Blackfin arch: fix bug - sometimes there is no response to the hitting key in uboot for bf561-ezkit when running with 50mhz SCLK
use 10 delays rather than 7
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c
index 367e2dc..b0a8f89 100644
--- a/arch/blackfin/kernel/reboot.c
+++ b/arch/blackfin/kernel/reboot.c
@@ -34,15 +34,15 @@
bfin_write_SWRST(0x7);
/* Due to the way reset is handled in the hardware, we need
- * to delay for 7 SCLKS. The only reliable way to do this is
- * to calculate the CCLK/SCLK ratio and multiply 7. For now,
+ * to delay for 10 SCLKS. The only reliable way to do this is
+ * to calculate the CCLK/SCLK ratio and multiply 10. For now,
* we'll assume worse case which is a 1:15 ratio.
*/
asm(
"LSETUP (1f, 1f) LC0 = %0\n"
"1: nop;"
:
- : "a" (15 * 7)
+ : "a" (15 * 10)
: "LC0", "LB0", "LT0"
);
