1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_MACH_LOONGSON64_IRQ_H_
3 #define __ASM_MACH_LOONGSON64_IRQ_H_
5 #include <boot_param.h>
7 /* cpu core interrupt numbers */
8 #define MIPS_CPU_IRQ_BASE 56
10 #define LOONGSON_UART_IRQ (MIPS_CPU_IRQ_BASE + 2) /* UART */
11 #define LOONGSON_BRIDGE_IRQ (MIPS_CPU_IRQ_BASE + 3) /* CASCADE */
12 #define LOONGSON_TIMER_IRQ (MIPS_CPU_IRQ_BASE + 7) /* CPU Timer */
14 #define LOONGSON_HT1_CFG_BASE loongson_sysconf.ht_control_base
15 #define LOONGSON_HT1_INT_VECTOR_BASE (LOONGSON_HT1_CFG_BASE + 0x80)
16 #define LOONGSON_HT1_INT_EN_BASE (LOONGSON_HT1_CFG_BASE + 0xa0)
17 #define LOONGSON_HT1_INT_VECTOR(n) \
18 LOONGSON3_REG32(LOONGSON_HT1_INT_VECTOR_BASE, 4 * (n))
19 #define LOONGSON_HT1_INTN_EN(n) \
20 LOONGSON3_REG32(LOONGSON_HT1_INT_EN_BASE, 4 * (n))
22 #define LOONGSON_INT_ROUTER_OFFSET 0x1400
23 #define LOONGSON_INT_ROUTER_INTEN \
24 LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x24)
25 #define LOONGSON_INT_ROUTER_INTENSET \
26 LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x28)
27 #define LOONGSON_INT_ROUTER_INTENCLR \
28 LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x2c)
29 #define LOONGSON_INT_ROUTER_ENTRY(n) \
30 LOONGSON3_REG8(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + n)
31 #define LOONGSON_INT_ROUTER_LPC LOONGSON_INT_ROUTER_ENTRY(0x0a)
32 #define LOONGSON_INT_ROUTER_HT1(n) LOONGSON_INT_ROUTER_ENTRY(n + 0x18)
34 #define LOONGSON_INT_COREx_INTy(x, y) (1<<(x) | 1<<(y+4)) /* route to int y of core x */
36 extern void fixup_irqs(void);
37 extern void loongson3_ipi_interrupt(struct pt_regs
*regs
);
40 #endif /* __ASM_MACH_LOONGSON64_IRQ_H_ */