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