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authorAnton Vorontsov <avorontsov@ru.mvista.com>2008-04-28 02:14:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-28 08:58:35 -0700
commit7f29b87a7779505288a31df16ba84a85fc1ae93c (patch)
tree856acab5434b7e712010b5a13c2d5e6bfc55c3b5 /drivers/video
parente4c690e061b909127ab0f12e929f82f3f39ec953 (diff)
powerpc: offb: add support for foreign endianness
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/offb.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/video/offb.c b/drivers/video/offb.c
index 452433d46973..d7b3dcc0dc43 100644
--- a/drivers/video/offb.c
+++ b/drivers/video/offb.c
@@ -248,7 +248,7 @@ static void __iomem *offb_map_reg(struct device_node *np, int index,
static void __init offb_init_fb(const char *name, const char *full_name,
int width, int height, int depth,
int pitch, unsigned long address,
- struct device_node *dp)
+ int foreign_endian, struct device_node *dp)
{
unsigned long res_size = pitch * height * (depth + 7) / 8;
struct offb_par *par = &default_par;
@@ -397,7 +397,7 @@ static void __init offb_init_fb(const char *name, const char *full_name,
info->screen_base = ioremap(address, fix->smem_len);
info->par = par;
info->pseudo_palette = (void *) (info + 1);
- info->flags = FBINFO_DEFAULT;
+ info->flags = FBINFO_DEFAULT | foreign_endian;
fb_alloc_cmap(&info->cmap, 256, 0);
@@ -424,6 +424,15 @@ static void __init offb_init_nodriver(struct device_node *dp, int no_real_node)
u64 rstart, address = OF_BAD_ADDR;
const u32 *pp, *addrp, *up;
u64 asize;
+ int foreign_endian = 0;
+
+#ifdef __BIG_ENDIAN
+ if (of_get_property(dp, "little-endian", NULL))
+ foreign_endian = FBINFO_FOREIGN_ENDIAN;
+#else
+ if (of_get_property(dp, "big-endian", NULL))
+ foreign_endian = FBINFO_FOREIGN_ENDIAN;
+#endif
pp = of_get_property(dp, "linux,bootx-depth", &len);
if (pp == NULL)
@@ -509,7 +518,7 @@ static void __init offb_init_nodriver(struct device_node *dp, int no_real_node)
offb_init_fb(no_real_node ? "bootx" : dp->name,
no_real_node ? "display" : dp->full_name,
width, height, depth, pitch, address,
- no_real_node ? NULL : dp);
+ foreign_endian, no_real_node ? NULL : dp);
}
}