ARM: OMAP3+: Detect reset type
Certain modules are not affected by means of
a warm reset and need not be configured again.
Adding an API to detect the reset reason warm/cold.
This will be used to skip the module configurations
that are retained across a warm reset.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: R Sricharan <r.sricharan@ti.com>
diff --git a/arch/arm/include/asm/arch-omap4/cpu.h b/arch/arm/include/asm/arch-omap4/cpu.h
index feddb7d..a8c4c60 100644
--- a/arch/arm/include/asm/arch-omap4/cpu.h
+++ b/arch/arm/include/asm/arch-omap4/cpu.h
@@ -178,5 +178,7 @@
#define PRM_RSTCTRL PRM_DEVICE_BASE
#define PRM_RSTCTRL_RESET 0x01
+#define PRM_RSTST (PRM_DEVICE_BASE + 0x4)
+#define PRM_RSTST_WARM_RESET_MASK 0x07EA
#endif /* _CPU_H */