[Buildroot] [PATCH v4 2/4] am33x-cm3: add FW for suspend/resume
Peter Korsgaard
jacmet at uclibc.org
Tue May 14 20:50:30 UTC 2013
>>>>> "Anders" == Anders Darander <anders at chargestorm.se> writes:
Anders> Without this firmware, the beaglebone won't be able to reboot
Anders> correctly.
It's afaik only for suspend/resume handling (E.G. low power).
Anders> Signed-off-by: Anders Darander <anders at chargestorm.se>
Anders> ---
Anders> package/Config.in | 1 +
Anders> package/am33x-cm3/Config.in | 4 ++++
Anders> package/am33x-cm3/am335x-pm-firmware-load | 6 ++++++
Anders> package/am33x-cm3/am33x-cm3.mk | 28 ++++++++++++++++++++++++++++
Anders> 4 files changed, 39 insertions(+)
Anders> create mode 100644 package/am33x-cm3/Config.in
Anders> create mode 100755 package/am33x-cm3/am335x-pm-firmware-load
Anders> create mode 100644 package/am33x-cm3/am33x-cm3.mk
Anders> diff --git a/package/Config.in b/package/Config.in
Anders> index d980871..329d734 100644
Anders> --- a/package/Config.in
Anders> +++ b/package/Config.in
Anders> @@ -213,6 +213,7 @@ endmenu
Anders> menu "Hardware handling"
Anders> menu "Misc devices firmwares"
Anders> +source "package/am33x-cm3/Config.in"
Anders> source "package/b43-firmware/Config.in"
Anders> source "package/firmware-imx/Config.in"
Anders> source "package/linux-firmware/Config.in"
Anders> diff --git a/package/am33x-cm3/Config.in b/package/am33x-cm3/Config.in
Anders> new file mode 100644
Anders> index 0000000..ee39f7d
Anders> --- /dev/null
Anders> +++ b/package/am33x-cm3/Config.in
Anders> @@ -0,0 +1,4 @@
Anders> +config BR2_PACKAGE_AM33X_CM3
Anders> + bool "am33x-cm3"
SoC specific packages like this should depend on BR2_arm to not clutter
menuconfig for other archs.
Anders> + help
Anders> + Cortex-M3 binary blob for suspend-resume
I've added 'on am335x', otherwise it isn't clear that this is for
am335x.
I've also added the git location as upstream URL.
Anders> diff --git a/package/am33x-cm3/am335x-pm-firmware-load b/package/am33x-cm3/am335x-pm-firmware-load
Anders> new file mode 100755
Anders> index 0000000..56c17b3
Anders> --- /dev/null
Anders> +++ b/package/am33x-cm3/am335x-pm-firmware-load
We normally give this the same name as what it get's installed to, so
I've prepended it with S93-.
Anders> @@ -0,0 +1,6 @@
Anders> +#!/bin/sh
Anders> +
Anders> +# Load the PM CM3 firmware
Anders> +echo 1 > /sys/devices/ocp.2/44d00000.wkup_m3/firmware/am335x-pm-firmware.bin/loading
Anders> +cat /lib/firmware/am335x-pm-firmware.bin > /sys/devices/ocp.2/44d00000.wkup_m3/firmware/am335x-pm-firmware.bin/data
Anders> +echo 0 > /sys/devices/ocp.2/44d00000.wkup_m3/firmware/am335x-pm-firmware.bin/loading
Anders> diff --git a/package/am33x-cm3/am33x-cm3.mk b/package/am33x-cm3/am33x-cm3.mk
Anders> new file mode 100644
Anders> index 0000000..5125c5b
Anders> --- /dev/null
Anders> +++ b/package/am33x-cm3/am33x-cm3.mk
Anders> @@ -0,0 +1,28 @@
Anders> +#############################################################
Anders> +#
Anders> +# am33x-cm3
Anders> +#
Anders> +#############################################################
Anders> +
Anders> +AM33X_CM3_VERSION = AM335xPSP_04.06.00.10-rc1
Anders> +AM33X_CM3_SITE = http://arago-project.org/git/projects/am33x-cm3.git
Anders> +AM33X_CM3_SITE_METHOD = git
Anders> +AM33X_CM3_LICENSE = TI Publicly Available Software License
Anders> +AM33X_CM3_LICENSE_FILES = License.txt
Anders> +
Anders> +# The build command below will use the standard cross-compiler (normally
Anders> +# build for Cortex-A8, to build the FW for the Cortex-M3.
Anders> +define AM33X_CM3_BUILD_CMDS
Anders> + $(MAKE) CC="$(TARGET_CC)" CROSS_COMPILE="$(TARGET_CROSS)" -C $(@D) all
Anders> +endef
Anders> +
Anders> +# Not all of the firmware files are used
Anders> +define AM33X_CM3_INSTALL_TARGET_CMDS
Anders> + $(INSTALL) -m 0644 -D $(@D)/bin/am335x-pm-firmware.bin $(TARGET_DIR)/lib/firmware/am335x-pm-firmware.bin
Anders> +endef
Anders> +
Anders> +define AM33X_CM3_INSTALL_INIT_SYSV
Anders> + $(INSTALL) -m 0755 -D package/am33x-cm3/am335x-pm-firmware-load $(TARGET_DIR)/etc/init.d/S93-am335x-pm-firmware-load
And renamed here as well.
These lines are very long, so I've word wrapped them.
Committed to next with these changes, thanks.
--
Bye, Peter Korsgaard
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