davinci: EMAC platform support

Add SoC and platform-specific data and init for DaVinci EMAC network
driver.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

1 files changed, 57 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 93443a6637ea..975ed062ce24 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -279,6 +279,44 @@ struct davinci_clk dm646x_clks[] = {
         CLK(NULL, NULL, NULL),
 };
 
+#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE)
+static struct resource dm646x_emac_resources[] = {
+        {
+                .start  = DM646X_EMAC_BASE,
+                .end    = DM646X_EMAC_BASE + 0x47ff,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = IRQ_DM646X_EMACRXTHINT,
+                .end    = IRQ_DM646X_EMACRXTHINT,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DM646X_EMACRXINT,
+                .end    = IRQ_DM646X_EMACRXINT,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DM646X_EMACTXINT,
+                .end    = IRQ_DM646X_EMACTXINT,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DM646X_EMACMISCINT,
+                .end    = IRQ_DM646X_EMACMISCINT,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device dm646x_emac_device = {
+        .name           = "davinci_emac",
+        .id             = 1,
+        .num_resources  = ARRAY_SIZE(dm646x_emac_resources),
+        .resource       = dm646x_emac_resources,
+};
+
+#endif
+
 /*
  * Device specific mux setup
  *
@@ -385,6 +423,25 @@ static struct platform_device dm646x_edma_device = {
 
 /*----------------------------------------------------------------------*/
 
+#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE)
+
+void dm646x_init_emac(struct emac_platform_data *pdata)
+{
+        pdata->ctrl_reg_offset          = DM646X_EMAC_CNTRL_OFFSET;
+        pdata->ctrl_mod_reg_offset      = DM646X_EMAC_CNTRL_MOD_OFFSET;
+        pdata->ctrl_ram_offset          = DM646X_EMAC_CNTRL_RAM_OFFSET;
+        pdata->mdio_reg_offset          = DM646X_EMAC_MDIO_OFFSET;
+        pdata->ctrl_ram_size            = DM646X_EMAC_CNTRL_RAM_SIZE;
+        pdata->version                  = EMAC_VERSION_2;
+        dm646x_emac_device.dev.platform_data = pdata;
+        platform_device_register(&dm646x_emac_device);
+}
+#else
+
+void dm646x_init_emac(struct emac_platform_data *unused) {}
+
+#endif
+
 void __init dm646x_init(void)
 {
         davinci_clk_init(dm646x_clks);