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* ata: ahci: Add DWC AHCI SATA controller supportSerge Semin2022-09-171-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Synopsys AHCI SATA controller can work pretty under with the generic AHCI-platform driver control. But there are vendor-specific peculiarities which can tune the device performance up and which may need to be fixed up for proper device functioning. In addition some DWC AHCI-based controllers may require small platform-specific fixups, so adding them in the generic AHCI driver would have ruined the code simplicity. Shortly speaking in order to keep the generic AHCI-platform code clean and have DWC AHCI SATA-specific features supported we suggest to add a dedicated DWC AHCI SATA device driver. Aside with the standard AHCI-platform resources getting, enabling/disabling and the controller registration the new driver performs the next actions. First of all there is a way to verify whether the HBA/ports capabilities activated in OF are correct. Almost all features availability is reflected in the vendor-specific parameters registers. So the DWC AHCI driver does the capabilities sanity check based on the corresponding fields state. Secondly if either the Command Completion Coalescing or the Device Sleep feature is enabled the DWC AHCI-specific internal 1ms timer must be fixed in accordance with the application clock signal frequency. In particular the timer value must be set to be Fapp * 1000. Normally the SoC designers pre-configure the TIMER1MS register to contain a correct value by default. But the platforms can support the application clock rate change. If that happens the 1ms timer value must be accordingly updated otherwise the dependent features won't work as expected. In the DWC AHCI driver we suggest to rely on the "aclk" reference clock rate to set the timer interval up. That clock source is supposed to be the AHCI SATA application clock in accordance with the DT bindings. Finally DWC AHCI SATA controller AXI/AHB bus DMA-engine can be tuned up to transfer up to 1024 * FIFO words at a time by setting the Tx/Rx transaction size in the DMA control register. The maximum value depends on the DMA data bus and AXI/AHB bus maximum burst length. In most of the cases it's better to set the maximum possible value to reach the best AHCI SATA controller performance. But sometimes in order to improve the system interconnect responsiveness, transferring in smaller data chunks may be more preferable. For such cases and for the case when the default value doesn't provide the best DMA bus performance we suggest to use the new HBA-port specific DT-properties "snps,{tx,rx}-ts-max" to tune the DMA transactions size up. After all the settings denoted above are handled the DWC AHCI SATA driver proceeds further with the standard AHCI-platform host initializations. Note since DWC AHCI controller is now have a dedicated driver we can discard the corresponding compatible string from the ahci-platform.c module. The same concerns "snps,spear-ahci" compatible string, which is also based on the DWC AHCI IP-core. Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
* ata: start separating SATA specific code from libata-core.cBartlomiej Zolnierkiewicz2020-03-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Start separating SATA specific code from libata-core.c: * move following functions to libata-sata.c: - ata_tf_to_fis() - ata_tf_from_fis() - sata_link_scr_lpm() - ata_slave_link_init() - sata_lpm_ignore_phy_events() * group above functions together in <linux/libata.h> * include libata-sata.c in the build when CONFIG_SATA_HOST=y Code size savings on m68k arch using (modified) atari_defconfig: text data bss dec hex filename before: 37582 572 40 38194 9532 drivers/ata/libata-core.o after: 36762 572 40 37374 91fe drivers/ata/libata-core.o Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* ata: separate PATA timings code from libata-core.cBartlomiej Zolnierkiewicz2020-03-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Separate PATA timings code from libata-core.c: * add PATA_TIMINGS config option and make corresponding PATA host drivers (and ATA ACPI code) select it * move following PATA timings code to libata-pata-timings.c: - ata_timing_quantize() - ata_timing_merge() - ata_timing_find_mode() - ata_timing_compute() * group above functions together in <linux/libata.h> * include libata-pata-timings.c in the build when PATA_TIMINGS config option is enabled * cover ata_timing_cycle2mode() with CONFIG_ATA_ACPI ifdef (it depends on code from libata-core.c and libata-pata-timings.c while its only user is ATA ACPI) Code size savings on m68k arch using (modified) atari_defconfig: text data bss dec hex filename before: 39688 573 40 40301 9d6d drivers/ata/libata-core.o after: 37820 572 40 38432 9620 drivers/ata/libata-core.o Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* ata: add Buddha PATA controller driverBartlomiej Zolnierkiewicz2019-02-081-0/+1
| | | | | | | | | | | | | | | Add Buddha PATA controller driver. It enables libata support for the Buddha, Catweasel and X-Surf expansion boards on the Zorro expansion bus. Module removal is currently unsupported (the old IDE's buddha driver also doesn't support it). Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Michael Schmitz <schmitzmic@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* Merge branch 'for-4.17' of ↵Linus Torvalds2018-04-031-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata updates from Tejun Heo: "Nothing too interesting. The biggest change is refcnting fix for ata_host - the bug is recent and can only be triggered on controller hotplug, so very few are hitting it. There also are a number of trivial license / error message changes and some hardware specific changes" * 'for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (23 commits) ahci: imx: add the imx8qm ahci sata support libata: ensure host is free'd on error exit paths ata: ahci-platform: add reset control support ahci: imx: fix the build warning ata: add Amiga Gayle PATA controller driver ahci: imx: add the imx6qp ahci sata support ata: change Tegra124 to Tegra ata: ahci_tegra: Add AHCI support for Tegra210 ata: ahci_tegra: disable DIPM ata: ahci_tegra: disable devslp for Tegra124 ata: ahci_tegra: initialize regulators from soc struct ata: ahci_tegra: Update initialization sequence dt-bindings: Tegra210: add binding documentation libata: add refcounting to ata_host pata_bk3710: clarify license version and use SPDX header pata_falcon: clarify license version and use SPDX header pata_it821x: Delete an error message for a failed memory allocation in it821x_firmware_command() pata_macio: Delete an error message for a failed memory allocation in two functions pata_mpc52xx: Delete an error message for a failed memory allocation in mpc52xx_ata_probe() sata_dwc_460ex: Delete an error message for a failed memory allocation in sata_dwc_port_start() ...
| * ata: add Amiga Gayle PATA controller driverBartlomiej Zolnierkiewicz2018-03-191-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add Amiga Gayle PATA controller driver. It enables libata support for the on-board IDE interfaces on some Amiga models (A600, A1200, A4000 and A4000T) and also for IDE interfaces on the Zorro expansion bus (M-Tech E-Matrix 530 expansion card). Thanks to John Paul Adrian Glaubitz and Michael Schmitz for help with testing the driver. Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Michael Schmitz <schmitzmic@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Philippe Ombredanne <pombredanne@nexb.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* | ata: remove bf54x driverArnd Bergmann2018-03-261-1/+0
|/ | | | | | | | The blackfin architecture is getting removed, so this driver is obsolete as well. Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* ata: remove pata_at32Corentin Labbe2018-01-181-1/+0
| | | | | | | | Since AVR32 was removed, pata_at32 is unselectable/uncompilable. Remove this driver. Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman2017-11-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* ata: mediatek: add support for MediaTek SATA controllerRyder Lee2017-08-281-0/+1
| | | | | | | | | This adds support the AHCI-compliant Serial ATA controller present on MediaTek SoCs. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: Add driver for Faraday Technology FTIDE010Linus Walleij2017-06-121-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds a driver for the Faraday Technology FTIDE010 PATA IP block. When used with the Storlink/Storm/Cortina Systems Gemini SoC, the PATA interface is accompanied by a PATA<->SATA bridge, so while the device appear as a PATA controller, it attaches physically to SATA disks, and also has a designated memory area with registers to set up the bridge. The Gemini SATA bridge is separated into its own driver file to make things modular and make it possible to reuse the PATA driver as stand-alone on other systems than the Gemini. dmesg excerpt from the D-Link DIR-685 storage router: gemini-sata-bridge 46000000.sata: SATA ID 00000e00, PHY ID: 01000100 gemini-sata-bridge 46000000.sata: set up the Gemini IDE/SATA nexus ftide010 63000000.ata: set up Gemini PATA0 ftide010 63000000.ata: device ID 00000500, irq 26, io base 0x63000000 ftide010 63000000.ata: SATA0 (master) start gemini-sata-bridge 46000000.sata: SATA0 PHY ready scsi host0: pata-ftide010 ata1: PATA max UDMA/133 irq 26 ata1.00: ATA-8: INTEL SSDSA2CW120G3, 4PC10302, max UDMA/133 ata1.00: 234441648 sectors, multi 1: LBA48 NCQ (depth 0/32) ata1.00: configured for UDMA/133 scsi 0:0:0:0: Direct-Access ATA INTEL SSDSA2CW12 0302 PQ: 0 ANSI: 5 ata1.00: Enabling discard_zeroes_data sd 0:0:0:0: [sda] 234441648 512-byte logical blocks: (120 GB/112 GiB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA ata1.00: Enabling discard_zeroes_data ata1.00: Enabling discard_zeroes_data sd 0:0:0:0: [sda] Attached SCSI disk After this I can flawlessly mount and read/write copy etc files from /dev/sda[n]. Cc: John Feng-Hsin Chiang <john453@faraday-tech.com> Cc: Greentime Hu <green.hu@gmail.com> Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* Merge tag 'armsoc-drivers' of ↵Linus Torvalds2017-05-091-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC driver updates from Olof Johansson: "Driver updates for ARM SoCs: Reset subsystem, merged through arm-soc by tradition: - Make bool drivers explicitly non-modular - New support for i.MX7 and Arria10 reset controllers PATA driver for Palmchip BK371 (acked by Tejun) Power domain drivers for i.MX (GPC, GPCv2) - Moved out of mach-imx for GPC - Bunch of tweaks, fixes, etc PMC support for Tegra186 SoC detection support for Renesas RZ/G1H and RZ/G1N Move Tegra flow controller driver from mach directory to drivers/soc - (Power management / CPU power driver) Misc smaller tweaks for other platforms" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits) soc: pm-domain: Fix the mangled urls soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0 soc: renesas: rcar-sysc: Add support for fixing up power area tables soc: renesas: Register SoC device early soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver dt-bindings: imx-gpc: add i.MX6 QuadPlus compatible soc: imx: gpc: add defines for domain index soc: imx: Add GPCv2 power gating driver dt-bindings: Add GPCv2 power gating driver ARM/clk: move the ICST library to drivers/clk ARM: plat-versatile: remove stale clock header ARM: keystone: Drop PM domain support for k2g soc: ti: Add ti_sci_pm_domains driver dt-bindings: Add TI SCI PM Domains PM / Domains: Do not check if simple providers have phandle cells PM / Domains: Add generic data pointer to genpd data struct soc/tegra: Add initial flowctrl support for Tegra132/210 soc/tegra: flowctrl: Add basic platform driver soc/tegra: Move Tegra flowctrl driver ARM: tegra: Remove unnecessary inclusion of flowctrl header ...
| * ata: add Palmchip BK3710 PATA controller driverBartlomiej Zolnierkiewicz2017-03-301-0/+1
| | | | | | | | | | | | | | | | | | Add Palmchip BK3710 PATA controller driver. Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
* | ata: ahci: add support for DaVinci DM816 SATA controllerBartosz Golaszewski2017-03-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | This SATA controller is quite similar to the one present on the DA850 SoC, but the PHY configuration is different and it supports two HBA ports. The IP suffers from the same PMP issue the DA850 does - if we enable PMP but don't use it - softreset fails. Appropriate workaround was implemented in this driver as well. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* | pata: remove the at91 driverBoris Brezillon2017-03-161-1/+0
|/ | | | | | | | | | | | This driver is orphan since commit b2026f708e09 ("ARM: at91: remove at91sam9260/at91sam9g20 legacy board support"). Given that nobody cared adding DT support to it, it probably means it's no longer used and is thus a good candidate for removal. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: add Atari Falcon PATA controller driverBartlomiej Zolnierkiewicz2017-01-101-0/+1
| | | | | | | | | | | | Add Atari Falcon PATA controller driver. The major difference when compared to legacy IDE's falconide host driver is that we are using polled PIO mode and thus avoiding the need for STDMA locking magic altogether. Tested under ARAnyM emulator. Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: ahci_brcmstb: rename to support across Broadcom SoC'sYendapally Reddy Dhananjaya Reddy2016-06-161-1/+1
| | | | | | | | | Rename the existing Broadcom STB ahci driver to common Broadcom SATA3 driver to share this across Broadcom SoCs. Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: add AMD Seattle platform driverBrijesh Singh2016-04-131-0/+1
| | | | | | | | | | | | | | | | | | AMD Seattle SATA controller mostly conforms to AHCI interface with some special register to control SGPIO interface. In the case of an AHCI controller, the SGPIO feature is ideally implemented using the "Enclosure Management" register of the AHCI controller, but those registeres are not implemented in the Seattle SoC. Instead SoC (Rev B0 onwards) provides a 32-bit SGPIO control register which should be programmed to control the activity, locate and fault LEDs. The driver is based on ahci_platform driver. Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Acked-by: Hans de Goede <hdegoede@redhat.com> CC: tj@kernel.org CC: linux-ide@vger.kernel.org Signed-off-by: Tejun Heo <tj@kernel.org>
* libata: support AHCI on OCTEON platformAleksey Makarov2016-02-111-0/+1
| | | | | | | | | | | | | The OCTEON SATA controller is currently found on cn71XX devices. Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Vinita Gupta <vgupta@caviumnetworks.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ahci: added a new driver for supporting Freescale AHCI sataTang Yuantian2015-09-081-0/+1
| | | | | | | | | | | | | | Currently Freescale QorIQ series SATA is supported by ahci_platform driver. Some SoC specific settings have been put in uboot. So whether SATA works or not heavily depends on uboot. This patch will add a new driver to support QorIQ sata which removes the dependency on any other boot loader. Freescale QorIQ series sata, like ls1021a ls2085a ls1043a, is compatible with serial ATA 3.0 and AHCI 1.3 specification. Signed-off-by: Yuantian Tang <Yuantian.Tang@freescale.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* drivers: ata: add support for Ceva sata host controllerSuneel Garapati2015-06-101-0/+1
| | | | | | | | | Adds support for Ceva sata host controller on Xilinx Zynq UltraScale+ MPSoC. Signed-off-by: Suneel Garapati <suneel.garapati@xilinx.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: add Broadcom AHCI SATA3 driver for STB chipsBrian Norris2015-05-241-0/+1
| | | | | | | | Pretty straightforward driver, using the nice library-ization of the generic ahci_platform driver. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* Remove celleb-only SCC PATA driversDaniel Axtens2015-04-141-1/+0
| | | | | | | | | | | | | | | | The SCC PATA interface is only used by celleb. celleb has been dropped [1], so drop the drivers. [1] http://patchwork.ozlabs.org/patch/451730/ CC: "David S. Miller" <davem@davemloft.net> CC: linux-ide@vger.kernel.org CC: Valentin Rothberg <valentinrothberg@gmail.com> CC: mpe@ellerman.id.au CC: linuxppc-dev@lists.ozlab.org Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Daniel Axtens <dja@axtens.net> Signed-off-by: Tejun Heo <tj@kernel.org>
* libata: Add tracepointsHannes Reinecke2015-03-271-1/+2
| | | | | | | | Add some tracepoints for ata_qc_issue, ata_qc_complete, and ata_eh_link_autopsy. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: Add support for the Tegra124 SATA controllerMikko Perttunen2014-07-181-0/+1
| | | | | | | | | This adds support for the integrated AHCI-compliant Serial ATA controller present on the NVIDIA Tegra124 system-on-chip. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: ahci_mvebu: new driver for Marvell Armada 380 AHCI interfacesThomas Petazzoni2014-05-041-0/+1
| | | | | | | | | | | | The Marvell Armada 380 SoC includes two AHCI compatible interfaces. However, like all DMA-capable Marvell interface, they require special handling to configure MBus windows. Therefore, this commit adds a new ahci_mvebu driver, which relies on the libahci_platform.c code recently introduced. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: add new-style AHCI platform driver for DaVinci DA850 AHCI controllerBartlomiej Zolnierkiewicz2014-03-251-0/+1
| | | | | | | | | | | | | | | | | | Add the new ahci_da850 host driver. Platform changes needed to make DaVinci DA850 SATA AHCI support fully functional are in the separate "ARM: davinci: da850: update SATA AHCI support" commit. Please note that this driver doesn't have the superfluous clock control code as clock is already handled by the generic AHCI platform library code. Cc: Sekhar Nori <nsekhar@ti.com> Cc: Kevin Hilman <khilman@deeprootsystems.com> Cc: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: move library code from ahci_platform.c to libahci_platform.cBartlomiej Zolnierkiewicz2014-03-251-5/+5
| | | | | | | | | | Move AHCI platform library code from ahci_platform.c to libahci_platform.c and fix dependencies for ahci_st, ahci_imx and ahci_sunxi drivers. Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: Add APM X-Gene SoC AHCI SATA host controller driverLoc Ho2014-03-171-0/+1
| | | | | | | | | | | | This patch adds support for the APM X-Gene SoC AHCI SATA host controller driver. It requires the corresponding APM X-Gene SoC PHY driver. This initial version only supports Gen3 speed. Signed-off-by: Loc Ho <lho@apm.com> Signed-off-by: Tuan Phan <tphan@apm.com> Signed-off-by: Suman Tripathi <stripathi@apm.com> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ata: ahci_st: build fixesBartlomiej Zolnierkiewicz2014-03-141-1/+1
| | | | | | | | | | | | * The config option for ahci_st driver was renamed from CONFIG_SATA_AHCI_ST to CONFIG_AHCI_ST but Makefile was not updated. Fix it (also while at it move the ahci_st driver entry below ahci_imx and ahci_sunxi ones). * Fix a few build issues in the ahci_st driver itself. Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ahci: st: Add support for ST's SATA IPLee Jones2014-03-141-0/+1
| | | | | | Acked-by: Alexandre Torgue <alexandre.torgue@st.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Tejun Heo <tj@kernel.org>
* ARM: sunxi: Add support for Allwinner SUNXi SoCs sata to ahci_platformOlliver Schinagl2014-02-221-0/+1
| | | | | | | | | | | | | | | | | This patch adds support for the ahci sata controler found on Allwinner A10 and A20 SoCs to the ahci_platform driver. Orignally written by Olliver Schinagl using the approach of having a platform device which probe method creates a new child platform device which gets driven by ahci_platform.c, as done by ahci_imx.c . Refactored by Hans de Goede to add most of the non sunxi specific functionality to ahci_platform.c and use a platform_data pointer from of_device_id for the sunxi specific bits. Signed-off-by: Olliver Schinagl <oliver@schinagl.nl> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org>
* ahci_imx: add ahci sata support on imx platformsRichard Zhu2013-07-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | imx6q contains one Synopsys AHCI SATA controller, But it can't share ahci_platform driver with other controllers because there are some misalignments of the generic AHCI controller - the bits definitions of the HBA registers, the Vendor Specific registers, the AHCI PHY clock and the AHCI signals adjustment window(GPR13 register). - CAP_SSS(bit20) of the HOST_CAP is writable, default value is '0', should be configured to be '1' - bit0 (only one AHCI SATA port on imx6q) of the HOST_PORTS_IMPL should be set to be '1'.(default 0) - One Vendor Specific register HOST_TIMER1MS(offset:0xe0) should be configured regarding to the frequency of AHB bus clock. - Configurations of the AHCI PHY clock, and the signal parameters of the GPR13 Setup its own ahci sata driver, contained the imx6q specific initialized codes, re-use the generic ahci_platform driver, and keep the generic ahci_platform driver clean as much as possible. tj: patch description reformatted Signed-off-by: Richard Zhu <r65037@freescale.com> Reviewed-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Tejun Heo <tj@kernel.org>
* libata: add R-Car SATA driverVladimir Barinov2013-02-201-0/+1
| | | | | | | | | Add Renesas R-Car on-chip 3Gbps SATA controller driver. Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> [Sergei: few bugs fixed, significant cleanup] Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* libata: identify and init ZPODD devicesAaron Lu2013-01-211-0/+1
| | | | | | | | | | | | | | | | | | | The ODD can be enabled for ZPODD if the following three conditions are satisfied: 1 The ODD supports device attention; 2 The platform can runtime power off the ODD through ACPI; 3 The ODD is either slot type or drawer type. For such ODDs, zpodd_init is called and a new structure is allocated for it to store ZPODD related stuffs. And the zpodd_dev_enabled function is used to test if ZPODD is currently enabled for this ODD. A new config CONFIG_SATA_ZPODD is added to selectively build ZPODD code. Signed-off-by: Aaron Lu <aaron.lu@intel.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* [libata] Makefile: Fix build error in sata_highbankMark Langsdorf2012-10-011-1/+1
| | | | | | | Allow sata_highbank to build even if no other users of libahci.o are built. Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ata: add platform driver for Calxeda AHCI controllerMark Langsdorf2012-09-131-0/+1
| | | | | | | | | | | | | | Calxeda highbank SATA phy has intermittent problems bringing up a link with Gen3 drives. Retrying the phy hard reset can work-around this issue, but each reset also disables spread spectrum support. The reset function also needs to reprogram the phy to enable spread spectrum support. Create a new driver based on ahci_platform to support the Calxeda Highbank SATA controller. Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com> Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* PATA host controller driver for ep93xxRafal Prylowski2012-05-221-0/+1
| | | | | | | | | | | | Add PATA host controller driver for ep93xx. Signed-off-by: Rafal Prylowski <prylowski@metasoft.pl> Cc: Joao Ramos <joao.ramos@inov.pt> Cc: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ryan Mallon <rmallon@gmail.com> Cc: Sergei Shtylyov <sshtylyov@mvista.com> Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* libata: remove no longer needed pata_qdi driverBartlomiej Zolnierkiewicz2011-10-141-1/+0
| | | | | | | | | | | | QDI65x0 controllers are fully supported by pata_legacy driver so remove no longer needed pata_qdi driver. Leave PATA_QDI config option for compatibility reasons and teach pata_legacy to preserve the old behavior of pata_qdi driver. Acked-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ata: Add iMX pata supportArnaud Patard (Rtp)2011-08-181-0/+1
| | | | | | | | | | | | | | | | | | | | | | Add basic support for pata on iMX. It has been tested only on imx51. SDMA support will probably be added later so this version supports only PIO. v2: - enable only when needed IORDY - use dev_get_drvdata v3: - add missing clk_put() calls - use platform_get_irq() - fix resume code to avoid disabling IORDY on resume v4: - Remove EXPERIMENTAL and switch to depends on ARCH_MXC - Use devm_kzalloc() - make clock a must-have - Use only 1 ioremap Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* pata_arasan_cf: Adding support for arasan compact flash host controllerViresh Kumar2011-03-141-0/+1
| | | | | | | | | | | The Arasan CompactFlash Device Controller has three basic modes of operation: PC card ATA using I/O mode, PC card ATA using memory mode, PC card ATA using true IDE modes. Currently driver supports only True IDE mode. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [libata] new driver acard_ahci, for ATP8620 host controllerDavid Milburn2011-01-051-0/+1
| | | | | | | | | Add support for Acard ATP8620 host controller. Based upon initial version by Jeff Garzik. Signed-off-by: David Milburn <dmilburn@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* pata_mpc52xx: driver needs BMDMAWolfram Sang2010-12-241-1/+1
| | | | | | | | | | | | | | Found by this build-error if BMDMA is disabled: drivers/ata/pata_mpc52xx.c: In function 'mpc52xx_ata_init_one': drivers/ata/pata_mpc52xx.c:662: error: 'ata_bmdma_interrupt' undeclared (first use in this function) ... Move the Kconfig entry to the proper location as needed since 9a7780c9acb821fe1c2b6fc53f74cc2556ff5364 (libata-sff: make BMDMA optional) Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* Drivers: ata: Makefile: replace the use of <module>-objs with <module>-yTracey Dent2010-10-211-1/+1
| | | | | | | Changed <module>-objs to <module>-y in Makefile. Signed-off-by: Tracey Dent <tdent48227@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* [libata] Add ATA transport classGwendal Grignou2010-10-211-1/+1
| | | | | | | | | | | | This is a scheleton for libata transport class. All information is read only, exporting information from libata: - ata_port class: one per ATA port - ata_link class: one per ATA port or 15 for SATA Port Multiplier - ata_device class: up to 2 for PATA link, usually one for SATA. Signed-off-by: Gwendal Grignou <gwendal@google.com> Reviewed-by: Grant Grundler <grundler@google.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* libata: remove no longer needed pata_winbond driverBartlomiej Zolnierkiewicz2010-08-251-1/+0
| | | | | | | | | | | | Winbond W83759A controller is fully supported by pata_legacy driver so remove no longer needed pata_winbond driver. Leave PATA_WINBOND_VLB config option for compatibility reasons and teach pata_legacy to preserve the old behavior of pata_winbond driver. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* Merge branches 'master' and 'devel' into for-linusRussell King2010-08-101-0/+2
|\ | | | | | | | | | | Conflicts: arch/arm/Kconfig arch/arm/mm/Kconfig
| * [ARM] pata_pxa: DMA-capable PATA driverMarek Vasut2010-06-181-0/+2
| | | | | | | | | | | | | | | | | | | | This patch adds a driver for a harddrive attached to PXA address and data bus. Unlike pata_platform, this driver allows usage of PXA DMA controller, making the transmission speed 3x higher. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Acked-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
* | [libata] Add Samsung PATA controller driver, pata_samsung_cfAbhilash Kesavan2010-08-011-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Adds support for the Samsung PATA controller. This driver is based on the Libata subsystem and references the earlier patches sent for IDE subsystem. Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Cc: Ben Dooks <ben-linux@fluff.org> Acked-by: Sergei Shtylyov <sshtylyov@mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | [libata] Add 460EX on-chip SATA driver, sata_dwc_460exRupjyoti Sarmah2010-08-011-0/+1
|/ | | | | | | | | | This patch enables the on-chip DWC SATA controller of the AppliedMicro processor 460EX. Signed-off-by: Rupjyoti Sarmah <rsarmah@appliedmicro.com> Signed-off-by: Mark Miesfeld <mmiesfeld@appliedmicro.com> Signed-off-by: Prodyut Hazarika <phazarika@appliedmicro.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 12:24:35 +0000