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2015-04-18dm: test: Allow 'dm test' to select a particular test to runSimon Glass
As well as running all tests, it is useful to be able to run a selected test. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: sandbox: Enable USBSimon Glass
Enable USB emulation and associated features so that USB can be used in sandbox. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: Tidy up pipe value decodingSimon Glass
Add a few more shifts/masks to make it easier to decode a pipe value (rather than just building it). We need this for USB device emulation. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: Add a generic descriptor structSimon Glass
This is useful for creating lists of descriptors, and is better than using void * for this purpose. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: exynos: Enable both USB ports on snowSimon Glass
Switch snow over to use both EHCI and XHCI at the same time. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: sandbox: Add an emulator for USB hub emulationSimon Glass
All USB controllers need a root hub. Add a sandbox emulation for this so that we can add USB devices to sandbox. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: sandbox: Add an emulator for USB flash devicesSimon Glass
This emulator supports USB enumeration and allows a local file to be provided as the contents of the emulated flash stick. U-Boot can then use the file as it would a normal device, with all access passing through the usb_stor layer and the USB stack. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: sandbox: Add a uclass for USB device emulationSimon Glass
With sandbox we want to be able to emulate USB devices so that we can test the USB stack. Add a uclass to support this. It implements the same operations as a normal USB device driver, but in this case passes them on to an emulation driver. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: Move struct usb_string to a common placeSimon Glass
This is needed for sandbox USB device emulation, so move it to a place where it can be found by things other than gadgets. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: Bind generic USB devices when there is no driverSimon Glass
At present USB devices with no driver model driver cannot be seen in the device list, and we fail to set them up correctly. This means they cannot be used. While having real drivers that support driver model for all USB devices is the eventual goal, we are not there yet. As a stop-gap, add a generic USB driver which is bound when we do not have a real driver. This allows the device to be set up and shown on the bus. It also allows ad-hoc code (such as usb_ether) to find these devices and set them up. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: Allow USB drivers to be declared and auto-probedSimon Glass
USB devices in U-Boot are currently probed only after all devices have been enumerated. Each type of device is probed by custom code, e.g.: - USB storage - Keyboard - Ethernet With driver model this approach doesn't work very well. We could build a picture of the bus and then go back and add the devices later, but this means that the data structures are incomplete for quite a while. It also does not follow the model of being able to bind a device when we discover it. We would prefer to have devices automatically be bound as the device is enumerated. This allows us to attach drivers to particular USB classes or product/vendor IDs. This is the method used by Linux. Add the required #defines from Linux, a way of declaring a USB driver and the logic to locate the correct driver given the USB device's descriptors. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: Move USB storage definitions to usb_defs.hSimon Glass
These are better off in a header file so they can be used by other code (e.g. the sandbox USB storage emulator). Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: Add driver model support for hubsSimon Glass
Adjust the existing hub code to support driver model, and add a USB driver for hubs. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: Refactor port resetsSimon Glass
Move the port reset code into its own function. Rename usb_hub_reset() to indicate that is is now a legacy function. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: Adjust usb_alloc_new_device() to return an errorSimon Glass
This function returns NULL on error at present. Adjust it so that we can return a real error, as is needed with driver model. Also improve the error handling in its caller, usb_hub_port_connect_change(), and adjust the code order to prepare for driver model. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: usb: Add a uclass for USB controllersSimon Glass
Add a uclass that can represent a USB controller. For now we do not create devices for things attached to the controller. This will be added later. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: core: Add device children and sibling functionsSimon Glass
Add some utility functions to check for children and for the last sibling in a device's parent. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: core: Rename driver data function to dev_get_driver_data()Simon Glass
The existing get_get_of_data() function provides access to both the driver's compatible string and its driver data. However only the latter is actually useful. Update the interface to reflect this and fix up existing users. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: core: Convert driver_bind() to use constSimon Glass
The driver is not modified by driver model, so update driver_bind() to recognise that. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: core: Support allocating driver-private data for DMASimon Glass
Some driver want to put DMA buffers in their private data. Add a flag to tell driver model to align driver-private data to a cache boundary so that DMA will work correctly in this case. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18sandbox: Fix comment for os_open()Simon Glass
This has the wrong #define in the function comment. Fix it. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18linker_lists: Add a function to access a linker list entrySimon Glass
Once declared, you cannot access a linker_list entry since you do not have a symbol name for it. Add llsym() macro to provide this. This avoids searching for the symbol at run-time based on name. An example usage is to declare a driver with U_BOOT_DRIVER(), then obtain a pointer to that driver later. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
2015-04-18dm: eth: Provide a way for drivers to manage packet buffersJoe Hershberger
Some drivers need a chance to manage their receive buffers after the packet has been handled by the network stack. Add an operation that will allow the driver to be called in that case. Reported-by: Simon Glass <sjg@chromium.org> Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org> Tested-by: Simon Glass <sjg@chromium.org> Tested-on: pcduino3
2015-04-18dm: spi: Convert Freescale DSPI driver to driver modelHaikun.Wang@freescale.com
Move the Freescale DSPI driver over to driver model. Signed-off-by: Haikun Wang <Haikun.Wang@freescale.com> Acked-by: Simon Glass <sjg@chromium.org>
2015-04-18cros_ec: exynos: Match up device tree with kernel versionSimon Glass
The U-Boot device trees are slightly different in a few places. Adjust them to remove most of the differences. Note that U-Boot does not support the concept of interrupts as distinct from GPIOs, so this difference remains. For sandbox, use the same keyboard file as for ARM boards and drop the host emulation bus which seems redundant. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-04-18fdt: Drop LPC compatible string in fdtdecSimon Glass
This is not needed now that we have moved chromebook_link and cros_ec to driver model. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-04-18fdt: cros_ec: Drop compatible string in fdtdecSimon Glass
This is not needed now that we have moved to driver model. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-04-18cros_ec: Remove unused cros_ec_board_init() functionSimon Glass
Now that driver model handles cros_ec init, we can drop this special code. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-04-18exynos: cros_ec: Drop unnecessary initSimon Glass
Since driver model will probe the EC when it is first used, we do not need to init it explicitly. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-04-18sandbox: cros_ec: Drop unnecessary initSimon Glass
Since driver model will probe the EC when it is first used, we do not need to init it explicitly. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-04-18cros_ec: Drop unused CONFIG_DM_CROS_ECSimon Glass
Since all supported boards enable this option now, we can remove it along with the old code. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-04-18x86: chromebook_link: dts: Add PCH and LPC devicesSimon Glass
The PCH (Platform Controller Hub) is on the PCI bus, so show it as such. The LPC (Low Pin Count) and SPI bus are inside the PCH, so put these in the right place also. Rename the compatible strings to be more descriptive since this board is the only user. Once we are using driver model fully on x86, these will be dropped. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-04-18dm: x86: Add a uclass for an Low Pin Count (LPC) deviceSimon Glass
On x86 systems this device is commonly used to provide legacy port access. It is sort-of a replacement for the old ISA bus. Add a uclass for this, and allow it to have child devices. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-04-18dm: x86: spi: Convert ICH SPI driver to driver modelSimon Glass
Convert this driver over to use driver model. Since all x86 platforms use it, move x86 to use driver model for SPI and SPI flash. Adjust all dependent code and remove the old x86 spi_init() function. Note that this does not make full use of the new PCI uclass as yet. We still scan the bus looking for the device. It should move to finding its details in the device tree. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-04-18dm: sf: Add driver model read/write/erase methodsSimon Glass
Permit use of a udevice to talk to SPI flash. Ultimately we would like to retire the use of 'struct spi_flash' for this purpose, so create the new API for those who want to move to it. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-04-18net: Improve error handlingJoe Hershberger
Take a pass at plumbing errors through to the users of the network stack Currently only the start() function errors will be returned from NetLoop(). recv() tends not to have errors, so that is likely not worth adding. send() certainly can return errors, but this patch does not attempt to plumb them yet. halt() is not expected to error. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18sandbox: Enable DHCP and IP defragJoe Hershberger
This is now testable via the eth-raw interface Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18dm: eth: Add support for aliasesJoe Hershberger
Allow network devices to be referred to as "eth0" instead of "eth@12345678" when specified in ethact. Add tests to verify this behavior. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18sandbox: eth: Add ARP and PING response to sandbox driverJoe Hershberger
The sandbox driver will now generate response traffic to exercise the ping command even when no network exists. This allows the basic data pathways of the DM to be tested. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18sandbox: eth: Add network support to sandboxJoe Hershberger
Add basic network support to sandbox which includes a network driver. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18dm: eth: Pass the packet pointer as a parameter to recvJoe Hershberger
Stop forcing drivers to call net_process_received_packet() - formerly called NetReceive(). Now the uclass will handle calling the driver for each packet until the driver errors or has nothing to return. The uclass will then pass the good packets off to the network stack by calling net_process_received_packet(). Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
2015-04-18net: Clean up network stack names used in DM driversJoe Hershberger
Take the opportunity to enforce better names on newly written or retrofitted Ethernet drivers. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18dm: eth: Add basic driver model support to Ethernet stackJoe Hershberger
First just add support for MAC drivers. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18net: Remove the bd* parameter from net stack functionsJoe Hershberger
This value is not used by the network stack and is available in the global data, so stop passing it around. For the one legacy function that still expects it (init op on old Ethernet drivers) pass in the global pointer version directly to avoid changing that interface. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reported-by: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org> (Trival fix to remove an unneeded variable declaration in 4xx_enet.c)
2015-04-18net: Use int instead of u8 for boolean flagJoe Hershberger
On some archs masking the parameter is inefficient, so don't use u8. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reported-by: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18net: Refactor in preparation for driver modelJoe Hershberger
Move some things around and organize things so that the driver model implementation will fit in more easily. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18net: Remove unneeded "extern" in net.hJoe Hershberger
Many of the functions in net.h were preceded extern needlessly. Removing them to limit the number of checkpatch.pl complaints. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18net: Provide a function to get the current MAC addressJoe Hershberger
The current implementation exposes the eth_device struct to code that needs to access the MAC address. Add a wrapper function for this to abstract away the pointer for this operation. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18common: Make sure arch-specific map_sysmem() is definedJoe Hershberger
In the case where the arch defines a custom map_sysmem(), make sure that including just mapmem.h is sufficient to have these functions as they are when the arch does not override it. Also split the non-arch specific functions out of common.h Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2015-04-18dm: x86: pci: Convert coreboot to use driver model for pciSimon Glass
Move coreboot-x86 over to driver model for PCI. Signed-off-by: Simon Glass <sjg@chromium.org>