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-rw-r--r--arch/mips/lasat/lasat_board.c279
1 files changed, 0 insertions, 279 deletions
diff --git a/arch/mips/lasat/lasat_board.c b/arch/mips/lasat/lasat_board.c
deleted file mode 100644
index fbe9a87bd0ad..000000000000
--- a/arch/mips/lasat/lasat_board.c
+++ /dev/null
@@ -1,279 +0,0 @@
1/*
2 * Thomas Horsten <thh@lasat.com>
3 * Copyright (C) 2000 LASAT Networks A/S.
4 *
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
17 *
18 * Routines specific to the LASAT boards
19 */
20#include <linux/types.h>
21#include <linux/crc32.h>
22#include <asm/lasat/lasat.h>
23#include <linux/kernel.h>
24#include <linux/string.h>
25#include <linux/ctype.h>
26#include <asm/bootinfo.h>
27#include <asm/addrspace.h>
28#include "at93c.h"
29/* New model description table */
30#include "lasat_models.h"
31
32#define EEPROM_CRC(data, len) (~0 ^ crc32(~0, data, len))
33
34struct lasat_info lasat_board_info;
35
36void update_bcastaddr(void);
37
38int EEPROMRead(unsigned int pos, unsigned char *data, int len)
39{
40 int i;
41
42 for (i=0; i<len; i++)
43 *data++ = at93c_read(pos++);
44
45 return 0;
46}
47int EEPROMWrite(unsigned int pos, unsigned char *data, int len)
48{
49 int i;
50
51 for (i=0; i<len; i++)
52 at93c_write(pos++, *data++);
53
54 return 0;
55}
56
57static void init_flash_sizes(void)
58{
59 int i;
60 unsigned long *lb = lasat_board_info.li_flashpart_base;
61 unsigned long *ls = lasat_board_info.li_flashpart_size;
62
63 ls[LASAT_MTD_BOOTLOADER] = 0x40000;
64 ls[LASAT_MTD_SERVICE] = 0xC0000;
65 ls[LASAT_MTD_NORMAL] = 0x100000;
66
67 if (mips_machtype == MACH_LASAT_100) {
68 lasat_board_info.li_flash_base = 0x1e000000;
69
70 lb[LASAT_MTD_BOOTLOADER] = 0x1e400000;
71
72 if (lasat_board_info.li_flash_size > 0x200000) {
73 ls[LASAT_MTD_CONFIG] = 0x100000;
74 ls[LASAT_MTD_FS] = 0x500000;
75 }
76 } else {
77 lasat_board_info.li_flash_base = 0x10000000;
78
79 if (lasat_board_info.li_flash_size < 0x1000000) {
80 lb[LASAT_MTD_BOOTLOADER] = 0x10000000;
81 ls[LASAT_MTD_CONFIG] = 0x100000;
82 if (lasat_board_info.li_flash_size >= 0x400000) {
83 ls[LASAT_MTD_FS] = lasat_board_info.li_flash_size - 0x300000;
84 }
85 }
86 }
87
88 for (i = 1; i < LASAT_MTD_LAST; i++)
89 lb[i] = lb[i-1] + ls[i-1];
90}
91
92int lasat_init_board_info(void)
93{
94 int c;
95 unsigned long crc;
96 unsigned long cfg0, cfg1;
97 const product_info_t *ppi;
98 int i_n_base_models = N_BASE_MODELS;
99 const char * const * i_txt_base_models = txt_base_models;
100 int i_n_prids = N_PRIDS;
101
102 memset(&lasat_board_info, 0, sizeof(lasat_board_info));
103
104 /* First read the EEPROM info */
105 EEPROMRead(0, (unsigned char *)&lasat_board_info.li_eeprom_info,
106 sizeof(struct lasat_eeprom_struct));
107
108 /* Check the CRC */
109 crc = EEPROM_CRC((unsigned char *)(&lasat_board_info.li_eeprom_info),
110 sizeof(struct lasat_eeprom_struct) - 4);
111
112 if (crc != lasat_board_info.li_eeprom_info.crc32) {
113 printk(KERN_WARNING "WARNING...\nWARNING...\nEEPROM CRC does "
114 "not match calculated, attempting to soldier on...\n");
115 }
116
117 if (lasat_board_info.li_eeprom_info.version != LASAT_EEPROM_VERSION) {
118 printk(KERN_WARNING "WARNING...\nWARNING...\nEEPROM version "
119 "%d, wanted version %d, attempting to soldier on...\n",
120 (unsigned int)lasat_board_info.li_eeprom_info.version,
121 LASAT_EEPROM_VERSION);
122 }
123
124 cfg0 = lasat_board_info.li_eeprom_info.cfg[0];
125 cfg1 = lasat_board_info.li_eeprom_info.cfg[1];
126
127 if ( LASAT_W0_DSCTYPE(cfg0) != 1) {
128 printk(KERN_WARNING "WARNING...\nWARNING...\n"
129 "Invalid configuration read from EEPROM, attempting to "
130 "soldier on...");
131 }
132 /* We have a valid configuration */
133
134 switch (LASAT_W0_SDRAMBANKSZ(cfg0)) {
135 case 0:
136 lasat_board_info.li_memsize = 0x0800000;
137 break;
138 case 1:
139 lasat_board_info.li_memsize = 0x1000000;
140 break;
141 case 2:
142 lasat_board_info.li_memsize = 0x2000000;
143 break;
144 case 3:
145 lasat_board_info.li_memsize = 0x4000000;
146 break;
147 case 4:
148 lasat_board_info.li_memsize = 0x8000000;
149 break;
150 default:
151 lasat_board_info.li_memsize = 0;
152 }
153
154 switch (LASAT_W0_SDRAMBANKS(cfg0)) {
155 case 0:
156 break;
157 case 1:
158 lasat_board_info.li_memsize *= 2;
159 break;
160 default:
161 break;
162 }
163
164 switch (LASAT_W0_BUSSPEED(cfg0)) {
165 case 0x0:
166 lasat_board_info.li_bus_hz = 60000000;
167 break;
168 case 0x1:
169 lasat_board_info.li_bus_hz = 66000000;
170 break;
171 case 0x2:
172 lasat_board_info.li_bus_hz = 66666667;
173 break;
174 case 0x3:
175 lasat_board_info.li_bus_hz = 80000000;
176 break;
177 case 0x4:
178 lasat_board_info.li_bus_hz = 83333333;
179 break;
180 case 0x5:
181 lasat_board_info.li_bus_hz = 100000000;
182 break;
183 }
184
185 switch (LASAT_W0_CPUCLK(cfg0)) {
186 case 0x0:
187 lasat_board_info.li_cpu_hz =
188 lasat_board_info.li_bus_hz;
189 break;
190 case 0x1:
191 lasat_board_info.li_cpu_hz =
192 lasat_board_info.li_bus_hz +
193 (lasat_board_info.li_bus_hz >> 1);
194 break;
195 case 0x2:
196 lasat_board_info.li_cpu_hz =
197 lasat_board_info.li_bus_hz +
198 lasat_board_info.li_bus_hz;
199 break;
200 case 0x3:
201 lasat_board_info.li_cpu_hz =
202 lasat_board_info.li_bus_hz +
203 lasat_board_info.li_bus_hz +
204 (lasat_board_info.li_bus_hz >> 1);
205 break;
206 case 0x4:
207 lasat_board_info.li_cpu_hz =
208 lasat_board_info.li_bus_hz +
209 lasat_board_info.li_bus_hz +
210 lasat_board_info.li_bus_hz;
211 break;
212 }
213
214 /* Flash size */
215 switch (LASAT_W1_FLASHSIZE(cfg1)) {
216 case 0:
217 lasat_board_info.li_flash_size = 0x200000;
218 break;
219 case 1:
220 lasat_board_info.li_flash_size = 0x400000;
221 break;
222 case 2:
223 lasat_board_info.li_flash_size = 0x800000;
224 break;
225 case 3:
226 lasat_board_info.li_flash_size = 0x1000000;
227 break;
228 case 4:
229 lasat_board_info.li_flash_size = 0x2000000;
230 break;
231 }
232
233 init_flash_sizes();
234
235 lasat_board_info.li_bmid = LASAT_W0_BMID(cfg0);
236 lasat_board_info.li_prid = lasat_board_info.li_eeprom_info.prid;
237 if (lasat_board_info.li_prid == 0xffff || lasat_board_info.li_prid == 0)
238 lasat_board_info.li_prid = lasat_board_info.li_bmid;
239
240 /* Base model stuff */
241 if (lasat_board_info.li_bmid > i_n_base_models)
242 lasat_board_info.li_bmid = i_n_base_models;
243 strcpy(lasat_board_info.li_bmstr, i_txt_base_models[lasat_board_info.li_bmid]);
244
245 /* Product ID dependent values */
246 c = lasat_board_info.li_prid;
247 if (c >= i_n_prids) {
248 strcpy(lasat_board_info.li_namestr, "Unknown Model");
249 strcpy(lasat_board_info.li_typestr, "Unknown Type");
250 } else {
251 ppi = &vendor_info_table[0].vi_product_info[c];
252 strcpy(lasat_board_info.li_namestr, ppi->pi_name);
253 if (ppi->pi_type)
254 strcpy(lasat_board_info.li_typestr, ppi->pi_type);
255 else
256 sprintf(lasat_board_info.li_typestr, "%d",10*c);
257 }
258
259#if defined(CONFIG_INET) && defined(CONFIG_SYSCTL)
260 update_bcastaddr();
261#endif
262
263 return 0;
264}
265
266void lasat_write_eeprom_info(void)
267{
268 unsigned long crc;
269
270 /* Generate the CRC */
271 crc = EEPROM_CRC((unsigned char *)(&lasat_board_info.li_eeprom_info),
272 sizeof(struct lasat_eeprom_struct) - 4);
273 lasat_board_info.li_eeprom_info.crc32 = crc;
274
275 /* Write the EEPROM info */
276 EEPROMWrite(0, (unsigned char *)&lasat_board_info.li_eeprom_info,
277 sizeof(struct lasat_eeprom_struct));
278}
279
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