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MIPS: ralink: add a helper for reading the ECO version 

Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/8000/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
John Crispin 2014-03-16 04:53:02 +00:00 committed by Ralf Baechle
parent 2adf550f26
commit 2920b83d35
1 changed files with 5 additions and 0 deletions
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5
arch/mips/include/asm/mach-ralink/mt7620.h
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@ -105,4 +105,9 @@
#define MT7620_GPIO_MODE_EPHY BIT(15)
#define MT7620_GPIO_MODE_WDT BIT(22)
static inline int mt7620_get_eco(void)
{
return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK;
}
#endif