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-rw-r--r--drivers/video/cfb_console.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index b38cbd4..92fa77d 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -360,6 +360,8 @@ void console_cursor(int state);
extern void video_get_info_str(int line_number, char *info);
#endif
+DECLARE_GLOBAL_DATA_PTR;
+
/* Locals */
static GraphicDevice *pGD; /* Pointer to Graphic array */
@@ -377,6 +379,8 @@ static int console_row; /* cursor row */
static u32 eorx, fgx, bgx; /* color pats */
+static int cfb_do_flush_cache;
+
static const int video_font_draw_table8[] = {
0x00000000, 0x000000ff, 0x0000ff00, 0x0000ffff,
0x00ff0000, 0x00ff00ff, 0x00ffff00, 0x00ffffff,
@@ -553,6 +557,8 @@ static void video_drawchars(int xx, int yy, unsigned char *s, int count)
SWAP32((video_font_draw_table32
[bits & 15][3] & eorx) ^ bgx);
}
+ if (cfb_do_flush_cache)
+ flush_cache((ulong)dest0, 32);
dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
s++;
}
@@ -621,6 +627,8 @@ static void video_invertchar(int xx, int yy)
for (x = firstx; x < lastx; x++) {
u8 *dest = (u8 *)(video_fb_address) + x + y;
*dest = ~*dest;
+ if (cfb_do_flush_cache)
+ flush_cache((ulong)dest, 4);
}
}
}
@@ -716,6 +724,8 @@ static void console_clear_line(int line, int begin, int end)
memsetl(offset + i * VIDEO_LINE_LEN, size, bgx);
}
#endif
+ if (cfb_do_flush_cache)
+ flush_cache((ulong)CONSOLE_ROW_FIRST, CONSOLE_SIZE);
}
static void console_scrollup(void)
@@ -1675,6 +1685,29 @@ static void *video_logo(void)
}
#endif
+static int cfb_fb_is_in_dram(void)
+{
+ bd_t *bd = gd->bd;
+#if defined(CONFIG_ARM) || defined(CONFIG_AVR32) || defined(COFNIG_NDS32) || \
+defined(CONFIG_SANDBOX) || defined(CONFIG_X86)
+ ulong start, end;
+ int i;
+
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
+ start = bd->bi_dram[i].start;
+ end = bd->bi_dram[i].start + bd->bi_dram[i].size - 1;
+ if ((ulong)video_fb_address >= start &&
+ (ulong)video_fb_address < end)
+ return 1;
+ }
+#else
+ if ((ulong)video_fb_address >= bd->bi_memstart &&
+ (ulong)video_fb_address < bd->bi_memstart + bd->bi_memsize)
+ return 1;
+#endif
+ return 0;
+}
+
static int video_init(void)
{
unsigned char color8;
@@ -1688,6 +1721,8 @@ static int video_init(void)
video_init_hw_cursor(VIDEO_FONT_WIDTH, VIDEO_FONT_HEIGHT);
#endif
+ cfb_do_flush_cache = cfb_fb_is_in_dram() && dcache_status();
+
/* Init drawing pats */
switch (VIDEO_DATA_FORMAT) {
case GDF__8BIT_INDEX: