xref: /netbsd-src/sys/arch/powerpc/include/booke/e500var.h (revision a5847cc334d9a7029f6352b847e9e8d71a0f9e0c)
1 /*	$NetBSD: e500var.h,v 1.4 2011/06/29 06:01:33 matt Exp $	*/
2 /*-
3  * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to The NetBSD Foundation
7  * by Raytheon BBN Technologies Corp and Defense Advanced Research Projects
8  * Agency and which was developed by Matt Thomas of 3am Software Foundry.
9  *
10  * This material is based upon work supported by the Defense Advanced Research
11  * Projects Agency and Space and Naval Warfare Systems Center, Pacific, under
12  * Contract No. N66001-09-C-2073.
13  * Approved for Public Release, Distribution Unlimited
14  *
15  * Redistribution and use in source and binary forms, with or without
16  * modification, are permitted provided that the following conditions
17  * are met:
18  * 1. Redistributions of source code must retain the above copyright
19  *    notice, this list of conditions and the following disclaimer.
20  * 2. Redistributions in binary form must reproduce the above copyright
21  *    notice, this list of conditions and the following disclaimer in the
22  *    documentation and/or other materials provided with the distribution.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
25  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
28  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34  * POSSIBILITY OF SUCH DAMAGE.
35  */
36 
37 #ifndef _POWERPC_BOOKE_E500VAR_H_
38 #define _POWERPC_BOOKE_E500VAR_H_
39 
40 #ifdef _KERNEL
41 
42 #include <sys/device.h>
43 #include <sys/extent.h>
44 
45 #ifdef _KERNEL_OPT
46 #include "locators.h"
47 #endif
48 
49 #define	E500_CLOCK_TIMER	0	/* could be 0..3 */
50 
51 extern const struct intrsw e500_intrsw;
52 struct extent *pcimem_ex;
53 struct extent *pciio_ex;
54 void	e500_device_register(device_t, void *);
55 int	e500_clock_intr(void *);
56 void	e500_cpu_start(void);
57 void	e500_tlb_init(vaddr_t, psize_t);
58 bool	e500_device_disabled_p(uint32_t);
59 
60 struct e500_truthtab {
61 	uint16_t tt_svrhi;
62 	uint16_t tt_instance;
63 	uint32_t tt_mask;
64 	uint32_t tt_value;
65 	u_int tt_result;
66 };
67 
68 #define	TRUTH_ENCODE(svr, inst, mask, value, result)	\
69 	{						\
70 		.tt_svrhi = (svr) >> 16,		\
71 		.tt_instance = (inst),			\
72 		.tt_mask = (mask),			\
73 		.tt_value = (value),			\
74 		.tt_result = (result),			\
75 	}
76 
77 u_int	e500_truth_decode(u_int, uint32_t, const struct e500_truthtab *,
78 	    size_t, u_int);
79 uint16_t e500_get_svr(void);
80 #ifdef _KERNEL_OPT
81 int	e500_cpunode_submatch(device_t, cfdata_t, const char *, void *);
82 #endif
83 
84 /*
85  * Used by MP hatch code to fetch the TLB1 entries so they be setup on the
86  * just hatched CPU.
87  */
88 void *	e500_tlb1_fetch(size_t);
89 void	e500_tlb1_sync(void);
90 void	e500_ipi_halt(void);
91 void	e500_spinup_trampoline(void);
92 void	e500_cpu_hatch(struct cpu_info *);
93 
94 void	pq3gpio_attach(device_t, device_t, void *);
95 
96 /*
97  * For a lack of a better place, define this u-boot structure here.
98  */
99 
100 struct uboot_spinup_entry {
101 	uint32_t entry_addr_upper;
102 	uint32_t entry_addr_lower;
103 	uint32_t entry_r3_upper;
104 	uint32_t entry_r3_lower;
105 	uint32_t entry__rsvd;
106 	uint32_t entry_pir;
107 	uint32_t entry_r6_upper;
108 	uint32_t entry_r6_lower;
109 };
110 
111 #endif /* _KERNEL */
112 
113 #endif /* !_POWERPC_BOOKE_E500VAR_H_ */
114