1. update MAC in device tree 2. moved network driver to the end of the Makefile

src/drivers/Makefile

+#
+# Makefile for the Linux kernel device drivers.
+#
+# 15 Sep 2000, Christoph Hellwig <hch@infradead.org>
+# Rewritten to use lists instead of if-statements.
+#
+
+obj-y				+= irqchip/
+obj-y				+= bus/
+
+obj-$(CONFIG_GENERIC_PHY)	+= phy/
+
+# GPIO must come after pinctrl as gpios may need to mux pins etc
+obj-y				+= pinctrl/
+obj-y				+= gpio/
+obj-y				+= pwm/
+obj-$(CONFIG_PCI)		+= pci/
+obj-$(CONFIG_PARISC)		+= parisc/
+obj-$(CONFIG_RAPIDIO)		+= rapidio/
+obj-y				+= video/
+obj-y				+= idle/
+
+# IPMI must come before ACPI in order to provide IPMI opregion support
+obj-$(CONFIG_IPMI_HANDLER)	+= char/ipmi/
+
+obj-$(CONFIG_ACPI)		+= acpi/
+obj-$(CONFIG_SFI)		+= sfi/
+# PnP must come after ACPI since it will eventually need to check if acpi
+# was used and do nothing if so
+obj-$(CONFIG_PNP)		+= pnp/
+obj-y				+= amba/
+# Many drivers will want to use DMA so this has to be made available
+# really early.
+obj-$(CONFIG_DMADEVICES)	+= dma/
+
+# SOC specific infrastructure drivers.
+obj-y				+= soc/
+
+obj-$(CONFIG_VIRTIO)		+= virtio/
+obj-$(CONFIG_XEN)		+= xen/
+
+# regulators early, since some subsystems rely on them to initialize
+obj-$(CONFIG_REGULATOR)		+= regulator/
+
+# reset controllers early, since gpu drivers might rely on them to initialize
+obj-$(CONFIG_RESET_CONTROLLER)	+= reset/
+
+# tty/ comes before char/ so that the VT console is the boot-time
+# default.
+obj-y				+= tty/
+obj-y				+= char/
+
+# iommu/ comes before gpu as gpu are using iommu controllers
+obj-$(CONFIG_IOMMU_SUPPORT)	+= iommu/
+
+# gpu/ comes after char for AGP vs DRM startup and after iommu
+obj-y				+= gpu/
+
+obj-$(CONFIG_CONNECTOR)		+= connector/
+
+# i810fb and intelfb depend on char/agp/
+obj-$(CONFIG_FB_I810)           += video/fbdev/i810/
+obj-$(CONFIG_FB_INTEL)          += video/fbdev/intelfb/
+
+obj-$(CONFIG_PARPORT)		+= parport/
+obj-y				+= base/ block/ misc/ mfd/ nfc/
+obj-$(CONFIG_DMA_SHARED_BUFFER) += dma-buf/
+obj-$(CONFIG_NUBUS)		+= nubus/
+obj-y				+= macintosh/
+obj-$(CONFIG_IDE)		+= ide/
+obj-$(CONFIG_SCSI)		+= scsi/
+obj-$(CONFIG_ATA)		+= ata/
+obj-$(CONFIG_TARGET_CORE)	+= target/
+obj-$(CONFIG_MTD)		+= mtd/
+obj-$(CONFIG_SPI)		+= spi/
+obj-$(CONFIG_SPMI)		+= spmi/
+obj-y				+= hsi/
+
+obj-$(CONFIG_ATM)		+= atm/
+obj-$(CONFIG_FUSION)		+= message/
+obj-y				+= firewire/
+obj-$(CONFIG_UIO)		+= uio/
+obj-$(CONFIG_VFIO)		+= vfio/
+obj-y				+= cdrom/
+obj-y				+= auxdisplay/
+obj-$(CONFIG_PCCARD)		+= pcmcia/
+obj-$(CONFIG_DIO)		+= dio/
+obj-$(CONFIG_SBUS)		+= sbus/
+obj-$(CONFIG_ZORRO)		+= zorro/
+obj-$(CONFIG_ATA_OVER_ETH)	+= block/aoe/
+obj-$(CONFIG_PARIDE) 		+= block/paride/
+obj-$(CONFIG_TC)		+= tc/
+obj-$(CONFIG_UWB)		+= uwb/
+obj-$(CONFIG_USB_PHY)		+= usb/
+obj-$(CONFIG_USB)		+= usb/
+obj-$(CONFIG_PCI)		+= usb/
+obj-$(CONFIG_USB_GADGET)	+= usb/
+obj-$(CONFIG_SERIO)		+= input/serio/
+obj-$(CONFIG_GAMEPORT)		+= input/gameport/
+obj-$(CONFIG_INPUT)		+= input/
+obj-$(CONFIG_I2O)		+= message/
+obj-$(CONFIG_RTC_LIB)		+= rtc/
+obj-y				+= i2c/ media/
+obj-$(CONFIG_PPS)		+= pps/
+obj-$(CONFIG_PTP_1588_CLOCK)	+= ptp/
+obj-$(CONFIG_W1)		+= w1/
+obj-$(CONFIG_POWER_SUPPLY)	+= power/
+obj-$(CONFIG_HWMON)		+= hwmon/
+obj-$(CONFIG_THERMAL)		+= thermal/
+obj-$(CONFIG_WATCHDOG)		+= watchdog/
+obj-$(CONFIG_MD)		+= md/
+obj-$(CONFIG_BT)		+= bluetooth/
+obj-$(CONFIG_ACCESSIBILITY)	+= accessibility/
+obj-$(CONFIG_ISDN)		+= isdn/
+obj-$(CONFIG_EDAC)		+= edac/
+obj-$(CONFIG_EISA)		+= eisa/
+obj-y				+= lguest/
+obj-$(CONFIG_CPU_FREQ)		+= cpufreq/
+obj-$(CONFIG_CPU_IDLE)		+= cpuidle/
+obj-y				+= mmc/
+obj-$(CONFIG_MEMSTICK)		+= memstick/
+obj-y				+= leds/
+obj-$(CONFIG_INFINIBAND)	+= infiniband/
+obj-$(CONFIG_SGI_SN)		+= sn/
+obj-y				+= firmware/
+obj-$(CONFIG_CRYPTO)		+= crypto/
+obj-$(CONFIG_SUPERH)		+= sh/
+obj-$(CONFIG_ARCH_SHMOBILE)	+= sh/
+ifndef CONFIG_ARCH_USES_GETTIMEOFFSET
+obj-y				+= clocksource/
+endif
+obj-$(CONFIG_DCA)		+= dca/
+obj-$(CONFIG_HID)		+= hid/
+obj-$(CONFIG_PPC_PS3)		+= ps3/
+obj-$(CONFIG_OF)		+= of/
+obj-$(CONFIG_SSB)		+= ssb/
+obj-$(CONFIG_BCMA)		+= bcma/
+obj-$(CONFIG_VHOST_RING)	+= vhost/
+obj-$(CONFIG_VLYNQ)		+= vlynq/
+obj-$(CONFIG_STAGING)		+= staging/
+obj-y				+= platform/
+#common clk code
+obj-y				+= clk/
+
+obj-$(CONFIG_MAILBOX)		+= mailbox/
+obj-$(CONFIG_HWSPINLOCK)	+= hwspinlock/
+obj-$(CONFIG_REMOTEPROC)	+= remoteproc/
+obj-$(CONFIG_RPMSG)		+= rpmsg/
+
+# Virtualization drivers
+obj-$(CONFIG_VIRT_DRIVERS)	+= virt/
+obj-$(CONFIG_HYPERV)		+= hv/
+
+obj-$(CONFIG_PM_DEVFREQ)	+= devfreq/
+obj-$(CONFIG_EXTCON)		+= extcon/
+obj-$(CONFIG_MEMORY)		+= memory/
+obj-$(CONFIG_IIO)		+= iio/
+obj-$(CONFIG_VME_BUS)		+= vme/
+obj-$(CONFIG_IPACK_BUS)		+= ipack/
+obj-$(CONFIG_NTB)		+= ntb/
+obj-$(CONFIG_FMC)		+= fmc/
+obj-$(CONFIG_POWERCAP)		+= powercap/
+obj-$(CONFIG_MCB)		+= mcb/
+obj-$(CONFIG_RAS)		+= ras/
+obj-$(CONFIG_THUNDERBOLT)	+= thunderbolt/
+obj-$(CONFIG_CORESIGHT)		+= coresight/
+obj-$(CONFIG_ANDROID)		+= android/
+
+obj-$(CONFIG_ELPHEL393)		+= elphel/
+obj-$(CONFIG_ELPHELDRVONMICROZED)	+= elphel/
+
+obj-y				+= net/

src/drivers/elphel/elphel393-init.c

@@ -48,8 +48,6 @@
 #define SYSFS_READONLY            0444
 #define SYSFS_WRITEONLY           0222
 
-#define xemacps_write(base, reg, val) writel_relaxed((val), ((void __iomem *)(base)) + (reg))
-
 /*
  * Read and parse bootargs parameter in the device tree
  * This driver is run in the last place - at least after NAND driver is probed
@@ -63,6 +61,43 @@ static char boardinfo[2048];
 static char serial[13];
 static char revision[8];
 
+/*
+static int __init elphel393_early_initialize(void){
+
+	struct device_node *node;
+	struct property *newproperty;
+	u8 *macaddr;
+
+	pr_info("VERY EARLY CALL TO UPDATE DEVICE TREE");
+
+	node = of_find_node_by_name(NULL, "ps7-ethernet");
+	if (!node){
+		pr_err("Device tree node 'ps7-ethernet' not found.");
+		return -ENODEV;
+	}
+
+	newproperty = kzalloc(sizeof(*newproperty) + 6, GFP_KERNEL);
+	if (!newproperty)
+		return -ENOMEM;
+	newproperty->value = newproperty + 1;
+	newproperty->length = 6;
+	newproperty->name = kstrdup("local-mac-address", GFP_KERNEL);
+	if (!newproperty->name) {
+		kfree(newproperty);
+		return -ENOMEM;
+	}
+	macaddr = newproperty->value;
+	macaddr[0] = 0x02;
+	macaddr[1] = 0x03;
+	macaddr[2] = 0x04;
+	macaddr[3] = 0x05;
+	macaddr[4] = 0x06;
+	macaddr[5] = 0x07;
+
+	of_update_property(node,newproperty);
+	return 0;
+}
+*/
 static int __init elphel393_init_init (void)
 {
 	struct device_node *node;
@@ -195,13 +230,6 @@ static int elphel393_init_probe(struct platform_device *pdev)
 	u8 devnum= 0;
 	u8 unlock= 0;
 
-	/*
-	const u8 *mac_address;
-	u16 hwaddrh;
-	u32 hwaddrl;
-	struct device_node *node;
-	*/
-
 	pr_debug("Probing");
 	//copy bootargs string
 	bootargs_copy = kstrdup(bootargs,GFP_KERNEL);
@@ -250,24 +278,6 @@ static int elphel393_init_probe(struct platform_device *pdev)
 	// page size
 	BUG_ON(mtd->writesize > 2048);
 
-	/*
-	node = of_find_node_by_name(NULL, "ps7_ethernet_0");
-	if (!node){
-		pr_err("Device tree node 'ps7_ethernet_0' not found.");
-		return -ENODEV;
-	}
-	mac_address = of_get_mac_address(node);
-
-	hwaddrl = cpu_to_le32(*((u32 *)mac_address));
-	hwaddrh = cpu_to_le16(*((u16 *)(mac_address + 4)));
-
-	pr_info("MY_MAC_FROM_DT: 0x%08x, 0x%08x, %02x:%02x:%02x:%02x:%02x:%02x\n",
-			hwaddrl, hwaddrh,
-		(hwaddrl & 0xff), ((hwaddrl >> 8) & 0xff),
-		((hwaddrl >> 16) & 0xff), (hwaddrl >> 24),
-		(hwaddrh & 0xff), (hwaddrh >> 8));
-	*/
-
 	get_factory_info();
 	elphel393_init_sysfs_register(pdev);
 	return 0;
@@ -289,15 +299,18 @@ static int get_factory_info(void){
 	int ret;
 	char *ps,*pe;
 
-	const u8 *mac_address;
+//	const u8 *mac_address;
+	struct device_node *node;
+	struct property *newproperty;
+
+	u32 *mac32; //  = (u32*) mac_address;
+	u8 *macaddr;
 
 	// I expected to have null terminated strings
 	// but cannot get it from the declaration. Don't know.
 	memset(regvalh,0x00,5);
 	memset(regvall,0x00,9);
 
-	pr_info("reading back: 0x%08x 0x%08x\n",readl(0xE000B08C),readl(0xE000B088));
-
 	ret = mtd_read_user_prot_reg(mtd, *ppos+4*2048, size, &retlen, kbuf);
 	if (ret){
 		pr_err("Flash page read, code %d",ret);
@@ -319,16 +332,46 @@ static int get_factory_info(void){
 		kstrtou16(regvalh,16,&hwaddrh);
 		kstrtou32(regvall,16,&hwaddrl);
 
-		//xemacps_write(0xE000B000,0x88,hwaddrl);
-		//xemacps_write(0xE000B000,0x8C,hwaddrh);
-		//get mac address from device tree
+		node = of_find_node_by_name(NULL, "ps7-ethernet");
+		if (!node){
+			pr_err("Device tree node 'ps7-ethernet' not found.");
+			return -ENODEV;
+		}
+
+		pr_debug("MAC from flash: %02x:%02x:%02x:%02x:%02x:%02x\n",
+			 (hwaddrl & 0xff), ((hwaddrl >> 8) & 0xff),
+			((hwaddrl >> 16) & 0xff), (hwaddrl >> 24),
+			 (hwaddrh & 0xff), (hwaddrh >> 8));
+
+		newproperty = kzalloc(sizeof(*newproperty) + 6, GFP_KERNEL);
+		if (!newproperty)
+			return -ENOMEM;
+		newproperty->value = newproperty + 1;
+		newproperty->length = 6;
+		newproperty->name = kstrdup("local-mac-address", GFP_KERNEL);
+		if (!newproperty->name) {
+			kfree(newproperty);
+			return -ENOMEM;
+		}
+		macaddr = newproperty->value;
+		macaddr[0] = (hwaddrh >> 8) & 0xff;
+		macaddr[1] =  hwaddrh & 0xff;
+		macaddr[2] = (hwaddrl >> 24) & 0xff;
+		macaddr[3] = (hwaddrl >> 16) & 0xff;
+		macaddr[4] = (hwaddrl >> 8) & 0xff;
+		macaddr[5] =  hwaddrl & 0xff;
 
-		writel(hwaddrl,0xE000B088);
-		writel(hwaddrh,0xE000B08C);
+		of_update_property(node,newproperty);
 
-		pr_info("Wrote to hwaddr reg: 0x%08x 0x%08x\n",hwaddrh,hwaddrl);
+		mac32 = (u32 *) of_get_mac_address(node);
+		hwaddrl = cpu_to_le32(mac32[0]);
+		hwaddrh = cpu_to_le16(mac32[1]);
+
+		pr_debug("MAC from device tree: %02x:%02x:%02x:%02x:%02x:%02x\n",
+			(hwaddrl & 0xff), ((hwaddrl >> 8) & 0xff),
+			((hwaddrl >> 16) & 0xff), (hwaddrl >> 24),
+			(hwaddrh & 0xff), (hwaddrh >> 8));
 
-		pr_info("read back: 0x%08x 0x%08x\n",readl(0xE000B08C),readl(0xE000B088));
 		//write hwaddr to zynq reg
 		//kstrtou16(serial,16,&regvalh);
 		//serial
@@ -366,6 +409,8 @@ static struct platform_driver elphel393_initialize = {
 	},
 };
 
+//early_initcall(elphel393_early_initialize);
+
 module_platform_driver(elphel393_initialize);
 module_init(elphel393_init_init);
 module_exit(elphel393_init_exit);