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8a8d24bd |
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03-Dec-2020 |
Simon Glass <sjg@chromium.org> |
dm: treewide: Rename ..._platdata variables to just ..._plat Try to maintain some consistency between these variables by using _plat as a suffix for them. Signed-off-by: Simon Glass <sjg@chromium.org> |
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83d290c5 |
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06-May-2018 |
Tom Rini <trini@konsulko.com> |
SPDX: Convert all of our single license tags to Linux Kernel style 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> |
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fc8523a1 |
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24-Jan-2018 |
Alexander Graf <agraf@csgraf.de> |
serial: bcm283x_mu: Remove support for post-init disabling We are switching to a model where a serial device doesn't even get probed when it's not muxed properly, so we don't need device specific disabling functionality anymore. Signed-off-by: Alexander Graf <agraf@suse.de> |
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601147b0 |
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15-Aug-2016 |
Alexander Graf <agraf@csgraf.de> |
serial: bcm283x_mu: Detect disabled serial device On the raspberry pi, you can disable the serial port to gain dynamic frequency scaling which can get handy at times. However, in such a configuration the serial controller gets its rx queue filled up with zero bytes which then happily get transmitted on to whoever calls getc() today. This patch adds detection logic for that case by checking whether the RX pin is mapped to GPIO15 and disables the mini uart if it is not mapped properly. That way we can leave the driver enabled in the tree and can determine during runtime whether serial is usable or not, having a single binary that allows for uart and non-uart operation. Signed-off-by: Alexander Graf <agraf@suse.de> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Reviewed-by: Simon Glass <sjg@chromium.org> |
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3917c269 |
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18-Mar-2016 |
Stephen Warren <swarren@wwwdotorg.org> |
serial: add BCM283x mini UART driver The RPi3 typically uses the regular UART for high-speed communication with the Bluetooth device, leaving us the mini UART to use for the serial console. Add support for this UART so we can use it. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> |
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83d290c5 |
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06-May-2018 |
Tom Rini <trini@konsulko.com> |
SPDX: Convert all of our single license tags to Linux Kernel style 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>
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fc8523a1 |
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24-Jan-2018 |
Alexander Graf <agraf@suse.de> |
serial: bcm283x_mu: Remove support for post-init disabling We are switching to a model where a serial device doesn't even get probed when it's not muxed properly, so we don't need device specific disabling functionality anymore. Signed-off-by: Alexander Graf <agraf@suse.de>
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601147b0 |
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15-Aug-2016 |
Alexander Graf <agraf@suse.de> |
serial: bcm283x_mu: Detect disabled serial device On the raspberry pi, you can disable the serial port to gain dynamic frequency scaling which can get handy at times. However, in such a configuration the serial controller gets its rx queue filled up with zero bytes which then happily get transmitted on to whoever calls getc() today. This patch adds detection logic for that case by checking whether the RX pin is mapped to GPIO15 and disables the mini uart if it is not mapped properly. That way we can leave the driver enabled in the tree and can determine during runtime whether serial is usable or not, having a single binary that allows for uart and non-uart operation. Signed-off-by: Alexander Graf <agraf@suse.de> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Reviewed-by: Simon Glass <sjg@chromium.org>
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3917c269 |
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18-Mar-2016 |
Stephen Warren <swarren@wwwdotorg.org> |
serial: add BCM283x mini UART driver The RPi3 typically uses the regular UART for high-speed communication with the Bluetooth device, leaving us the mini UART to use for the serial console. Add support for this UART so we can use it. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
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