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 the LASAT Hardware Configuration field specification for a detailed
45  * description of the config field.
46  */
47 #include <linux/types.h>
48 
49 #define LASAT_EEPROM_VERSION 7
50 struct lasat_eeprom_struct {
51 	unsigned int  version;
52 	unsigned int  cfg[3];
53 	unsigned char hwaddr[6];
54 	unsigned char print_partno[12];
55 	unsigned char term0;
56 	unsigned char print_serial[14];
57 	unsigned char term1;
58 	unsigned char prod_partno[12];
59 	unsigned char term2;
60 	unsigned char prod_serial[14];
61 	unsigned char term3;
62 	unsigned char passwd_hash[16];
63 	unsigned char pwdnull;
64 	unsigned char vendid;
65 	unsigned char ts_ref;
66 	unsigned char ts_signoff;
67 	unsigned char reserved[11];
68 	unsigned char debugaccess;
69 	unsigned short prid;
70 	unsigned int  serviceflag;
71 	unsigned int  ipaddr;
72 	unsigned int  netmask;
73 	unsigned int  crc32;
74 };
75 
76 struct lasat_eeprom_struct_pre7 {
77 	unsigned int  version;
78 	unsigned int  flags[3];
79 	unsigned char hwaddr0[6];
80 	unsigned char hwaddr1[6];
81 	unsigned char print_partno[9];
82 	unsigned char term0;
83 	unsigned char print_serial[14];
84 	unsigned char term1;
85 	unsigned char prod_partno[9];
86 	unsigned char term2;
87 	unsigned char prod_serial[14];
88 	unsigned char term3;
89 	unsigned char passwd_hash[24];
90 	unsigned char pwdnull;
91 	unsigned char vendor;
92 	unsigned char ts_ref;
93 	unsigned char ts_signoff;
94 	unsigned char reserved[6];
95 	unsigned int  writecount;
96 	unsigned int  ipaddr;
97 	unsigned int  netmask;
98 	unsigned int  crc32;
99 };
100 
101 /* Configuration descriptor encoding - see the doc for details */
102 
103 #define LASAT_W0_DSCTYPE(v)		(((v))         & 0xf)
104 #define LASAT_W0_BMID(v)		(((v) >> 0x04) & 0xf)
105 #define LASAT_W0_CPUTYPE(v)		(((v) >> 0x08) & 0xf)
106 #define LASAT_W0_BUSSPEED(v)		(((v) >> 0x0c) & 0xf)
107 #define LASAT_W0_CPUCLK(v)		(((v) >> 0x10) & 0xf)
108 #define LASAT_W0_SDRAMBANKSZ(v)		(((v) >> 0x14) & 0xf)
109 #define LASAT_W0_SDRAMBANKS(v)		(((v) >> 0x18) & 0xf)
110 #define LASAT_W0_L2CACHE(v)		(((v) >> 0x1c) & 0xf)
111 
112 #define LASAT_W1_EDHAC(v)		(((v))         & 0xf)
113 #define LASAT_W1_HIFN(v)		(((v) >> 0x04) & 0x1)
114 #define LASAT_W1_ISDN(v)		(((v) >> 0x05) & 0x1)
115 #define LASAT_W1_IDE(v)			(((v) >> 0x06) & 0x1)
116 #define LASAT_W1_HDLC(v)		(((v) >> 0x07) & 0x1)
117 #define LASAT_W1_USVERSION(v)		(((v) >> 0x08) & 0x1)
118 #define LASAT_W1_4MACS(v)		(((v) >> 0x09) & 0x1)
119 #define LASAT_W1_EXTSERIAL(v)		(((v) >> 0x0a) & 0x1)
120 #define LASAT_W1_FLASHSIZE(v)		(((v) >> 0x0c) & 0xf)
121 #define LASAT_W1_PCISLOTS(v)		(((v) >> 0x10) & 0xf)
122 #define LASAT_W1_PCI1OPT(v)		(((v) >> 0x14) & 0xf)
123 #define LASAT_W1_PCI2OPT(v)		(((v) >> 0x18) & 0xf)
124 #define LASAT_W1_PCI3OPT(v)		(((v) >> 0x1c) & 0xf)
125 
126 /* Routines specific to LASAT boards */
127 
128 #define LASAT_BMID_MASQUERADE2		0
129 #define LASAT_BMID_MASQUERADEPRO	1
130 #define LASAT_BMID_SAFEPIPE25		2
131 #define LASAT_BMID_SAFEPIPE50		3
132 #define LASAT_BMID_SAFEPIPE100		4
133 #define LASAT_BMID_SAFEPIPE5000		5
134 #define LASAT_BMID_SAFEPIPE7000		6
135 #define LASAT_BMID_SAFEPIPE1000		7
136 #if 0
137 #define LASAT_BMID_SAFEPIPE30		7
138 #define LASAT_BMID_SAFEPIPE5100		8
139 #define LASAT_BMID_SAFEPIPE7100		9
140 #endif
141 #define LASAT_BMID_UNKNOWN		0xf
142 #define LASAT_MAX_BMID_NAMES		9   /* no larger than 15! */
143 
144 #define LASAT_HAS_EDHAC			(1 << 0)
145 #define LASAT_EDHAC_FAST		(1 << 1)
146 #define LASAT_HAS_EADI			(1 << 2)
147 #define LASAT_HAS_HIFN			(1 << 3)
148 #define LASAT_HAS_ISDN			(1 << 4)
149 #define LASAT_HAS_LEASEDLINE_IF		(1 << 5)
150 #define LASAT_HAS_HDC			(1 << 6)
151 
152 #define LASAT_PRID_MASQUERADE2		0
153 #define LASAT_PRID_MASQUERADEPRO	1
154 #define LASAT_PRID_SAFEPIPE25		2
155 #define LASAT_PRID_SAFEPIPE50		3
156 #define LASAT_PRID_SAFEPIPE100		4
157 #define LASAT_PRID_SAFEPIPE5000		5
158 #define LASAT_PRID_SAFEPIPE7000		6
159 #define LASAT_PRID_SAFEPIPE30		7
160 #define LASAT_PRID_SAFEPIPE5100		8
161 #define LASAT_PRID_SAFEPIPE7100		9
162 
163 #define LASAT_PRID_SAFEPIPE1110		10
164 #define LASAT_PRID_SAFEPIPE3020		11
165 #define LASAT_PRID_SAFEPIPE3030		12
166 #define LASAT_PRID_SAFEPIPE5020		13
167 #define LASAT_PRID_SAFEPIPE5030		14
168 #define LASAT_PRID_SAFEPIPE1120		15
169 #define LASAT_PRID_SAFEPIPE1130		16
170 #define LASAT_PRID_SAFEPIPE6010		17
171 #define LASAT_PRID_SAFEPIPE6110		18
172 #define LASAT_PRID_SAFEPIPE6210		19
173 #define LASAT_PRID_SAFEPIPE1020		20
174 #define LASAT_PRID_SAFEPIPE1040		21
175 #define LASAT_PRID_SAFEPIPE1060		22
176 
177 struct lasat_info {
178 	unsigned int  li_cpu_hz;
179 	unsigned int  li_bus_hz;
180 	unsigned int  li_bmid;
181 	unsigned int  li_memsize;
182 	unsigned int  li_flash_size;
183 	unsigned int  li_prid;
184 	unsigned char li_bmstr[16];
185 	unsigned char li_namestr[32];
186 	unsigned char li_typestr[16];
187 	/* Info on the Flash layout */
188 	unsigned int  li_flash_base;
189 	unsigned long li_flashpart_base[LASAT_MTD_LAST];
190 	unsigned long li_flashpart_size[LASAT_MTD_LAST];
191 	struct lasat_eeprom_struct li_eeprom_info;
192 	unsigned int  li_eeprom_upgrade_version;
193 	unsigned int  li_debugaccess;
194 };
195 
196 extern struct lasat_info lasat_board_info;
197 
lasat_flash_partition_start(int partno)198 static inline unsigned long lasat_flash_partition_start(int partno)
199 {
200 	if (partno < 0 || partno >= LASAT_MTD_LAST)
201 		return 0;
202 
203 	return lasat_board_info.li_flashpart_base[partno];
204 }
205 
lasat_flash_partition_size(int partno)206 static inline unsigned long lasat_flash_partition_size(int partno)
207 {
208 	if (partno < 0 || partno >= LASAT_MTD_LAST)
209 		return 0;
210 
211 	return lasat_board_info.li_flashpart_size[partno];
212 }
213 
214 /* Called from setup() to initialize the global board_info struct */
215 extern int lasat_init_board_info(void);
216 
217 /* Write the modified EEPROM info struct */
218 extern void lasat_write_eeprom_info(void);
219 
220 #define N_MACHTYPES		2
221 /* for calibration of delays */
222 
223 /* the lasat_ndelay function is necessary because it is used at an
224  * early stage of the boot process where ndelay is not calibrated.
225  * It is used for the bit-banging rtc and eeprom drivers */
226 
227 #include <linux/delay.h>
228 #include <linux/smp.h>
229 
230 /* calculating with the slowest board with 100 MHz clock */
231 #define LASAT_100_DIVIDER 20
232 /* All 200's run at 250 MHz clock */
233 #define LASAT_200_DIVIDER 8
234 
235 extern unsigned int lasat_ndelay_divider;
236 
lasat_ndelay(unsigned int ns)237 static inline void lasat_ndelay(unsigned int ns)
238 {
239 	__delay(ns / lasat_ndelay_divider);
240 }
241 
242 #define IS_LASAT_200()     (current_cpu_data.cputype == CPU_R5000)
243 
244 #endif /* !defined (_LANGUAGE_ASSEMBLY) */
245 
246 #define LASAT_SERVICEMODE_MAGIC_1     0xdeadbeef
247 #define LASAT_SERVICEMODE_MAGIC_2     0xfedeabba
248 
249 /* Lasat 100 boards */
250 #define LASAT_GT_BASE           (KSEG1ADDR(0x14000000))
251 
252 /* Lasat 200 boards */
253 #define Vrc5074_PHYS_BASE       0x1fa00000
254 #define Vrc5074_BASE            (KSEG1ADDR(Vrc5074_PHYS_BASE))
255 #define PCI_WINDOW1             0x1a000000
256 
257 #endif /* _LASAT_H */
258