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kernel/linux-rt-4.4.41/arch/sh/include/mach-common/mach/microdev.h 3.29 KB
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  /*
   * linux/include/asm-sh/microdev.h
   *
   * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com)
   *
   * Definitions for the SuperH SH4-202 MicroDev board.
   *
   * May be copied or modified under the terms of the GNU General Public
   * License.  See linux/COPYING for more information.
   */
  #ifndef __ASM_SH_MICRODEV_H
  #define __ASM_SH_MICRODEV_H
  
  extern void init_microdev_irq(void);
  extern void microdev_print_fpga_intc_status(void);
  
  /*
   * The following are useful macros for manipulating the interrupt
   * controller (INTC) on the CPU-board FPGA.  should be noted that there
   * is an INTC on the FPGA, and a separate INTC on the SH4-202 core -
   * these are two different things, both of which need to be prorammed to
   * correctly route - unfortunately, they have the same name and
   * abbreviations!
   */
  #define	MICRODEV_FPGA_INTC_BASE		0xa6110000ul				/* INTC base address on CPU-board FPGA */
  #define	MICRODEV_FPGA_INTENB_REG	(MICRODEV_FPGA_INTC_BASE+0ul)		/* Interrupt Enable Register on INTC on CPU-board FPGA */
  #define	MICRODEV_FPGA_INTDSB_REG	(MICRODEV_FPGA_INTC_BASE+8ul)		/* Interrupt Disable Register on INTC on CPU-board FPGA */
  #define	MICRODEV_FPGA_INTC_MASK(n)	(1ul<<(n))				/* Interrupt mask to enable/disable INTC in CPU-board FPGA */
  #define	MICRODEV_FPGA_INTPRI_REG(n)	(MICRODEV_FPGA_INTC_BASE+0x10+((n)/8)*8)/* Interrupt Priority Register on INTC on CPU-board FPGA */
  #define	MICRODEV_FPGA_INTPRI_LEVEL(n,x)	((x)<<(((n)%8)*4))			/* MICRODEV_FPGA_INTPRI_LEVEL(int_number, int_level) */
  #define	MICRODEV_FPGA_INTPRI_MASK(n)	(MICRODEV_FPGA_INTPRI_LEVEL((n),0xful))	/* Interrupt Priority Mask on INTC on CPU-board FPGA */
  #define	MICRODEV_FPGA_INTSRC_REG	(MICRODEV_FPGA_INTC_BASE+0x30ul)	/* Interrupt Source Register on INTC on CPU-board FPGA */
  #define	MICRODEV_FPGA_INTREQ_REG	(MICRODEV_FPGA_INTC_BASE+0x38ul)	/* Interrupt Request Register on INTC on CPU-board FPGA */
  
  
  /*
   * The following are the IRQ numbers for the Linux Kernel for external
   * interrupts.  i.e. the numbers seen by 'cat /proc/interrupt'.
   */
  #define MICRODEV_LINUX_IRQ_KEYBOARD	 1	/* SuperIO Keyboard */
  #define MICRODEV_LINUX_IRQ_SERIAL1	 2	/* SuperIO Serial #1 */
  #define MICRODEV_LINUX_IRQ_ETHERNET	 3	/* on-board Ethnernet */
  #define MICRODEV_LINUX_IRQ_SERIAL2	 4	/* SuperIO Serial #2 */
  #define MICRODEV_LINUX_IRQ_USB_HC	 7	/* on-board USB HC */
  #define MICRODEV_LINUX_IRQ_MOUSE	12	/* SuperIO PS/2 Mouse */
  #define MICRODEV_LINUX_IRQ_IDE2		13	/* SuperIO IDE #2 */
  #define MICRODEV_LINUX_IRQ_IDE1		14	/* SuperIO IDE #1 */
  
  /*
   * The following are the IRQ numbers for the INTC on the FPGA for
   * external interrupts.  i.e. the bits in the INTC registers in the
   * FPGA.
   */
  #define MICRODEV_FPGA_IRQ_KEYBOARD	 1	/* SuperIO Keyboard */
  #define MICRODEV_FPGA_IRQ_SERIAL1	 3	/* SuperIO Serial #1 */
  #define MICRODEV_FPGA_IRQ_SERIAL2	 4	/* SuperIO Serial #2 */
  #define MICRODEV_FPGA_IRQ_MOUSE		12	/* SuperIO PS/2 Mouse */
  #define MICRODEV_FPGA_IRQ_IDE1		14	/* SuperIO IDE #1 */
  #define MICRODEV_FPGA_IRQ_IDE2		15	/* SuperIO IDE #2 */
  #define MICRODEV_FPGA_IRQ_USB_HC	16	/* on-board USB HC */
  #define MICRODEV_FPGA_IRQ_ETHERNET	18	/* on-board Ethnernet */
  
  #define MICRODEV_IRQ_PCI_INTA		 8
  #define MICRODEV_IRQ_PCI_INTB		 9
  #define MICRODEV_IRQ_PCI_INTC		10
  #define MICRODEV_IRQ_PCI_INTD		11
  
  #define __IO_PREFIX microdev
  #include <asm/io_generic.h>
  
  #endif /* __ASM_SH_MICRODEV_H */