openwrt_lede/target/linux/gemini/patches-4.4/121-arm-gemini-add-gmac-device.patch

--- a/arch/arm/mach-gemini/common.h
+++ b/arch/arm/mach-gemini/common.h
@@ -15,6 +15,7 @@
 #include <linux/reboot.h>
 
 struct mtd_partition;
+struct gemini_gmac_platform_data;
 
 extern void gemini_map_io(void);
 extern void gemini_init_irq(void);
@@ -28,6 +29,7 @@ extern int platform_register_pflash(unsi
 				    struct mtd_partition *parts,
 				    unsigned int nr_parts);
 extern int platform_register_watchdog(void);
+extern int platform_register_ethernet(struct gemini_gmac_platform_data *pdata);
 
 extern void gemini_restart(enum reboot_mode mode, const char *cmd);
 
--- a/arch/arm/mach-gemini/devices.c
+++ b/arch/arm/mach-gemini/devices.c
@@ -17,6 +17,7 @@
 #include <mach/irqs.h>
 #include <mach/hardware.h>
 #include <mach/global_reg.h>
+#include <mach/gmac.h>
 
 static struct plat_serial8250_port serial_platform_data[] = {
 	{
@@ -133,3 +134,56 @@ int __init platform_register_watchdog(vo
 {
 	return platform_device_register(&wdt_device);
 }
+
+static struct resource gmac_resources[] = {
+	{
+		.start	= GEMINI_TOE_BASE,
+		.end	= GEMINI_TOE_BASE + 0xffff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= IRQ_GMAC0,
+		.end	= IRQ_GMAC0,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= IRQ_GMAC1,
+		.end	= IRQ_GMAC1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static u64 gmac_dmamask = 0xffffffffUL;
+
+static struct platform_device ethernet_device = {
+	.name	= "gmac-gemini",
+	.id	= 0,
+	.dev	= {
+		.dma_mask		= &gmac_dmamask,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+	.num_resources	= ARRAY_SIZE(gmac_resources),
+	.resource	= gmac_resources,
+};
+
+int platform_register_ethernet(struct gemini_gmac_platform_data *pdata)
+{
+	unsigned int reg;
+
+	reg = readl((void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_MISC_CTRL));
+
+	reg &= ~(GMAC_GMII | GMAC_1_ENABLE);
+
+	if (pdata->bus_id[1])
+		reg |= GMAC_1_ENABLE;
+	else if (pdata->interface[0] == PHY_INTERFACE_MODE_GMII)
+		reg |= GMAC_GMII;
+
+	writel(reg, (void __iomem*)(IO_ADDRESS(GEMINI_GLOBAL_BASE) +
+		GLOBAL_MISC_CTRL));
+
+	ethernet_device.dev.platform_data = pdata;
+
+	return platform_device_register(&ethernet_device);
+}