diff mbox

[RFC,2/3] OMAP4: CM: Add CM accesor api for bitwise control

Message ID 1294836371-17249-3-git-send-email-rnayak@ti.com (mailing list archive)
State Superseded, archived
Delegated to: Paul Walmsley
Headers show

Commit Message

Rajendra Nayak Jan. 12, 2011, 12:46 p.m. UTC 
None
diff mbox

Patch

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);