[U-Boot] [PATCH 1/3] arm: rmobile: alt: Enable channel 1 of sh-i2c
Nobuhiro Iwamatsu
nobuhiro.iwamatsu.yj at renesas.com
Mon Nov 10 01:16:43 CET 2014
Alt board was connected Power IC to channel 1 of sh-i2c. Source code that
controls this is already included, but channel 1 of sh-i2c is not enabled.
This enables channel 1 of sh-i2c, and can use.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj at renesas.com>
---
board/renesas/alt/alt.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/board/renesas/alt/alt.c b/board/renesas/alt/alt.c
index cf6d64c..083e007 100644
--- a/board/renesas/alt/alt.c
+++ b/board/renesas/alt/alt.c
@@ -49,6 +49,10 @@ void s_init(void)
#define SMSTPCR8 0xE6150990
#define ETHER_MSTP813 (1 << 13)
+#define MSTPSR3 0xE6150048
+#define SMSTPCR3 0xE615013C
+#define IIC1_MSTP323 (1 << 23)
+
#define mstp_setbits(type, addr, saddr, set) \
out_##type((saddr), in_##type(addr) | (set))
#define mstp_clrbits(type, addr, saddr, clear) \
@@ -69,6 +73,9 @@ int board_early_init_f(void)
/* ETHER */
mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
+ /* IIC1 / sh-i2c ch1 */
+ mstp_clrbits_le32(MSTPSR3, SMSTPCR3, IIC1_MSTP323);
+
return 0;
}
--
2.1.1
More information about the U-Boot
mailing list