1 files changed, 39 insertions, 8 deletions
diff --git a/arch/arm/mach-socfpga/include/mach/reset_manager.h b/arch/arm/mach-socfpga/include/mach/reset_manager.h
index 7e803f7..fff4c96 100644
--- a/arch/arm/mach-socfpga/include/mach/reset_manager.h
+++ b/arch/arm/mach-socfpga/include/mach/reset_manager.h
@@ -38,13 +38,44 @@ struct socfpga_reset_manager {
 #define RSTMGR_CTRL_SWWARMRSTREQ_LSB 1
 #endif
 
-#define RSTMGR_PERMODRST_EMAC0_LSB	0
-#define RSTMGR_PERMODRST_EMAC1_LSB	1
-#define RSTMGR_PERMODRST_L4WD0_LSB	6
-#define RSTMGR_PERMODRST_OSC1TIMER0_LSB	8
-#define RSTMGR_PERMODRST_UART0_LSB	16
-#define RSTMGR_PERMODRST_SPIM0_LSB	18
-#define RSTMGR_PERMODRST_SPIM1_LSB	19
-#define RSTMGR_PERMODRST_SDR_LSB	29
+/*
+ * Define a reset identifier, from which a permodrst bank ID
+ * and reset ID can be extracted using the subsequent macros
+ * RSTMGR_RESET() and RSTMGR_BANK().
+ */
+#define RSTMGR_BANK_OFFSET	8
+#define RSTMGR_BANK_MASK	0x7
+#define RSTMGR_RESET_OFFSET	0
+#define RSTMGR_RESET_MASK	0x1f
+#define RSTMGR_DEFINE(_bank, _offset)		\
+	((_bank) << RSTMGR_BANK_OFFSET) | ((_offset) << RSTMGR_RESET_OFFSET)
+
+/* Extract reset ID from the reset identifier. */
+#define RSTMGR_RESET(_reset)			\
+	(((_reset) >> RSTMGR_RESET_OFFSET) & RSTMGR_RESET_MASK)
+
+/* Extract bank ID from the reset identifier. */
+#define RSTMGR_BANK(_reset)			\
+	(((_reset) >> RSTMGR_BANK_OFFSET) & RSTMGR_BANK_MASK)
+
+/*
+ * SocFPGA Cyclone V/Arria V reset IDs, bank mapping is as follows:
+ * 0 ... mpumodrst
+ * 1 ... permodrst
+ * 2 ... per2modrst
+ * 3 ... brgmodrst
+ * 4 ... miscmodrst
+ */
+#define RSTMGR_EMAC0		RSTMGR_DEFINE(1, 0)
+#define RSTMGR_EMAC1		RSTMGR_DEFINE(1, 1)
+#define RSTMGR_L4WD0		RSTMGR_DEFINE(1, 6)
+#define RSTMGR_OSC1TIMER0	RSTMGR_DEFINE(1, 8)
+#define RSTMGR_UART0		RSTMGR_DEFINE(1, 16)
+#define RSTMGR_SPIM0		RSTMGR_DEFINE(1, 18)
+#define RSTMGR_SPIM1		RSTMGR_DEFINE(1, 19)
+#define RSTMGR_SDR		RSTMGR_DEFINE(1, 29)
+
+/* Create a human-readable reference to SoCFPGA reset. */
+#define SOCFPGA_RESET(_name)	RSTMGR_##_name
 
 #endif /* _RESET_MANAGER_H_ */