xref: /netbsd/sys/arch/arm/xscale/beccvar.h (revision 2e42c2b1)
1 /*	$NetBSD: beccvar.h,v 1.4 2012/10/14 14:20:57 msaitoh Exp $	*/
2 
3 /*
4  * Copyright (c) 2002, 2003 Wasabi Systems, Inc.
5  * All rights reserved.
6  *
7  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *	This product includes software developed for the NetBSD Project by
20  *	Wasabi Systems, Inc.
21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22  *    or promote products derived from this software without specific prior
23  *    written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35  * POSSIBILITY OF SUCH DAMAGE.
36  */
37 
38 #ifndef _BECCVAR_H_
39 #define	_BECCVAR_H_
40 
41 #include <sys/queue.h>
42 #include <dev/pci/pcivar.h>
43 
44 /*
45  * There are roughly 32 interrupt sources.
46  */
47 #define	NIRQ		32
48 
49 struct intrhand {
50 	TAILQ_ENTRY(intrhand) ih_list;	/* link on intrq list */
51 	int (*ih_func)(void *);		/* handler */
52 	void *ih_arg;			/* arg for handler */
53 	int ih_ipl;			/* IPL_* */
54 	int ih_irq;			/* IRQ number */
55 };
56 
57 struct intrq {
58 	TAILQ_HEAD(, intrhand) iq_list;	/* handler list */
59 	struct evcnt iq_ev;		/* event counter */
60 	int iq_mask;			/* IRQs to mask while handling */
61 	int iq_levels;			/* IPL_*'s this IRQ has */
62 	int iq_ist;			/* share type */
63 };
64 
65 struct becc_softc {
66 	device_t sc_dev;		/* generic device glue */
67 
68 	/*
69 	 * We expect the board-specific front-end to have already mapped
70 	 * the PCI I/O, memory, and configuration spaces.
71 	 */
72 	vaddr_t sc_pci_io_base;		/* I/O window vaddr */
73 	vaddr_t sc_pci_mem_base[2];	/* MEM window vaddr */
74 	vaddr_t sc_pci_cfg_base;	/* CFG window vaddr */
75 
76 	/*
77 	 * These define the 2 32M PCI Inbound windows and 1 128M (rev8 & up).
78 	 */
79 	struct {
80 		uint32_t iwin_base;	/* PCI address */
81 		uint32_t iwin_xlate;	/* local address */
82 	} sc_iwin[3];
83 
84 	/*
85 	 * Variables that define the 2 32M PCI Outbound windows and
86 	 * 1 1G (rev8 & up).
87 	 */
88 	uint32_t sc_owin_xlate[3];	/* PCI address */
89 
90 	/*
91 	 * This is the PCI address that the Outbound I/O
92 	 * window maps to.
93 	 */
94 	uint32_t sc_ioout_xlate;
95 
96 	/* Bus space, DMA, and PCI tags for the PCI bus. */
97 	struct bus_space sc_pci_iot;
98 	struct bus_space sc_pci_memt;
99 	struct arm32_bus_dma_tag sc_pci_dmat;
100 	struct arm32_pci_chipset sc_pci_chipset;
101 
102 	/* DMA window info for PCI DMA. */
103 	struct arm32_dma_range sc_pci_dma_range[3];
104 
105 	/* DMA tag for local DMA. */
106 	struct arm32_bus_dma_tag sc_local_dmat;
107 };
108 
109 struct becc_attach_args {
110 	bus_dma_tag_t	ba_dmat;
111 };
112 
113 extern int becc_rev;	/* Set by early bootstrap code */
114 extern const char *becc_revisions[];
115 extern void (*becc_hardclock_hook)(void);
116 
117 void	becc_calibrate_delay(void);
118 
119 void	becc_icu_init(void);
120 void	becc_intr_init(void);
121 void	*becc_intr_establish(int, int, int (*)(void *), void *);
122 void	becc_intr_disestablish(void *);
123 
124 void	becc_io_bs_init(bus_space_tag_t, void *);
125 void	becc_mem_bs_init(bus_space_tag_t, void *);
126 
127 void	becc_pci_init(pci_chipset_tag_t, void *);
128 
129 void	becc_attach(struct becc_softc *);
130 
131 uint32_t becc_pcicore_read(struct becc_softc *, bus_addr_t);
132 void	becc_pcicore_write(struct becc_softc *, bus_addr_t, uint32_t);
133 
134 #endif /* _BECCVAR_H_ */
135