diff options
Diffstat (limited to 'include/asm-sh/microdev/irq.h')
| -rw-r--r-- | include/asm-sh/microdev/irq.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/asm-sh/microdev/irq.h b/include/asm-sh/microdev/irq.h new file mode 100644 index 000000000000..47f6f77a65f0 --- /dev/null +++ b/include/asm-sh/microdev/irq.h @@ -0,0 +1,72 @@ +/* + * linux/include/asm-sh/irq_microdev.h + * + * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com) + * + * IRQ functions 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_IRQ_MICRODEV_H +#define _ASM_SH_IRQ_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. + * It should be noted that there is an INTC on the FPGA, + * and a seperate 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)) /* Interupt 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 + +#endif /* _ASM_SH_IRQ_MICRODEV_H */ |