sh: mach-sdk7786: Handle baseboard NMI source selection.

The on-board NMI switch is routed through and mangled by the FPGA prior
to its delivery to the NMI pin, so add some glue for the various
configuration options. The default is to unmask it and enable all input
sources.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/sh/include/mach-sdk7786/mach/fpga.h b/arch/sh/include/mach-sdk7786/mach/fpga.h
index 40f0c2d3690c..a9cdac469927 100644
--- a/arch/sh/include/mach-sdk7786/mach/fpga.h
+++ b/arch/sh/include/mach-sdk7786/mach/fpga.h
@@ -14,11 +14,16 @@
 #define INTTESTR        0x040
 #define SYSSR           0x050
 #define NRGPR           0x060
+
 #define NMISR           0x070
+#define  NMISR_MAN_NMI  BIT(0)
+#define  NMISR_AUX_NMI  BIT(1)
+#define  NMISR_MASK     (NMISR_MAN_NMI | NMISR_AUX_NMI)
 
 #define NMIMR           0x080
 #define  NMIMR_MAN_NMIM BIT(0)  /* Manual NMI mask */
 #define  NMIMR_AUX_NMIM BIT(1)  /* Auxiliary NMI mask */
+#define  NMIMR_MASK     (NMIMR_MAN_NMIM | NMIMR_AUX_NMIM)
 
 #define INTBSR          0x090
 #define INTBMR          0x0a0
@@ -126,6 +131,9 @@
 extern void __iomem *sdk7786_fpga_base;
 extern void sdk7786_fpga_init(void);
 
+/* arch/sh/boards/mach-sdk7786/nmi.c */
+extern void sdk7786_nmi_init(void);
+
 #define SDK7786_FPGA_REGADDR(reg)       (sdk7786_fpga_base + (reg))
 
 /*