[PATCH v3 3/7] ARM: OMAP3xxx: hwmod: Convert SHAM crypto device data to hwmod
Kasatkin, Dmitry
dmitry.kasatkin at intel.com
Fri Nov 9 11:11:48 EST 2012
On Wed, Nov 7, 2012 at 4:57 AM, Mark A. Greer <mgreer at animalcreek.com> wrote:
> From: "Mark A. Greer" <mgreer at animalcreek.com>
>
> Convert the device data for the OMAP3 SHAM2 (SHA1/MD5) crypto IP
> from explicit platform_data to hwmod.
>
> CC: Paul Walmsley <paul at pwsan.com>
> Signed-off-by: Mark A. Greer <mgreer at animalcreek.com>
> ---
> arch/arm/mach-omap2/clock3xxx_data.c | 1 +
> arch/arm/mach-omap2/devices.c | 42 ++-------------------
> arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 60 ++++++++++++++++++++++++++++++
> 3 files changed, 64 insertions(+), 39 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
> index 1f42c9d..6f14d9b 100644
> --- a/arch/arm/mach-omap2/clock3xxx_data.c
> +++ b/arch/arm/mach-omap2/clock3xxx_data.c
> @@ -3342,6 +3342,7 @@ static struct omap_clk omap3xxx_clks[] = {
> CLK(NULL, "icr_ick", &icr_ick, CK_34XX | CK_36XX),
> CLK("omap-aes", "ick", &aes2_ick, CK_34XX | CK_36XX),
> CLK("omap-sham", "ick", &sha12_ick, CK_34XX | CK_36XX),
> + CLK(NULL, "sha12_ick", &sha12_ick, CK_34XX | CK_36XX),
> CLK(NULL, "des2_ick", &des2_ick, CK_34XX | CK_36XX),
> CLK("omap_hsmmc.1", "ick", &mmchs2_ick, CK_3XXX),
> CLK("omap_hsmmc.0", "ick", &mmchs1_ick, CK_3XXX),
> diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
> index f18fa50..f38ac9d 100644
> --- a/arch/arm/mach-omap2/devices.c
> +++ b/arch/arm/mach-omap2/devices.c
> @@ -36,6 +36,7 @@
> #include "devices.h"
> #include "cm2xxx_3xxx.h"
> #include "cm-regbits-24xx.h"
> +#include "cm-regbits-34xx.h"
>
> #define L3_MODULES_MAX_LEN 12
> #define L3_MODULES 3
> @@ -453,38 +454,9 @@ static void omap_init_rng(void)
> WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n");
> }
>
> -#if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE)
> -
> -#ifdef CONFIG_ARCH_OMAP3
> -static struct resource omap3_sham_resources[] = {
> - {
> - .start = OMAP34XX_SEC_SHA1MD5_BASE,
> - .end = OMAP34XX_SEC_SHA1MD5_BASE + 0x64,
> - .flags = IORESOURCE_MEM,
> - },
> - {
> - .start = 49 + OMAP_INTC_START,
> - .flags = IORESOURCE_IRQ,
> - },
> - {
> - .start = OMAP34XX_DMA_SHA1MD5_RX,
> - .flags = IORESOURCE_DMA,
> - }
> -};
Ok... it is also for OMAP3..
> -static int omap3_sham_resources_sz = ARRAY_SIZE(omap3_sham_resources);
> -#else
> -#define omap3_sham_resources NULL
> -#define omap3_sham_resources_sz 0
> -#endif
> -
> -static struct platform_device sham_device = {
> - .name = "omap-sham",
> - .id = -1,
> -};
> -
> -static void omap_init_sham(void)
> +static void __init omap_init_sham(void)
> {
> - if (cpu_is_omap24xx()) {
> + if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
> struct omap_hwmod *oh;
> struct platform_device *pdev;
>
> @@ -495,18 +467,10 @@ static void omap_init_sham(void)
> pdev = omap_device_build("omap-sham", -1, oh, NULL, 0, NULL,
> 0, 0);
> WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n");
> - } else if (cpu_is_omap34xx()) {
> - sham_device.resource = omap3_sham_resources;
> - sham_device.num_resources = omap3_sham_resources_sz;
> - platform_device_register(&sham_device);
> } else {
> pr_err("%s: platform not supported\n", __func__);
> - return;
> }
> }
> -#else
> -static inline void omap_init_sham(void) { }
> -#endif
>
> #if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)
>
> diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
> index f67b7ee..785a0c5 100644
> --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
> @@ -3543,6 +3543,65 @@ static struct omap_hwmod_ocp_if omap3xxx_l3_main__gpmc = {
> .user = OCP_USER_MPU | OCP_USER_SDMA,
> };
>
> +/* l4_core -> SHAM2 (SHA1/MD5) (similar to omap24xx) */
> +static struct omap_hwmod_class_sysconfig omap3_sham_sysc = {
> + .rev_offs = 0x5c,
> + .sysc_offs = 0x60,
> + .syss_offs = 0x64,
> + .sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
> + SYSS_HAS_RESET_STATUS),
> + .sysc_fields = &omap_hwmod_sysc_type1,
> +};
> +
> +static struct omap_hwmod_class omap3xxx_sham_class = {
> + .name = "sham",
> + .sysc = &omap3_sham_sysc,
> +};
> +
> +struct omap_hwmod_irq_info omap3_sham_mpu_irqs[] = {
> + { .irq = 49 + OMAP_INTC_START, },
> + { .irq = -1 }
> +};
> +
> +struct omap_hwmod_dma_info omap3_sham_sdma_reqs[] = {
> + { .name = "rx", .dma_req = OMAP34XX_DMA_SHA1MD5_RX, },
> + { .dma_req = -1 }
> +};
> +
> +struct omap_hwmod omap3xxx_sham_hwmod = {
> + .name = "sham",
> + .mpu_irqs = omap3_sham_mpu_irqs,
> + .sdma_reqs = omap3_sham_sdma_reqs,
> + .main_clk = "sha12_ick",
> + .prcm = {
> + .omap2 = {
> + .module_offs = CORE_MOD,
> + .prcm_reg_id = 1,
> + .module_bit = OMAP3430_EN_SHA12_SHIFT,
> + .idlest_reg_id = 1,
> + .idlest_idle_bit = OMAP3430_ST_SHA12_SHIFT,
> + },
> + },
> + .class = &omap3xxx_sham_class,
> +};
> +
> +static struct omap_hwmod_addr_space omap3xxx_sham_addrs[] = {
> + {
> + .pa_start = 0x480c3000,
> + .pa_end = 0x480c3000 + 0x64 - 1,
> + .flags = ADDR_TYPE_RT
> + },
> + { }
> +};
> +
> +static struct omap_hwmod_ocp_if omap3xxx_l4_core__sham = {
> + .master = &omap3xxx_l4_core_hwmod,
> + .slave = &omap3xxx_sham_hwmod,
> + .clk = "sha12_ick",
> + .addr = omap3xxx_sham_addrs,
> + .user = OCP_USER_MPU | OCP_USER_SDMA,
> +};
> +
> static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = {
> &omap3xxx_l3_main__l4_core,
> &omap3xxx_l3_main__l4_per,
> @@ -3596,6 +3655,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = {
> /* GP-only hwmod links */
> static struct omap_hwmod_ocp_if *omap3xxx_gp_hwmod_ocp_ifs[] __initdata = {
> &omap3xxx_l4_sec__timer12,
> + &omap3xxx_l4_core__sham,
> NULL
> };
>
> --
> 1.7.12
>
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