Board:asus/a8v-e se: Difference between revisions

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(Just some hacktext ACPI)
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ACPI routing information in _PRT methods. You may add those _PRT methods later.
ACPI routing information in _PRT methods. You may add those _PRT methods later.


Very generic DSDT table would look like in similar way how it is ASUS A8V-E
Very generic DSDT table would look like in similar way how it is ASUS A8V-E (dsdt.asl).


<pre>
<pre>
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Please note that the 0x10, 0x11 are called GSI (global system interrupt). All your interrupts routed through first APIC will start with 0x00, second APIC will perhaps start at IRQ24 etc etc...
Please note that the 0x10, 0x11 are called GSI (global system interrupt). All your interrupts routed through first APIC will start with 0x00, second APIC will perhaps start at IRQ24 etc etc...
This example has no support for legacy PIC routing. For PIC routing you would need  to alter rest of the fields in the _PRT package and also crete PIRQA-PIRQD special devices.


Rest of the file contains just some legacy devices to make certain OS instatallers happy.
Don't forget to install iasl compiler and also adjust the LinuxBIOS buildsystem to build binary DSDT
for you.


=== Other tables ===


        /* Root of the bus hierarchy */
Rest of the ACPI tables is located at acpi_tables.c. I will describe briefly all methods:
        Scope (\_SB)
        {
                /* top PCI device */
                Device (PCI0)
                {
                        Name (_HID, EisaId ("PNP0A03"))
                        Name (_ADR, 0x00)
                        Name (_UID, 0x00)
                        Name (_BBN, 0x00)
 
</pre>


==== acpi_fill_mcfg ====


If your platform supports MMCONFIG (memory mapped PCI configuration registers) just modify the
function with correct base address.


==== acpi_fill_madt ====


1. Create MADT table
This describes the ACPI IRQ information, as well as IRQ override. The gsi_base used in the code
is base for second APIC. Provide APIC bases and IDs. Usually there are two IRQ overrides. IRQ0 override means that IRQ0 is not connected to pin 0 on APIC but to another, most likely IRQ2. Second IRQ override is for ACPI IRQ. This overrides the 'level' of the interrupt to 'active low'.  The rest of the table fills

Revision as of 23:08, 5 December 2007

Status

Device/functionality Status Comments
CPU
CPU works OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK I'm using an AMD Opteron 175 Dual Core Processor, both cores do work, Opteron 144 worked too.
L1 cache enabled OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
L2 cache enabled OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
L3 cache enabled OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Multiple CPU support OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Multi-core support OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Hardware virtualization OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
RAM
EDO OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
SDRAM OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
SO-DIMM OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
DDR OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK Works with patches I posted to the list.
DDR2 OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
DDR3 OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Dual channel support OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK According to memtest86+ it works.
ECC support OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
On-board Hardware
On-board IDE 3.5" OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
On-board IDE 2.5" OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board SATA OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
On-board SCSI OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
On-board USB OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK Tested: USB thumb drive.
On-board VGA OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board Ethernet OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
On-board Audio OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
On-board Modem OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board FireWire OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
On-board Smartcard reader OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board CompactFlash OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
On-board PCMCIA OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
On-board Wifi OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board Bluetooth OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
On-board SD card reader OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Add-on slots/cards
ISA add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Audio/Modem-Riser (AMR/CNR) cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
PCI add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
Mini-PCI add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Mini-PCI-Express add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
PCI-X add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
AGP graphics cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
PCI Express x1 add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
PCI Express x2 add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
PCI Express x4 add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
PCI Express x8 add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
PCI Express x16 add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK Graphics card works.
PCI Express x32 add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
HTX add-on cards OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Legacy / Super I/O
Floppy OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Untested
Serial port 1 (COM1) OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
Serial port 2 (COM2) OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Parallel port OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Untested Doing modprobe parport parport_pc works, but no further tests were done.
PS/2 keyboard OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
PS/2 mouse OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
Game port OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Infrared OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
PC speaker OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
DiskOnChip OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Input
Trackpoint OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Touchpad OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Fn Hotkeys OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Fingerprint Reader OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Laptop
Docking VGA OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Docking LAN OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Docking USB OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Docking Audio OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Docking Displayport OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Thinklight OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Webcam OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
Miscellaneous
Sensors / fan control OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
Hardware watchdog OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
SMBus OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
CAN bus OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | N/A
CPU frequency scaling OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK All you need is to patch the DSDT table with your CPU performance state settings.
Other powersaving features OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
ACPI OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK ACPI power button event works.
Reboot OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
Poweroff OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
Suspend OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Nonstandard LEDs OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown TODO: Are there special-purpose LEDs on this board?
High precision event timers (HPET) OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK
Random number generator (RNG) OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Wake on modem ring OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Wake on LAN OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Wake on keyboard OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Wake on mouse OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
TPM OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | Unknown
Flashrom OK=lime | TODO=red | No=red | WIP=orange | Untested=yellow | N/A=lightgray | yellow }}" | OK

ACPI setup HOWTO

Please have a look to files in the src/mainboard/asus/a8v-e_se. Check also the [ http://acpi.info ] which contains the specification.

Setup hardware

Setup the PMIO base address to some known address, and setup the desired ACPI IRQ (usually IRQ9). Sometimes it is called SCI interrupt.

Fill FADT

Now you will need to create an ACPI table which describes the I/O port location for kernel ACPI implementation. This is the FACP table. You will need to create the fadt.c file and fill in the IO port values plus IRQ: 

fadt->sci_int = 9;
fadt->pm1a_evt_blk = VT8237R_ACPI_IO_BASE;
fadt->pm1b_evt_blk = 0x0;
fadt->pm1a_cnt_blk = VT8237R_ACPI_IO_BASE + 0x4;
fadt->pm1b_cnt_blk = 0x0;
fadt->pm2_cnt_blk = 0x0;
fadt->pm_tmr_blk = VT8237R_ACPI_IO_BASE + 0x8;
fadt->gpe0_blk = VT8237R_ACPI_IO_BASE + 0x20;
fadt->gpe1_blk = 0x0;

In this example the ACPI IRQ is 9, and the PM1A event block start at VT8237R_ACPI_IO_BASE. You may obtain some values from cat /proc/ioport if running with proprietary BIOS. Not all blocks are necessary usually only PM1A PMTMR and GPE0 are used. Please note that this table has the IO port information stored twice using different formats. Please consult the ACPI specification for details, mostly could be used what are the defaults in the fadt.c

Fill DSDT

The DSDT table contains a bytecode that is executed by driver in the kernel. This table stores also ACPI routing information in _PRT methods. You may add those _PRT methods later.

Very generic DSDT table would look like in similar way how it is ASUS A8V-E (dsdt.asl). 

        Scope (\_PR)
        {
                Processor (\_PR.CPU0, 0x00, 0x000000, 0x00) {}
                Processor (\_PR.CPU1, 0x01, 0x000000, 0x00) {}
        }

This is here for compatibility. More interresting is: 


        /* For now only define 2 power states:
         *  - S0 which is fully on
         *  - S5 which is soft off
         * any others would involve declaring the wake up methods
         */
        Name (\_S0, Package () {0x00, 0x00, 0x00, 0x00 })
        Name (\_S5, Package () {0x02, 0x02, 0x00, 0x00 })

This defines the SLP_TYP fields in PM1A register. In my case I need to store 010 to perform soft off. And 000 to wakeup. Modify it to fit your chipset needs. Rest of the files is quite generic, except the _PRT methods which define the routing. 

     Package (0x04) { 0x000BFFFF, 0x00, 0x00, 0x10 }, //slot 0xB
     Package (0x04) { 0x000BFFFF, 0x01, 0x00, 0x11 },
     Package (0x04) { 0x000BFFFF, 0x02, 0x00, 0x12 },
     Package (0x04) { 0x000BFFFF, 0x03, 0x00, 0x13 },

This defines the slot 0xB (all functions FFFF) routing as follows : 

INTA -> IRQ16
INTB -> IRQ17
INTC -> IRQ18
INTD -> IRQ19

You may also just state just one state/function: 

Package (0x04) { 0x000F0001, 0x00, 0x00, 0x14 }, //0xf NAtive IDE IRQ 20

This means 0:0f.1 INTA is routed to IRQ20.

Please note that the 0x10, 0x11 are called GSI (global system interrupt). All your interrupts routed through first APIC will start with 0x00, second APIC will perhaps start at IRQ24 etc etc... This example has no support for legacy PIC routing. For PIC routing you would need to alter rest of the fields in the _PRT package and also crete PIRQA-PIRQD special devices.

Rest of the file contains just some legacy devices to make certain OS instatallers happy. Don't forget to install iasl compiler and also adjust the LinuxBIOS buildsystem to build binary DSDT for you.

Other tables

Rest of the ACPI tables is located at acpi_tables.c. I will describe briefly all methods:

acpi_fill_mcfg

If your platform supports MMCONFIG (memory mapped PCI configuration registers) just modify the function with correct base address.

acpi_fill_madt

This describes the ACPI IRQ information, as well as IRQ override. The gsi_base used in the code is base for second APIC. Provide APIC bases and IDs. Usually there are two IRQ overrides. IRQ0 override means that IRQ0 is not connected to pin 0 on APIC but to another, most likely IRQ2. Second IRQ override is for ACPI IRQ. This overrides the 'level' of the interrupt to 'active low'. The rest of the table fills

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