u-boot/arch/arm/dts/ste-dbx5x0-u-boot.dtsi
Stephan Gerhold 689088f9da arm: Add support for ST-Ericsson U8500 SoC
The NovaThor U8500 SoC was released by ST-Ericsson in 2011.
It was used for some development boards like the CALAO Systems
Snowball SBC, but mass production was primarily for Android
smartphones like the Samsung Galaxy S III mini.

Previous support for U8500 was removed in
commit 68282f55b8 ("arm: Remove unused ST-Ericsson u8500 arch")
since none of the boards were converted to generic boards
before the deadline.

The new code does not have much in common with the previous code.
I have completely rewritten everything, embracing the Driver Model
and device trees wherever possible.

The U8500 support is a bit more minimal for now - my primary
use case is to use U-Boot as alternative bootloader for some of the
U8500 Samsung smartphones. At the moment U-Boot is chain-loaded from
the original Samsung bootloader. A side effect of this is that we
can (temporarily) get away without implementing some functionality
- e.g. all clocks are already enabled by the original bootloader.

More functionality will be added in future patches.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: John Rigby <john.rigby@linaro.org>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2020-01-22 17:47:57 -05:00

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// SPDX-License-Identifier: GPL-2.0-or-later
#include "skeleton.dtsi"
#include "ste-dbx5x0.dtsi"
/ {
soc {
/* FIXME: Remove this when clk driver is implemented */
mtu@a03c6000 {
clock-frequency = <133000000>;
};
uart@80120000 {
clock = <38400000>;
};
uart@80121000 {
clock = <38400000>;
};
uart@80007000 {
clock = <38400000>;
};
};
reboot {
compatible = "syscon-reboot";
regmap = <&prcmu>;
offset = <0x228>; /* PRCM_APE_SOFTRST */
mask = <0x1>;
};
};