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 <paul@pwsan.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
[paul@pwsan.com: fixed lines causing sparse warnings]
Signed-off-by: Paul Walmsley <paul@pwsan.com>

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),

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

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,

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,

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,
+};

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,
+};

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[];