Add new OMAP4 CM accesor apis to set/clear and read bitfields (based on mask) from CM registers. Signed-off-by: Rajendra Nayak <rnayak@xxxxxx> --- arch/arm/mach-omap2/cminst44xx.c | 21 +++++++++++++++++++++ arch/arm/mach-omap2/cminst44xx.h | 6 ++++++ 2 files changed, 27 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c index c04bbbe..a482bfa 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 a6abd0a..2b32c18 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); -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html