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ARM: S3C24XX: Add BWSCON per-bank information. 

Add definitions and an accessor macro to deal with
reading bus information from S3C2410_BWSCON for any
given numbered bank.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2009-07-30 23:23:20 +01:00 committed by Ben Dooks
parent 9b71de49b0
commit b0e66522f4
1 changed files with 10 additions and 0 deletions
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10
arch/arm/mach-s3c2410/include/mach/regs-mem.h
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@ -73,6 +73,16 @@
#define S3C2410_BWSCON_WS7 (1<<30)
#define S3C2410_BWSCON_ST7 (1<<31)
/* accesor functions for getting BANK(n) configuration. (n != 0) */
#define S3C2410_BWSCON_GET(_bwscon, _bank) (((_bwscon) >> ((_bank) * 4)) & 0xf)
#define S3C2410_BWSCON_DW8 (0)
#define S3C2410_BWSCON_DW16 (1)
#define S3C2410_BWSCON_DW32 (2)
#define S3C2410_BWSCON_WS (1 << 2)
#define S3C2410_BWSCON_ST (1 << 3)
/* memory set (rom, ram) */
#define S3C2410_BANKCON0 S3C2410_MEMREG(0x0004)
#define S3C2410_BANKCON1 S3C2410_MEMREG(0x0008)