rmixlvar.h revision 1.3 1 /* $NetBSD: rmixlvar.h,v 1.3 2011/02/20 07:48:37 matt Exp $ */
2
3 /*
4 * Copyright 2002 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Simon Burge for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed for the NetBSD Project by
20 * Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 * or promote products derived from this software without specific prior
23 * written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38 #ifndef _MIPS_RMI_RMIXLVAR_H_
39 #define _MIPS_RMI_RMIXLVAR_H_
40
41 #include <mips/cpu.h>
42 #include <mips/locore.h>
43 #include <mips/rmi/rmixl_firmware.h>
44
45 #include <machine/bus.h>
46
47 #include <dev/pci/pcivar.h>
48
49 extern void rmixl_pcr_init_core(void);
50
51 static inline bool
52 cpu_rmixl(const struct pridtab *ct)
53 {
54 if (ct->cpu_cid == MIPS_PRID_CID_RMI)
55 return true;
56 return false;
57 }
58
59 static inline bool
60 cpu_rmixlr(const struct pridtab *ct)
61 {
62 u_int type = ct->cpu_cidflags & MIPS_CIDFL_RMI_TYPE;
63 if (cpu_rmixl(ct) && type == CIDFL_RMI_TYPE_XLR)
64 return true;
65 return false;
66 }
67
68 static inline bool
69 cpu_rmixls(const struct pridtab *ct)
70 {
71 u_int type = ct->cpu_cidflags & MIPS_CIDFL_RMI_TYPE;
72 if (cpu_rmixl(ct) && type == CIDFL_RMI_TYPE_XLS)
73 return true;
74 return false;
75 }
76
77 static inline bool
78 cpu_rmixlp(const struct pridtab *ct)
79 {
80 u_int type = ct->cpu_cidflags & MIPS_CIDFL_RMI_TYPE;
81 if (cpu_rmixl(ct) && type == CIDFL_RMI_TYPE_XLP)
82 return true;
83 return false;
84 }
85
86 static inline int
87 cpu_rmixl_chip_type(const struct pridtab *ct)
88 {
89 return ct->cpu_cidflags & MIPS_CIDFL_RMI_TYPE;
90 }
91
92 typedef enum {
93 PSB_TYPE_UNKNOWN=0,
94 PSB_TYPE_RMI,
95 PSB_TYPE_DELL,
96 } rmixlfw_psb_type_t;
97
98 static inline const char *
99 rmixlfw_psb_type_name(rmixlfw_psb_type_t type)
100 {
101 switch(type) {
102 case PSB_TYPE_UNKNOWN:
103 return "unknown";
104 case PSB_TYPE_RMI:
105 return "RMI";
106 case PSB_TYPE_DELL:
107 return "DELL";
108 default:
109 return "undefined";
110 }
111 }
112
113 struct rmixl_config {
114 uint64_t rc_io_pbase;
115 bus_addr_t rc_pci_cfg_pbase;
116 bus_size_t rc_pci_cfg_size;
117 bus_addr_t rc_pci_ecfg_pbase;
118 bus_size_t rc_pci_ecfg_size;
119 bus_addr_t rc_pci_mem_pbase;
120 bus_size_t rc_pci_mem_size;
121 bus_addr_t rc_pci_io_pbase;
122 bus_size_t rc_pci_io_size;
123 struct mips_bus_space rc_obio_eb_memt; /* DEVIO -eb */
124 struct mips_bus_space rc_obio_el_memt; /* DEVIO -el */
125 struct mips_bus_space rc_pci_cfg_memt; /* PCI CFG */
126 struct mips_bus_space rc_pci_ecfg_memt; /* PCI ECFG */
127 struct mips_bus_space rc_pci_memt; /* PCI MEM */
128 struct mips_bus_space rc_pci_iot; /* PCI IO */
129 struct mips_bus_dma_tag rc_dma_tag;
130 bus_dma_tag_t rc_64bit_dmat;
131 bus_dma_tag_t rc_32bit_dmat;
132 bus_dma_tag_t rc_29bit_dmat;
133 struct extent *rc_phys_ex; /* Note: MB units */
134 struct extent *rc_obio_eb_ex;
135 struct extent *rc_obio_el_ex;
136 struct extent *rc_pci_cfg_ex;
137 struct extent *rc_pci_ecfg_ex;
138 struct extent *rc_pci_mem_ex;
139 struct extent *rc_pci_io_ex;
140 int rc_mallocsafe;
141 rmixlfw_info_t rc_psb_info;
142 rmixlfw_psb_type_t rc_psb_type;
143 volatile struct rmixlfw_cpu_wakeup_info
144 *rc_cpu_wakeup_info;
145 const void *rc_cpu_wakeup_end;
146 };
147
148 extern struct rmixl_config rmixl_configuration;
149
150 extern void rmixl_obio_eb_bus_mem_init(bus_space_tag_t, void *);
151 extern void rmixl_obio_el_bus_mem_init(bus_space_tag_t, void *);
152 extern void rmixl_pci_cfg_bus_mem_init(bus_space_tag_t, void *);
153 extern void rmixl_pci_ecfg_bus_mem_init(bus_space_tag_t, void *);
154 extern void rmixl_pci_bus_mem_init(bus_space_tag_t, void *);
155 extern void rmixl_pci_bus_io_init(bus_space_tag_t, void *);
156
157 extern void rmixl_addr_error_init(void);
158 extern int rmixl_addr_error_check(void);
159
160 extern uint64_t rmixl_mfcr(u_int);
161 extern void rmixl_mtcr(uint64_t, u_int);
162
163
164 /*
165 * rmixl_cache_err_dis:
166 * - disable Cache, Data ECC, Snoop Tag Parity, Tag Parity errors
167 * - clear the cache error log
168 * - return previous value from RMIXL_PCR_L1D_CONFIG0
169 */
170 static inline uint64_t
171 rmixl_cache_err_dis(void)
172 {
173 uint64_t r;
174
175 r = rmixl_mfcr(RMIXL_PCR_L1D_CONFIG0);
176 rmixl_mtcr(RMIXL_PCR_L1D_CONFIG0, r & ~0x2e);
177 rmixl_mtcr(RMIXL_PCR_L1D_CACHE_ERROR_LOG, 0);
178 return r;
179 }
180
181 /*
182 * rmixl_cache_err_restore:
183 * - clear the cache error log, cache error overflow log,
184 * and cache interrupt registers
185 * - restore previous value to RMIXL_PCR_L1D_CONFIG0
186 */
187 static inline void
188 rmixl_cache_err_restore(uint64_t r)
189 {
190 rmixl_mtcr(RMIXL_PCR_L1D_CACHE_ERROR_LOG, 0);
191 rmixl_mtcr(RMIXL_PCR_L1D_CACHE_ERROR_OVF_LO, 0);
192 rmixl_mtcr(RMIXL_PCR_L1D_CACHE_INTERRUPT, 0);
193 rmixl_mtcr(RMIXL_PCR_L1D_CONFIG0, r);
194 }
195
196 static inline uint64_t
197 rmixl_cache_err_check(void)
198 {
199 return rmixl_mfcr(RMIXL_PCR_L1D_CACHE_ERROR_LOG);
200 }
201
202 static inline int
203 rmixl_probe_4(volatile uint32_t *va)
204 {
205 uint32_t tmp;
206 uint32_t r;
207 int err;
208 int s;
209
210 s = splhigh();
211 r = rmixl_cache_err_dis();
212 tmp = *va; /* probe */
213 err = rmixl_cache_err_check();
214 rmixl_cache_err_restore(r);
215 splx(s);
216
217 return (err == 0);
218 }
219
220 #endif /* _MIPS_RMI_RMIXLVAR_H_ */
221