[U-Boot] [PATCH 3/4 v3] gen: Add ACE acceleration to hash

[Kim Phillips]

On Fri, 1 Mar 2013 11:16:24 -0500
Akshay Saraswat <akshay.s at samsung.com> wrote:

> +#include <ace_sha.h>
>  
>  /*
>   * These are the hash algorithms we support. Chips which support accelerated
>   * crypto could perhaps add named version of these algorithms here.
>   */
>  static struct hash_algo hash_algo[] = {
> +#ifdef CONFIG_EXYNOS_ACE_SHA
> +	{
> +		"SHA1",
> +		SHA1_SUM_LEN,
> +		ace_sha_hash_digest,
> +		ACE_SHA_TYPE_SHA1,
> +	}, {
> +		"SHA256",
> +		SHA256_SUM_LEN,
> +		ace_sha_hash_digest,
> +		ACE_SHA_TYPE_SHA256,
> +	},

Can we make this a generic "hardware accelerated SHA", not tied to
vendor-SoC-specific defines?  I don't see more than one h/w
implementation being used on any one instance of u-boot...

> +#ifdef CONFIG_EXYNOS_ACE_SHA
> +	int (*hash_func_ws)(const unsigned char *input, unsigned int ilen,
> +		unsigned char *output, unsigned int chunk_sz);
> +#else
>  	void (*hash_func_ws)(const unsigned char *input, unsigned int ilen,
>  		unsigned char *output, unsigned int chunk_sz);
> +#endif

function signature mismatch, but I see Simon already got this.

Kim