xref: /OK3568_Linux_fs/kernel/arch/sh/include/mach-common/mach/microdev.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun  *
3*4882a593Smuzhiyun  * linux/include/asm-sh/microdev.h
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2003 Sean McGoogan (Sean.McGoogan@superh.com)
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * Definitions for the SuperH SH4-202 MicroDev board.
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun #ifndef __ASM_SH_MICRODEV_H
10*4882a593Smuzhiyun #define __ASM_SH_MICRODEV_H
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun extern void init_microdev_irq(void);
13*4882a593Smuzhiyun extern void microdev_print_fpga_intc_status(void);
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun /*
16*4882a593Smuzhiyun  * The following are useful macros for manipulating the interrupt
17*4882a593Smuzhiyun  * controller (INTC) on the CPU-board FPGA.  should be noted that there
18*4882a593Smuzhiyun  * is an INTC on the FPGA, and a separate INTC on the SH4-202 core -
19*4882a593Smuzhiyun  * these are two different things, both of which need to be prorammed to
20*4882a593Smuzhiyun  * correctly route - unfortunately, they have the same name and
21*4882a593Smuzhiyun  * abbreviations!
22*4882a593Smuzhiyun  */
23*4882a593Smuzhiyun #define	MICRODEV_FPGA_INTC_BASE		0xa6110000ul				/* INTC base address on CPU-board FPGA */
24*4882a593Smuzhiyun #define	MICRODEV_FPGA_INTENB_REG	(MICRODEV_FPGA_INTC_BASE+0ul)		/* Interrupt Enable Register on INTC on CPU-board FPGA */
25*4882a593Smuzhiyun #define	MICRODEV_FPGA_INTDSB_REG	(MICRODEV_FPGA_INTC_BASE+8ul)		/* Interrupt Disable Register on INTC on CPU-board FPGA */
26*4882a593Smuzhiyun #define	MICRODEV_FPGA_INTC_MASK(n)	(1ul<<(n))				/* Interrupt mask to enable/disable INTC in CPU-board FPGA */
27*4882a593Smuzhiyun #define	MICRODEV_FPGA_INTPRI_REG(n)	(MICRODEV_FPGA_INTC_BASE+0x10+((n)/8)*8)/* Interrupt Priority Register on INTC on CPU-board FPGA */
28*4882a593Smuzhiyun #define	MICRODEV_FPGA_INTPRI_LEVEL(n,x)	((x)<<(((n)%8)*4))			/* MICRODEV_FPGA_INTPRI_LEVEL(int_number, int_level) */
29*4882a593Smuzhiyun #define	MICRODEV_FPGA_INTPRI_MASK(n)	(MICRODEV_FPGA_INTPRI_LEVEL((n),0xful))	/* Interrupt Priority Mask on INTC on CPU-board FPGA */
30*4882a593Smuzhiyun #define	MICRODEV_FPGA_INTSRC_REG	(MICRODEV_FPGA_INTC_BASE+0x30ul)	/* Interrupt Source Register on INTC on CPU-board FPGA */
31*4882a593Smuzhiyun #define	MICRODEV_FPGA_INTREQ_REG	(MICRODEV_FPGA_INTC_BASE+0x38ul)	/* Interrupt Request Register on INTC on CPU-board FPGA */
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun /*
35*4882a593Smuzhiyun  * The following are the IRQ numbers for the Linux Kernel for external
36*4882a593Smuzhiyun  * interrupts.  i.e. the numbers seen by 'cat /proc/interrupt'.
37*4882a593Smuzhiyun  */
38*4882a593Smuzhiyun #define MICRODEV_LINUX_IRQ_KEYBOARD	 1	/* SuperIO Keyboard */
39*4882a593Smuzhiyun #define MICRODEV_LINUX_IRQ_SERIAL1	 2	/* SuperIO Serial #1 */
40*4882a593Smuzhiyun #define MICRODEV_LINUX_IRQ_ETHERNET	 3	/* on-board Ethnernet */
41*4882a593Smuzhiyun #define MICRODEV_LINUX_IRQ_SERIAL2	 4	/* SuperIO Serial #2 */
42*4882a593Smuzhiyun #define MICRODEV_LINUX_IRQ_USB_HC	 7	/* on-board USB HC */
43*4882a593Smuzhiyun #define MICRODEV_LINUX_IRQ_MOUSE	12	/* SuperIO PS/2 Mouse */
44*4882a593Smuzhiyun #define MICRODEV_LINUX_IRQ_IDE2		13	/* SuperIO IDE #2 */
45*4882a593Smuzhiyun #define MICRODEV_LINUX_IRQ_IDE1		14	/* SuperIO IDE #1 */
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun /*
48*4882a593Smuzhiyun  * The following are the IRQ numbers for the INTC on the FPGA for
49*4882a593Smuzhiyun  * external interrupts.  i.e. the bits in the INTC registers in the
50*4882a593Smuzhiyun  * FPGA.
51*4882a593Smuzhiyun  */
52*4882a593Smuzhiyun #define MICRODEV_FPGA_IRQ_KEYBOARD	 1	/* SuperIO Keyboard */
53*4882a593Smuzhiyun #define MICRODEV_FPGA_IRQ_SERIAL1	 3	/* SuperIO Serial #1 */
54*4882a593Smuzhiyun #define MICRODEV_FPGA_IRQ_SERIAL2	 4	/* SuperIO Serial #2 */
55*4882a593Smuzhiyun #define MICRODEV_FPGA_IRQ_MOUSE		12	/* SuperIO PS/2 Mouse */
56*4882a593Smuzhiyun #define MICRODEV_FPGA_IRQ_IDE1		14	/* SuperIO IDE #1 */
57*4882a593Smuzhiyun #define MICRODEV_FPGA_IRQ_IDE2		15	/* SuperIO IDE #2 */
58*4882a593Smuzhiyun #define MICRODEV_FPGA_IRQ_USB_HC	16	/* on-board USB HC */
59*4882a593Smuzhiyun #define MICRODEV_FPGA_IRQ_ETHERNET	18	/* on-board Ethnernet */
60*4882a593Smuzhiyun 
61*4882a593Smuzhiyun #define MICRODEV_IRQ_PCI_INTA		 8
62*4882a593Smuzhiyun #define MICRODEV_IRQ_PCI_INTB		 9
63*4882a593Smuzhiyun #define MICRODEV_IRQ_PCI_INTC		10
64*4882a593Smuzhiyun #define MICRODEV_IRQ_PCI_INTD		11
65*4882a593Smuzhiyun 
66*4882a593Smuzhiyun #define __IO_PREFIX microdev
67*4882a593Smuzhiyun #include <asm/io_generic.h>
68*4882a593Smuzhiyun 
69*4882a593Smuzhiyun #endif /* __ASM_SH_MICRODEV_H */
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