1 /* $Id: arbusvar.h,v 1.4 2011/07/10 06:26:02 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 48 struct arbus_attach_args { 49 const char *aa_name; 50 bus_space_tag_t aa_bst; 51 bus_space_tag_t aa_bst_le; 52 bus_dma_tag_t aa_dmat; 53 54 bus_addr_t aa_addr; 55 bus_size_t aa_size; 56 int aa_cirq; /* cpu irq */ 57 int aa_mirq; /* misc irq */ 58 }; 59 60 void arbus_init(void); 61 void arbusle_bus_mem_init(bus_space_tag_t, void *); 62 bus_space_tag_t arbus_get_bus_space_tag(void); 63 bus_dma_tag_t arbus_get_bus_dma_tag(void); 64 65 void *arbus_intr_establish(int, int, int (*)(void *), void *); 66 void arbus_intr_disestablish(void *); 67 68 void com_arbus_cnattach(bus_addr_t, uint32_t); 69 70 /* 71 * These definitions are "funny". To distinquish between 72 * miscellaneous IRQs and global processor interrupts, we encode the 73 * IRQ as (cpuirq) | ((miscirq) << 4). 74 * 75 * Note that these IRQs seem to be general on all AR531X based parts. 76 */ 77 78 #define ARBUS_IRQ_CPU_M 0xf 79 #define ARBUS_IRQ_CPU_S 0 80 #define ARBUS_IRQ_MISC_M 0xf0 81 #define ARBUS_IRQ_MISC_S 4 82 #define ARBUS_IRQ_CPU(x) (((x) & ARBUS_IRQ_CPU_M) >> ARBUS_IRQ_CPU_S) 83 #define ARBUS_IRQ_MISC(x) (((x) & ARBUS_IRQ_MISC_M) >> ARBUS_IRQ_MISC_S) 84 #define ARBUS_MAKE_IRQ(c,m) \ 85 (((c) << ARBUS_IRQ_CPU_S) | ((m) << ARBUS_IRQ_MISC_S)) 86 87 #define ARBUS_IRQ_WLAN0 ARBUS_MAKE_IRQ(0,0) 88 #define ARBUS_IRQ_ENET0 ARBUS_MAKE_IRQ(1,0) 89 #define ARBUS_IRQ_ENET1 ARBUS_MAKE_IRQ(2,0) 90 #define ARBUS_IRQ_WLAN1 ARBUS_MAKE_IRQ(3,0) 91 #define ARBUS_IRQ_TIMER ARBUS_MAKE_IRQ(4,0) 92 #define ARBUS_IRQ_AHBPERR ARBUS_MAKE_IRQ(4,1) 93 #define ARBUS_IRQ_AHBDMAE ARBUS_MAKE_IRQ(4,2) 94 #define ARBUS_IRQ_GPIO ARBUS_MAKE_IRQ(4,3) 95 #define ARBUS_IRQ_UART0 ARBUS_MAKE_IRQ(4,4) 96 #define ARBUS_IRQ_UART0_DMA ARBUS_MAKE_IRQ(4,5) 97 #define ARBUS_IRQ_WDOG ARBUS_MAKE_IRQ(4,6) 98 99 #endif /* _MIPS_ATHEROS_ARBUSVAR_H_ */ 100