blackfin: SEC: clean up SEC interrupt initialization

Append the SEC IRQ after the IVG6, which is consistent to BF5xx SIC.
Exclude SIC irqchip fucntions from SEC code.
Call handle_fasteoi_irq in SEC error and fault handler.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

arch/blackfin/include/mach-common/irq.h

@@ -40,8 +40,6 @@
 #define IRQ_HWERR		5	/* Hardware Error */
 #define IRQ_CORETMR		6	/* Core timer */
 
-#define BFIN_IRQ(x)		((x) + 7)
-
 #define IVG7			7
 #define IVG8			8
 #define IVG9			9
@@ -52,6 +50,9 @@
 #define IVG14			14
 #define IVG15			15
 
+#define BFIN_IRQ(x)		((x) + IVG7)
+#define BFIN_SYSIRQ(x)		((x) - IVG7)
+
 #define NR_IRQS			(NR_MACH_IRQS + NR_SPARE_IRQS)
 
 #endif

arch/blackfin/mach-bf609/include/mach/irq.h

@@ -9,9 +9,6 @@
 
 #include <mach-common/irq.h>
 
-#undef BFIN_IRQ
-#define BFIN_IRQ(x) ((x) + IVG15)
-
 #define NR_PERI_INTS		(5 * 32)
 
 #define IRQ_SEC_ERR		BFIN_IRQ(0)	/* SEC Error */

arch/blackfin/mach-bf609/pm.c

@@ -174,7 +174,6 @@ void bfin_hibernate_syscontrol(void)
 	bfin_write32(DPM0_RESTORE5, bfin_read32(DPM0_RESTORE5) | 4);
 }
 
-#define IRQ_SID(irq)   ((irq) - IVG15)
 asmlinkage void enter_deepsleep(void);
 
 __attribute__((l1_text))
@@ -311,7 +310,7 @@ static irqreturn_t test_isr(int irq, void *dev_id)
 {
 	printk(KERN_DEBUG "gpio irq %d\n", irq);
 	if (irq == 231)
-		bfin_sec_raise_irq(IRQ_SID(IRQ_SOFT1));
+		bfin_sec_raise_irq(BFIN_SYSIRQ(IRQ_SOFT1));
 	return IRQ_HANDLED;
 }