the control@d800000 node. [1] https://wiibrew.org/wiki/Hardware/Hollywood_Registers Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> --- arch/powerpc/boot/dts/wii.dts | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/boot/dts/wii.dts b/arch/powerpc/boot/dts/wii.dts index aaa381da1906..c5fb54f8cc02 100644 --- a/arch/powerpc/boot/dts/wii.dts +++ b/arch/powerpc/boot/dts/wii.dts @@ -216,7 +216,13 @@ AVE: audio-video-encoder@70 { control@d800100 { compatible = "nintendo,hollywood-control"; - reg = <0x0d800100 0x300>; + /* + * Both the address and length are wrong, according to + * Wiibrew this should be <0x0d800000 0x400>, but it + * requires refactoring the PIC1 and GPIO nodes before + * changing that. + */ + reg = <0x0d800100 0xa0>; }; disk@d806000 { -- 2.32.0
WARNING: multiple messages have this Message-ID (diff)
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> To: Rob Herring <robh+dt@kernel.org>, linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org Cc: "Emmanuel Gil Peyrot" <linkmauve@linkmauve.fr>, linux-kernel@vger.kernel.org, "Srinivas Kandagatla" <srinivas.kandagatla@linaro.org>, "Ash Logan" <ash@heyquark.com>, "Paul Mackerras" <paulus@samba.org>, "Jonathan Neuschäfer" <j.ne@posteo.net> Subject: [PATCH v4 3/5] powerpc: wii.dts: Reduce the size of the control area Date: Sun, 1 Aug 2021 09:38:20 +0200 [thread overview] Message-ID: <20210801073822.12452-4-linkmauve@linkmauve.fr> (raw) In-Reply-To: <20210801073822.12452-1-linkmauve@linkmauve.fr> This is wrong, but needed in order to avoid overlapping ranges with the OTP area added in the next commit. A refactor of this part of the device tree is needed: according to Wiibrew[1], this area starts at 0x0d800000 and spans 0x400 bytes (that is, 0x100 32-bit registers), encompassing PIC and GPIO registers, amongst the ones already exposed in this device tree, which should become children of the control@d800000 node. [1] https://wiibrew.org/wiki/Hardware/Hollywood_Registers Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> --- arch/powerpc/boot/dts/wii.dts | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/boot/dts/wii.dts b/arch/powerpc/boot/dts/wii.dts index aaa381da1906..c5fb54f8cc02 100644 --- a/arch/powerpc/boot/dts/wii.dts +++ b/arch/powerpc/boot/dts/wii.dts @@ -216,7 +216,13 @@ AVE: audio-video-encoder@70 { control@d800100 { compatible = "nintendo,hollywood-control"; - reg = <0x0d800100 0x300>; + /* + * Both the address and length are wrong, according to + * Wiibrew this should be <0x0d800000 0x400>, but it + * requires refactoring the PIC1 and GPIO nodes before + * changing that. + */ + reg = <0x0d800100 0xa0>; }; disk@d806000 { -- 2.32.0
next prev parent reply other threads:[~2021-08-01 7:38 UTC|newest] Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-19 9:50 [PATCH v2 0/4] nvmem: nintendo-otp: Add new driver for the Wii and Wii U OTP Emmanuel Gil Peyrot 2021-05-19 9:50 ` Emmanuel Gil Peyrot 2021-05-19 9:50 ` [PATCH v2 1/4] " Emmanuel Gil Peyrot 2021-05-19 9:50 ` Emmanuel Gil Peyrot 2021-06-26 23:24 ` Jonathan Neuschäfer 2021-06-26 23:24 ` Jonathan Neuschäfer 2021-05-19 9:50 ` [PATCH v2 2/4] dt-bindings: nintendo-otp: Document the Wii and Wii U OTP support Emmanuel Gil Peyrot 2021-05-19 9:50 ` Emmanuel Gil Peyrot 2021-05-21 1:37 ` Rob Herring 2021-05-21 1:37 ` Rob Herring 2021-06-26 21:27 ` Jonathan Neuschäfer 2021-06-26 21:27 ` Jonathan Neuschäfer 2021-05-19 9:50 ` [PATCH v2 3/4] powerpc: wii.dts: Expose the OTP on this platform Emmanuel Gil Peyrot 2021-05-19 9:50 ` Emmanuel Gil Peyrot 2021-06-26 23:34 ` Jonathan Neuschäfer 2021-06-26 23:34 ` Jonathan Neuschäfer 2021-07-01 19:56 ` Emmanuel Gil Peyrot 2021-07-01 19:56 ` Emmanuel Gil Peyrot 2021-07-02 8:56 ` Jonathan Neuschäfer 2021-07-02 8:56 ` Jonathan Neuschäfer 2021-07-03 15:53 ` Segher Boessenkool 2021-07-03 15:53 ` Segher Boessenkool 2021-05-19 9:50 ` [PATCH v2 4/4] powerpc: wii_defconfig: Enable OTP by default Emmanuel Gil Peyrot 2021-05-19 9:50 ` Emmanuel Gil Peyrot 2021-06-26 23:38 ` Jonathan Neuschäfer 2021-06-26 23:38 ` Jonathan Neuschäfer 2021-07-01 22:57 ` [PATCH v3 0/5] nvmem: nintendo-otp: Add new driver for the Wii and Wii U OTP Emmanuel Gil Peyrot 2021-07-01 22:57 ` Emmanuel Gil Peyrot 2021-07-01 22:57 ` [PATCH v3 1/5] " Emmanuel Gil Peyrot 2021-07-01 22:57 ` Emmanuel Gil Peyrot 2021-07-01 22:57 ` [PATCH v3 2/5] dt-bindings: nintendo-otp: Document the Wii and Wii U OTP support Emmanuel Gil Peyrot 2021-07-01 22:57 ` Emmanuel Gil Peyrot 2021-07-14 22:51 ` Rob Herring 2021-07-14 22:51 ` Rob Herring 2021-07-01 22:57 ` [PATCH v3 3/5] powerpc: wii.dts: Reduce the size of the control area Emmanuel Gil Peyrot 2021-07-01 22:57 ` Emmanuel Gil Peyrot 2021-07-01 22:57 ` [PATCH v3 4/5] powerpc: wii.dts: Expose the OTP on this platform Emmanuel Gil Peyrot 2021-07-01 22:57 ` Emmanuel Gil Peyrot 2021-07-01 22:57 ` [PATCH v3 5/5] powerpc: wii_defconfig: Enable OTP by default Emmanuel Gil Peyrot 2021-07-01 22:57 ` Emmanuel Gil Peyrot 2021-08-01 7:38 ` [PATCH v4 0/5] nvmem: nintendo-otp: Add new driver for the Wii and Wii U OTP Emmanuel Gil Peyrot 2021-08-01 7:38 ` Emmanuel Gil Peyrot 2021-08-01 7:38 ` [PATCH v4 1/5] " Emmanuel Gil Peyrot 2021-08-01 7:38 ` Emmanuel Gil Peyrot 2021-08-01 7:38 ` [PATCH v4 2/5] dt-bindings: nintendo-otp: Document the Wii and Wii U OTP support Emmanuel Gil Peyrot 2021-08-01 7:38 ` Emmanuel Gil Peyrot 2021-08-06 21:07 ` Rob Herring 2021-08-06 21:07 ` Rob Herring 2021-08-01 7:38 ` Emmanuel Gil Peyrot [this message] 2021-08-01 7:38 ` [PATCH v4 3/5] powerpc: wii.dts: Reduce the size of the control area Emmanuel Gil Peyrot 2021-08-01 7:38 ` [PATCH v4 4/5] powerpc: wii.dts: Expose the OTP on this platform Emmanuel Gil Peyrot 2021-08-01 7:38 ` Emmanuel Gil Peyrot 2021-08-01 7:38 ` [PATCH v4 5/5] powerpc: wii_defconfig: Enable OTP by default Emmanuel Gil Peyrot 2021-08-01 7:38 ` Emmanuel Gil Peyrot 2021-08-10 10:57 ` [PATCH v4 0/5] nvmem: nintendo-otp: Add new driver for the Wii and Wii U OTP Srinivas Kandagatla 2021-08-10 10:57 ` Srinivas Kandagatla 2021-08-18 13:38 ` Michael Ellerman
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