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List:       openbsd-arm
Subject:    Re: OpenBSD on Olimex A20 OLinuXino LIME2?
From:       Jonathan Gray <jsg () jsg ! id ! au>
Date:       2019-10-26 14:07:02
Message-ID: 20191026140702.GD68582 () largo ! jsg ! id ! au
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On Sat, Oct 26, 2019 at 03:38:19PM +0200, Unicorn wrote:
> On Sat, 2019-10-26 at 21:54 +1100, Jonathan Gray wrote:
> > On Sat, Oct 26, 2019 at 09:38:20AM +0200, Unicorn wrote:
> > > Do you have advice on how to proceed? I assume I need to build it
> > > myself, but I don't know what exactly that entails. I would be
> > > happy to
> > > work on it though if you point me to the general steps I need to
> > > take.
> > 
> > Building all the boards in ports would take a while so for just this
> > one
> > assuming an existing OpenBSD host
> > 
> > Install packages
> > arm-none-eabi-gcc-linaro bison dtc swig gsed python (2.7)
> > 
> > ftp https://ftp.denx.de/pub/u-boot/u-boot-2019.10.tar.bz2
> > tar jxvf u-boot-2019.10.tar.bz2
> > patch -p0 < /path/to/patch
> > cd u-boot-2019.10
> > mkdir -p build
> > gmake PYTHON=python2.7 CROSS_COMPILE="arm-none-eabi-" \
> > O=build A20-OLinuXino-Lime2-eMMC_defconfig
> > gmake PYTHON=python2.7 CROSS_COMPILE="arm-none-eabi-" \
> > O=build all
> > 
> > The file you need will be build/u-boot-sunxi-with-spl.bin
> > 
> > diff -upr u-boot-2019.10.orig/configs/A20-OLinuXino-Lime2-
> > eMMC_defconfig u-boot-2019.10/configs/A20-OLinuXino-Lime2-
> > eMMC_defconfig
> > --- u-boot-2019.10.orig/configs/A20-OLinuXino-Lime2-eMMC_defconfig	
> > Sat Oct 26 21:36:23 2019
> > +++ u-boot-2019.10/configs/A20-OLinuXino-Lime2-eMMC_defconfig	Sat Oct
> > 26 21:37:03 2019
> > @@ -11,6 +11,7 @@ CONFIG_USB0_VBUS_DET="PH5"
> > CONFIG_I2C1_ENABLE=y
> > CONFIG_SATAPWR="PC3"
> > CONFIG_SPL_SPI_SUNXI=y
> > +CONFIG_GMAC_TX_DELAY=4
> > CONFIG_AHCI=y
> > # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
> > CONFIG_USE_PREBOOT=y
> > @@ -25,6 +26,8 @@ CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-olinuxino-
> > lime2-
> > CONFIG_SCSI_AHCI=y
> > CONFIG_DFU_RAM=y
> > CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
> > +CONFIG_PHY_MICREL=y
> > +CONFIG_PHY_MICREL_KSZ90X1=y
> > CONFIG_ETH_DESIGNWARE=y
> > CONFIG_RGMII=y
> > CONFIG_MII=y
> > diff -upr u-boot-2019.10.orig/scripts/check-config.sh u-boot-
> > 2019.10/scripts/check-config.sh
> > --- u-boot-2019.10.orig/scripts/check-config.sh	Sat Oct 26
> > 21:36:30 2019
> > +++ u-boot-2019.10/scripts/check-config.sh	Sat Oct 26 21:36:46
> > 2019
> > @@ -39,12 +39,12 @@ new_adhoc="${path}.adhoc"
> > export LC_ALL=C
> > export LC_COLLATE=C
> > 
> > -cat ${path} |sed -n 's/^#define \(CONFIG_[A-Za-z0-9_]*\).*/\1/p'
> > > sort |uniq \
> > +cat ${path} | gsed -n 's/^#define \(CONFIG_[A-Za-z0-9_]*\).*/\1/p'
> > > sort |uniq \
> > 	>${configs}
> > 
> > comm -23 ${configs} ${whitelist} > ${suspects}
> > 
> > -cat `find ${srctree} -name "Kconfig*"` |sed -n \
> > +cat `find ${srctree} -name "Kconfig*"` | gsed -n \
> > 	-e 's/^\s*config *\([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \
> > 	-e 's/^\s*menuconfig \([A-Za-z0-9_]*\).*$/CONFIG_\1/p' \
> > 	|sort |uniq > ${ok}
> > 
> 
> This did the trick, thank you!
> Working perfectly now on Rev. K; internet works, installing as I write
> this.
> 
> Is there a way to get this supported or at least the package updated to
> make this more accessible to others with the same board? I could also
> contact Olimex about this if there is something they could do.

To do this in a way that does not break older revisions the eeprom
would need to be parsed to get the revision and then make the delay
conditional.

https://github.com/OLIMEX/OLINUXINO/blob/master/SOFTWARE/A20/A20-eeprom-contents/Olimex-A20-EEPROM-October-2019.pdf


There is code to do that along with many other changes in the olimex
repository but it appears to be missing from upstream U-Boot.


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