From: Ryan Bradetich <rbradetich@uswest.net>
To: phi <phi@hpfrcu81.france.hp.com>
Cc: Grant Grundler <grundler@dsl2.external.hp.com>,
parisc-linux@lists.parisc-linux.org
Subject: Re: [parisc-linux] boot (micro) hang
Date: 09 Oct 2002 08:05:29 -0600 [thread overview]
Message-ID: <1034172329.31713.16.camel@beavis> (raw)
In-Reply-To: <3DA424C6.58F6806C@hpfrcu81.france.hp.com>
*sigh*
This is due to a change I made to detect devices on the E class systems.
Before we encountered the E Class systems, the devices were always at
the bottom of the range, but E Class put them at the top. The function
will break out once a device is found ... it appears that your system
also has the devices towards the top of the io range.
post the contents of /proc/iomem and I can verify this for sure. We
need to come up with a better way for discovering these devices.
btw, what model system is this?
Thanks,
- Ryan
P.S. the reason it worked before is because it only walked the first
0 - 63 devices with in that range. Not it walks the entire range
until it finds a device.
On Wed, 2002-10-09 at 06:44, phi wrote:
> Grant Grundler wrote:
> > The long delay happens during device discovery.
> > You could enable EARLY_BOOTUP_DEBUG in arch/parisc/kernel/pdc_cons.c
> > and add some printk's to the loop in system_map_inventory().
> >
> > Only two pieces of code really get executed during that time.
> > One is the PDC calls - verify your firmware is the latest and if it
> > isn't, please update. The other might be GSC buswalk code. I thought
> > the bus's under U2 are walked to detect devices not listed by PDC.
> > But I don't know exactly when that occurs in the boot sequence.
> >
> > grant
>
> My Firmware is
>
> Firmware Version 5.2
> Duplex Console IO Dependent Code (IODC) revision 1
> Boot IO Dependent Code (IODC) revision 153
>
>
> Dunno if this is good enuff. At least it works for old kernel.
>
>
> ==================================================================
>
> printk() into walk_native_bus() as follow shos this.
>
> static void walk_native_bus(unsigned long io_io_low, unsigned long io_io_high,
> struct parisc_device *parent)
> {
> int i, devices_found = 0;
> unsigned long hpa = io_io_low;
> struct hardware_path path;
>
> printk("1.1 low=0x%08x high=0x%08x\n",io_io_low,io_io_high);
> get_node_path(parent, &path);
> do {
> printk("1.2 i=%d hpa=0x%08x\n",0,hpa);
> for (i = 0; i < MAX_NATIVE_DEVICES; i++, hpa +=
> NATIVE_DEVICE_OF
> FSET) {
> struct parisc_device *dev;
>
> /* Was the device already added by Firmware? */
> dev = find_device_by_addr(hpa);
> if (!dev) {
> path.mod = i;
> printk("1.3 i=%d hpa=0x%08x\n",i,hpa);
> dev = alloc_pa_dev(hpa, &path);
> if (!dev)
> continue;
>
> printk("1.4\n");
> register_parisc_device(dev);
> devices_found++;
> }
> walk_lower_bus(dev);
> }
> } while (!devices_found && hpa < io_io_high);
> }
>
> 1.1 low=0xfff80000 high=0xfffc0000
> 1.2 i=0 hpa=0xfff80000
> 1.3 i=0 hpa=0xfff80000
> 1.3 i=1 hpa=0xfff81000
> 1.3 i=2 hpa=0xfff82000
> 1.3 i=3 hpa=0xfff83000
> 1.3 i=4 hpa=0xfff84000
> 1.3 i=5 hpa=0xfff85000
> 1.3 i=6 hpa=0xfff86000
> 1.3 i=7 hpa=0xfff87000
> 1.3 i=8 hpa=0xfff88000
> 1.4
> 1.1 low=0xf2000000 high=0xf4000000
> 1.2 i=0 hpa=0xf2000000
> 1.3 i=1 hpa=0xf2001000
> 1.4
> 1.3 i=2 hpa=0xf2002000
> 1.3 i=3 hpa=0xf2003000
> 1.4
> 1.3 i=4 hpa=0xf2004000
> 1.3 i=5 hpa=0xf2005000
> 1.3 i=6 hpa=0xf2006000
> 1.3 i=7 hpa=0xf2007000
> 1.3 i=8 hpa=0xf2008000
> 1.3 i=9 hpa=0xf2009000
> 1.3 i=10 hpa=0xf200a000
> 1.3 i=11 hpa=0xf200b000
> 1.3 i=13 hpa=0xf200d000
> 1.3 i=14 hpa=0xf200e000
> 1.3 i=15 hpa=0xf200f000
> 1.3 i=16 hpa=0xf2010000
> 1.3 i=17 hpa=0xf2011000
> 1.3 i=18 hpa=0xf2012000
> 1.3 i=19 hpa=0xf2013000
> 1.3 i=20 hpa=0xf2014000
> 1.3 i=21 hpa=0xf2015000
> 1.3 i=22 hpa=0xf2016000
> 1.3 i=23 hpa=0xf2017000
> 1.3 i=24 hpa=0xf2018000
> 1.3 i=25 hpa=0xf2019000
> 1.3 i=26 hpa=0xf201a000
> 1.3 i=27 hpa=0xf201b000
> 1.3 i=28 hpa=0xf201c000
> 1.3 i=29 hpa=0xf201d000
> 1.3 i=30 hpa=0xf201e000
> 1.3 i=31 hpa=0xf201f000
> 1.3 i=32 hpa=0xf2020000
> 1.3 i=33 hpa=0xf2021000
> 1.3 i=34 hpa=0xf2022000
> 1.3 i=35 hpa=0xf2023000
> 1.3 i=36 hpa=0xf2024000
> 1.3 i=37 hpa=0xf2025000
> 1.3 i=38 hpa=0xf2026000
> 1.3 i=39 hpa=0xf2027000
> 1.3 i=40 hpa=0xf2028000
> 1.3 i=41 hpa=0xf2029000
> 1.3 i=42 hpa=0xf202a000
> 1.3 i=43 hpa=0xf202b000
> 1.3 i=44 hpa=0xf202c000
> 1.3 i=45 hpa=0xf202d000
> 1.3 i=46 hpa=0xf202e000
> 1.3 i=47 hpa=0xf202f000
> 1.3 i=48 hpa=0xf2030000
> 1.3 i=49 hpa=0xf2031000
> 1.3 i=50 hpa=0xf2032000
> 1.3 i=51 hpa=0xf2033000
> 1.3 i=52 hpa=0xf2034000
> 1.3 i=53 hpa=0xf2035000
> 1.3 i=54 hpa=0xf2036000
> 1.3 i=55 hpa=0xf2037000
> 1.3 i=56 hpa=0xf2038000
> 1.3 i=57 hpa=0xf2039000
> 1.3 i=58 hpa=0xf203a000
> 1.3 i=59 hpa=0xf203b000
> 1.3 i=60 hpa=0xf203c000
> 1.3 i=61 hpa=0xf203d000
> 1.3 i=62 hpa=0xf203e000
> 1.3 i=9 hpa=0xfff89000
> 1.3 i=10 hpa=0xfff8a000
> 1.4
> 1.1 low=0xf1000000 high=0xf2000000
> 1.2 i=0 hpa=0xf1000000
> 1.3 i=0 hpa=0xf1000000
> 1.3 i=1 hpa=0xf1001000
> 1.3 i=2 hpa=0xf1002000
> 1.3 i=3 hpa=0xf1003000
> 1.3 i=4 hpa=0xf1004000
> 1.3 i=5 hpa=0xf1005000
> 1.3 i=6 hpa=0xf1006000
> 1.3 i=7 hpa=0xf1007000
> 1.3 i=8 hpa=0xf1008000
> 1.3 i=9 hpa=0xf1009000
> 1.3 i=10 hpa=0xf100a000
> 1.3 i=11 hpa=0xf100b000
> 1.3 i=12 hpa=0xf100c000
> 1.3 i=13 hpa=0xf100d000
> 1.3 i=14 hpa=0xf100e000
> 1.3 i=15 hpa=0xf100f000
> 1.3 i=16 hpa=0xf1010000
> 1.3 i=17 hpa=0xf1011000
> 1.3 i=18 hpa=0xf1012000
> 1.3 i=19 hpa=0xf1013000
> 1.3 i=20 hpa=0xf1014000
> 1.3 i=21 hpa=0xf1015000
> 1.3 i=22 hpa=0xf1016000
> 1.3 i=23 hpa=0xf1017000
> 1.3 i=24 hpa=0xf1018000
> 1.3 i=25 hpa=0xf1019000
> 1.3 i=26 hpa=0xf101a000
> 1.3 i=27 hpa=0xf101b000
> 1.3 i=28 hpa=0xf101c000
> 1.3 i=29 hpa=0xf101d000
> 1.3 i=30 hpa=0xf101e000
> 1.3 i=31 hpa=0xf101f000
> 1.3 i=32 hpa=0xf1020000
> 1.3 i=33 hpa=0xf1021000
> 1.3 i=34 hpa=0xf1022000
> 1.3 i=35 hpa=0xf1023000
> 1.3 i=36 hpa=0xf1024000
> 1.3 i=37 hpa=0xf1025000
> 1.3 i=38 hpa=0xf1026000
> 1.3 i=39 hpa=0xf1027000
> 1.3 i=40 hpa=0xf1028000
> 1.3 i=41 hpa=0xf1029000
> 1.3 i=42 hpa=0xf102a000
> 1.3 i=43 hpa=0xf102b000
> 1.3 i=44 hpa=0xf102c000
> 1.3 i=45 hpa=0xf102d000
> 1.3 i=46 hpa=0xf102e000
> 1.3 i=47 hpa=0xf102f000
> 1.3 i=48 hpa=0xf1030000
> 1.3 i=49 hpa=0xf1031000
> 1.3 i=50 hpa=0xf1032000
> 1.3 i=51 hpa=0xf1033000
> 1.3 i=52 hpa=0xf1034000
> 1.3 i=53 hpa=0xf1035000
> 1.3 i=54 hpa=0xf1036000
> 1.3 i=55 hpa=0xf1037000
> 1.3 i=56 hpa=0xf1038000
> 1.3 i=57 hpa=0xf1039000
> 1.3 i=58 hpa=0xf103a000
> 1.3 i=59 hpa=0xf103b000
> 1.3 i=60 hpa=0xf103c000
> 1.3 i=61 hpa=0xf103d000
> 1.3 i=62 hpa=0xf103e000
> 1.2 i=0 hpa=0xf1040000
> 1.3 i=0 hpa=0xf1040000
> 1.3 i=1 hpa=0xf1041000
> 1.3 i=2 hpa=0xf1042000
> 1.3 i=3 hpa=0xf1043000
> 1.3 i=4 hpa=0xf1044000
> 1.3 i=5 hpa=0xf1045000
> 1.3 i=6 hpa=0xf1046000
> 1.3 i=7 hpa=0xf1047000
> 1.3 i=8 hpa=0xf1048000
> 1.3 i=9 hpa=0xf1049000
> 1.3 i=10 hpa=0xf104a000
> 1.3 i=11 hpa=0xf104b000
> 1.3 i=12 hpa=0xf104c000
> 1.3 i=13 hpa=0xf104d000
> 1.3 i=14 hpa=0xf104e000
> 1.3 i=15 hpa=0xf104f000
> 1.3 i=16 hpa=0xf1050000
> 1.3 i=17 hpa=0xf1051000
> 1.3 i=18 hpa=0xf1052000
> 1.3 i=19 hpa=0xf1053000
> 1.3 i=20 hpa=0xf1054000
> 1.3 i=21 hpa=0xf1055000
> 1.3 i=22 hpa=0xf1056000
> 1.3 i=23 hpa=0xf1057000
> 1.3 i=24 hpa=0xf1058000
> 1.3 i=25 hpa=0xf1059000
> 1.3 i=26 hpa=0xf105a000
> 1.3 i=27 hpa=0xf105b000
> 1.3 i=28 hpa=0xf105c000
> 1.3 i=29 hpa=0xf105d000
> 1.3 i=30 hpa=0xf105e000
> 1.3 i=31 hpa=0xf105f000
> 1.3 i=32 hpa=0xf1060000
> 1.3 i=33 hpa=0xf1061000
> 1.3 i=34 hpa=0xf1062000
> 1.3 i=35 hpa=0xf1063000
> 1.3 i=36 hpa=0xf1064000
> 1.3 i=37 hpa=0xf1065000
> 1.3 i=38 hpa=0xf1066000
> 1.3 i=39 hpa=0xf1067000
> 1.3 i=40 hpa=0xf1068000
> 1.3 i=41 hpa=0xf1069000
> 1.3 i=42 hpa=0xf106a000
> 1.3 i=43 hpa=0xf106b000
> 1.3 i=44 hpa=0xf106c000
> 1.3 i=45 hpa=0xf106d000
> 1.3 i=46 hpa=0xf106e000
> 1.3 i=47 hpa=0xf106f000
> 1.3 i=48 hpa=0xf1070000
> 1.3 i=49 hpa=0xf1071000
> 1.3 i=50 hpa=0xf1072000
> 1.3 i=51 hpa=0xf1073000
> 1.3 i=52 hpa=0xf1074000
> 1.3 i=53 hpa=0xf1075000
> 1.3 i=54 hpa=0xf1076000
> 1.3 i=55 hpa=0xf1077000
> 1.3 i=56 hpa=0xf1078000
> 1.3 i=57 hpa=0xf1079000
> 1.3 i=58 hpa=0xf107a000
> 1.3 i=59 hpa=0xf107b000
> 1.3 i=60 hpa=0xf107c000
> 1.3 i=61 hpa=0xf107d000
> 1.3 i=62 hpa=0xf107e000
> 1.3 i=63 hpa=0xf107f000
> 1.2 i=0 hpa=0xf1080000
> 1.3 i=0 hpa=0xf1080000
> 1.3 i=1 hpa=0xf1081000
> 1.3 i=2 hpa=0xf1082000
> 1.3 i=3 hpa=0xf1083000
> 1.3 i=4 hpa=0xf1084000
> 1.3 i=5 hpa=0xf1085000
> 1.3 i=6 hpa=0xf1086000
> 1.3 i=7 hpa=0xf1087000
> 1.3 i=8 hpa=0xf1088000
> 1.3 i=9 hpa=0xf1089000
> 1.3 i=10 hpa=0xf108a000
> 1.3 i=11 hpa=0xf108b000
> 1.3 i=12 hpa=0xf108c000
> 1.3 i=13 hpa=0xf108d000
> 1.3 i=14 hpa=0xf108e000
> 1.3 i=15 hpa=0xf108f000
> 1.3 i=16 hpa=0xf1090000
> 1.3 i=17 hpa=0xf1091000
> 1.3 i=18 hpa=0xf1092000
> 1.3 i=19 hpa=0xf1093000
> 1.3 i=20 hpa=0xf1094000
> 1.3 i=21 hpa=0xf1095000
> 1.3 i=22 hpa=0xf1096000
> 1.3 i=23 hpa=0xf1097000
> 1.3 i=24 hpa=0xf1098000
> 1.3 i=25 hpa=0xf1099000
> 1.3 i=26 hpa=0xf109a000
> 1.3 i=27 hpa=0xf109b000
> 1.3 i=28 hpa=0xf109c000
> 1.3 i=29 hpa=0xf109d000
> 1.3 i=30 hpa=0xf109e000
> 1.3 i=31 hpa=0xf109f000
> 1.3 i=32 hpa=0xf10a0000
> 1.3 i=33 hpa=0xf10a1000
> 1.3 i=34 hpa=0xf10a2000
> 1.3 i=35 hpa=0xf10a3000
> 1.3 i=36 hpa=0xf10a4000
> 1.3 i=37 hpa=0xf10a5000
> 1.3 i=38 hpa=0xf10a6000
> 1.3 i=39 hpa=0xf10a7000
> 1.3 i=40 hpa=0xf10a8000
> 1.3 i=41 hpa=0xf10a9000
> 1.3 i=42 hpa=0xf10aa000
> 1.3 i=43 hpa=0xf10ab000
> 1.3 i=44 hpa=0xf10ac000
> 1.3 i=45 hpa=0xf10ad000
> 1.3 i=46 hpa=0xf10ae000
> 1.3 i=47 hpa=0xf10af000
> 1.3 i=48 hpa=0xf10b0000
> 1.3 i=49 hpa=0xf10b1000
> 1.3 i=50 hpa=0xf10b2000
> 1.3 i=51 hpa=0xf10b3000
> 1.3 i=52 hpa=0xf10b4000
> 1.3 i=53 hpa=0xf10b5000
> 1.3 i=54 hpa=0xf10b6000
> 1.3 i=55 hpa=0xf10b7000
> 1.3 i=56 hpa=0xf10b8000
> 1.3 i=57 hpa=0xf10b9000
> 1.3 i=58 hpa=0xf10ba000
> 1.3 i=59 hpa=0xf10bb000
> 1.3 i=60 hpa=0xf10bc000
> 1.3 i=61 hpa=0xf10bd000
> 1.3 i=62 hpa=0xf10be000
> 1.3 i=63 hpa=0xf10bf000
> 1.2 i=0 hpa=0xf10c0000
>
>
> I am not knowledeable enough to tell if the range to walk on is valid or not,
> but it is way too much for my config.
>
> I wonder if this functin got the range correctly
> void walk_lower_bus(struct parisc_device *dev)
> {
> unsigned long io_io_low, io_io_high;
>
> if(!BUS_CONVERTER(dev) || IS_LOWER_PORT(dev))
> return;
>
> io_io_low = ((unsigned long)(signed int)READ_IO_IO_LOW(dev) +
> ~FLEX_MASK
> ) & FLEX_MASK;
> io_io_high = ((unsigned long)(signed int)READ_IO_IO_HIGH(dev) +
> ~FLEX_MA
> SK) & FLEX_MASK;
>
> walk_native_bus(io_io_low, io_io_high, dev);
> }
>
>
> For the time being I enforce
>
> io_io_high=io_io_low+(MAX_NATIVE_DEVICES*NATIVE_DEVICE_OFFSET);
>
> In the above function which as the effect of shortening the loop and boot ok.
> Dunno if this hack make sense, may be I would loose some devices, but I don't
> plan to add any anyway.
>
> Phi
>
>
> --
> mailto:Philippe_Benard@hp.com [ HPS-SE HP-UX kernel debugging tools ]
> _______________________________________________
> parisc-linux mailing list
> parisc-linux@lists.parisc-linux.org
> http://lists.parisc-linux.org/mailman/listinfo/parisc-linux
>
next prev parent reply other threads:[~2002-10-09 14:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-08 8:16 [parisc-linux] cvs does not terminate Tilo Riemer
2002-10-08 13:49 ` [parisc-linux] boot (micro) hang phi
2002-10-08 15:00 ` Randolph Chung
2002-10-08 17:01 ` Grant Grundler
2002-10-09 12:44 ` phi
2002-10-09 14:05 ` Ryan Bradetich [this message]
2002-10-09 14:20 ` phi
2002-10-09 17:57 ` Grant Grundler
2002-10-10 6:33 ` phi
2002-10-10 14:34 ` Derek Engelhaupt
-- strict thread matches above, loose matches on Subject: below --
2002-10-09 14:13 Neulinger, Nathan
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