From 660ffd6ba2405ed7ff614ab73f282e056c47d8f6 Mon Sep 17 00:00:00 2001 From: "Mark A. Greer" Date: Fri, 21 Dec 2012 09:28:09 -0700 Subject: [PATCH] ARM: OMAP2xxx: hwmod: Convert AES crypto devcie data to hwmod 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 [paul@pwsan.com: fixed lines causing sparse warnings] Signed-off-by: Paul Walmsley --- arch/arm/mach-omap2/cclock2430_data.c | 1 + arch/arm/mach-omap2/devices.c | 35 +++++------------ arch/arm/mach-omap2/omap_hwmod_2420_data.c | 1 + arch/arm/mach-omap2/omap_hwmod_2430_data.c | 1 + .../omap_hwmod_2xxx_interconnect_data.c | 18 +++++++++ .../mach-omap2/omap_hwmod_2xxx_ipblock_data.c | 38 +++++++++++++++++++ arch/arm/mach-omap2/omap_hwmod_common_data.h | 2 + 7 files changed, 71 insertions(+), 25 deletions(-) diff --git a/arch/arm/mach-omap2/cclock2430_data.c b/arch/arm/mach-omap2/cclock2430_data.c index d8bb13ef70a0..5e4b037bb24c 100644 --- a/arch/arm/mach-omap2/cclock2430_data.c +++ b/arch/arm/mach-omap2/cclock2430_data.c @@ -1982,6 +1982,7 @@ static struct omap_clk omap2430_clks[] = { CLK("omap_rng", "ick", &rng_ick), CLK(NULL, "rng_ick", &rng_ick), CLK("omap-aes", "ick", &aes_ick), + CLK(NULL, "aes_ick", &aes_ick), CLK(NULL, "pka_ick", &pka_ick), CLK(NULL, "usb_fck", &usb_fck), CLK("musb-omap2430", "ick", &usbhs_ick), diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 6ff9907e3b54..c4c7d1d70158 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -519,28 +519,6 @@ 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[] = { { @@ -571,16 +549,23 @@ 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); + 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 0c192e0403ba..5137cc84b504 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c @@ -611,6 +611,7 @@ 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 3c19b08ad5ca..4ce999ee3ee9 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 339ac273c60d..5fd40d4a989e 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 @@ static struct omap_hwmod_addr_space omap2xxx_sham_addrs[] = { { } }; +static 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 f3bdb324f6fd..c8c64b3e1acc 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c @@ -907,3 +907,41 @@ 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, +}; + +static struct omap_hwmod_dma_info omap2_aes_sdma_chs[] = { + { .name = "tx", .dma_req = 9 }, + { .name = "rx", .dma_req = 10 }, + { .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 928acd5d90e0..6e04ff7065e1 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[]; -- 2.34.1