HardenedBSD/sys/powerpc/include/resource.h
John Baldwin a82470212b powerpc: Add RF_LITTLEENDIAN resource flag
If this powerpc-specific flag is set on a resource, then the
little-endian bus tag is always used when mapping that resource.

Make use of this flag in the mpc85xx/fsl_sata driver to avoid setting
the SATA BAR's bus tag after bus_alloc_resource.

Reviewed by:	jhibbits
Differential Revision:	https://reviews.freebsd.org/D43553
2024-01-23 09:38:36 -08:00

52 lines
2.0 KiB
C

/*-
* Copyright 1998 Massachusetts Institute of Technology
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby
* granted, provided that both the above copyright notice and this
* permission notice appear in all copies, that both the above
* copyright notice and this permission notice appear in all
* supporting documentation, and that the name of M.I.T. not be used
* in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission. M.I.T. makes
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
* SHALL M.I.T. 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 _MACHINE_RESOURCE_H_
#define _MACHINE_RESOURCE_H_ 1
/*
* Definitions of resource types for Intel Architecture machines
* with support for legacy ISA devices and drivers.
*/
#define SYS_RES_IRQ 1 /* interrupt lines */
#define SYS_RES_DRQ 2 /* isa dma lines */
#define SYS_RES_MEMORY 3 /* i/o memory */
#define SYS_RES_IOPORT 4 /* i/o ports */
#define PCI_RES_BUS 5 /* PCI bus numbers */
/*
* A powerpc-specific resource flag to request little-endian bus tags
* for a resource.
*/
#define RF_LITTLEENDIAN RF_SPARE1
#endif /* !_MACHINE_RESOURCE_H_ */