diff options
| author | Yangbo Lu <yangbo.lu@nxp.com> | 2020-04-10 10:47:05 +0800 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2020-05-07 12:53:06 +0200 |
| commit | cddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch) | |
| tree | 392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/819-uart-0013-LF-484-tty-serial-lpuart-support-UPIO_MEM32-for-lpua.patch | |
| parent | d1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff) | |
| download | upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.gz upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.bz2 upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.zip | |
layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/
For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.
The patches are sorted into the following categories:
301-arch-xxxx
302-dts-xxxx
303-core-xxxx
701-net-xxxx
801-audio-xxxx
802-can-xxxx
803-clock-xxxx
804-crypto-xxxx
805-display-xxxx
806-dma-xxxx
807-gpio-xxxx
808-i2c-xxxx
809-jailhouse-xxxx
810-keys-xxxx
811-kvm-xxxx
812-pcie-xxxx
813-pm-xxxx
814-qe-xxxx
815-sata-xxxx
816-sdhc-xxxx
817-spi-xxxx
818-thermal-xxxx
819-uart-xxxx
820-usb-xxxx
821-vfio-xxxx
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/819-uart-0013-LF-484-tty-serial-lpuart-support-UPIO_MEM32-for-lpua.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/819-uart-0013-LF-484-tty-serial-lpuart-support-UPIO_MEM32-for-lpua.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/819-uart-0013-LF-484-tty-serial-lpuart-support-UPIO_MEM32-for-lpua.patch b/target/linux/layerscape/patches-5.4/819-uart-0013-LF-484-tty-serial-lpuart-support-UPIO_MEM32-for-lpua.patch new file mode 100644 index 0000000000..b94389c0e7 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/819-uart-0013-LF-484-tty-serial-lpuart-support-UPIO_MEM32-for-lpua.patch @@ -0,0 +1,37 @@ +From 1b00d871c9aaa05583b50abb5ba7dfb4ed8bc4f1 Mon Sep 17 00:00:00 2001 +From: Peng Fan <peng.fan@nxp.com> +Date: Mon, 16 Dec 2019 15:53:00 +0800 +Subject: [PATCH] LF-484 tty: serial: lpuart: support UPIO_MEM32 for lpuart32 + +"earlycon" no need to specify the value string since it uses +stdout-path parameters. However when earlycon and normal console +are not using the same uart port, we need specify value string +to earlycon, this is what we need to do when support dual linux +using jailhouse hypervisor. The 2nd linux will use the uart +of the 1st linux as earlycon. + +earlycon=lpuart32,mmio32,0x5a060010,115200 not work for i.MX8QXP. +It is because lpuart32_early_console_setup not support little endian. + +Since the original code is to support UPIO_MEM32BE, so if not +UPIO_MEM32, we still take it as UPIO_MEM32BE + +Acked-by: Fugang Duan <fugang.duan@nxp.com> +Signed-off-by: Peng Fan <peng.fan@nxp.com> +--- + drivers/tty/serial/fsl_lpuart.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +--- a/drivers/tty/serial/fsl_lpuart.c ++++ b/drivers/tty/serial/fsl_lpuart.c +@@ -2600,7 +2600,9 @@ static int __init lpuart32_early_console + if (!device->port.membase) + return -ENODEV; + +- device->port.iotype = UPIO_MEM32BE; ++ if (device->port.iotype != UPIO_MEM32) ++ device->port.iotype = UPIO_MEM32BE; ++ + device->con->write = lpuart32_early_write; + return 0; + } |