diff options
author | Jason Wright <jason@cvs.openbsd.org> | 2001-08-19 05:21:39 +0000 |
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committer | Jason Wright <jason@cvs.openbsd.org> | 2001-08-19 05:21:39 +0000 |
commit | b1557139df023d9b579e549469144cc917498bfc (patch) | |
tree | a81a962889a7562ca535a44ba9c86b94d584f9a6 /sys/arch/sparc64/dev/ebusreg.h | |
parent | ef7d382308d2792d80f735eca09fd3af06dbb586 (diff) |
Lot of stuff... Some from NetBSD, some from OpenBSD, minor modifications
Diffstat (limited to 'sys/arch/sparc64/dev/ebusreg.h')
-rw-r--r-- | sys/arch/sparc64/dev/ebusreg.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/sys/arch/sparc64/dev/ebusreg.h b/sys/arch/sparc64/dev/ebusreg.h new file mode 100644 index 00000000000..5ef7651212d --- /dev/null +++ b/sys/arch/sparc64/dev/ebusreg.h @@ -0,0 +1,95 @@ +/* $NetBSD: ebusreg.h,v 1.1 1999/06/04 13:29:13 mrg Exp $ */ + +/* + * Copyright (c) 1999 Matthew R. Green + * All rights reserved. + * + * 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. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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. + */ + +#ifndef _SPARC64_DEV_EBUSREG_H_ +#define _SPARC64_DEV_EBUSREG_H_ + +/* + * UltraSPARC `ebus' + * + * The `ebus' bus is designed to plug traditional PC-ISA devices into + * an SPARC system with as few costs as possible, without sacrificing + * to performance. Typically, it is implemented in the PCIO IC from + * SME, which also implements a `hme-compatible' PCI network device + * (`network'). The ebus has 4 DMA channels, similar to the DMA seen + * in the ESP SCSI DMA. + * + * Typical UltraSPARC systems have a NatSemi SuperIO IC to provide + * serial ports for the keyboard and mouse (`se'), floppy disk + * controller (`fdthree'), parallel port controller (`bpp') connected + * to the ebus, and a PCI-IDE controller (connected directly to the + * PCI bus, of course), as well as a Siemens Nixdorf SAB82532 dual + * channel serial controller (`su' providing ttya and ttyb), an MK48T59 + * EEPROM/clock controller (also where the idprom, including the + * ethernet address, is located), the audio system (`SUNW,CS4231', same + * as other UltraSPARC and some SPARC systems), and other various + * internal devices found on traditional SPARC systems such as the + * `power', `flashprom', etc., devices. + * + * The ebus uses an interrupt mapping scheme similar to PCI, though + * the actual structures are different. + */ + +/* + * ebus PROM structures + */ + +struct ebus_regs { + u_int32_t hi; /* high bits of physaddr */ + u_int32_t lo; + u_int32_t size; +}; + +#define EBUS_PADDR_FROM_REG(reg) ((((paddr_t)((reg)->hi)) << 32UL) | ((paddr_t)(reg)->lo)) + +struct ebus_ranges { + u_int32_t child_hi; /* child high phys addr */ + u_int32_t child_lo; /* child low phys addr */ + u_int32_t phys_hi; /* parent high phys addr */ + u_int32_t phys_mid; /* parent mid phys addr */ + u_int32_t phys_lo; /* parent low phys addr */ + u_int32_t size; +}; + +struct ebus_interrupt_map { + u_int32_t hi; /* high phys addr mask */ + u_int32_t lo; /* low phys addr mask */ + u_int32_t intr; /* interrupt mask */ + int32_t cnode; /* child node */ + u_int32_t cintr; /* child interrupt */ +}; + +struct ebus_interrupt_map_mask { + u_int32_t hi; /* high phys addr */ + u_int32_t lo; /* low phys addr */ + u_int32_t intr; /* interrupt */ +}; + +#endif /* _SPARC64_DEV_EBUSREG_H_ */ |