[U-Boot] [PATCH v5 1/5] spl: dm: disable SPI DM flash for non-DM SPL
Xiaowei Bao
xiaowei.bao at nxp.com
Fri Aug 23 06:23:50 UTC 2019
> -----Original Message-----
> From: Lukasz Majewski <lukma at denx.de>
> Sent: 2019年8月23日 4:48
> To: Xiaowei Bao <xiaowei.bao at nxp.com>
> Cc: wd at denx.de; Ruchika Gupta <ruchika.gupta at nxp.com>; Shengzhou Liu
> <shengzhou.liu at nxp.com>; jagan at amarulasolutions.com; Prabhakar
> Kushwaha <prabhakar.kushwaha at nxp.com>; u-boot at lists.denx.de; Jiafei
> Pan <jiafei.pan at nxp.com>; Chuanhua Han <chuanhua.han at nxp.com>
> Subject: Re: [U-Boot] [PATCH v5 1/5] spl: dm: disable SPI DM flash for
> non-DM SPL
>
> On Thu, 22 Aug 2019 01:56:48 +0000
> Xiaowei Bao <xiaowei.bao at nxp.com> wrote:
>
> > > -----Original Message-----
> > > From: Lukasz Majewski <lukma at denx.de>
> > > Sent: 2019年8月20日 17:50
> > > To: Xiaowei Bao <xiaowei.bao at nxp.com>
> > > Cc: wd at denx.de; Ruchika Gupta <ruchika.gupta at nxp.com>; Shengzhou
> Liu
> > > <shengzhou.liu at nxp.com>; jagan at amarulasolutions.com; Prabhakar
> > > Kushwaha <prabhakar.kushwaha at nxp.com>; u-boot at lists.denx.de; Jiafei
> > > Pan <jiafei.pan at nxp.com>; Chuanhua Han <chuanhua.han at nxp.com>
> > > Subject: Re: [U-Boot] [PATCH v5 1/5] spl: dm: disable SPI DM flash
> > > for non-DM SPL
> > >
> > > On Tue, 20 Aug 2019 09:00:40 +0000
> > > Xiaowei Bao <xiaowei.bao at nxp.com> wrote:
> > >
> > > > > -----Original Message-----
> > > > > From: Lukasz Majewski <lukma at denx.de>
> > > > > Sent: 2019年8月20日 16:20
> > > > > To: Xiaowei Bao <xiaowei.bao at nxp.com>
> > > > > Cc: wd at denx.de; Ruchika Gupta <ruchika.gupta at nxp.com>;
> Shengzhou
> > > Liu
> > > > > <shengzhou.liu at nxp.com>; jagan at amarulasolutions.com; Prabhakar
> > > > > Kushwaha <prabhakar.kushwaha at nxp.com>; u-boot at lists.denx.de;
> > > > > Jiafei Pan <jiafei.pan at nxp.com>; Chuanhua Han
> > > > > <chuanhua.han at nxp.com> Subject: Re: [U-Boot] [PATCH v5 1/5]
> > > > > spl: dm: disable SPI DM flash for non-DM SPL
> > > > >
> > > > > On Tue, 20 Aug 2019 07:51:18 +0000 Xiaowei Bao
> > > > > <xiaowei.bao at nxp.com> wrote:
> > > > >
> > > > > > > -----Original Message-----
> > > > > > > From: Lukasz Majewski <lukma at denx.de>
> > > > > > > Sent: 2019年8月20日 15:43
> > > > > > > To: Xiaowei Bao <xiaowei.bao at nxp.com>
> > > > > > > Cc: wd at denx.de; Ruchika Gupta <ruchika.gupta at nxp.com>;
> > > Shengzhou
> > > > > Liu
> > > > > > > <shengzhou.liu at nxp.com>; jagan at amarulasolutions.com;
> > > > > > > Prabhakar Kushwaha <prabhakar.kushwaha at nxp.com>;
> > > > > > > u-boot at lists.denx.de; Jiafei Pan <jiafei.pan at nxp.com>; Pan
> > > > > > > Jiafei <Jiafei.Pan at freescale.com>; Chuanhua Han
> > > <chuanhua.han at nxp.com>
> > > > > > > Subject: Re: [U-Boot] [PATCH v5 1/5] spl: dm: disable SPI DM
> > > > > > > flash for non-DM SPL
> > > > > > >
> > > > > > > On Tue, 20 Aug 2019 07:27:39 +0000 Xiaowei Bao
> > > > > > > <xiaowei.bao at nxp.com> wrote:
> > > > > > >
> > > > > > > > > -----Original Message-----
> > > > > > > > > From: Lukasz Majewski <lukma at denx.de>
> > > > > > > > > Sent: 2019年8月20日 15:14
> > > > > > > > > To: Xiaowei Bao <xiaowei.bao at nxp.com>
> > > > > > > > > Cc: wd at denx.de; Ruchika Gupta <ruchika.gupta at nxp.com>;
> > > > > Shengzhou
> > > > > > > Liu
> > > > > > > > > <shengzhou.liu at nxp.com>; jagan at amarulasolutions.com;
> > > > > > > > > Prabhakar Kushwaha <prabhakar.kushwaha at nxp.com>;
> > > > > > > > > u-boot at lists.denx.de; Jiafei Pan <jiafei.pan at nxp.com>;
> > > > > > > > > Pan Jiafei <Jiafei.Pan at freescale.com>; Chuanhua Han
> > > > > <chuanhua.han at nxp.com>
> > > > > > > > > Subject: Re: [U-Boot] [PATCH v5 1/5] spl: dm: disable
> > > > > > > > > SPI DM flash for non-DM SPL
> > > > > > > > >
> > > > > > > > > Hi Xiaowei,
> > > > > > > > >
> > > > > > > > > > From: Chuanhua Han <chuanhua.han at nxp.com>
> > > > > > > > > >
> > > > > > > > > > This patch solves the problem that spiboot cannot be
> > > > > > > > > > performed in non-DM SPL.
> > > > > > > > >
> > > > > > > > > I've posted recently a set of patches to move setting of
> > > > > > > > > DM_SPI_FLASH to Kconfig:
> > > > > > > > > https://patchwork.ozlabs.org/cover/1146494/
> > > > > > > > >
> > > > > > > > > Please rebase your work on top of it.
> > > > > > > > Did this set of patches merge to the u-boot mainline?
> > > > > > >
> > > > > > > Those patches were not yet accepted to mainline.
> > > > > > >
> > > > > > > > Do I need to
> > > > > > > > depend on your patches?
> > > > > > >
> > > > > > > It would be best to avoid duplicating the effort.
> > > > > > >
> > > > > > > > If yes, please provide the full patches link, I can't see
> > > > > > > > the contents of this set of patches.
> > > > > > >
> > > > > > > When you open the link:
> > > > > > > https://patchwork.ozlabs.org/cover/1146494/
> > > > > > >
> > > > > > > On top left you have:
> > > > > > > "Related" -> "show"
> > > > > > >
> > > > > > > After clicking on it you will see the list of patches.
> > > > > > >
> > > > > > > You may also want to use "Series" on top right and download
> > > > > > > the whole patch series.
> > > > > > I have check these set of patches, it don't impact my patches,
> > > > > > my patches implemented the ESPI DM driver of POWERPC.
> > > > >
> > > > > But you add:
> > > > >
> > > > > +#undef CONFIG_DM_SPI_FLASH
> > > > >
> > > > > for SPL, Which is problematic as explained in the patch set.
> > > > Can I modify the patches like this?
> > > > diff --git a/include/config_uncmd_spl.h
> > > > b/include/config_uncmd_spl.h index da94b3d..c2f9735 100644
> > > > --- a/include/config_uncmd_spl.h
> > > > +++ b/include/config_uncmd_spl.h
> > > > @@ -15,7 +15,6 @@
> > > > #undef CONFIG_DM_GPIO
> > > > #undef CONFIG_DM_I2C
> > > > #undef CONFIG_DM_SPI
> > > > -#undef CONFIG_DM_SPI_FLASH
> > > > #endif
> > > >
> > > > #undef CONFIG_DM_WARN
> > > > diff --git a/include/configs/T208xQDS.h
> > > > b/include/configs/T208xQDS.h index 98bb334..b45ec4a 100644
> > > > --- a/include/configs/T208xQDS.h
> > > > +++ b/include/configs/T208xQDS.h
> > > > @@ -10,6 +10,13 @@
> > > > #ifndef __T208xQDS_H
> > > > #define __T208xQDS_H
> > > >
> > > > +/* SPI Flash Configs */
> > > > +#if defined(CONFIG_SPL_BUILD)
> > > > +#undef CONFIG_DM_SPI
> > > > +#undef CONFIG_DM_SPI_FLASH
> > > > +#undef CONFIG_SPI_FLASH_MTD
> > > > +#endif
> > >
> > > The whole point is to avoid adding the above code.
> > >
> > > The rationale for this can be found in the commit message:
> > > https://patchwork.ozlabs.org/patch/1146375/
> > Hi Lukasz, thanks for your comments, ask a question, I modify my
> > driver like this: diff --git a/drivers/spi/fsl_espi.c
> > b/drivers/spi/fsl_espi.c index fd5ac97..54be036 100644
> > --- a/drivers/spi/fsl_espi.c
> > +++ b/drivers/spi/fsl_espi.c
> > @@ -367,6 +367,7 @@ void espi_setup_slave(struct fsl_spi_slave *fsl)
> > * 10), spi_freq);/* Set eSPI BRG
> clock
> > source */ }
> >
> > #ifndef CONFIG_DM_SPI
> > +#if !CONFIG_IS_ENABLED(DM_SPI)
> > int spi_cs_is_valid(unsigned int bus, unsigned int cs) {
> >
> > diff --git a/configs/T2080QDS_SPIFLASH_defconfig
> > b/configs/T2080QDS_SPIFLASH_defconfig index 7a1c580..cf53e54 100644
> > --- a/configs/T2080QDS_SPIFLASH_defconfig
> > +++ b/configs/T2080QDS_SPIFLASH_defconfig
> > @@ -80,3 +80,5 @@ CONFIG_DM_SPI=y
> > CONFIG_DM_SPI_FLASH=y
> > +CONFIG_SPL_DM_SPI=y
> > +CONFIG_SPL_DM_SPI_FLASH=y
> >
> > When I compile the driver with SPL mode, the DM or non DM mode cod
> > will be compiled together, I think CONFIG_IS_ENABLED(DM_SPI) is 0 or
> > 1, so the DM code or non DM code will be compiled, but not both, this
> > make me confused, do I miss something, could you tell me the reason?
> > Thanks a lot.
>
> So the CONFIG_IS_ENABLED(FOO) is true if:
>
> 1. The CONFIG_FOO is defined in Kconfig files (if it is defined
> in ./include/configs/<board.h> then CONFIG_IS_ENABLED will return false,
> which is wrong).
>
> 2. The CONFIG_IS_ENABLED(FOO) is true if in Kconfig you have defined
> CONFIG_FOO
>
> 3. CONFIG_IS_ENABLED(FOO) is true if in Kconfig you have defined
> CONFIG_SPL_FOO
>
> So the CONFIG_IS_ENABLED(FOO) shall be used in conjunction with
> CONFIG_DM_FOO (SPI in your case).
Thanks a lot, got it.
>
>
> >
> > >
> > > > +
> > > > >
> > > > > > >
> > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > Signed-off-by: Pan Jiafei <Jiafei.Pan at freescale.com>
> > > > > > > > > > Signed-off-by: Chuanhua Han <chuanhua.han at nxp.com>
> > > > > > > > > > ---
> > > > > > > > > > Changes in v5:
> > > > > > > > > > - No change.
> > > > > > > > > > Changes in v4:
> > > > > > > > > > - No change.
> > > > > > > > > > Changes in v3:
> > > > > > > > > > - Add a cover-letter for this patch set.
> > > > > > > > > > Changes in v2:
> > > > > > > > > > - No change.
> > > > > > > > > >
> > > > > > > > > > include/config_uncmd_spl.h | 1 +
> > > > > > > > > > 1 file changed, 1 insertion(+)
> > > > > > > > > >
> > > > > > > > > > diff --git a/include/config_uncmd_spl.h
> > > > > > > > > > b/include/config_uncmd_spl.h index c2f9735..da94b3d
> > > > > > > > > > 100644 --- a/include/config_uncmd_spl.h
> > > > > > > > > > +++ b/include/config_uncmd_spl.h
> > > > > > > > > > @@ -15,6 +15,7 @@
> > > > > > > > > > #undef CONFIG_DM_GPIO #undef CONFIG_DM_I2C
> #undef
> > > > > > > > > > CONFIG_DM_SPI
> > > > > > > > > > +#undef CONFIG_DM_SPI_FLASH
> > > > > > > > > > #endif
> > > > > > > > > >
> > > > > > > > > > #undef CONFIG_DM_WARN
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > Best regards,
> > > > > > > > >
> > > > > > > > > Lukasz Majewski
> > > > > > > > >
> > > > > > > > > --
> > > > > > > > >
> > > > > > > > > DENX Software Engineering GmbH, Managing Director:
> > > > > > > > >
> > > > > Wolfgang
> > > > > > > > > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194
> > > > > > > > > Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax:
> > > > > > > > > (+49)-8142-66989-80 Email: lukma at denx.de
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > Best regards,
> > > > > > >
> > > > > > > Lukasz Majewski
> > > > > > >
> > > > > > > --
> > > > > > >
> > > > > > > DENX Software Engineering GmbH, Managing Director:
> > > Wolfgang
> > > > > > > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194
> > > > > > > Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax:
> > > > > > > (+49)-8142-66989-80 Email: lukma at denx.de
> > > > >
> > > > >
> > > > >
> > > > > Best regards,
> > > > >
> > > > > Lukasz Majewski
> > > > >
> > > > > --
> > > > >
> > > > > DENX Software Engineering GmbH, Managing Director:
> Wolfgang
> > > > > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194
> > > > > Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax:
> > > > > (+49)-8142-66989-80 Email: lukma at denx.de
> > >
> > >
> > >
> > > Best regards,
> > >
> > > Lukasz Majewski
> > >
> > > --
> > >
> > > DENX Software Engineering GmbH, Managing Director: Wolfgang
> > > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell,
> > > Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email:
> > > lukma at denx.de
>
>
>
> Best regards,
>
> Lukasz Majewski
>
> --
>
> DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email:
> lukma at denx.de
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