[U-Boot] [PATCH v4 6/7] arm: rmobile: kzm9g: Modify bus controller setting for CS4

Tetsuyuki Kobayshi
2012-07-17T05:13:11Z

From: Tetsuyuki Kobayashi <koba@kmckk.co.jp>

Problem:
Linux kernel hangs up when it write a file to NFS mounted directory.
Solution:
Modify bus controller setting for CS4, which connected smsc9221 ethernet
controller.

Detail:
Modify CS4BCR bit[29:28] (IWW[1:0]) from 00 to 01.
Modify CS4BCR bit[20:19] (IWRRD[1:0]) from 00 to 01.
Modify CS4BCR bit[17:16] (IWRRS[1:0]) from 00 to 01.
Modify CS4WCR bit[27:26] (WSW[1:0]) from 10 to 11
Modify CS4WCR bit[25:24] (WHW[1:0]) from 01 to 10
Modify CS4WCR bit[18:16] (WW[2:0]) from 101 to 111
Modify CS4WCR bit[13:11] (SW[2:0]) from 010 to 011
Modify CS4WCR bit[10:7] (WR[3:0]) from 1000 to 1011

Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
---
Changes for v3:
- New
Changes for v4:
- Modify values for CS4BCR and CS4WCR.

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 3716483..ed530fd 100644
--- a/board/kmc/kzm9g/kzm9g.c
+++ b/board/kmc/kzm9g/kzm9g.c
@@ -31,9 +31,10 @@
DECLARE_GLOBAL_DATA_PTR;

#define CS0BCR_D (0x06C00400)
-#define CS4BCR_D (0x06C00400)
+#define CS4BCR_D (0x16c90400)
#define CS0WCR_D (0x55062C42)
-#define CS4WCR_D (0x19051443)
+#define CS4WCR_D (0x1e071dc3)
+
#define CMNCR_BROMMD0 (1 << 21)
#define CMNCR_BROMMD1 (1 << 22)
#define CMNCR_BROMMD (CMNCR_BROMMD0|CMNCR_BROMMD1)
--
1.7.9.5