blob/src ledasm.S,1.1.2.3,1.1.2.4 start.S,1.1.1.1.2.8,1.1.1.1.2.9

[Erik M. <er...@us...>]

Update of /cvsroot/blob/blob/src
In directory usw-pr-cvs1:/tmp/cvs-serv11810

Modified Files:
      Tag: blob_1_0_9_hack
	ledasm.S start.S 
Log Message:
minor changes to make porting blob easier


Index: ledasm.S
===================================================================
RCS file: /cvsroot/blob/blob/src/Attic/ledasm.S,v
retrieving revision 1.1.2.3
retrieving revision 1.1.2.4
diff -u -r1.1.2.3 -r1.1.2.4
--- ledasm.S	2001/07/16 23:19:40	1.1.2.3
+++ ledasm.S	2001/07/17 14:18:38	1.1.2.4
@@ -38,18 +38,14 @@
 .text
 
 #if defined ASSABET
-LED:		.long 0x00200000
-#elif defined CLART
-LED:		.long 0x00800000
-#elif defined LART
-LED:		.long 0x00800000
-#elif defined NESA
-LED:		.long 0x00800000
+LED:		.long 0x00020000	/* GPIO 17 */
+#elif (defined CLART) || (defined LART) || (defined NESA)
+LED:		.long 0x00800000	/* GPIO 23 */
 #elif defined PLEB
-LED:		.long 0x00010000
+LED:		.long 0x00010000	/* GPIO 16 */
 #else
-LED:		.long 0x00000000
 #warning "FIXME: Include code to turn on one of the LEDs on your board"
+LED:		.long 0x00000000	/* safe mode: no GPIO, so no LED */
 #endif
 
 

Index: start.S
===================================================================
RCS file: /cvsroot/blob/blob/src/start.S,v
retrieving revision 1.1.1.1.2.8
retrieving revision 1.1.1.1.2.9
diff -u -r1.1.1.1.2.8 -r1.1.1.1.2.9
--- start.S	2001/07/16 23:21:56	1.1.1.1.2.8
+++ start.S	2001/07/17 14:18:38	1.1.1.1.2.9
@@ -75,10 +75,14 @@
 /* The initial CPU speed. Note that the SA11x0 CPUs can be safely overclocked:
  * 190 MHz CPUs are able to run at 221 MHz, 133 MHz CPUs can do 206 Mhz.
  */
-#if defined SHANNON
+#if (defined ASSABET) || (defined CLART) || (defined LART) \
+	|| (defined NESA) || (defined NESA)
+cpuspeed:	.long	0x0b	/* 221 MHz */
+#elif defined SHANNON
 cpuspeed:	.long	0xa0	/* 206 MHz */
 #else
-cpuspeed:	.long	0x0b	/* 221 MHz */
+#warning "FIXME: Include code to use the correct clock speed for your board"
+cpuspeed:	.long	0x05	/* safe 133 MHz speed */
 #endif
 
 
@@ -140,7 +144,7 @@
 	bne	mem_test_loop
 
 	/* the first megabyte is OK, so let's copy ourself to it */
-	mov	r0, #0x400
+	mov	r0, #0x400		/* skip first 1024 bytes */
 	ldr	r1, MEM_START
 	mov	r2, #(128 * 1024)	/* blob is 128kB */
 
@@ -150,14 +154,12 @@
 	cmp	r0, r2
 	ble	copy_loop
 
-
 	/* set up the stack pointer */
-	ldr	r1, MEM_START
-	add	r1, r1, #(1024 * 1024)
+	ldr	r0, MEM_START
+	add	r1, r0, #(1024 * 1024)
 	sub	sp, r1, #0x04
 
 	/* blob is copied to ram, so jump to it */
-	ldr	r0, MEM_START
 	mov	pc, r0