Re: [LinuxBIOS] New guy in LinuxBios

[yhlu]

you need to update the entry in mptable.c for your eth0. try to read
the schematic to figure out how the io apic is conntected.

YH

On 8/1/06, Vincente Tsou  wrote:
> Hi,
>
> My target board is similar to Tyan s2882, I base on s2882's code to fit my
> target board.
>
> My target board also got an onboard Intel 10/100 NIC, and I assign the irq
> like s2882 done.
>         printk_debug("setting Onboard Intel NIC\n");
>         static const unsigned char slotIrqs_8111_1_8[4] = { 9, 0, 0, 0 };
>         pci_assign_irqs(bus_8111_1, 4, slotIrqs_8111_1_8);
>         write_pirq_info(pirq_info, bus_8111_1,(4<<3)|0, 0x1, 0xdef8, 0, 0,
> 0, 0, 0, 0, 0, 0);
>         pirq_info++; slot_num++;
>
> It can works fine on unique processor platform, but when I boot into smp
> kernel it's interrupts is not going.
>
> [root@iSCSI h412]# cat /proc/interrupts
>            CPU0       CPU1
>   0:    1235644    1223971    IO-APIC-edge  timer
>   1:          0          8    IO-APIC-edge  i8042
>   2:          0          0          XT-PIC  cascade
>   3:          5          3    IO-APIC-edge  serial
>   4:       1209       1984    IO-APIC-edge  serial
>   8:          0          1    IO-APIC-edge  rtc
>  12:          0         66    IO-APIC-edge  i8042
>  14:       3144        759    IO-APIC-edge  ide0
> 137:          0          0   IO-APIC-level  eth0     <-- It not works.
> 145:          0          0   IO-APIC-level  ohci_hcd, ohci_hcd
> 193:      10622          1   IO-APIC-level  eth2
> NMI:          0          0
> LOC:    2459674    2459668
> ERR:          0
> MIS:          0
>
> Is it possible cause by IO-APIC ??
>
> The other question, my VGA still has snow screen when linuxbios booting,
>
> even I moved the CPU init before other pci device init call.
> But after I login the system, it will become clear.
> following is part of my log....
>
> --- part of linuxbios boot message --
>
> Initializing devices...
> Root Device init
> APIC_CLUSTER: 0 init
> Initializing CPU #0
> CPU: vendor AMD device f5a
> Enabling cache
>
> Setting fixed MTRRs(0-88) type: UC
> Setting fixed MTRRs(0-16) Type: WB, RdMEM, WrMEM
> Setting fixed MTRRs(24-88) Type: WB, RdMEM, WrMEM
> DONE fixed MTRRs
> Setting variable MTRR 0, base:    0MB, range:  512MB, type WB
> DONE variable MTRRs
> Clear out the extra MTRR's
>
> MTRR check
> Fixed MTRRs   : Enabled
> Variable MTRRs: Enabled
>
> microcode: equivalent processor rev id  = 0x004a, patch id = 0x00000000
> microcode: patch id that want to apply= 0x00000047
> microcode: updated to patch id = 0x00000047  success
>
> Setting up local apic... apic_id: 0 done.
> Clearing memory 2048K - 262144K: --- done
> CPU #0 Initialized
> Initializing CPU #1
> Waiting for 1 CPUS to stop
> CPU: vendor AMD device f5a
> Enabling cache
>
> Setting fixed MTRRs(0-88) type: UC
> Setting fixed MTRRs(0-16) Type: WB, RdMEM, WrMEM
> Setting fixed MTRRs(24-88) Type: WB, RdMEM, WrMEM
> DONE fixed MTRRs
> Setting variable MTRR 0, base:    0MB, range:  512MB, type WB
> DONE variable MTRRs
> Clear out the extra MTRR's
>
> MTRR check
> Fixed MTRRs   : Enabled
> Variable MTRRs: Enabled
>
> microcode: equivalent processor rev id  = 0x004a, patch id = 0x00000000
> microcode: patch id that want to apply= 0x00000047
> microcode: updated to patch id = 0x00000047  success
>
> Setting up local apic... apic_id: 1 done.
> Clearing memory 262144K - 524288K: ---- done
> CPU #1 Initialized
> All AP CPUs stopped
> PCI: 00:18.0 init
> PCI: 01:02.0 init
> PCI: 03:04.0 init
> PCI: 03:04.1 init
> PCI: 01:03.0 init
> PCI: 04:04.0 init
>
> PCI: 04:02.0 init
> rom address for PCI: 04:02.0 = fff80000
> copying VGA ROM Image from 0xfff80000 to 0xc0000, 0x9000 bytes
> entering emulator
> halt_sys: file
> /home/vincente/LinuxBIOSv2/src/devices/emulator/x86emu/ops.c,
> line 4387
>
> --- end of linuxbios boot message ---