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hc
2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c 
 kernel/arch/mips/include/asm/mach-loongson64/irq.h
....@@ -2,43 +2,14 @@
22 #ifndef __ASM_MACH_LOONGSON64_IRQ_H_
33 #define __ASM_MACH_LOONGSON64_IRQ_H_
44 
5
-#include <boot_param.h>
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-
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-#ifdef CONFIG_CPU_LOONGSON3
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-
95 /* cpu core interrupt numbers */
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-#define MIPS_CPU_IRQ_BASE 56
6
+#define NR_IRQS_LEGACY		16
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+#define NR_MIPS_CPU_IRQS	8
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+#define NR_MAX_CHAINED_IRQS	40 /* Chained IRQs means those not directly used by devices */
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+#define NR_IRQS			(NR_IRQS_LEGACY + NR_MIPS_CPU_IRQS + NR_MAX_CHAINED_IRQS + 256)
1110 
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-#define LOONGSON_UART_IRQ   (MIPS_CPU_IRQ_BASE + 2) /* UART */
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-#define LOONGSON_BRIDGE_IRQ (MIPS_CPU_IRQ_BASE + 3) /* CASCADE */
14
-#define LOONGSON_TIMER_IRQ  (MIPS_CPU_IRQ_BASE + 7) /* CPU Timer */
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+#define MIPS_CPU_IRQ_BASE 	NR_IRQS_LEGACY
1512 
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-#define LOONGSON_HT1_CFG_BASE		loongson_sysconf.ht_control_base
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-#define LOONGSON_HT1_INT_VECTOR_BASE	(LOONGSON_HT1_CFG_BASE + 0x80)
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-#define LOONGSON_HT1_INT_EN_BASE	(LOONGSON_HT1_CFG_BASE + 0xa0)
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-#define LOONGSON_HT1_INT_VECTOR(n)	\
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-		LOONGSON3_REG32(LOONGSON_HT1_INT_VECTOR_BASE, 4 * (n))
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-#define LOONGSON_HT1_INTN_EN(n)		\
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-		LOONGSON3_REG32(LOONGSON_HT1_INT_EN_BASE, 4 * (n))
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+#include <asm/mach-generic/irq.h>
2314 
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-#define LOONGSON_INT_ROUTER_OFFSET	0x1400
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-#define LOONGSON_INT_ROUTER_INTEN	\
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-	  LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x24)
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-#define LOONGSON_INT_ROUTER_INTENSET	\
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-	  LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x28)
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-#define LOONGSON_INT_ROUTER_INTENCLR	\
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-	  LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x2c)
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-#define LOONGSON_INT_ROUTER_ENTRY(n)	\
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-	  LOONGSON3_REG8(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + n)
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-#define LOONGSON_INT_ROUTER_LPC		LOONGSON_INT_ROUTER_ENTRY(0x0a)
34
-#define LOONGSON_INT_ROUTER_HT1(n)	LOONGSON_INT_ROUTER_ENTRY(n + 0x18)
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-
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-#define LOONGSON_INT_COREx_INTy(x, y)	(1<<(x) | 1<<(y+4))	/* route to int y of core x */
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-
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-#endif
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-
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-extern void fixup_irqs(void);
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-extern void loongson3_ipi_interrupt(struct pt_regs *regs);
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-
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-#include_next <irq.h>
4415 #endif /* __ASM_MACH_LOONGSON64_IRQ_H_ */