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| author | Eric Nelson <eric.nelson@boundarydevices.com> | 2014-04-29 14:37:56 -0700 |
|---|---|---|
| committer | Anatolij Gustschin <agust@denx.de> | 2014-04-30 11:15:45 +0200 |
| commit | a69214dc719862b8433608d7e914e51464dfd14c (patch) | |
| tree | f88b4d29bd6644036f1aa3ef575a6a44a8fa3259 /drivers | |
| parent | a405764c1ec835a41ccda943b9156aee25e15d5e (diff) | |
| download | u-boot-imx-a69214dc719862b8433608d7e914e51464dfd14c.zip u-boot-imx-a69214dc719862b8433608d7e914e51464dfd14c.tar.gz u-boot-imx-a69214dc719862b8433608d7e914e51464dfd14c.tar.bz2 | |
video: mxc_ipuv3_fb: stash frame buffer pointer in global data.
This patch updates the i.MX video driver to store the
frame-buffer address in the fb_base field of the global
data structure *gd.
By doing this, you can find the frame buffer address
using the 'bdinfo' command:
U-Boot > bdinfo
arch_number = 0x00000EB9
...
FB base = 0x4F35F1C0
This is very useful when debugging display connections.
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Acked-by: Otavio Salvador <otavio@ossystems.com.br>
Acked-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/mxc_ipuv3_fb.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/video/mxc_ipuv3_fb.c b/drivers/video/mxc_ipuv3_fb.c index 3e21fb2..f75d770 100644 --- a/drivers/video/mxc_ipuv3_fb.c +++ b/drivers/video/mxc_ipuv3_fb.c @@ -13,6 +13,7 @@ #include <common.h> #include <asm/errno.h> +#include <asm/global_data.h> #include <linux/string.h> #include <linux/list.h> #include <linux/fb.h> @@ -24,6 +25,8 @@ #include "mxcfb.h" #include "ipu_regs.h" +DECLARE_GLOBAL_DATA_PTR; + static int mxcfb_map_video_memory(struct fb_info *fbi); static int mxcfb_unmap_video_memory(struct fb_info *fbi); @@ -415,6 +418,8 @@ static int mxcfb_map_video_memory(struct fb_info *fbi) fbi->screen_size = fbi->fix.smem_len; + gd->fb_base = fbi->fix.smem_start; + /* Clear the screen */ memset((char *)fbi->screen_base, 0, fbi->fix.smem_len); |