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Thu, 03 Nov 2022 16:27:44 +0100 Date: Thu, 3 Nov 2022 16:27:42 +0100 From: Jonathan =?utf-8?Q?Neusch=C3=A4fer?= To: Joel Stanley Cc: Jonathan =?utf-8?Q?Neusch=C3=A4fer?= , openbmc@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Russell King Subject: Re: [PATCH v3] ARM: Add wpcm450_defconfig for Nuvoton WPCM450 Message-ID: References: <20221101112134.673869-1-j.neuschaefer@gmx.net> MIME-Version: 1.0 In-Reply-To: X-Provags-ID: V03:K1:6/15tKCEE1SgwOughob2r71Cgpa2Iy2CW+UvY3wS41dgyU3QgPB nN17U46GHNzgiDywo9D6t1u3pWZxjR2c8/PxNuwet0hmqsMCvFUr3I+FOaCOhDhIATtUNsG iaGWaQNpPvz+SA1cFuRO9hBCqmkS6DPS/mOZFFLDW/d05D/YVBlvRt60o5lO+G5bFr9zhSn YhXVtMrZZoQJopX/ndiYg== UI-OutboundReport: notjunk:1;M01:P0:N1LbXc4a9XE=;WrOyN4FTith+9lFxFza3HlLqBVL O+WJQplvss8Wpf6fW5ff6DI1Mkb6wsTEc4u+daSJCR+HGldi5tucOYxNZ1vboj/Q4S4GC68EW lPXsOVC5ru0xaRXL7yHuN0FtBWgFjoACpW8pBCKwCGlkVram0vD2TZFHqT22Jf8aK85RaIGTt Tf2VJ2sV2QIhE4bOEysehcvDMvw/gqwfNk+3hluW0PS1EQ2lRwF9lKKfIgv68KaSlfKLmIbkZ boAnkXCpK9OI9bcoY9y24O6v0XoByLWuBiJUHDT7F+OvBFje2RCOE1x/ue3mdPq/iQGFftJZ0 w9huIFHq79KKRnMFKrs1leCO14+gw/9gqC72KOKuHlZ0aw+tMSNSfcP20FgAsLLVuGEwaWyQj O8m7we1GoF/sDqP4/Rz3Ef7kw8qlvg0yp3dAl7YgF452/ZMK1eyw6dif/wDfY1kV2fZfqUDXu 0mwRKtSsx25Cb1UZqb7RMHml0CJOgcAYhwsNKz0Mds439ACyCaLUFUZCRw4goCrWCWMUJyzFF amA4sYOaow4ikitTP8PJgYFIvAdSakYjCZ+IeWzjdteMFsZUYWK5IyzF4BkOUycG3TVBNjfV5 ZddbRCfHuXS1f9Ixb/rY/64qF1mgcHzAWyRBnsra8U/HvGpp6gfY1Gx87zeheN4KaPPICG4kP 1x650I0YFWYIH2gH5xZ+WXGicFfhXmQoz+itNaJP9RMmY+8aPZGKyB+PpPyGCOFLzHxYsQi/v OzIbWWra6aM9KX9OkAkJHLpXlBwhOgC3soJumljqdQg6WEsCEd174gxaozKJFMuktS2iRhyoi dQ71eYnMxwdcDdvoO3YjZ/r2aSQjmEashl4ujUKNag3mV+FnFK5BoFQLajgpZ5fQ1LQsUFL0z MS0PJ9M8MrNaq89lAnlaQn17QRngcKsIFQm86s+JycI6/4suL23A8vaXHWjvtyom5zUbrqu4L zAp//XP/wusY3TAGCH5nTtJshww= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221103_082755_245921_FFEDFC62 X-CRM114-Status: GOOD ( 21.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2237112391104340709==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============2237112391104340709== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="RxxJ9eg+2o8pr/p9" Content-Disposition: inline --RxxJ9eg+2o8pr/p9 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Nov 02, 2022 at 10:29:58PM +0000, Joel Stanley wrote: > On Tue, 1 Nov 2022 at 11:22, Jonathan Neusch=C3=A4fer wrote: > > > > This defconfig aims to offer a reasonable set of defaults for all > > systems running on a Nuvoton WPCM450 chip. >=20 > I was going to ask if we could instead have a common nuvoton > defconfig, but this is an ARMv5 part so we can't also select the ARMv7 > npcm750. Correct. >=20 > Reviewed-by: Joel Stanley >=20 > > +CONFIG_ARM_APPENDED_DTB=3Dy >=20 > Do you use this? OpenBMC systems tend to just use FIT, so we don't > need this option. I use this, because there is no modern U-Boot port for WPCM450 yet (as far as I'm aware). > > +CONFIG_KEXEC=3Dy I also use kexec, it's useful during development, but I see that it's not so useful for the BMC usecase. > > +CONFIG_CPU_FREQ=3Dy >=20 > Does the wpcm do frequency scaling? If not you could disable this. No, as it currently stands the clock driver is read-only except for the clock gates, and there is no cpufreq. I'll disable this option. CPU_IDLE could plausibly be implemented on WPCM450, but currently isn't. Thanks, Jonathan --RxxJ9eg+2o8pr/p9 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEvHAHGBBjQPVy+qvDCDBEmo7zX9sFAmNj3c0ACgkQCDBEmo7z X9s1ig//cf6cPlBR4q5XbP91hHqmEBlAhpVFYFjdtzHlcqJgZlhbhtwwEa3OiPoP 5JBodEaW2k3YWU6t2hM7UxiltcBNNCrz7uEhDscO1NHS6S04Dq43DU4rqyNGpVIS +KC4WQJz7TAliY5ejuwfmS0b5iipVVA8piG8iXXl9nKe0i09cepbQHID7twJ3xZo uMAWSVUJvu5Kv1qusulgjnI3O47QnZdR+cCHH3s0PyP0pox74+VKjfj6PzjOOw+Z LqqggLiymX4o3OAeYZlGbemhWzfTgoln/FhcNMjZbMof/wjtu/lZxVbLmQ/el7LN hVEuj+ViS/lZ1CO+y+K5effZPvMTURCxRDBzQalyynPSCrsEswVtIT/QQoI5uwP9 wbyFv09N+HItJIn7TRNl+lRI6I7PMmalMrHEFfGQRYPfPJomq2w68M+XvwVpOTr7 cVzAzLtr9KUjkHug/ILgN5qaUWn99oGkNXV1yyHhsOfWDc3hwwjEUsmoj8yI/Jg4 Q22mTyqwU1LlYc05cvJiJ9jbZYaQeuRHxqb2m+WIQd20IZM6jUuTFzIZhNgLVOSL 0+KKPRtGfUs0hjUzi3aXTC3N3Ibl/huFCv0/9zWQZhETouS5DHwZly1tZ8dXn0rd Yeh45DKjbux/qtDyS53ZNeEWadaoI9/+MPehpDy1RfMtiNxmeEo= =GC/b -----END PGP SIGNATURE----- --RxxJ9eg+2o8pr/p9-- --===============2237112391104340709== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============2237112391104340709==--