On Mon, Aug 17, 2015 at 03:24:10PM +0300, Horia Geantă wrote: > LS1021A is a QorIQ SoC having little endian CAAM. > > There are a few differences b/w QorIQ and i.MX from CAAM perspective: > > 1. i.MX platforms are somewhat special wrt. 64-bit registers: > -big endian format at 64-bit level: MSW at address+0 and LSW at address+4 > -little endian format at 32-bit level (within MSW and LSW) > and thus need special handling. > > 2. No CCM (clock controller module) for QorIQ. > No CAAM clocks to enable / disable. > > A new Kconfig option - CRYPTO_DEV_FSL_CAAM_LE - is added to indicate > CAAM is little endian (*). It is hidden from the user (to avoid > misconfiguration); when adding support for a new platform with LE CAAM, > either the Kconfig needs to be updated or the corresponding defconfig > needs to indicate that CAAM is LE. > (*) Using a DT property to provide CAAM endianness would not allow > for the ifdeffery. > > In order to keep changes to a minimum, the following changes > are postponed: > -endianness fix of the last word in the S/G (rsvd2, bpid, offset), > fields are always 0 anyway; > -S/G format fix for i.MX7 (yes, i.MX7 support was not added yet, > but still...) > > Signed-off-by: Horia Geantă <horia.geanta@xxxxxxxxxxxxx> Patch applied. Thanks! -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
