ARM: OMAP4: PM: Adds PRM register shift and mask bits

[safe/jmp/linux-2.6] / arch / arm / mach-omap2 / prcm-common.h

diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index 4f1b736..61ac2a4 100644 (file)
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -51,6 +51,12 @@
 #define OMAP3430_NEON_MOD                              0xb00
 #define OMAP3430ES2_USBHOST_MOD                                0xc00
 
+#define BITS(n_bit)    \
+       (((1 << n_bit) - 1) | (1 << n_bit))
+
+#define BITFIELD(l_bit, u_bit) \
+       (BITS(u_bit) & ~((BITS(l_bit)) >> 1))
+
 /* OMAP44XX specific module offsets */
 
 /* CM1 instances */