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
|
