1 /* $Id: arbusvar.h,v 1.5 2015/06/09 22:50:50 matt Exp $ */
2 /*
3  * Copyright (c) 2006 Urbana-Champaign Independent Media Center.
4  * Copyright (c) 2006 Garrett D'Amore.
5  * All rights reserved.
6  *
7  * This code was written by Garrett D'Amore for the Champaign-Urbana
8  * Community Wireless Network Project.
9  *
10  * Redistribution and use in source and binary forms, with or
11  * without modification, are permitted provided that the following
12  * conditions are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above
16  *    copyright notice, this list of conditions and the following
17  *    disclaimer in the documentation and/or other materials provided
18  *    with the distribution.
19  * 3. All advertising materials mentioning features or use of this
20  *    software must display the following acknowledgements:
21  *      This product includes software developed by the Urbana-Champaign
22  *      Independent Media Center.
23  *        This product includes software developed by Garrett D'Amore.
24  * 4. Urbana-Champaign Independent Media Center's name and Garrett
25  *    D'Amore's name may not be used to endorse or promote products
26  *    derived from this software without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE URBANA-CHAMPAIGN INDEPENDENT
29  * MEDIA CENTER AND GARRETT D'AMORE ``AS IS'' AND ANY EXPRESS OR
30  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
31  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE URBANA-CHAMPAIGN INDEPENDENT
33  * MEDIA CENTER OR GARRETT D'AMORE BE LIABLE FOR ANY DIRECT, INDIRECT,
34  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
35  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
36  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
37  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
38  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
39  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
40  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41  */
42 
43 #ifndef   _MIPS_ATHEROS_ARBUSVAR_H_
44 #define   _MIPS_ATHEROS_ARBUSVAR_H_
45 
46 #include <sys/bus.h>
47 #include <sys/cpu.h>
48 
49 #include <mips/cpuregs.h>
50 
51 struct arbus_attach_args {
52           const char          *aa_name;
53           bus_space_tag_t     aa_bst;
54           bus_space_tag_t     aa_bst_le;
55           bus_dma_tag_t       aa_dmat;
56 
57           bus_addr_t          aa_addr;
58           bus_size_t          aa_size;
59           int                 aa_cirq;  /* cpu irq */
60           int                 aa_mirq;  /* misc irq */
61 };
62 
63 void arbus_init(void);
64 void arbusle_bus_mem_init(bus_space_tag_t, void *);
65 bus_space_tag_t arbus_get_bus_space_tag(void);
66 bus_dma_tag_t arbus_get_bus_dma_tag(void);
67 
68 void *arbus_intr_establish(int, int, int (*)(void *), void *);
69 void arbus_intr_disestablish(void *);
70 
71 void com_arbus_cnattach(bus_addr_t, uint32_t);
72 
73 /*
74  * These definitions are "funny".  To distinquish between
75  * miscellaneous IRQs and global processor interrupts, we encode the
76  * IRQ as (cpuirq) | ((miscirq) << 4).
77  *
78  * Note that these IRQs seem to be general on all AR531X based parts.
79  */
80 
81 #define   ARBUS_IRQ_CPU_M               0xf
82 #define   ARBUS_IRQ_CPU_S               0
83 #define   ARBUS_IRQ_MISC_M    0xf0
84 #define   ARBUS_IRQ_MISC_S    4
85 #define   ARBUS_IRQ_CPU(x)    (((x) & ARBUS_IRQ_CPU_M) >> ARBUS_IRQ_CPU_S)
86 #define   ARBUS_IRQ_MISC(x)   (((x) & ARBUS_IRQ_MISC_M) >> ARBUS_IRQ_MISC_S)
87 #define   ARBUS_MAKE_IRQ(c,m) \
88           (((c) << ARBUS_IRQ_CPU_S) | ((m) << ARBUS_IRQ_MISC_S))
89 
90 #define   ARBUS_IRQ_WLAN0               ARBUS_MAKE_IRQ(0,0)
91 #define   ARBUS_IRQ_ENET0               ARBUS_MAKE_IRQ(1,0)
92 #define   ARBUS_IRQ_ENET1               ARBUS_MAKE_IRQ(2,0)
93 #define   ARBUS_IRQ_WLAN1               ARBUS_MAKE_IRQ(3,0)
94 #define   ARBUS_IRQ_TIMER               ARBUS_MAKE_IRQ(4,0)
95 #define   ARBUS_IRQ_AHBPERR   ARBUS_MAKE_IRQ(4,1)
96 #define   ARBUS_IRQ_AHBDMAE   ARBUS_MAKE_IRQ(4,2)
97 #define   ARBUS_IRQ_GPIO                ARBUS_MAKE_IRQ(4,3)
98 #define   ARBUS_IRQ_UART0               ARBUS_MAKE_IRQ(4,4)
99 #define   ARBUS_IRQ_UART0_DMA ARBUS_MAKE_IRQ(4,5)
100 #define   ARBUS_IRQ_WDOG                ARBUS_MAKE_IRQ(4,6)
101 
102 #endif /* _MIPS_ATHEROS_ARBUSVAR_H_ */
103