| Commit message (Collapse) | Author | Age | Files | Lines |
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I.MX6+ version of the silicon exposed PCIe core's reset signal as a bit
in one of the control registers. As a result using old, pre-i.MX6+,
reset sequence on i.MX6+ leads to Barebox hanging during startup. Using
exposed reset bit instead solves the problem.
This commit is based on portions of commit
c34068d48273e24d392d9a49a38be807954420ed
in http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Based on the corresponding kernel driver with changes to make it
work on barebox.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is needed so that the IPU framebuffer scanout cannot be
starved by VPU or GPU activity.
Some boards like the SabreLite and SabreSD seem to set this in
the DCD already, but the documented register reset values do not
contain the necessary settings.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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