sh: migrate to arch/sh/include/
[linux-2.6.git] / arch / mips / sni / setup.c
1 /*
2  * Setup pointers to hardware-dependent routines.
3  *
4  * This file is subject to the terms and conditions of the GNU General Public
5  * License.  See the file "COPYING" in the main directory of this archive
6  * for more details.
7  *
8  * Copyright (C) 1996, 97, 98, 2000, 03, 04, 06 Ralf Baechle (ralf@linux-mips.org)
9  * Copyright (C) 2006,2007 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
10  */
11 #include <linux/eisa.h>
12 #include <linux/init.h>
13 #include <linux/console.h>
14 #include <linux/fb.h>
15 #include <linux/screen_info.h>
16
17 #ifdef CONFIG_ARC
18 #include <asm/fw/arc/types.h>
19 #include <asm/sgialib.h>
20 #endif
21
22 #ifdef CONFIG_SNIPROM
23 #include <asm/mipsprom.h>
24 #endif
25
26 #include <asm/bootinfo.h>
27 #include <asm/io.h>
28 #include <asm/reboot.h>
29 #include <asm/sni.h>
30
31 unsigned int sni_brd_type;
32 EXPORT_SYMBOL(sni_brd_type);
33
34 extern void sni_machine_restart(char *command);
35 extern void sni_machine_power_off(void);
36
37 static void __init sni_display_setup(void)
38 {
39 #if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_ARC)
40         struct screen_info *si = &screen_info;
41         DISPLAY_STATUS *di;
42
43         di = ArcGetDisplayStatus(1);
44
45         if (di) {
46                 si->orig_x              = di->CursorXPosition;
47                 si->orig_y              = di->CursorYPosition;
48                 si->orig_video_cols     = di->CursorMaxXPosition;
49                 si->orig_video_lines    = di->CursorMaxYPosition;
50                 si->orig_video_isVGA    = VIDEO_TYPE_VGAC;
51                 si->orig_video_points   = 16;
52         }
53 #endif
54 }
55
56 static void __init sni_console_setup(void)
57 {
58 #ifndef CONFIG_ARC
59         char *ctype;
60         char *cdev;
61         char *baud;
62         int port;
63         static char options[8];
64
65         cdev = prom_getenv("console_dev");
66         if (strncmp(cdev, "tty", 3) == 0) {
67                 ctype = prom_getenv("console");
68                 switch (*ctype) {
69                 default:
70                 case 'l':
71                         port = 0;
72                         baud = prom_getenv("lbaud");
73                         break;
74                 case 'r':
75                         port = 1;
76                         baud = prom_getenv("rbaud");
77                         break;
78                 }
79                 if (baud)
80                         strcpy(options, baud);
81                 if (strncmp(cdev, "tty552", 6) == 0)
82                         add_preferred_console("ttyS", port,
83                                               baud ? options : NULL);
84                 else
85                         add_preferred_console("ttySC", port,
86                                               baud ? options : NULL);
87         }
88 #endif
89 }
90
91 #ifdef DEBUG
92 static void __init sni_idprom_dump(void)
93 {
94         int     i;
95
96         pr_debug("SNI IDProm dump:\n");
97         for (i = 0; i < 256; i++) {
98                 if (i%16 == 0)
99                         pr_debug("%04x ", i);
100
101                 printk("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i));
102
103                 if (i % 16 == 15)
104                         printk("\n");
105         }
106 }
107 #endif
108
109 void __init plat_mem_setup(void)
110 {
111         int cputype;
112
113         set_io_port_base(SNI_PORT_BASE);
114 //      ioport_resource.end = sni_io_resource.end;
115
116         /*
117          * Setup (E)ISA I/O memory access stuff
118          */
119 #ifdef CONFIG_EISA
120         EISA_bus = 1;
121 #endif
122
123         sni_brd_type = *(unsigned char *)SNI_IDPROM_BRDTYPE;
124         cputype = *(unsigned char *)SNI_IDPROM_CPUTYPE;
125         switch (sni_brd_type) {
126         case SNI_BRD_TOWER_OASIC:
127                 switch (cputype) {
128                 case SNI_CPU_M8030:
129                         system_type = "RM400-330";
130                         break;
131                 case SNI_CPU_M8031:
132                         system_type = "RM400-430";
133                         break;
134                 case SNI_CPU_M8037:
135                         system_type = "RM400-530";
136                         break;
137                 case SNI_CPU_M8034:
138                         system_type = "RM400-730";
139                         break;
140                 default:
141                         system_type = "RM400-xxx";
142                         break;
143                 }
144                 break;
145         case SNI_BRD_MINITOWER:
146                 switch (cputype) {
147                 case SNI_CPU_M8021:
148                 case SNI_CPU_M8043:
149                         system_type = "RM400-120";
150                         break;
151                 case SNI_CPU_M8040:
152                         system_type = "RM400-220";
153                         break;
154                 case SNI_CPU_M8053:
155                         system_type = "RM400-225";
156                         break;
157                 case SNI_CPU_M8050:
158                         system_type = "RM400-420";
159                         break;
160                 default:
161                         system_type = "RM400-xxx";
162                         break;
163                 }
164                 break;
165         case SNI_BRD_PCI_TOWER:
166                 system_type = "RM400-Cxx";
167                 break;
168         case SNI_BRD_RM200:
169                 system_type = "RM200-xxx";
170                 break;
171         case SNI_BRD_PCI_MTOWER:
172                 system_type = "RM300-Cxx";
173                 break;
174         case SNI_BRD_PCI_DESKTOP:
175                 switch (read_c0_prid() & 0xff00) {
176                 case PRID_IMP_R4600:
177                 case PRID_IMP_R4700:
178                         system_type = "RM200-C20";
179                         break;
180                 case PRID_IMP_R5000:
181                         system_type = "RM200-C40";
182                         break;
183                 default:
184                         system_type = "RM200-Cxx";
185                         break;
186                 }
187                 break;
188         case SNI_BRD_PCI_TOWER_CPLUS:
189                 system_type = "RM400-Exx";
190                 break;
191         case SNI_BRD_PCI_MTOWER_CPLUS:
192                 system_type = "RM300-Exx";
193                 break;
194         }
195         pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type, system_type);
196
197 #ifdef DEBUG
198         sni_idprom_dump();
199 #endif
200
201         switch (sni_brd_type) {
202         case SNI_BRD_10:
203         case SNI_BRD_10NEW:
204         case SNI_BRD_TOWER_OASIC:
205         case SNI_BRD_MINITOWER:
206                 sni_a20r_init();
207                 break;
208
209         case SNI_BRD_PCI_TOWER:
210         case SNI_BRD_PCI_TOWER_CPLUS:
211                 sni_pcit_init();
212                 break;
213
214         case SNI_BRD_RM200:
215                 sni_rm200_init();
216                 break;
217
218         case SNI_BRD_PCI_MTOWER:
219         case SNI_BRD_PCI_DESKTOP:
220         case SNI_BRD_PCI_MTOWER_CPLUS:
221                 sni_pcimt_init();
222                 break;
223         }
224
225         _machine_restart = sni_machine_restart;
226         pm_power_off = sni_machine_power_off;
227
228         sni_display_setup();
229         sni_console_setup();
230 }
231
232 #ifdef CONFIG_PCI
233
234 #include <linux/pci.h>
235 #include <video/vga.h>
236 #include <video/cirrus.h>
237
238 static void __devinit quirk_cirrus_ram_size(struct pci_dev *dev)
239 {
240         u16 cmd;
241
242         /*
243          * firmware doesn't set the ram size correct, so we
244          * need to do it here, otherwise we get screen corruption
245          * on older Cirrus chips
246          */
247         pci_read_config_word(dev, PCI_COMMAND, &cmd);
248         if ((cmd & (PCI_COMMAND_IO|PCI_COMMAND_MEMORY))
249                 == (PCI_COMMAND_IO|PCI_COMMAND_MEMORY)) {
250                 vga_wseq(NULL, CL_SEQR6, 0x12); /* unlock all extension registers */
251                 vga_wseq(NULL, CL_SEQRF, 0x18);
252         }
253 }
254
255 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5434_8,
256                         quirk_cirrus_ram_size);
257 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5436,
258                         quirk_cirrus_ram_size);
259 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446,
260                         quirk_cirrus_ram_size);
261 #endif