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MIPS: CPC: provide functions to retrieve register addresses

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This patch introduces addr_ functions in addition to the existing read_
& write_ functions. The new functions simply return the address of the
appropriate CPC register rather than performing a memory access. This
will be used in a subsequent patch.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
This commit is contained in:
Paul Burton 2014-02-14 09:27:15 +00:00
parent 76306f4272
commit 2ba60250b0
1 changed files with 6 additions and 1 deletions
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7
arch/mips/include/asm/mips-cpc.h
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@ -72,7 +72,12 @@ static inline bool mips_cpc_present(void)
#define MIPS_CPC_COCB_OFS 0x4000
/* Macros to ease the creation of register access functions */
#define BUILD_CPC_R_(name, off) \
#define BUILD_CPC_R_(name, off) \
static inline u32 *addr_cpc_##name(void) \
{ \
return (u32 *)(mips_cpc_base + (off)); \
} \
\
static inline u32 read_cpc_##name(void) \
{ \
return __raw_readl(mips_cpc_base + (off)); \