[U-Boot] [PATCH v2 8/9] arm: rmobile: kzm9g: enable I2C1

Tetsuyuki Kobayashi koba at kmckk.co.jp
Wed Sep 12 10:21:05 CEST 2012


Supply clock to I2C1 and release resetting.

Signed-off-by: Tetsuyuki Kobayashi <koba at kmckk.co.jp>
---
Changes for v2:
 - new

 board/kmc/kzm9g/kzm9g.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/board/kmc/kzm9g/kzm9g.c b/board/kmc/kzm9g/kzm9g.c
index 0679be6..93ca9d7 100644
--- a/board/kmc/kzm9g/kzm9g.c
+++ b/board/kmc/kzm9g/kzm9g.c
@@ -43,6 +43,7 @@ DECLARE_GLOBAL_DATA_PTR;
 #define SMSTPCR1_CMT0	(1 << 24)
 #define SMSTPCR1_I2C0	(1 << 16)
 #define SMSTPCR3_USB	(1 << 22)
+#define SMSTPCR3_I2C1	(1 << 23)
 
 #define PORT32CR (0xE6051020)
 #define PORT33CR (0xE6051021)
@@ -300,8 +301,8 @@ int board_early_init_f(void)
 
 	clrbits_le32(&cpg->smstpcr1, (SMSTPCR1_CMT0|SMSTPCR1_I2C0));
 	clrbits_le32(&cpg_srcr->srcr1, (SMSTPCR1_CMT0|SMSTPCR1_I2C0));
-	clrbits_le32(&cpg->smstpcr3, SMSTPCR3_USB);
-	clrbits_le32(&cpg_srcr->srcr3, SMSTPCR3_USB);
+	clrbits_le32(&cpg->smstpcr3, (SMSTPCR3_USB|SMSTPCR3_I2C1));
+	clrbits_le32(&cpg_srcr->srcr3, (SMSTPCR3_USB|SMSTPCR3_I2C1));
 	writel(VCLKCR1_D, &cpg->vclkcr1);
 
 	/* Setup SCIF4 / workaround */
-- 
1.7.9.5



More information about the U-Boot mailing list