diff options
author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-09-05 11:15:26 +0200 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-09-05 11:15:26 +0200 |
commit | 19d829fa60fc4e6df514a046142faaaf9fc8185d (patch) | |
tree | 295c75b0d9f3c7180f23ec131442286cf91db5b1 /doc/README.imximage | |
parent | e62d5fb0da76ef168e90cae9bbbda80349aaf137 (diff) | |
parent | 8467faef7fce8c5faad7224b7737a58e16c52186 (diff) |
Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'
Conflicts:
drivers/serial/serial.c
The conflict above was a trivial case of adding one init
function in each branch, and manually resolved in merge.
Diffstat (limited to 'doc/README.imximage')
-rw-r--r-- | doc/README.imximage | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/doc/README.imximage b/doc/README.imximage index 802eb90f1d..dcda2005af 100644 --- a/doc/README.imximage +++ b/doc/README.imximage @@ -15,9 +15,6 @@ Booting from NOR flash does not require to use this image type. For more details refer Chapter 2 - System Boot and section 2.14 (flash header description) of the processor's manual. -This implementation does not use at the moment the secure boot feature -of the processor. The image is generated disabling all security fields. - Command syntax: -------------- ./tools/mkimage -l <mx u-boot_file> @@ -86,6 +83,33 @@ Configuration command line syntax: Example: BOOT_FROM spi + CSF value + + Total size of CSF (Command Sequence File) + used for Secure Boot/ High Assurance Boot + (HAB). + + Using this command will populate the IVT + (Initial Vector Table) CSF pointer and adjust + the length fields only. The CSF itself needs + to be generated with Freescale tools and + 'manually' appended to the u-boot.imx file. + + The CSF is then simply concatenated + to the u-boot image, making a signed bootloader, + that the processor can verify + if the fuses for the keys are burned. + + Further infos how to configure the SOC to verify + the bootloader can be found in the "High + Assurance Boot Version Application Programming + Interface Reference Manual" as part of the + Freescale Code Signing Tool, available on the + manufacturer's website. + + Example: + CSF 0x2000 + DATA type address value type: word=4, halfword=2, byte=1 |