linux/arch/mips/include/asm/mach-loongson64/irq.h
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   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_HT1_IRQ    (MIPS_CPU_IRQ_BASE + 3) /* HT1 */
  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
  40extern void fixup_irqs(void);
  41extern void loongson3_ipi_interrupt(struct pt_regs *regs);
  42
  43#include_next <irq.h>
  44#endif /* __ASM_MACH_LOONGSON64_IRQ_H_ */
  45