microdev.h

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/*
 * linux/include/asm-sh/microdev.h
 *
 * Copyright (C) 2003 Sean McGoogan ([email protected])
 *
 * 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 */