[U-Boot] [PATCH v1 05/24] armv8/ls2085a: Enable cluster timebase for all clusters

York Sun yorksun at freescale.com
Tue Jan 6 22:18:43 CET 2015


LS2085A and its variants can have up to four clusters. It is safe
to enable timebase for all even some may be disabled.

Signed-off-by: York Sun <yorksun at freescale.com>
---

 board/freescale/ls2085a/ls2085a.c |   11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/board/freescale/ls2085a/ls2085a.c b/board/freescale/ls2085a/ls2085a.c
index 163a4c4..ee75d1b 100644
--- a/board/freescale/ls2085a/ls2085a.c
+++ b/board/freescale/ls2085a/ls2085a.c
@@ -59,8 +59,15 @@ int timer_init(void)
 	u32 __iomem *cntcr = (u32 *)CONFIG_SYS_FSL_TIMER_ADDR;
 	u32 __iomem *cltbenr = (u32 *)CONFIG_SYS_FSL_PMU_CLTBENR;
 
-	out_le32(cltbenr, 0x1);		/* enable cluster0 timebase */
-	out_le32(cntcr, 0x1);		/* enable clock for timer */
+	/* Enable timebase for all clusters.
+	 * It is safe to do so even some clusters are not enabled.
+	 */
+	out_le32(cltbenr, 0xf);
+
+	/* Enable clock for timer
+	 * This is a global setting.
+	 */
+	out_le32(cntcr, 0x1);
 
 	return 0;
 }
-- 
1.7.9.5



More information about the U-Boot mailing list