On 21/03/13 16:00, Akshay Saraswat wrote: > This patch set adds hardware acceleration for SHA 256 > with the help of ACE. > > Changes since v1: > - Patch-1: Fixed few nits. > - Patch-2: Removed not required config. > - Patch-3: Added sha256 to hash command instead of new sha256 command. > > Changes since v2: > - Patch-1: > - Added falling back to software sha256 in case length exceeds > buffer limit. > - Reduced one tab at lines 533, 559 and 571 in the patch. > - Removed space after a cast at line 506 in the patch. > - Removed blank line at line 561 in the patch. > - Removed space before semicolon at line 576 in the patch. > - Patch-2: > - Added "SHA1" in the comment for config. > - Patch-3: > - Added new nodes for SHA1 and SHA256 in struct hash_algo for > the case when > ACE is enabled. > - Added new declaration for function pointer hash_func_ws with > different > return type. > - Patch-4: > - New patch to enable config for hash command. > > Changes since v3: > - Patch-1: > - 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. > - Patch-2: > - Added "Acked-by: Simon Glass <s...@chromium.org>". > - Patch-3: > - New patch. > - Patch-4: > - Changed command names to lower case in algo struct. > - Added generic ace_sha config. > - Patch-5: Added acked-by Simon Glass > - Added new generic config for ace_sha to enable ace support in > hash.c. > > Changes since v4: > - Patch-1: > - 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. > - Patch-2: None. > - Patch-3: > - Changed function names in struct algo. > - Replaced ACE_SHA_TYPE to CHUNSZ in struct algo. > - Patch-4: Added "Acked-by: Simon Glass <s...@chromium.org>". > > Changes since v5: > - Patch-1: > - Removed ace_sha.h. > - Renamed ace_sfr.h as ace_sha.h. > - Removed timeout and checking for PRNG_ERROR bit in > HASH_STATUS register. > PRNG_ERROR bit high means setup was not done properly. Since > there is no > way to detect faulty h/w, we consider the possible fact that > h/w should > not be able to setup feed properly if it's faulty. > - Renamed function name ace_sha256 to hw_sha256 and ace_sha1 to > hw_sha1. > - Patch-2: None. > - Patch-3: > - Added file hw_sha.h. > - Changed CONFIG_ACE_SHA to CONFIG_SHA_HW_ACCEL. > - Renamed function names ace_sha1 and ace_sha256 to hw_sha1 and > hw_sha256 > respectively. > - Patch-4: > - Removed "Acked-by: Simon Glass <s...@chromium.org>" because > of a change. > - Changed CONFIG_ACE_SHA to CONFIG_SHA_HW_ACCEL. > > Changes since v6: > - Patch-1: Added "Acked-by: Simon Glass <s...@chromium.org>". > - Patch-2: None. > - Patch-3: > - Changed position of "hw_sha.h" among includes (alpha order). > - Rebased patch. > - Patch-4: Added "Acked-by: Simon Glass <s...@chromium.org>". > > Changes since v7: > - Patch-1: > - Moved ace_sha.h to drivers/crypto. > - Removed parantheses where not required in ace_sha.h. > - Removed leftover time limit comment in ace_sha.c. > - Replaced "break" with "return -EBUSY" in PRNGERROR check. > - Patch-2: None. > - Patch-3: Added "Acked-by: Simon Glass <s...@chromium.org>". > - Patch-4: None. > > Akshay Saraswat (4): > Exynos: Add hardware accelerated SHA256 and SHA1 > Exynos: config: Enable ACE HW for SHA 256 for Exynos > gen: Add sha h/w acceleration to hash > Exynos: config: Enable hash command > > Makefile | 1 + > arch/arm/include/asm/arch-exynos/cpu.h | 4 + > common/hash.c | 18 ++ > drivers/crypto/Makefile | 47 +++++ > drivers/crypto/ace_sha.c | 126 +++++++++++++ > drivers/crypto/ace_sha.h | 325 > +++++++++++++++++++++++++++++++++ > include/configs/exynos5250-dt.h | 5 + > include/hw_sha.h | 50 +++++ > 8 files changed, 576 insertions(+) > create mode 100644 drivers/crypto/Makefile > create mode 100644 drivers/crypto/ace_sha.c > create mode 100644 drivers/crypto/ace_sha.h > create mode 100644 include/hw_sha.h >
applied to u-boot-samsung. Thanks, Minkyu Kang. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
