From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Wed, 13 Jul 2016 12:53:09 +0200 Subject: [U-Boot] [PATCH v2 4/4] ARM: configs: cm_fx6: add mtd support In-Reply-To: <56eb9245d4344b6dbac260fa6335eeb7@rwthex-s1-b.rwth-ad.de> References: <20160712213737.2303-1-christopher.spinrath@rwth-aachen.de> <56eb9245d4344b6dbac260fa6335eeb7@rwthex-s1-b.rwth-ad.de> Message-ID: <57861D95.60903@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 12/07/2016 23:37, christopher.spinrath at rwth-aachen.de wrote: > From: Christopher Spinrath > > The cm-fx6 module has an on-board spi flash chip. Enable mtd support > and the mtdparts command. Also define a default partitioning, add > it to the default environment, and enable support to overwrite the > partitioning defined in a device tree by it. Finally, probe for the > chip on preboot to register the flash chip and, thus, establish the > connection between the mtd environment settings and the actual device. > > These changes move the effective default partitioning from the device > tree shipped with the vendor kernels to U-Boot which becomes the single > point of definition for the partitioning for all device tree based > kernels (in particular, for the upstream Linux kernel which does not > have a default partitioning defined in its device tree). > > Signed-off-by: Christopher Spinrath > --- > > Notes: > Changes since v1: > - explain the "sf probe" command added to preboot in the commit message > > include/configs/cm_fx6.h | 19 ++++++++++++++++++- > 1 file changed, 18 insertions(+), 1 deletion(-) > > diff --git a/include/configs/cm_fx6.h b/include/configs/cm_fx6.h > index f054ca8..c839b03 100644 > --- a/include/configs/cm_fx6.h > +++ b/include/configs/cm_fx6.h > @@ -18,6 +18,7 @@ > #define CONFIG_MACH_TYPE 4273 > > /* CMD */ > +#define CONFIG_CMD_MTDPARTS > > /* MMC */ > #define CONFIG_SYS_FSL_USDHC_NUM 3 > @@ -53,6 +54,20 @@ > #define CONFIG_SF_DEFAULT_SPEED 25000000 > #define CONFIG_SF_DEFAULT_MODE (SPI_MODE_0) > > +/* MTD support */ > +#ifndef CONFIG_SPL_BUILD > +#define CONFIG_FDT_FIXUP_PARTITIONS > +#define CONFIG_MTD_DEVICE > +#define CONFIG_MTD_PARTITIONS > +#define CONFIG_SPI_FLASH_MTD > +#endif > + > +#define MTDIDS_DEFAULT "nor0=spi0.0" > +#define MTDPARTS_DEFAULT "mtdparts=spi0.0:" \ > + "768k(uboot)," \ > + "256k(uboot-environment)," \ > + "-(reserved)" > + > /* Environment */ > #define CONFIG_ENV_IS_IN_SPI_FLASH > #define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED > @@ -83,6 +98,8 @@ > "video_dvi=mxcfb0:dev=dvi,1280x800M-32 at 50,if=RGB32\0" \ > "doboot=bootm ${loadaddr}\0" \ > "doloadfdt=false\0" \ > + "mtdids=" MTDIDS_DEFAULT "\0" \ > + "mtdparts=" MTDPARTS_DEFAULT "\0" \ > "setboottypez=setenv kernel ${zImage};" \ > "setenv doboot bootz ${loadaddr} - ${fdtaddr};" \ > "setenv doloadfdt true;\0" \ > @@ -157,7 +174,7 @@ > "run setupnandboot;" \ > "run nandboot;" > > -#define CONFIG_PREBOOT "usb start" > +#define CONFIG_PREBOOT "usb start;sf probe" > > /* SPI */ > #define CONFIG_SPI > I put these on my queue list to be apply - I wait just for Nikita's ACK as board's maintainer. Reviewed-by: Stefano Babic Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================