Well, now that I've got IRQs requestable, I'm back to battling SCC1 / SCC4 initialization, <br><br>I've verified the iop structures, and things look set-up correctly. <br> /* SCC1 */ <br> {2, 14, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
<br> {2, 15, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, <br> {3, 29, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, <br> {3, 30, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},<br> {3, 31, CPM_PIN_INPUT | CPM_PIN_PRIMARY},<br> /* SCC4 */
<br> {3, 21, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},<br> {3, 22, CPM_PIN_INPUT | CPM_PIN_PRIMARY},<br><br> I've also verified that upon first use (echo "test" > /dev/ttyCPM[12] the brgs are configured)<br>
<br>SCC1<br> cpm_uart_startup:417<br> CPM uart[1]:startup on IRQ: 40 - request returned 0<br> cpm_uart_startup:432 CPM uart[1] is scc<br> CPM uart[1]:set_termios<br> cpm_setbrg [cpm2_common.c:106] e00119f0:00010140<br>
CPM uart[1]:shutdown<br>SCC4<br> cpm_uart_startup:417<br> CPM uart[2]:startup on IRQ: 43 - request returned 0<br> cpm_uart_startup:432 CPM uart[2] is scc<br> CPM uart[2]:set_termios<br> cpm_setbrg [cpm2_common.c:106] e00119fc:00010140
<br> CPM uart[2]:shutdown<br> CPM uart[2]:initbd<br><br>However, SCC1 continues to get locked. <br><br>Am I missing something in the PRAM areas?<br>SMC1 (ttyCPM0...)<br> e0008000 : 00c000e0 30300020 00000000 eefe3e7a<br>
e0008010 : 00c07331 11b6b05f 30440000 07f4d082<br> e0008020 : 00e00003 746562ec d98ceffd 0dec67e3<br> e0008030 : df7b2db5 5f0bf2dc 00205ce8 00010000<br> e0008040 : 00000000 0000fc9d 00000000 d08a0000<br> e0008050 : 80008000 80008000 80008000 80008000
<br>SCC1<br> e0008000 : 00c000e0 30300020 00000000 eefe3e7a<br> e0008010 : 00c07331 11b6b05f 30440000 07f4d082<br> e0008020 : 00e00003 746562ec d98ceffd 0dec67e3<br> e0008030 : df7b2db5 5f0bf2dc 00205ce8 00010000<br> e0008040 : 00000000 0000fc9d 00000000 d08a0000
<br> e0008050 : 80008000 80008000 80008000 80008000<br>SCC4<br> e0008300 : 01000120 30300020 30401000 07f4e001<br> e0008310 : 0100001f 993fb24d 30004000 07f4e0a2<br> e0008320 : 01300000 0d0a8379 fedddfdc 94a967eb<br> e0008330 : 5d2b06bd 4708b3ce 0020001f 00010000
<br> e0008340 : 00000000 00002804 00000000 e8a60000<br> e0008350 : 80008000 80008000 80008000 80008000<br><br><br><br>-Alan<br>