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ARM: bcm2835: Add the Raspberry Pi firmware driver

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This gives us a function for making mailbox property channel requests
of the firmware, which is most notable in that it will let us get and
set clock rates.

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
This commit is contained in:
Eric Anholt
2015-02-26 10:08:06 +00:00
parent 6ff33f3902
commit 4e3d60656a
4 changed files with 383 additions and 0 deletions
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drivers/firmware/Makefile
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@@ -15,6 +15,7 @@ obj-$(CONFIG_FIRMWARE_MEMMAP) += memmap.o
obj-$(CONFIG_QCOM_SCM) += qcom_scm.o
obj-$(CONFIG_QCOM_SCM) += qcom_scm-32.o
CFLAGS_qcom_scm-32.o :=$(call as-instr,.arch_extension sec,-DREQUIRES_SEC=1)
obj-$(CONFIG_RASPBERRYPI_FIRMWARE) += raspberrypi.o
obj-y += broadcom/
obj-$(CONFIG_GOOGLE_FIRMWARE) += google/