1 /* SPDX-License-Identifier: GPL-2.0
2  *
3  * linux/include/asm-sh/microdev.h
4  *
5  * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com)
6  *
7  * Definitions for the SuperH SH4-202 MicroDev board.
8  */
9 #ifndef __ASM_SH_MICRODEV_H
10 #define __ASM_SH_MICRODEV_H
11 
12 extern void init_microdev_irq(void);
13 extern void microdev_print_fpga_intc_status(void);
14 
15 /*
16  * The following are useful macros for manipulating the interrupt
17  * controller (INTC) on the CPU-board FPGA.  should be noted that there
18  * is an INTC on the FPGA, and a separate INTC on the SH4-202 core -
19  * these are two different things, both of which need to be prorammed to
20  * correctly route - unfortunately, they have the same name and
21  * abbreviations!
22  */
23 #define	MICRODEV_FPGA_INTC_BASE		0xa6110000ul				/* INTC base address on CPU-board FPGA */
24 #define	MICRODEV_FPGA_INTENB_REG	(MICRODEV_FPGA_INTC_BASE+0ul)		/* Interrupt Enable Register on INTC on CPU-board FPGA */
25 #define	MICRODEV_FPGA_INTDSB_REG	(MICRODEV_FPGA_INTC_BASE+8ul)		/* Interrupt Disable Register on INTC on CPU-board FPGA */
26 #define	MICRODEV_FPGA_INTC_MASK(n)	(1ul<<(n))				/* Interrupt mask to enable/disable INTC in CPU-board FPGA */
27 #define	MICRODEV_FPGA_INTPRI_REG(n)	(MICRODEV_FPGA_INTC_BASE+0x10+((n)/8)*8)/* Interrupt Priority Register on INTC on CPU-board FPGA */
28 #define	MICRODEV_FPGA_INTPRI_LEVEL(n,x)	((x)<<(((n)%8)*4))			/* MICRODEV_FPGA_INTPRI_LEVEL(int_number, int_level) */
29 #define	MICRODEV_FPGA_INTPRI_MASK(n)	(MICRODEV_FPGA_INTPRI_LEVEL((n),0xful))	/* Interrupt Priority Mask on INTC on CPU-board FPGA */
30 #define	MICRODEV_FPGA_INTSRC_REG	(MICRODEV_FPGA_INTC_BASE+0x30ul)	/* Interrupt Source Register on INTC on CPU-board FPGA */
31 #define	MICRODEV_FPGA_INTREQ_REG	(MICRODEV_FPGA_INTC_BASE+0x38ul)	/* Interrupt Request Register on INTC on CPU-board FPGA */
32 
33 
34 /*
35  * The following are the IRQ numbers for the Linux Kernel for external
36  * interrupts.  i.e. the numbers seen by 'cat /proc/interrupt'.
37  */
38 #define MICRODEV_LINUX_IRQ_KEYBOARD	 1	/* SuperIO Keyboard */
39 #define MICRODEV_LINUX_IRQ_SERIAL1	 2	/* SuperIO Serial #1 */
40 #define MICRODEV_LINUX_IRQ_ETHERNET	 3	/* on-board Ethnernet */
41 #define MICRODEV_LINUX_IRQ_SERIAL2	 4	/* SuperIO Serial #2 */
42 #define MICRODEV_LINUX_IRQ_USB_HC	 7	/* on-board USB HC */
43 #define MICRODEV_LINUX_IRQ_MOUSE	12	/* SuperIO PS/2 Mouse */
44 #define MICRODEV_LINUX_IRQ_IDE2		13	/* SuperIO IDE #2 */
45 #define MICRODEV_LINUX_IRQ_IDE1		14	/* SuperIO IDE #1 */
46 
47 /*
48  * The following are the IRQ numbers for the INTC on the FPGA for
49  * external interrupts.  i.e. the bits in the INTC registers in the
50  * FPGA.
51  */
52 #define MICRODEV_FPGA_IRQ_KEYBOARD	 1	/* SuperIO Keyboard */
53 #define MICRODEV_FPGA_IRQ_SERIAL1	 3	/* SuperIO Serial #1 */
54 #define MICRODEV_FPGA_IRQ_SERIAL2	 4	/* SuperIO Serial #2 */
55 #define MICRODEV_FPGA_IRQ_MOUSE		12	/* SuperIO PS/2 Mouse */
56 #define MICRODEV_FPGA_IRQ_IDE1		14	/* SuperIO IDE #1 */
57 #define MICRODEV_FPGA_IRQ_IDE2		15	/* SuperIO IDE #2 */
58 #define MICRODEV_FPGA_IRQ_USB_HC	16	/* on-board USB HC */
59 #define MICRODEV_FPGA_IRQ_ETHERNET	18	/* on-board Ethnernet */
60 
61 #define MICRODEV_IRQ_PCI_INTA		 8
62 #define MICRODEV_IRQ_PCI_INTB		 9
63 #define MICRODEV_IRQ_PCI_INTC		10
64 #define MICRODEV_IRQ_PCI_INTD		11
65 
66 #define __IO_PREFIX microdev
67 #include <asm/io_generic.h>
68 
69 #endif /* __ASM_SH_MICRODEV_H */
70