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-rw-r--r--arch/mips/sni/sniprom.c172
1 files changed, 131 insertions, 41 deletions
diff --git a/arch/mips/sni/sniprom.c b/arch/mips/sni/sniprom.c
index 1213d166f22e..643366eb854a 100644
--- a/arch/mips/sni/sniprom.c
+++ b/arch/mips/sni/sniprom.c
@@ -9,9 +9,12 @@
9 * Copyright (C) 2005-2006 Thomas Bogendoerfer (tsbogend@alpha.franken.de) 9 * Copyright (C) 2005-2006 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
10 */ 10 */
11 11
12#define DEBUG
13
12#include <linux/kernel.h> 14#include <linux/kernel.h>
13#include <linux/init.h> 15#include <linux/init.h>
14#include <linux/string.h> 16#include <linux/string.h>
17#include <linux/console.h>
15 18
16#include <asm/addrspace.h> 19#include <asm/addrspace.h>
17#include <asm/sni.h> 20#include <asm/sni.h>
@@ -31,14 +34,13 @@
31#define PROM_ENTRY(x) (PROM_VEC + (x)) 34#define PROM_ENTRY(x) (PROM_VEC + (x))
32 35
33 36
34#undef DEBUG
35#ifdef DEBUG
36#define DBG_PRINTF(x...) prom_printf(x)
37#else
38#define DBG_PRINTF(x...)
39#endif
40
41static int *(*__prom_putchar)(int) = (int *(*)(int))PROM_ENTRY(PROM_PUTCHAR); 37static int *(*__prom_putchar)(int) = (int *(*)(int))PROM_ENTRY(PROM_PUTCHAR);
38
39void prom_putchar(char c)
40{
41 __prom_putchar(c);
42}
43
42static char *(*__prom_getenv)(char *) = (char *(*)(char *))PROM_ENTRY(PROM_GETENV); 44static char *(*__prom_getenv)(char *) = (char *(*)(char *))PROM_ENTRY(PROM_GETENV);
43static void (*__prom_get_memconf)(void *) = (void (*)(void *))PROM_ENTRY(PROM_GET_MEMCONF); 45static void (*__prom_get_memconf)(void *) = (void (*)(void *))PROM_ENTRY(PROM_GET_MEMCONF);
44 46
@@ -47,26 +49,6 @@ char *prom_getenv (char *s)
47 return __prom_getenv(s); 49 return __prom_getenv(s);
48} 50}
49 51
50void prom_printf(char *fmt, ...)
51{
52 va_list args;
53 char ppbuf[1024];
54 char *bptr;
55
56 va_start(args, fmt);
57 vsprintf(ppbuf, fmt, args);
58
59 bptr = ppbuf;
60
61 while (*bptr != 0) {
62 if (*bptr == '\n')
63 __prom_putchar('\r');
64
65 __prom_putchar(*bptr++);
66 }
67 va_end(args);
68}
69
70void __init prom_free_prom_memory(void) 52void __init prom_free_prom_memory(void)
71{ 53{
72} 54}
@@ -93,15 +75,15 @@ static void sni_idprom_dump(void)
93{ 75{
94 int i; 76 int i;
95 77
96 prom_printf("SNI IDProm dump (first 128byte):\n"); 78 pr_debug("SNI IDProm dump:\n");
97 for(i=0;i<128;i++) { 79 for (i = 0; i < 256; i++) {
98 if (i%16 == 0) 80 if (i%16 == 0)
99 prom_printf("%04x ", i); 81 pr_debug("%04x ", i);
100 82
101 prom_printf("%02x ", *(unsigned char *) (SNI_IDPROM_BASE+i)); 83 printk("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i));
102 84
103 if (i%16 == 15) 85 if (i % 16 == 15)
104 prom_printf("\n"); 86 printk("\n");
105 } 87 }
106} 88}
107#endif 89#endif
@@ -118,34 +100,142 @@ static void sni_mem_init(void )
118 } memconf[8]; 100 } memconf[8];
119 101
120 /* MemSIZE from prom in 16MByte chunks */ 102 /* MemSIZE from prom in 16MByte chunks */
121 memsize=*((unsigned char *) SNI_IDPROM_MEMSIZE) * 16; 103 memsize = *((unsigned char *) SNI_IDPROM_MEMSIZE) * 16;
122 104
123 DBG_PRINTF("IDProm memsize: %lu MByte\n", memsize); 105 pr_debug("IDProm memsize: %lu MByte\n", memsize);
124 106
125 /* get memory bank layout from prom */ 107 /* get memory bank layout from prom */
126 __prom_get_memconf(&memconf); 108 __prom_get_memconf(&memconf);
127 109
128 DBG_PRINTF("prom_get_mem_conf memory configuration:\n"); 110 pr_debug("prom_get_mem_conf memory configuration:\n");
129 for(i=0;i<8 && memconf[i].size;i++) { 111 for (i = 0;i < 8 && memconf[i].size; i++) {
130 prom_printf("Bank%d: %08x @ %08x\n", i, 112 if (sni_brd_type == SNI_BRD_PCI_TOWER ||
113 sni_brd_type == SNI_BRD_PCI_TOWER_CPLUS) {
114 if (memconf[i].base >= 0x20000000 &&
115 memconf[i].base < 0x30000000) {
116 memconf[i].base -= 0x20000000;
117 }
118 }
119 pr_debug("Bank%d: %08x @ %08x\n", i,
131 memconf[i].size, memconf[i].base); 120 memconf[i].size, memconf[i].base);
132 add_memory_region(memconf[i].base, memconf[i].size, BOOT_MEM_RAM); 121 add_memory_region(memconf[i].base, memconf[i].size, BOOT_MEM_RAM);
133 } 122 }
134} 123}
135 124
125static void __init sni_console_setup(void)
126{
127 char *ctype;
128 char *cdev;
129 char *baud;
130 int port;
131 static char options[8];
132
133 cdev = prom_getenv ("console_dev");
134 if (strncmp (cdev, "tty", 3) == 0) {
135 ctype = prom_getenv ("console");
136 switch (*ctype) {
137 default:
138 case 'l':
139 port = 0;
140 baud = prom_getenv("lbaud");
141 break;
142 case 'r':
143 port = 1;
144 baud = prom_getenv("rbaud");
145 break;
146 }
147 if (baud)
148 strcpy(options, baud);
149 add_preferred_console("ttyS", port, baud ? options : NULL);
150 }
151}
152
136void __init prom_init(void) 153void __init prom_init(void)
137{ 154{
138 int argc = fw_arg0; 155 int argc = fw_arg0;
139 char **argv = (void *)fw_arg1; 156 char **argv = (void *)fw_arg1;
140 unsigned int sni_brd_type = *(unsigned char *) SNI_IDPROM_BRDTYPE;
141 int i; 157 int i;
142 158 int cputype;
143 DBG_PRINTF("Found SNI brdtype %02x\n", sni_brd_type); 159
160 sni_brd_type = *(unsigned char *)SNI_IDPROM_BRDTYPE;
161 cputype = *(unsigned char *)SNI_IDPROM_CPUTYPE;
162 switch (sni_brd_type) {
163 case SNI_BRD_TOWER_OASIC:
164 switch (cputype) {
165 case SNI_CPU_M8030:
166 systype = "RM400-330";
167 break;
168 case SNI_CPU_M8031:
169 systype = "RM400-430";
170 break;
171 case SNI_CPU_M8037:
172 systype = "RM400-530";
173 break;
174 case SNI_CPU_M8034:
175 systype = "RM400-730";
176 break;
177 default:
178 systype = "RM400-xxx";
179 break;
180 }
181 break;
182 case SNI_BRD_MINITOWER:
183 switch (cputype) {
184 case SNI_CPU_M8021:
185 case SNI_CPU_M8043:
186 systype = "RM400-120";
187 break;
188 case SNI_CPU_M8040:
189 systype = "RM400-220";
190 break;
191 case SNI_CPU_M8053:
192 systype = "RM400-225";
193 break;
194 case SNI_CPU_M8050:
195 systype = "RM400-420";
196 break;
197 default:
198 systype = "RM400-xxx";
199 break;
200 }
201 break;
202 case SNI_BRD_PCI_TOWER:
203 systype = "RM400-Cxx";
204 break;
205 case SNI_BRD_RM200:
206 systype = "RM200-xxx";
207 break;
208 case SNI_BRD_PCI_MTOWER:
209 systype = "RM300-Cxx";
210 break;
211 case SNI_BRD_PCI_DESKTOP:
212 switch (read_c0_prid() & 0xff00) {
213 case PRID_IMP_R4600:
214 case PRID_IMP_R4700:
215 systype = "RM200-C20";
216 break;
217 case PRID_IMP_R5000:
218 systype = "RM200-C40";
219 break;
220 default:
221 systype = "RM200-Cxx";
222 break;
223 }
224 break;
225 case SNI_BRD_PCI_TOWER_CPLUS:
226 systype = "RM400-Exx";
227 break;
228 case SNI_BRD_PCI_MTOWER_CPLUS:
229 systype = "RM300-Exx";
230 break;
231 }
232 pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type,systype);
144 233
145#ifdef DEBUG 234#ifdef DEBUG
146 sni_idprom_dump(); 235 sni_idprom_dump();
147#endif 236#endif
148 sni_mem_init(); 237 sni_mem_init();
238 sni_console_setup();
149 239
150 /* copy prom cmdline parameters to kernel cmdline */ 240 /* copy prom cmdline parameters to kernel cmdline */
151 for (i = 1; i < argc; i++) { 241 for (i = 1; i < argc; i++) {