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mxc: add cscr register defintions

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This adds macros to get CSCR upper, lower and additional registers.
These registers are needed to configure a chip select line. The offset
layouts of these Registers are identical on mx27 and mx31, hence we can
use the macros in generic way

Signed-off-by: Luotao Fu <l.fu@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Luotao Fu 2008-09-09 10:19:42 +02:00 committed by Sascha Hauer
parent 7113cdcdc1
commit 2cf842b896
1 changed files with 6 additions and 0 deletions
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6
arch/arm/plat-mxc/include/mach/mxc.h
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@ -33,4 +33,10 @@
# define cpu_is_mx27() (0)
#endif
#if defined(CONFIG_ARCH_MX3) || defined(CONFIG_ARCH_MX2)
#define CSCR_U(n) (IO_ADDRESS(WEIM_BASE_ADDR) + n * 0x10)
#define CSCR_L(n) (IO_ADDRESS(WEIM_BASE_ADDR) + n * 0x10 + 0x4)
#define CSCR_A(n) (IO_ADDRESS(WEIM_BASE_ADDR) + n * 0x10 + 0x8)
#endif
#endif /* __ASM_ARCH_MXC_H__ */