This patch adds an option to skip the video initialization on the ct6900. 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.
Signed-off-by: Stefan Roese sr@denx.de Cc: Anatolij Gustschin agust@denx.de --- drivers/video/ct69000.c | 16 +++++++++++++++- 1 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/drivers/video/ct69000.c b/drivers/video/ct69000.c index ae219cc..6a5243b 100644 --- a/drivers/video/ct69000.c +++ b/drivers/video/ct69000.c @@ -964,6 +964,16 @@ static struct pci_device_id supported[] = { {} };
+/* + * Implement a weak default function for boards that optionally + * need to skip the video initialization. + */ +int __board_video_skip(void) +{ + return 0; +} +int board_video_skip(void) __attribute__((weak, alias("__board_video_skip"))); + /******************************************************************************* * * Init video chip @@ -982,8 +992,12 @@ video_hw_init (void) struct ctfb_res_modes *res_mode; struct ctfb_res_modes var_mode; struct ctfb_chips_properties *chips_param; - /* Search for video chip */
+ /* Check if video initialization should be skipped */ + if (board_video_skip()) + return NULL; + + /* Search for video chip */ if ((devbusfn = pci_find_devices (supported, 0)) < 0) { #ifdef CONFIG_VIDEO_ONBOARD printf ("Video: Controller not found !\n");