1 /*
2  * lasat.h
3  *
4  * Thomas Horsten <thh@lasat.com>
5  * Copyright (C) 2000 LASAT Networks A/S.
6  *
7  *  This program is free software; you can distribute it and/or modify it
8  *  under the terms of the GNU General Public License (Version 2) as
9  *  published by the Free Software Foundation.
10  *
11  *  This program is distributed in the hope it will be useful, but WITHOUT
12  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  *  for more details.
15  *
16  *  You should have received a copy of the GNU General Public License along
17  *  with this program; if not, write to the Free Software Foundation, Inc.,
18  *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
19  *
20  * Configuration for LASAT boards, loads the appropriate include files.
21  */
22 #ifndef _LASAT_H
23 #define _LASAT_H
24 
25 #ifndef _LANGUAGE_ASSEMBLY
26 
27 extern struct lasat_misc {
28 	volatile u32 *reset_reg;
29 	volatile u32 *flash_wp_reg;
30 	u32 flash_wp_bit;
31 } *lasat_misc;
32 
33 enum lasat_mtdparts {
34 	LASAT_MTD_BOOTLOADER,
35 	LASAT_MTD_SERVICE,
36 	LASAT_MTD_NORMAL,
37 	LASAT_MTD_CONFIG,
38 	LASAT_MTD_FS,
39 	LASAT_MTD_LAST
40 };
41 
42 /*
43  * The format of the data record in the EEPROM.
44  * See Documentation/LASAT/eeprom.txt for a detailed description
45  * of the fields in this struct, and the LASAT Hardware Configuration
46  * field specification for a detailed description of the config
47  * field.
48  */
49 #include <linux/types.h>
50 
51 #define LASAT_EEPROM_VERSION 7
52 struct lasat_eeprom_struct {
53 	unsigned int  version;
54 	unsigned int  cfg[3];
55 	unsigned char hwaddr[6];
56 	unsigned char print_partno[12];
57 	unsigned char term0;
58 	unsigned char print_serial[14];
59 	unsigned char term1;
60 	unsigned char prod_partno[12];
61 	unsigned char term2;
62 	unsigned char prod_serial[14];
63 	unsigned char term3;
64 	unsigned char passwd_hash[16];
65 	unsigned char pwdnull;
66 	unsigned char vendid;
67 	unsigned char ts_ref;
68 	unsigned char ts_signoff;
69 	unsigned char reserved[11];
70 	unsigned char debugaccess;
71 	unsigned short prid;
72 	unsigned int  serviceflag;
73 	unsigned int  ipaddr;
74 	unsigned int  netmask;
75 	unsigned int  crc32;
76 };
77 
78 struct lasat_eeprom_struct_pre7 {
79 	unsigned int  version;
80 	unsigned int  flags[3];
81 	unsigned char hwaddr0[6];
82 	unsigned char hwaddr1[6];
83 	unsigned char print_partno[9];
84 	unsigned char term0;
85 	unsigned char print_serial[14];
86 	unsigned char term1;
87 	unsigned char prod_partno[9];
88 	unsigned char term2;
89 	unsigned char prod_serial[14];
90 	unsigned char term3;
91 	unsigned char passwd_hash[24];
92 	unsigned char pwdnull;
93 	unsigned char vendor;
94 	unsigned char ts_ref;
95 	unsigned char ts_signoff;
96 	unsigned char reserved[6];
97 	unsigned int  writecount;
98 	unsigned int  ipaddr;
99 	unsigned int  netmask;
100 	unsigned int  crc32;
101 };
102 
103 /* Configuration descriptor encoding - see the doc for details */
104 
105 #define LASAT_W0_DSCTYPE(v)		(((v))         & 0xf)
106 #define LASAT_W0_BMID(v)		(((v) >> 0x04) & 0xf)
107 #define LASAT_W0_CPUTYPE(v)		(((v) >> 0x08) & 0xf)
108 #define LASAT_W0_BUSSPEED(v)		(((v) >> 0x0c) & 0xf)
109 #define LASAT_W0_CPUCLK(v)		(((v) >> 0x10) & 0xf)
110 #define LASAT_W0_SDRAMBANKSZ(v)		(((v) >> 0x14) & 0xf)
111 #define LASAT_W0_SDRAMBANKS(v)		(((v) >> 0x18) & 0xf)
112 #define LASAT_W0_L2CACHE(v)		(((v) >> 0x1c) & 0xf)
113 
114 #define LASAT_W1_EDHAC(v)		(((v))         & 0xf)
115 #define LASAT_W1_HIFN(v)		(((v) >> 0x04) & 0x1)
116 #define LASAT_W1_ISDN(v)		(((v) >> 0x05) & 0x1)
117 #define LASAT_W1_IDE(v)			(((v) >> 0x06) & 0x1)
118 #define LASAT_W1_HDLC(v)		(((v) >> 0x07) & 0x1)
119 #define LASAT_W1_USVERSION(v)		(((v) >> 0x08) & 0x1)
120 #define LASAT_W1_4MACS(v)		(((v) >> 0x09) & 0x1)
121 #define LASAT_W1_EXTSERIAL(v)		(((v) >> 0x0a) & 0x1)
122 #define LASAT_W1_FLASHSIZE(v)		(((v) >> 0x0c) & 0xf)
123 #define LASAT_W1_PCISLOTS(v)		(((v) >> 0x10) & 0xf)
124 #define LASAT_W1_PCI1OPT(v)		(((v) >> 0x14) & 0xf)
125 #define LASAT_W1_PCI2OPT(v)		(((v) >> 0x18) & 0xf)
126 #define LASAT_W1_PCI3OPT(v)		(((v) >> 0x1c) & 0xf)
127 
128 /* Routines specific to LASAT boards */
129 
130 #define LASAT_BMID_MASQUERADE2		0
131 #define LASAT_BMID_MASQUERADEPRO	1
132 #define LASAT_BMID_SAFEPIPE25		2
133 #define LASAT_BMID_SAFEPIPE50		3
134 #define LASAT_BMID_SAFEPIPE100		4
135 #define LASAT_BMID_SAFEPIPE5000		5
136 #define LASAT_BMID_SAFEPIPE7000		6
137 #define LASAT_BMID_SAFEPIPE1000		7
138 #if 0
139 #define LASAT_BMID_SAFEPIPE30		7
140 #define LASAT_BMID_SAFEPIPE5100		8
141 #define LASAT_BMID_SAFEPIPE7100		9
142 #endif
143 #define LASAT_BMID_UNKNOWN		0xf
144 #define LASAT_MAX_BMID_NAMES		9   /* no larger than 15! */
145 
146 #define LASAT_HAS_EDHAC			(1 << 0)
147 #define LASAT_EDHAC_FAST		(1 << 1)
148 #define LASAT_HAS_EADI			(1 << 2)
149 #define LASAT_HAS_HIFN			(1 << 3)
150 #define LASAT_HAS_ISDN			(1 << 4)
151 #define LASAT_HAS_LEASEDLINE_IF		(1 << 5)
152 #define LASAT_HAS_HDC			(1 << 6)
153 
154 #define LASAT_PRID_MASQUERADE2		0
155 #define LASAT_PRID_MASQUERADEPRO	1
156 #define LASAT_PRID_SAFEPIPE25		2
157 #define LASAT_PRID_SAFEPIPE50		3
158 #define LASAT_PRID_SAFEPIPE100		4
159 #define LASAT_PRID_SAFEPIPE5000		5
160 #define LASAT_PRID_SAFEPIPE7000		6
161 #define LASAT_PRID_SAFEPIPE30		7
162 #define LASAT_PRID_SAFEPIPE5100		8
163 #define LASAT_PRID_SAFEPIPE7100		9
164 
165 #define LASAT_PRID_SAFEPIPE1110		10
166 #define LASAT_PRID_SAFEPIPE3020		11
167 #define LASAT_PRID_SAFEPIPE3030		12
168 #define LASAT_PRID_SAFEPIPE5020		13
169 #define LASAT_PRID_SAFEPIPE5030		14
170 #define LASAT_PRID_SAFEPIPE1120		15
171 #define LASAT_PRID_SAFEPIPE1130		16
172 #define LASAT_PRID_SAFEPIPE6010		17
173 #define LASAT_PRID_SAFEPIPE6110		18
174 #define LASAT_PRID_SAFEPIPE6210		19
175 #define LASAT_PRID_SAFEPIPE1020		20
176 #define LASAT_PRID_SAFEPIPE1040		21
177 #define LASAT_PRID_SAFEPIPE1060		22
178 
179 struct lasat_info {
180 	unsigned int  li_cpu_hz;
181 	unsigned int  li_bus_hz;
182 	unsigned int  li_bmid;
183 	unsigned int  li_memsize;
184 	unsigned int  li_flash_size;
185 	unsigned int  li_prid;
186 	unsigned char li_bmstr[16];
187 	unsigned char li_namestr[32];
188 	unsigned char li_typestr[16];
189 	/* Info on the Flash layout */
190 	unsigned int  li_flash_base;
191 	unsigned long li_flashpart_base[LASAT_MTD_LAST];
192 	unsigned long li_flashpart_size[LASAT_MTD_LAST];
193 	struct lasat_eeprom_struct li_eeprom_info;
194 	unsigned int  li_eeprom_upgrade_version;
195 	unsigned int  li_debugaccess;
196 };
197 
198 extern struct lasat_info lasat_board_info;
199 
lasat_flash_partition_start(int partno)200 static inline unsigned long lasat_flash_partition_start(int partno)
201 {
202 	if (partno < 0 || partno >= LASAT_MTD_LAST)
203 		return 0;
204 
205 	return lasat_board_info.li_flashpart_base[partno];
206 }
207 
lasat_flash_partition_size(int partno)208 static inline unsigned long lasat_flash_partition_size(int partno)
209 {
210 	if (partno < 0 || partno >= LASAT_MTD_LAST)
211 		return 0;
212 
213 	return lasat_board_info.li_flashpart_size[partno];
214 }
215 
216 /* Called from setup() to initialize the global board_info struct */
217 extern int lasat_init_board_info(void);
218 
219 /* Write the modified EEPROM info struct */
220 extern void lasat_write_eeprom_info(void);
221 
222 #define N_MACHTYPES		2
223 /* for calibration of delays */
224 
225 /* the lasat_ndelay function is necessary because it is used at an
226  * early stage of the boot process where ndelay is not calibrated.
227  * It is used for the bit-banging rtc and eeprom drivers */
228 
229 #include <linux/delay.h>
230 #include <linux/smp.h>
231 
232 /* calculating with the slowest board with 100 MHz clock */
233 #define LASAT_100_DIVIDER 20
234 /* All 200's run at 250 MHz clock */
235 #define LASAT_200_DIVIDER 8
236 
237 extern unsigned int lasat_ndelay_divider;
238 
lasat_ndelay(unsigned int ns)239 static inline void lasat_ndelay(unsigned int ns)
240 {
241 	__delay(ns / lasat_ndelay_divider);
242 }
243 
244 #define IS_LASAT_200()     (current_cpu_data.cputype == CPU_R5000)
245 
246 #endif /* !defined (_LANGUAGE_ASSEMBLY) */
247 
248 #define LASAT_SERVICEMODE_MAGIC_1     0xdeadbeef
249 #define LASAT_SERVICEMODE_MAGIC_2     0xfedeabba
250 
251 /* Lasat 100 boards */
252 #define LASAT_GT_BASE           (KSEG1ADDR(0x14000000))
253 
254 /* Lasat 200 boards */
255 #define Vrc5074_PHYS_BASE       0x1fa00000
256 #define Vrc5074_BASE            (KSEG1ADDR(Vrc5074_PHYS_BASE))
257 #define PCI_WINDOW1             0x1a000000
258 
259 #endif /* _LASAT_H */
260