cpu.h revision 1.16 1 /* $NetBSD: cpu.h,v 1.16 2011/01/18 01:02:54 matt Exp $ */
2
3 /*
4 * Copyright 2002 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Eduardo Horvath 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 _IBM4XX_CPU_H_
39 #define _IBM4XX_CPU_H_
40
41 #include <powerpc/spr.h>
42 #include <powerpc/ibm4xx/spr.h>
43 #include <powerpc/ibm4xx/dcr4xx.h>
44
45 /* PVRs for different IBM CPUs */
46 #define PVR_401A1 0x00210000
47 #define PVR_401B2 0x00220000
48 #define PVR_401C2 0x00230000
49 #define PVR_401D2 0x00240000
50 #define PVR_401E2 0x00250000
51 #define PVR_401F2 0x00260000
52 #define PVR_401G2 0x00270000
53
54 #define PVR_403 0x00200000
55
56 #define PVR_405GP 0x40110000
57 #define PVR_405GP_PASS1 0x40110000 /* RevA */
58 #define PVR_405GP_PASS2 0x40110040 /* RevB */
59 #define PVR_405GP_PASS2_1 0x40110082 /* RevC */
60 #define PVR_405GP_PASS3 0x401100c4 /* RevD */
61 #define PVR_405GPR 0x50910000
62 #define PVR_405GPR_REVB 0x50910951
63
64 #define PVR_405D5X1 0x20010000 /* Virtex II Pro */
65 #define PVR_405D5X2 0x20011000 /* Virtex 4 FX */
66
67 #define PVR_405EX 0x12910000
68
69 #if defined(_KERNEL)
70 extern char bootpath[];
71
72 #include <sys/param.h>
73 #include <sys/device.h>
74 #include <prop/proplib.h>
75
76 /* export from ibm4xx/autoconf.c */
77 extern void (*md_device_register)(struct device *dev, void *aux);
78
79 /* export from ibm4xx/machdep.c */
80 extern void (*md_consinit)(void);
81 extern void (*md_cpu_startup)(void);
82
83 /* export from ibm4xx/ibm40x_machdep.c */
84 extern void ibm40x_memsize_init(u_int, u_int);
85
86 /* export from ibm4xx/ibm4xx_machdep.c */
87 extern void ibm4xx_init(void (*)(void));
88 extern void ibm4xx_cpu_startup(const char *);
89 extern void ibm4xx_dumpsys(void);
90 extern void ibm4xx_install_extint(void (*)(void));
91
92 /* export from ibm4xx/ibm4xx_autoconf.c */
93 extern void ibm4xx_device_register(struct device *dev, void *aux);
94
95 /* export from ibm4xx/clock.c */
96 extern void calc_delayconst(void);
97
98 /* export from ibm4xx/4xx_locore.S */
99 extern void ppc4xx_reset(void) __dead;
100
101 /*
102 * DCR (Device Control Register) access. These have to be
103 * macros because register address is encoded as immediate
104 * operand.
105 */
106 static inline void
107 mtdcr(int reg, uint32_t val)
108 {
109 __asm volatile("mtdcr %0,%1" : : "K"(reg), "r"(val));
110 }
111
112 static inline uint32_t
113 mfdcr(int reg)
114 {
115 uint32_t val;
116
117 __asm volatile("mfdcr %0,%1" : "=r"(val) : "K"(reg));
118 return val;
119 }
120
121 static inline void
122 mtcpr(int reg, uint32_t val)
123 {
124 mtdcr(DCR_CPR0_CFGADDR, reg);
125 mtdcr(DCR_CPR0_CFGDATA, val);
126 }
127
128 static inline uint32_t
129 mfcpr(int reg)
130 {
131 mtdcr(DCR_CPR0_CFGADDR, reg);
132 return mfdcr(DCR_CPR0_CFGDATA);
133 }
134
135 static void inline
136 mtsdr(int reg, uint32_t val)
137 {
138 mtdcr(DCR_SDR0_CFGADDR, reg);
139 mtdcr(DCR_SDR0_CFGDATA, val);
140 }
141
142 static inline uint32_t
143 mfsdr(int reg)
144 {
145 mtdcr(DCR_SDR0_CFGADDR, reg);
146 return mfdcr(DCR_SDR0_CFGDATA);
147 }
148 #endif /* _KERNEL */
149
150 #include <powerpc/cpu.h>
151
152 /* Board info dictionary */
153 extern prop_dictionary_t board_properties;
154 extern void board_info_init(void);
155
156 /*****************************************************************************/
157 /* THIS CODE IS OBSOLETE. WILL BE REMOVED */
158 /*
159 * Board configuration structure from the OpenBIOS.
160 */
161 struct board_cfg_data {
162 unsigned char usr_config_ver[4];
163 unsigned char rom_sw_ver[30];
164 unsigned int mem_size;
165 unsigned char mac_address_local[6];
166 unsigned char mac_address_pci[6];
167 unsigned int processor_speed;
168 unsigned int plb_speed;
169 unsigned int pci_speed;
170 };
171
172 extern struct board_cfg_data board_data;
173 /*****************************************************************************/
174
175 #endif /* _IBM4XX_CPU_H_ */
176