ARM: OMAP2xxx: hwmod: Convert SHAM crypto device data to hwmod

Convert the device data for the OMAP2 SHAM 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

@@ -1978,7 +1978,8 @@ static struct omap_clk omap2430_clks[] = {
 	CLK(NULL,	"sdrc_ick",	&sdrc_ick),
 	CLK(NULL,	"des_ick",	&des_ick),
 	CLK("omap-sham",	"ick",	&sha_ick),
-	CLK("omap_rng",	"ick",		&rng_ick),
+	CLK(NULL,	"sha_ick",	&sha_ick),
+	CLK("omap_rng", "ick",		&rng_ick),
 	CLK(NULL,	"rng_ick",	&rng_ick),
 	CLK("omap-aes",	"ick",	&aes_ick),
 	CLK(NULL,	"pka_ick",	&pka_ick),

arch/arm/mach-omap2/devices.c

@@ -506,24 +506,6 @@ static void omap_init_rng(void)
 
 #if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE)
 
-#ifdef CONFIG_ARCH_OMAP2
-static struct resource omap2_sham_resources[] = {
-	{
-		.start	= OMAP24XX_SEC_SHA1MD5_BASE,
-		.end	= OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
-		.flags	= IORESOURCE_MEM,
-	},
-	{
-		.start	= 51 + OMAP_INTC_START,
-		.flags	= IORESOURCE_IRQ,
-	}
-};
-static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources);
-#else
-#define omap2_sham_resources		NULL
-#define omap2_sham_resources_sz		0
-#endif
-
 #ifdef CONFIG_ARCH_OMAP3
 static struct resource omap3_sham_resources[] = {
 	{
@@ -554,16 +536,23 @@ static struct platform_device sham_device = {
 static void omap_init_sham(void)
 {
 	if (cpu_is_omap24xx()) {
-		sham_device.resource = omap2_sham_resources;
-		sham_device.num_resources = omap2_sham_resources_sz;
+		struct omap_hwmod *oh;
+		struct platform_device *pdev;
+
+		oh = omap_hwmod_lookup("sham");
+		if (!oh)
+			return;
+
+		pdev = omap_device_build("omap-sham", -1, oh, NULL, 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;
 	}
-	platform_device_register(&sham_device);
 }
 #else
 static inline void omap_init_sham(void) { }

arch/arm/mach-omap2/omap_hwmod_2420_data.c

@@ -610,6 +610,7 @@ static struct omap_hwmod_ocp_if *omap2420_hwmod_ocp_ifs[] __initdata = {
 	&omap2420_l4_core__mcbsp2,
 	&omap2420_l4_core__msdi1,
 	&omap2xxx_l4_core__rng,
+	&omap2xxx_l4_core__sham,
 	&omap2420_l4_core__hdq1w,
 	&omap2420_l4_wkup__counter_32k,
 	&omap2420_l3__gpmc,

arch/arm/mach-omap2/omap_hwmod_2430_data.c

@@ -963,6 +963,7 @@ static struct omap_hwmod_ocp_if *omap2430_hwmod_ocp_ifs[] __initdata = {
 	&omap2430_l4_core__mcbsp5,
 	&omap2430_l4_core__hdq1w,
 	&omap2xxx_l4_core__rng,
+	&omap2xxx_l4_core__sham,
 	&omap2430_l4_wkup__counter_32k,
 	&omap2430_l3__gpmc,
 	NULL,

arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c

@@ -138,6 +138,15 @@ static struct omap_hwmod_addr_space omap2_rng_addr_space[] = {
 	{ }
 };
 
+static struct omap_hwmod_addr_space omap2xxx_sham_addrs[] = {
+	{
+		.pa_start	= 0x480a4000,
+		.pa_end		= 0x480a4000 + 0x64 - 1,
+		.flags		= ADDR_TYPE_RT
+	},
+	{ }
+};
+
 /*
  * Common interconnect data
  */
@@ -389,3 +398,12 @@ struct omap_hwmod_ocp_if omap2xxx_l4_core__rng = {
 	.addr		= omap2_rng_addr_space,
 	.user		= OCP_USER_MPU | OCP_USER_SDMA,
 };
+
+/* l4 core -> sham interface */
+struct omap_hwmod_ocp_if omap2xxx_l4_core__sham = {
+	.master		= &omap2xxx_l4_core_hwmod,
+	.slave		= &omap2xxx_sham_hwmod,
+	.clk		= "sha_ick",
+	.addr		= omap2xxx_sham_addrs,
+	.user		= OCP_USER_MPU,
+};

arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c

@@ -864,3 +864,40 @@ struct omap_hwmod omap2xxx_rng_hwmod = {
 	.flags		= HWMOD_INIT_NO_RESET,
 	.class		= &omap2_rng_hwmod_class,
 };
+
+/* SHAM */
+
+static struct omap_hwmod_class_sysconfig omap2_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 omap2xxx_sham_class = {
+	.name	= "sham",
+	.sysc	= &omap2_sham_sysc,
+};
+
+static struct omap_hwmod_irq_info omap2_sham_mpu_irqs[] = {
+	{ .irq = 51 + OMAP_INTC_START, },
+	{ .irq = -1 }
+};
+
+struct omap_hwmod omap2xxx_sham_hwmod = {
+	.name		= "sham",
+	.mpu_irqs	= omap2_sham_mpu_irqs,
+	.main_clk	= "l4_ck",
+	.prcm		= {
+		.omap2 = {
+			.module_offs = CORE_MOD,
+			.prcm_reg_id = 4,
+			.module_bit = OMAP24XX_EN_SHA_SHIFT,
+			.idlest_reg_id = 4,
+			.idlest_idle_bit = OMAP24XX_ST_SHA_SHIFT,
+		},
+	},
+	.class		= &omap2xxx_sham_class,
+};

arch/arm/mach-omap2/omap_hwmod_common_data.h

@@ -78,6 +78,7 @@ extern struct omap_hwmod omap2xxx_mcspi2_hwmod;
 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;
 
 /* Common interface data across OMAP2xxx */
 extern struct omap_hwmod_ocp_if omap2xxx_l3_main__l4_core;
@@ -105,6 +106,7 @@ extern struct omap_hwmod_ocp_if omap2xxx_l4_core__dss_dispc;
 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;
 
 /* Common IP block data */
 extern struct omap_hwmod_dma_info omap2_uart1_sdma_reqs[];