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| author | Rajendra Nayak <rnayak@ti.com> | 2011-02-25 15:48:14 -0700 |
|---|---|---|
| committer | Paul Walmsley <paul@pwsan.com> | 2011-02-25 16:09:05 -0700 |
| commit | 04eb7773d803bd0a8249c5bba37f81c496253ea1 (patch) | |
| tree | cceb00f50dc272bf80218b918aa72cd25df3af90 /arch/arm/mach-omap2 | |
| parent | 514c5948b2b5a3f9f9ebc344fc03073f3bd481b4 (diff) | |
| download | blackbird-op-linux-04eb7773d803bd0a8249c5bba37f81c496253ea1.tar.gz blackbird-op-linux-04eb7773d803bd0a8249c5bba37f81c496253ea1.zip | |
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 <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/cminst44xx.c | 21 | ||||
| -rw-r--r-- | 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 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); |
