On Wed, Mar 6, 2013 at 6:18 AM, Akshay Saraswat <[email protected]> wrote: > SHA-256 and SHA-1 accelerated using ACE hardware. > > Signed-off-by: ARUN MANKUZHI <[email protected]> > Signed-off-by: Akshay Saraswat <[email protected]>
Acked-by: Simon Glass <[email protected]> > --- > Changes since v1: > - Moved code to drivers/crypto. > - Fixed few other nits. > > Changes since v2: > - Added falling back to software sha256 in case length exceeds buffer > limit. > - Reduced one tab at lines 533, 559 and 571 in this patch. > - Removed space after a cast at line 506 in this patch. > - Removed blank line at line 561 in this patch. > - Removed space before semicolon at line 576 in this patch. > > Changes since v3: > - Removed buffer limit since there are 2 regs for address > hash_msg_size_high and low. > That means buffer length could go upto 2^64 bits which is > practically > - Removed falling back to software sha256 because there is no buffer > limit. > - Removed "/ 4" to sha1 and sha256 lengths and added increment to 4 > in for loop at line 573. > - Timed out still kept to be 100 ms since this is enough for hardware > to switch status to idle from busy. > In case it couldn't that means h/w is faulty. > > Changes since v4: > - Added include for clk.h. > - Added define for MAX_FREQ. > - Added timeout calculation as per frequency. > - Changed "i+=4" to "i++" and "len" to "len/4" in for loop at line > 591 in this patch. > - Added two new functions ace_sha256 and ace_sha1. > > Makefile | 1 + > arch/arm/include/asm/arch-exynos/cpu.h | 4 + > drivers/crypto/Makefile | 47 +++++ > drivers/crypto/ace_sfr.h | 310 > +++++++++++++++++++++++++++++++++ > drivers/crypto/ace_sha.c | 138 +++++++++++++++ > include/ace_sha.h | 67 +++++++ > 6 files changed, 567 insertions(+) > create mode 100644 drivers/crypto/Makefile > create mode 100644 drivers/crypto/ace_sfr.h > create mode 100644 drivers/crypto/ace_sha.c > create mode 100644 include/ace_sha.h > _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
