From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web11.2405.1607988241608575840 for ; Mon, 14 Dec 2020 15:24:01 -0800 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: arm.com, ip: 217.140.110.172, mailfrom: jeremy.linton@arm.com) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 4C3A11FB; Mon, 14 Dec 2020 15:24:01 -0800 (PST) Received: from mammon-tx2.austin.arm.com (mammon-tx2.austin.arm.com [10.118.28.62]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 3CCDA3F66E; Mon, 14 Dec 2020 15:24:01 -0800 (PST) From: "Jeremy Linton" To: devel@edk2.groups.io Cc: ard.biesheuvel@arm.com, leif@nuviainc.com, pete@akeo.ie, andrey.warkentin@gmail.com, samer.el-haj-mahmoud@arm.com, Jeremy Linton Subject: [PATCH 6/7] Platform/RaspberryPi: Power up sd, and tweak GPIOs Date: Mon, 14 Dec 2020 17:23:49 -0600 Message-Id: <20201214232350.1192387-7-jeremy.linton@arm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201214232350.1192387-1-jeremy.linton@arm.com> References: <20201214232350.1192387-1-jeremy.linton@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable It seems we should be powering up the sd cards, and possibly the clocks as well to assure they are setup properly before we attempt to access the controller. Signed-off-by: Jeremy Linton --- Platform/RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Platform/RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c b/Platform/= RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c index 28f57438c5..8829740938 100644 --- a/Platform/RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c +++ b/Platform/RaspberryPi/Drivers/ConfigDxe/ConfigDxe.c @@ -552,6 +552,15 @@ ApplyVariables ( GpioPinFuncSet (37, GPIO_FSEL_ALT3);=0D GpioPinFuncSet (38, GPIO_FSEL_ALT3);=0D GpioPinFuncSet (39, GPIO_FSEL_ALT3);=0D +=0D + /*=0D + * power and clock everything by default=0D + */=0D + Status =3D mFwProtocol->SetPowerState (0, 1, 1); //SD on=0D + Status =3D mFwProtocol->SetGpioConfig (RPI_EXP_GPIO_SD_VOLT, =0D + RPI_EXP_GPIO_DIR_OUT, 1); //3.3= v=0D + Status =3D mFwProtocol->SetClockState (RPI_MBOX_CLOCK_RATE_EMMC2, 1)= ;=0D + Status =3D mFwProtocol->SetClockState (RPI_MBOX_CLOCK_RATE_EMMC, 1);= =0D }=0D } else {=0D DEBUG ((DEBUG_ERROR, "Model Family %d not supported...\n", mModelFamil= y));=0D --=20 2.13.7