Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

On Fri, Nov 3, 2017 at 7:25 PM, Benoît Thébaudeau wrote: > Thanks. If NXP could update the corresponding errata sheets, that > would be great. Agreed. I will check with them. Regards, Fabio Estevam ___ U-Boot mailing

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Fabio, On Fri, Nov 3, 2017 at 4:17 PM, Fabio Estevam wrote: > On Sun, Oct 29, 2017 at 7:18 PM, Benoît Thébaudeau > wrote: > >> Of course we can, but CONFIG_SYS_FSL_ERRATUM_ESDHC_A001 seems to be >> the most optimal approach here, so I'll

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Benoît, On Sun, Oct 29, 2017 at 7:18 PM, Benoît Thébaudeau wrote: > Of course we can, but CONFIG_SYS_FSL_ERRATUM_ESDHC_A001 seems to be > the most optimal approach here, so I'll wait for the answer from your > design team before doing anything. I received

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Benoît , On Sun, Oct 29, 2017 at 7:18 PM, Benoît Thébaudeau wrote: > Of course we can, but CONFIG_SYS_FSL_ERRATUM_ESDHC_A001 seems to be > the most optimal approach here, so I'll wait for the answer from your > design team before doing anything. I have just

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Fabio, On Tue, Oct 24, 2017 at 10:50 AM, Fabio Estevam wrote: > On Mon, Oct 23, 2017 at 8:45 PM, Benoît Thébaudeau > wrote: > >> The issue is the timeout in esdhc_setup_data() on line 309. If I >> revert e978a31b and fb823981, then

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Benoît, On Mon, Oct 23, 2017 at 8:45 PM, Benoît Thébaudeau wrote: > The issue is the timeout in esdhc_setup_data() on line 309. If I > revert e978a31b and fb823981, then everything works fine. However, the > latest calculation is correct, so reverting these

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Fabio, On Sat, Oct 21, 2017 at 2:38 PM, Fabio Estevam wrote: > On Sat, Oct 21, 2017 at 10:34 AM, Benoît Thébaudeau > wrote: > >> I already have a mainline version working at HS with changes only in >> fsl_esdhc.c (apart from the port of my

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Benoît, On Sat, Oct 21, 2017 at 10:34 AM, Benoît Thébaudeau wrote: > I already have a mainline version working at HS with changes only in > fsl_esdhc.c (apart from the port of my board). I still have to narrow > these changes down to the issue. Ok, great! >

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Fabio, On Fri, Oct 20, 2017 at 8:40 PM, Fabio Estevam wrote: > On Fri, Oct 20, 2017 at 10:40 AM, Benoît Thébaudeau > wrote: > >> With mainline U-Boot on my board, normal-speed SD cards work fine, but not HS >> ones. Both types of cards work fine at 48

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Benoît, On Fri, Oct 20, 2017 at 10:40 AM, Benoît Thébaudeau wrote: > With mainline U-Boot on my board, normal-speed SD cards work fine, but not HS > ones. Both types of cards work fine at 48 MHz with my custom and older U-Boot. Ok, great! What is the version of your old

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Fabio, On 19/10/2017 at 13:57, Fabio Estevam wrote: > > I would be interested to see if you can get an SD card high speed to > work with mainline U-Boot on your board. > > On my tests I need to force it 25MHz operation to be able to use the SD card. With mainline U-Boot on my board,

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

On 19/10/2017 at 14:52, Fabio Estevam wrote: > On Thu, Oct 19, 2017 at 10:46 AM, Otavio Salvador > wrote: > >> I think the original RFC is better as workaround as it solves the >> issue for other boards. This does not mean we shouldn't fix the root >> cause ...

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

On Thu, Oct 19, 2017 at 10:46 AM, Otavio Salvador wrote: > I think the original RFC is better as workaround as it solves the > issue for other boards. This does not mean we shouldn't fix the root > cause ... Actually I don't know if this issue happens with

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

On Thu, Oct 19, 2017 at 10:42 AM, Fabio Estevam wrote: > On Thu, Oct 19, 2017 at 9:57 AM, Fabio Estevam wrote: > >> On my tests I need to force it 25MHz operation to be able to use the SD card. > > A "less ugly" workaround that affects only mx25pdk: > >

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

On Thu, Oct 19, 2017 at 9:57 AM, Fabio Estevam wrote: > On my tests I need to force it 25MHz operation to be able to use the SD card. A "less ugly" workaround that affects only mx25pdk: --- a/board/freescale/mx25pdk/mx25pdk.c +++ b/board/freescale/mx25pdk/mx25pdk.c @@

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Benoît, On Wed, Oct 18, 2017 at 6:10 PM, Benoît Thébaudeau wrote: > Can you try with this? > > static const iomux_v3_cfg_t sdhc1_pads[] = { > NEW_PAD_CTRL(MX25_PAD_SD1_CMD__SD1_CMD, PAD_CTL_PUS_47K_UP | > PAD_CTL_SRE_FAST), >

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Benoît, On Wed, Oct 18, 2017 at 6:10 PM, Benoît Thébaudeau wrote: > Can you try with this? > > static const iomux_v3_cfg_t sdhc1_pads[] = { > NEW_PAD_CTRL(MX25_PAD_SD1_CMD__SD1_CMD, PAD_CTL_PUS_47K_UP | > PAD_CTL_SRE_FAST), >

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Fabio, On Wed, Oct 18, 2017 at 7:35 PM, Fabio Estevam wrote: > On Wed, Oct 18, 2017 at 2:56 PM, Benoît Thébaudeau wrote: > >> I can tell you what to use for imx25pdk if you give me the pads used by the >> eSDHC instance in question here. > > mx25pdk

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Benoît , On Wed, Oct 18, 2017 at 2:56 PM, Benoît Thébaudeau wrote: > I can tell you what to use for imx25pdk if you give me the pads used by the > eSDHC instance in question here. mx25pdk uses the POR default IOMUX settings for sdhc1: static const iomux_v3_cfg_t

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Fabio, On 18/10/2017 at 18:40, Fabio Estevam wrote: > On Wed, Oct 18, 2017 at 2:13 PM, Benoît Thébaudeau wrote: >> You can try to set the drive strength of all the eSDHC pads to high or max >> (for > > Looks like the eSDHC pins do not have drive strength control, only >

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Benoît, On Wed, Oct 18, 2017 at 2:13 PM, Benoît Thébaudeau wrote: > You could stress-test the SD read/write accesses from U-Boot. Does it occur > with > all HS cards? I am not able to run a stress-test because all SD card accesses fail. It happens with all HS cards I

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

On 18/10/2017 at 18:13, Benoît Thébaudeau wrote: > Hi Fabio, > > On 18/10/2017 at 17:57, Fabio Estevam wrote: >> Currently when a high speed SD card is connected on MX25 or MX51 boards >> the following error happens: >> >> U-Boot 2017.11-rc2 (Oct 18 2017 - 13:49:26 -0200) >> >> CPU: Freescale

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Hi Fabio, On 18/10/2017 at 17:57, Fabio Estevam wrote: > Currently when a high speed SD card is connected on MX25 or MX51 boards > the following error happens: > > U-Boot 2017.11-rc2 (Oct 18 2017 - 13:49:26 -0200) > > CPU: Freescale i.MX51 rev3.0 at 800 MHz > Reset cause: POR > Board: MX51EVK

Re: [U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

On Wed, Oct 18, 2017 at 1:57 PM, Fabio Estevam wrote: > Currently when a high speed SD card is connected on MX25 or MX51 boards > the following error happens: > > U-Boot 2017.11-rc2 (Oct 18 2017 - 13:49:26 -0200) > > CPU: Freescale i.MX51 rev3.0 at 800 MHz > Reset cause:

[U-Boot] [RFC] mmc: fsl_esdhc: Do not set high speed mode on MX25 and MX51

Currently when a high speed SD card is connected on MX25 or MX51 boards the following error happens: U-Boot 2017.11-rc2 (Oct 18 2017 - 13:49:26 -0200) CPU: Freescale i.MX51 rev3.0 at 800 MHz Reset cause: POR Board: MX51EVK DRAM: 512 MiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 *** Warning - read