root/arch/mips/include/asm/mach-loongson64/irq.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_MACH_LOONGSON64_IRQ_H_
   3 #define __ASM_MACH_LOONGSON64_IRQ_H_
   4 
   5 #include <boot_param.h>
   6 
   7 #ifdef CONFIG_CPU_LOONGSON3
   8 
   9 /* cpu core interrupt numbers */
  10 #define MIPS_CPU_IRQ_BASE 56
  11 
  12 #define LOONGSON_UART_IRQ   (MIPS_CPU_IRQ_BASE + 2) /* UART */
  13 #define LOONGSON_BRIDGE_IRQ (MIPS_CPU_IRQ_BASE + 3) /* CASCADE */
  14 #define LOONGSON_TIMER_IRQ  (MIPS_CPU_IRQ_BASE + 7) /* CPU Timer */
  15 
  16 #define LOONGSON_HT1_CFG_BASE           loongson_sysconf.ht_control_base
  17 #define LOONGSON_HT1_INT_VECTOR_BASE    (LOONGSON_HT1_CFG_BASE + 0x80)
  18 #define LOONGSON_HT1_INT_EN_BASE        (LOONGSON_HT1_CFG_BASE + 0xa0)
  19 #define LOONGSON_HT1_INT_VECTOR(n)      \
  20                 LOONGSON3_REG32(LOONGSON_HT1_INT_VECTOR_BASE, 4 * (n))
  21 #define LOONGSON_HT1_INTN_EN(n)         \
  22                 LOONGSON3_REG32(LOONGSON_HT1_INT_EN_BASE, 4 * (n))
  23 
  24 #define LOONGSON_INT_ROUTER_OFFSET      0x1400
  25 #define LOONGSON_INT_ROUTER_INTEN       \
  26           LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x24)
  27 #define LOONGSON_INT_ROUTER_INTENSET    \
  28           LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x28)
  29 #define LOONGSON_INT_ROUTER_INTENCLR    \
  30           LOONGSON3_REG32(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + 0x2c)
  31 #define LOONGSON_INT_ROUTER_ENTRY(n)    \
  32           LOONGSON3_REG8(LOONGSON3_REG_BASE, LOONGSON_INT_ROUTER_OFFSET + n)
  33 #define LOONGSON_INT_ROUTER_LPC         LOONGSON_INT_ROUTER_ENTRY(0x0a)
  34 #define LOONGSON_INT_ROUTER_HT1(n)      LOONGSON_INT_ROUTER_ENTRY(n + 0x18)
  35 
  36 #define LOONGSON_INT_COREx_INTy(x, y)   (1<<(x) | 1<<(y+4))     /* route to int y of core x */
  37 
  38 #endif
  39 
  40 extern void fixup_irqs(void);
  41 extern void loongson3_ipi_interrupt(struct pt_regs *regs);
  42 
  43 #include_next <irq.h>
  44 #endif /* __ASM_MACH_LOONGSON64_IRQ_H_ */