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* fdt: Drop LPC compatible string in fdtdecSimon Glass2015-04-18-2/+0
| | | | | | | 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>
* fdt: cros_ec: Drop compatible string in fdtdecSimon Glass2015-04-18-2/+0
| | | | | | This is not needed now that we have moved to driver model. Signed-off-by: Simon Glass <sjg@chromium.org>
* cros_ec: Remove unused cros_ec_board_init() functionSimon Glass2015-04-18-12/+0
| | | | | | Now that driver model handles cros_ec init, we can drop this special code. Signed-off-by: Simon Glass <sjg@chromium.org>
* exynos: cros_ec: Drop unnecessary initSimon Glass2015-04-18-16/+0
| | | | | | | 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>
* x86: cros_ec: Drop unnecessary initSimon Glass2015-04-18-8/+0
| | | | | | | 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>
* sandbox: cros_ec: Drop unnecessary initSimon Glass2015-04-18-13/+0
| | | | | | | 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>
* cros_ec: Drop unused CONFIG_DM_CROS_ECSimon Glass2015-04-18-506/+1
| | | | | | | 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>
* cros_ec: Reinit the cros_ec device when 'crosec init' is usedSimon Glass2015-04-18-2/+8
| | | | | | | This command is supposed to reinit the device. At present with driver model is does nothing. Implement this feature. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: cros_ec: Convert cros_ec LPC driver to driver modelSimon Glass2015-04-18-0/+51
| | | | | | | This is the last driver to be converted. It requires an LPC bus and a special check_version() method. Signed-off-by: Simon Glass <sjg@chromium.org>
* x86: chromebook_link: dts: Add PCH and LPC devicesSimon Glass2015-04-18-34/+55
| | | | | | | | | | | | 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>
* dm: x86: Add a uclass for an Low Pin Count (LPC) deviceSimon Glass2015-04-18-0/+30
| | | | | | | | | 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>
* dm: x86: Add a uclass for a Platform Controller HubSimon Glass2015-04-18-9/+29
| | | | | | | | | Add a simple uclass for this chip which is often found in x86 systems where the CPU is a separate device. The device can have children, so make it scan the device tree for these. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: x86: spi: Convert ICH SPI driver to driver modelSimon Glass2015-04-18-278/+290
| | | | | | | | | | | | 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>
* dm: sf: Add driver model read/write/erase methodsSimon Glass2015-04-18-6/+57
| | | | | | | | 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>
* net: Improve error handlingJoe Hershberger2015-04-18-19/+70
| | | | | | | | | | | | 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>
* sandbox: eth: Add support for using the 'lo' interfaceJoe Hershberger2015-04-18-5/+218
| | | | | | | | | | | | | | | The 'lo' interface on Linux doesn't support thinks like ARP or link-layer access like we use to talk to a normal network interface. A higher-level network API must be used to access localhost. As written, this interface is limited to not supporting ICMP since the API doesn't allow the socket to be opened for all IP traffic and be able to receive at the same time. UDP is far more useful to test with, so it was selected over ICMP. Ping won't work, but things like TFTP should work. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* sandbox: Enable DHCP and IP defragJoe Hershberger2015-04-18-0/+8
| | | | | | | 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>
* sandbox: eth: Add a bridge to a real network for sandboxJoe Hershberger2015-04-18-0/+352
| | | | | | | | | | | | | | Implement a bridge between U-Boot's network stack and Linux's raw packet API allowing the sandbox to send and receive packets using the host machine's network interface. This raw Ethernet API requires elevated privileges. You can either run as root, or you can add the capability needed like so: sudo /sbin/setcap "CAP_NET_RAW+ep" /path/to/u-boot Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* test: dm: net: Add a test of the netretry behaviorJoe Hershberger2015-04-18-0/+32
| | | | | | | | The effect of the "netretry" env var was recently changed. This test checks that behavior. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* sandbox: eth: Add ability to disable ping reply in sandbox eth driverJoe Hershberger2015-04-18-0/+32
| | | | | | | | This is needed to test the netretry functionality (make the command fail on a sandbox eth device). Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* test: dm: eth: Add testing for ethrotate env varJoe Hershberger2015-04-18-0/+42
| | | | | | | Make sure that the ethrotate behavior occurs as expected. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* dm: eth: Add support for ethprime env varJoe Hershberger2015-04-18-1/+48
| | | | | | | | The ethprime env var is used to indicate the starting device if none is specified in ethact. Also support aliases specified in the ethprime var. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* dm: eth: Add support for aliasesJoe Hershberger2015-04-18-11/+74
| | | | | | | | | | 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>
* test: dm: eth: Add tests for the eth dm implementationJoe Hershberger2015-04-18-0/+57
| | | | | | | | | Add a test for the eth uclass using the sandbox eth driver. Verify basic functionality of the network stack / eth uclass by exercising the ping function. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* sandbox: eth: Add ARP and PING response to sandbox driverJoe Hershberger2015-04-18-0/+109
| | | | | | | | | 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>
* sandbox: eth: Add network support to sandboxJoe Hershberger2015-04-18-8/+133
| | | | | | | 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>
* dm: eth: Pass the packet pointer as a parameter to recvJoe Hershberger2015-04-18-3/+18
| | | | | | | | | | 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>
* net: Clean up network stack names used in DM driversJoe Hershberger2015-04-18-12/+27
| | | | | | | | 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>
* dm: eth: Add basic driver model support to Ethernet stackJoe Hershberger2015-04-18-6/+410
| | | | | | | First just add support for MAC drivers. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* cmd: net: Clean up return codesJoe Hershberger2015-04-18-24/+21
| | | | | | | | The return codes in common/cmd_net.c had a number of inconsistencies. Update them to all use the enum from command.h Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* net: Access mapped physmem in net functionsJoe Hershberger2015-04-18-2/+10
| | | | | | | | | | | Previously the net functions would access memory assuming physmem did not need to be mapped. In sandbox, that's not the case. Now we map the physmem specified by the user in loadaddr to the buffer that represents that space. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* net: Make netretry actually do somethingJoe Hershberger2015-04-18-2/+6
| | | | | | | | | | | | | | | netretry previously would only retry in one specific case (your MAC address is not set) and no other. This is basically useless. In the DM implementation for eth it turns this into a completely useless case since an un-configured MAC address results in not even entering the NetLoop. The behavior is now changed to retry any failed command (rotating through the eth adapters if ethrotate != no). It also defaulted to retry forever. It is now changed to default to not retry Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* net: Remove the bd* parameter from net stack functionsJoe Hershberger2015-04-18-34/+34
| | | | | | | | | | | | | 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)
* net: Use int instead of u8 for boolean flagJoe Hershberger2015-04-18-2/+2
| | | | | | | | 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>
* net: Change return codes from net/eth.c to use errorno constantsJoe Hershberger2015-04-18-6/+6
| | | | | | | | | Many functions returned -1 previously. Change them to return appropriate error codes. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reported-by: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org>
* net: Refactor in preparation for driver modelJoe Hershberger2015-04-18-69/+78
| | | | | | | | 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>
* net: Remove unneeded "extern" in net.hJoe Hershberger2015-04-18-45/+45
| | | | | | | | 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>
* net: Rename helper function to be more clearJoe Hershberger2015-04-18-9/+4
| | | | | | | Make it clear that the helper is checking the addr, not setting it. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* net: Provide a function to get the current MAC addressJoe Hershberger2015-04-18-5/+13
| | | | | | | | | 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>
* common: Make sure arch-specific map_sysmem() is definedJoe Hershberger2015-04-18-17/+66
| | | | | | | | | | | 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>
* test: dm: Reorder the objects to buildJoe Hershberger2015-04-18-2/+2
| | | | | Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Acked-by: Simon Glass <sjg@chromium.org>
* dm: pci: Add driver model tests for PCISimon Glass2015-04-18-0/+77
| | | | | | Add some basic tests to check that things work as expected with sandbox. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: x86: pci: Convert chromebook_link to use driver model for pciSimon Glass2015-04-18-68/+62
| | | | | | | | | | | | | | | | Move chromebook_link over to driver model for PCI. This involves: - adding a uclass for platform controller hub - removing most of the existing PCI driver - adjusting how CPU init works to use driver model instead - rename the lpc compatible string (it will be removed later) This does not really take advantage of driver model fully, but it does work. Furture work will improve the code structure to remove many of the explicit calls to init the board. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: x86: pci: Convert coreboot to use driver model for pciSimon Glass2015-04-18-47/+34
| | | | | | Move coreboot-x86 over to driver model for PCI. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: x86: pci: Add a PCI driver for driver modelSimon Glass2015-04-18-0/+75
| | | | | | | Add a simple x86 PCI driver which uses standard functions provided by the architecture. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: sandbox: pci: Enable PCI for sandboxSimon Glass2015-04-18-0/+8
| | | | | | | Enable PCI options so that sandbox can be used for testing this bus with driver model. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: sandbox: Add a emulated PCI device as an exampleSimon Glass2015-04-18-0/+285
| | | | | | | | This device sits on the sandbox PCI bus and provides a case-swapping service for sandbox. It illustrates the use of both PCI I/O and PCI memory accesses. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: sandbox: pci: Add a PCI emulation uclassSimon Glass2015-04-16-0/+177
| | | | | | | | Since sandbox does not have real devices (unless it borrows those from the host) it must use emulations. Provide a uclass which permits PCI operations to be passed through to an emulation device. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: sandbox: Add a simple PCI driverSimon Glass2015-04-16-0/+90
| | | | | | | Add a driver which can access emulations of devices and make them available in sandbox. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: sandbox: pci: Add PCI support for sandboxSimon Glass2015-04-16-7/+284
| | | | | | | | Add the required header information, device tree nodes and I/O accessor functions to support PCI on sandbox. All devices are emulated by drivers which can be added as required for testing or development. Signed-off-by: Simon Glass <sjg@chromium.org>
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