From patchwork Mon Nov 19 19:03:46 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Greer X-Patchwork-Id: 1768781 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id 2DB673FCAE for ; Mon, 19 Nov 2012 19:54:53 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TaXO6-00027S-5B; Mon, 19 Nov 2012 19:52:10 +0000 Received: from mail20.dotsterhost.com ([66.11.232.73]) by merlin.infradead.org with smtps (Exim 4.76 #1 (Red Hat Linux)) id 1TaWdS-0004uD-0O for linux-arm-kernel@lists.infradead.org; Mon, 19 Nov 2012 19:04:05 +0000 Received: (qmail 7392 invoked from network); 19 Nov 2012 19:03:56 -0000 Received: from unknown (HELO blue.animalcreek.com) (mgreer@animalcreek.com@[68.3.93.7]) by 66.11.232.73 with SMTP; 19 Nov 2012 19:03:56 -0000 Received: from blue.animalcreek.com (localhost [127.0.0.1]) by blue.animalcreek.com (Postfix) with ESMTP id 050E065A5D; Mon, 19 Nov 2012 12:03:56 -0700 (MST) From: "Mark A. Greer" To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/7] ARM: OMAP2xxx: hwmod: Convert AES crypto devcie data to hwmod Date: Mon, 19 Nov 2012 12:03:46 -0700 Message-Id: <1353351832-6685-2-git-send-email-mgreer@animalcreek.com> X-Mailer: git-send-email 1.7.12 In-Reply-To: <1353351832-6685-1-git-send-email-mgreer@animalcreek.com> References: <1353351832-6685-1-git-send-email-mgreer@animalcreek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20121119_140400_439479_55F18F9A X-CRM114-Status: GOOD ( 17.24 ) X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [66.11.232.73 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: paul@pwsan.com, herbert@gondor.apana.org.au, khilman@deeprootsystems.com, "Mark A. Greer" , dmitry.kasatkin@intel.com, linux-crypto@vger.kernel.org, rmk+kernel@arm.linux.org.uk, davem@davemloft.net X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: "Mark A. Greer" Convert the device data for the OMAP2 AES crypto IP from explicit platform_data to hwmod. CC: Paul Walmsley Signed-off-by: Mark A. Greer --- arch/arm/mach-omap2/clock2430_data.c | 1 + arch/arm/mach-omap2/devices.c | 36 +++++++------------- arch/arm/mach-omap2/omap_hwmod_2420_data.c | 1 + arch/arm/mach-omap2/omap_hwmod_2430_data.c | 1 + .../mach-omap2/omap_hwmod_2xxx_interconnect_data.c | 18 ++++++++++ arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c | 38 ++++++++++++++++++++++ arch/arm/mach-omap2/omap_hwmod_common_data.h | 2 ++ 7 files changed, 72 insertions(+), 25 deletions(-) diff --git a/arch/arm/mach-omap2/clock2430_data.c b/arch/arm/mach-omap2/clock2430_data.c index 4d52ec6..2259356 100644 --- a/arch/arm/mach-omap2/clock2430_data.c +++ b/arch/arm/mach-omap2/clock2430_data.c @@ -1997,6 +1997,7 @@ static struct omap_clk omap2430_clks[] = { CLK("omap_rng", "ick", &rng_ick, CK_243X), CLK(NULL, "rng_ick", &rng_ick, CK_243X), CLK("omap-aes", "ick", &aes_ick, CK_243X), + CLK(NULL, "aes_ick", &aes_ick, CK_243X), CLK(NULL, "pka_ick", &pka_ick, CK_243X), CLK(NULL, "usb_fck", &usb_fck, CK_243X), CLK("musb-omap2430", "ick", &usbhs_ick, CK_243X), diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 7ecce5e..58831e5 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -470,28 +470,6 @@ static void __init omap_init_sham(void) #if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE) -#ifdef CONFIG_ARCH_OMAP2 -static struct resource omap2_aes_resources[] = { - { - .start = OMAP24XX_SEC_AES_BASE, - .end = OMAP24XX_SEC_AES_BASE + 0x4C, - .flags = IORESOURCE_MEM, - }, - { - .start = OMAP24XX_DMA_AES_TX, - .flags = IORESOURCE_DMA, - }, - { - .start = OMAP24XX_DMA_AES_RX, - .flags = IORESOURCE_DMA, - } -}; -static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources); -#else -#define omap2_aes_resources NULL -#define omap2_aes_resources_sz 0 -#endif - #ifdef CONFIG_ARCH_OMAP3 static struct resource omap3_aes_resources[] = { { @@ -522,16 +500,24 @@ static struct platform_device aes_device = { static void omap_init_aes(void) { if (cpu_is_omap24xx()) { - aes_device.resource = omap2_aes_resources; - aes_device.num_resources = omap2_aes_resources_sz; + struct omap_hwmod *oh; + struct platform_device *pdev; + + oh = omap_hwmod_lookup("aes"); + if (!oh) + return; + + pdev = omap_device_build("omap-aes", -1, oh, NULL, 0, NULL, + 0, 0); + WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n"); } else if (cpu_is_omap34xx()) { aes_device.resource = omap3_aes_resources; aes_device.num_resources = omap3_aes_resources_sz; + platform_device_register(&aes_device); } else { pr_err("%s: platform not supported\n", __func__); return; } - platform_device_register(&aes_device); } #else diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c index b102a53..613f862 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c @@ -604,6 +604,7 @@ static struct omap_hwmod_ocp_if *omap2420_hwmod_ocp_ifs[] __initdata = { &omap2420_l4_core__msdi1, &omap2xxx_l4_core__rng, &omap2xxx_l4_core__sham, + &omap2xxx_l4_core__aes, &omap2420_l4_core__hdq1w, &omap2420_l4_wkup__counter_32k, &omap2420_l3__gpmc, diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index b1ce7b0..0db06a5 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -964,6 +964,7 @@ static struct omap_hwmod_ocp_if *omap2430_hwmod_ocp_ifs[] __initdata = { &omap2430_l4_core__hdq1w, &omap2xxx_l4_core__rng, &omap2xxx_l4_core__sham, + &omap2xxx_l4_core__aes, &omap2430_l4_wkup__counter_32k, &omap2430_l3__gpmc, NULL, diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c index 4b4fd5f..96ba272 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c @@ -147,6 +147,15 @@ struct omap_hwmod_addr_space omap2xxx_sham_addrs[] = { { } }; +struct omap_hwmod_addr_space omap2xxx_aes_addrs[] = { + { + .pa_start = 0x480a6000, + .pa_end = 0x480a6000 + 0x50 - 1, + .flags = ADDR_TYPE_RT + }, + { } +}; + /* * Common interconnect data */ @@ -407,3 +416,12 @@ struct omap_hwmod_ocp_if omap2xxx_l4_core__sham = { .addr = omap2xxx_sham_addrs, .user = OCP_USER_MPU | OCP_USER_SDMA, }; + +/* l4 core -> aes interface */ +struct omap_hwmod_ocp_if omap2xxx_l4_core__aes = { + .master = &omap2xxx_l4_core_hwmod, + .slave = &omap2xxx_aes_hwmod, + .clk = "aes_ick", + .addr = omap2xxx_aes_addrs, + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c index 703b269..2f7583a 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c @@ -894,3 +894,41 @@ struct omap_hwmod omap2xxx_sham_hwmod = { }, .class = &omap2xxx_sham_class, }; + +/* AES */ + +static struct omap_hwmod_class_sysconfig omap2_aes_sysc = { + .rev_offs = 0x44, + .sysc_offs = 0x48, + .syss_offs = 0x4c, + .sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE | + SYSS_HAS_RESET_STATUS), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap2xxx_aes_class = { + .name = "aes", + .sysc = &omap2_aes_sysc, +}; + +struct omap_hwmod_dma_info omap2_aes_sdma_chs[] = { + { .name = "tx", .dma_req = OMAP24XX_DMA_AES_TX }, + { .name = "rx", .dma_req = OMAP24XX_DMA_AES_RX }, + { .dma_req = -1 } +}; + +struct omap_hwmod omap2xxx_aes_hwmod = { + .name = "aes", + .sdma_reqs = omap2_aes_sdma_chs, + .main_clk = "l4_ck", + .prcm = { + .omap2 = { + .module_offs = CORE_MOD, + .prcm_reg_id = 4, + .module_bit = OMAP24XX_EN_AES_SHIFT, + .idlest_reg_id = 4, + .idlest_idle_bit = OMAP24XX_ST_AES_SHIFT, + }, + }, + .class = &omap2xxx_aes_class, +}; diff --git a/arch/arm/mach-omap2/omap_hwmod_common_data.h b/arch/arm/mach-omap2/omap_hwmod_common_data.h index 74a7b7a..83f95b4 100644 --- a/arch/arm/mach-omap2/omap_hwmod_common_data.h +++ b/arch/arm/mach-omap2/omap_hwmod_common_data.h @@ -79,6 +79,7 @@ extern struct omap_hwmod omap2xxx_counter_32k_hwmod; extern struct omap_hwmod omap2xxx_gpmc_hwmod; extern struct omap_hwmod omap2xxx_rng_hwmod; extern struct omap_hwmod omap2xxx_sham_hwmod; +extern struct omap_hwmod omap2xxx_aes_hwmod; /* Common interface data across OMAP2xxx */ extern struct omap_hwmod_ocp_if omap2xxx_l3_main__l4_core; @@ -107,6 +108,7 @@ extern struct omap_hwmod_ocp_if omap2xxx_l4_core__dss_rfbi; extern struct omap_hwmod_ocp_if omap2xxx_l4_core__dss_venc; extern struct omap_hwmod_ocp_if omap2xxx_l4_core__rng; extern struct omap_hwmod_ocp_if omap2xxx_l4_core__sham; +extern struct omap_hwmod_ocp_if omap2xxx_l4_core__aes; /* Common IP block data */ extern struct omap_hwmod_dma_info omap2_uart1_sdma_reqs[];