diff options
Diffstat (limited to 'arch/mips/sni/sniprom.c')
-rw-r--r-- | arch/mips/sni/sniprom.c | 129 |
1 files changed, 119 insertions, 10 deletions
diff --git a/arch/mips/sni/sniprom.c b/arch/mips/sni/sniprom.c index 1213d166f22e..6a44bbf0b732 100644 --- a/arch/mips/sni/sniprom.c +++ b/arch/mips/sni/sniprom.c | |||
@@ -12,6 +12,7 @@ | |||
12 | #include <linux/kernel.h> | 12 | #include <linux/kernel.h> |
13 | #include <linux/init.h> | 13 | #include <linux/init.h> |
14 | #include <linux/string.h> | 14 | #include <linux/string.h> |
15 | #include <linux/console.h> | ||
15 | 16 | ||
16 | #include <asm/addrspace.h> | 17 | #include <asm/addrspace.h> |
17 | #include <asm/sni.h> | 18 | #include <asm/sni.h> |
@@ -31,7 +32,7 @@ | |||
31 | #define PROM_ENTRY(x) (PROM_VEC + (x)) | 32 | #define PROM_ENTRY(x) (PROM_VEC + (x)) |
32 | 33 | ||
33 | 34 | ||
34 | #undef DEBUG | 35 | #define DEBUG |
35 | #ifdef DEBUG | 36 | #ifdef DEBUG |
36 | #define DBG_PRINTF(x...) prom_printf(x) | 37 | #define DBG_PRINTF(x...) prom_printf(x) |
37 | #else | 38 | #else |
@@ -93,14 +94,14 @@ static void sni_idprom_dump(void) | |||
93 | { | 94 | { |
94 | int i; | 95 | int i; |
95 | 96 | ||
96 | prom_printf("SNI IDProm dump (first 128byte):\n"); | 97 | prom_printf("SNI IDProm dump:\n"); |
97 | for(i=0;i<128;i++) { | 98 | for (i = 0; i < 256; i++) { |
98 | if (i%16 == 0) | 99 | if (i%16 == 0) |
99 | prom_printf("%04x ", i); | 100 | prom_printf("%04x ", i); |
100 | 101 | ||
101 | prom_printf("%02x ", *(unsigned char *) (SNI_IDPROM_BASE+i)); | 102 | prom_printf("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i)); |
102 | 103 | ||
103 | if (i%16 == 15) | 104 | if (i % 16 == 15) |
104 | prom_printf("\n"); | 105 | prom_printf("\n"); |
105 | } | 106 | } |
106 | } | 107 | } |
@@ -118,7 +119,7 @@ static void sni_mem_init(void ) | |||
118 | } memconf[8]; | 119 | } memconf[8]; |
119 | 120 | ||
120 | /* MemSIZE from prom in 16MByte chunks */ | 121 | /* MemSIZE from prom in 16MByte chunks */ |
121 | memsize=*((unsigned char *) SNI_IDPROM_MEMSIZE) * 16; | 122 | memsize = *((unsigned char *) SNI_IDPROM_MEMSIZE) * 16; |
122 | 123 | ||
123 | DBG_PRINTF("IDProm memsize: %lu MByte\n", memsize); | 124 | DBG_PRINTF("IDProm memsize: %lu MByte\n", memsize); |
124 | 125 | ||
@@ -126,26 +127,134 @@ static void sni_mem_init(void ) | |||
126 | __prom_get_memconf(&memconf); | 127 | __prom_get_memconf(&memconf); |
127 | 128 | ||
128 | DBG_PRINTF("prom_get_mem_conf memory configuration:\n"); | 129 | DBG_PRINTF("prom_get_mem_conf memory configuration:\n"); |
129 | for(i=0;i<8 && memconf[i].size;i++) { | 130 | for (i = 0;i < 8 && memconf[i].size; i++) { |
130 | prom_printf("Bank%d: %08x @ %08x\n", i, | 131 | if (sni_brd_type == SNI_BRD_PCI_TOWER || |
132 | sni_brd_type == SNI_BRD_PCI_TOWER_CPLUS) { | ||
133 | if (memconf[i].base >= 0x20000000 && | ||
134 | memconf[i].base < 0x30000000) { | ||
135 | memconf[i].base -= 0x20000000; | ||
136 | } | ||
137 | } | ||
138 | DBG_PRINTF("Bank%d: %08x @ %08x\n", i, | ||
131 | memconf[i].size, memconf[i].base); | 139 | memconf[i].size, memconf[i].base); |
132 | add_memory_region(memconf[i].base, memconf[i].size, BOOT_MEM_RAM); | 140 | add_memory_region(memconf[i].base, memconf[i].size, BOOT_MEM_RAM); |
133 | } | 141 | } |
134 | } | 142 | } |
135 | 143 | ||
144 | static void __init sni_console_setup(void) | ||
145 | { | ||
146 | char *ctype; | ||
147 | char *cdev; | ||
148 | char *baud; | ||
149 | int port; | ||
150 | static char options[8]; | ||
151 | |||
152 | cdev = prom_getenv ("console_dev"); | ||
153 | if (strncmp (cdev, "tty", 3) == 0) { | ||
154 | ctype = prom_getenv ("console"); | ||
155 | switch (*ctype) { | ||
156 | default: | ||
157 | case 'l': | ||
158 | port = 0; | ||
159 | baud = prom_getenv("lbaud"); | ||
160 | break; | ||
161 | case 'r': | ||
162 | port = 1; | ||
163 | baud = prom_getenv("rbaud"); | ||
164 | break; | ||
165 | } | ||
166 | if (baud) | ||
167 | strcpy(options, baud); | ||
168 | add_preferred_console("ttyS", port, baud ? options : NULL); | ||
169 | } | ||
170 | } | ||
171 | |||
136 | void __init prom_init(void) | 172 | void __init prom_init(void) |
137 | { | 173 | { |
138 | int argc = fw_arg0; | 174 | int argc = fw_arg0; |
139 | char **argv = (void *)fw_arg1; | 175 | char **argv = (void *)fw_arg1; |
140 | unsigned int sni_brd_type = *(unsigned char *) SNI_IDPROM_BRDTYPE; | ||
141 | int i; | 176 | int i; |
177 | int cputype; | ||
142 | 178 | ||
143 | DBG_PRINTF("Found SNI brdtype %02x\n", sni_brd_type); | 179 | sni_brd_type = *(unsigned char *)SNI_IDPROM_BRDTYPE; |
180 | cputype = *(unsigned char *)SNI_IDPROM_CPUTYPE; | ||
181 | switch (sni_brd_type) { | ||
182 | case SNI_BRD_TOWER_OASIC: | ||
183 | switch (cputype) { | ||
184 | case SNI_CPU_M8030: | ||
185 | systype = "RM400-330"; | ||
186 | break; | ||
187 | case SNI_CPU_M8031: | ||
188 | systype = "RM400-430"; | ||
189 | break; | ||
190 | case SNI_CPU_M8037: | ||
191 | systype = "RM400-530"; | ||
192 | break; | ||
193 | case SNI_CPU_M8034: | ||
194 | systype = "RM400-730"; | ||
195 | break; | ||
196 | default: | ||
197 | systype = "RM400-xxx"; | ||
198 | break; | ||
199 | } | ||
200 | break; | ||
201 | case SNI_BRD_MINITOWER: | ||
202 | switch (cputype) { | ||
203 | case SNI_CPU_M8021: | ||
204 | case SNI_CPU_M8043: | ||
205 | systype = "RM400-120"; | ||
206 | break; | ||
207 | case SNI_CPU_M8040: | ||
208 | systype = "RM400-220"; | ||
209 | break; | ||
210 | case SNI_CPU_M8053: | ||
211 | systype = "RM400-225"; | ||
212 | break; | ||
213 | case SNI_CPU_M8050: | ||
214 | systype = "RM400-420"; | ||
215 | break; | ||
216 | default: | ||
217 | systype = "RM400-xxx"; | ||
218 | break; | ||
219 | } | ||
220 | break; | ||
221 | case SNI_BRD_PCI_TOWER: | ||
222 | systype = "RM400-Cxx"; | ||
223 | break; | ||
224 | case SNI_BRD_RM200: | ||
225 | systype = "RM200-xxx"; | ||
226 | break; | ||
227 | case SNI_BRD_PCI_MTOWER: | ||
228 | systype = "RM300-Cxx"; | ||
229 | break; | ||
230 | case SNI_BRD_PCI_DESKTOP: | ||
231 | switch (read_c0_prid() & 0xff00) { | ||
232 | case PRID_IMP_R4600: | ||
233 | case PRID_IMP_R4700: | ||
234 | systype = "RM200-C20"; | ||
235 | break; | ||
236 | case PRID_IMP_R5000: | ||
237 | systype = "RM200-C40"; | ||
238 | break; | ||
239 | default: | ||
240 | systype = "RM200-Cxx"; | ||
241 | break; | ||
242 | } | ||
243 | break; | ||
244 | case SNI_BRD_PCI_TOWER_CPLUS: | ||
245 | systype = "RM400-Exx"; | ||
246 | break; | ||
247 | case SNI_BRD_PCI_MTOWER_CPLUS: | ||
248 | systype = "RM300-Exx"; | ||
249 | break; | ||
250 | } | ||
251 | DBG_PRINTF("Found SNI brdtype %02x name %s\n", sni_brd_type,systype); | ||
144 | 252 | ||
145 | #ifdef DEBUG | 253 | #ifdef DEBUG |
146 | sni_idprom_dump(); | 254 | sni_idprom_dump(); |
147 | #endif | 255 | #endif |
148 | sni_mem_init(); | 256 | sni_mem_init(); |
257 | sni_console_setup(); | ||
149 | 258 | ||
150 | /* copy prom cmdline parameters to kernel cmdline */ | 259 | /* copy prom cmdline parameters to kernel cmdline */ |
151 | for (i = 1; i < argc; i++) { | 260 | for (i = 1; i < argc; i++) { |