mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
a57140e9a8
Converted bridge code to a platform driver using the PCI generic driver
framework and use adding platform devices during xtalk scan. This allows
easier sharing bridge driver for other SGI platforms like IP30 (Octane) and
IP35 (Origin 3k, Fuel, Tezro).
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
[paul.burton@mips.com:
- Leave __phys_to_dma(), __dma_to_phys() & pcibus_to_node() in
arch/mips/pci/pci-ip27.c since the motivation for moving them
disappeared when the driver stopped being moved to drivers/pci.]
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* xtalk.h -- platform-independent crosstalk interface, derived from
|
|
* IRIX <sys/PCI/bridge.h>, revision 1.38.
|
|
*
|
|
* Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc.
|
|
* Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
|
|
*/
|
|
#ifndef _ASM_XTALK_XTALK_H
|
|
#define _ASM_XTALK_XTALK_H
|
|
|
|
#ifndef __ASSEMBLY__
|
|
/*
|
|
* User-level device driver visible types
|
|
*/
|
|
typedef char xwidgetnum_t; /* xtalk widget number (0..15) */
|
|
|
|
#define XWIDGET_NONE -1
|
|
|
|
typedef int xwidget_part_num_t; /* xtalk widget part number */
|
|
|
|
#define XWIDGET_PART_NUM_NONE -1
|
|
|
|
typedef int xwidget_rev_num_t; /* xtalk widget revision number */
|
|
|
|
#define XWIDGET_REV_NUM_NONE -1
|
|
|
|
typedef int xwidget_mfg_num_t; /* xtalk widget manufacturing ID */
|
|
|
|
#define XWIDGET_MFG_NUM_NONE -1
|
|
|
|
typedef struct xtalk_piomap_s *xtalk_piomap_t;
|
|
|
|
/* It is often convenient to fold the XIO target port
|
|
* number into the XIO address.
|
|
*/
|
|
#define XIO_NOWHERE (0xFFFFFFFFFFFFFFFFull)
|
|
#define XIO_ADDR_BITS (0x0000FFFFFFFFFFFFull)
|
|
#define XIO_PORT_BITS (0xF000000000000000ull)
|
|
#define XIO_PORT_SHIFT (60)
|
|
|
|
#define XIO_PACKED(x) (((x)&XIO_PORT_BITS) != 0)
|
|
#define XIO_ADDR(x) ((x)&XIO_ADDR_BITS)
|
|
#define XIO_PORT(x) ((xwidgetnum_t)(((x)&XIO_PORT_BITS) >> XIO_PORT_SHIFT))
|
|
#define XIO_PACK(p, o) ((((uint64_t)(p))<<XIO_PORT_SHIFT) | ((o)&XIO_ADDR_BITS))
|
|
|
|
#endif /* !__ASSEMBLY__ */
|
|
|
|
#endif /* _ASM_XTALK_XTALK_H */
|