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>
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>
There is no need to call ioremap. Also reg pointer is completely unused in the driver. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Fix Kconfig alignment which should be <tab><space><space>. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Simon Glass <sjg@chromium.org>
In preparation of DM watchdog, move basic actions into drivers/watchdog Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
This IP can be found on Zynq and ZynqMP devices. The driver was tested with reset-on-timeout; feature. Also adding WATCHDOG symbol to Kconfig because it is required. Signed-off-by: Shreenidhi Shedi <imshedi@gmail.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Remove busy looping during watchdog reset.
Each polling of W_PEND_WTGR bit ("finish posted
write") after watchdog reset takes 120-140us
on BeagleBone Black board. Current U-Boot code
has watchdog resets in random places and often
there is situation when watchdog is reset
few times in a row in nested functions.
This adds extra delays and slows the whole system.
Instead of polling W_PEND_WTGR bit, we skip
watchdog reset if the bit is set. Anyway, watchdog
is in the middle of reset *right now*, so we can
just return.
This noticeably increases performance of the
system. Below are some measurements on BBB:
- DFU upload over USB 15% faster
- fastboot image upload 3x times faster
- USB ep0 transfers with 4k packets 20% faster
Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Tested-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Tested-by: Alex Kiernan <alex.kiernan@gmail.com>
Convert name to show explicitly that we are using milliseconds. For a watchdog timer this is precise enough. No functional change intended. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Add watchdog driver for Intel Tangier based platforms. 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>
The Orion watchdog can be found on some Marvell Armada chips. This driver is based on the code by Tomas Hlavacek in the CZ.NIC turris-omnia-uboot repository, which can be found at https://gitlab.labs.nic.cz/turris/turris-omnia-uboot, and that one is based on code by Sylver Bruneau. His code is already in mainline Linux kernel. The code uses the new driver model API. Signed-off-by: Tomas Hlavacek <tomas.hlavacek@nic.cz> Signed-off-by: Marek Behun <marek.behun@nic.cz> create mode 100644 drivers/watchdog/orion_wdt.c Signed-off-by: Stefan Roese <sr@denx.de>