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| author | Marc Kleine-Budde <mkl@pengutronix.de> | 2015-06-15 23:59:55 +0200 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2015-06-16 00:00:11 +0200 |
| commit | 84142c4f9452631b4f3ebe6468c45956e54fa13f (patch) | |
| tree | 08616397ce79d4b1ec16407a14fa4fc3ce5e1e81 /platforms | |
| parent | 23758a9e13d197cc3f6fe549ad9c3be40f645c00 (diff) | |
| download | ptxdist-84142c4f9452631b4f3ebe6468c45956e54fa13f.tar.gz ptxdist-84142c4f9452631b4f3ebe6468c45956e54fa13f.tar.xz | |
barebox: add help text tp BAREBOX_NEEDS_HOST_IMX_CST option
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'platforms')
| -rw-r--r-- | platforms/barebox.in | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/platforms/barebox.in b/platforms/barebox.in index da5714342..9364e7847 100644 --- a/platforms/barebox.in +++ b/platforms/barebox.in @@ -65,5 +65,17 @@ config BAREBOX_NEEDS_HOST_OPENSSL config BAREBOX_NEEDS_HOST_IMX_CST prompt "barebox needs imx-cst" bool + help + The imx "CST" is the propretary "Code Signing Tool" by + freescale, that is needed to sign the bootloader with a + cryptographic signature. This part of freescale's high + assurance boot (HAB) scenario where only correctly signed + images can be started. + Barebox currently supports HABv4 for i.MX6 only. + + This options does not do the signing, it just creates the + correct dependencies so that the proprieraty "cst" program + is installed before barebox is compiled. THe signing is done + in barebox and needs special configuration for your board. endif |