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-rw-r--r--drivers/video/cirrusfb.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c
index 816433ffec9..6ea505c6f0c 100644
--- a/drivers/video/cirrusfb.c
+++ b/drivers/video/cirrusfb.c
@@ -314,7 +314,7 @@ static const struct zorrocl zcl_picasso4_z3 __devinitconst = {
.type = BT_PICASSO4,
.regoffset = 0x00600000,
.ramsize = 4 * MB_,
- .ramoffset = 0x01000000,
+ .ramoffset = 0x01000000, /* 0x02000000 for 64 MiB boards */
};
static const struct zorrocl zcl_picasso4_z2 __devinitconst = {
@@ -2259,6 +2259,10 @@ static int __devinit cirrusfb_zorro_register(struct zorro_dev *z,
ramsize = zcl->ramsize;
if (ramsize) {
rambase = zorro_resource_start(z) + zcl->ramoffset;
+ if (zorro_resource_len(z) == 64 * MB_) {
+ /* Quirk for 64 MiB Picasso IV */
+ rambase += zcl->ramoffset;
+ }
} else {
struct zorro_dev *ram = zorro_find_device(zcl->ramid, NULL);
if (!ram || !zorro_resource_len(ram)) {