1 /* $NetBSD: i80321var.h,v 1.8 2003/10/06 16:06:06 thorpej 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 * $FreeBSD: stable/9/sys/arm/xscale/i80321/i80321var.h 171628 2007-07-27 14:53:06Z cognet $ 38 * 39 */ 40 41 #ifndef _ARM_XSCALE_I80321VAR_H_ 42 #define _ARM_XSCALE_I80321VAR_H_ 43 44 #include <sys/queue.h> 45 #include <dev/pci/pcivar.h> 46 #include <sys/rman.h> 47 48 extern struct bus_space i80321_bs_tag; 49 50 struct i80321_softc { 51 device_t dev; 52 bus_space_tag_t sc_st; 53 bus_space_handle_t sc_sh; 54 /* Handles for the various subregions. */ 55 bus_space_handle_t sc_atu_sh; 56 bus_space_handle_t sc_mcu_sh; 57 int sc_is_host; 58 59 /* 60 * We expect the board-specific front-end to have already mapped 61 * the PCI I/O space .. it is only 64K, and I/O mappings tend to 62 * be smaller than a page size, so it's generally more efficient 63 * to map them all into virtual space in one fell swoop. 64 */ 65 vm_offset_t sc_iow_vaddr; /* I/O window vaddr */ 66 67 /* 68 * Variables that define the Inbound windows. The base address of 69 * 0-2 are configured by a host via BARs. The xlate variable 70 * defines the start of the local address space that it maps to. 71 * The size variable defines the byte size. 72 * 73 * The first 3 windows are for incoming PCI memory read/write 74 * cycles from a host. The 4th window, not configured by the 75 * host (as it outside the normal BAR range) is the inbound 76 * window for PCI devices controlled by the i80321. 77 */ 78 struct { 79 uint32_t iwin_base_hi; 80 uint32_t iwin_base_lo; 81 uint32_t iwin_xlate; 82 uint32_t iwin_size; 83 } sc_iwin[4]; 84 85 /* 86 * Variables that define the Outbound windows. 87 */ 88 struct { 89 uint32_t owin_xlate_lo; 90 uint32_t owin_xlate_hi; 91 } sc_owin[2]; 92 93 /* 94 * This is the PCI address that the Outbound I/O 95 * window maps to. 96 */ 97 uint32_t sc_ioout_xlate; 98 99 /* Bus space, DMA, and PCI tags for the PCI bus (private devices). */ 100 struct bus_space sc_pci_iot; 101 struct bus_space sc_pci_memt; 102 103 /* GPIO state */ 104 uint8_t sc_gpio_dir; /* GPIO pin direction (1 == output) */ 105 uint8_t sc_gpio_val; /* GPIO output pin value */ 106 struct rman sc_irq_rman; 107 108 }; 109 110 111 struct i80321_pci_softc { 112 device_t sc_dev; 113 bus_space_tag_t sc_st; 114 bus_space_handle_t sc_atu_sh; 115 bus_space_tag_t sc_pciio; 116 bus_space_tag_t sc_pcimem; 117 int sc_busno; 118 struct rman sc_mem_rman; 119 struct rman sc_io_rman; 120 struct rman sc_irq_rman; 121 uint32_t sc_mem; 122 uint32_t sc_io; 123 }; 124 125 void i80321_sdram_bounds(bus_space_tag_t, bus_space_handle_t, 126 vm_paddr_t *, vm_size_t *); 127 128 void i80321_attach(struct i80321_softc *); 129 void i80321_calibrate_delay(void); 130 131 void i80321_bs_init(bus_space_tag_t, void *); 132 void i80321_io_bs_init(bus_space_tag_t, void *); 133 void i80321_mem_bs_init(bus_space_tag_t, void *); 134 extern int machdep_pci_route_interrupt(device_t pcib, device_t dev, int pin); 135 136 137 #endif /* _ARM_XSCALE_I80321VAR_H_ */ 138