lcd: Add support for flushing LCD fb from dcache after update
This provides an option for the LCD to flush the dcache after each update
(puts, scroll or clear).
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/common/main.c b/common/main.c
index 592ce07..5fdfff2 100644
--- a/common/main.c
+++ b/common/main.c
@@ -1041,8 +1041,16 @@
puts (tab_seq+(col&07));
col += 8 - (col&07);
} else {
- ++col; /* echo input */
- putc (c);
+ char buf[2];
+
+ /*
+ * Echo input using puts() to force am
+ * LCD flush if we are using an LCD
+ */
+ ++col;
+ buf[0] = c;
+ buf[1] = '\0';
+ puts(buf);
}
*p++ = c;
++n;