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Diffstat (limited to 'arch/mips/include/asm/mach-loongson64/irq.h')
-rw-r--r--arch/mips/include/asm/mach-loongson64/irq.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-loongson64/irq.h b/arch/mips/include/asm/mach-loongson64/irq.h
new file mode 100644
index 000000000000..d18c45c7c394
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson64/irq.h
@@ -0,0 +1,43 @@
+#ifndef __ASM_MACH_LOONGSON64_IRQ_H_
+#define __ASM_MACH_LOONGSON64_IRQ_H_
+
+#include <boot_param.h>
+
+#ifdef CONFIG_CPU_LOONGSON3
+
+/* cpu core interrupt numbers */
+#define MIPS_CPU_IRQ_BASE 56
+
+#define LOONGSON_UART_IRQ (MIPS_CPU_IRQ_BASE + 2) /* UART */
+#define LOONGSON_HT1_IRQ (MIPS_CPU_IRQ_BASE + 3) /* HT1 */
+#define LOONGSON_TIMER_IRQ (MIPS_CPU_IRQ_BASE + 7) /* CPU Timer */
+
+#define LOONGSON_HT1_CFG_BASE loongson_sysconf.ht_control_base
+#define LOONGSON_HT1_INT_VECTOR_BASE (LOONGSON_HT1_CFG_BASE + 0x80)
+#define LOONGSON_HT1_INT_EN_BASE (LOONGSON_HT1_CFG_BASE + 0xa0)
+#define LOONGSON_HT1_INT_VECTOR(n) \
+ LOONGSON3_REG32(LOONGSON_HT1_INT_VECTOR_BASE, 4 * (n))
+#define LOONGSON_HT1_INTN_EN(n) \
+ LOONGSON3_REG32(LOONGSON_HT1_INT_EN_BASE, 4 * (n))
+
+#define LOONGSON_INT_ROUTER_OFFSET 0x1400
+#define LOONGSON_INT_ROUTER_INTEN \
+ LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x24)
+#define LOONGSON_INT_ROUTER_INTENSET \
+ LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x28)
+#define LOONGSON_INT_ROUTER_INTENCLR \
+ LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x2c)
+#define LOONGSON_INT_ROUTER_ENTRY(n) \
+ LOONGSON3_REG8(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + n)
+#define LOONGSON_INT_ROUTER_LPC LOONGSON_INT_ROUTER_ENTRY(0x0a)
+#define LOONGSON_INT_ROUTER_HT1(n) LOONGSON_INT_ROUTER_ENTRY(n + 0x18)
+
+#define LOONGSON_INT_COREx_INTy(x, y) (1<<(x) | 1<<(y+4)) /* route to int y of core x */
+
+#endif
+
+extern void fixup_irqs(void);
+extern void loongson3_ipi_interrupt(struct pt_regs *regs);
+
+#include_next <irq.h>
+#endif /* __ASM_MACH_LOONGSON64_IRQ_H_ */