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[75.142.250.213]) by smtp.gmail.com with ESMTPSA id b198sm408535oii.19.2021.06.14.13.17.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Jun 2021 13:17:19 -0700 (PDT) From: trix@redhat.com To: hao.wu@intel.com, mdf@kernel.org, corbet@lwn.net, michal.simek@xilinx.com, gregkh@linuxfoundation.org, krzysztof.kozlowski@canonical.com, nava.manne@xilinx.com, yilun.xu@intel.com, davidgow@google.com, fpacheco@redhat.com, richard.gong@intel.com, luca@lucaceresoli.net Cc: linux-fpga@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Tom Rix Subject: [PATCH v4 2/4] fpga: xilinx: reorganize to subdir layout Date: Mon, 14 Jun 2021 13:16:46 -0700 Message-Id: <20210614201648.3358206-4-trix@redhat.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210614201648.3358206-1-trix@redhat.com> References: <20210614201648.3358206-1-trix@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=trix@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210614_131723_068112_442F6127 X-CRM114-Status: GOOD ( 21.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Tom Rix Follow drivers/net/ethernet/ which has control configs NET_VENDOR_BLA that map to drivers/net/ethernet/bla Since fpgas do not have many vendors, drop the 'VENDOR' and use FPGA_BLA. There are several new subdirs altera/ dfl/ lattice/ xilinx/ Each subdir has a Kconfig that has a new/reused if FPGA_BLA ... existing configs ... endif FPGA_BLA Which is sourced into the main fpga/Kconfig Each subdir has a Makefile whose transversal is controlled in the fpga/Makefile by obj-$(CONFIG_FPGA_BLA) += bla/ This is the xilinx/ subdir part Create a xilinx/ subdir Move xilinx-* and zynq* files to it. Add a Kconfig and Makefile Signed-off-by: Tom Rix --- drivers/fpga/Kconfig | 40 +------------- drivers/fpga/Makefile | 5 +- drivers/fpga/xilinx/Kconfig | 55 +++++++++++++++++++ drivers/fpga/xilinx/Makefile | 6 ++ .../fpga/{ => xilinx}/xilinx-pr-decoupler.c | 0 drivers/fpga/{ => xilinx}/xilinx-spi.c | 0 drivers/fpga/{ => xilinx}/zynq-fpga.c | 0 drivers/fpga/{ => xilinx}/zynqmp-fpga.c | 0 8 files changed, 63 insertions(+), 43 deletions(-) create mode 100644 drivers/fpga/xilinx/Kconfig create mode 100644 drivers/fpga/xilinx/Makefile rename drivers/fpga/{ => xilinx}/xilinx-pr-decoupler.c (100%) rename drivers/fpga/{ => xilinx}/xilinx-spi.c (100%) rename drivers/fpga/{ => xilinx}/zynq-fpga.c (100%) rename drivers/fpga/{ => xilinx}/zynqmp-fpga.c (100%) diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig index 7a290b2234576..28c261807b428 100644 --- a/drivers/fpga/Kconfig +++ b/drivers/fpga/Kconfig @@ -52,25 +52,12 @@ config FPGA_MGR_ALTERA_CVP FPGA manager driver support for Arria-V, Cyclone-V, Stratix-V, Arria 10 and Stratix10 Altera FPGAs using the CvP interface over PCIe. -config FPGA_MGR_ZYNQ_FPGA - tristate "Xilinx Zynq FPGA" - depends on ARCH_ZYNQ || COMPILE_TEST - help - FPGA manager driver support for Xilinx Zynq FPGAs. - config FPGA_MGR_STRATIX10_SOC tristate "Intel Stratix10 SoC FPGA Manager" depends on (ARCH_INTEL_SOCFPGA && INTEL_STRATIX10_SERVICE) help FPGA manager driver support for the Intel Stratix10 SoC. -config FPGA_MGR_XILINX_SPI - tristate "Xilinx Configuration over Slave Serial (SPI)" - depends on SPI - help - FPGA manager driver support for Xilinx FPGA configuration - over slave serial interface. - config FPGA_MGR_ICE40_SPI tristate "Lattice iCE40 SPI" depends on OF && SPI @@ -113,23 +100,6 @@ config ALTERA_FREEZE_BRIDGE isolate one region of the FPGA from the busses while that region is being reprogrammed. -config XILINX_PR_DECOUPLER - tristate "Xilinx LogiCORE PR Decoupler" - depends on FPGA_BRIDGE - depends on HAS_IOMEM - help - Say Y to enable drivers for Xilinx LogiCORE PR Decoupler - or Xilinx Dynamic Function eXchnage AIX Shutdown Manager. - The PR Decoupler exists in the FPGA fabric to isolate one - region of the FPGA from the busses while that region is - being reprogrammed during partial reconfig. - The Dynamic Function eXchange AXI shutdown manager prevents - AXI traffic from passing through the bridge. The controller - safely handles AXI4MM and AXI4-Lite interfaces on a - Reconfigurable Partition when it is undergoing dynamic - reconfiguration, preventing the system deadlock that can - occur if AXI transactions are interrupted by DFX. - config FPGA_REGION tristate "FPGA Region" depends on FPGA_BRIDGE @@ -146,14 +116,6 @@ config OF_FPGA_REGION overlay. source "drivers/fpga/dfl/Kconfig" - -config FPGA_MGR_ZYNQMP_FPGA - tristate "Xilinx ZynqMP FPGA" - depends on ZYNQMP_FIRMWARE || (!ZYNQMP_FIRMWARE && COMPILE_TEST) - help - FPGA manager driver support for Xilinx ZynqMP FPGAs. - This driver uses the processor configuration port(PCAP) - to configure the programmable logic(PL) through PS - on ZynqMP SoC. +source "drivers/fpga/xilinx/Kconfig" endif # FPGA diff --git a/drivers/fpga/Makefile b/drivers/fpga/Makefile index bda74e54ce390..0868c7c4264d8 100644 --- a/drivers/fpga/Makefile +++ b/drivers/fpga/Makefile @@ -15,9 +15,6 @@ obj-$(CONFIG_FPGA_MGR_SOCFPGA) += socfpga.o obj-$(CONFIG_FPGA_MGR_SOCFPGA_A10) += socfpga-a10.o obj-$(CONFIG_FPGA_MGR_STRATIX10_SOC) += stratix10-soc.o obj-$(CONFIG_FPGA_MGR_TS73XX) += ts73xx-fpga.o -obj-$(CONFIG_FPGA_MGR_XILINX_SPI) += xilinx-spi.o -obj-$(CONFIG_FPGA_MGR_ZYNQ_FPGA) += zynq-fpga.o -obj-$(CONFIG_FPGA_MGR_ZYNQMP_FPGA) += zynqmp-fpga.o obj-$(CONFIG_ALTERA_PR_IP_CORE) += altera-pr-ip-core.o obj-$(CONFIG_ALTERA_PR_IP_CORE_PLAT) += altera-pr-ip-core-plat.o @@ -25,10 +22,10 @@ obj-$(CONFIG_ALTERA_PR_IP_CORE_PLAT) += altera-pr-ip-core-plat.o obj-$(CONFIG_FPGA_BRIDGE) += fpga-bridge.o obj-$(CONFIG_SOCFPGA_FPGA_BRIDGE) += altera-hps2fpga.o altera-fpga2sdram.o obj-$(CONFIG_ALTERA_FREEZE_BRIDGE) += altera-freeze-bridge.o -obj-$(CONFIG_XILINX_PR_DECOUPLER) += xilinx-pr-decoupler.o # High Level Interfaces obj-$(CONFIG_FPGA_REGION) += fpga-region.o obj-$(CONFIG_OF_FPGA_REGION) += of-fpga-region.o obj-$(CONFIG_FPGA_DFL) += dfl/ +obj-$(CONFIG_FPGA_XILINX) += xilinx/ diff --git a/drivers/fpga/xilinx/Kconfig b/drivers/fpga/xilinx/Kconfig new file mode 100644 index 0000000000000..e016d450539a0 --- /dev/null +++ b/drivers/fpga/xilinx/Kconfig @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0-only + +config FPGA_XILINX + bool "Xilinx FPGAs" + default y + help + If you have a xilinx fpga, say Y. + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about xilinx fpgas. If you say Y, you will be asked + for your specific device in the following questions. + +if FPGA_XILINX + +config FPGA_MGR_ZYNQ_FPGA + tristate "Xilinx Zynq FPGA" + depends on ARCH_ZYNQ || COMPILE_TEST + help + FPGA manager driver support for Xilinx Zynq FPGAs. + +config FPGA_MGR_ZYNQMP_FPGA + tristate "Xilinx ZynqMP FPGA" + depends on ZYNQMP_FIRMWARE || (!ZYNQMP_FIRMWARE && COMPILE_TEST) + help + FPGA manager driver support for Xilinx ZynqMP FPGAs. + This driver uses the processor configuration port(PCAP) + to configure the programmable logic(PL) through PS + on ZynqMP SoC. + +config XILINX_PR_DECOUPLER + tristate "Xilinx LogiCORE PR Decoupler" + depends on FPGA_BRIDGE + depends on HAS_IOMEM + help + Say Y to enable drivers for Xilinx LogiCORE PR Decoupler + or Xilinx Dynamic Function eXchnage AIX Shutdown Manager. + The PR Decoupler exists in the FPGA fabric to isolate one + region of the FPGA from the busses while that region is + being reprogrammed during partial reconfig. + The Dynamic Function eXchange AXI shutdown manager prevents + AXI traffic from passing through the bridge. The controller + safely handles AXI4MM and AXI4-Lite interfaces on a + Reconfigurable Partition when it is undergoing dynamic + reconfiguration, preventing the system deadlock that can + occur if AXI transactions are interrupted by DFX. + +config FPGA_MGR_XILINX_SPI + tristate "Xilinx Configuration over Slave Serial (SPI)" + depends on SPI + help + FPGA manager driver support for Xilinx FPGA configuration + over slave serial interface. + +endif #FPGA_XILINX diff --git a/drivers/fpga/xilinx/Makefile b/drivers/fpga/xilinx/Makefile new file mode 100644 index 0000000000000..2361aa14eb549 --- /dev/null +++ b/drivers/fpga/xilinx/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0-only + +obj-$(CONFIG_XILINX_PR_DECOUPLER) += xilinx-pr-decoupler.o +obj-$(CONFIG_FPGA_MGR_XILINX_SPI) += xilinx-spi.o +obj-$(CONFIG_FPGA_MGR_ZYNQ_FPGA) += zynq-fpga.o +obj-$(CONFIG_FPGA_MGR_ZYNQMP_FPGA) += zynqmp-fpga.o diff --git a/drivers/fpga/xilinx-pr-decoupler.c b/drivers/fpga/xilinx/xilinx-pr-decoupler.c similarity index 100% rename from drivers/fpga/xilinx-pr-decoupler.c rename to drivers/fpga/xilinx/xilinx-pr-decoupler.c diff --git a/drivers/fpga/xilinx-spi.c b/drivers/fpga/xilinx/xilinx-spi.c similarity index 100% rename from drivers/fpga/xilinx-spi.c rename to drivers/fpga/xilinx/xilinx-spi.c diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/xilinx/zynq-fpga.c similarity index 100% rename from drivers/fpga/zynq-fpga.c rename to drivers/fpga/xilinx/zynq-fpga.c diff --git a/drivers/fpga/zynqmp-fpga.c b/drivers/fpga/xilinx/zynqmp-fpga.c similarity index 100% rename from drivers/fpga/zynqmp-fpga.c rename to drivers/fpga/xilinx/zynqmp-fpga.c