From: "Mark A. Greer" Subject: [PATCH v2 3/7] ARM: OMAP3xxx: hwmod: Convert SHAM crypto device data to hwmod Date: Tue, 23 Oct 2012 19:36:03 -0700 Message-ID: <1351046167-4882-4-git-send-email-mgreer@animalcreek.com> References: <1351046167-4882-1-git-send-email-mgreer@animalcreek.com> Cc: linux-crypto@vger.kernel.org, herbert@gondor.apana.org.au, davem@davemloft.net, dmitry.kasatkin@intel.com, rmk+kernel@arm.linux.org.uk, paul@pwsan.com, khilman@deeprootsystems.com, "Mark A. Greer" To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Return-path: In-Reply-To: <1351046167-4882-1-git-send-email-mgreer@animalcreek.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org From: "Mark A. Greer" Convert the device data for the OMAP3 SHAM2 (SHA1/MD5) crypto IP from explicit platform_data to hwmod. CC: Paul Walmsley Signed-off-by: Mark A. Greer --- 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, - } -}; -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