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iot2050: Enable watchdog support, but do not auto-start it

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This allows to use the watchdog in custom scripts but does not enforce
that the OS has to support it as well.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
This commit is contained in:
Jan Kiszka 2021-09-18 08:17:56 +02:00 committed by Tom Rini
parent f3efb1d106
commit 26fa063c6e
3 changed files with 36 additions and 0 deletions
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25
arch/arm/dts/k3-am65-iot2050-boot-image.dtsi
View File

@ -80,6 +80,19 @@
filename = "arch/arm/dts/k3-am6548-iot2050-advanced-pg2.dtb";
};
};
#ifdef CONFIG_WDT_K3_RTI_FW_FILE
k3-rti-wdt-firmware {
type = "firmware";
load = <0x82000000>;
arch = "arm";
compression = "none";
blob-ext {
filename = CONFIG_WDT_K3_RTI_FW_FILE;
missing-msg = "k3-rti-wdt-firmware";
};
};
#endif
};
configurations {
@ -89,24 +102,36 @@
description = "iot2050-basic";
firmware = "u-boot";
fdt = "fdt-iot2050-basic";
#ifdef CONFIG_WDT_K3_RTI_FW_FILE
loadables = "k3-rti-wdt-firmware";
#endif
};
conf-iot2050-basic-pg2 {
description = "iot2050-basic-pg2";
firmware = "u-boot";
fdt = "fdt-iot2050-basic-pg2";
#ifdef CONFIG_WDT_K3_RTI_FW_FILE
loadables = "k3-rti-wdt-firmware";
#endif
};
conf-iot2050-advanced {
description = "iot2050-advanced";
firmware = "u-boot";
fdt = "fdt-iot2050-advanced";
#ifdef CONFIG_WDT_K3_RTI_FW_FILE
loadables = "k3-rti-wdt-firmware";
#endif
};
conf-iot2050-advanced-pg2 {
description = "iot2050-advanced-pg2";
firmware = "u-boot";
fdt = "fdt-iot2050-advanced-pg2";
#ifdef CONFIG_WDT_K3_RTI_FW_FILE
loadables = "k3-rti-wdt-firmware";
#endif
};
};
};

6
configs/iot2050_defconfig
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@ -50,6 +50,7 @@ CONFIG_CMD_MMC=y
CONFIG_CMD_PCI=y
CONFIG_CMD_REMOTEPROC=y
CONFIG_CMD_USB=y
CONFIG_CMD_WDT=y
# CONFIG_CMD_SETEXPR is not set
CONFIG_CMD_TIME=y
# CONFIG_ISO_PARTITION is not set
@ -127,4 +128,9 @@ CONFIG_USB_XHCI_DWC3=y
CONFIG_USB_DWC3=y
CONFIG_USB_DWC3_GENERIC=y
CONFIG_USB_KEYBOARD=y
# CONFIG_WATCHDOG is not set
# CONFIG_WATCHDOG_AUTOSTART is not set
CONFIG_WDT=y
CONFIG_WDT_K3_RTI=y
CONFIG_WDT_K3_RTI_LOAD_FW=y
CONFIG_OF_LIBFDT_OVERLAY=y

5
tools/binman/missing-blob-help
View File

@ -17,3 +17,8 @@ board/sunxi/README.sunxi64
scp-sunxi:
SCP firmware is required for system suspend, but is otherwise optional.
Please read the section on SCP firmware in board/sunxi/README.sunxi64
k3-rti-wdt-firmware:
If CONFIG_WDT_K3_RTI_LOAD_FW is enabled, a firmware image is needed for
the R5F core(s) to trigger the system reset. One possible source is
https://github.com/siemens/k3-rti-wdt.