diff options
Diffstat (limited to 'cfe/cfe/arch/mips/common/include/lib_hssubr.h')
| -rw-r--r-- | cfe/cfe/arch/mips/common/include/lib_hssubr.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/cfe/cfe/arch/mips/common/include/lib_hssubr.h b/cfe/cfe/arch/mips/common/include/lib_hssubr.h new file mode 100644 index 0000000..b4df439 --- /dev/null +++ b/cfe/cfe/arch/mips/common/include/lib_hssubr.h @@ -0,0 +1,84 @@ +/* ********************************************************************* + * Broadcom Common Firmware Environment (CFE) + * + * "Hyperspace" access routines File: lib_hssubr.h + * + * Constants, macros, and definitions for routines to deal with + * hyperspace (beyond 256MB) on MIPS processors. + * + * Author: Mitch Lichtenberg (mpl@broadcom.com) + * + ********************************************************************* + * + * Copyright 2000,2001,2002,2003 + * Broadcom Corporation. All rights reserved. + * + * This software is furnished under license and may be used and + * copied only in accordance with the following terms and + * conditions. Subject to these conditions, you may download, + * copy, install, use, modify and distribute modified or unmodified + * copies of this software in source and/or binary form. No title + * or ownership is transferred hereby. + * + * 1) Any source code used, modified or distributed must reproduce + * and retain this copyright notice and list of conditions + * as they appear in the source file. + * + * 2) No right is granted to use any trade name, trademark, or + * logo of Broadcom Corporation. The "Broadcom Corporation" + * name may not be used to endorse or promote products derived + * from this software without the prior written permission of + * Broadcom Corporation. + * + * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED + * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR + * PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT + * SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN + * PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR 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), EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + ********************************************************************* */ + + +#ifndef _LIB_HSSUBR_H +#define _LIB_HSSUBR_H + +/* + * If __long64 we can do this via macros. Otherwise, call + * the magic functions. + */ + +#if __long64 + +typedef long hsaddr_t; + +#define hs_write8(a,b) *((volatile uint8_t *) (a)) = (b) +#define hs_write16(a,b) *((volatile uint16_t *) (a)) = (b) +#define hs_write32(a,b) *((volatile uint32_t *) (a)) = (b) +#define hs_write64(a,b) *((volatile uint32_t *) (a)) = (b) +#define hs_read8(a) *((volatile uint8_t *) (a)) +#define hs_read16(a) *((volatile uint16_t *) (a)) +#define hs_read32(a) *((volatile uint32_t *) (a)) +#define hs_read64(a) *((volatile uint64_t *) (a)) + +#else /* not __long64 */ + +typedef long long hsaddr_t; + +extern void hs_write8(hsaddr_t a,uint8_t b); +extern void hs_write16(hsaddr_t a,uint16_t b); +extern void hs_write32(hsaddr_t a,uint32_t b); +extern void hs_write64(hsaddr_t a,uint64_t b); +extern uint8_t hs_read8(hsaddr_t a); +extern uint16_t hs_read16(hsaddr_t a); +extern uint32_t hs_read32(hsaddr_t a); +extern uint64_t hs_read64(hsaddr_t a); +#endif + +#endif |