Date: Tue, 20 May 2014 21:20:03 +0900 (JST) From: SAITOU Toshihide <toshi@ruby.ocn.ne.jp> To: madis555@hot.ee Cc: freebsd-arm@freebsd.org Subject: Re: BBB MMC / SD detection instability with U-Boot 2014.04 (CPU 1GHz) Message-ID: <20140520.212003.232778263.toshi@ruby.ocn.ne.jp> In-Reply-To: <20140520.191001.03109216.toshi@ruby.ocn.ne.jp> References: <CADH-AwEYOYmxbP8zBWOXutR9GJDBsYP8uo=yu37fT49rJdhYzg@mail.gmail.com> <537ACDB2.9080808@hot.ee> <20140520.191001.03109216.toshi@ruby.ocn.ne.jp>
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In message: <20140520.191001.03109216.toshi@ruby.ocn.ne.jp>
SAITOU Toshihide <toshi@ruby.ocn.ne.jp> writes:
> In message: <537ACDB2.9080808@hot.ee>
> "Sulev-Madis Silber (ketas)" <madis555@hot.ee> writes:
>>
>> Actually I guess many people might think like me... "HELL, optimizing
>> boot time of 1min?! I have more important tasks to do than this".
>
> If you have ``device sdhci'' line in conf/BEAGLEBONE, is there any
> differences by changing mmchs to sdhci in am335x.dtsi and
> beaglebone-black.dts? And also remove ``status = "disabled"''
>
> It's needed for me to detect eMMC, and the perfomance is
> better: http://lists.freebsd.org/pipermail/freebsd-arm/2013-August/006332.html
>
> But I don't success to boot from eMMC yet with u-boot-2014.04. I need
> to change u-boot.
It was booted from eMMC, though it failed sometimes.
u-boot-2014.04.tar.bz2
patch
1. apply these patches:
http://lists.freebsd.org/pipermail/freebsd-arm/2014-April/007922.html
~/crochet-freebsd/board/BeagleBone/files/uboot-2013.04_api_api_storage.c.patch
~/crochet-freebsd/board/BeagleBone/files/uboot-2013.04_drivers_mmc_mmc.c.patch
patch -p1 or edit.
2. add followings to include/configs/am335x_evm.h:
#ifndef CONFIG_SPL_BUILD
#define CONFIG_CMD_ELF
#define CONFIG_API
#define CONFIG_SYS_MMC_MAX_DEVICE 2
#endif
3. comment WATCHDOG in include/configs/ti_am335x_common.h:
#define CONFIG_HW_WATCHDOG
#define CONFIG_OMAP_WATCHDOG
#define CONFIG_SPL_WATCHDOG_SUPPORT
build
gmake CROSS_COMPILE=arm-eabi- am335x_boneblack_config
gmake CROSS_COMPILE=arm-eabi-
uEnv.txt
bootdelay=2
fdtaddr=0x80000100
loadaddr=0x88000000
loaderdev=disk
fdtfile=beaglebo.dtb
bootdir=
bootfile=ubldr
mmcdev=1
mmcloados=mmc rescan
loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}
importbootenv=env import -t $loadaddr $filesize
findfdt=setenv fdtfile beaglebo.dtb
loadimage=fatload mmc ${mmcdev} ${loadaddr} ${bootfile}
loadfdt=fatload mmc ${mmcdev} ${fdtaddr} ${fdtfile}; fdt addr ${fdtaddr}
mmcboot=bootelf ${loadaddr}
nandboot=run mmcboot
Please ignore ``Card did not respond to voltage select!'' message.
--
SAITOU Toshihide
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