From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaehoon Chung Date: Thu, 25 May 2017 22:08:23 +0900 Subject: [U-Boot] [PATCH 01/33] mmc: select the available type from host_caps and card_caps In-Reply-To: <592691FD.101@rock-chips.com> References: <1494828447-24332-1-git-send-email-xzy.xu@rock-chips.com> <591A52C6.7020906@rock-chips.com> <9dcd15a4-12b9-459a-de46-93a8062a7362@samsung.com> <592691FD.101@rock-chips.com> Message-ID: <6af9e904-1f9a-5b41-e300-891857913099@samsung.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Ziyuan, On 05/25/2017 05:12 PM, Ziyuan wrote: > hi Jaehoon, > > On 05/16/2017 09:55 AM, Jaehoon Chung wrote: >> Hi Ziyuan, >> >> On 05/16/2017 10:15 AM, Ziyuan wrote: >>> hi Simon & Jaehoon, >>> >>> On 05/16/2017 08:18 AM, Simon Glass wrote: >>>> Hi Ziyuan, >>>> >>>> On 15 May 2017 at 00:06, Ziyuan Xu wrote: >>>>> The original implementation select HS timing by default, add available >>>>> type selection for higher speed mode compatibility, such as hs200, >>>>> hs400, hs400es. >>>>> >>>>> By the way, we assume that card run at 1.8V or 1.2V I/O when its timing >>>>> is ddr52/hs200/hs400(es). >>>>> >>>>> Signed-off-by: Ziyuan Xu >>>>> --- >>>>> >>>>> drivers/mmc/mmc.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++- >>>>> include/mmc.h | 16 +++++++++++++++ >>>>> 2 files changed, 74 insertions(+), 1 deletion(-) >>>>> >>>> Is there a cover letter for this series, please? >>> This patchset is used for hs200/hs400/ddr52 mode of eMMC device, and fixes some bug for dw_mmc & sdhci controller. >>> It's only valid in U-Boot stage, we still use 'High Speed' in SPL. >>> >>> I tested it on evb-rk3288 board(eMMC 4.5) and evb-rk3388 board(eMMC 5.0). >>>> I just reviewed an MMC series at add higher speed support. I'm not >>>> sure but I suspect these overlap. >>> Ha, I just reviewed Vignesh's patches, it focuses on uhs mode of sd card. It looks to me. >>> But some details are not the same as mine. Anyway, what do you think? >> I didn't review both yet..After checking, i will share my opinion. how about? > > *ping*... > Did you test this patchset on Samsung platform? As far as I know, Samsung SoCs also make use of dw_mmc and sdhci controllers. some details are not the same as yours..but some points are duplicated. DWMMC and sdhci controller side are not duplicated.. As i am feeling..your patches are based on Linux kernel code..right? > >> >>>> Regards, >>>> Simon >>>> >>>> >>>> >>> >>> >>> >>> >> >> >> > > > > >