This series tries to enable XEN booting on i.MX 8MQuad Applications
Processors[1].
Patch-set includes driver for UART controller found on i.MX8MQ SoC and debug
code
for earlyprintk support.
Mainline dts binding that are used for platform discover has GPC as root
interrupt parent
is not yet supported in XEN, therefore following changes is needed to boot XEN
on this platform.
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 6d635ba..7eac1786 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -13,7 +13,7 @@
#include "imx8mq-pinfunc.h"
/ {
- interrupt-parent = <&gpc>;
+ interrupt-parent = <&gic>;
#address-cells = <2>;
#size-cells = <2>;
It has been tested on nitrogen8m board[2] by booting dom0 with RAMFS.
[1]:https://www.nxp.com/support/developer-resources/evaluation-and-development-boards/i.mx-evaluation-and-development-boards/evaluation-kit-for-the-i.mx-8m-applications-processor:MCIMX8M-EVK
[2]:https://boundarydevices.com/product/nitrogen8m/
Amit Singh Tomar (2):
xen/arm: Add i.MX8MQ SoCs earlyprintk support
xen/arm: Add UART driver for i.MX8MQ SoC
xen/arch/arm/arm64/debug-imx8mq.inc | 54 +++++++
xen/drivers/char/Kconfig | 8 +
xen/drivers/char/Makefile | 1 +
xen/drivers/char/imx8mq-uart.c | 306 ++++++++++++++++++++++++++++++++++++
4 files changed, 369 insertions(+)
create mode 100644 xen/arch/arm/arm64/debug-imx8mq.inc
create mode 100644 xen/drivers/char/imx8mq-uart.c
--
2.7.4
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel
