MIPS: BCM63XX: add external irq support for BCM6345

Add the missing definitions for BCM6345.

Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4091/
Signed-off-by: John Crispin <blogic@openwrt.org>

arch/mips/bcm63xx/irq.c

@@ -56,8 +56,8 @@ static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused;
 #define is_ext_irq_cascaded	0
 #define ext_irq_start		0
 #define ext_irq_end		0
-#define ext_irq_count		0
-#define ext_irq_cfg_reg1	0
+#define ext_irq_count		4
+#define ext_irq_cfg_reg1	PERF_EXTIRQ_CFG_REG_6345
 #define ext_irq_cfg_reg2	0
 #endif
 #ifdef CONFIG_BCM63XX_CPU_6348
@@ -143,11 +143,15 @@ static void bcm63xx_init_irq(void)
 		irq_stat_addr += PERF_IRQSTAT_6338_REG;
 		irq_mask_addr += PERF_IRQMASK_6338_REG;
 		irq_bits = 32;
+		ext_irq_count = 4;
+		ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6338;
 		break;
 	case BCM6345_CPU_ID:
 		irq_stat_addr += PERF_IRQSTAT_6345_REG;
 		irq_mask_addr += PERF_IRQMASK_6345_REG;
 		irq_bits = 32;
+		ext_irq_count = 4;
+		ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6345;
 		break;
 	case BCM6348_CPU_ID:
 		irq_stat_addr += PERF_IRQSTAT_6348_REG;

arch/mips/bcm63xx/setup.c

@@ -74,6 +74,9 @@ void bcm63xx_machine_reboot(void)
 	case BCM6338_CPU_ID:
 		perf_regs[0] = PERF_EXTIRQ_CFG_REG_6338;
 		break;
+	case BCM6345_CPU_ID:
+		perf_regs[0] = PERF_EXTIRQ_CFG_REG_6345;
+		break;
 	case BCM6348_CPU_ID:
 		perf_regs[0] = PERF_EXTIRQ_CFG_REG_6348;
 		break;

arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h

@@ -161,6 +161,7 @@
 /* External Interrupt Configuration register */
 #define PERF_EXTIRQ_CFG_REG_6328	0x18
 #define PERF_EXTIRQ_CFG_REG_6338	0x14
+#define PERF_EXTIRQ_CFG_REG_6345	0x14
 #define PERF_EXTIRQ_CFG_REG_6348	0x14
 #define PERF_EXTIRQ_CFG_REG_6358	0x14
 #define PERF_EXTIRQ_CFG_REG_6368	0x18