summaryrefslogtreecommitdiff
path: root/src/device/root_device.c
AgeCommit message (Collapse)Author
2018-05-11devicetree: Add USB device typeDuncan Laurie
This commit adds support for describing USB ports in devicetree.cb. It allows a USB port location to be described in the tree with configuration information, and ACPI code to be generated that provides this information to the OS. A new scan_usb_bus() is added that will scan bridges for devices so a tree of ports and hubs can be created. The device address is computed with a 'port type' and a 'port id' which is flexible for SOC to handle depending on their specific USB setup and allows USB2 and USB3 ports to be described separately. For example a board may have devices on two ports, one with a USB2 device and one with a USB3 device, both of which are connected to an xHCI controller with a root hub: xHCI | RootHub | | USB2[0] USB3[2] device pci 14.0 on chip drivers/usb/acpi register "name" = ""Root Hub"" device usb 0.0 on chip drivers/usb/acpi register "name" = ""USB 2.0 Port 0"" device usb 2.0 on end end chip drivers/usb/acpi register "name" = ""USB 3.0 Port 2"" device usb 3.2 on end end end end end Change-Id: I64e6eba503cdab49be393465b535e139a8c90ef4 Signed-off-by: Duncan Laurie <dlaurie@google.com> Reviewed-on: https://review.coreboot.org/26169 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
2018-05-04device/root_device.c: Get rid of device_tElyes HAOUAS
Use of `device_t` has been abandoned in ramstage. Change-Id: Ia25c5097d4cfa979c18a855e656ad794c2f0260c Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/26008 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2017-09-14device: acpi_name() should take a const struct deviceAaron Durbin
There's no reason to mutate the struct device when determining the ACPI name for a device. Adjust the function pointer signature and the respective implementations to use const struct device. Change-Id: If5e1f4de36a53646616581b01f47c4e86822c42e Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/21527 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Subrata Banik <subrata.banik@intel.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2017-02-16device: Add scan_generic_bus supportFurquan Shaikh
scan_smbus routine does not perform any smbus specific operation. Thus, rename the routine to scan_generic_bus so that it can be used by other buses like SPI. Add a wrapper scan_smbus to allow other users of smbus scan to continue working as before. BUG=chrome-os-partner:59832 BRANCH=None TEST=Compiles successfully Change-Id: I8ca1a2b7f2906d186ec39e9223ce18b8a1f27196 Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/18363 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2016-05-21device: Add an ACPI device name and path concept to devicesDuncan Laurie
Add a function to "struct device_operations" to return the ACPI name for the device, and helper functions to find this name (either from the device or its parent) and to build a fully qualified ACPI path from the root device. This addition will allow device drivers to generate their ACPI AML in the SSDT at boot, with customization supplied by devicetree.cb, instead of needing custom DSDT ASL for every mainboard. The root device acpi_name is defined as "\\_SB" and is used to start the path when building a fully qualified name. This requires SOC support to provide handlers for returning the ACPI name for devices that it owns, and those names must match the objects declared in the DSDT. The handler can be done either in each device driver or with a global handler for the entire SOC. Simplified example of how this can be used for an i2c device declared in devicetree.cb with: chip soc/intel/skylake # "\_SB" (from root device) device domain 0 on # "PCI0" device pci 19.2 on # "I2C4" chip drivers/i2c/test0 device i2c 1a.0 on end # "TST0" end end end end And basic SSDT generating code in the device driver: acpigen_write_scope(acpi_device_scope(dev)); acpigen_write_device(acpi_device_name(dev)); acpigen_write_string("_HID", "TEST0000"); acpigen_write_byte("_UID", 0); acpigen_pop_len(); /* device */ acpigen_pop_len(); /* scope */ Will produce this ACPI code: Scope (\_SB.PCI0.I2C4) { Device (TST0) { Name (_HID, "TEST0000") Name (_UID, 0) } } Change-Id: Ie149595aeab96266fa5f006e7934339f0119ac54 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/14840 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-05-16sconfig: Add a new generic device typeDuncan Laurie
Add support for a basic generic device in the devicetree to bind to a device that does not have a specific bus, but may need to be described in tables for the operating system. For instance some chips may have various GPIO connections that need described but do not fall under any other device. In order to support this export the basic 'scan_static_bus()' that can be used in a device_operations->scan_bus() method to scan for the generic devices. It has been possible to get a semi-generic device by using a fake PNP device, but that isn't really appropriate for many devices. Also Re-generate the shipped files for sconfig. Use flex 2.6.0 to avoid everything being rewritten. Clean up the local paths that leak into the generated configs. Change-Id: If45a5b18825bdb2cf1e4ba4297ee426cbd1678e3 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://review.coreboot.org/14789 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Leroy P Leahy <leroy.p.leahy@intel.com>
2015-10-31tree: drop last paragraph of GPL copyright headerPatrick Georgi
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2015-06-04devicetree: Change scan_bus() prototype in device opsKyösti Mälkki
The input/output value max is no longer used for tracking the bus enumeration sequence, everything is handled in the context of devicetree bus objects. Change-Id: I545088bd8eaf205b1436d8c52d3bc7faf4cfb0f9 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/8541 Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-06-04devicetree: Single scan_bridges()Kyösti Mälkki
Change-Id: Ifd277992a69a4182e2fac92aaf746abe4fec2a1b Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/8540 Tested-by: build bot (Jenkins) Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2015-06-04devicetree: Rename unused parameter to passthruKyösti Mälkki
The actual use of the parameter max is to keep track of PCI bus number while recursively scanning PCI bridges or PCI-e rootports. Neither CPU, SMBus, LPC or other static buses are involved in this enumeration, but the way bridge operations were originally designed forced to pass this argument thru unrelated functions. Follow-up removes these once the function prototype gets fixed. Change-Id: Idbc9c515a362c571a1798bb36972058b309c2774 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/8535 Tested-by: build bot (Jenkins) Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
2015-06-04devicetree: Discriminate device ops scan_bus()Kyösti Mälkki
Use of scan_static_bus() and tree traversals is somewhat convoluted. Start cleaning this up by assigning each path type with separate static scan_bus() function. For ME, SMBus and LPC paths a bus cannot expose bridges, as those would add to the number of encountered PCI buses. Change-Id: I8bb11450516faad4fa33b8f69bce5b9978ec75e5 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/8534 Tested-by: build bot (Jenkins) Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
2015-05-21Remove address from GPLv2 headersPatrick Georgi
As per discussion with lawyers[tm], it's not a good idea to shorten the license header too much - not for legal reasons but because there are tools that look for them, and giving them a standard pattern simplifies things. However, we got confirmation that we don't have to update every file ever added to coreboot whenever the FSF gets a new lease, but can drop the address instead. util/kconfig is excluded because that's imported code that we may want to synchronize every now and then. $ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *MA[, ]*02110-1301[, ]*USA:Foundation, Inc.:" {} + $ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA:Foundation, Inc.:" {} + $ find * -type f -exec sed -i "s:Foundation, Inc., 59 Temple Place[-, ]*Suite 330, Boston, MA *02111-1307[, ]*USA:Foundation, Inc.:" {} + $ find * -type f -exec sed -i "s:Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.:Foundation, Inc.:" {} + $ find * -type f -a \! -name \*.patch \ -a \! -name \*_shipped \ -a \! -name LICENSE_GPL \ -a \! -name LGPL.txt \ -a \! -name COPYING \ -a \! -name DISCLAIMER \ -exec sed -i "/Foundation, Inc./ N;s:Foundation, Inc.* USA\.* *:Foundation, Inc. :;s:Foundation, Inc. $:Foundation, Inc.:" {} + Change-Id: Icc968a5a5f3a5df8d32b940f9cdb35350654bef9 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/9233 Tested-by: build bot (Jenkins) Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
2015-03-01devicetree: Drop dummy root_dev opsKyösti Mälkki
This is just dead code. Should we decide that we want some of these calls made, they would be implemented in the mainboard context. Change-Id: I1f097c8da722f3afab9aa1c80b96590c7ca457d5 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/8532 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2013-03-01GPLv2 notice: Unify all files to just use one space in »MA 02110-1301«Paul Menzel
In the file `COPYING` in the coreboot repository and upstream [1] just one space is used. The following command was used to convert all files. $ git grep -l 'MA 02' | xargs sed -i 's/MA 02/MA 02/' [1] http://www.gnu.org/licenses/gpl-2.0.txt Change-Id: Ic956dab2820a9e2ccb7841cab66966ba168f305f Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-on: http://review.coreboot.org/2490 Tested-by: build bot (Jenkins) Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com>
2012-11-30Rename devices -> deviceStefan Reinauer
to match src/include/device Change-Id: I5d0e5b4361c34881a3b81347aac48738cb5b9af0 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1960 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org>