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11#include <linux/eisa.h>
12#include <linux/init.h>
13#include <linux/export.h>
14#include <linux/console.h>
15#include <linux/fb.h>
16#include <linux/screen_info.h>
17
18#ifdef CONFIG_FW_ARC
19#include <asm/fw/arc/types.h>
20#include <asm/sgialib.h>
21#endif
22
23#ifdef CONFIG_FW_SNIPROM
24#include <asm/mipsprom.h>
25#endif
26
27#include <asm/bootinfo.h>
28#include <asm/io.h>
29#include <asm/reboot.h>
30#include <asm/sni.h>
31
32unsigned int sni_brd_type;
33EXPORT_SYMBOL(sni_brd_type);
34
35extern void sni_machine_restart(char *command);
36extern void sni_machine_power_off(void);
37
38static void __init sni_display_setup(void)
39{
40#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_FW_ARC)
41 struct screen_info *si = &screen_info;
42 DISPLAY_STATUS *di;
43
44 di = ArcGetDisplayStatus(1);
45
46 if (di) {
47 si->orig_x = di->CursorXPosition;
48 si->orig_y = di->CursorYPosition;
49 si->orig_video_cols = di->CursorMaxXPosition;
50 si->orig_video_lines = di->CursorMaxYPosition;
51 si->orig_video_isVGA = VIDEO_TYPE_VGAC;
52 si->orig_video_points = 16;
53 }
54#endif
55}
56
57static void __init sni_console_setup(void)
58{
59#ifndef CONFIG_FW_ARC
60 char *ctype;
61 char *cdev;
62 char *baud;
63 int port;
64 static char options[8] __initdata;
65
66 cdev = prom_getenv("console_dev");
67 if (strncmp(cdev, "tty", 3) == 0) {
68 ctype = prom_getenv("console");
69 switch (*ctype) {
70 default:
71 case 'l':
72 port = 0;
73 baud = prom_getenv("lbaud");
74 break;
75 case 'r':
76 port = 1;
77 baud = prom_getenv("rbaud");
78 break;
79 }
80 if (baud)
81 strcpy(options, baud);
82 if (strncmp(cdev, "tty552", 6) == 0)
83 add_preferred_console("ttyS", port,
84 baud ? options : NULL);
85 else
86 add_preferred_console("ttySC", port,
87 baud ? options : NULL);
88 }
89#endif
90}
91
92#ifdef DEBUG
93static void __init sni_idprom_dump(void)
94{
95 int i;
96
97 pr_debug("SNI IDProm dump:\n");
98 for (i = 0; i < 256; i++) {
99 if (i%16 == 0)
100 pr_debug("%04x ", i);
101
102 printk("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i));
103
104 if (i % 16 == 15)
105 printk("\n");
106 }
107}
108#endif
109
110void __init plat_mem_setup(void)
111{
112 int cputype;
113
114 set_io_port_base(SNI_PORT_BASE);
115
116
117
118
119
120#ifdef CONFIG_EISA
121 EISA_bus = 1;
122#endif
123
124 sni_brd_type = *(unsigned char *)SNI_IDPROM_BRDTYPE;
125 cputype = *(unsigned char *)SNI_IDPROM_CPUTYPE;
126 switch (sni_brd_type) {
127 case SNI_BRD_TOWER_OASIC:
128 switch (cputype) {
129 case SNI_CPU_M8030:
130 system_type = "RM400-330";
131 break;
132 case SNI_CPU_M8031:
133 system_type = "RM400-430";
134 break;
135 case SNI_CPU_M8037:
136 system_type = "RM400-530";
137 break;
138 case SNI_CPU_M8034:
139 system_type = "RM400-730";
140 break;
141 default:
142 system_type = "RM400-xxx";
143 break;
144 }
145 break;
146 case SNI_BRD_MINITOWER:
147 switch (cputype) {
148 case SNI_CPU_M8021:
149 case SNI_CPU_M8043:
150 system_type = "RM400-120";
151 break;
152 case SNI_CPU_M8040:
153 system_type = "RM400-220";
154 break;
155 case SNI_CPU_M8053:
156 system_type = "RM400-225";
157 break;
158 case SNI_CPU_M8050:
159 system_type = "RM400-420";
160 break;
161 default:
162 system_type = "RM400-xxx";
163 break;
164 }
165 break;
166 case SNI_BRD_PCI_TOWER:
167 system_type = "RM400-Cxx";
168 break;
169 case SNI_BRD_RM200:
170 system_type = "RM200-xxx";
171 break;
172 case SNI_BRD_PCI_MTOWER:
173 system_type = "RM300-Cxx";
174 break;
175 case SNI_BRD_PCI_DESKTOP:
176 switch (read_c0_prid() & 0xff00) {
177 case PRID_IMP_R4600:
178 case PRID_IMP_R4700:
179 system_type = "RM200-C20";
180 break;
181 case PRID_IMP_R5000:
182 system_type = "RM200-C40";
183 break;
184 default:
185 system_type = "RM200-Cxx";
186 break;
187 }
188 break;
189 case SNI_BRD_PCI_TOWER_CPLUS:
190 system_type = "RM400-Exx";
191 break;
192 case SNI_BRD_PCI_MTOWER_CPLUS:
193 system_type = "RM300-Exx";
194 break;
195 }
196 pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type, system_type);
197
198#ifdef DEBUG
199 sni_idprom_dump();
200#endif
201
202 switch (sni_brd_type) {
203 case SNI_BRD_10:
204 case SNI_BRD_10NEW:
205 case SNI_BRD_TOWER_OASIC:
206 case SNI_BRD_MINITOWER:
207 sni_a20r_init();
208 break;
209
210 case SNI_BRD_PCI_TOWER:
211 case SNI_BRD_PCI_TOWER_CPLUS:
212 sni_pcit_init();
213 break;
214
215 case SNI_BRD_RM200:
216 sni_rm200_init();
217 break;
218
219 case SNI_BRD_PCI_MTOWER:
220 case SNI_BRD_PCI_DESKTOP:
221 case SNI_BRD_PCI_MTOWER_CPLUS:
222 sni_pcimt_init();
223 break;
224 }
225
226 _machine_restart = sni_machine_restart;
227 pm_power_off = sni_machine_power_off;
228
229 sni_display_setup();
230 sni_console_setup();
231}
232
233#ifdef CONFIG_PCI
234
235#include <linux/pci.h>
236#include <video/vga.h>
237#include <video/cirrus.h>
238
239static void quirk_cirrus_ram_size(struct pci_dev *dev)
240{
241 u16 cmd;
242
243
244
245
246
247
248 pci_read_config_word(dev, PCI_COMMAND, &cmd);
249 if ((cmd & (PCI_COMMAND_IO|PCI_COMMAND_MEMORY))
250 == (PCI_COMMAND_IO|PCI_COMMAND_MEMORY)) {
251 vga_wseq(NULL, CL_SEQR6, 0x12);
252 vga_wseq(NULL, CL_SEQRF, 0x18);
253 }
254}
255
256DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5434_8,
257 quirk_cirrus_ram_size);
258DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5436,
259 quirk_cirrus_ram_size);
260DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446,
261 quirk_cirrus_ram_size);
262#endif
263
