Messages in this thread Patch in this message | | | From | Prakash Punnoor <> | Subject | Re: x86-64 with nvidia MCP51 chipset: kernel does not find HPET | Date | Wed, 15 Nov 2006 21:55:17 +0100 |
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Am Montag 30 Oktober 2006 20:00 schrieb Lee Revell: > On Mon, 2006-10-30 at 11:07 -0600, Langsdorf, Mark wrote: > > > I have a 6 month old x86-64 machine with nvidia MCP51 chipset on which > > > the kernel does not detect the HPET. According to HPET maintainer > > > Clemens Ladisch, this machine certainly has one, but it cannot be > > > enabled for lack of hardware documentation. > > > > > > Is there anything I can do to help debug this? > > [...] > But, with some help from anonymous sources, I have been able to find the > HPET and make it work using a userspace driver that pokes registers by > mmap'ing /dev/mem. So we just need a way to tell the kernel it's there. > Presumably this would require a PCI quirk. > > Is this likely to be worth the trouble?
The new bios 0504 for my Asus M2NPV-VM has an bios option to enable HPET. Now Linux finds it (sorry for kmail line mangling):
diff -u 0405.txt 0504.txt --- 0405.txt 2006-11-15 21:38:40.000000000 +0100 +++ 0504.txt 2006-11-15 21:48:27.000000000 +0100 @@ -8,19 +8,20 @@ BIOS-e820: 000000007bef0000 - 000000007bef3000 (ACPI NVS) BIOS-e820: 000000007bef3000 - 000000007bf00000 (ACPI data) BIOS-e820: 000000007c000000 - 0000000080000000 (reserved) - BIOS-e820: 00000000f0000000 - 00000000f4000000 (reserved) + BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved) BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved) Entering add_active_range(0, 0, 159) 0 entries of 256 used Entering add_active_range(0, 256, 507632) 1 entries of 256 used end_pfn_map = 1048576 -DMI 2.3 present. -ACPI: RSDP (v000 Nvidia ) @ 0x00000000000f75e0 -ACPI: RSDT (v001 Nvidia AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x000000007bef3040 -ACPI: FADT (v001 Nvidia AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x000000007bef30c0 -ACPI: SSDT (v001 PTLTD POWERNOW 0x00000001 LTP 0x00000001) @ 0x000000007befb280 -ACPI: MCFG (v001 Nvidia AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x000000007befb4c0 -ACPI: MADT (v001 Nvidia AWRDACPI 0x42302e31 AWRD 0x00000000) @ 0x000000007befb1c0 -ACPI: DSDT (v001 NVIDIA AWRDACPI 0x00001000 MSFT 0x0100000e) @ 0x0000000000000000 +DMI 2.4 present. +ACPI: RSDP (v002 Nvidia ) @ 0x00000000000f7560 +ACPI: XSDT (v001 Nvidia ASUSACPI 0x42302e31 AWRD 0x00000000) @ 0x000000007bef30c0 +ACPI: FADT (v003 Nvidia ASUSACPI 0x42302e31 AWRD 0x00000000) @ 0x000000007befb3c0 +ACPI: SSDT (v001 PTLTD POWERNOW 0x00000001 LTP 0x00000001) @ 0x000000007befb5c0 +ACPI: HPET (v001 Nvidia ASUSACPI 0x42302e31 AWRD 0x00000098) @ 0x000000007befb800 +ACPI: MCFG (v001 Nvidia ASUSACPI 0x42302e31 AWRD 0x00000000) @ 0x000000007befb880 +ACPI: MADT (v001 Nvidia ASUSACPI 0x42302e31 AWRD 0x00000000) @ 0x000000007befb500 +ACPI: DSDT (v001 NVIDIA ASUSACPI 0x00001000 MSFT 0x0100000e) @ 0x0000000000000000 Entering add_active_range(0, 0, 159) 0 entries of 256 used Entering add_active_range(0, 256, 507632) 1 entries of 256 used Zone PFN ranges: @@ -57,11 +58,12 @@ ACPI: IRQ14 used by override. ACPI: IRQ15 used by override. Setting APIC routing to flat +ACPI: HPET id: 0x10de8201 base: 0xfefff000 Using ACPI (MADT) for SMP configuration information Nosave address range: 000000000009f000 - 00000000000a0000 Nosave address range: 00000000000a0000 - 00000000000f0000 Nosave address range: 00000000000f0000 - 0000000000100000 -Allocating PCI resources starting at 88000000 (gap: 80000000:70000000) +Allocating PCI resources starting at 88000000 (gap: 80000000:60000000) PERCPU: Allocating 32128 bytes of per cpu data Built 1 zonelists. Total pages: 499166 Kernel command line: root=/dev/sda5 init=/sbin/initng enable_8254_timer lapic @@ -70,8 +72,8 @@ Console: colour VGA+ 80x25 Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes) Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes) -Memory: 1993004k/2030528k available (3612k kernel code, 36784k reserved, 1435k data, 236k init) -Calibrating delay using timer specific routine.. 4010.44 BogoMIPS (lpj=2005221) +Memory: 1993004k/2030528k available (3612k kernel code, 36788k reserved, 1435k data, 236k init) +Calibrating delay using timer specific routine.. 4012.35 BogoMIPS (lpj=2006178) Mount-cache hash table entries: 256 CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) CPU: L2 Cache: 512K (64 bytes/line) @@ -80,11 +82,11 @@ Freeing SMP alternatives: 28k freed ACPI: Core revision 20060707 Using local APIC timer interrupts. -result 12526481 -Detected 12.526 MHz APIC timer. +result 12528046 +Detected 12.528 MHz APIC timer. Booting processor 1/2 APIC 0x1 Initializing CPU#1 -Calibrating delay using timer specific routine.. 4007.76 BogoMIPS (lpj=2003881) +Calibrating delay using timer specific routine.. 4008.33 BogoMIPS (lpj=2004167) CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) CPU: L2 Cache: 512K (64 bytes/line) CPU: Physical Processor ID: 0 @@ -94,13 +96,12 @@ CPU 1: synchronized TSC with CPU 0 (last diff 0 cycles, maxerr 507 cycles) Brought up 2 CPUs testing NMI watchdog ... OK. -Disabling vsyscall due to use of PM timer -time.c: Using 3.579545 MHz WALL PM GTOD PM timer. -time.c: Detected 2004.237 MHz processor. -migration_cost=215 +time.c: Using 25.000000 MHz WALL HPET GTOD HPET timer. +time.c: Detected 2004.485 MHz processor. +migration_cost=193 NET: Registered protocol family 16 ACPI: bus type pci registered -PCI: Using MMCONFIG at f0000000 +PCI: Using MMCONFIG at e0000000 PCI: No mmconfig possible on device 00:18 ACPI: Interpreter enabled ACPI: Using IOAPIC for interrupt routing @@ -153,13 +154,15 @@ ACPI: PCI Interrupt Link [APSJ] (IRQs 20 21 22 23) *0, disabled. Linux Plug and Play Support v0.97 (c) Adam Belay pnp: PnP ACPI init -pnp: PnP ACPI: found 16 devices +pnp: PnP ACPI: found 17 devices SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb PCI: Using ACPI for IRQ routing PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report +hpet0: at MMIO 0xfefff000, IRQs 2, 8, 31 +hpet0: 3 32-bit timers, 25000000 Hz pnp: 00:01: ioport range 0x4000-0x407f could not be reserved pnp: 00:01: ioport range 0x4080-0x40ff has been reserved pnp: 00:01: ioport range 0x4400-0x447f has been reserved @@ -228,13 +231,14 @@ ACPI: Thermal Zone [THRM] (40 C) lp: driver loaded but no devices found Real Time Clock Driver v1.12ac +hpet_resources: 0xfefff000 is busy Non-volatile memory driver v1.2 Software Watchdog Timer: 0.07 initialized. soft_noboot=0 soft_margin=60 sec (nowayout= 0) Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A -00:07: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A -00:08: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A +00:08: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A +00:09: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A parport: PnPBIOS parport detected. parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE,EPP] lp0: using parport0 (interrupt-driven). -- (°= =°) //\ Prakash Punnoor /\\ V_/ \_V [unhandled content-type:application/pgp-signature] | |