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
27extern struct lasat_misc {
28	volatile u32 *reset_reg;
29	volatile u32 *flash_wp_reg;
30	u32 flash_wp_bit;
31} *lasat_misc;
32
33enum 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
50struct 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
76struct 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
177struct 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
196extern struct lasat_info lasat_board_info;
197
198static 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
206static 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 */
215extern int lasat_init_board_info(void);
216
217/* Write the modified EEPROM info struct */
218extern 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
235extern unsigned int lasat_ndelay_divider;
236
237static 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