From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: Marcin Wojtas <mw@semihalf.com>
Cc: "edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
"Leif Lindholm" <leif.lindholm@linaro.org>,
"Wu, Hao A" <hao.a.wu@intel.com>,
"Kinney, Michael D" <michael.d.kinney@intel.com>,
"Gao, Liming" <liming.gao@intel.com>,
"Nadav Haklai" <nadavh@marvell.com>,
"Jan Dąbroś" <jsd@semihalf.com>,
"Tomasz Michalec" <tm@semihalf.com>,
"Grzegorz Jaszczyk" <jaz@semihalf.com>
Subject: Re: [PATCH v3 3/4] MdeModulePkg/SdMmcPciHcDxe: Add SwitchClockFreqPost to SdMmcOverride
Date: Thu, 8 Nov 2018 12:09:07 +0100 [thread overview]
Message-ID: <CAKv+Gu-a6YPUzE8j0Xp+rvqM_D3Qw73G87Us9ybLX0FiTsNh4Q@mail.gmail.com> (raw)
In-Reply-To: <1541642255-15602-4-git-send-email-mw@semihalf.com>
On 8 November 2018 at 02:57, Marcin Wojtas <mw@semihalf.com> wrote:
> From: Tomasz Michalec <tm@semihalf.com>
>
> Some SD Host Controlers need to do additional opperations after clock
> frequency switch.
>
> This patch add new callback type to NotifyPhase of the SdMmcOverride
> protocol. It is called after EmmcSwitchClockFreq and SdMmcHcClockSupply.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Marcin Wojtas <mw@semihalf.com>
> ---
> MdeModulePkg/Include/Protocol/SdMmcOverride.h | 1 +
> MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c | 60 ++++++++++++++++++++
> MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c | 18 ++++++
> 3 files changed, 79 insertions(+)
>
> diff --git a/MdeModulePkg/Include/Protocol/SdMmcOverride.h b/MdeModulePkg/Include/Protocol/SdMmcOverride.h
> index f948bef..6160b5b 100644
> --- a/MdeModulePkg/Include/Protocol/SdMmcOverride.h
> +++ b/MdeModulePkg/Include/Protocol/SdMmcOverride.h
> @@ -48,6 +48,7 @@ typedef enum {
> EdkiiSdMmcInitHostPre,
> EdkiiSdMmcInitHostPost,
> EdkiiSdMmcUhsSignaling,
> + EdkiiSdMmcSwitchClockFreqPost,
> } EDKII_SD_MMC_PHASE_TYPE;
>
> /**
> diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c
> index 473df8d..6fc6871 100755
> --- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c
> +++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/EmmcDevice.c
> @@ -794,6 +794,27 @@ EmmcSwitchToHighSpeed (
>
> HsTiming = 1;
> Status = EmmcSwitchClockFreq (PciIo, PassThru, Slot, Rca, HsTiming, ClockFreq);
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
> +
> + if (mOverride != NULL && mOverride->NotifyPhase != NULL) {
> + Status = mOverride->NotifyPhase (
> + Private->ControllerHandle,
> + Slot,
> + EdkiiSdMmcSwitchClockFreqPost,
> + &Timing
> + );
> + if (EFI_ERROR (Status)) {
> + DEBUG ((
> + DEBUG_ERROR,
> + "%a: SD/MMC switch clock freq post notifier callback failed - %r\n",
> + __FUNCTION__,
> + Status
> + ));
> + return Status;
> + }
> + }
Is there a way we could move this into EmmcSwitchClockFreq() rather
than duplicate it?
>
> return Status;
> }
> @@ -904,6 +925,24 @@ EmmcSwitchToHS200 (
> return Status;
> }
>
> + if (mOverride != NULL && mOverride->NotifyPhase != NULL) {
> + Status = mOverride->NotifyPhase (
> + Private->ControllerHandle,
> + Slot,
> + EdkiiSdMmcSwitchClockFreqPost,
> + &Timing
> + );
> + if (EFI_ERROR (Status)) {
> + DEBUG ((
> + DEBUG_ERROR,
> + "%a: SD/MMC switch clock freq post notifier callback failed - %r\n",
> + __FUNCTION__,
> + Status
> + ));
> + return Status;
> + }
> + }
> +
> Status = EmmcTuningClkForHs200 (PciIo, PassThru, Slot, BusWidth);
>
> return Status;
> @@ -988,6 +1027,27 @@ EmmcSwitchToHS400 (
>
> HsTiming = 3;
> Status = EmmcSwitchClockFreq (PciIo, PassThru, Slot, Rca, HsTiming, ClockFreq);
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
> +
> + if (mOverride != NULL && mOverride->NotifyPhase != NULL) {
> + Status = mOverride->NotifyPhase (
> + Private->ControllerHandle,
> + Slot,
> + EdkiiSdMmcSwitchClockFreqPost,
> + &Timing
> + );
> + if (EFI_ERROR (Status)) {
> + DEBUG ((
> + DEBUG_ERROR,
> + "%a: SD/MMC switch clock freq post notifier callback failed - %r\n",
> + __FUNCTION__,
> + Status
> + ));
> + return Status;
> + }
> + }
>
> return Status;
> }
> diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c
> index 850ad26..5408bbc 100644
> --- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c
> +++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c
> @@ -887,6 +887,24 @@ SdCardSetBusMode (
> return Status;
> }
>
> + if (mOverride != NULL && mOverride->NotifyPhase != NULL) {
> + Status = mOverride->NotifyPhase (
> + Private->ControllerHandle,
> + Slot,
> + EdkiiSdMmcSwitchClockFreqPost,
> + &Timing
> + );
> + if (EFI_ERROR (Status)) {
> + DEBUG ((
> + DEBUG_ERROR,
> + "%a: SD/MMC switch clock freq post notifier callback failed - %r\n",
> + __FUNCTION__,
> + Status
> + ));
> + return Status;
> + }
> + }
> +
> if ((AccessMode == 3) || ((AccessMode == 2) && (Capability->TuningSDR50 != 0))) {
> Status = SdCardTuningClock (PciIo, PassThru, Slot);
> if (EFI_ERROR (Status)) {
> --
> 2.7.4
>
next prev parent reply other threads:[~2018-11-08 11:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-08 1:57 [PATCH v3 0/4] SdMmcOverride extension Marcin Wojtas
2018-11-08 1:57 ` [PATCH v3 1/4] MdeModulePkg/SdMmcPciHcDxe: Add an optional parameter in NotifyPhase Marcin Wojtas
2018-11-08 1:57 ` [PATCH v3 2/4] MdeModulePkg/SdMmcPciHcDxe: Add UhsSignaling to SdMmcOverride protocol Marcin Wojtas
2018-11-08 11:06 ` Ard Biesheuvel
2018-11-08 11:15 ` Marcin Wojtas
2018-11-08 1:57 ` [PATCH v3 3/4] MdeModulePkg/SdMmcPciHcDxe: Add SwitchClockFreqPost to SdMmcOverride Marcin Wojtas
2018-11-08 11:09 ` Ard Biesheuvel [this message]
2018-11-08 11:18 ` Marcin Wojtas
2018-11-08 1:57 ` [PATCH v3 4/4] MdeModulePkg/SdMmcPciHcDxe: Allow overriding base clock frequency Marcin Wojtas
2018-11-08 11:10 ` Ard Biesheuvel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-list from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAKv+Gu-a6YPUzE8j0Xp+rvqM_D3Qw73G87Us9ybLX0FiTsNh4Q@mail.gmail.com \
--to=devel@edk2.groups.io \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox