1 /* *********************************************************************
2 * Broadcom Common Firmware Environment (CFE)
4 * "Hyperspace" access routines File: lib_hssubr.h
6 * Constants, macros, and definitions for routines to deal with
7 * hyperspace (beyond 256MB) on MIPS processors.
9 * Author: Mitch Lichtenberg (mpl@broadcom.com)
11 *********************************************************************
13 * Copyright 2000,2001,2002,2003
14 * Broadcom Corporation. All rights reserved.
16 * This software is furnished under license and may be used and
17 * copied only in accordance with the following terms and
18 * conditions. Subject to these conditions, you may download,
19 * copy, install, use, modify and distribute modified or unmodified
20 * copies of this software in source and/or binary form. No title
21 * or ownership is transferred hereby.
23 * 1) Any source code used, modified or distributed must reproduce
24 * and retain this copyright notice and list of conditions
25 * as they appear in the source file.
27 * 2) No right is granted to use any trade name, trademark, or
28 * logo of Broadcom Corporation. The "Broadcom Corporation"
29 * name may not be used to endorse or promote products derived
30 * from this software without the prior written permission of
31 * Broadcom Corporation.
33 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
34 * IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
35 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
36 * PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
37 * SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
38 * PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
39 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
40 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
41 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
42 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
43 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
44 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
45 * THE POSSIBILITY OF SUCH DAMAGE.
46 ********************************************************************* */
53 * If __long64 we can do this via macros. Otherwise, call
54 * the magic functions.
59 typedef long hsaddr_t
;
61 #define hs_write8(a,b) *((volatile uint8_t *) (a)) = (b)
62 #define hs_write16(a,b) *((volatile uint16_t *) (a)) = (b)
63 #define hs_write32(a,b) *((volatile uint32_t *) (a)) = (b)
64 #define hs_write64(a,b) *((volatile uint32_t *) (a)) = (b)
65 #define hs_read8(a) *((volatile uint8_t *) (a))
66 #define hs_read16(a) *((volatile uint16_t *) (a))
67 #define hs_read32(a) *((volatile uint32_t *) (a))
68 #define hs_read64(a) *((volatile uint64_t *) (a))
70 #else /* not __long64 */
72 typedef long long hsaddr_t
;
74 extern void hs_write8(hsaddr_t a
,uint8_t b
);
75 extern void hs_write16(hsaddr_t a
,uint16_t b
);
76 extern void hs_write32(hsaddr_t a
,uint32_t b
);
77 extern void hs_write64(hsaddr_t a
,uint64_t b
);
78 extern uint8_t hs_read8(hsaddr_t a
);
79 extern uint16_t hs_read16(hsaddr_t a
);
80 extern uint32_t hs_read32(hsaddr_t a
);
81 extern uint64_t hs_read64(hsaddr_t a
);