crypto: updates to enable omap aes

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
lhanjian · Sep 3, 2010 · b744c67 · b744c67
1 parent 57a2ce5
commit b744c67
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Showing 4 changed files with 74 additions and 3 deletions.
diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c
@@ -1838,7 +1838,7 @@ static struct omap_clk omap2420_clks[] = {
 	CLK(NULL,	"des_ick",	&des_ick,	CK_242X),
 	CLK("omap-sham",	"ick",	&sha_ick,	CK_242X),
 	CLK("omap_rng",	"ick",		&rng_ick,	CK_242X),
-	CLK(NULL,	"aes_ick",	&aes_ick,	CK_242X),
+	CLK("omap-aes",	"ick",	&aes_ick,	CK_242X),
 	CLK(NULL,	"pka_ick",	&pka_ick,	CK_242X),
 	CLK(NULL,	"usb_fck",	&usb_fck,	CK_242X),
 	CLK("musb_hdrc",	"fck",	&osc_ck,	CK_242X),

diff --git a/arch/arm/mach-omap2/clock2430_data.c b/arch/arm/mach-omap2/clock2430_data.c
@@ -1926,7 +1926,7 @@ static struct omap_clk omap2430_clks[] = {
 	CLK(NULL,	"des_ick",	&des_ick,	CK_243X),
 	CLK("omap-sham",	"ick",	&sha_ick,	CK_243X),
 	CLK("omap_rng",	"ick",		&rng_ick,	CK_243X),
-	CLK(NULL,	"aes_ick",	&aes_ick,	CK_243X),
+	CLK("omap-aes",	"ick",	&aes_ick,	CK_243X),
 	CLK(NULL,	"pka_ick",	&pka_ick,	CK_243X),
 	CLK(NULL,	"usb_fck",	&usb_fck,	CK_243X),
 	CLK("musb_hdrc",	"ick",	&usbhs_ick,	CK_243X),

diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3288,7 +3288,7 @@ static struct omap_clk omap3xxx_clks[] = {
 	CLK(NULL,	"usbtll_ick",	&usbtll_ick,	CK_3430ES2 | CK_AM35XX),
 	CLK("mmci-omap-hs.2",	"ick",	&mmchs3_ick,	CK_3430ES2 | CK_AM35XX),
 	CLK(NULL,	"icr_ick",	&icr_ick,	CK_343X),
-	CLK(NULL,	"aes2_ick",	&aes2_ick,	CK_343X),
+	CLK("omap-aes",	"ick",	&aes2_ick,	CK_343X),
 	CLK("omap-sham",	"ick",	&sha12_ick,	CK_343X),
 	CLK(NULL,	"des2_ick",	&des2_ick,	CK_343X),
 	CLK("mmci-omap-hs.1",	"ick",	&mmchs2_ick,	CK_3XXX),

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
@@ -552,6 +552,76 @@ static void omap_init_sham(void)
 static inline void omap_init_sham(void) { }
 #endif
 
+#if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)
+
+#ifdef CONFIG_ARCH_OMAP24XX
+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_OMAP34XX
+static struct resource omap3_aes_resources[] = {
+	{
+		.start	= OMAP34XX_SEC_AES_BASE,
+		.end	= OMAP34XX_SEC_AES_BASE + 0x4C,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= OMAP34XX_DMA_AES2_TX,
+		.flags	= IORESOURCE_DMA,
+	},
+	{
+		.start	= OMAP34XX_DMA_AES2_RX,
+		.flags	= IORESOURCE_DMA,
+	}
+};
+static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources);
+#else
+#define omap3_aes_resources		NULL
+#define omap3_aes_resources_sz		0
+#endif
+
+static struct platform_device aes_device = {
+	.name		= "omap-aes",
+	.id		= -1,
+};
+
+static void omap_init_aes(void)
+{
+	if (cpu_is_omap24xx()) {
+		aes_device.resource = omap2_aes_resources;
+		aes_device.num_resources = omap2_aes_resources_sz;
+	} else if (cpu_is_omap34xx()) {
+		aes_device.resource = omap3_aes_resources;
+		aes_device.num_resources = omap3_aes_resources_sz;
+	} else {
+		pr_err("%s: platform not supported\n", __func__);
+		return;
+	}
+	platform_device_register(&aes_device);
+}
+
+#else
+static inline void omap_init_aes(void) { }
+#endif
+
 /*-------------------------------------------------------------------------*/
 
 #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
@@ -908,6 +978,7 @@ static int __init omap2_init_devices(void)
 	omap_hdq_init();
 	omap_init_sti();
 	omap_init_sham();
+	omap_init_aes();
 	omap_init_vout();
 
 	return 0;