(beginner) Kernel fail during local_irq_enable()
fabien
fabien.fb at gmail.com
Wed Nov 14 01:04:03 EST 2007
I respond to myself. Apparently ppcboot 1.1.5 pass binfo->bi_intfreq
in MHz (50 in my case),
so I need to pass in Hz in arch/ppc/syslib/m8xx_setup.c : fp =
(binfo->bi_intfreq * 1000000) / 16;
00127654: 30303020 20202066 7265713d 31383735 000 freq=1875
00127664: 30303030 30202044 65637265 6d656e74 00000 Decrement
00127674: 65722046 72657175 656e6379 203d2031 er Frequency = 1
00127684: 38373530 30303030 2f36300a 3c343e20 87500000/60.<4>
00127694: 4641425f 44454255 47204146 54455220 FAB_DEBUG AFTER
001276a4: 4541524c 595f424f 4f545f49 5251535f EARLY_BOOT_IRQS_
001276b4: 4f4e2829 20204641 425f4445 42554720 ON() FAB_DEBUG
=>
001276c4: 41465445 52204c4f 43414c5f 4952515f AFTER LOCAL_IRQ_
001276d4: 454e4142 4c452829 20436f6e 736f6c65 ENABLE() Console
001276e4: 3a20636f 6c6f7572 2064756d 6d792064 : colour dummy d
001276f4: 65766963 65203830 7832350a 3c343e44 evice 80x25.
...
2007/11/13, fabien <fabien.fb at gmail.com>:
> I work on a custom board based on MPC8xx.
>
> The bootloader on it is a ppcboot 1.1.5. I'm a beginner with Linux port
>
> and ppc.
> I'm trying to pass the board working with a 2.4.4 kernel to a 2.6.19 kernel
>
> from denx.
> The kernel hang when trying to enable interrupt in local_irq_enable()
>
> in init/main.c.
> Nothing happened after. Look at the printk log dumped from __log_buf
> adresse with md ppcboot command.
>
>
>
>
>
> PPCBoot 1.1.5 (May 3 2002 - 10:26:09)
>
>
>
> CPU: PPC860TZPnnE0 at 50 MHz: 4 kB I-Cache 4 kB D-Cache FEC present
>
> Board: FAST2100
> DRAM: (16 MB SDRAM) 16 MB
>
> FLASH: 4 MB
>
> In: serial
>
> Out: serial
>
> Err: serial
>
> Hit any key to stop autoboot: 0
>
> =>bdinfo
>
> memstart = 0x00000000
>
> memsize = 0x01000000
>
> flashstart = 0x02800000
>
> flashsize = 0x00400000
>
> flashoffset = 0x00020000
>
> sramstart = 0x00000000
>
> sramsize = 0x00000000
>
> immr_base = 0xFF000000
>
> bootflags = 0x00000001
>
> intfreq = 50 MHz
>
> busfreq = 50 MHz
>
> ethaddr = 00:60:4C:08:21:FF
>
> IP addr = 10.0.0.148
>
> baudrate = 9600 bps
>
> =>tftpboot 0x400000
>
> ARP broadcast 1
>
> TFTP from server 10.0.0.147; our IP address is 10.0.0.148
>
> Filename 'uImage'.
>
> Load address: 0x400000
>
> Loading: #################################################################
>
> #############################################
>
> done
>
> Bytes transferred = 561058 (88fa2 hex)
>
> =>bootm 0x400000
>
> ## Booting image at 00400000 ...
>
> Image Name: Linux-2.6.19.2
>
> Created: 2007-11-12 15:08:44 UTC
>
> Image Type: PowerPC Linux Kernel Image (gzip compressed)
>
> Data Size: 560994 Bytes = 547 kB = 0 MB
>
> Load Address: 00000000
>
> Entry Point: 00000000
>
> Verifying Checksum ... OK
>
> Uncompressing Kernel Image ... OK
>
>
>
> =>md 1273c4
>
> 001273c4: 3c353e4c 696e7578 20766572 73696f6e <5>Linux version
>
> 001273d4: 20322e36 2e31392e 32202866 61626965 2.6.19.2 (fabie
>
> 001273e4: 6e406c6f 63616c68 6f737429 20286763 n at localhost) (gc
>
> 001273f4: 63207665 7273696f 6e20342e 302e3020 c version 4.0.0
>
> 00127404: 2844454e 5820454c 444b2034 2e312034 (DENX ELDK 4.1 4
>
> 00127414: 2e302e30 29292023 3135204d 6f6e204e .0.0)) #15 Mon N
>
> 00127424: 6f762031 32203136 3a32323a 30382043 ov 12 16:22:08 C
>
> 00127434: 45542032 3030370a 3c373e45 6e746572 ET 2007.<7>Enter
>
> 00127444: 696e6720 6164645f 61637469 76655f72 ing add_active_r
>
> 00127454: 616e6765 28302c20 302c2034 30393629 ange(0, 0, 4096)
>
> 00127464: 20302065 6e747269 6573206f 66203235 0 entries of 25
>
> 00127474: 36207573 65640a3c 343e5a6f 6e652050 6 used.<4>Zone P
>
> 00127484: 464e2072 616e6765 733a0a3c 343e2020 FN ranges:.<4>
>
> 00127494: 444d4120 20202020 20202020 20202020 DMA
>
> 001274a4: 30202d3e 20202020 20343039 360a3c34 0 -> 4096.<4
>
> 001274b4: 3e20204e 6f726d61 6c202020 20202020 > Normal
>
> =>
>
> 001274c4: 34303936 202d3e20 20202020 34303936 4096 -> 4096
>
> 001274d4: 0a3c343e 6561726c 795f6e6f 64655f6d .<4>early_node_m
>
> 001274e4: 61705b31 5d206163 74697665 2050464e ap[1] active PFN
>
> 001274f4: 2072616e 6765730a 3c343e20 20202030 ranges.<4> 0
>
> 00127504: 3a202020 20202020 2030202d 3e202020 : 0 ->
>
> 00127514: 20203430 39360a3c 373e4f6e 206e6f64 4096.<7>On nod
>
> 00127524: 65203020 746f7461 6c706167 65733a20 e 0 totalpages:
>
> 00127534: 34303936 0a3c373e 2020444d 41207a6f 4096.<7> DMA zo
>
> 00127544: 6e653a20 33322070 61676573 20757365 ne: 32 pages use
>
> 00127554: 6420666f 72206d65 6d6d6170 0a3c373e d for memmap.<7>
>
> 00127564: 2020444d 41207a6f 6e653a20 30207061 DMA zone: 0 pa
>
> 00127574: 67657320 72657365 72766564 0a3c373e ges reserved.<7>
>
> 00127584: 2020444d 41207a6f 6e653a20 34303634 DMA zone: 4064
>
> 00127594: 20706167 65732c20 4c49464f 20626174 pages, LIFO bat
>
> 001275a4: 63683a30 0a3c373e 20204e6f 726d616c ch:0.<7> Normal
>
> 001275b4: 207a6f6e 653a2030 20706167 65732075 zone: 0 pages u
>
> =>
>
> 001275c4: 73656420 666f7220 6d656d6d 61700a3c sed for memmap.<
>
> 001275d4: 343e4275 696c7420 31207a6f 6e656c69 4>Built 1 zoneli
>
> 001275e4: 7374732e 2020546f 74616c20 70616765 sts. Total page
>
> 001275f4: 733a2034 3036340a 3c353e4b 65726e65 s: 4064.<5>Kerne
>
> 00127604: 6c20636f 6d6d616e 64206c69 6e653a20 l command line:
>
> 00127614: 0a3c343e 50494420 68617368 20746162 .<4>PID hash tab
>
> 00127624: 6c652065 6e747269 65733a20 36342028 le entries: 64 (
>
> 00127634: 6f726465 723a2036 2c203235 36206279 order: 6, 256 by
>
> 00127644: 74657329 0a3c343e 44656372 656d656e tes).<4>Decremen
>
> 00127654: 74657220 46726571 75656e63 79203d20 ter Frequency =
>
> 00127664: 3138302f 36300a3c 343e2046 41425f44 180/60.<4> FAB_D
>
> 00127674: 45425547 20414654 45522045 41524c59 EBUG AFTER EARLY
>
> 00127684: 5f424f4f 545f4952 51535f4f 4e282920 _BOOT_IRQS_ON()
>
> 00127694: 00000000 00000000 00000000 00000000 ................
>
> 001276a4: 00000000 00000000 00000000 00000000 ................
>
> 001276b4: 00000000 00000000 00000000 00000000 ...............
>
>
>
>
>
> Could someone give me some help about where to seek for isolate the problem ?
>
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