RE: [ECOS] RedBoot

["Anthony Massa" <amassa@san.rr.com>]

Here is the dump after applying the patch you sent.

RedBoot(tm) debug environment - built 11:31:22, Dec 27 2000
Platform: Motorola MBX (PowerPC 860)
Copyright (C) 2000, Red Hat, Inc.

RAM: 0x00000000-0x00400000
FLASH: 0xfe000000 - 0xfe080000, 8 blocks of 0x00010000 bytes each.
VP: 83A4, EP: 84A4, Code: 8
000083A4: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
000083B4: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
000083C4: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
000083D4: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
000083E4: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
000083F4: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
00008404: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
00008414: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
00008424: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
00008434: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
00008444: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
00008454: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
00008464: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
00008474: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
00008484: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
00008494: FFFF FFFF FFFF FFFF  FFFF FFFF FFFF FFFF   |................|
IP: 192.168.0.5, Default server: 192.168.0.3
RedBoot> Ethernet recv:
0x0000AA2C: FFFF FFFF FFFF 0060  975B 43B8 0064        |.......`.[C..d  |
0x0000AA3A: E0E0 03FF FF00 6000  0400 0000 00FF FFFF   |......`.........|
0x0000AA4A: FFFF FF04 5200 0000  0000 6097 5B43 B804   |....R.....`.[C..|
0x0000AA5A: 5200 0206 404D 4143  4849 4E45 3254 4F57   |R...@MACHINE2TOW|
0x0000AA6A: 4552 0000 0000 0000  0000 0000 0000 0000   |ER..............|
0x0000AA7A: 0000 0000 0000 0000  0000 0000 0000 0000   |................|
0x0000AA8A: 0000 0000 0000 0000  0000 6097 5B43 B8E8   |..........`.[C..|
0x0000AA9A: 8500 0100 EDBD 813C


>
>
> On 27-Dec-2000 Anthony Massa wrote:
> > That's odd since I can see the correct MAC address from the
> EPPCbug code.
>                                                               ^^^^^^^^^^^^
> But not from eCos/RedBoot, that's where the problem lies.
>
> >
> > I did build this redboot image.  What do I need to do - any
> help would be
> > great...
>
> Try this patch and let me know what the output is.  This will print some
> additional information at the point where the driver is trying to find the
> address information.
>
> Index: hal/powerpc/mbx/current/src/hal_aux.c
> ===================================================================
> RCS file: /home/cvs/ecc/ecc/hal/powerpc/mbx/current/src/hal_aux.c,v
> retrieving revision 1.11
> diff -u -5 -p -r1.11 hal_aux.c
> --- hal/powerpc/mbx/current/src/hal_aux.c       2000/06/15
> 14:31:01     1.11
> +++ hal/powerpc/mbx/current/src/hal_aux.c       2000/12/27 19:10:35
> @@ -281,10 +281,12 @@ _mbx_fetch_VPD(int code, unsigned char *
>      int i, len;
>
>      _mbx_init_i2c();  // Fetch the data if not already
>      vp = &_MBX_eeprom_data[0];
>      ep = &_MBX_eeprom_data[sizeof(_MBX_eeprom_data)];
> +    diag_printf("VP: %x, EP: %x, Code: %x\n", vp, ep, code);
> +    diag_dump_buf(vp, 256);
>      while (vp < ep) {
>          if (*vp == (unsigned char)code) {
>              // Found the desired item
>              len = (int)vp[1];
>              if (len > size) len = size;
>
> >
> >>
> >> The problem seems to be that the driver in RedBoot (eCos)
> can't get at the
> >> ESA for your board.  It is supposed to do this by accessing
> some NVRAM on
> >> the board and then digging it out of a data structure kept by
> EPPCbug.  If
> >> eCos can't find the address, it falls back to a hard coded one which is
> >>   0x08 0x00 0x3E 0x28 0x79 0xB8
> >>
> >> Did you build this RedBoot?  Can you?  If so, perhaps we can debug the
> >> NVRAM code and figure out why it works for me but not for you.
> >>
> >> On 23-Dec-2000 Anthony Massa wrote:
> >> > Gary - thanks for the offer, sorry I took this long to respond,
> >> but this is
> >> > the first chance at running something on my hardware
> platform.  I have
> >> > attached two different dumps.  The first one is with BOOTP
> enabled.  The
> >> > second is with a static IP address of 192.168.0.5.  I also did
> >> a "ping" from
> >> > my Windows NT workstation which received a reply from my MBX
> >> board.  That is
> >> > shown in the second dump as well.
> >> >
> >> > Any help you can give would be greatly appreciated.
> >> >
> >> > When I do a NIOT command under eppcbug I get the following
> information
> >> > Controller LUN: 20
> >> > Device LUN: 00
> >> > Address: FA200A00
> >> > P-Address: 192.168.0.5
> >> > H-Address: 08 00 3E 27 5A DC
> >> >
> >> > ============================
> >> > START OF FIRST DUMP - WITH BOOTP ENABLED
> >> >
> >> > RedBoot(tm) debug environment - built 09:50:42, Dec 17 2000
> >> > Platform: Motorola MBX (PowerPC 860)
> >> > Copyright (C) 2000, Red Hat, Inc.
> >> >
> >> > RAM: 0x00000000-0x00400000
> >> > FLASH: 0xfe000000 - 0xfe080000, 8 blocks of 0x00010000 bytes each.
> >> > Ethernet send:
> >> > 0x00004A44: FFFF FFFF FFFF 0800  3E28 79B8 0800
> >> |........>(y...  |
> >>                              ^^^^^^^^^^^^^^^
> >> This is the ESA, but not the correct one for your board.  This
> is why the
> >> BOOTP setup does not work.
> >>
>