u-boot/arch/arm/dts/bcm283x-u-boot.dtsi

// SPDX-License-Identifier: GPL-2.0+
/*
 * U-Boot addition to keep baudrate set by firmware
 * and also initialize before relocation.
 *
 * (C) Copyright 2016 Fabian Vogt <fvogt@suse.com>
 */

&uart0 {
	skip-init;
	u-boot,dm-pre-reloc;
};

&uart1 {
	skip-init;
	u-boot,dm-pre-reloc;
};

&gpio {
	u-boot,dm-pre-reloc;
};

&uart0_gpio14 {
	u-boot,dm-pre-reloc;
};

&uart1_gpio14 {
	u-boot,dm-pre-reloc;
};
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> 2018-05-06 21:58:06 +00:00			`// SPDX-License-Identifier: GPL-2.0+`
fdt: adjust bcm283x device tree for u-boot The information currently set via platdata has to be represented in the device tree now. bcm283x-uboot.dtsi adds the u-boot specific "skip-init" property to the serial nodes and enables initialization in the pre-reloc phase. Cc: Albert Aribaud <albert.u.boot@aribaud.net> Signed-off-by: Fabian Vogt <fvogt@suse.com> Reviewed-by: Simon Glass <sjg@chromium.org> 2016-09-26 12:26:48 +00:00			`/*`
			`* U-Boot addition to keep baudrate set by firmware`
			`* and also initialize before relocation.`
			`*`
			`* (C) Copyright 2016 Fabian Vogt <fvogt@suse.com>`
			`*/`

			`&uart0 {`
			`skip-init;`
			`u-boot,dm-pre-reloc;`
			`};`

			`&uart1 {`
			`skip-init;`
			`u-boot,dm-pre-reloc;`
			`};`
bcm2835_pinctrl: Probe pre-reloc The serial drivers now depend on the pinctrl driver to determine whether they are enabled. That means if a serial device wants to be used pre-reloc, we also need the pinctrl device pre-reloc. Adapt the pinctrl driver as well as dts overlay accordingly. Signed-off-by: Alexander Graf <agraf@suse.de> 2018-01-25 11:05:56 +00:00
			`&gpio {`
			`u-boot,dm-pre-reloc;`
			`};`
arm: dts: bcm283x: Allow UARTs to work before relocation At present the pinctrl nodes are not enabled in pre-relocation U-Boot so the UARTs do not correctly select the pinconfig to enable the UART pins. Fix this so that the U-Boot banner is printed. This fixes serial output on rpi_3b_32b with the following config.txt options: enable_uart=1 gpu_freq=250 Signed-off-by: Simon Glass <sjg@chromium.org> Fixes: 9821636b64 (bcm2835_pinctrl: Probe pre-reloc) Signed-off-by: Matthias Brugger <mbrugger@suse.com> 2020-03-23 03:15:52 +00:00
			`&uart0_gpio14 {`
			`u-boot,dm-pre-reloc;`
			`};`

			`&uart1_gpio14 {`
			`u-boot,dm-pre-reloc;`
			`};`