diff options
Diffstat (limited to 'arm-bcm2835-serial-8250_early-support-aux-uart.patch')
| -rw-r--r-- | arm-bcm2835-serial-8250_early-support-aux-uart.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/arm-bcm2835-serial-8250_early-support-aux-uart.patch b/arm-bcm2835-serial-8250_early-support-aux-uart.patch deleted file mode 100644 index 5ab954996..000000000 --- a/arm-bcm2835-serial-8250_early-support-aux-uart.patch +++ /dev/null @@ -1,47 +0,0 @@ -From 57b76faf1d7860f070a1ee2d0b7eccd9f37ecc55 Mon Sep 17 00:00:00 2001 -From: Matthias Brugger <mbrugger@suse.com> -Date: Sun, 26 Jan 2020 13:33:14 +0100 -Subject: serial: 8250_early: Add earlycon for BCM2835 aux uart - -Define the OF early console for BCM2835 aux UART, which can be enabled -by passing "earlycon" on the boot command line. This UART is found on -BCM283x and BCM27xx SoCs, a.k.a. Raspberry Pi in its variants. - -Signed-off-by: Matthias Brugger <mbrugger@suse.com> -Link: https://lore.kernel.org/r/20200126123314.3558-1-matthias.bgg@kernel.org -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - drivers/tty/serial/8250/8250_bcm2835aux.c | 18 ++++++++++++++++++ - 1 file changed, 18 insertions(+) - -diff --git a/drivers/tty/serial/8250/8250_bcm2835aux.c b/drivers/tty/serial/8250/8250_bcm2835aux.c -index e70e3cc30050..5cc03bf24f85 100644 ---- a/drivers/tty/serial/8250/8250_bcm2835aux.c -+++ b/drivers/tty/serial/8250/8250_bcm2835aux.c -@@ -137,6 +137,24 @@ static struct platform_driver bcm2835aux_serial_driver = { - }; - module_platform_driver(bcm2835aux_serial_driver); - -+#ifdef CONFIG_SERIAL_8250_CONSOLE -+ -+static int __init early_bcm2835aux_setup(struct earlycon_device *device, -+ const char *options) -+{ -+ if (!device->port.membase) -+ return -ENODEV; -+ -+ device->port.iotype = UPIO_MEM32; -+ device->port.regshift = 2; -+ -+ return early_serial8250_setup(device, NULL); -+} -+ -+OF_EARLYCON_DECLARE(bcm2835aux, "brcm,bcm2835-aux-uart", -+ early_bcm2835aux_setup); -+#endif -+ - MODULE_DESCRIPTION("BCM2835 auxiliar UART driver"); - MODULE_AUTHOR("Martin Sperl <kernel@martin.sperl.org>"); - MODULE_LICENSE("GPL v2"); --- -cgit 1.2-0.3.lf.el7 |