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Commit | Line | Data |
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1da177e4 LT |
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 | * | |
fcdb27ad | 8 | * Copyright (C) 1996, 97, 98, 2000, 03, 04, 06 Ralf Baechle (ralf@linux-mips.org) |
22df5bc5 | 9 | * Copyright (C) 2006,2007 Thomas Bogendoerfer (tsbogend@alpha.franken.de) |
1da177e4 | 10 | */ |
1da177e4 | 11 | #include <linux/eisa.h> |
1da177e4 | 12 | #include <linux/init.h> |
f9ded569 | 13 | #include <linux/export.h> |
1da177e4 LT |
14 | #include <linux/console.h> |
15 | #include <linux/fb.h> | |
894673ee | 16 | #include <linux/screen_info.h> |
1da177e4 | 17 | |
0e2794b0 | 18 | #ifdef CONFIG_FW_ARC |
2f56cfdd | 19 | #include <asm/fw/arc/types.h> |
1da177e4 | 20 | #include <asm/sgialib.h> |
4a0312fc TB |
21 | #endif |
22 | ||
0e2794b0 | 23 | #ifdef CONFIG_FW_SNIPROM |
231a35d3 TB |
24 | #include <asm/mipsprom.h> |
25 | #endif | |
26 | ||
27 | #include <asm/bootinfo.h> | |
8ff374b9 | 28 | #include <asm/cpu.h> |
1da177e4 | 29 | #include <asm/io.h> |
1da177e4 LT |
30 | #include <asm/reboot.h> |
31 | #include <asm/sni.h> | |
c066a32a TB |
32 | |
33 | unsigned int sni_brd_type; | |
231a35d3 | 34 | EXPORT_SYMBOL(sni_brd_type); |
1da177e4 LT |
35 | |
36 | extern void sni_machine_restart(char *command); | |
1da177e4 LT |
37 | extern void sni_machine_power_off(void); |
38 | ||
1da177e4 LT |
39 | static void __init sni_display_setup(void) |
40 | { | |
0e2794b0 | 41 | #if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_FW_ARC) |
1da177e4 LT |
42 | struct screen_info *si = &screen_info; |
43 | DISPLAY_STATUS *di; | |
44 | ||
45 | di = ArcGetDisplayStatus(1); | |
46 | ||
47 | if (di) { | |
48 | si->orig_x = di->CursorXPosition; | |
49 | si->orig_y = di->CursorYPosition; | |
50 | si->orig_video_cols = di->CursorMaxXPosition; | |
51 | si->orig_video_lines = di->CursorMaxYPosition; | |
52 | si->orig_video_isVGA = VIDEO_TYPE_VGAC; | |
53 | si->orig_video_points = 16; | |
54 | } | |
55 | #endif | |
1da177e4 LT |
56 | } |
57 | ||
231a35d3 TB |
58 | static void __init sni_console_setup(void) |
59 | { | |
0e2794b0 | 60 | #ifndef CONFIG_FW_ARC |
231a35d3 TB |
61 | char *ctype; |
62 | char *cdev; | |
63 | char *baud; | |
64 | int port; | |
599a8945 | 65 | static char options[8] __initdata; |
231a35d3 TB |
66 | |
67 | cdev = prom_getenv("console_dev"); | |
68 | if (strncmp(cdev, "tty", 3) == 0) { | |
69 | ctype = prom_getenv("console"); | |
70 | switch (*ctype) { | |
71 | default: | |
72 | case 'l': | |
73 | port = 0; | |
74 | baud = prom_getenv("lbaud"); | |
75 | break; | |
76 | case 'r': | |
77 | port = 1; | |
78 | baud = prom_getenv("rbaud"); | |
79 | break; | |
80 | } | |
81 | if (baud) | |
82 | strcpy(options, baud); | |
83 | if (strncmp(cdev, "tty552", 6) == 0) | |
84 | add_preferred_console("ttyS", port, | |
85 | baud ? options : NULL); | |
86 | else | |
87 | add_preferred_console("ttySC", port, | |
88 | baud ? options : NULL); | |
89 | } | |
90 | #endif | |
91 | } | |
92 | ||
93 | #ifdef DEBUG | |
94 | static void __init sni_idprom_dump(void) | |
95 | { | |
96 | int i; | |
97 | ||
98 | pr_debug("SNI IDProm dump:\n"); | |
99 | for (i = 0; i < 256; i++) { | |
100 | if (i%16 == 0) | |
101 | pr_debug("%04x ", i); | |
102 | ||
103 | printk("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i)); | |
104 | ||
105 | if (i % 16 == 15) | |
106 | printk("\n"); | |
107 | } | |
108 | } | |
109 | #endif | |
1da177e4 | 110 | |
2925aba4 | 111 | void __init plat_mem_setup(void) |
1da177e4 | 112 | { |
231a35d3 TB |
113 | int cputype; |
114 | ||
1da177e4 | 115 | set_io_port_base(SNI_PORT_BASE); |
c066a32a | 116 | // ioport_resource.end = sni_io_resource.end; |
1da177e4 LT |
117 | |
118 | /* | |
119 | * Setup (E)ISA I/O memory access stuff | |
120 | */ | |
1da177e4 LT |
121 | #ifdef CONFIG_EISA |
122 | EISA_bus = 1; | |
123 | #endif | |
124 | ||
231a35d3 TB |
125 | sni_brd_type = *(unsigned char *)SNI_IDPROM_BRDTYPE; |
126 | cputype = *(unsigned char *)SNI_IDPROM_CPUTYPE; | |
127 | switch (sni_brd_type) { | |
128 | case SNI_BRD_TOWER_OASIC: | |
129 | switch (cputype) { | |
130 | case SNI_CPU_M8030: | |
131 | system_type = "RM400-330"; | |
132 | break; | |
133 | case SNI_CPU_M8031: | |
134 | system_type = "RM400-430"; | |
135 | break; | |
136 | case SNI_CPU_M8037: | |
137 | system_type = "RM400-530"; | |
138 | break; | |
139 | case SNI_CPU_M8034: | |
140 | system_type = "RM400-730"; | |
141 | break; | |
142 | default: | |
143 | system_type = "RM400-xxx"; | |
144 | break; | |
145 | } | |
146 | break; | |
147 | case SNI_BRD_MINITOWER: | |
148 | switch (cputype) { | |
149 | case SNI_CPU_M8021: | |
150 | case SNI_CPU_M8043: | |
151 | system_type = "RM400-120"; | |
152 | break; | |
153 | case SNI_CPU_M8040: | |
154 | system_type = "RM400-220"; | |
155 | break; | |
156 | case SNI_CPU_M8053: | |
157 | system_type = "RM400-225"; | |
158 | break; | |
159 | case SNI_CPU_M8050: | |
160 | system_type = "RM400-420"; | |
161 | break; | |
162 | default: | |
163 | system_type = "RM400-xxx"; | |
164 | break; | |
165 | } | |
166 | break; | |
167 | case SNI_BRD_PCI_TOWER: | |
168 | system_type = "RM400-Cxx"; | |
169 | break; | |
170 | case SNI_BRD_RM200: | |
171 | system_type = "RM200-xxx"; | |
172 | break; | |
173 | case SNI_BRD_PCI_MTOWER: | |
174 | system_type = "RM300-Cxx"; | |
175 | break; | |
176 | case SNI_BRD_PCI_DESKTOP: | |
8ff374b9 | 177 | switch (read_c0_prid() & PRID_IMP_MASK) { |
231a35d3 TB |
178 | case PRID_IMP_R4600: |
179 | case PRID_IMP_R4700: | |
180 | system_type = "RM200-C20"; | |
181 | break; | |
182 | case PRID_IMP_R5000: | |
183 | system_type = "RM200-C40"; | |
184 | break; | |
185 | default: | |
186 | system_type = "RM200-Cxx"; | |
187 | break; | |
188 | } | |
189 | break; | |
190 | case SNI_BRD_PCI_TOWER_CPLUS: | |
191 | system_type = "RM400-Exx"; | |
192 | break; | |
193 | case SNI_BRD_PCI_MTOWER_CPLUS: | |
194 | system_type = "RM300-Exx"; | |
195 | break; | |
196 | } | |
197 | pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type, system_type); | |
198 | ||
199 | #ifdef DEBUG | |
200 | sni_idprom_dump(); | |
201 | #endif | |
202 | ||
c066a32a TB |
203 | switch (sni_brd_type) { |
204 | case SNI_BRD_10: | |
205 | case SNI_BRD_10NEW: | |
206 | case SNI_BRD_TOWER_OASIC: | |
207 | case SNI_BRD_MINITOWER: | |
70342287 RB |
208 | sni_a20r_init(); |
209 | break; | |
c066a32a TB |
210 | |
211 | case SNI_BRD_PCI_TOWER: | |
212 | case SNI_BRD_PCI_TOWER_CPLUS: | |
70342287 | 213 | sni_pcit_init(); |
c066a32a TB |
214 | break; |
215 | ||
216 | case SNI_BRD_RM200: | |
70342287 RB |
217 | sni_rm200_init(); |
218 | break; | |
c066a32a TB |
219 | |
220 | case SNI_BRD_PCI_MTOWER: | |
221 | case SNI_BRD_PCI_DESKTOP: | |
222 | case SNI_BRD_PCI_MTOWER_CPLUS: | |
70342287 RB |
223 | sni_pcimt_init(); |
224 | break; | |
c066a32a | 225 | } |
1da177e4 LT |
226 | |
227 | _machine_restart = sni_machine_restart; | |
fcdb27ad | 228 | pm_power_off = sni_machine_power_off; |
1da177e4 LT |
229 | |
230 | sni_display_setup(); | |
231a35d3 | 231 | sni_console_setup(); |
1da177e4 | 232 | } |
22df5bc5 | 233 | |
231a35d3 | 234 | #ifdef CONFIG_PCI |
22df5bc5 TB |
235 | |
236 | #include <linux/pci.h> | |
237 | #include <video/vga.h> | |
238 | #include <video/cirrus.h> | |
239 | ||
28eb0e46 | 240 | static void quirk_cirrus_ram_size(struct pci_dev *dev) |
22df5bc5 TB |
241 | { |
242 | u16 cmd; | |
243 | ||
244 | /* | |
245 | * firmware doesn't set the ram size correct, so we | |
246 | * need to do it here, otherwise we get screen corruption | |
247 | * on older Cirrus chips | |
248 | */ | |
49a89efb | 249 | pci_read_config_word(dev, PCI_COMMAND, &cmd); |
22df5bc5 | 250 | if ((cmd & (PCI_COMMAND_IO|PCI_COMMAND_MEMORY)) |
70342287 RB |
251 | == (PCI_COMMAND_IO|PCI_COMMAND_MEMORY)) { |
252 | vga_wseq(NULL, CL_SEQR6, 0x12); /* unlock all extension registers */ | |
49a89efb | 253 | vga_wseq(NULL, CL_SEQRF, 0x18); |
22df5bc5 TB |
254 | } |
255 | } | |
256 | ||
257 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5434_8, | |
70342287 | 258 | quirk_cirrus_ram_size); |
22df5bc5 | 259 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5436, |
70342287 | 260 | quirk_cirrus_ram_size); |
22df5bc5 | 261 | DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446, |
70342287 | 262 | quirk_cirrus_ram_size); |
22df5bc5 | 263 | #endif |