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2013-03-22FrontRunner/Toucan-AF: Use SPD read code from F14 wrapperJens Rottmann
Changes: - Get rid of the LiPPERT FrontRunner-AF and Toucan-AF mainboard specific code and use the platform generic function wrapper that was added in change http://review.coreboot.org/#/c/2497/ AMD f14: Add SPD read functions to wrapper code - Move DIMM addresses into devicetree.cb - Add the ASF init that used to be in the SPD read code into mainboard_enable() Notes: - The DIMM reads only happen in romstage, so the function is not available in ramstage. Point the read-SPD callback to a generic function in ramstage. Change-Id: I4ee5e1bc34f4caee20615c48248d4f7605c09377 Signed-off-by: Jens Rottmann <JRottmann@LiPPERTembedded.de> Reviewed-on: http://review.coreboot.org/2874 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2013-03-22x86: Unify arch/io.h and arch/romcc_io.hStefan Reinauer
Here's the great news: From now on you don't have to worry about hitting the right io.h include anymore. Just forget about romcc_io.h and use io.h instead. This cleanup has a number of advantages, like you don't have to guard device/ includes for SMM and pre RAM anymore. This allows to get rid of a number of ifdefs and will generally make the code more readable and understandable. Potentially in the future some of the code in the io.h __PRE_RAM__ path should move to device.h or other device/ includes instead, but that's another incremental change. Change-Id: I356f06110e2e355e9a5b4b08c132591f36fec7d9 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/2872 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-03-17Lippert Fam14 DSDT: Remove INI method from AZHD deviceMike Loptien
I am removing the _INI method from the AZHD device because it does not seem to do anything and causes errors in the FWTS[1] (Firmware Test Suite) test 'method'. The INI method performs device specific initialization and is run when OSPM loads a description table. It must only access OperationRegions that have been indicated as available by the _REG (Region) method. We do not have a _REG method and during my testing, I added a REG method but it did not seem to make a difference in the PCI register space. The bit fields defined as NSDI (Disable No Snoop), NSDO (Disable No Snoop Override), and NSEN (Enable No Snoop Request) do not ever get written from their default values. And writing to these bit fields does not seem to be necessary because I did not notice any change in audio functionality. In an effort to clean up as many FWTS errors as possible, I propose removing this method altogether. I have seen no change in operation (audio works with and without this method) and there does not seem to be any change in lspci or dmesg. FWTS information can be found here: [1]: https://wiki.ubuntu.com/Kernel/Reference/fwts This is the same change as made to Persimmon in Change-ID If8d86f: http://review.coreboot.org/#/c/2726/ Change-Id: Iff594d4a3493531561eb25d1cceeb97bcefde424 Signed-off-by: Mike Loptien <mike.loptien@se-eng.com> Reviewed-on: http://review.coreboot.org/2743 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-03-17Lippert Fam14 DSDT: Add secondary bus range to PCI0Mike Loptien
Adding the 'WordBusNumber' macro to the PCI0 CRES ResourceTemplate in the Persimmon DSDT. This sets up the bus number for the PCI0 device and the secondary bus number in the CRS method. This change came in response to a 'dmesg' error which states: '[FIRMWARE BUG]: ACPI: no secondary bus range in _CRS' By adding the 'WordBusNumber' macro, ACPI can set up a valid range for the PCIe downstream busses, thereby relieving the Linux kernel from "guessing" the valid range based off _BBN or assuming [0-0xFF]. The Linux kernel code that checks this bus range is in `drivers/acpi/pci_root.c`. PCI busses can have up to 256 secondary busses connected to them via a PCI-PCI bridge. However, these busses do not have to be sequentially numbered, so leaving out a section of the range (eg. allowing [0-0x7F]) will unnecessarily restrict the downstream busses. This is the same change as made to Persimmon with change-id I44f22: http://review.coreboot.org/#/c/2592/ Change-Id: Ie36b60973c6a5f9076bb55c8f451532711a2f8a8 Signed-off-by: Mike Loptien <mike.loptien@se-eng.com> Reviewed-on: http://review.coreboot.org/2737 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-03-17Lippert Fam14 DSDT: Add OSC methodMike Loptien
The _OSC method is used to tell the OS what capabilities it can take control over from the firmware. This method is described in chapter 6.2.9 of the ACPI spec v3.0. The method takes 4 inputs (UUID, Rev ID, Input Count, and Capabilities Buffer) and returns a Capabilites Buffer the same size as the input Buffer. This Buffer is generally 3 Dwords long consisting of an Errors Dword, a Supported Capabilities Dword, and a Control Dword. The OS will request control of certain capabilities and the firmware must grant or deny control of those features. We do not want to have control over anything so let the OS control as much as it can. The _OSC method is required for PCIe devices and dmesg checks for its existence and issues an error if it is not found. This is the same change made to Persimmon with Change-ID I149428: http://review.coreboot.org/#/c/2684/ Change-Id: Iaf7b8153cec4d730efbceae3e6957d2904b8fae4 Signed-off-by: Mike Loptien <mike.loptien@se-eng.com> Reviewed-on: http://review.coreboot.org/2740 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-03-08FrontRunner/Toucan-AF: lower SPI speed to 22 MHzJens Rottmann
The Hudson-E1's default SPI speed for normal i.e. non-fast reads is 66 MHz, but the SST 25VF032B datasheet allows max. 25. Lower the speed to 22 MHz, otherwise BIOS flashing fails. Change-Id: I22e87d833a3ebd316b6e873595a2480831533ab1 Signed-off-by: Jens Rottmann <JRottmann@LiPPERTembedded.de> Reviewed-on: http://review.coreboot.org/2605 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2013-03-04FrontRunner/Toucan-AF: drop unnecessary compile time CPU model selectionJens Rottmann
The first reason for selecting the CPU model at compile time was a multi-second pause if booting a single core Fusion T40R with MAX_CPUS=2. Recent tests show the pause has disappeared, someone must have fixed it. The second reason was me not knowing how to make a single vgabios image work with two different PCI IDs. Many thanks to Martin Roth for educating me! Quote: "The way to make coreboot use the same vbios for different video device IDs is through the map_oprom_vendev function. In family 14 it's in northbridge/amd/agesa/family14/amdfam14_conf.c You would name your video bios 1002,9802 in the config and all the other device/vendor IDs for the family 14h processors will fall through the initial check for the video bios and will get remapped to use that vbios. This only works if you're initializing the vbios inside coreboot. I don't know if you're using SeaBios as a payload, but if you are you can add the vbios to cbfs as vgaroms/vbios.rom and the rom will always be initialized." I'd like to add the vgabios is added as type 'optionrom' when Coreboot make adds it, however to work with SeaBios it has to be added manually with cbfstool and with type 'raw', or it will hang. Change-Id: I8190d0c3202a60dfccb77dde232f9ba7ce5ce318 Signed-off-by: Jens Rottmann <JRottmann@LiPPERTembedded.de> Reviewed-on: http://review.coreboot.org/2584 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-03-03AMD Persimmon, LiPPERT Fam14: Fix typo code*c* in commentPaul Menzel
Commit f154c018 Author: Marc Jones <marcj303@gmail.com> Date: Wed Dec 14 11:24:00 2011 -0700 Persimmon audio codec verb patch. Reviewed-on: http://review.coreboot.org/490 has a typo code*c* in the comments for `AZALIA_OEM_VERB_TABLE`. As this was copied over to the LiPPERT Fam14 boards, use the following command to fix the typo. $ git grep -l cocec | xargs sed -i s,cocec,codec, Change-Id: I1525b0445edab81ab136b3adece52b78ba7abc71 Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-on: http://review.coreboot.org/2576 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martin.roth@se-eng.com>
2013-03-02FrontRunner/Toucan-AF: work around AGESA RAM init crashing on rebootJens Rottmann
If you try to reset the system with outb(3,0x92), outb(4,0xcf9) or a triple-fault it will instead crash with a messy screen. As the more common outb(0xFE, 0x64) doesn't work with our setup, Linux will crash whenever you ask it to reboot. Closer inspection shows that on a warm boot of Coreboot agesawrapper_amdinitpost() always fails with error code 7. Looks like DDR3 re-init goes wrong somehow. I tried find the reason for this but was unable to. I am convinced this is not board specific but a bug in AGESA. In the end I had to settle for a workaround: if amdinitpost returns 7 this patch resets the system harder with outb(0x06, 0x0cf9), after that RAM init will succeed. As amdinitpost is early in POST this automatic reset is quick enough not to be noticable. I'd perfer a real fix, but that's all I have. Change-Id: I4763254b489f42a135232e45328ecf0d5c4d961a Signed-off-by: Jens Rottmann <JRottmann@LiPPERTembedded.de> Reviewed-on: http://review.coreboot.org/2573 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-03-02LiPPERT Toucan-AF [2/2]: actually implement mainboard supportJens Rottmann
Step 2: change the Persimmon code to adapt it to the new board's hardware. The Toucan-AF is a COM Express Compact Type 6 form factor embedded board: - AMD Fusion G-T56N (1.65 GHz dual core) or T40R (1 GHz single core) APU - 1-4 GB DDR3 memory down - 1x VGA, 2x DisplayPort (1 switchable to LVDS) - AMD A55E (Hudson-E1) southbridge - 8x USB 2.0 - 4x SATA - HD Audio (with codec on baseboard) - NEC uPD78F0532 microcontroller on I2C ("SEMA") - 7x PCIe2.0 x1 (1 on PEG) - Intel I210 GbE (on APU PCIe x1, can be disabled for additional PCIe) - 2x SST 25VF032B (SO8, soldered) 4 MB SPI flash (BIOS and failsafe BIOS) The Toucan-AF has no SIO on board. This patch includes basic support for a Winbond W83627DHG (PS/2, 2x RS232), because the ADLINK ExpressBase-6 used for evaluation happens to have one. The code may have to be adapted to the actual baseboard of the application. http://www.adlinktech.com/PD/web/PD_detail.php?pid=1132 Change-Id: I9041b905bad45852ac9b402fcbd5decbc98b377b Signed-off-by: Jens Rottmann <JRottmann@LiPPERTembedded.de> Reviewed-on: http://review.coreboot.org/2572 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-03-02LiPPERT Toucan-AF [1/2]: create board by forking AMD PersimmonJens Rottmann
Step 1: copy all files unmodified from Persimmon. This makes it much easier later to see how the two boards actually and deliberately differ when porting bugfixes from one to the other. Git's copy detection is imperfect (and slow). Change-Id: I1ff02913479c07679f8c3ae5e6dd7876e6000b55 Signed-off-by: Jens Rottmann <JRottmann@LiPPERTembedded.de> Reviewed-on: http://review.coreboot.org/2571 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>