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authorArnd Bergmann <arnd@arndb.de>2011-07-15 21:56:37 +0200
committerArnd Bergmann <arnd@arndb.de>2011-07-15 21:56:37 +0200
commit62778396020a29d742abf980c1e83f3df4b5426e (patch)
tree08dc01019a1afe6ed16ab79c627ecd81caea52e0 /drivers/scsi/isci/firmware/README
parent58f45e3c6f4fd2b9b9d7d43af71409a79a4b4cf6 (diff)
parentd3144df5bd8eb1c8137cc92989e2e6bc9f2e5a27 (diff)
downloadlwn-62778396020a29d742abf980c1e83f3df4b5426e.tar.gz
lwn-62778396020a29d742abf980c1e83f3df4b5426e.zip
Merge branch 'fixes-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 into imx/fixes
Diffstat (limited to 'drivers/scsi/isci/firmware/README')
-rw-r--r--drivers/scsi/isci/firmware/README36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/scsi/isci/firmware/README b/drivers/scsi/isci/firmware/README
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index 000000000000..8056d2bd233b
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+++ b/drivers/scsi/isci/firmware/README
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+This defines the temporary binary blow we are to pass to the SCU
+driver to emulate the binary firmware that we will eventually be
+able to access via NVRAM on the SCU controller.
+
+The current size of the binary blob is expected to be 149 bytes or larger
+
+Header Types:
+0x1: Phy Masks
+0x2: Phy Gens
+0x3: SAS Addrs
+0xff: End of Data
+
+ID string - u8[12]: "#SCU MAGIC#\0"
+Version - u8: 1
+SubVersion - u8: 0
+
+Header Type - u8: 0x1
+Size - u8: 8
+Phy Mask - u32[8]
+
+Header Type - u8: 0x2
+Size - u8: 8
+Phy Gen - u32[8]
+
+Header Type - u8: 0x3
+Size - u8: 8
+Sas Addr - u64[8]
+
+Header Type - u8: 0xf
+
+
+==============================================================================
+
+Place isci_firmware.bin in /lib/firmware
+Be sure to recreate the initramfs image to include the firmware.
+