u-boot.git/drivers/video, branch v2011.06

powerpc: use 'video-mode' environment variable to configure DIU

2011-04-28T19:31:16+00:00

Use the 'video-mode' environment variable (for Freescale chips that have a
DIU display controller) to designate the full video configuration.  Previously,
the DIU driver used the 'monitor' variable, and it was used only to determine
the output video port.

The old definition of the "monitor" environment variable only determines
which video port to use for output.  This variable was set to a number (0,
1, or sometimes 2) to specify a DVI, LVDS, or Dual-LVDS port.  The
resolution was hard-coded into board-specific code.  The Linux command-line
arguments needed to be hard-coded to the proper video definition string.

Signed-off-by: Timur Tabi 
Signed-off-by: Anatolij Gustschin

video: parse the video-mode environment variable

2011-04-28T19:31:02+00:00

Add function video_get_video_mode(), which parses the "video-mode" environment
variable and returns each of its components.  The format matches the video=
command-line option used for Linux:

	video-mode=:x-@<,option=string>

	 The video driver, ignored by U-Boot
	 The X resolution (in pixels) to use.
	 The Y resolution (in pixels) to use.
	 The color depth (in bits) to use.
	 The frequency (in Hz) to use.
	 A comma-separated list of device-specific options

Signed-off-by: Timur Tabi

cfb_console: fix RLE bitmap drawing code

2011-04-28T19:30:46+00:00

There seems to be tools producing incorrect 'end of bitmap data'
markers '0100' in a RLE bitmap. Drawing such bitmaps can result
in overwriting memory above the frame buffer. E.g. on MPC5121e
based boards this memory can contain U-Boot environment.

We may not rely on the correct end of bitmap data marker 0001
only, but also have to check whether we are going to draw a
valid frame buffer scan line.

The patch provides a fix by maintaining a pixel counter
which is incremented by the amount of pixels we are going
to draw. If the counter exceeds frame buffer pixels limit
we stop the drawing with the error message.

Reported-by: Michael Weiss 
Signed-off-by: Anatolij Gustschin 
Tested-by: Anatolij Gustschin

IMX: MX31: Cleanup include files and drop nasty #ifdef in drivers

2011-04-27T17:38:05+00:00

As exception among the i.MX processors, the i.MX31 has headers
without general names (mx31-regs.h, mx31.h instead of imx-regs.h and
clock.h). This requires several nasty #ifdef in the drivers to
include the correct header. The patch cleans up the driver and
renames the header files as for the other i.MX processors.

Signed-off-by: Stefano Babic

video/mx3fb: fix clock divider

2010-12-17T20:24:02+00:00

Fix clock divider for COM57H5M10XRC display.
The previous setting caused flicker.

Tested on Qong (EVBLite with COM57H5M10XRC).

Signed-off-by: Stefano Babic 
Acked-by: Wolfgang Denk 
Acked-by: Anatolij Gustschin

video: move fsl_diu_fb driver to drivers/video

2010-12-01T19:48:13+00:00

Since the driver is used not only on Freescale boards,
we move it to a common place for video drivers as
suggested by Wolfgang. The patch also cleans up the
top level Makefile.

Signed-off-by: Anatolij Gustschin

Switch from archive libraries to partial linking

2010-11-17T20:02:18+00:00

Before this commit, weak symbols were not overridden by non-weak symbols
found in archive libraries when linking with recent versions of
binutils.  As stated in the System V ABI, "the link editor does not
extract archive members to resolve undefined weak symbols".

This commit changes all Makefiles to use partial linking (ld -r) instead
of creating library archives, which forces all symbols to participate in
linking, allowing non-weak symbols to override weak symbols as intended.
This approach is also used by Linux, from which the gmake function
cmd_link_o_target (defined in config.mk and used in all Makefiles) is
inspired.

The name of each former library archive is preserved except for
extensions which change from ".a" to ".o".  This commit updates
references accordingly where needed, in particular in some linker
scripts.

This commit reveals board configurations that exclude some features but
include source files that depend these disabled features in the build,
resulting in undefined symbols.  Known such cases include:
- disabling CMD_NET but not CMD_NFS;
- enabling CONFIG_OF_LIBFDT but not CONFIG_QE.

Signed-off-by: Sebastien Carlier

MX51: Add video support

2010-10-21T22:05:05+00:00

Add framebuffer driver for the MX51 processor
working on the IPUv3 internal graphic processor.
The port is based on the driver found in the kernel
delivered by Freescale as part of i.MX BSP:

[kernel 2.6.31 commit cc4fe714041805997b601fe8e5dd585d8a99297f]

[agust@denx.de: some style fixes and dead code removal]
Signed-off-by: Stefano Babic 
Signed-off-by: Anatolij Gustschin

MX51: Add IPU driver for video support

2010-10-21T22:05:05+00:00

The patch is a porting of the IPU Linux driver
developed by Freescale to have framebuffer
functionalities in u-boot. The port is based on
kernel 2.6.31 commit cc4fe714041805997b601fe8e5dd585d8a99297f,
as delivered by Freescale [i.MX BSP].
Most features are dropped from the original driver and
only LCD support is the goal of this porting.

Signed-off-by: Stefano Babic

Merge branch 'master' of git://git.denx.de/u-boot-imx

2010-10-17T17:57:38+00:00