On 17/12/2007, David Cohen <david.cohen@xxxxxxxxxxx> wrote:
> This patch adds support for the SHA1/MD5 hw module acceleration on
> OMAP2420.
>
> TODO:
> - Add DMA transfer.
> - Add support for OMAP1, OMAP2430, OMAP3.
>
> Signed-off-by: David Cohen <david.cohen@xxxxxxxxxxx>
> ---
> arch/arm/mach-omap1/devices.c | 29 ++
> arch/arm/mach-omap2/devices.c | 29 ++
> drivers/crypto/Kconfig | 9 +
> drivers/crypto/Makefile | 1 +
> drivers/crypto/omap-sha1-md5.c | 575 ++++++++++++++++++++++++++++++++++++++++
> 5 files changed, 643 insertions(+), 0 deletions(-)
> create mode 100644 drivers/crypto/omap-sha1-md5.c
>
> diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
> index da8a3ac..5e7a943 100644
> --- a/arch/arm/mach-omap1/devices.c
> +++ b/arch/arm/mach-omap1/devices.c
> @@ -137,6 +137,34 @@ static inline void omap_init_sti(void)
> static inline void omap_init_sti(void) {}
> #endif
>
> +#ifdef CONFIG_OMAP_SHA1_MD5
> +static struct resource sha1_md5_resources[] = {
> + {
> + .start = OMAP16XX_SEC_SHA1MD5,
> + .end = OMAP16XX_SEC_SHA1MD5 + 0x7ff,
> + .flags = IORESOURCE_MEM,
> + },
> + {
> + .start = INT_1610_SHA1MD5,
> + .flags = IORESOURCE_IRQ,
> + }
> +};
> +
> +static struct platform_device sha1_md5_device = {
> + .name = "OMAP SHA1/MD5",
> + .id = -1,
> + .num_resources = ARRAY_SIZE(sha1_md5_resources),
> + .resource = sha1_md5_resources,
> +};
> +
> +static void omap_init_sha1_md5(void)
> +{
> + platform_device_register(&sha1_md5_device);
> +}
> +#else
> +static inline void omap_init_sha1_md5(void) { }
> +#endif
> +
> /*-------------------------------------------------------------------------*/
>
> /*
> @@ -168,6 +196,7 @@ static int __init omap1_init_devices(void)
> omap_init_mbox();
> omap_init_rtc();
> omap_init_sti();
> + omap_init_sha1_md5();
This piece could be in an #ifdef CONFIG_ARCH_OMAP16XX and if
(cpu_is_omap16xx()) to avoid nasty things happening if the user
accidentally compiles in the crypto driver. There would also be a
minimal space saving.
Regards
-
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