This patch adds an option to skip the video initialization on for all
video drivers. This is needed for the CPCI750 which can be built as
CPCI host and adapter/target board. And the adapter board can't
access the video cards located on the CompactPCI bus.
Signed-off-by: Stefan Roese <s...@denx.de>
Cc: Anatolij Gustschin <ag...@denx.de>
Rebased against simplifying patch.
Signed-off-by: Wolfgang Denk <w...@denx.de>
---
drivers/video/cfb_console.c | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index f744d57..81b3131 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -1330,11 +1330,26 @@ static int video_init (void)
/*****************************************************************************/
+/*
+ * Implement a weak default function for boards that optionally
+ * need to skip the video initialization.
+ */
+int __board_video_skip(void)
+{
+ /* As default, don't skip test */
+ return 0;
+}
+int board_video_skip(void) __attribute__((weak, alias("__board_video_skip")));
+
int drv_video_init (void)
{
int skip_dev_init;
device_t console_dev;
+ /* Check if video initialization should be skipped */
+ if (board_video_skip())
+ return 0;
+
/* Init video chip - returns with framebuffer cleared */
skip_dev_init = (video_init () == -1)
--
1.6.0.6
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