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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>
This commit is contained in:
Rajendra Nayak 2011-02-25 15:48:14 -07:00 committed by Paul Walmsley
parent 514c5948b2
commit 04eb7773d8
2 changed files with 27 additions and 0 deletions
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21
arch/arm/mach-omap2/cminst44xx.c
View File

@ -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;
}
/*
*
*/

6
arch/arm/mach-omap2/cminst44xx.h
View File

@ -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);