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 sr@denx.de Cc: Anatolij Gustschin agust@denx.de
Rebased against simplifying patch. Signed-off-by: Wolfgang Denk wd@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)