| /openbmc/linux/Documentation/devicetree/bindings/fpga/ |
| H A D | fpga-region.txt | 58 * FPGA Bridges gate bus signals between a host and FPGA.
59 * FPGA Bridges should be disabled while the FPGA is being programmed to
61 * FPGA bridges may be actual hardware or soft logic on an FPGA.
62 * During Full Reconfiguration, hardware bridges between the host and FPGA
67 buses, eliminating the need to show the hardware FPGA bridges in the
111 1. Disable appropriate FPGA bridges.
113 3. Enable the FPGA bridges.
118 will disable the bridges.
129 * FPGA Bridges
145 FPGA region will be the child of one of the hardware bridges (the bridge that
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| H A D | altera-freeze-bridge.txt | 3 The Altera Freeze Bridge Controller manages one or more freeze bridges.
4 The controller can freeze/disable the bridges which prevents signal
6 unfreeze/enable the bridges which allows traffic to pass through the
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| H A D | xlnx,pr-decoupler.yaml | 14 decouplers/fpga bridges. The controller can decouple/disable the bridges
16 can also couple / enable the bridges which allows traffic to pass through the
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| /openbmc/linux/drivers/pcmcia/ |
| H A D | Kconfig | 63 bridge. Virtually all modern PCMCIA bridges do this, and most of
71 comment "PC-card bridges"
79 This option enables support for CardBus host bridges. Virtually
80 all modern PCMCIA bridges are CardBus compatible. A "bridge" is
91 bool "Special initialization for O2Micro bridges" if EXPERT
96 bool "Special initialization for Ricoh bridges" if EXPERT
101 bool "Special initialization for TI and EnE bridges" if EXPERT
106 bool "Auto-tune EnE bridges for CB cards" if EXPERT
111 bool "Special initialization for Toshiba ToPIC bridges" if EXPERT
136 Say Y here to include support for ISA-bus PCMCIA host bridges that
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| /openbmc/linux/drivers/gpu/drm/ |
| H A D | drm_bridge_connector.c | 24 * operations are fully implemented based on the operations of the bridges in
30 * connector with the chain of bridges passed to the function and registers it
35 * provided by the bridges in the chain. Each connector operation is delegated
39 * To make use of this helper, all bridges in the chain shall report bridge
42 * flag (none of the bridges shall create a DRM connector directly).
46 * struct drm_bridge_connector - A connector backed by a chain of bridges
56 * The encoder at the start of the bridges chain.
103 /* Notify all bridges in the pipeline of hotplug events. */ in drm_bridge_connector_hpd_notify()
290 /* No need for .mode_valid(), the bridges are checked by the core. */
300 * drm_bridge_connector_init - Initialise a connector for a chain of bridges
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| H A D | drm_bridge.c | 48 * either connected to it directly, or through a chain of bridges::
54 * Chaining multiple bridges to the output of a bridge, or the same bridge to
55 * the output of different bridges, is not supported.
71 * Bridges are responsible for linking themselves with the next bridge in the
75 * Once these links are created, the bridges can participate along with encoder
83 * bridges in the chain.
95 * Bridges also participate in implementing the &drm_connector at the end of
105 * The interaction between the bridges and other frameworks involved in
162 * DSI host interfaces are expected to be implemented as bridges rather than
295 * Note that bridges attached to encoders are auto-detached during encoder
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| /openbmc/linux/include/drm/ |
| H A D | drm_bridge.h | 220 * of the bridges chain, for instance when the first bridge in the chain
222 * bridge in the chain and is likely irrelevant for the other bridges.
370 * otherwise. For bridges that don't subclass &drm_bridge_state, the
387 * For bridges that don't subclass &drm_bridge_state, the
441 * Bridge drivers that need to support being linked to bridges that are
499 * bridges that don't subclass &drm_bridge_state, the
508 * 2. It's meant to be used exclusively on bridges that have been
524 * Bridges that implement this callback shall set the
540 * displays such as many fixed panels. Bridges that support reading
544 * This callback is optional. Bridges that implement it shall set the
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| /openbmc/linux/Documentation/devicetree/bindings/display/bridge/ |
| H A D | megachips-stdpxxxx-ge-b850v3-fw.txt | 2 STDP4028-ge-b850v3-fw bridges (LVDS-DP)
3 STDP2690-ge-b850v3-fw bridges (DP-DP++)
11 STDP2690 behave as the stock bridges would. The compatible strings include the
12 suffix "-ge-b850v3-fw" to make it clear that the driver is for the bridges with
16 two bridges behaves as a single one. The only interfaces exposed by the
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| /openbmc/linux/Documentation/driver-api/fpga/ |
| H A D | fpga-region.rst | 12 an FPGA Manager and a bridge (or bridges) with a reprogrammable region of an
26 * which bridges to disable before programming and enable afterwards.
68 The FPGA region will need to specify which bridges to control while programming
69 the FPGA. The region driver can build a list of bridges during probe time
71 the list of bridges to program just before programming
79 * fpga_bridges_put() - Given a list of bridges, put them
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| H A D | fpga-programming.rst | 12 the FPGA manager and bridges. It will:
16 * build a list of FPGA bridges if a method has been specified to do so
17 * disable the bridges
19 * re-enable the bridges
31 bridges to control during programming or it has a pointer to a function that
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| /openbmc/linux/drivers/fpga/ |
| H A D | of-fpga-region.c | 74 * of_fpga_region_get_bridges - create a list of bridges
77 * Create a list of bridges including the parent bridge and the bridges
78 * specified by "fpga-bridges" property. Note that the
83 * done with the bridges.
85 * Return: 0 for success (even if there are no bridges specified)
86 * or -EBUSY if any of the bridges are in use.
108 /* If overlay has a list of bridges, use it. */ in of_fpga_region_get_bridges()
109 br = of_parse_phandle(info->overlay, "fpga-bridges", 0); in of_fpga_region_get_bridges()
118 br = of_parse_phandle(np, "fpga-bridges", i); in of_fpga_region_get_bridges()
133 /* If any of the bridges are in use, give up */ in of_fpga_region_get_bridges()
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| H A D | fpga-bridge.c | 19 /* Lock for adding/removing bridges to linked lists*/
159 * fpga_bridges_enable - enable bridges in a list
160 * @bridge_list: list of FPGA bridges
182 * fpga_bridges_disable - disable bridges in a list
184 * @bridge_list: list of FPGA bridges
206 * fpga_bridges_put - put bridges
208 * @bridge_list: list of FPGA bridges
233 * @bridge_list: list of FPGA bridges
263 * @bridge_list: list of FPGA bridges
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| H A D | fpga-region.c | 90 * bridges will be held if programming succeeds. This is intended to prevent
116 * In some cases, we already have a list of bridges in the in fpga_region_program_fpga()
117 * fpga region struct. Or we don't have any bridges. in fpga_region_program_fpga()
122 dev_err(dev, "failed to get fpga region bridges\n"); in fpga_region_program_fpga()
129 dev_err(dev, "failed to disable bridges\n"); in fpga_region_program_fpga()
141 dev_err(dev, "failed to enable region bridges\n"); in fpga_region_program_fpga()
253 * @get_bridges: optional function to get bridges to a list
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| H A D | Kconfig | 97 Say Y here if you want to support bridges connected between host
101 tristate "Altera SoCFPGA FPGA Bridges"
104 Say Y to enable drivers for FPGA bridges for Altera SOCFPGA
111 Say Y to enable drivers for Altera FPGA Freeze bridges. A
138 and the FPGA Bridges associated with either a reconfigurable
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| /openbmc/u-boot/arch/arm/mach-socfpga/ |
| H A D | reset_manager_arria10.c | 88 /* Enable bridges (hps2fpga, lwhps2fpga, fpga2hps, fpga2sdram) per handoff */
102 /* clear idle request to all bridges */ in socfpga_reset_deassert_bridges_handoff()
105 /* Release bridges from reset state per handoff value */ in socfpga_reset_deassert_bridges_handoff()
188 /* Disable all the bridges (hps2fpga, lwhps2fpga, fpga2hps, in socfpga_bridges_reset()
190 /* set idle request to all bridges */ in socfpga_bridges_reset()
226 /* Put all bridges (except NOR DDR scheduler) into reset state */ in socfpga_bridges_reset()
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| H A D | reset_manager_s10.c | 61 /* clear idle request to all bridges */ in socfpga_bridges_reset()
64 /* Release bridges from reset state per handoff value */ in socfpga_bridges_reset()
71 /* set idle request to all bridges */ in socfpga_bridges_reset()
87 /* Put all bridges (except NOR DDR scheduler) into reset */ in socfpga_bridges_reset()
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| /openbmc/linux/Documentation/devicetree/bindings/pci/ |
| H A D | pci.txt | 1 PCI bus bridges have standardized Device Tree bindings:
18 host bridges in the system, otherwise potentially conflicting domain numbers
19 may be assigned to root buses behind different host bridges. The domain
68 When present, the port is external-facing. All bridges and endpoints
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| /openbmc/qemu/docs/ |
| H A D | pcie.txt | 71 PCI Express Root Ports and PCI Express to PCI bridges can be
138 Besides that use PCI Express to PCI Bridges (pcie-pci-bridge) in
139 combination with PCI-PCI Bridges (pci-bridge) to start PCI hierarchies.
142 (having 32 slots) and several PCI-PCI Bridges attached to it
174 Firmware/Guest OS as PCI-PCI Bridges. As required by the PCI spec, each
227 (3) PCI Express to PCI Bridges
233 PCI devices can be hot-plugged into PCI Express to PCI and PCI-PCI Bridges.
235 PCI Express to PCI bridges is SHPC-based. They both can work side by side with
244 or more empty PCI-PCI Bridges to the PCI Express to PCI Bridge.
250 Because of the hard IO limit of around 10 PCI Bridges (~ 40K space)
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| /openbmc/linux/include/linux/fpga/ |
| H A D | fpga-region.h | 17 * @get_bridges: optional function to get bridges to a list
35 * @bridge_list: list of FPGA bridges specified in region
41 * @get_bridges: optional function to get bridges to a list
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| /openbmc/linux/Documentation/devicetree/bindings/ata/ |
| H A D | cortina,gemini-sata-bridge.yaml | 14 takes two Faraday Technology FTIDE010 PATA controllers and bridges
26 description: phandles to the reset lines for both SATA bridges
55 bridges.
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| /openbmc/linux/arch/alpha/kernel/ |
| H A D | sys_eiger.c | 168 /* Find the number of backplane bridges. */ in eiger_swizzle()
173 case 0x00: bridge_count = 0; break; /* No bridges */ in eiger_swizzle()
182 /* Check for built-in bridges on hose 0. */ in eiger_swizzle()
192 /* Move up the chain of bridges. */ in eiger_swizzle()
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| /openbmc/u-boot/drivers/video/bridge/ |
| H A D | Kconfig | 2 bool "Support video bridges"
5 Some platforms use video bridges to convert from one output to
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| /openbmc/linux/drivers/ata/ |
| H A D | pata_ftide010.c | 274 int bridges = 0; in pata_ftide010_gemini_port_start() local
285 bridges++; in pata_ftide010_gemini_port_start()
291 bridges++; in pata_ftide010_gemini_port_start()
298 bridges++; in pata_ftide010_gemini_port_start()
305 bridges++; in pata_ftide010_gemini_port_start()
308 dev_info(dev, "brought %d bridges online\n", bridges); in pata_ftide010_gemini_port_start()
309 return (bridges > 0) ? 0 : -EINVAL; // -ENODEV; in pata_ftide010_gemini_port_start()
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| /openbmc/linux/Documentation/PCI/ |
| H A D | msi-howto.rst | 50 bridges). In order to ensure that all the data has arrived in memory,
239 Some PCI bridges are not able to route MSIs between busses properly.
242 Some bridges allow you to enable MSIs by changing some bits in their
259 Again, please notify linux-pci@vger.kernel.org of any bridges that need
280 Then, 'lspci -t' gives the list of bridges above a device. Reading
283 to bridges between the PCI root and the device, MSIs are disabled.
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| /openbmc/linux/drivers/gpu/drm/bridge/ |
| H A D | megachips-stdpxxxx-ge-b850v3-fw.c | 11 * display bridge of the GE B850v3. There are two physical bridges on the video
13 * physical bridges are automatically configured by the input video signal, and
16 * STDP4028. The driver communicates with both bridges over i2c. The video
352 /* Only register after both bridges are probed */ in stdp4028_ge_b850v3_fw_probe()
399 /* Only register after both bridges are probed */ in stdp2690_ge_b850v3_fw_probe()
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