From 04eb7773d803bd0a8249c5bba37f81c496253ea1 Mon Sep 17 00:00:00 2001 From: Rajendra Nayak Date: Fri, 25 Feb 2011 15:48:14 -0700 Subject: OMAP4: CM: Add CM accesor api for bitwise control Add new OMAP4 CM accesor apis to set/clear and read bitfields (based on mask) from CM registers. Signed-off-by: Rajendra Nayak Signed-off-by: Paul Walmsley --- arch/arm/mach-omap2/cminst44xx.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'arch/arm/mach-omap2/cminst44xx.c') diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c index c04bbbea17a5..a482bfa0a954 100644 --- a/arch/arm/mach-omap2/cminst44xx.c +++ b/arch/arm/mach-omap2/cminst44xx.c @@ -73,6 +73,27 @@ u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, s16 inst, return v; } +u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, s16 inst, s16 idx) +{ + return omap4_cminst_rmw_inst_reg_bits(bits, bits, part, inst, idx); +} + +u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst, s16 idx) +{ + return omap4_cminst_rmw_inst_reg_bits(bits, 0x0, part, inst, idx); +} + +u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx, u32 mask) +{ + u32 v; + + v = omap4_cminst_read_inst_reg(part, inst, idx); + v &= mask; + v >>= __ffs(mask); + + return v; +} + /* * */ -- cgit v1.2.3