This patch replace 'le32_to_cpu' function with 'get_unaligend_le32' to
avoid unaligned access exception on some ARM platforms (ex Trats2).
Signed-off-by: Piotr Wilczek <p.wilc...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
CC: Minkyu Kang <mk7.k...@samsung.com>
CC: Anatolij Gustschin <ag...@denx.de>
---
common/lcd.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/common/lcd.c b/common/lcd.c
index edae835..577a452 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -42,6 +42,7 @@
#endif
#include <lcd.h>
#include <watchdog.h>
+#include <asm/unaligned.h>
#if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
defined(CONFIG_CPU_MONAHANS)
@@ -907,9 +908,9 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
return 1;
}
- width = le32_to_cpu(bmp->header.width);
- height = le32_to_cpu(bmp->header.height);
- bmp_bpix = le16_to_cpu(bmp->header.bit_count);
+ width = get_unaligned_le32(&bmp->header.width);
+ height = get_unaligned_le32(&bmp->header.height);
+ bmp_bpix = get_unaligned_le32(&bmp->header.bit_count);
colors = 1 << bmp_bpix;
bpix = NBITS(panel_info.vl_bpix);
@@ -994,7 +995,7 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
if ((y + height) > panel_info.vl_row)
height = panel_info.vl_row - y;
- bmap = (uchar *) bmp + le32_to_cpu(bmp->header.data_offset);
+ bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
fb = (uchar *) (lcd_base +
(y + height - 1) * lcd_line_length + x * bpix / 8);
@@ -1002,7 +1003,8 @@ int lcd_display_bitmap(ulong bmp_image, int x, int y)
case 1: /* pass through */
case 8:
#ifdef CONFIG_LCD_BMP_RLE8
- if (le32_to_cpu(bmp->header.compression) == BMP_BI_RLE8) {
+ if (get_unaligned_le32(&bmp->header.compression) ==
+ BMP_BI_RLE8) {
if (bpix != 16) {
/* TODO implement render code for bpix != 16 */
printf("Error: only support 16 bpix");
--
1.7.9.5
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