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arm: rmobile: kzm9g: Modify bus controller setting for CS4

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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>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
This commit is contained in:
Tetsuyuki Kobayashi 2012-07-16 19:13:11 +00:00 committed by Albert ARIBAUD
parent 087a277b1a
commit d95a96a072
1 changed files with 3 additions and 2 deletions
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5
board/kmc/kzm9g/kzm9g.c
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@ -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)