From: Rajendra Nayak Date: Fri, 25 Feb 2011 22:48:14 +0000 (-0700) Subject: OMAP4: CM: Add CM accesor api for bitwise control X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=04eb7773d803bd0a8249c5bba37f81c496253ea1;p=linux-beck.git 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 --- 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; +} + /* * */ diff --git a/arch/arm/mach-omap2/cminst44xx.h b/arch/arm/mach-omap2/cminst44xx.h index a6abd0a8cb82..2b32c181a2ee 100644 --- a/arch/arm/mach-omap2/cminst44xx.h +++ b/arch/arm/mach-omap2/cminst44xx.h @@ -25,6 +25,12 @@ extern u32 omap4_cminst_read_inst_reg(u8 part, s16 inst, u16 idx); extern void omap4_cminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx); extern u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, s16 inst, s16 idx); +extern u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, s16 inst, + s16 idx); +extern u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst, + s16 idx); +extern u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx, + u32 mask); extern int omap4_cm_wait_module_ready(void __iomem *clkctrl_reg);