Continued serial headaches

Continued serial headaches

[Alan Bennett]

[-- Attachment #1: Type: text/plain, Size: 2085 bytes --]

Well, now that I've got IRQs requestable, I'm back to battling SCC1 / SCC4
initialization,

I've verified the iop structures, and things look set-up correctly.
    /* SCC1 */
    {2, 14, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
    {2, 15, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
    {3, 29, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
    {3, 30, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
    {3, 31, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
    /* SCC4 */
    {3, 21, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
    {3, 22, CPM_PIN_INPUT | CPM_PIN_PRIMARY},

I've also verified that upon first use (echo "test" > /dev/ttyCPM[12] the
brgs are configured)

SCC1
  cpm_uart_startup:417
  CPM uart[1]:startup on IRQ: 40 - request returned 0
  cpm_uart_startup:432 CPM uart[1] is scc
  CPM uart[1]:set_termios
  cpm_setbrg [cpm2_common.c:106] e00119f0:00010140
  CPM uart[1]:shutdown
SCC4
  cpm_uart_startup:417
  CPM uart[2]:startup on IRQ: 43 - request returned 0
  cpm_uart_startup:432 CPM uart[2] is scc
  CPM uart[2]:set_termios
  cpm_setbrg [cpm2_common.c:106] e00119fc:00010140
  CPM uart[2]:shutdown
  CPM uart[2]:initbd

However, SCC1 continues to get locked.

Am I missing something in the PRAM areas?
SMC1 (ttyCPM0...)
  e0008000 : 00c000e0 30300020 00000000 eefe3e7a
  e0008010 : 00c07331 11b6b05f 30440000 07f4d082
  e0008020 : 00e00003 746562ec d98ceffd 0dec67e3
  e0008030 : df7b2db5 5f0bf2dc 00205ce8 00010000
  e0008040 : 00000000 0000fc9d 00000000 d08a0000
  e0008050 : 80008000 80008000 80008000 80008000
SCC1
  e0008000 : 00c000e0 30300020 00000000 eefe3e7a
  e0008010 : 00c07331 11b6b05f 30440000 07f4d082
  e0008020 : 00e00003 746562ec d98ceffd 0dec67e3
  e0008030 : df7b2db5 5f0bf2dc 00205ce8 00010000
  e0008040 : 00000000 0000fc9d 00000000 d08a0000
  e0008050 : 80008000 80008000 80008000 80008000
SCC4
  e0008300 : 01000120 30300020 30401000 07f4e001
  e0008310 : 0100001f 993fb24d 30004000 07f4e0a2
  e0008320 : 01300000 0d0a8379 fedddfdc 94a967eb
  e0008330 : 5d2b06bd 4708b3ce 0020001f 00010000
  e0008340 : 00000000 00002804 00000000 e8a60000
  e0008350 : 80008000 80008000 80008000 80008000



-Alan

[-- Attachment #2: Type: text/html, Size: 2611 bytes --]

Re: Continued serial headaches

[Scott Wood]

Alan Bennett wrote:
> Am I missing something in the PRAM areas?
> SMC1 (ttyCPM0...)
>   e0008000 : 00c000e0 30300020 00000000 eefe3e7a
>   e0008010 : 00c07331 11b6b05f 30440000 07f4d082
>   e0008020 : 00e00003 746562ec d98ceffd 0dec67e3
>   e0008030 : df7b2db5 5f0bf2dc 00205ce8 00010000
>   e0008040 : 00000000 0000fc9d 00000000 d08a0000
>   e0008050 : 80008000 80008000 80008000 80008000
> SCC1
>   e0008000 : 00c000e0 30300020 00000000 eefe3e7a
>   e0008010 : 00c07331 11b6b05f 30440000 07f4d082
>   e0008020 : 00e00003 746562ec d98ceffd 0dec67e3
>   e0008030 : df7b2db5 5f0bf2dc 00205ce8 00010000
>   e0008040 : 00000000 0000fc9d 00000000 d08a0000
>   e0008050 : 80008000 80008000 80008000 80008000

I'm fairly sure you don't want SMC1 and SCC1 to have the same PRAM areas...

Assuming that was just a typo, I don't know what could be wrong.  You'll 
just have to debug it. :-)

-Scott