diff options
Diffstat (limited to 'drivers/scsi/isci/firmware/README')
-rw-r--r-- | drivers/scsi/isci/firmware/README | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/scsi/isci/firmware/README b/drivers/scsi/isci/firmware/README new file mode 100644 index 000000000000..8056d2bd233b --- /dev/null +++ b/drivers/scsi/isci/firmware/README | |||
@@ -0,0 +1,36 @@ | |||
1 | This defines the temporary binary blow we are to pass to the SCU | ||
2 | driver to emulate the binary firmware that we will eventually be | ||
3 | able to access via NVRAM on the SCU controller. | ||
4 | |||
5 | The current size of the binary blob is expected to be 149 bytes or larger | ||
6 | |||
7 | Header Types: | ||
8 | 0x1: Phy Masks | ||
9 | 0x2: Phy Gens | ||
10 | 0x3: SAS Addrs | ||
11 | 0xff: End of Data | ||
12 | |||
13 | ID string - u8[12]: "#SCU MAGIC#\0" | ||
14 | Version - u8: 1 | ||
15 | SubVersion - u8: 0 | ||
16 | |||
17 | Header Type - u8: 0x1 | ||
18 | Size - u8: 8 | ||
19 | Phy Mask - u32[8] | ||
20 | |||
21 | Header Type - u8: 0x2 | ||
22 | Size - u8: 8 | ||
23 | Phy Gen - u32[8] | ||
24 | |||
25 | Header Type - u8: 0x3 | ||
26 | Size - u8: 8 | ||
27 | Sas Addr - u64[8] | ||
28 | |||
29 | Header Type - u8: 0xf | ||
30 | |||
31 | |||
32 | ============================================================================== | ||
33 | |||
34 | Place isci_firmware.bin in /lib/firmware | ||
35 | Be sure to recreate the initramfs image to include the firmware. | ||
36 | |||