summaryrefslogtreecommitdiff
path: root/arch/x86/cpu/tangier
AgeCommit message (Collapse)Author
2019-09-10x86: tangier: Fix off-by-one error when preparing CSRTAndy Shevchenko
Intel iDMA 32-bit controller has 17 bits for the maximum block size value. Due to nature of the binary number representation the maximum value is 2^17 - 1. The original code misses the latter part in equation. Fixes: 5e99fde34a77 ("x86: tangier: Populate CSRT for shared DMA controller") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-09-10x86: tangier: Reserve PCI ECAM in motherboard resourcesAndy Shevchenko
Per PCI firmware specification the ACPI has to reserve the memory which is defined as PCI ECAM. Fixes: 39665beed6f7 ("x86: tangier: Enable ACPI support for Intel Tangier") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-08-09x86: tangier: Populate CSRT for shared DMA controllerAndy Shevchenko
Intel Tangier has a shared DMA controller that, according to Microsoft spec, has to be presented in CSRT table. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-06-22watchdog: tangier: Convert to use WDT classAndy Shevchenko
Convert legacy driver to use watchdog class. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Stefan Roese <sr@denx.de>
2018-11-14sysreset: Remove DM_FLAG_PRE_RELOC flag in various driversBin Meng
When a driver declares DM_FLAG_PRE_RELOC flag, it wishes to be bound before relocation. However due to a bug in the DM core, the flag only takes effect when devices are statically declared via U_BOOT_DEVICE(). This bug has been fixed recently by commit "dm: core: Respect drivers with the DM_FLAG_PRE_RELOC flag in lists_bind_fdt()", but with the fix, it has a side effect that all existing drivers that declared DM_FLAG_PRE_RELOC flag will be bound before relocation now. This may expose potential boot failure on some boards due to insufficient memory during the pre-relocation stage. To mitigate this potential impact, the following changes are implemented: - Remove DM_FLAG_PRE_RELOC flag in the driver, if the driver only supports configuration from device tree (OF_CONTROL) - Keep DM_FLAG_PRE_RELOC flag in the driver only if the device is statically declared via U_BOOT_DEVICE() - Surround DM_FLAG_PRE_RELOC flag with OF_CONTROL check, for drivers that support both statically declared devices and configuration from device tree Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2018-09-17x86: tangier: pinmux: add API to configure protected pinsGeorgii Staroselskii
This API is going to be used to configure some pins that are protected for simple modification. It's not a comprehensive pinctrl driver but can be turned into one when we need this in the future. Now it is planned to be used only in one place. So that's why I decided not to pollute the codebase with a full-blown pinctrl-merrifield nobody will use. This driver reads corresponding fields in DT and configures pins accordingly. The "protected" flag is used to distinguish configuration of SCU-owned pins from the ordinary ones. The code has been adapted from Linux work done by Andy Shevchenko in pinctrl-merrfifield.c Signed-off-by: Georgii Staroselskii <georgii.staroselskii@emlid.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> [bmeng: fix build warning] Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
2018-07-20x86: Switch to use DM sysreset driverBin Meng
This converts all x86 boards over to DM sysreset. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-07-20x86: tangier: Add a sysreset driverBin Meng
This adds a reset driver for tangier processor. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2018-05-07SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2018-04-27Remove unnecessary instances of DECLARE_GLOBAL_DATA_PTRTom Rini
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
2018-04-16x86: Rename e820entry to e820_entryBin Meng
This changes 'struct e820entry' to 'struct e820_entry' to conform with the coding style. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2018-04-16x86: Use 'unsigned int' in install_e820_map() functionsBin Meng
This fixes the following checkpatch warning: warning: Prefer 'unsigned int' to bare use of 'unsigned' Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2017-10-07x86: tangier: Enable ACPI support for Intel TangierAndy Shevchenko
Intel Tangier SoC is a part of Intel Merrifield platform which doesn't utilize ACPI by default. Here is an attempt to unleash ACPI flexibility power on Intel Merrifield based platforms. The change brings minimum support of the devices that found on Intel Merrifield based end user device. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-10-04treewide: replace with error() with pr_err()Masahiro Yamada
U-Boot widely uses error() as a bit noisier variant of printf(). This macro causes name conflict with the following line in include/linux/compiler-gcc.h: # define __compiletime_error(message) __attribute__((error(message))) This prevents us from using __compiletime_error(), and makes it difficult to fully sync BUILD_BUG macros with Linux. (Notice Linux's BUILD_BUG_ON_MSG is implemented by using compiletime_assert().) Let's convert error() into now treewide-available pr_err(). Done with the help of Coccinelle, excluing tools/ directory. The semantic patch I used is as follows: // <smpl> @@@@ -error +pr_err (...) // </smpl> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org> [trini: Re-run Coccinelle] Signed-off-by: Tom Rini <trini@konsulko.com>
2017-08-24x86: tangier: kconfig: Guard tangier-specific optionsBin Meng
These options should not be exposed to other platforms. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-08-01x86: kconfig: Move USB to platform KconfigBin Meng
Like other peripheral drivers, move USB related drivers to platform Kconfig as well. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2017-08-01x86: tangier: kconfig: Imply platform specific driversBin Meng
Imply Tangier-specific drivers in the platform Kconfig. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2017-07-30x86: Add Intel Edison board filesAndy Shevchenko
Add Intel Edison board which is using U-Boot. The patch is based on work done by the following people (in alphabetical order): Aiden Park <aiden.park@intel.com> Dukjoon Jeon <dukjoon.jeon@intel.com> eric.park <eric.park@intel.com> Fabien Chereau <fabien.chereau@intel.com> Felipe Balbi <felipe.balbi@linux.intel.com> Scott D Phillips <scott.d.phillips@intel.com> Sebastien Colleur <sebastienx.colleur@intel.com> Steve Sakoman <steve.sakoman@intel.com> Vincent Tinelli <vincent.tinelli@intel.com> In case we're building for Intel Edison, we must have 4096 bytes of zeroes in the beginning on u-boot.bin. This is done in board/intel/edison/config.mk. First run sets hardware_id environment variable which is read from System Controller Unit (SCU). Serial number (serial# environment variable) is generated based on eMMC CID. MAC address on USB network interface is unique to the board but kept the same all over the time. Set mac address from U-Boot using following scheme: OUI = 02:00:86 next 3 bytes of MAC address set from eMMC serial number This allows to have a unique mac address across reboot and flashing. Signed-off-by: Vincent Tinelli <vincent.tinelli@intel.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> [bmeng: Add MAINTAINERS file for Intel Edison board] Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
2017-07-30x86: Add Intel Tangier supportFelipe Balbi
Add Intel Tangier SoC support. Intel Tangier SoC is a core part of Intel Merrifield platform. For example, Intel Edison board is based on such platform. The patch is based on work done by the following people (in alphabetical order): Aiden Park <aiden.park@intel.com> Dukjoon Jeon <dukjoon.jeon@intel.com> eric.park <eric.park@intel.com> Fabien Chereau <fabien.chereau@intel.com> Scott D Phillips <scott.d.phillips@intel.com> Sebastien Colleur <sebastienx.colleur@intel.com> Steve Sakoman <steve.sakoman@intel.com> Vincent Tinelli <vincent.tinelli@intel.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Signed-off-by: Vincent Tinelli <vincent.tinelli@intel.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>