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This patch addresses below things
- Renaming existing omap3_defconfig which has OMAP2, OMAP3 and OMAP4 builds
enabled to more appropriate name 'omap2plus_defconfig'
- L1 cache shift is suppose to be 5 on OMAP4 where as it is 6 on previous
OMAPs. Keeping it to 5 is safer option for OMAP4 and previous OMAPs. For
OMAP3 only build the shift would be still 6
- Enable needed Errata's for OMAP4 to work with DMA based device drivers
CONFIG_PL310_ERRATA_588369=y
CONFIG_ARM_ERRATA_720789=y
- Enable the Micrel ethernet controller
CONFIG_KS8851=y
CONFIG_KS8851_MLL=y
With above three changes, OMAP4 ethernet, mmc etc works reliably.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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With the recent changes to core ARM kernel code, we can now
boot SMP kernel on UP systems. Update omap3_defconfig to
enable SMP. This allows us to remove omap_4430sdp_defconfig.
In addition to enabling SMP, we also need to disable some
options to make the system boot:
- For some reason LOCK_STAT causes tons of
WARNING: at mm/percpu-vm.c:320 pcpu_alloc+0x2fc/0x888()
so disable it for now.
- MUSB init fails for multi-omap, disable it for now.
- LOCAL_TIMERS hangs on omap4, disable it for now.
Also disable DEBUG_LL as this should be only enabled for
debugging.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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Add stalker board to omap3_defconfig
Signed-off-by: Tony Lindgren <tony@atomide.com>
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- Update the omap3_defconfig to sync up with the generated .config
- Increase CONFIG_LOG_BUF_SHIFT to 16 to allow the entire
boot log to be captured
(useful when using boot time tracer, for example)
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Looks like CONFIG_FB_OMAP prevents somehow mounting root on MMC
at least on zoom3 for multi-omap. Disable CONFIG_FB until the
omap FB code is fixed.
This allows booting omap3_defconfig on various omaps. Tested on
2420-n8x0, 3430-n900, 3630-zoom3 and 4430-blaze. Note that n8x0
still has issues with starting user space because of TLS and
VFP.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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It's too noisy.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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These are needed for mounting root on MMC on many boards.
Also disable CONFIG_WATCHDOG_NOWAYOUT, that can keep the
system from running with external watchdogs.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The bootloader on Nokia boards does not support updating
the kernel cmdline. For the other boards, the bootloader
provided cmdline will be used instead.
To mount root on n8x0, compile in also the MMC_OMAP.
It seems that the best way to mount root with the
new kernels on Nokia boards is to mount root on mmcblk0p2.
Note that n8x0 current has several issues booting with
omap3_defconfig: The bootloader has a 2MB limit for loading
kernels, so you may want to use kexec. Also ARMv6 does
not currently work with ARMv7 for VFP and TLS.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Enable 2430 omaps and the missing boards.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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While waiting for the related USB patch, fix compile by enabling
it in the defconfigs. As discussed at:
http://thread.gmane.org/gmane.linux.usb.general/27432/focus=4460
Otherwise we'll get errors like:
drivers/usb/core/hcd.c:1892: error: 'pm_wq' undeclared (first use in this function)
drivers/usb/core/hcd.c:1892: error: (Each undeclared identifier is reported only once
drivers/usb/core/hcd.c:1892: error: for each function it appears in.)
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add omap4 into omap3_defconfig. Note that this does not
yet boot on omap4, but boots on omap2 and omap3.
Also note that CONFIG_SMP does not currently work on
uniprocessor ARMs.
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Note that booting 2420 depends on another patch posted earlier to not
select CONFIG_CPU_32v6K if CONFIG_ARCH_OMAP2 is selected.
Also note that we cannot add omap2430 in yet because of the different
clock addresses compared to 2420. Also note that we cannot have
CONFIG_CPU_32v6K=y in order to boot on 24xx.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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26-bit ARM support was removed a long time ago, and this symbol has
been defined to be 'y' ever since. As it's never disabled anymore,
we can kill it without any side effects.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Having one combined defconfig that is the superset of the individual
defconfigs for OMAP3 platforms is useful for easily finding build
errors. Not to mention convenient as a base if you want to boot several
platforms with a single kernel image.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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