]> git.karo-electronics.de Git - karo-tx-linux.git/commit
ARM: dts: Use better omap GPMC timings for LAN9220
authorTony Lindgren <tony@atomide.com>
Tue, 4 Nov 2014 00:48:16 +0000 (16:48 -0800)
committerTony Lindgren <tony@atomide.com>
Tue, 4 Nov 2014 00:48:16 +0000 (16:48 -0800)
commit13aec8e419ac1b02610fd7d550121bf286a3cf24
treebd8a5b9aaa062f3e6fdaf643d07005e7d5c5ce6d
parentb5399ea8453ac1ffe5c1515ba63afc978e242e7f
ARM: dts: Use better omap GPMC timings for LAN9220

With the GPMC warnings now enabled, I noticed the LAN9220 timings
can overflow the GPMC registers with 200MHz L3 speed. Earlier we
were just skipping the bad timings and would continue with the
bootloader timings. Now we no longer allow to continue with bad
timings as we have the timings in the .dts files.

We could start using the GPMC clock divider, but let's instead
use the u-boot timings that are known to be working and a bit
faster. These are basically the u-boot NET_GPMC_CONFIG[1-6]
defines deciphered. Except that we don't set gpmc,burst-length
as that's only partially configured and does not seem to work
if fully enabled.

[tony@atomide.com: updated to remove gpmc,burst-length]
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/boot/dts/omap-gpmc-smsc911x.dtsi
arch/arm/boot/dts/omap3-sb-t35.dtsi