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[MIPS] IP22/IP28: fix extracting board/chip rev

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Taken from Peter Fuersts IP28 patches

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Thomas Bogendoerfer 2007-11-25 11:27:06 +01:00 committed by Ralf Baechle
parent e9c33572a9
commit 68efdb81c6
1 changed files with 2 additions and 2 deletions
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4
include/asm-mips/sgi/ioc.h
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@ -138,8 +138,8 @@ struct sgioc_regs {
u8 _sysid[3];
volatile u8 sysid;
#define SGIOC_SYSID_FULLHOUSE 0x01
#define SGIOC_SYSID_BOARDREV(x) ((x & 0xe0) > 5)
#define SGIOC_SYSID_CHIPREV(x) ((x & 0x1e) > 1)
#define SGIOC_SYSID_BOARDREV(x) (((x) & 0x1e) >> 1)
#define SGIOC_SYSID_CHIPREV(x) (((x) & 0xe0) >> 5)
u32 _unused2;
u8 _read[3];
volatile u8 read;