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* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441Thomas Gleixner2019-06-051-5/+1
| | | | | | | | | | | | | | | | | | | | | Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation version 2 of the license extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 315 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Armijn Hemel <armijn@tjaldur.nl> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190531190115.503150771@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* x86/platform/intel-mid: Remove per platform codeAndy Shevchenko2018-07-031-29/+0
| | | | | | | | | | | | | | After custom TSC calibration gone, there is no more reason to have custom platform code for each of Intel MID. Thus, remove it for good. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Pavel Tatashin <pasha.tatashin@oracle.com> Link: https://lkml.kernel.org/r/20180629193113.84425-7-andriy.shevchenko@linux.intel.com
* x86/platform/intel-mid: Remove custom TSC calibrationAndy Shevchenko2018-07-031-14/+0
| | | | | | | | | | | | | | | | | | | | | | | | | Since the commit 7da7c1561366 ("x86, tsc: Add static (MSR) TSC calibration on Intel Atom SoCs") introduced a common way for all Intel MID chips to get their TSC frequency via MSRs, there is no need to keep a duplication in each of Intel MID platform code. Thus, remove the custom calibration code for good. Note, there is slight difference in how to get frequency for (reserved?) values in MSRs, i.e. legacy code enforces some defaults while new code just uses 0 in that cases. Suggested-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Pavel Tatashin <pasha.tatashin@oracle.com> Cc: Bin Gao <bin.gao@intel.com> Link: https://lkml.kernel.org/r/20180629193113.84425-6-andriy.shevchenko@linux.intel.com
* x86/platform/intel-mid: Make intel_scu_device_register() staticAndy Shevchenko2017-01-091-1/+0
| | | | | | | | | | | | | There is no need anymore to have intel_scu_device_register() exported. Annotate it with static keyword. While here, rename to intel_scu_ipc_device_register() to use same pattern for all SFI enumerated device register helpers. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: http://lkml.kernel.org/r/20170107123457.53033-1-andriy.shevchenko@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86/platform/intel-mid: Get rid of duplication of IPC handlerAndy Shevchenko2017-01-061-3/+1
| | | | | | | | | | | | | | | There is no other device handler than ipc_device_handler() and sfi.c already has a handler for IPC devices. Replace a pointer to custom handler by a flag. Due to this change adjust sfi_handle_ipc_dev() to handle it instead of ipc_device_handler(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20170105130235.177792-2-andriy.shevchenko@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
* x86/platform/intel-mid: Retrofit pci_platform_pm_ops ->get_state hookLukas Wunner2016-11-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit cc7cc02bada8 ("PCI: Query platform firmware for device power state") augmented struct pci_platform_pm_ops with a ->get_state hook and implemented it for acpi_pci_platform_pm, the only pci_platform_pm_ops existing till v4.7. However v4.8 introduced another pci_platform_pm_ops for Intel Mobile Internet Devices with commit 5823d0893ec2 ("x86/platform/intel-mid: Add Power Management Unit driver"). It is missing the ->get_state hook, which is fatal since pci_set_platform_pm() enforces its presence. Andy Shevchenko reports that without the present commit, such a device "crashes without even a character printed out on serial console and reboots (since watchdog)". Retrofit mid_pci_platform_pm with the missing callback to fix the breakage. Acked-and-tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Fixes: cc7cc02bada8 ("PCI: Query platform firmware for device power state") Signed-off-by: Lukas Wunner <lukas@wunner.de> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Cc: linux-pci@vger.kernel.org Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: http://lkml.kernel.org/r/7c1567d4c49303a4aada94ba16275cbf56b8976b.1477221514.git.lukas@wunner.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86/platform/intel-mid: Implement power off sequenceAndy Shevchenko2016-09-081-0/+2
| | | | | | | | | | | Tell SCU that we are about powering off the device. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20160907123955.21228-1-andriy.shevchenko@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
* x86/sfi: Enable enumeration of SD devicesAndy Shevchenko2016-07-131-0/+15
| | | | | | | | | | | | | | | SFI specification v0.8.2 defines type of devices which are connected to SD bus. In particularly WiFi dongle is a such. Add a callback to enumerate the devices connected to SD bus. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1468322192-62080-1-git-send-email-andriy.shevchenko@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
* x86/platform/intel-mid: Make vertical indentation consistentAndy Shevchenko2016-07-101-31/+34
| | | | | | | | | | | | | The vertical indentation is kinda chaotic in intel-mid.h. Let's be consistent with it. Suggested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1465992260-29897-1-git-send-email-andriy.shevchenko@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
* x86/platform/intel-mid: Add Power Management Unit driverAndy Shevchenko2016-06-151-0/+8
| | | | | | | | | | | | | | | | | | | | | Add Power Management Unit driver to handle power states of South Complex devices on Intel Tangier. In the future it might be expanded to cover North Complex devices as well. With this driver the power state of the host controllers such as SPI, I2C, UART, eMMC, and DMA would be managed. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: David Cohen <david.a.cohen@linux.intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-pci@vger.kernel.org Link: http://lkml.kernel.org/r/1465928985-12113-1-git-send-email-andriy.shevchenko@linux.intel.com [ Minor readability edits. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
* x86, intel-mid: remove Intel MID specific serial supportAndy Shevchenko2015-03-071-3/+0
| | | | | | | | | | | Since we have a native 8250 driver carrying the Intel MID serial devices the specific support is not needed anymore. This patch removes it for Intel MID. Note that the console device name is changed from ttyMFDx to ttySx. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* x86, mrst: remove Moorestown specific serial driversAndy Shevchenko2015-02-021-3/+0
| | | | | | | | | | | | | Intel Moorestown platform support was removed few years ago. This is a follow up which removes Moorestown specific code for the serial devices. It includes mrst_max3110 and earlyprintk bits. This was used on SFI (Medfield, Clovertrail) based platforms as well, though new ones use normal serial interface for the console service. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* x86, intel-mid: Add Merrifield platform supportDavid Cohen2014-01-151-0/+2
| | | | | | | | | | | This code was partially based on Mark Brown's previous work. Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Link: http://lkml.kernel.org/r/1387224459-25746-4-git-send-email-david.a.cohen@linux.intel.com Signed-off-by: Fei Yang <fei.yang@intel.com> Cc: Mark F. Brown <mark.f.brown@intel.com> Cc: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* x86, intel-mid: Add Clovertrail platform supportKuppuswamy Sathyanarayanan2014-01-151-2/+44
| | | | | | | | | | | This patch adds Clovertrail support on intel-mid and makes it more flexible to support other SoCs. Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Link: http://lkml.kernel.org/r/1387224459-25746-3-git-send-email-david.a.cohen@linux.intel.com Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Signed-off-by: Fei Yang <fei.yang@intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* intel_mid: Move platform device setups to their own platform_<device>.* filesDavid Cohen2013-10-181-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As Intel rolling out more SoC's after Moorestown, we need to re-structure the code in a way that is backward compatible and easy to expand. This patch implements a flexible way to support multiple boards and devices. This patch does not add any new functional support. It just refactors the existing code to increase the modularity and decrease the code duplication for supporting multiple soc's and boards. Currently intel-mid.c has both board and soc related code in one file. This patch moves the board related code to new files and let linker script to create SFI devite table following this: 1. Move the SFI device specific code to arch/x86/platform/intel-mid/device-libs/platform_<device>.* A new device file is added for every supported device. This code will get conditionally compiled by using corresponding device driver CONFIG option. 2. Move the device_ids location to .x86_intel_mid_dev.init section by using new sfi_device() macro. This patch was based on previous code from Sathyanarayanan Kuppuswamy. Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Link: http://lkml.kernel.org/r/1382049336-21316-13-git-send-email-david.a.cohen@linux.intel.com Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* intel_mid: Moved SFI related code to sfi.cKuppuswamy Sathyanarayanan2013-10-181-0/+1
| | | | | | | | | | | Moved SFI specific parsing/handling code to sfi.c. This will enable us to reuse our intel-mid code for platforms that supports firmware interfaces other than SFI (like ACPI). Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Link: http://lkml.kernel.org/r/1382049336-21316-10-git-send-email-david.a.cohen@linux.intel.com Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* intel_mid: Added custom handler for ipc devicesKuppuswamy Sathyanarayanan2013-10-181-0/+15
| | | | | | | | | | Added a custom handler for medfield based ipc devices and moved devs_id structure defintion to header file. Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Link: http://lkml.kernel.org/r/1382049336-21316-9-git-send-email-david.a.cohen@linux.intel.com Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* intel_mid: Renamed *mrst* to *intel_mid*Kuppuswamy Sathyanarayanan2013-10-181-13/+13
| | | | | | | | | | | | | | | | | | mrst is used as common name to represent all intel_mid type soc's. But moorsetwon is just one of the intel_mid soc. So renamed them to use intel_mid. This patch mainly renames the variables and related functions that uses *mrst* prefix with *intel_mid*. To ensure that there are no functional changes, I have compared the objdump of related files before and after rename and found the only difference is symbol and name changes. Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Link: http://lkml.kernel.org/r/1382049336-21316-6-git-send-email-david.a.cohen@linux.intel.com Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* intel_mid: Renamed *mrst* to *intel_mid*Kuppuswamy Sathyanarayanan2013-10-181-0/+81
Following files contains code that is common to all intel mid soc's. So renamed them as below. mrst/mrst.c -> intel-mid/intel-mid.c mrst/vrtc.c -> intel-mid/intel_mid_vrtc.c mrst/early_printk_mrst.c -> intel-mid/intel_mid_vrtc.c pci/mrst.c -> pci/intel_mid_pci.c Also, renamed the corresponding header files and made changes to the driver files that included these header files. To ensure that there are no functional changes, I have compared the objdump of renamed files before and after rename and found that the only difference is file name change. Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Link: http://lkml.kernel.org/r/1382049336-21316-4-git-send-email-david.a.cohen@linux.intel.com Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>