summaryrefslogtreecommitdiff
path: root/board/fads/fads.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/fads/fads.c')
-rw-r--r--board/fads/fads.c859
1 files changed, 484 insertions, 375 deletions
diff --git a/board/fads/fads.c b/board/fads/fads.c
index 051977196..3856b45cd 100644
--- a/board/fads/fads.c
+++ b/board/fads/fads.c
@@ -32,157 +32,155 @@
#if defined(CONFIG_DRAM_50MHZ)
/* 50MHz tables */
-const uint dram_60ns[] =
+static const uint dram_60ns[] =
{ 0x8fffec24, 0x0fffec04, 0x0cffec04, 0x00ffec04,
- 0x00ffec00, 0x37ffec47, 0xffffffff, 0xffffffff,
+ 0x00ffec00, 0x37ffec47, _NOT_USED_, _NOT_USED_,
0x8fffec24, 0x0fffec04, 0x08ffec04, 0x00ffec0c,
0x03ffec00, 0x00ffec44, 0x00ffcc08, 0x0cffcc44,
0x00ffec0c, 0x03ffec00, 0x00ffec44, 0x00ffcc00,
- 0x3fffc847, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x3fffc847, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x8fafcc24, 0x0fafcc04, 0x0cafcc00, 0x11bfcc47,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x8fafcc24, 0x0fafcc04, 0x0cafcc00, 0x03afcc4c,
0x0cafcc00, 0x03afcc4c, 0x0cafcc00, 0x03afcc4c,
- 0x0cafcc00, 0x33bfcc4f, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x0cafcc00, 0x33bfcc4f, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0xc0ffcc84, 0x00ffcc04, 0x07ffcc04, 0x3fffcc06,
- 0xffffcc85, 0xffffcc05, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0x33ffcc07, 0xffffffff, 0xffffffff, 0xffffffff };
+ 0xffffcc85, 0xffffcc05, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-const uint dram_70ns[] =
+static const uint dram_70ns[] =
{ 0x8fffcc24, 0x0fffcc04, 0x0cffcc04, 0x00ffcc04,
- 0x00ffcc00, 0x37ffcc47, 0xffffffff, 0xffffffff,
+ 0x00ffcc00, 0x37ffcc47, _NOT_USED_, _NOT_USED_,
0x8fffcc24, 0x0fffcc04, 0x0cffcc04, 0x00ffcc04,
0x00ffcc08, 0x0cffcc44, 0x00ffec0c, 0x03ffec00,
0x00ffec44, 0x00ffcc08, 0x0cffcc44, 0x00ffec04,
- 0x00ffec00, 0x3fffec47, 0xffffffff, 0xffffffff,
+ 0x00ffec00, 0x3fffec47, _NOT_USED_, _NOT_USED_,
0x8fafcc24, 0x0fafcc04, 0x0cafcc00, 0x11bfcc47,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x8fafcc24, 0x0fafcc04, 0x0cafcc00, 0x03afcc4c,
0x0cafcc00, 0x03afcc4c, 0x0cafcc00, 0x03afcc4c,
- 0x0cafcc00, 0x33bfcc4f, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x0cafcc00, 0x33bfcc4f, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0xe0ffcc84, 0x00ffcc04, 0x00ffcc04, 0x0fffcc04,
- 0x7fffcc06, 0xffffcc85, 0xffffcc05, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0x33ffcc07, 0xffffffff, 0xffffffff, 0xffffffff };
+ 0x7fffcc06, 0xffffcc85, 0xffffcc05, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-const uint edo_60ns[] =
+static const uint edo_60ns[] =
{ 0x8ffbec24, 0x0ff3ec04, 0x0cf3ec04, 0x00f3ec04,
- 0x00f3ec00, 0x37f7ec47, 0xffffffff, 0xffffffff,
+ 0x00f3ec00, 0x37f7ec47, _NOT_USED_, _NOT_USED_,
0x8fffec24, 0x0ffbec04, 0x0cf3ec04, 0x00f3ec0c,
0x0cf3ec00, 0x00f3ec4c, 0x0cf3ec00, 0x00f3ec4c,
0x0cf3ec00, 0x00f3ec44, 0x03f3ec00, 0x3ff7ec47,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x11bfcc47,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x03afcc4c,
0x0cafcc00, 0x03afcc4c, 0x0cafcc00, 0x03afcc4c,
- 0x0cafcc00, 0x33bfcc4f, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x0cafcc00, 0x33bfcc4f, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0xc0ffcc84, 0x00ffcc04, 0x07ffcc04, 0x3fffcc06,
- 0xffffcc85, 0xffffcc05, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0x33ffcc07, 0xffffffff, 0xffffffff, 0xffffffff };
+ 0xffffcc85, 0xffffcc05, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-const uint edo_70ns[] =
+static const uint edo_70ns[] =
{ 0x8ffbcc24, 0x0ff3cc04, 0x0cf3cc04, 0x00f3cc04,
- 0x00f3cc00, 0x37f7cc47, 0xffffffff, 0xffffffff,
+ 0x00f3cc00, 0x37f7cc47, _NOT_USED_, _NOT_USED_,
0x8fffcc24, 0x0ffbcc04, 0x0cf3cc04, 0x00f3cc0c,
0x03f3cc00, 0x00f3cc44, 0x00f3ec0c, 0x0cf3ec00,
0x00f3ec4c, 0x03f3ec00, 0x00f3ec44, 0x00f3cc00,
- 0x33f7cc47, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x33f7cc47, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x11bfcc47,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x03afcc4c,
0x0cafcc00, 0x03afcc4c, 0x0cafcc00, 0x03afcc4c,
- 0x0cafcc00, 0x33bfcc47, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x0cafcc00, 0x33bfcc47, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0xe0ffcc84, 0x00ffcc04, 0x00ffcc04, 0x0fffcc04,
- 0x7fffcc04, 0xffffcc86, 0xffffcc05, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0x33ffcc07, 0xffffffff, 0xffffffff, 0xffffffff };
+ 0x7fffcc04, 0xffffcc86, 0xffffcc05, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
#elif defined(CONFIG_DRAM_25MHZ)
/* 25MHz tables */
-const uint dram_60ns[] =
-{ 0x0fffcc04, 0x08ffcc00, 0x33ffcc47, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+static const uint dram_60ns[] =
+{ 0x0fffcc04, 0x08ffcc00, 0x33ffcc47, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x0fffcc24, 0x0fffcc04, 0x08ffcc00, 0x03ffcc4c,
0x08ffcc00, 0x03ffcc4c, 0x08ffcc00, 0x03ffcc4c,
- 0x08ffcc00, 0x33ffcc47, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0x0fafcc04, 0x08afcc00, 0x3fbfcc47, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x08ffcc00, 0x33ffcc47, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0x0fafcc04, 0x08afcc00, 0x3fbfcc47, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x0fafcc04, 0x0cafcc00, 0x01afcc4c, 0x0cafcc00,
0x01afcc4c, 0x0cafcc00, 0x01afcc4c, 0x0cafcc00,
- 0x31bfcc43, 0xffffffff, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x31bfcc43, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x80ffcc84, 0x13ffcc04, 0xffffcc87, 0xffffcc05,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0x33ffcc07, 0xffffffff, 0xffffffff, 0xffffffff };
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-const uint dram_70ns[] =
+static const uint dram_70ns[] =
{ 0x0fffec04, 0x08ffec04, 0x00ffec00, 0x3fffcc47,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x0fffcc24, 0x0fffcc04, 0x08ffcc00, 0x03ffcc4c,
0x08ffcc00, 0x03ffcc4c, 0x08ffcc00, 0x03ffcc4c,
- 0x08ffcc00, 0x33ffcc47, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0x0fafcc04, 0x08afcc00, 0x3fbfcc47, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x08ffcc00, 0x33ffcc47, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0x0fafcc04, 0x08afcc00, 0x3fbfcc47, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x0fafcc04, 0x0cafcc00, 0x01afcc4c, 0x0cafcc00,
0x01afcc4c, 0x0cafcc00, 0x01afcc4c, 0x0cafcc00,
- 0x31bfcc43, 0xffffffff, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x31bfcc43, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0xc0ffcc84, 0x01ffcc04, 0x7fffcc86, 0xffffcc05,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0x33ffcc07, 0xffffffff, 0xffffffff, 0xffffffff };
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-const uint edo_60ns[] =
+static const uint edo_60ns[] =
{ 0x0ffbcc04, 0x0cf3cc04, 0x00f3cc00, 0x33f7cc47,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x0ffbcc04, 0x09f3cc0c, 0x09f3cc0c, 0x09f3cc0c,
- 0x08f3cc00, 0x3ff7cc47, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x08f3cc00, 0x3ff7cc47, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x0fefcc04, 0x08afcc04, 0x00afcc00, 0x3fbfcc47,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x0fefcc04, 0x08afcc00, 0x07afcc48, 0x08afcc48,
- 0x08afcc48, 0x39bfcc47, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x08afcc48, 0x39bfcc47, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x80ffcc84, 0x13ffcc04, 0xffffcc87, 0xffffcc05,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0x33ffcc07, 0xffffffff, 0xffffffff, 0xffffffff };
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-const uint edo_70ns[] =
+static const uint edo_70ns[] =
{ 0x0ffbcc04, 0x0cf3cc04, 0x00f3cc00, 0x33f7cc47,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x0ffbec04, 0x08f3ec04, 0x03f3ec48, 0x08f3cc00,
0x0ff3cc4c, 0x08f3cc00, 0x0ff3cc4c, 0x08f3cc00,
- 0x3ff7cc47, 0xffffffff, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x3ff7cc47, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x0fefcc04, 0x08afcc04, 0x00afcc00, 0x3fbfcc47,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0x0fefcc04, 0x08afcc00, 0x07afcc4c, 0x08afcc00,
0x07afcc4c, 0x08afcc00, 0x07afcc4c, 0x08afcc00,
- 0x37bfcc47, 0xffffffff, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x37bfcc47, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
0xc0ffcc84, 0x01ffcc04, 0x7fffcc86, 0xffffcc05,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0x33ffcc07, 0xffffffff, 0xffffffff, 0xffffffff };
-
-
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
#else
-#error dram not correct defined - use CONFIG_DRAM_25MHZ or CONFIG_DRAM_50MHZ
+#error dram not correctly defined - use CONFIG_DRAM_25MHZ or CONFIG_DRAM_50MHZ
#endif
/* ------------------------------------------------------------------------- */
@@ -192,31 +190,11 @@ const uint edo_70ns[] =
* Check Board Identity:
*/
-int checkboard (void)
+#if defined(CONFIG_FADS) && !defined(CONFIG_MPC86xADS)
+static void checkdboard(void)
{
- uint k;
-
- puts ("Board: ");
-
-#ifdef CONFIG_FADS
- k = (*((uint *)BCSR3) >> 24) & 0x3f;
-
- switch(k) {
- case 0x03 :
- case 0x20 :
- case 0x21 :
- case 0x22 :
- case 0x23 :
- case 0x24 :
- case 0x2a :
- case 0x3f :
- puts ("FADS");
- break;
-
- default :
- printf("unknown board (0x%02x)\n", k);
- return -1;
- }
+ /* get db type from BCSR 3 */
+ uint k = (*((uint *)BCSR3) >> 24) & 0x3f;
printf(" with db ");
@@ -237,147 +215,202 @@ int checkboard (void)
puts ("MPC860SAR");
break;
case 0x24 :
+ case 0x2A :
puts ("MPC860T");
break;
- case 0x3f :
+ case 0x3F :
puts ("MPC850SAR");
break;
+ default : printf("0x%x", k);
}
+}
+#endif /* defined(CONFIG_FADS) && !defined(CONFIG_MPC86xADS) */
- printf(" rev ");
+int checkboard (void)
+{
+ /* get revision from BCSR 3 */
+ uint r = (((*((uint *) BCSR3) >> 23) & 1) << 3)
+ | (((*((uint *) BCSR3) >> 19) & 1) << 2)
+ | (((*((uint *) BCSR3) >> 16) & 3));
- k = (((*((uint *)BCSR3) >> 23) & 1) << 3)
- | (((*((uint *)BCSR3) >> 19) & 1) << 2)
- | (((*((uint *)BCSR3) >> 16) & 3));
+ puts ("Board: ");
- switch(k) {
- case 0x01 :
- puts ("ENG or PILOT\n");
- break;
+#ifdef CONFIG_FADS
+# ifdef CONFIG_MPC86xADS
+ puts ("MPC86xADS");
+# else
+ puts ("FADS");
+ checkdboard ();
+# endif /* !CONFIG_MPC86xADS */
+ printf (" rev ");
+ switch (r) {
+ case 0x00:
+ puts ("ENG\n");
+ break;
+ case 0x01:
+ puts ("PILOT\n");
+ break;
default:
- printf("unknown (0x%x)\n", k);
+ printf ("unknown (0x%x)\n", r);
+ return (-1);
+ }
+#endif /* CONFIG_FADS */
+
+#ifdef CONFIG_ADS
+ printf ("ADS rev ");
+
+ switch (r) {
+ case 0x00:
+ puts ("ENG - this board sucks, check the errata, not supported\n");
return -1;
+ case 0x01:
+ puts ("PILOT - warning, read errata \n");
+ break;
+ case 0x02:
+ puts ("A - warning, read errata \n");
+ break;
+ case 0x03:
+ puts ("B \n");
+ break;
+ default:
+ printf ("unknown revision (0x%x)\n", r);
+ return (-1);
}
+#endif /* CONFIG_ADS */
return 0;
-#endif /* CONFIG_FADS */
+}
-#ifdef CONFIG_ADS
- printf("ADS rev ");
+/* ------------------------------------------------------------------------- */
+static long int dram_size (long int *base, long int maxsize)
+{
+ volatile long int *addr=base;
+ ulong cnt, val;
+ ulong save[32]; /* to make test non-destructive */
+ unsigned char i = 0;
+
+ for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) {
+ addr = base + cnt; /* pointer arith! */
- k = (((*((uint *)BCSR3) >> 23) & 1) << 3)
- | (((*((uint *)BCSR3) >> 19) & 1) << 2)
- | (((*((uint *)BCSR3) >> 16) & 3));
+ save[i++] = *addr;
+ *addr = ~cnt;
+ }
- switch(k) {
- case 0x00 : puts ("ENG - this board sucks, check the errata, not supported\n");
- return -1;
- case 0x01 : puts ("PILOT - warning, read errata \n"); break;
- case 0x02 : puts ("A - warning, read errata \n"); break;
- case 0x03 : puts ("B \n"); break;
- default : printf ("unknown revision (0x%x)\n", k); return -1;
- }
+ /* write 0 to base address */
+ addr = base;
+ save[i] = *addr;
+ *addr = 0;
- return 0;
-#endif /* CONFIG_ADS */
+ /* check at base address */
+ if ((val = *addr) != 0) {
+ *addr = save[i];
+ return (0);
+ }
+ for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) {
+ addr = base + cnt; /* pointer arith! */
+
+ val = *addr;
+ *addr = save[--i];
+
+ if (val != (~cnt)) {
+ return (cnt * sizeof (long));
+ }
+ }
+ return (maxsize);
}
/* ------------------------------------------------------------------------- */
-int _draminit(uint base, uint noMbytes, uint edo, uint delay)
+static int _draminit (uint base, uint noMbytes, uint edo, uint delay)
{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
/* init upm */
- switch(delay)
- {
- case 70:
- {
- if(edo)
- {
- upmconfig(UPMA, (uint *) edo_70ns, sizeof(edo_70ns)/sizeof(uint));
- }
- else
- {
- upmconfig(UPMA, (uint *) dram_70ns, sizeof(dram_70ns)/sizeof(uint));
- }
-
- break;
+ switch (delay) {
+ case 70:
+ if (edo) {
+ upmconfig (UPMA, (uint *) edo_70ns,
+ sizeof (edo_70ns) / sizeof (uint));
+ } else {
+ upmconfig (UPMA, (uint *) dram_70ns,
+ sizeof (dram_70ns) / sizeof (uint));
}
- case 60:
- {
- if(edo)
- {
- upmconfig(UPMA, (uint *) edo_60ns, sizeof(edo_60ns)/sizeof(uint));
- }
- else
- {
- upmconfig(UPMA, (uint *) dram_60ns, sizeof(dram_60ns)/sizeof(uint));
- }
+ break;
- break;
+ case 60:
+ if (edo) {
+ upmconfig (UPMA, (uint *) edo_60ns,
+ sizeof (edo_60ns) / sizeof (uint));
+ } else {
+ upmconfig (UPMA, (uint *) dram_60ns,
+ sizeof (dram_60ns) / sizeof (uint));
}
- default :
- return -1;
- }
-
- memctl->memc_mptpr = 0x0400; /* divide by 16 */
+ break;
- switch(noMbytes)
- {
+ default:
+ return -1;
+ }
- case 8: /* 8 Mbyte uses both CS3 and CS2 */
- {
- memctl->memc_mamr = 0x13a01114;
- memctl->memc_or3 = 0xffc00800;
- memctl->memc_br3 = 0x00400081 + base;
- memctl->memc_or2 = 0xffc00800;
- break;
- }
+ memctl->memc_mptpr = 0x0400; /* divide by 16 */
- case 4: /* 4 Mbyte uses only CS2 */
- {
- memctl->memc_mamr = 0x13a01114;
- memctl->memc_or2 = 0xffc00800;
- break;
- }
+ switch (noMbytes) {
+ case 4: /* 4 Mbyte uses only CS2 */
+ memctl->memc_mamr = 0x13a01114; /* PTA 0x13 AMA 010 */
+ memctl->memc_or2 = 0xffc00800; /* 4M */
+ break;
- case 32: /* 32 Mbyte uses both CS3 and CS2 */
- {
- memctl->memc_mamr = 0x13b01114;
- memctl->memc_or3 = 0xff000800;
- memctl->memc_br3 = 0x01000081 + base;
- memctl->memc_or2 = 0xff000800;
- break;
- }
+ case 8: /* 8 Mbyte uses both CS3 and CS2 */
+ memctl->memc_mamr = 0x13a01114; /* PTA 0x13 AMA 010 */
+ memctl->memc_or3 = 0xffc00800; /* 4M */
+ memctl->memc_br3 = 0x00400081 + base;
+ memctl->memc_or2 = 0xffc00800; /* 4M */
+ break;
- case 16: /* 16 Mbyte uses only CS2 */
- {
-#ifdef CONFIG_ADS
- memctl->memc_mamr = 0x60b21114;
+ case 16: /* 16 Mbyte uses only CS2 */
+#ifdef CONFIG_ADS /* XXX: why PTA=0x60 only in 16M case? - NTL */
+ memctl->memc_mamr = 0x60b21114; /* PTA 0x60 AMA 011 */
#else
- memctl->memc_mamr = 0x13b01114;
+ memctl->memc_mamr = 0x13b01114; /* PTA 0x13 AMA 011 */
#endif
- memctl->memc_or2 = 0xff000800;
- break;
- }
+ memctl->memc_or2 = 0xff000800; /* 16M */
+ break;
+
+ case 32: /* 32 Mbyte uses both CS3 and CS2 */
+ memctl->memc_mamr = 0x13b01114; /* PTA 0x13 AMA 011 */
+ memctl->memc_or3 = 0xff000800; /* 16M */
+ memctl->memc_br3 = 0x01000081 + base;
+ memctl->memc_or2 = 0xff000800; /* 16M */
+ break;
+
+ default:
+ return -1;
+ }
+
+ memctl->memc_br2 = 0x81 + base; /* use upma */
+
+ /* if no dimm is inserted, noMbytes is still detected as 8m, so
+ * sanity check top and bottom of memory */
- default:
- return -1;
+ *((uint *) BCSR1) &= ~BCSR1_DRAM_EN; /* enable dram */
+
+ /* check bytes / 2 because dram_size tests at base+bytes, which
+ * is not mapped */
+ if (dram_size ((long *) base, noMbytes << 19) != noMbytes << 19) {
+ *((uint *) BCSR1) |= BCSR1_DRAM_EN; /* disable dram */
+ return -1;
}
- memctl->memc_br2 = 0x81 + base; /* use upma */
return 0;
}
/* ------------------------------------------------------------------------- */
-void _dramdisable(void)
+static void _dramdisable(void)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
@@ -388,6 +421,9 @@ void _dramdisable(void)
/* maybe we should turn off upma here or something */
}
+#ifdef CONFIG_FADS
+/* SDRAM SUPPORT (FADS ONLY) */
+
#if defined(CONFIG_SDRAM_100MHZ)
/* ------------------------------------------------------------------------- */
@@ -398,49 +434,49 @@ void _dramdisable(void)
* work at all processor speeds.
*/
-#define SDRAM_MPTPRVALUE 0x0400
-
-#define SDRAM_MBMRVALUE0 0xc3802114 /* (16-14) 50 MHz */
+#ifdef SDRAM_ALT_INIT_SEQENCE
+# define SDRAM_MBMRVALUE0 0xc3802114 /* PTx=195,PTxE,AMx=0,DSx=1,A11,RLFx=1,WLFx=1,TLFx=4 */
#define SDRAM_MBMRVALUE1 SDRAM_MBMRVALUE0
+# define SDRAM_MCRVALUE0 0x80808111 /* run upmb cs4 loop 1 addr 0x11 MRS */
+# define SDRAM_MCRVALUE1 SDRAM_MCRVALUE0 /* ??? why not 0x80808130? */
+#else
+# define SDRAM_MxMR_PTx 195
+# define UPM_MRS_ADDR 0x11
+# define UPM_REFRESH_ADDR 0x30 /* or 0x11 if we want to be like above? */
+#endif /* !SDRAM_ALT_INIT_SEQUENCE */
-#define SDRAM_OR4VALUE 0xffc00a00
-#define SDRAM_BR4VALUE 0x000000c1 /* base address will be or:ed on */
-
-#define SDRAM_MARVALUE 0x88
-
-#define SDRAM_MCRVALUE0 0x80808111 /* run pattern 0x11 */
-#define SDRAM_MCRVALUE1 SDRAM_MCRVALUE0
-
-
-const uint sdram_table[] =
+static const uint sdram_table[] =
{
/* single read. (offset 0 in upm RAM) */
0xefebfc24, 0x1f07fc24, 0xeeaefc04, 0x11adfc04,
- 0xefbbbc00, 0x1ff77c45, 0xffffffff, 0xffffffff,
+ 0xefbbbc00, 0x1ff77c45, _NOT_USED_, _NOT_USED_,
/* burst read. (offset 8 in upm RAM) */
0xefebfc24, 0x1f07fc24, 0xeeaefc04, 0x10adfc04,
0xf0affc00, 0xf0affc00, 0xf1affc00, 0xefbbbc00,
- 0x1ff77c45, 0xeffbbc04, 0x1ff77c34, 0xefeabc34,
- 0x1fb57c35, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x1ff77c45,
+
+ /* precharge + MRS. (offset 11 in upm RAM) */
+ 0xeffbbc04, 0x1ff77c34, 0xefeabc34,
+ 0x1fb57c35, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* single write. (offset 18 in upm RAM) */
0xefebfc24, 0x1f07fc24, 0xeeaebc00, 0x01b93c04,
- 0x1ff77c45, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0x1ff77c45, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* burst write. (offset 20 in upm RAM) */
0xefebfc24, 0x1f07fc24, 0xeeaebc00, 0x10ad7c00,
0xf0affc00, 0xf0affc00, 0xe1bbbc04, 0x1ff77c45,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* refresh. (offset 30 in upm RAM) */
0xeffafc84, 0x1ff5fc04, 0xfffffc04, 0xfffffc04,
- 0xfffffc84, 0xfffffc07, 0xffffffff, 0xffffffff,
- 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
+ 0xfffffc84, 0xfffffc07, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* exception. (offset 3c in upm RAM) */
- 0xeffffc06, 0x1ffffc07, 0xffffffff, 0xffffffff };
+ 0xeffffc06, 0x1ffffc07, _NOT_USED_, _NOT_USED_ };
#elif defined(CONFIG_SDRAM_50MHZ)
@@ -449,71 +485,74 @@ const uint sdram_table[] =
/* for chip MB811171622A-100 */
/* this table is for 32-50MHz operation */
-
-#define _not_used_ 0xffffffff
-
-#define SDRAM_MPTPRVALUE 0x0400
-
-#define SDRAM_MBMRVALUE0 0x80802114 /* refresh at 32MHz */
-#define SDRAM_MBMRVALUE1 0x80802118
-
-#define SDRAM_OR4VALUE 0xffc00a00
-#define SDRAM_BR4VALUE 0x000000c1 /* base address will be or:ed on */
-
+#ifdef SDRAM_ALT_INIT_SEQENCE
+# define SDRAM_MBMRVALUE0 0x80802114 /* PTx=128,PTxE,AMx=0,DSx=1,A11,RLFx=1,WLFx=1,TLFx=4 */
+# define SDRAM_MBMRVALUE1 0x80802118 /* PTx=128,PTxE,AMx=0,DSx=1,A11,RLFx=1,WLFx=1,TLFx=8 */
+# define SDRAM_MCRVALUE0 0x80808105 /* run upmb cs4 loop 1 addr 0x5 MRS */
+# define SDRAM_MCRVALUE1 0x80808130 /* run upmb cs4 loop 1 addr 0x30 REFRESH */
+# define SDRAM_MPTRVALUE 0x400
#define SDRAM_MARVALUE 0x88
+#else
+# define SDRAM_MxMR_PTx 128
+# define UPM_MRS_ADDR 0x5
+# define UPM_REFRESH_ADDR 0x30
+#endif /* !SDRAM_ALT_INIT_SEQUENCE */
-#define SDRAM_MCRVALUE0 0x80808105
-#define SDRAM_MCRVALUE1 0x80808130
-
-const uint sdram_table[] =
+static const uint sdram_table[] =
{
/* single read. (offset 0 in upm RAM) */
0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00,
0x1ff77c47,
- /* MRS initialization (offset 5) */
-
+ /* precharge + MRS. (offset 5 in upm RAM) */
0x1ff77c34, 0xefeabc34, 0x1fb57c35,
/* burst read. (offset 8 in upm RAM) */
0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00,
0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47,
- _not_used_, _not_used_, _not_used_, _not_used_,
- _not_used_, _not_used_, _not_used_, _not_used_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* single write. (offset 18 in upm RAM) */
0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47,
- _not_used_, _not_used_, _not_used_, _not_used_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* burst write. (offset 20 in upm RAM) */
0x1f07fc04, 0xeeaebc00, 0x10ad7c00, 0xf0affc00,
- 0xf0affc00, 0xe1bbbc04, 0x1ff77c47, _not_used_,
- _not_used_, _not_used_, _not_used_, _not_used_,
- _not_used_, _not_used_, _not_used_, _not_used_,
+ 0xf0affc00, 0xe1bbbc04, 0x1ff77c47, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* refresh. (offset 30 in upm RAM) */
0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04,
- 0xfffffc84, 0xfffffc07, _not_used_, _not_used_,
- _not_used_, _not_used_, _not_used_, _not_used_,
+ 0xfffffc84, 0xfffffc07, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/* exception. (offset 3c in upm RAM) */
- 0x7ffffc07, _not_used_, _not_used_, _not_used_ };
+ 0x7ffffc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
/* ------------------------------------------------------------------------- */
#else
#error SDRAM not correctly configured
#endif
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Memory Periodic Timer Prescaler
+ */
+
+#define SDRAM_OR4VALUE 0x00000a00 /* SAM,GL5A/S=01,addr mask or'ed on later */
+#define SDRAM_BR4VALUE 0x000000c1 /* UPMB,base addr or'ed on later */
+
+/* ------------------------------------------------------------------------- */
+#ifdef SDRAM_ALT_INIT_SEQENCE
+/* ------------------------------------------------------------------------- */
-int _initsdram(uint base, uint noMbytes)
+static int _initsdram(uint base, uint noMbytes)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
- if(noMbytes != 4)
- {
- return -1;
- }
-
upmconfig(UPMB, (uint *)sdram_table,sizeof(sdram_table)/sizeof(uint));
memctl->memc_mptpr = SDRAM_MPTPRVALUE;
@@ -529,7 +568,7 @@ int _initsdram(uint base, uint noMbytes)
* UPM registers after we ask it to run these commands.
*/
- memctl->memc_mbmr = SDRAM_MBMRVALUE0;
+ memctl->memc_mbmr = SDRAM_MBMRVALUE0; /* TLF 4 */
memctl->memc_mar = SDRAM_MARVALUE; /* MRS code */
udelay(200);
@@ -537,32 +576,120 @@ int _initsdram(uint base, uint noMbytes)
/* Now run the precharge/nop/mrs commands.
*/
- memctl->memc_mcr = 0x80808111; /* run pattern 0x11 */
-
+ memctl->memc_mcr = 0x80808111; /* run umpb cs4 1 count 1, addr 0x11 ??? (50Mhz) */
+ /* run umpb cs4 1 count 1, addr 0x11 precharge+MRS (100Mhz) */
udelay(200);
/* Run 8 refresh cycles */
- memctl->memc_mcr = SDRAM_MCRVALUE0;
+ memctl->memc_mcr = SDRAM_MCRVALUE0; /* run upmb cs4 loop 1 addr 0x5 precharge+MRS (50 Mhz)*/
+ /* run upmb cs4 loop 1 addr 0x11 precharge+MRS (100MHz) */
udelay(200);
- memctl->memc_mbmr = SDRAM_MBMRVALUE1;
- memctl->memc_mcr = SDRAM_MCRVALUE1;
+ memctl->memc_mbmr = SDRAM_MBMRVALUE1; /* TLF 4 (100 Mhz) or TLF 8 (50MHz) */
+ memctl->memc_mcr = SDRAM_MCRVALUE1; /* run upmb cs4 loop 1 addr 0x30 refr (50 Mhz) */
+ /* run upmb cs4 loop 1 addr 0x11 precharge+MRS ??? (100MHz) */
udelay(200);
- memctl->memc_mbmr = SDRAM_MBMRVALUE0;
+ memctl->memc_mbmr = SDRAM_MBMRVALUE0; /* TLF 4 */
- memctl->memc_or4 = SDRAM_OR4VALUE;
+ memctl->memc_or4 = SDRAM_OR4VALUE | ~((noMbytes<<20)-1);
memctl->memc_br4 = SDRAM_BR4VALUE | base;
return 0;
}
/* ------------------------------------------------------------------------- */
+#else /* !SDRAM_ALT_INIT_SEQUENCE */
+/* ------------------------------------------------------------------------- */
+
+/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
+# define MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
+# define MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
+
+/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
+# define MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
+# define MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
+
+/*
+ * MxMR settings for SDRAM
+ */
+
+/* 8 column SDRAM */
+# define SDRAM_MxMR_8COL ((SDRAM_MxMR_PTx << MBMR_PTB_SHIFT) | MBMR_PTBE | \
+ MBMR_AMB_TYPE_0 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A11 | \
+ MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X)
+/* 9 column SDRAM */
+# define SDRAM_MxMR_9COL ((SDRAM_MxMR_PTx << MBMR_PTB_SHIFT) | MBMR_PTAE | \
+ MBMR_AMB_TYPE_1 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A10 | \
+ MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X)
+
+static int _initsdram(uint base, uint noMbytes)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+ upmconfig(UPMB, (uint *)sdram_table,sizeof(sdram_table)/sizeof(uint));
+
+ memctl->memc_mptpr = MPTPR_2BK_4K;
+ memctl->memc_mbmr = SDRAM_MxMR_8COL & (~(MBMR_PTBE)); /* no refresh yet */
+
+ /* map CS 4 */
+ memctl->memc_or4 = SDRAM_OR4VALUE | ~((noMbytes<<20)-1);
+ memctl->memc_br4 = SDRAM_BR4VALUE | base;
+
+ /* Perform SDRAM initilization */
+# ifdef UPM_NOP_ADDR /* not currently in UPM table */
+ /* step 1: nop */
+ memctl->memc_mar = 0x00000000;
+ memctl->memc_mcr = MCR_UPM_B | MCR_OP_RUN | MCR_MB_CS4 |
+ MCR_MLCF(0) | UPM_NOP_ADDR;
+# endif
+
+ /* step 2: delay */
+ udelay(200);
+
+# ifdef UPM_PRECHARGE_ADDR /* merged with MRS in UPM table */
+ /* step 3: precharge */
+ memctl->memc_mar = 0x00000000;
+ memctl->memc_mcr = MCR_UPM_B | MCR_OP_RUN | MCR_MB_CS4 |
+ MCR_MLCF(4) | UPM_PRECHARGE_ADDR;
+# endif
+
+ /* step 4: refresh */
+ memctl->memc_mar = 0x00000000;
+ memctl->memc_mcr = MCR_UPM_B | MCR_OP_RUN | MCR_MB_CS4 |
+ MCR_MLCF(2) | UPM_REFRESH_ADDR;
+
+ /*
+ * note: for some reason, the UPM values we are using include
+ * precharge with MRS
+ */
+
+ /* step 5: mrs */
+ memctl->memc_mar = 0x00000088;
+ memctl->memc_mcr = MCR_UPM_B | MCR_OP_RUN | MCR_MB_CS4 |
+ MCR_MLCF(1) | UPM_MRS_ADDR;
+
+# ifdef UPM_NOP_ADDR
+ memctl->memc_mar = 0x00000000;
+ memctl->memc_mcr = MCR_UPM_B | MCR_OP_RUN | MCR_MB_CS4 |
+ MCR_MLCF(0) | UPM_NOP_ADDR;
+# endif
+ /*
+ * Enable refresh
+ */
+
+ memctl->memc_mbmr |= MBMR_PTBE;
+ return 0;
+}
+#endif /* !SDRAM_ALT_INIT_SEQUENCE */
+
+/* ------------------------------------------------------------------------- */
-void _sdramdisable(void)
+static void _sdramdisable(void)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
@@ -574,17 +701,16 @@ void _sdramdisable(void)
/* ------------------------------------------------------------------------- */
-int initsdram(uint base, uint *noMbytes)
+static int initsdram(uint base, uint *noMbytes)
{
- uint m = 4;
+ uint m = CFG_SDRAM_SIZE>>20;
+ /* _initsdram needs access to sdram */
*((uint *)BCSR1) |= BCSR1_SDRAM_EN; /* enable sdram */
- /* _fads_sdraminit needs access to sdram */
- *noMbytes = m;
if(!_initsdram(base, m))
{
-
+ *noMbytes += m;
return 0;
}
else
@@ -597,101 +723,85 @@ int initsdram(uint base, uint *noMbytes)
}
}
+/* SDRAM SUPPORT (FADS ONLY) */
+#endif /* CONFIG_FADS */
+
long int initdram (int board_type)
{
-#ifdef CONFIG_ADS
- /* ADS: has no SDRAM, so start DRAM at 0 */
- uint base = (unsigned long)0x0;
-#else
- /* FADS: has 4MB SDRAM, put DRAM above it */
- uint base = (unsigned long)0x00400000;
-#endif
- uint k, m, s;
+ uint sdramsz = 0; /* size of sdram in Mbytes */
+ uint base = 0; /* base of dram in bytes */
+ uint m = 0; /* size of dram in Mbytes */
+ uint k, s;
- k = (*((uint *)BCSR2) >> 23) & 0x0f;
+#ifdef CONFIG_FADS
+ if (!initsdram (0x00000000, &sdramsz)) {
+ base = sdramsz << 20;
+ printf ("(%u MB SDRAM) ", sdramsz);
+ }
+#endif
- m = 0;
+ k = (*((uint *) BCSR2) >> 23) & 0x0f;
- switch(k & 0x3)
- {
+ switch (k & 0x3) {
/* "MCM36100 / MT8D132X" */
- case 0x00 :
- m = 4;
- break;
+ case 0x00:
+ m = 4;
+ break;
/* "MCM36800 / MT16D832X" */
- case 0x01 :
- m = 32;
- break;
+ case 0x01:
+ m = 32;
+ break;
/* "MCM36400 / MT8D432X" */
- case 0x02 :
- m = 16;
- break;
+ case 0x02:
+ m = 16;
+ break;
/* "MCM36200 / MT16D832X ?" */
- case 0x03 :
- m = 8;
- break;
+ case 0x03:
+ m = 8;
+ break;
}
- switch(k >> 2)
- {
- case 0x02 :
- k = 70;
- break;
+ switch (k >> 2) {
+ case 0x02:
+ k = 70;
+ break;
- case 0x03 :
- k = 60;
- break;
+ case 0x03:
+ k = 60;
+ break;
- default :
- printf("unknown dramdelay (0x%x) - defaulting to 70 ns", k);
- k = 70;
+ default:
+ printf ("unknown dramdelay (0x%x) - defaulting to 70 ns", k);
+ k = 70;
}
#ifdef CONFIG_FADS
/* the FADS is missing this bit, all rams treated as non-edo */
s = 0;
#else
- s = (*((uint *)BCSR2) >> 27) & 0x01;
+ s = (*((uint *) BCSR2) >> 27) & 0x01;
#endif
- if(!_draminit(base, m, s, k))
- {
-#ifdef CONFIG_FADS
- uint sdramsz;
-#endif
- *((uint *)BCSR1) &= ~BCSR1_DRAM_EN; /* enable dram */
-
-#ifdef CONFIG_FADS
- if (!initsdram(0x00000000, &sdramsz)) {
- m += sdramsz;
- printf("(%u MB SDRAM) ", sdramsz);
- } else {
- _dramdisable();
-
- /********************************
- *DRAM ERROR, HALT PROCESSOR
- *********************************/
- while(1);
-
- return -1;
- }
-#endif
-
- return (m << 20);
+ if (!_draminit (base, m, s, k)) {
+ printf ("%dM %dns %sDRAM: ", m, k, s ? "EDO " : "");
+ } else {
+ _dramdisable ();
+ m = 0;
}
- else
- {
- _dramdisable();
+ m += sdramsz; /* add sdram size to total */
+
+ if (!m) {
/********************************
*DRAM ERROR, HALT PROCESSOR
*********************************/
- while(1);
-
+ while (1);
return -1;
}
+
+ return (m << 20);
}
/* ------------------------------------------------------------------------- */
@@ -744,8 +854,7 @@ int pcmcia_init(void)
slota = (pcmp->pcmc_pipr & 0x18000000) == 0 ;
slotb = (pcmp->pcmc_pipr & 0x00001800) == 0 ;
- if (!(slota || slotb))
- {
+ if (!(slota || slotb)) {
printf("No card present\n");
#ifdef PCMCIA_SLOT_A
pcmp->pcmc_pgcra = 0;
@@ -766,61 +875,61 @@ int pcmcia_init(void)
** my FADS... :-)
*/
-#if defined(CONFIG_MPC860)
- switch( (pcmp->pcmc_pipr >> 30) & 3 )
+#if defined(CONFIG_MPC86x)
+ switch ((pcmp->pcmc_pipr >> 30) & 3)
#elif defined(CONFIG_MPC823) || defined(CONFIG_MPC850)
- switch( (pcmp->pcmc_pipr >> 14) & 3 )
+ switch ((pcmp->pcmc_pipr >> 14) & 3)
#endif
{
- case 0x00 :
- printf("5V");
- v = 5;
- break;
- case 0x01 :
- printf("5V and 3V");
+ case 0x00 :
+ printf("5V");
+ v = 5;
+ break;
+ case 0x01 :
+ printf("5V and 3V");
#ifdef CONFIG_FADS
- v = 3; /* User lower voltage if supported! */
+ v = 3; /* User lower voltage if supported! */
#else
- v = 5;
+ v = 5;
#endif
- break;
- case 0x03 :
- printf("5V, 3V and x.xV");
+ break;
+ case 0x03 :
+ printf("5V, 3V and x.xV");
#ifdef CONFIG_FADS
- v = 3; /* User lower voltage if supported! */
+ v = 3; /* User lower voltage if supported! */
#else
- v = 5;
+ v = 5;
#endif
- break;
+ break;
}
- switch(v){
+ switch (v) {
#ifdef CONFIG_FADS
case 3:
- printf("; using 3V");
- /*
- ** Enable 3 volt Vcc.
- */
- *((uint *)BCSR1) &= ~BCSR1_PCCVCC1;
- *((uint *)BCSR1) |= BCSR1_PCCVCC0;
- break;
+ printf("; using 3V");
+ /*
+ ** Enable 3 volt Vcc.
+ */
+ *((uint *)BCSR1) &= ~BCSR1_PCCVCC1;
+ *((uint *)BCSR1) |= BCSR1_PCCVCC0;
+ break;
#endif
case 5:
- printf("; using 5V");
+ printf("; using 5V");
#ifdef CONFIG_ADS
- /*
- ** Enable 5 volt Vcc.
- */
- *((uint *)BCSR1) &= ~BCSR1_PCCVCCON;
+ /*
+ ** Enable 5 volt Vcc.
+ */
+ *((uint *)BCSR1) &= ~BCSR1_PCCVCCON;
#endif
#ifdef CONFIG_FADS
- /*
- ** Enable 5 volt Vcc.
- */
- *((uint *)BCSR1) &= ~BCSR1_PCCVCC0;
- *((uint *)BCSR1) |= BCSR1_PCCVCC1;
+ /*
+ ** Enable 5 volt Vcc.
+ */
+ *((uint *)BCSR1) &= ~BCSR1_PCCVCC0;
+ *((uint *)BCSR1) |= BCSR1_PCCVCC1;
#endif
- break;
+ break;
default:
*((uint *)BCSR1) |= BCSR1_PCCEN; /* disable pcmcia */
@@ -833,9 +942,9 @@ int pcmcia_init(void)
udelay(20);
-#ifdef MPC860
+#ifdef PCMCIA_SLOT_A
pcmp->pcmc_pgcra = 0;
-#elif MPC823
+#elif PCMCIA_SLOT_B
pcmp->pcmc_pgcrb = 0;
#endif
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 10:04:13 +0000