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/* $NetBSD: i80321var.h,v 1.8 2003/10/06 16:06:06 thorpej Exp $ */
/*
* Copyright (c) 2002, 2003 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Jason R. Thorpe for Wasabi Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#ifndef _ARM_XSCALE_I80321VAR_H_
#define _ARM_XSCALE_I80321VAR_H_
#include <sys/queue.h>
#include <dev/pci/pcivar.h>
/*
* There are roughly 32 interrupt sources.
*/
#define NIRQ 32
extern struct bus_space i80321_bs_tag;
struct i80321_softc {
device_t dev;
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
/* Handles for the various subregions. */
bus_space_handle_t sc_atu_sh;
bus_space_handle_t sc_mcu_sh;
int sc_is_host;
/*
* We expect the board-specific front-end to have already mapped
* the PCI I/O space .. it is only 64K, and I/O mappings tend to
* be smaller than a page size, so it's generally more efficient
* to map them all into virtual space in one fell swoop.
*/
vm_offset_t sc_iow_vaddr; /* I/O window vaddr */
/*
* Variables that define the Inbound windows. The base address of
* 0-2 are configured by a host via BARs. The xlate variable
* defines the start of the local address space that it maps to.
* The size variable defines the byte size.
*
* The first 3 windows are for incoming PCI memory read/write
* cycles from a host. The 4th window, not configured by the
* host (as it outside the normal BAR range) is the inbound
* window for PCI devices controlled by the i80321.
*/
struct {
uint32_t iwin_base_hi;
uint32_t iwin_base_lo;
uint32_t iwin_xlate;
uint32_t iwin_size;
} sc_iwin[4];
/*
* Variables that define the Outbound windows.
*/
struct {
uint32_t owin_xlate_lo;
uint32_t owin_xlate_hi;
} sc_owin[2];
/*
* This is the PCI address that the Outbound I/O
* window maps to.
*/
uint32_t sc_ioout_xlate;
/* Bus space, DMA, and PCI tags for the PCI bus (private devices). */
struct bus_space sc_pci_iot;
struct bus_space sc_pci_memt;
/* GPIO state */
uint8_t sc_gpio_dir; /* GPIO pin direction (1 == output) */
uint8_t sc_gpio_val; /* GPIO output pin value */
};
void i80321_sdram_bounds(bus_space_tag_t, bus_space_handle_t,
vm_paddr_t *, vm_size_t *);
void i80321_attach(struct i80321_softc *);
void i80321_calibrate_delay(void);
void i80321_bs_init(bus_space_tag_t, void *);
void i80321_io_bs_init(bus_space_tag_t, void *);
void i80321_mem_bs_init(bus_space_tag_t, void *);
#endif /* _ARM_XSCALE_I80321VAR_H_ */
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