ppc4xx: Problems running POST on PPC405GPr board
Hi
I am trying to add POST for my PPC405GPr based boards and I am running into a few problems:
a) the post/cpu/ppc4xx/uart.c assumed 4 UARTS. I would rather try only as much UARTs as defined by the CPUs. Would a patch like the attached one be considered a good solution for this problem?
b) looking at the log I get
<4>POST cache FAILED
<4>POST i2c PASSED
<4>POST cpu PASSED
<4>POST ethernet PASSED
<4>POST spr The value of PIR special register is incorrect: 0x0000005F <4>The value of IVOR0 special register is incorrect: 0x2000005F <4>The value of IVOR1 special register is incorrect: 0x2000005F <4>The value of IVOR2 special register is incorrect: 0x2000005F <4>The value of IVOR3 special register is incorrect: 0x2000005F <4>The value of IVOR4 special register is incorrect: 0x2000005F <4>The value of IVOR5 special register is incorrect: 0x2000005F <4>The value of IVOR6 special register is incorrect: 0x2000005F <4>The value of IVOR7 special register is incorrect: 0x2000005F <4>The value of IVOR8 special register is incorrect: 0x2000005F <4>The value of IVOR10 special register is incorrect: 0x2000005F <4>The value of IVOR13 special register is incorrect: 0x2000005F <4>The value of IVOR14 special register is incorrect: 0x2000005F <4>The value of IVOR15 special register is incorrect: 0x2000005F <4>The value of DVLIM special register is incorrect: 0x2000005F <4>The value of IVLIM special register is incorrect: 0x2000005F <4>FAILED
What would be the correct #if to exclude the IVOR<x> part in post/cpu/ppc4xx/spr.c, as it make no sense to test these non existant registers on a PPC405 processor?
Has anybody a suggestion how to fill in a good value for for the PIR (Processor Identification Register)?
c) I will investigate the exact cause for the POST cache FAILED.
Best regards
Niklaus
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Dear Niklaus,
Quoted 7 lines · in message <[email protected]> you wrote:
I am trying to add POST for my PPC405GPr based boards and I am running into a few problems:
a) the
post/cpu/ppc4xx/uart.cassumed 4 UARTS. I would rather try only as much UARTs as defined by the CPUs. Would a patch like the attached one be considered a good solution for this problem?
Nope, that's too ugly.
Quoted 1 line
b) looking at the log I get
...
Quoted 3 lines
What would be the correct #if to exclude the IVOR<x> part in
post/cpu/ppc4xx/spr.c, as it make no sense to test these non existant registers on a PPC405 processor?
Maybe the test should be skipped on processors that don't have it - how about testing the PVR?
Best regards,
Wolfgang Denk
Signature · 5 lines
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de In theory, there is no difference between theory and practice. In practice, however, there is.
Hi Niklaus,
Quoted 6 lines · Niklaus Giger
I am trying to add POST for my PPC405GPr based boards and I am running into a few problems:
a) the
post/cpu/ppc4xx/uart.cassumed 4 UARTS. I would rather try only as much UARTs as defined by the CPUs. Would a patch like the attached one be considered a good solution for this problem?
It's not a good solution, since you can't select for example to only test UART0 and UART2.
Quoted 23 lines
b) looking at the log I get
<4>POST cache FAILED
<4>POST i2c PASSED
<4>POST cpu PASSED
<4>POST ethernet PASSED
<4>POST spr The value of PIR special register is incorrect:0x0000005F<4>The value of IVOR0 special register is incorrect:0x2000005F<4>The value of IVOR1 special register is incorrect:0x2000005F<4>The value of IVOR2 special register is incorrect:0x2000005F<4>The value of IVOR3 special register is incorrect:0x2000005F<4>The value of IVOR4 special register is incorrect:0x2000005F<4>The value of IVOR5 special register is incorrect:0x2000005F<4>The value of IVOR6 special register is incorrect:0x2000005F<4>The value of IVOR7 special register is incorrect:0x2000005F<4>The value of IVOR8 special register is incorrect:0x2000005F<4>The value of IVOR10 special register is incorrect:0x2000005F<4>The value of IVOR13 special register is incorrect:0x2000005F<4>The value of IVOR14 special register is incorrect:0x2000005F<4>The value of IVOR15 special register is incorrect:0x2000005F<4>The value of DVLIM special register is incorrect:0x2000005F<4>The value of IVLIM special register is incorrect:0x2000005F<4>FAILED
Quoted 3 lines
What would be the correct #if to exclude the IVOR<x> part in
post/cpu/ppc4xx/spr.c, as it make no sense to test these non existant registers on a PPC405 processor?
#if defined(CONFIG_440)
Quoted 4 lines
Has anybody a suggestion how to fill in a good value for for the PIR (Processor Identification Register)?
c) I will investigate the exact cause for the POST cache FAILED.
Please take a look at the zeus port. This is a quite new port for 405EP with some POST support.
Best regards,
Stefan
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DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: office at denx.de
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