Merge branch 'master' of git://git.denx.de/u-boot-arm

39 files changed, 1286 insertions, 353 deletions

diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c
index c8f65739e9..4df804671a 100644
--- a/drivers/block/ahci.c
+++ b/drivers/block/ahci.c
@@ -41,7 +41,7 @@ u16 *ataid[AHCI_MAX_PORTS];
 #define WAIT_MS_SPINUP	20000
 #define WAIT_MS_DATAIO	5000
 #define WAIT_MS_FLUSH	5000
-#define WAIT_MS_LINKUP	40
+#define WAIT_MS_LINKUP	200
 
 static inline u32 ahci_port_base(u32 base, u32 port)
 {
diff --git a/drivers/core/device.c b/drivers/core/device.c
index c73c339d18..166b0732ab 100644
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -10,6 +10,7 @@
  */
 
 #include <common.h>
+#include <fdtdec.h>
 #include <malloc.h>
 #include <dm/device.h>
 #include <dm/device-internal.h>
@@ -21,6 +22,8 @@
 #include <linux/err.h>
 #include <linux/list.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 /**
  * device_chld_unbind() - Unbind all device's children from the device
  *
@@ -95,6 +98,21 @@ int device_bind(struct udevice *parent, struct driver *drv, const char *name,
 	dev->parent = parent;
 	dev->driver = drv;
 	dev->uclass = uc;
+
+	/*
+	 * For some devices, such as a SPI or I2C bus, the 'reg' property
+	 * is a reasonable indicator of the sequence number. But if there is
+	 * an alias, we use that in preference. In any case, this is just
+	 * a 'requested' sequence, and will be resolved (and ->seq updated)
+	 * when the device is probed.
+	 */
+	dev->req_seq = fdtdec_get_int(gd->fdt_blob, of_offset, "reg", -1);
+	dev->seq = -1;
+	if (uc->uc_drv->name && of_offset != -1) {
+		fdtdec_get_alias_seq(gd->fdt_blob, uc->uc_drv->name, of_offset,
+				     &dev->req_seq);
+	}
+
 	if (!dev->platdata && drv->platdata_auto_alloc_size)
 		dev->flags |= DM_FLAG_ALLOC_PDATA;
 
@@ -129,14 +147,16 @@ fail_bind:
 	return ret;
 }
 
-int device_bind_by_name(struct udevice *parent, const struct driver_info *info,
-			struct udevice **devp)
+int device_bind_by_name(struct udevice *parent, bool pre_reloc_only,
+			const struct driver_info *info, struct udevice **devp)
 {
 	struct driver *drv;
 
 	drv = lists_driver_lookup_name(info->name);
 	if (!drv)
 		return -ENOENT;
+	if (pre_reloc_only && !(drv->flags & DM_FLAG_PRE_RELOC))
+		return -EPERM;
 
 	return device_bind(parent, drv, info->name, (void *)info->platdata,
 			   -1, devp);
@@ -198,6 +218,13 @@ static void device_free(struct udevice *dev)
 		free(dev->uclass_priv);
 		dev->uclass_priv = NULL;
 	}
+	if (dev->parent) {
+		size = dev->parent->driver->per_child_auto_alloc_size;
+		if (size) {
+			free(dev->parent_priv);
+			dev->parent_priv = NULL;
+		}
+	}
 }
 
 int device_probe(struct udevice *dev)
@@ -205,6 +232,7 @@ int device_probe(struct udevice *dev)
 	struct driver *drv;
 	int size = 0;
 	int ret;
+	int seq;
 
 	if (!dev)
 		return -EINVAL;
@@ -242,11 +270,33 @@ int device_probe(struct udevice *dev)
 
 	/* Ensure all parents are probed */
 	if (dev->parent) {
+		size = dev->parent->driver->per_child_auto_alloc_size;
+		if (size) {
+			dev->parent_priv = calloc(1, size);
+			if (!dev->parent_priv) {
+				ret = -ENOMEM;
+				goto fail;
+			}
+		}
+
 		ret = device_probe(dev->parent);
 		if (ret)
 			goto fail;
 	}
 
+	seq = uclass_resolve_seq(dev);
+	if (seq < 0) {
+		ret = seq;
+		goto fail;
+	}
+	dev->seq = seq;
+
+	if (dev->parent && dev->parent->driver->child_pre_probe) {
+		ret = dev->parent->driver->child_pre_probe(dev);
+		if (ret)
+			goto fail;
+	}
+
 	if (drv->ofdata_to_platdata && dev->of_offset >= 0) {
 		ret = drv->ofdata_to_platdata(dev);
 		if (ret)
@@ -274,6 +324,7 @@ fail_uclass:
 			__func__, dev->name);
 	}
 fail:
+	dev->seq = -1;
 	device_free(dev);
 
 	return ret;
@@ -307,11 +358,20 @@ int device_remove(struct udevice *dev)
 			goto err_remove;
 	}
 
+	if (dev->parent && dev->parent->driver->child_post_remove) {
+		ret = dev->parent->driver->child_post_remove(dev);
+		if (ret) {
+			dm_warn("%s: Device '%s' failed child_post_remove()",
+				__func__, dev->name);
+		}
+	}
+
 	device_free(dev);
 
+	dev->seq = -1;
 	dev->flags &= ~DM_FLAG_ACTIVATED;
 
-	return 0;
+	return ret;
 
 err_remove:
 	/* We can't put the children back */
@@ -346,3 +406,106 @@ void *dev_get_priv(struct udevice *dev)
 
 	return dev->priv;
 }
+
+void *dev_get_parentdata(struct udevice *dev)
+{
+	if (!dev) {
+		dm_warn("%s: null device", __func__);
+		return NULL;
+	}
+
+	return dev->parent_priv;
+}
+
+static int device_get_device_tail(struct udevice *dev, int ret,
+				  struct udevice **devp)
+{
+	if (ret)
+		return ret;
+
+	ret = device_probe(dev);
+	if (ret)
+		return ret;
+
+	*devp = dev;
+
+	return 0;
+}
+
+int device_get_child(struct udevice *parent, int index, struct udevice **devp)
+{
+	struct udevice *dev;
+
+	list_for_each_entry(dev, &parent->child_head, sibling_node) {
+		if (!index--)
+			return device_get_device_tail(dev, 0, devp);
+	}
+
+	return -ENODEV;
+}
+
+int device_find_child_by_seq(struct udevice *parent, int seq_or_req_seq,
+			     bool find_req_seq, struct udevice **devp)
+{
+	struct udevice *dev;
+
+	*devp = NULL;
+	if (seq_or_req_seq == -1)
+		return -ENODEV;
+
+	list_for_each_entry(dev, &parent->child_head, sibling_node) {
+		if ((find_req_seq ? dev->req_seq : dev->seq) ==
+				seq_or_req_seq) {
+			*devp = dev;
+			return 0;
+		}
+	}
+
+	return -ENODEV;
+}
+
+int device_get_child_by_seq(struct udevice *parent, int seq,
+			    struct udevice **devp)
+{
+	struct udevice *dev;
+	int ret;
+
+	*devp = NULL;
+	ret = device_find_child_by_seq(parent, seq, false, &dev);
+	if (ret == -ENODEV) {
+		/*
+		 * We didn't find it in probed devices. See if there is one
+		 * that will request this seq if probed.
+		 */
+		ret = device_find_child_by_seq(parent, seq, true, &dev);
+	}
+	return device_get_device_tail(dev, ret, devp);
+}
+
+int device_find_child_by_of_offset(struct udevice *parent, int of_offset,
+				   struct udevice **devp)
+{
+	struct udevice *dev;
+
+	*devp = NULL;
+
+	list_for_each_entry(dev, &parent->child_head, sibling_node) {
+		if (dev->of_offset == of_offset) {
+			*devp = dev;
+			return 0;
+		}
+	}
+
+	return -ENODEV;
+}
+
+int device_get_child_by_of_offset(struct udevice *parent, int seq,
+				  struct udevice **devp)
+{
+	struct udevice *dev;
+	int ret;
+
+	*devp = NULL;
+	ret = device_find_child_by_of_offset(parent, seq, &dev);
+	return device_get_device_tail(dev, ret, devp);
+}
diff --git a/drivers/core/lists.c b/drivers/core/lists.c
index afb59d1d8d..0f08bfd6ff 100644
--- a/drivers/core/lists.c
+++ b/drivers/core/lists.c
@@ -11,6 +11,7 @@
 #include <errno.h>
 #include <dm/device.h>
 #include <dm/device-internal.h>
+#include <dm/lists.h>
 #include <dm/platdata.h>
 #include <dm/uclass.h>
 #include <dm/util.h>
@@ -61,7 +62,7 @@ struct uclass_driver *lists_uclass_lookup(enum uclass_id id)
 	return NULL;
 }
 
-int lists_bind_drivers(struct udevice *parent)
+int lists_bind_drivers(struct udevice *parent, bool pre_reloc_only)
 {
 	struct driver_info *info =
 		ll_entry_start(struct driver_info, driver_info);
@@ -72,8 +73,8 @@ int lists_bind_drivers(struct udevice *parent)
 	int ret;
 
 	for (entry = info; entry != info + n_ents; entry++) {
-		ret = device_bind_by_name(parent, entry, &dev);
-		if (ret) {
+		ret = device_bind_by_name(parent, pre_reloc_only, entry, &dev);
+		if (ret && ret != -EPERM) {
 			dm_warn("No match for driver '%s'\n", entry->name);
 			if (!result || ret != -ENOENT)
 				result = ret;
@@ -123,16 +124,19 @@ int lists_bind_fdt(struct udevice *parent, const void *blob, int offset)
 	const int n_ents = ll_entry_count(struct driver, driver);
 	struct driver *entry;
 	struct udevice *dev;
+	bool found = false;
 	const char *name;
 	int result = 0;
-	int ret;
+	int ret = 0;
 
 	dm_dbg("bind node %s\n", fdt_get_name(blob, offset, NULL));
 	for (entry = driver; entry != driver + n_ents; entry++) {
 		ret = driver_check_compatible(blob, offset, entry->of_match);
+		name = fdt_get_name(blob, offset, NULL);
 		if (ret == -ENOENT) {
 			continue;
 		} else if (ret == -ENODEV) {
+			dm_dbg("Device '%s' has no compatible string\n", name);
 			break;
 		} else if (ret) {
 			dm_warn("Device tree error at offset %d\n", offset);
@@ -141,14 +145,21 @@ int lists_bind_fdt(struct udevice *parent, const void *blob, int offset)
 			break;
 		}
 
-		name = fdt_get_name(blob, offset, NULL);
 		dm_dbg("   - found match at '%s'\n", entry->name);
 		ret = device_bind(parent, entry, name, NULL, offset, &dev);
 		if (ret) {
-			dm_warn("No match for driver '%s'\n", entry->name);
+			dm_warn("Error binding driver '%s'\n", entry->name);
 			if (!result || ret != -ENOENT)
 				result = ret;
+		} else {
+			found = true;
 		}
+		break;
+	}
+
+	if (!found && !result && ret != -ENODEV) {
+		dm_dbg("No match for node '%s'\n",
+		       fdt_get_name(blob, offset, NULL));
 	}
 
 	return result;
diff --git a/drivers/core/root.c b/drivers/core/root.c
index 1cbb096494..393dd98b9d 100644
--- a/drivers/core/root.c
+++ b/drivers/core/root.c
@@ -15,6 +15,7 @@
 #include <dm/device-internal.h>
 #include <dm/lists.h>
 #include <dm/platdata.h>
+#include <dm/root.h>
 #include <dm/uclass.h>
 #include <dm/util.h>
 #include <linux/list.h>
@@ -45,18 +46,29 @@ int dm_init(void)
 	}
 	INIT_LIST_HEAD(&DM_UCLASS_ROOT_NON_CONST);
 
-	ret = device_bind_by_name(NULL, &root_info, &DM_ROOT_NON_CONST);
+	ret = device_bind_by_name(NULL, false, &root_info, &DM_ROOT_NON_CONST);
 	if (ret)
 		return ret;
+	ret = device_probe(DM_ROOT_NON_CONST);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+int dm_uninit(void)
+{
+	device_remove(dm_root());
+	device_unbind(dm_root());
 
 	return 0;
 }
 
-int dm_scan_platdata(void)
+int dm_scan_platdata(bool pre_reloc_only)
 {
 	int ret;
 
-	ret = lists_bind_drivers(DM_ROOT_NON_CONST);
+	ret = lists_bind_drivers(DM_ROOT_NON_CONST, pre_reloc_only);
 	if (ret == -ENOENT) {
 		dm_warn("Some drivers were not found\n");
 		ret = 0;
@@ -68,27 +80,66 @@ int dm_scan_platdata(void)
 }
 
 #ifdef CONFIG_OF_CONTROL
-int dm_scan_fdt(const void *blob)
+int dm_scan_fdt_node(struct udevice *parent, const void *blob, int offset,
+		     bool pre_reloc_only)
 {
-	int offset = 0;
 	int ret = 0, err;
-	int depth = 0;
 
-	do {
-		offset = fdt_next_node(blob, offset, &depth);
-		if (offset > 0 && depth == 1) {
-			err = lists_bind_fdt(gd->dm_root, blob, offset);
-			if (err && !ret)
-				ret = err;
-		}
-	} while (offset > 0);
+	for (offset = fdt_first_subnode(blob, offset);
+	     offset > 0;
+	     offset = fdt_next_subnode(blob, offset)) {
+		if (pre_reloc_only &&
+		    !fdt_getprop(blob, offset, "u-boot,dm-pre-reloc", NULL))
+			continue;
+		err = lists_bind_fdt(parent, blob, offset);
+		if (err && !ret)
+			ret = err;
+	}
 
 	if (ret)
 		dm_warn("Some drivers failed to bind\n");
 
 	return ret;
 }
+
+int dm_scan_fdt(const void *blob, bool pre_reloc_only)
+{
+	return dm_scan_fdt_node(gd->dm_root, blob, 0, pre_reloc_only);
+}
+#endif
+
+__weak int dm_scan_other(bool pre_reloc_only)
+{
+	return 0;
+}
+
+int dm_init_and_scan(bool pre_reloc_only)
+{
+	int ret;
+
+	ret = dm_init();
+	if (ret) {
+		debug("dm_init() failed: %d\n", ret);
+		return ret;
+	}
+	ret = dm_scan_platdata(pre_reloc_only);
+	if (ret) {
+		debug("dm_scan_platdata() failed: %d\n", ret);
+		return ret;
+	}
+#ifdef CONFIG_OF_CONTROL
+	ret = dm_scan_fdt(gd->fdt_blob, pre_reloc_only);
+	if (ret) {
+		debug("dm_scan_fdt() failed: %d\n", ret);
+		return ret;
+	}
 #endif
+	ret = dm_scan_other(pre_reloc_only);
+	if (ret)
+		return ret;
+
+	return 0;
+}
 
 /* This is the root driver - all drivers are children of this */
 U_BOOT_DRIVER(root_driver) = {
diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
index 34723ec42a..61ca17e564 100644
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -23,6 +23,8 @@ struct uclass *uclass_find(enum uclass_id key)
 {
 	struct uclass *uc;
 
+	if (!gd->dm_root)
+		return NULL;
 	/*
 	 * TODO(sjg@chromium.org): Optimise this, perhaps moving the found
 	 * node to the start of the list, or creating a linear array mapping
@@ -158,13 +160,72 @@ int uclass_find_device(enum uclass_id id, int index, struct udevice **devp)
 	return -ENODEV;
 }
 
-int uclass_get_device(enum uclass_id id, int index, struct udevice **devp)
+int uclass_find_device_by_seq(enum uclass_id id, int seq_or_req_seq,
+			      bool find_req_seq, struct udevice **devp)
 {
+	struct uclass *uc;
 	struct udevice *dev;
 	int ret;
 
 	*devp = NULL;
-	ret = uclass_find_device(id, index, &dev);
+	debug("%s: %d %d\n", __func__, find_req_seq, seq_or_req_seq);
+	if (seq_or_req_seq == -1)
+		return -ENODEV;
+	ret = uclass_get(id, &uc);
+	if (ret)
+		return ret;
+
+	list_for_each_entry(dev, &uc->dev_head, uclass_node) {
+		debug("   - %d %d\n", dev->req_seq, dev->seq);
+		if ((find_req_seq ? dev->req_seq : dev->seq) ==
+				seq_or_req_seq) {
+			*devp = dev;
+			debug("   - found\n");
+			return 0;
+		}
+	}
+	debug("   - not found\n");
+
+	return -ENODEV;
+}
+
+static int uclass_find_device_by_of_offset(enum uclass_id id, int node,
+					   struct udevice **devp)
+{
+	struct uclass *uc;
+	struct udevice *dev;
+	int ret;
+
+	*devp = NULL;
+	if (node < 0)
+		return -ENODEV;
+	ret = uclass_get(id, &uc);
+	if (ret)
+		return ret;
+
+	list_for_each_entry(dev, &uc->dev_head, uclass_node) {
+		if (dev->of_offset == node) {
+			*devp = dev;
+			return 0;
+		}
+	}
+
+	return -ENODEV;
+}
+
+/**
+ * uclass_get_device_tail() - handle the end of a get_device call
+ *
+ * This handles returning an error or probing a device as needed.
+ *
+ * @dev: Device that needs to be probed
+ * @ret: Error to return. If non-zero then the device is not probed
+ * @devp: Returns the value of 'dev' if there is no error
+ * @return ret, if non-zero, else the result of the device_probe() call
+ */
+static int uclass_get_device_tail(struct udevice *dev, int ret,
+				  struct udevice **devp)
+{
 	if (ret)
 		return ret;
 
@@ -177,6 +238,44 @@ int uclass_get_device(enum uclass_id id, int index, struct udevice **devp)
 	return 0;
 }
 
+int uclass_get_device(enum uclass_id id, int index, struct udevice **devp)
+{
+	struct udevice *dev;
+	int ret;
+
+	*devp = NULL;
+	ret = uclass_find_device(id, index, &dev);
+	return uclass_get_device_tail(dev, ret, devp);
+}
+
+int uclass_get_device_by_seq(enum uclass_id id, int seq, struct udevice **devp)
+{
+	struct udevice *dev;
+	int ret;
+
+	*devp = NULL;
+	ret = uclass_find_device_by_seq(id, seq, false, &dev);
+	if (ret == -ENODEV) {
+		/*
+		 * We didn't find it in probed devices. See if there is one
+		 * that will request this seq if probed.
+		 */
+		ret = uclass_find_device_by_seq(id, seq, true, &dev);
+	}
+	return uclass_get_device_tail(dev, ret, devp);
+}
+
+int uclass_get_device_by_of_offset(enum uclass_id id, int node,
+				   struct udevice **devp)
+{
+	struct udevice *dev;
+	int ret;
+
+	*devp = NULL;
+	ret = uclass_find_device_by_of_offset(id, node, &dev);
+	return uclass_get_device_tail(dev, ret, devp);
+}
+
 int uclass_first_device(enum uclass_id id, struct udevice **devp)
 {
 	struct uclass *uc;
@@ -254,6 +353,37 @@ int uclass_unbind_device(struct udevice *dev)
 	return 0;
 }
 
+int uclass_resolve_seq(struct udevice *dev)
+{
+	struct udevice *dup;
+	int seq;
+	int ret;
+
+	assert(dev->seq == -1);
+	ret = uclass_find_device_by_seq(dev->uclass->uc_drv->id, dev->req_seq,
+					false, &dup);
+	if (!ret) {
+		dm_warn("Device '%s': seq %d is in use by '%s'\n",
+			dev->name, dev->req_seq, dup->name);
+	} else if (ret == -ENODEV) {
+		/* Our requested sequence number is available */
+		if (dev->req_seq != -1)
+			return dev->req_seq;
+	} else {
+		return ret;
+	}
+
+	for (seq = 0; seq < DM_MAX_SEQ; seq++) {
+		ret = uclass_find_device_by_seq(dev->uclass->uc_drv->id, seq,
+						false, &dup);
+		if (ret == -ENODEV)
+			break;
+		if (ret)
+			return ret;
+	}
+	return seq;
+}
+
 int uclass_post_probe_device(struct udevice *dev)
 {
 	struct uclass_driver *uc_drv = dev->uclass->uc_drv;
@@ -281,6 +411,7 @@ int uclass_pre_remove_device(struct udevice *dev)
 		free(dev->uclass_priv);
 		dev->uclass_priv = NULL;
 	}
+	dev->seq = -1;
 
 	return 0;
 }
diff --git a/drivers/demo/demo-uclass.c b/drivers/demo/demo-uclass.c
index 636fd8831f..f6510d602c 100644
--- a/drivers/demo/demo-uclass.c
+++ b/drivers/demo/demo-uclass.c
@@ -19,6 +19,7 @@
 DECLARE_GLOBAL_DATA_PTR;
 
 UCLASS_DRIVER(demo) = {
+	.name		= "demo",
 	.id		= UCLASS_DEMO,
 };
 
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 4e001e12bd..aa11f15423 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -5,7 +5,9 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
+ifndef CONFIG_SPL_BUILD
 obj-$(CONFIG_DM_GPIO)		+= gpio-uclass.o
+endif
 
 obj-$(CONFIG_AT91_GPIO)	+= at91_gpio.o
 obj-$(CONFIG_INTEL_ICH6_GPIO)	+= intel_ich6_gpio.o
@@ -34,3 +36,4 @@ obj-$(CONFIG_XILINX_GPIO)	+= xilinx_gpio.o
 obj-$(CONFIG_ADI_GPIO2)	+= adi_gpio2.o
 obj-$(CONFIG_TCA642X)		+= tca642x.o
 oby-$(CONFIG_SX151X)		+= sx151x.o
+obj-$(CONFIG_SUNXI_GPIO)	+= sunxi_gpio.o
diff --git a/drivers/gpio/sunxi_gpio.c b/drivers/gpio/sunxi_gpio.c
new file mode 100644
index 0000000000..0c50a8f332
--- /dev/null
+++ b/drivers/gpio/sunxi_gpio.c
@@ -0,0 +1,102 @@
+/*
+ * (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net>
+ *
+ * Based on earlier arch/arm/cpu/armv7/sunxi/gpio.c:
+ *
+ * (C) Copyright 2007-2011
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Tom Cubie <tangliang@allwinnertech.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+
+static int sunxi_gpio_output(u32 pin, u32 val)
+{
+	u32 dat;
+	u32 bank = GPIO_BANK(pin);
+	u32 num = GPIO_NUM(pin);
+	struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
+
+	dat = readl(&pio->dat);
+	if (val)
+		dat |= 0x1 << num;
+	else
+		dat &= ~(0x1 << num);
+
+	writel(dat, &pio->dat);
+
+	return 0;
+}
+
+static int sunxi_gpio_input(u32 pin)
+{
+	u32 dat;
+	u32 bank = GPIO_BANK(pin);
+	u32 num = GPIO_NUM(pin);
+	struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
+
+	dat = readl(&pio->dat);
+	dat >>= num;
+
+	return dat & 0x1;
+}
+
+int gpio_request(unsigned gpio, const char *label)
+{
+	return 0;
+}
+
+int gpio_free(unsigned gpio)
+{
+	return 0;
+}
+
+int gpio_direction_input(unsigned gpio)
+{
+	sunxi_gpio_set_cfgpin(gpio, SUNXI_GPIO_INPUT);
+
+	return sunxi_gpio_input(gpio);
+}
+
+int gpio_direction_output(unsigned gpio, int value)
+{
+	sunxi_gpio_set_cfgpin(gpio, SUNXI_GPIO_OUTPUT);
+
+	return sunxi_gpio_output(gpio, value);
+}
+
+int gpio_get_value(unsigned gpio)
+{
+	return sunxi_gpio_input(gpio);
+}
+
+int gpio_set_value(unsigned gpio, int value)
+{
+	return sunxi_gpio_output(gpio, value);
+}
+
+int sunxi_name_to_gpio(const char *name)
+{
+	int group = 0;
+	int groupsize = 9 * 32;
+	long pin;
+	char *eptr;
+	if (*name == 'P' || *name == 'p')
+		name++;
+	if (*name >= 'A') {
+		group = *name - (*name > 'a' ? 'a' : 'A');
+		groupsize = 32;
+		name++;
+	}
+
+	pin = simple_strtol(name, &eptr, 10);
+	if (!*name || *eptr)
+		return -1;
+	if (pin < 0 || pin > groupsize || group >= 9)
+		return -1;
+	return group * 32 + pin;
+}
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 96bd45d853..416ea4f2c8 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -7,7 +7,6 @@
 
 obj-$(CONFIG_BFIN_TWI_I2C) += bfin-twi_i2c.o
 obj-$(CONFIG_DW_I2C) += designware_i2c.o
-obj-$(CONFIG_I2C_MVTWSI) += mvtwsi.o
 obj-$(CONFIG_I2C_MV) += mv_i2c.o
 obj-$(CONFIG_I2C_MXS) += mxs_i2c.o
 obj-$(CONFIG_PCA9564_I2C) += pca9564_i2c.o
@@ -20,6 +19,7 @@ obj-$(CONFIG_SYS_I2C_FSL) += fsl_i2c.o
 obj-$(CONFIG_SYS_I2C_FTI2C010) += fti2c010.o
 obj-$(CONFIG_SYS_I2C_IHS) += ihs_i2c.o
 obj-$(CONFIG_SYS_I2C_KONA) += kona_i2c.o
+obj-$(CONFIG_SYS_I2C_MVTWSI) += mvtwsi.o
 obj-$(CONFIG_SYS_I2C_MXC) += mxc_i2c.o
 obj-$(CONFIG_SYS_I2C_OMAP24XX) += omap24xx_i2c.o
 obj-$(CONFIG_SYS_I2C_OMAP34XX) += omap24xx_i2c.o
diff --git a/drivers/i2c/fsl_i2c.c b/drivers/i2c/fsl_i2c.c
index aa159f8d41..811033b0b8 100644
--- a/drivers/i2c/fsl_i2c.c
+++ b/drivers/i2c/fsl_i2c.c
@@ -46,10 +46,16 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-static const struct fsl_i2c *i2c_dev[2] = {
+static const struct fsl_i2c *i2c_dev[4] = {
 	(struct fsl_i2c *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C_OFFSET),
 #ifdef CONFIG_SYS_FSL_I2C2_OFFSET
-	(struct fsl_i2c *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C2_OFFSET)
+	(struct fsl_i2c *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C2_OFFSET),
+#endif
+#ifdef CONFIG_SYS_FSL_I2C3_OFFSET
+	(struct fsl_i2c *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C3_OFFSET),
+#endif
+#ifdef CONFIG_SYS_FSL_I2C4_OFFSET
+	(struct fsl_i2c *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C4_OFFSET)
 #endif
 };
 
@@ -539,3 +545,15 @@ U_BOOT_I2C_ADAP_COMPLETE(fsl_1, fsl_i2c_init, fsl_i2c_probe, fsl_i2c_read,
 			 CONFIG_SYS_FSL_I2C2_SPEED, CONFIG_SYS_FSL_I2C2_SLAVE,
 			 1)
 #endif
+#ifdef CONFIG_SYS_FSL_I2C3_OFFSET
+U_BOOT_I2C_ADAP_COMPLETE(fsl_2, fsl_i2c_init, fsl_i2c_probe, fsl_i2c_read,
+			 fsl_i2c_write, fsl_i2c_set_bus_speed,
+			 CONFIG_SYS_FSL_I2C3_SPEED, CONFIG_SYS_FSL_I2C3_SLAVE,
+			 2)
+#endif
+#ifdef CONFIG_SYS_FSL_I2C4_OFFSET
+U_BOOT_I2C_ADAP_COMPLETE(fsl_3, fsl_i2c_init, fsl_i2c_probe, fsl_i2c_read,
+			 fsl_i2c_write, fsl_i2c_set_bus_speed,
+			 CONFIG_SYS_FSL_I2C4_SPEED, CONFIG_SYS_FSL_I2C4_SLAVE,
+			 3)
+#endif
diff --git a/drivers/i2c/mvtwsi.c b/drivers/i2c/mvtwsi.c
index 5ba0e03862..ab3ffa0fc1 100644
--- a/drivers/i2c/mvtwsi.c
+++ b/drivers/i2c/mvtwsi.c
@@ -22,6 +22,8 @@
 #include <asm/arch/orion5x.h>
 #elif defined(CONFIG_KIRKWOOD)
 #include <asm/arch/kirkwood.h>
+#elif defined(CONFIG_SUNXI)
+#include <asm/arch/i2c.h>
 #else
 #error Driver mvtwsi not supported by SoC or board
 #endif
@@ -30,6 +32,20 @@
  * TWSI register structure
  */
 
+#ifdef CONFIG_SUNXI
+
+struct  mvtwsi_registers {
+	u32 slave_address;
+	u32 xtnd_slave_addr;
+	u32 data;
+	u32 control;
+	u32 status;
+	u32 baudrate;
+	u32 soft_reset;
+};
+
+#else
+
 struct  mvtwsi_registers {
 	u32 slave_address;
 	u32 data;
@@ -43,6 +59,8 @@ struct  mvtwsi_registers {
 	u32 soft_reset;
 };
 
+#endif
+
 /*
  * Control register fields
  */
@@ -220,11 +238,10 @@ static int twsi_stop(int status)
 
 /*
  * Reset controller.
- * Called at end of i2c_init unsuccessful i2c transactions.
  * Controller reset also resets the baud rate and slave address, so
- * re-establish them.
+ * they must be re-established afterwards.
  */
-static void twsi_reset(u8 baud_rate, u8 slave_address)
+static void twsi_reset(struct i2c_adapter *adap)
 {
 	/* ensure controller will be enabled by any twsi*() function */
 	twsi_control_flags = MVTWSI_CONTROL_TWSIEN;
@@ -232,23 +249,17 @@ static void twsi_reset(u8 baud_rate, u8 slave_address)
 	writel(0, &twsi->soft_reset);
 	/* wait 2 ms -- this is what the Marvell LSP does */
 	udelay(20000);
-	/* set baud rate */
-	writel(baud_rate, &twsi->baudrate);
-	/* set slave address even though we don't use it */
-	writel(slave_address, &twsi->slave_address);
-	writel(0, &twsi->xtnd_slave_addr);
-	/* assert STOP but don't care for the result */
-	(void) twsi_stop(0);
 }
 
 /*
  * I2C init called by cmd_i2c when doing 'i2c reset'.
  * Sets baud to the highest possible value not exceeding requested one.
  */
-void i2c_init(int requested_speed, int slaveadd)
+static unsigned int twsi_i2c_set_bus_speed(struct i2c_adapter *adap,
+					   unsigned int requested_speed)
 {
-	int	tmp_speed, highest_speed, n, m;
-	int	baud = 0x44; /* baudrate at controller reset */
+	unsigned int tmp_speed, highest_speed, n, m;
+	unsigned int baud = 0x44; /* baudrate at controller reset */
 
 	/* use actual speed to collect progressively higher values */
 	highest_speed = 0;
@@ -263,8 +274,21 @@ void i2c_init(int requested_speed, int slaveadd)
 			}
 		}
 	}
+	writel(baud, &twsi->baudrate);
+	return 0;
+}
+
+static void twsi_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd)
+{
 	/* reset controller */
-	twsi_reset(baud, slaveadd);
+	twsi_reset(adap);
+	/* set speed */
+	twsi_i2c_set_bus_speed(adap, speed);
+	/* set slave address even though we don't use it */
+	writel(slaveadd, &twsi->slave_address);
+	writel(0, &twsi->xtnd_slave_addr);
+	/* assert STOP but don't care for the result */
+	(void) twsi_stop(0);
 }
 
 /*
@@ -294,7 +318,7 @@ static int i2c_begin(int expected_start_status, u8 addr)
  * I2C probe called by cmd_i2c when doing 'i2c probe'.
  * Begin read, nak data byte, end.
  */
-int i2c_probe(uchar chip)
+static int twsi_i2c_probe(struct i2c_adapter *adap, uchar chip)
 {
 	u8 dummy_byte;
 	int status;
@@ -320,12 +344,13 @@ int i2c_probe(uchar chip)
  * cmd_eeprom, so we have to choose here, and for the moment that'll be
  * a repeated start without a preceding stop.
  */
-int i2c_read(u8 dev, uint addr, int alen, u8 *data, int length)
+static int twsi_i2c_read(struct i2c_adapter *adap, uchar chip, uint addr,
+			int alen, uchar *data, int length)
 {
 	int status;
 
 	/* begin i2c write to send the address bytes */
-	status = i2c_begin(MVTWSI_STATUS_START, (dev << 1));
+	status = i2c_begin(MVTWSI_STATUS_START, (chip << 1));
 	/* send addr bytes */
 	while ((status == 0) && alen--)
 		status = twsi_send(addr >> (8*alen),
@@ -333,7 +358,7 @@ int i2c_read(u8 dev, uint addr, int alen, u8 *data, int length)
 	/* begin i2c read to receive eeprom data bytes */
 	if (status == 0)
 		status = i2c_begin(
-			MVTWSI_STATUS_REPEATED_START, (dev << 1) | 1);
+			MVTWSI_STATUS_REPEATED_START, (chip << 1) | 1);
 	/* prepare ACK if at least one byte must be received */
 	if (length > 0)
 		twsi_control_flags |= MVTWSI_CONTROL_ACK;
@@ -355,12 +380,13 @@ int i2c_read(u8 dev, uint addr, int alen, u8 *data, int length)
  * I2C write called by cmd_i2c when doing 'i2c write' and by cmd_eeprom.c
  * Begin write, send address byte(s), send data bytes, end.
  */
-int i2c_write(u8 dev, uint addr, int alen, u8 *data, int length)
+static int twsi_i2c_write(struct i2c_adapter *adap, uchar chip, uint addr,
+			int alen, uchar *data, int length)
 {
 	int status;
 
 	/* begin i2c write to send the eeprom adress bytes then data bytes */
-	status = i2c_begin(MVTWSI_STATUS_START, (dev << 1));
+	status = i2c_begin(MVTWSI_STATUS_START, (chip << 1));
 	/* send addr bytes */
 	while ((status == 0) && alen--)
 		status = twsi_send(addr >> (8*alen),
@@ -374,21 +400,7 @@ int i2c_write(u8 dev, uint addr, int alen, u8 *data, int length)
 	return status;
 }
 
-/*
- * Bus set routine: we only support bus 0.
- */
-int i2c_set_bus_num(unsigned int bus)
-{
-	if (bus > 0) {
-		return -1;
-	}
-	return 0;
-}
-
-/*
- * Bus get routine: hard-return bus 0.
- */
-unsigned int i2c_get_bus_num(void)
-{
-	return 0;
-}
+U_BOOT_I2C_ADAP_COMPLETE(twsi0, twsi_i2c_init, twsi_i2c_probe,
+			 twsi_i2c_read, twsi_i2c_write,
+			 twsi_i2c_set_bus_speed,
+			 CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, 0)
diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c
index a39b5917ec..0f1e35c460 100644
--- a/drivers/i2c/omap24xx_i2c.c
+++ b/drivers/i2c/omap24xx_i2c.c
@@ -153,11 +153,60 @@ static uint omap24_i2c_setspeed(struct i2c_adapter *adap, uint speed)
 
 	return 0;
 }
+
+static void omap24_i2c_deblock(struct i2c_adapter *adap)
+{
+	struct i2c *i2c_base = omap24_get_base(adap);
+	int i;
+	u16 systest;
+	u16 orgsystest;
+
+	/* set test mode ST_EN = 1 */
+	orgsystest = readw(&i2c_base->systest);
+	systest = orgsystest;
+	/* enable testmode */
+	systest |= I2C_SYSTEST_ST_EN;
+	writew(systest, &i2c_base->systest);
+	systest &= ~I2C_SYSTEST_TMODE_MASK;
+	systest |= 3 << I2C_SYSTEST_TMODE_SHIFT;
+	writew(systest, &i2c_base->systest);
+
+	/* set SCL, SDA  = 1 */
+	systest |= I2C_SYSTEST_SCL_O | I2C_SYSTEST_SDA_O;
+	writew(systest, &i2c_base->systest);
+	udelay(10);
+
+	/* toggle scl 9 clocks */
+	for (i = 0; i < 9; i++) {
+		/* SCL = 0 */
+		systest &= ~I2C_SYSTEST_SCL_O;
+		writew(systest, &i2c_base->systest);
+		udelay(10);
+		/* SCL = 1 */
+		systest |= I2C_SYSTEST_SCL_O;
+		writew(systest, &i2c_base->systest);
+		udelay(10);
+	}
+
+	/* send stop */
+	systest &= ~I2C_SYSTEST_SDA_O;
+	writew(systest, &i2c_base->systest);
+	udelay(10);
+	systest |= I2C_SYSTEST_SCL_O | I2C_SYSTEST_SDA_O;
+	writew(systest, &i2c_base->systest);
+	udelay(10);
+
+	/* restore original mode */
+	writew(orgsystest, &i2c_base->systest);
+}
+
 static void omap24_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd)
 {
 	struct i2c *i2c_base = omap24_get_base(adap);
 	int timeout = I2C_TIMEOUT;
+	int deblock = 1;
 
+retry:
 	if (readw(&i2c_base->con) & I2C_CON_EN) {
 		writew(0, &i2c_base->con);
 		udelay(50000);
@@ -194,6 +243,14 @@ static void omap24_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd)
 	udelay(1000);
 	flush_fifo(adap);
 	writew(0xFFFF, &i2c_base->stat);
+
+	/* Handle possible failed I2C state */
+	if (wait_for_bb(adap))
+		if (deblock == 1) {
+			omap24_i2c_deblock(adap);
+			deblock = 0;
+			goto retry;
+		}
 }
 
 static void flush_fifo(struct i2c_adapter *adap)
diff --git a/drivers/input/cros_ec_keyb.c b/drivers/input/cros_ec_keyb.c
index a2501e0206..47502b1763 100644
--- a/drivers/input/cros_ec_keyb.c
+++ b/drivers/input/cros_ec_keyb.c
@@ -93,7 +93,7 @@ static int check_for_keys(struct keyb *config,
  *
  * @return 0 if no keys available, 1 if keys are available
  */
-static int kbd_tstc(void)
+static int kbd_tstc(struct stdio_dev *dev)
 {
 	/* Just get input to do this for us */
 	return config.inited ? input_tstc(&config.input) : 0;
@@ -104,7 +104,7 @@ static int kbd_tstc(void)
  *
  * @return ASCII key code, or 0 if no key, or -1 if error
  */
-static int kbd_getc(void)
+static int kbd_getc(struct stdio_dev *dev)
 {
 	/* Just get input to do this for us */
 	return config.inited ? input_getc(&config.input) : 0;
@@ -214,7 +214,7 @@ static int cros_ec_keyb_decode_fdt(const void *blob, int node,
  *
  * @return 0 if ok, -1 on error
  */
-static int cros_ec_init_keyboard(void)
+static int cros_ec_init_keyboard(struct stdio_dev *dev)
 {
 	const void *blob = gd->fdt_blob;
 	int node;
diff --git a/drivers/input/i8042.c b/drivers/input/i8042.c
index 35fa0bb504..ca1604c540 100644
--- a/drivers/input/i8042.c
+++ b/drivers/input/i8042.c
@@ -398,7 +398,7 @@ int i8042_kbd_init(void)
  * i8042_tstc - test if keyboard input is available
  *		option: cursor blinking if called in a loop
  */
-int i8042_tstc(void)
+int i8042_tstc(struct stdio_dev *dev)
 {
 	unsigned char scan_code = 0;
 
@@ -432,7 +432,7 @@ int i8042_tstc(void)
  * i8042_getc - wait till keyboard input is available
  *		option: turn on/off cursor while waiting
  */
-int i8042_getc(void)
+int i8042_getc(struct stdio_dev *dev)
 {
 	int ret_chr;
 	unsigned char scan_code;
diff --git a/drivers/input/keyboard.c b/drivers/input/keyboard.c
index 614592ef3c..be0f3330db 100644
--- a/drivers/input/keyboard.c
+++ b/drivers/input/keyboard.c
@@ -70,7 +70,7 @@ static void kbd_put_queue(char data)
 }
 
 /* test if a character is in the queue */
-static int kbd_testc(void)
+static int kbd_testc(struct stdio_dev *dev)
 {
 #if defined(CONFIG_MPC5xxx) || defined(CONFIG_MPC8540) || defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
 	/* no ISR is used, so received chars must be polled */
@@ -83,7 +83,7 @@ static int kbd_testc(void)
 }
 
 /* gets the character from the queue */
-static int kbd_getc(void)
+static int kbd_getc(struct stdio_dev *dev)
 {
 	char c;
 	while(in_pointer==out_pointer) {
@@ -275,8 +275,6 @@ int kbd_init (void)
 	memset (&kbddev, 0, sizeof(kbddev));
 	strcpy(kbddev.name, DEVNAME);
 	kbddev.flags =  DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM;
-	kbddev.putc = NULL ;
-	kbddev.puts = NULL ;
 	kbddev.getc = kbd_getc ;
 	kbddev.tstc = kbd_testc ;
 
diff --git a/drivers/input/tegra-kbc.c b/drivers/input/tegra-kbc.c
index f137f930a9..7e36db0a71 100644
--- a/drivers/input/tegra-kbc.c
+++ b/drivers/input/tegra-kbc.c
@@ -194,7 +194,7 @@ int tegra_kbc_check(struct input_config *input)
  *
  * @return 0 if no keys available, 1 if keys are available
  */
-static int kbd_tstc(void)
+static int kbd_tstc(struct stdio_dev *dev)
 {
 	/* Just get input to do this for us */
 	return input_tstc(&config.input);
@@ -207,7 +207,7 @@ static int kbd_tstc(void)
  *
  * @return ASCII key code, or 0 if no key, or -1 if error
  */
-static int kbd_getc(void)
+static int kbd_getc(struct stdio_dev *dev)
 {
 	/* Just get input to do this for us */
 	return input_getc(&config.input);
@@ -289,7 +289,7 @@ static void tegra_kbc_open(void)
  *
  * @return 0 if ok, -ve on error
  */
-static int init_tegra_keyboard(void)
+static int init_tegra_keyboard(struct stdio_dev *dev)
 {
 	/* check if already created */
 	if (config.created)
diff --git a/drivers/misc/cbmem_console.c b/drivers/misc/cbmem_console.c
index 80a84fdf8f..5f85ccf21e 100644
--- a/drivers/misc/cbmem_console.c
+++ b/drivers/misc/cbmem_console.c
@@ -31,7 +31,7 @@ struct cbmem_console {
 
 static struct cbmem_console *cbmem_console_p;
 
-void cbmemc_putc(char data)
+void cbmemc_putc(struct stdio_dev *dev, char data)
 {
 	int cursor;
 
@@ -40,12 +40,12 @@ void cbmemc_putc(char data)
 		cbmem_console_p->buffer_body[cursor] = data;
 }
 
-void cbmemc_puts(const char *str)
+void cbmemc_puts(struct stdio_dev *dev, const char *str)
 {
 	char c;
 
 	while ((c = *str++) != 0)
-		cbmemc_putc(c);
+		cbmemc_putc(dev, c);
 }
 
 int cbmemc_init(void)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index b5477b1271..a26f3cec20 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -21,7 +21,7 @@
 static struct list_head mmc_devices;
 static int cur_dev_num = -1;
 
-int __weak board_mmc_getwp(struct mmc *mmc)
+__weak int board_mmc_getwp(struct mmc *mmc)
 {
 	return -1;
 }
@@ -42,13 +42,11 @@ int mmc_getwp(struct mmc *mmc)
 	return wp;
 }
 
-int __board_mmc_getcd(struct mmc *mmc) {
+__weak int board_mmc_getcd(struct mmc *mmc)
+{
 	return -1;
 }
 
-int board_mmc_getcd(struct mmc *mmc)__attribute__((weak,
-	alias("__board_mmc_getcd")));
-
 int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 {
 	int ret;
@@ -377,7 +375,7 @@ static int mmc_send_op_cond_iter(struct mmc *mmc, struct mmc_cmd *cmd,
 	return 0;
 }
 
-int mmc_send_op_cond(struct mmc *mmc)
+static int mmc_send_op_cond(struct mmc *mmc)
 {
 	struct mmc_cmd cmd;
 	int err, i;
@@ -399,7 +397,7 @@ int mmc_send_op_cond(struct mmc *mmc)
 	return IN_PROGRESS;
 }
 
-int mmc_complete_op_cond(struct mmc *mmc)
+static int mmc_complete_op_cond(struct mmc *mmc)
 {
 	struct mmc_cmd cmd;
 	int timeout = 1000;
@@ -1371,17 +1369,17 @@ int mmc_set_dsr(struct mmc *mmc, u16 val)
 	return 0;
 }
 
-/*
- * CPU and board-specific MMC initializations.  Aliased function
- * signals caller to move on
- */
-static int __def_mmc_init(bd_t *bis)
+/* CPU-specific MMC initializations */
+__weak int cpu_mmc_init(bd_t *bis)
 {
 	return -1;
 }
 
-int cpu_mmc_init(bd_t *bis) __attribute__((weak, alias("__def_mmc_init")));
-int board_mmc_init(bd_t *bis) __attribute__((weak, alias("__def_mmc_init")));
+/* board-specific MMC initializations. */
+__weak int board_mmc_init(bd_t *bis)
+{
+	return -1;
+}
 
 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
 
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index 17cbb0983d..5b0c302069 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -120,7 +120,7 @@ static void omap5_pbias_config(struct mmc *mmc)
 }
 #endif
 
-unsigned char mmc_board_init(struct mmc *mmc)
+static unsigned char mmc_board_init(struct mmc *mmc)
 {
 #if defined(CONFIG_OMAP34XX)
 	t2_t *t2_base = (t2_t *)T2_BASE;
diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c
index eb7b1158d6..d4e574fe19 100644
--- a/drivers/mmc/sunxi_mmc.c
+++ b/drivers/mmc/sunxi_mmc.c
@@ -16,28 +16,6 @@
 #include <asm/arch/cpu.h>
 #include <asm/arch/mmc.h>
 
-struct sunxi_mmc_des {
-	u32 reserved1_1:1;
-	u32 dic:1;		/* disable interrupt on completion */
-	u32 last_des:1;		/* 1-this data buffer is the last buffer */
-	u32 first_des:1;		/* 1-data buffer is the first buffer,
-				   0-data buffer contained in the next
-				   descriptor is 1st buffer */
-	u32 des_chain:1;	/* 1-the 2nd address in the descriptor is the
-				   next descriptor address */
-	u32 end_of_ring:1;	/* 1-last descriptor flag when using dual
-				   data buffer in descriptor */
-	u32 reserved1_2:24;
-	u32 card_err_sum:1;	/* transfer error flag */
-	u32 own:1;		/* des owner:1-idma owns it, 0-host owns it */
-#define SDXC_DES_NUM_SHIFT 16
-#define SDXC_DES_BUFFER_MAX_LEN	(1 << SDXC_DES_NUM_SHIFT)
-	u32 data_buf1_sz:16;
-	u32 data_buf2_sz:16;
-	u32 buf_addr_ptr1;
-	u32 buf_addr_ptr2;
-};
-
 struct sunxi_mmc_host {
 	unsigned mmc_no;
 	uint32_t *mclkreg;
@@ -189,6 +167,7 @@ static int mmc_core_init(struct mmc *mmc)
 
 	/* Reset controller */
 	writel(SUNXI_MMC_GCTRL_RESET, &mmchost->reg->gctrl);
+	udelay(1000);
 
 	return 0;
 }
@@ -204,6 +183,9 @@ static int mmc_trans_data_by_cpu(struct mmc *mmc, struct mmc_data *data)
 	unsigned timeout_msecs = 2000;
 	unsigned *buff = (unsigned int *)(reading ? data->dest : data->src);
 
+	/* Always read / write data through the CPU */
+	setbits_le32(&mmchost->reg->gctrl, SUNXI_MMC_GCTRL_ACCESS_BY_AHB);
+
 	for (i = 0; i < (byte_cnt >> 2); i++) {
 		while (readl(&mmchost->reg->status) & status_bit) {
 			if (!timeout_msecs--)
@@ -220,85 +202,6 @@ static int mmc_trans_data_by_cpu(struct mmc *mmc, struct mmc_data *data)
 	return 0;
 }
 
-static int mmc_trans_data_by_dma(struct mmc *mmc, struct mmc_data *data)
-{
-	struct sunxi_mmc_host *mmchost = mmc->priv;
-	unsigned byte_cnt = data->blocksize * data->blocks;
-	unsigned char *buff;
-	unsigned des_idx = 0;
-	unsigned buff_frag_num =
-		(byte_cnt + SDXC_DES_BUFFER_MAX_LEN - 1) >> SDXC_DES_NUM_SHIFT;
-	unsigned remain;
-	unsigned i, rval;
-	ALLOC_CACHE_ALIGN_BUFFER(struct sunxi_mmc_des, pdes, buff_frag_num);
-
-	buff = data->flags & MMC_DATA_READ ?
-	    (unsigned char *)data->dest : (unsigned char *)data->src;
-	remain = byte_cnt & (SDXC_DES_BUFFER_MAX_LEN - 1);
-
-	flush_cache((unsigned long)buff, (unsigned long)byte_cnt);
-	for (i = 0; i < buff_frag_num; i++, des_idx++) {
-		memset((void *)&pdes[des_idx], 0, sizeof(struct sunxi_mmc_des));
-		pdes[des_idx].des_chain = 1;
-		pdes[des_idx].own = 1;
-		pdes[des_idx].dic = 1;
-		if (buff_frag_num > 1 && i != buff_frag_num - 1)
-			pdes[des_idx].data_buf1_sz = 0; /* 0 == max_len */
-		else
-			pdes[des_idx].data_buf1_sz = remain;
-
-		pdes[des_idx].buf_addr_ptr1 =
-		    (u32) buff + i * SDXC_DES_BUFFER_MAX_LEN;
-		if (i == 0)
-			pdes[des_idx].first_des = 1;
-
-		if (i == buff_frag_num - 1) {
-			pdes[des_idx].dic = 0;
-			pdes[des_idx].last_des = 1;
-			pdes[des_idx].end_of_ring = 1;
-			pdes[des_idx].buf_addr_ptr2 = 0;
-		} else {
-			pdes[des_idx].buf_addr_ptr2 = (u32)&pdes[des_idx + 1];
-		}
-	}
-	flush_cache((unsigned long)pdes,
-		    sizeof(struct sunxi_mmc_des) * (des_idx + 1));
-
-	rval = readl(&mmchost->reg->gctrl);
-	/* Enable DMA */
-	writel(rval | SUNXI_MMC_GCTRL_DMA_RESET | SUNXI_MMC_GCTRL_DMA_ENABLE,
-	       &mmchost->reg->gctrl);
-	/* Reset iDMA */
-	writel(SUNXI_MMC_IDMAC_RESET, &mmchost->reg->dmac);
-	/* Enable iDMA */
-	writel(SUNXI_MMC_IDMAC_FIXBURST | SUNXI_MMC_IDMAC_ENABLE,
-	       &mmchost->reg->dmac);
-	rval = readl(&mmchost->reg->idie) &
-		~(SUNXI_MMC_IDIE_TXIRQ|SUNXI_MMC_IDIE_RXIRQ);
-	if (data->flags & MMC_DATA_WRITE)
-		rval |= SUNXI_MMC_IDIE_TXIRQ;
-	else
-		rval |= SUNXI_MMC_IDIE_RXIRQ;
-	writel(rval, &mmchost->reg->idie);
-	writel((u32) pdes, &mmchost->reg->dlba);
-	writel((0x2 << 28) | (0x7 << 16) | (0x01 << 3),
-	       &mmchost->reg->ftrglevel);
-
-	return 0;
-}
-
-static void mmc_enable_dma_accesses(struct mmc *mmc, int dma)
-{
-	struct sunxi_mmc_host *mmchost = mmc->priv;
-
-	unsigned int gctrl = readl(&mmchost->reg->gctrl);
-	if (dma)
-		gctrl &= ~SUNXI_MMC_GCTRL_ACCESS_BY_AHB;
-	else
-		gctrl |= SUNXI_MMC_GCTRL_ACCESS_BY_AHB;
-	writel(gctrl, &mmchost->reg->gctrl);
-}
-
 static int mmc_rint_wait(struct mmc *mmc, unsigned int timeout_msecs,
 			 unsigned int done_bit, const char *what)
 {
@@ -327,7 +230,6 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 	unsigned int timeout_msecs;
 	int error = 0;
 	unsigned int status = 0;
-	unsigned int usedma = 0;
 	unsigned int bytecnt = 0;
 
 	if (mmchost->fatal_err)
@@ -378,20 +280,8 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 
 		bytecnt = data->blocksize * data->blocks;
 		debug("trans data %d bytes\n", bytecnt);
-#if defined(CONFIG_MMC_SUNXI_USE_DMA) && !defined(CONFIG_SPL_BUILD)
-		if (bytecnt > 64) {
-#else
-		if (0) {
-#endif
-			usedma = 1;
-			mmc_enable_dma_accesses(mmc, 1);
-			ret = mmc_trans_data_by_dma(mmc, data);
-			writel(cmdval | cmd->cmdidx, &mmchost->reg->cmd);
-		} else {
-			mmc_enable_dma_accesses(mmc, 0);
-			writel(cmdval | cmd->cmdidx, &mmchost->reg->cmd);
-			ret = mmc_trans_data_by_cpu(mmc, data);
-		}
+		writel(cmdval | cmd->cmdidx, &mmchost->reg->cmd);
+		ret = mmc_trans_data_by_cpu(mmc, data);
 		if (ret) {
 			error = readl(&mmchost->reg->rint) & \
 				SUNXI_MMC_RINT_INTERRUPT_ERROR_BIT;
@@ -405,7 +295,7 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		goto out;
 
 	if (data) {
-		timeout_msecs = usedma ? 120 * bytecnt : 120;
+		timeout_msecs = 120;
 		debug("cacl timeout %x msec\n", timeout_msecs);
 		error = mmc_rint_wait(mmc, timeout_msecs,
 				      data->blocks > 1 ?
@@ -442,23 +332,6 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		debug("mmc resp 0x%08x\n", cmd->response[0]);
 	}
 out:
-	if (data && usedma) {
-		/* IDMASTAREG
-		 * IDST[0] : idma tx int
-		 * IDST[1] : idma rx int
-		 * IDST[2] : idma fatal bus error
-		 * IDST[4] : idma descriptor invalid
-		 * IDST[5] : idma error summary
-		 * IDST[8] : idma normal interrupt sumary
-		 * IDST[9] : idma abnormal interrupt sumary
-		 */
-		status = readl(&mmchost->reg->idst);
-		writel(status, &mmchost->reg->idst);
-		writel(0, &mmchost->reg->idie);
-		writel(0, &mmchost->reg->dmac);
-		writel(readl(&mmchost->reg->gctrl) & ~SUNXI_MMC_GCTRL_DMA_ENABLE,
-		       &mmchost->reg->gctrl);
-	}
 	if (error < 0) {
 		writel(SUNXI_MMC_GCTRL_RESET, &mmchost->reg->gctrl);
 		mmc_update_clk(mmc);
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index a389cd101c..c4b5bc1de5 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -2360,7 +2360,7 @@ unsigned long flash_init (void)
 #endif /* CONFIG_SYS_FLASH_QUIET_TEST */
 		}
 #ifdef CONFIG_SYS_FLASH_PROTECTION
-		else if ((s != NULL) && (strcmp(s, "yes") == 0)) {
+		else if (strcmp(s, "yes") == 0) {
 			/*
 			 * Only the U-Boot image and it's environment
 			 * is protected, all other sectors are
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 5d425092f4..a079b1e5cf 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -305,6 +305,189 @@ static struct nand_ecclayout nand_davinci_4bit_layout_oobfirst = {
 #endif
 };
 
+#if defined CONFIG_KEYSTONE_RBL_NAND
+#if defined(CONFIG_SYS_NAND_PAGE_2K)
+static struct nand_ecclayout nand_keystone_rbl_4bit_layout_oobfirst = {
+	.eccbytes = 40,
+	.eccpos = {
+		6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+		22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+		38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
+		54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
+	},
+	.oobfree = {
+		{.offset = 2, .length = 4, },
+		{.offset = 16, .length = 6, },
+		{.offset = 32, .length = 6, },
+		{.offset = 48, .length = 6, },
+	},
+#elif defined(CONFIG_SYS_NAND_PAGE_4K)
+	.eccbytes = 80,
+	.eccpos = {
+		6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+		22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
+		38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
+		54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
+		70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
+		86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
+		102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
+		118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
+	},
+	.oobfree = {
+		{.offset = 2, .length = 4, },
+		{.offset = 16, .length = 6, },
+		{.offset = 32, .length = 6, },
+		{.offset = 48, .length = 6, },
+		{.offset = 64, .length = 6, },
+		{.offset = 80, .length = 6, },
+		{.offset = 96, .length = 6, },
+		{.offset = 112, .length = 6, },
+	},
+#endif
+};
+
+#ifdef CONFIG_SYS_NAND_PAGE_2K
+#define CONFIG_KEYSTONE_NAND_MAX_RBL_PAGE	CONFIG_KEYSTONE_NAND_MAX_RBL_SIZE >> 11
+#elif defined(CONFIG_SYS_NAND_PAGE_4K)
+#define CONFIG_KEYSTONE_NAND_MAX_RBL_PAGE	CONFIG_KEYSTONE_NAND_MAX_RBL_SIZE >> 12
+#endif
+
+/**
+ * nand_davinci_write_page - write one page
+ * @mtd: MTD device structure
+ * @chip: NAND chip descriptor
+ * @buf: the data to write
+ * @oob_required: must write chip->oob_poi to OOB
+ * @page: page number to write
+ * @cached: cached programming
+ * @raw: use _raw version of write_page
+ */
+static int nand_davinci_write_page(struct mtd_info *mtd, struct nand_chip *chip,
+				   const uint8_t *buf, int oob_required,
+				   int page, int cached, int raw)
+{
+	int status;
+	int ret = 0;
+	struct nand_ecclayout *saved_ecc_layout;
+
+	/* save current ECC layout and assign Keystone RBL ECC layout */
+	if (page < CONFIG_KEYSTONE_NAND_MAX_RBL_PAGE) {
+		saved_ecc_layout = chip->ecc.layout;
+		chip->ecc.layout = &nand_keystone_rbl_4bit_layout_oobfirst;
+		mtd->oobavail = chip->ecc.layout->oobavail;
+	}
+
+	chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0x00, page);
+
+	if (unlikely(raw))
+		status = chip->ecc.write_page_raw(mtd, chip, buf, oob_required);
+	else
+		status = chip->ecc.write_page(mtd, chip, buf, oob_required);
+
+	if (status < 0) {
+		ret = status;
+		goto err;
+	}
+
+	chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
+	status = chip->waitfunc(mtd, chip);
+
+	/*
+	 * See if operation failed and additional status checks are
+	 * available.
+	 */
+	if ((status & NAND_STATUS_FAIL) && (chip->errstat))
+		status = chip->errstat(mtd, chip, FL_WRITING, status, page);
+
+	if (status & NAND_STATUS_FAIL) {
+		ret = -EIO;
+		goto err;
+	}
+
+#ifdef CONFIG_MTD_NAND_VERIFY_WRITE
+	/* Send command to read back the data */
+	chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page);
+
+	if (chip->verify_buf(mtd, buf, mtd->writesize)) {
+		ret = -EIO;
+		goto err;
+	}
+
+	/* Make sure the next page prog is preceded by a status read */
+	chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
+#endif
+err:
+	/* restore ECC layout */
+	if (page < CONFIG_KEYSTONE_NAND_MAX_RBL_PAGE) {
+		chip->ecc.layout = saved_ecc_layout;
+		mtd->oobavail = saved_ecc_layout->oobavail;
+	}
+
+	return ret;
+}
+
+/**
+ * nand_davinci_read_page_hwecc - hardware ECC based page read function
+ * @mtd: mtd info structure
+ * @chip: nand chip info structure
+ * @buf: buffer to store read data
+ * @oob_required: caller requires OOB data read to chip->oob_poi
+ * @page: page number to read
+ *
+ * Not for syndrome calculating ECC controllers which need a special oob layout.
+ */
+static int nand_davinci_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
+				uint8_t *buf, int oob_required, int page)
+{
+	int i, eccsize = chip->ecc.size;
+	int eccbytes = chip->ecc.bytes;
+	int eccsteps = chip->ecc.steps;
+	uint32_t *eccpos;
+	uint8_t *p = buf;
+	uint8_t *ecc_code = chip->buffers->ecccode;
+	uint8_t *ecc_calc = chip->buffers->ecccalc;
+	struct nand_ecclayout *saved_ecc_layout = chip->ecc.layout;
+
+	/* save current ECC layout and assign Keystone RBL ECC layout */
+	if (page < CONFIG_KEYSTONE_NAND_MAX_RBL_PAGE) {
+		chip->ecc.layout = &nand_keystone_rbl_4bit_layout_oobfirst;
+		mtd->oobavail = chip->ecc.layout->oobavail;
+	}
+
+	eccpos = chip->ecc.layout->eccpos;
+
+	/* Read the OOB area first */
+	chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page);
+	chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
+	chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page);
+
+	for (i = 0; i < chip->ecc.total; i++)
+		ecc_code[i] = chip->oob_poi[eccpos[i]];
+
+	for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
+		int stat;
+
+		chip->ecc.hwctl(mtd, NAND_ECC_READ);
+		chip->read_buf(mtd, p, eccsize);
+		chip->ecc.calculate(mtd, p, &ecc_calc[i]);
+
+		stat = chip->ecc.correct(mtd, p, &ecc_code[i], NULL);
+		if (stat < 0)
+			mtd->ecc_stats.failed++;
+		else
+			mtd->ecc_stats.corrected += stat;
+	}
+
+	/* restore ECC layout */
+	if (page < CONFIG_KEYSTONE_NAND_MAX_RBL_PAGE) {
+		chip->ecc.layout = saved_ecc_layout;
+		mtd->oobavail = saved_ecc_layout->oobavail;
+	}
+
+	return 0;
+}
+#endif /* CONFIG_KEYSTONE_RBL_NAND */
+
 static void nand_davinci_4bit_enable_hwecc(struct mtd_info *mtd, int mode)
 {
 	u32 val;
@@ -604,6 +787,19 @@ static void nand_flash_init(void)
 
 void davinci_nand_init(struct nand_chip *nand)
 {
+#if defined CONFIG_KEYSTONE_RBL_NAND
+	int i;
+	struct nand_ecclayout *layout;
+
+	layout = &nand_keystone_rbl_4bit_layout_oobfirst;
+	layout->oobavail = 0;
+	for (i = 0; layout->oobfree[i].length &&
+	     i < ARRAY_SIZE(layout->oobfree); i++)
+		layout->oobavail += layout->oobfree[i].length;
+
+	nand->write_page = nand_davinci_write_page;
+	nand->ecc.read_page = nand_davinci_read_page_hwecc;
+#endif
 	nand->chip_delay  = 0;
 #ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
 	nand->bbt_options	  |= NAND_BBT_USE_FLASH;
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 6226cb259f..7cc6b6fc08 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_DNET) += dnet.o
 obj-$(CONFIG_E1000) += e1000.o
 obj-$(CONFIG_E1000_SPI) += e1000_spi.o
 obj-$(CONFIG_EEPRO100) += eepro100.o
+obj-$(CONFIG_SUNXI_EMAC) += sunxi_emac.o
 obj-$(CONFIG_ENC28J60) += enc28j60.o
 obj-$(CONFIG_EP93XX) += ep93xx_eth.o
 obj-$(CONFIG_ETHOC) += ethoc.o
@@ -51,7 +52,6 @@ obj-$(CONFIG_RTL8169) += rtl8169.o
 obj-$(CONFIG_SH_ETHER) += sh_eth.o
 obj-$(CONFIG_SMC91111) += smc91111.o
 obj-$(CONFIG_SMC911X) += smc911x.o
-obj-$(CONFIG_SUNXI_WEMAC) += sunxi_wemac.o
 obj-$(CONFIG_DRIVER_TI_EMAC) += davinci_emac.o
 obj-$(CONFIG_TSEC_ENET) += tsec.o fsl_mdio.o
 obj-$(CONFIG_DRIVER_TI_CPSW) += cpsw.o
diff --git a/drivers/net/cpsw.c b/drivers/net/cpsw.c
index bd5fba21ce..8ec5161ec6 100644
--- a/drivers/net/cpsw.c
+++ b/drivers/net/cpsw.c
@@ -211,6 +211,8 @@ struct cpdma_chan {
 #define chan_read(chan, fld)		__raw_readl((chan)->fld)
 #define chan_read_ptr(chan, fld)	((void *)__raw_readl((chan)->fld))
 
+#define for_active_slave(slave, priv) \
+	slave = (priv)->slaves + (priv)->data.active_slave; if (slave)
 #define for_each_slave(slave, priv) \
 	for (slave = (priv)->slaves; slave != (priv)->slaves + \
 				(priv)->data.slaves; slave++)
@@ -609,7 +611,7 @@ static int cpsw_update_link(struct cpsw_priv *priv)
 	int link = 0;
 	struct cpsw_slave *slave;
 
-	for_each_slave(slave, priv)
+	for_active_slave(slave, priv)
 		cpsw_slave_update_link(slave, priv, &link);
 	priv->mdio_link = readl(&mdio_regs->link);
 	return link;
@@ -785,7 +787,7 @@ static int cpsw_init(struct eth_device *dev, bd_t *bis)
 			   ALE_SECURE);
 	cpsw_ale_add_mcast(priv, NetBcastAddr, 1 << priv->host_port);
 
-	for_each_slave(slave, priv)
+	for_active_slave(slave, priv)
 		cpsw_slave_init(slave, priv);
 
 	cpsw_update_link(priv);
@@ -1013,7 +1015,7 @@ int cpsw_register(struct cpsw_platform_data *data)
 
 	cpsw_mdio_init(dev->name, data->mdio_base, data->mdio_div);
 	priv->bus = miiphy_get_dev_by_name(dev->name);
-	for_each_slave(slave, priv)
+	for_active_slave(slave, priv)
 		cpsw_phy_init(dev, slave);
 
 	return 1;
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 65c747e14b..623f7492c7 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -215,7 +215,7 @@ static void nc_send_packet(const char *buf, int len)
 	}
 }
 
-static int nc_start(void)
+static int nc_start(struct stdio_dev *dev)
 {
 	int retval;
 
@@ -235,7 +235,7 @@ static int nc_start(void)
 	return 0;
 }
 
-static void nc_putc(char c)
+static void nc_putc(struct stdio_dev *dev, char c)
 {
 	if (output_recursion)
 		return;
@@ -246,7 +246,7 @@ static void nc_putc(char c)
 	output_recursion = 0;
 }
 
-static void nc_puts(const char *s)
+static void nc_puts(struct stdio_dev *dev, const char *s)
 {
 	int len;
 
@@ -265,7 +265,7 @@ static void nc_puts(const char *s)
 	output_recursion = 0;
 }
 
-static int nc_getc(void)
+static int nc_getc(struct stdio_dev *dev)
 {
 	uchar c;
 
@@ -286,7 +286,7 @@ static int nc_getc(void)
 	return c;
 }
 
-static int nc_tstc(void)
+static int nc_tstc(struct stdio_dev *dev)
 {
 	struct eth_device *eth;
 
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index 81e8ddbbc7..451c33e1a1 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -413,7 +413,8 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd)
 
 #if defined(CONFIG_CPU_SH7734) || defined(CONFIG_R8A7740)
 	sh_eth_write(eth, CONFIG_SH_ETHER_SH7734_MII, RMII_MII);
-#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
+	defined(CONFIG_R8A7794)
 	sh_eth_write(eth, sh_eth_read(eth, RMIIMR) | 0x1, RMIIMR);
 #endif
 	/* Configure phy */
@@ -439,7 +440,7 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd)
 #elif defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7752)
 		sh_eth_write(eth, 1, RTRATE);
 #elif defined(CONFIG_CPU_SH7724) || defined(CONFIG_R8A7790) || \
-		defined(CONFIG_R8A7791)
+		defined(CONFIG_R8A7791) || defined(CONFIG_R8A7794)
 		val = ECMR_RTM;
 #endif
 	} else if (phy->speed == 10) {
diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h
index d0d9aaa703..e325a39aac 100644
--- a/drivers/net/sh_eth.h
+++ b/drivers/net/sh_eth.h
@@ -358,7 +358,8 @@ static const u16 sh_eth_offset_fast_sh4[SH_ETH_MAX_REGISTER_OFFSET] = {
 #elif defined(CONFIG_R8A7740)
 #define SH_ETH_TYPE_GETHER
 #define BASE_IO_ADDR	0xE9A00000
-#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
+	defined(CONFIG_R8A7794)
 #define SH_ETH_TYPE_ETHER
 #define BASE_IO_ADDR	0xEE700200
 #elif defined(CONFIG_R7S72100)
@@ -569,7 +570,8 @@ enum FELIC_MODE_BIT {
 	ECMR_PRM = 0x00000001,
 #ifdef CONFIG_CPU_SH7724
 	ECMR_RTM = 0x00000010,
-#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
+	defined(CONFIG_R8A7794)
 	ECMR_RTM = 0x00000004,
 #endif
 
diff --git a/drivers/net/sunxi_wemac.c b/drivers/net/sunxi_emac.c
index 699a381582..5a06d68af7 100644
--- a/drivers/net/sunxi_wemac.c
+++ b/drivers/net/sunxi_emac.c
@@ -1,5 +1,5 @@
 /*
- * sunxi_wemac.c -- Allwinner A10 ethernet driver
+ * sunxi_emac.c -- Allwinner A10 ethernet driver
  *
  * (C) Copyright 2012, Stefan Roese <sr@denx.de>
  *
@@ -7,16 +7,16 @@
  */
 
 #include <common.h>
+#include <linux/err.h>
 #include <malloc.h>
-#include <net.h>
 #include <miiphy.h>
-#include <linux/err.h>
+#include <net.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/gpio.h>
 
 /* EMAC register  */
-struct wemac_regs {
+struct emac_regs {
 	u32 ctl;	/* 0x00 */
 	u32 tx_mode;	/* 0x04 */
 	u32 tx_flow;	/* 0x08 */
@@ -27,7 +27,7 @@ struct wemac_regs {
 	u32 tx_pl1;	/* 0x1c */
 	u32 tx_sta;	/* 0x20 */
 	u32 tx_io_data;	/* 0x24 */
-	u32 tx_io_data1; /* 0x28 */
+	u32 tx_io_data1;/* 0x28 */
 	u32 tx_tsvl0;	/* 0x2c */
 	u32 tx_tsvh0;	/* 0x30 */
 	u32 tx_tsvl1;	/* 0x34 */
@@ -141,33 +141,33 @@ struct sunxi_sramc_regs {
 
 #define EMAC_MAC_IPGT		0x15
 
-#define EMAC_MAC_NBTB_IPG1	0xC
+#define EMAC_MAC_NBTB_IPG1	0xc
 #define EMAC_MAC_NBTB_IPG2	0x12
 
 #define EMAC_MAC_CW		0x37
-#define EMAC_MAC_RM		0xF
+#define EMAC_MAC_RM		0xf
 
 #define EMAC_MAC_MFL		0x0600
 
 /* Receive status */
-#define EMAC_CRCERR		(1 << 4)
-#define EMAC_LENERR		(3 << 5)
+#define EMAC_CRCERR		(0x1 << 4)
+#define EMAC_LENERR		(0x3 << 5)
 
 #define DMA_CPU_TRRESHOLD	2000
 
-struct wemac_eth_dev {
+struct emac_eth_dev {
 	u32 speed;
 	u32 duplex;
 	u32 phy_configured;
 	int link_printed;
 };
 
-struct wemac_rxhdr {
+struct emac_rxhdr {
 	s16 rx_len;
 	u16 rx_status;
 };
 
-static void wemac_inblk_32bit(void *reg, void *data, int count)
+static void emac_inblk_32bit(void *reg, void *data, int count)
 {
 	int cnt = (count + 3) >> 2;
 
@@ -181,7 +181,7 @@ static void wemac_inblk_32bit(void *reg, void *data, int count)
 	}
 }
 
-static void wemac_outblk_32bit(void *reg, void *data, int count)
+static void emac_outblk_32bit(void *reg, void *data, int count)
 {
 	int cnt = (count + 3) >> 2;
 
@@ -194,14 +194,12 @@ static void wemac_outblk_32bit(void *reg, void *data, int count)
 	}
 }
 
-/*
- * Read a word from phyxcer
- */
-static int wemac_phy_read(const char *devname, unsigned char addr,
+/* Read a word from phyxcer */
+static int emac_phy_read(const char *devname, unsigned char addr,
 			  unsigned char reg, unsigned short *value)
 {
 	struct eth_device *dev = eth_get_dev_by_name(devname);
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
 
 	/* issue the phy address and reg */
 	writel(addr << 8 | reg, &regs->mac_madr);
@@ -221,14 +219,12 @@ static int wemac_phy_read(const char *devname, unsigned char addr,
 	return 0;
 }
 
-/*
- * Write a word to phyxcer
- */
-static int wemac_phy_write(const char *devname, unsigned char addr,
+/* Write a word to phyxcer */
+static int emac_phy_write(const char *devname, unsigned char addr,
 			   unsigned char reg, unsigned short value)
 {
 	struct eth_device *dev = eth_get_dev_by_name(devname);
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
 
 	/* issue the phy address and reg */
 	writel(addr << 8 | reg, &regs->mac_madr);
@@ -250,7 +246,7 @@ static int wemac_phy_write(const char *devname, unsigned char addr,
 
 static void emac_setup(struct eth_device *dev)
 {
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
 	u32 reg_val;
 	u16 phy_val;
 	u32 duplex_flag;
@@ -266,7 +262,7 @@ static void emac_setup(struct eth_device *dev)
 	writel(EMAC_MAC_CTL0_SETUP, &regs->mac_ctl0);
 
 	/* Set MAC CTL1 */
-	wemac_phy_read(dev->name, 1, 0, &phy_val);
+	emac_phy_read(dev->name, 1, 0, &phy_val);
 	debug("PHY SETUP, reg 0 value: %x\n", phy_val);
 	duplex_flag = !!(phy_val & (1 << 8));
 
@@ -288,9 +284,9 @@ static void emac_setup(struct eth_device *dev)
 	writel(EMAC_MAC_MFL, &regs->mac_maxf);
 }
 
-static void wemac_reset(struct eth_device *dev)
+static void emac_reset(struct eth_device *dev)
 {
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
 
 	debug("resetting device\n");
 
@@ -302,10 +298,10 @@ static void wemac_reset(struct eth_device *dev)
 	udelay(200);
 }
 
-static int sunxi_wemac_eth_init(struct eth_device *dev, bd_t *bd)
+static int sunxi_emac_eth_init(struct eth_device *dev, bd_t *bd)
 {
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
-	struct wemac_eth_dev *priv = dev->priv;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
+	struct emac_eth_dev *priv = dev->priv;
 	u16 phy_reg;
 
 	/* Init EMAC */
@@ -317,10 +313,7 @@ static int sunxi_wemac_eth_init(struct eth_device *dev, bd_t *bd)
 	/* Init MAC */
 
 	/* Soft reset MAC */
-	clrbits_le32(&regs->mac_ctl0, 1 << 15);
-
-	/* Set MII clock */
-	clrsetbits_le32(&regs->mac_mcfg, 0xf << 2, 0xd << 2);
+	clrbits_le32(&regs->mac_ctl0, 0x1 << 15);
 
 	/* Clear RX counter */
 	writel(0x0, &regs->rx_fbc);
@@ -336,14 +329,14 @@ static int sunxi_wemac_eth_init(struct eth_device *dev, bd_t *bd)
 
 	mdelay(1);
 
-	wemac_reset(dev);
+	emac_reset(dev);
 
 	/* PHY POWER UP */
-	wemac_phy_read(dev->name, 1, 0, &phy_reg);
-	wemac_phy_write(dev->name, 1, 0, phy_reg & (~(1 << 11)));
+	emac_phy_read(dev->name, 1, 0, &phy_reg);
+	emac_phy_write(dev->name, 1, 0, phy_reg & (~(0x1 << 11)));
 	mdelay(1);
 
-	wemac_phy_read(dev->name, 1, 0, &phy_reg);
+	emac_phy_read(dev->name, 1, 0, &phy_reg);
 
 	priv->speed = miiphy_speed(dev->name, 0);
 	priv->duplex = miiphy_duplex(dev->name, 0);
@@ -357,11 +350,11 @@ static int sunxi_wemac_eth_init(struct eth_device *dev, bd_t *bd)
 
 	/* Set EMAC SPEED depend on PHY */
 	clrsetbits_le32(&regs->mac_supp, 1 << 8,
-			((phy_reg & (1 << 13)) >> 13) << 8);
+			((phy_reg & (0x1 << 13)) >> 13) << 8);
 
 	/* Set duplex depend on phy */
 	clrsetbits_le32(&regs->mac_ctl1, 1 << 0,
-			((phy_reg & (1 << 8)) >> 8) << 0);
+			((phy_reg & (0x1 << 8)) >> 8) << 0);
 
 	/* Enable RX/TX */
 	setbits_le32(&regs->ctl, 0x7);
@@ -369,15 +362,15 @@ static int sunxi_wemac_eth_init(struct eth_device *dev, bd_t *bd)
 	return 0;
 }
 
-static void sunxi_wemac_eth_halt(struct eth_device *dev)
+static void sunxi_emac_eth_halt(struct eth_device *dev)
 {
 	/* Nothing to do here */
 }
 
-static int sunxi_wemac_eth_recv(struct eth_device *dev)
+static int sunxi_emac_eth_recv(struct eth_device *dev)
 {
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
-	struct wemac_rxhdr rxhdr;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
+	struct emac_rxhdr rxhdr;
 	u32 rxcount;
 	u32 reg_val;
 	int rx_len;
@@ -386,8 +379,7 @@ static int sunxi_wemac_eth_recv(struct eth_device *dev)
 
 	/* Check packet ready or not */
 
-	/*
-	 * Race warning: The first packet might arrive with
+	/* Race warning: The first packet might arrive with
 	 * the interrupts disabled, but the second will fix
 	 */
 	rxcount = readl(&regs->rx_fbc);
@@ -401,26 +393,25 @@ static int sunxi_wemac_eth_recv(struct eth_device *dev)
 	reg_val = readl(&regs->rx_io_data);
 	if (reg_val != 0x0143414d) {
 		/* Disable RX */
-		clrbits_le32(&regs->ctl, 1 << 2);
+		clrbits_le32(&regs->ctl, 0x1 << 2);
 
 		/* Flush RX FIFO */
-		setbits_le32(&regs->rx_ctl, 1 << 3);
-		while (readl(&regs->rx_ctl) & (1 << 3))
+		setbits_le32(&regs->rx_ctl, 0x1 << 3);
+		while (readl(&regs->rx_ctl) & (0x1 << 3))
 			;
 
 		/* Enable RX */
-		setbits_le32(&regs->ctl, 1 << 2);
+		setbits_le32(&regs->ctl, 0x1 << 2);
 
 		return 0;
 	}
 
-	/*
-	 * A packet ready now
+	/* A packet ready now
 	 * Get status/length
 	 */
 	good_packet = 1;
 
-	wemac_inblk_32bit(&regs->rx_io_data, &rxhdr, sizeof(rxhdr));
+	emac_inblk_32bit(&regs->rx_io_data, &rxhdr, sizeof(rxhdr));
 
 	rx_len = rxhdr.rx_len;
 	rx_status = rxhdr.rx_status;
@@ -440,13 +431,13 @@ static int sunxi_wemac_eth_recv(struct eth_device *dev)
 			printf("length error\n");
 	}
 
-	/* Move data from WEMAC */
+	/* Move data from EMAC */
 	if (good_packet) {
 		if (rx_len > DMA_CPU_TRRESHOLD) {
 			printf("Received packet is too big (len=%d)\n", rx_len);
 		} else {
-			wemac_inblk_32bit((void *)&regs->rx_io_data,
-					  NetRxPackets[0], rx_len);
+			emac_inblk_32bit((void *)&regs->rx_io_data,
+					 NetRxPackets[0], rx_len);
 
 			/* Pass to upper layer */
 			NetReceive(NetRxPackets[0], rx_len);
@@ -457,15 +448,15 @@ static int sunxi_wemac_eth_recv(struct eth_device *dev)
 	return 0;
 }
 
-static int sunxi_wemac_eth_send(struct eth_device *dev, void *packet, int len)
+static int sunxi_emac_eth_send(struct eth_device *dev, void *packet, int len)
 {
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
 
 	/* Select channel 0 */
 	writel(0, &regs->tx_ins);
 
 	/* Write packet */
-	wemac_outblk_32bit((void *)&regs->tx_io_data, packet, len);
+	emac_outblk_32bit((void *)&regs->tx_io_data, packet, len);
 
 	/* Set TX len */
 	writel(len, &regs->tx_pl0);
@@ -476,50 +467,55 @@ static int sunxi_wemac_eth_send(struct eth_device *dev, void *packet, int len)
 	return 0;
 }
 
-int sunxi_wemac_initialize(void)
+int sunxi_emac_initialize(void)
 {
 	struct sunxi_ccm_reg *const ccm =
 		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
 	struct sunxi_sramc_regs *sram =
 		(struct sunxi_sramc_regs *)SUNXI_SRAMC_BASE;
+	struct emac_regs *regs =
+		(struct emac_regs *)SUNXI_EMAC_BASE;
 	struct eth_device *dev;
-	struct wemac_eth_dev *priv;
+	struct emac_eth_dev *priv;
 	int pin;
 
 	dev = malloc(sizeof(*dev));
 	if (dev == NULL)
 		return -ENOMEM;
 
-	priv = (struct wemac_eth_dev *)malloc(sizeof(struct wemac_eth_dev));
+	priv = (struct emac_eth_dev *)malloc(sizeof(struct emac_eth_dev));
 	if (!priv) {
 		free(dev);
 		return -ENOMEM;
 	}
 
 	memset(dev, 0, sizeof(*dev));
-	memset(priv, 0, sizeof(struct wemac_eth_dev));
+	memset(priv, 0, sizeof(struct emac_eth_dev));
 
 	/* Map SRAM to EMAC */
 	setbits_le32(&sram->ctrl1, 0x5 << 2);
 
 	/* Configure pin mux settings for MII Ethernet */
 	for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(17); pin++)
-		sunxi_gpio_set_cfgpin(pin, 2);
+		sunxi_gpio_set_cfgpin(pin, SUNXI_GPA0_EMAC);
 
 	/* Set up clock gating */
-	setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_EMAC);
+	setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_EMAC);
+
+	/* Set MII clock */
+	clrsetbits_le32(&regs->mac_mcfg, 0xf << 2, 0xd << 2);
 
-	dev->iobase = SUNXI_EMAC_BASE;
+	dev->iobase = (int)regs;
 	dev->priv = priv;
-	dev->init = sunxi_wemac_eth_init;
-	dev->halt = sunxi_wemac_eth_halt;
-	dev->send = sunxi_wemac_eth_send;
-	dev->recv = sunxi_wemac_eth_recv;
-	strcpy(dev->name, "wemac");
+	dev->init = sunxi_emac_eth_init;
+	dev->halt = sunxi_emac_eth_halt;
+	dev->send = sunxi_emac_eth_send;
+	dev->recv = sunxi_emac_eth_recv;
+	strcpy(dev->name, "emac");
 
 	eth_register(dev);
 
-	miiphy_register(dev->name, wemac_phy_read, wemac_phy_write);
+	miiphy_register(dev->name, emac_phy_read, emac_phy_write);
 
 	return 0;
 }
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 53ff97d745..dc64e4d32b 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -5,6 +5,8 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
+obj-$(CONFIG_AXP152_POWER)	+= axp152.o
+obj-$(CONFIG_AXP209_POWER)	+= axp209.o
 obj-$(CONFIG_EXYNOS_TMU)	+= exynos-tmu.o
 obj-$(CONFIG_FTPMU010_POWER)	+= ftpmu010.o
 obj-$(CONFIG_TPS6586X_POWER)	+= tps6586x.o
diff --git a/drivers/power/axp152.c b/drivers/power/axp152.c
new file mode 100644
index 0000000000..fa4ea050a5
--- /dev/null
+++ b/drivers/power/axp152.c
@@ -0,0 +1,97 @@
+/*
+ * (C) Copyright 2012
+ * Henrik Nordstrom <henrik@henriknordstrom.net>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <i2c.h>
+#include <axp152.h>
+
+enum axp152_reg {
+	AXP152_CHIP_VERSION = 0x3,
+	AXP152_DCDC2_VOLTAGE = 0x23,
+	AXP152_DCDC3_VOLTAGE = 0x27,
+	AXP152_DCDC4_VOLTAGE = 0x2B,
+	AXP152_LDO2_VOLTAGE = 0x2A,
+	AXP152_SHUTDOWN = 0x32,
+};
+
+#define AXP152_POWEROFF			(1 << 7)
+
+static int axp152_write(enum axp152_reg reg, u8 val)
+{
+	return i2c_write(0x30, reg, 1, &val, 1);
+}
+
+static int axp152_read(enum axp152_reg reg, u8 *val)
+{
+	return i2c_read(0x30, reg, 1, val, 1);
+}
+
+static u8 axp152_mvolt_to_target(int mvolt, int min, int max, int div)
+{
+	if (mvolt < min)
+		mvolt = min;
+	else if (mvolt > max)
+		mvolt = max;
+
+	return (mvolt - min) / div;
+}
+
+int axp152_set_dcdc2(int mvolt)
+{
+	int rc;
+	u8 current, target;
+
+	target = axp152_mvolt_to_target(mvolt, 700, 2275, 25);
+
+	/* Do we really need to be this gentle? It has built-in voltage slope */
+	while ((rc = axp152_read(AXP152_DCDC2_VOLTAGE, &current)) == 0 &&
+	       current != target) {
+		if (current < target)
+			current++;
+		else
+			current--;
+		rc = axp152_write(AXP152_DCDC2_VOLTAGE, current);
+		if (rc)
+			break;
+	}
+	return rc;
+}
+
+int axp152_set_dcdc3(int mvolt)
+{
+	u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 25);
+
+	return axp152_write(AXP152_DCDC3_VOLTAGE, target);
+}
+
+int axp152_set_dcdc4(int mvolt)
+{
+	u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 25);
+
+	return axp152_write(AXP152_DCDC4_VOLTAGE, target);
+}
+
+int axp152_set_ldo2(int mvolt)
+{
+	u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 100);
+
+	return axp152_write(AXP152_LDO2_VOLTAGE, target);
+}
+
+int axp152_init(void)
+{
+	u8 ver;
+	int rc;
+
+	rc = axp152_read(AXP152_CHIP_VERSION, &ver);
+	if (rc)
+		return rc;
+
+	if (ver != 0x05)
+		return -1;
+
+	return 0;
+}
diff --git a/drivers/power/axp209.c b/drivers/power/axp209.c
new file mode 100644
index 0000000000..9798e5bf7c
--- /dev/null
+++ b/drivers/power/axp209.c
@@ -0,0 +1,167 @@
+/*
+ * (C) Copyright 2012
+ * Henrik Nordstrom <henrik@henriknordstrom.net>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <axp209.h>
+
+enum axp209_reg {
+	AXP209_POWER_STATUS = 0x00,
+	AXP209_CHIP_VERSION = 0x03,
+	AXP209_DCDC2_VOLTAGE = 0x23,
+	AXP209_DCDC3_VOLTAGE = 0x27,
+	AXP209_LDO24_VOLTAGE = 0x28,
+	AXP209_LDO3_VOLTAGE = 0x29,
+	AXP209_IRQ_STATUS5 = 0x4c,
+	AXP209_SHUTDOWN = 0x32,
+};
+
+#define AXP209_POWER_STATUS_ON_BY_DC	(1 << 0)
+
+#define AXP209_IRQ5_PEK_UP		(1 << 6)
+#define AXP209_IRQ5_PEK_DOWN		(1 << 5)
+
+#define AXP209_POWEROFF			(1 << 7)
+
+static int axp209_write(enum axp209_reg reg, u8 val)
+{
+	return i2c_write(0x34, reg, 1, &val, 1);
+}
+
+static int axp209_read(enum axp209_reg reg, u8 *val)
+{
+	return i2c_read(0x34, reg, 1, val, 1);
+}
+
+static u8 axp209_mvolt_to_cfg(int mvolt, int min, int max, int div)
+{
+	if (mvolt < min)
+		mvolt = min;
+	else if (mvolt > max)
+		mvolt = max;
+
+	return (mvolt - min) / div;
+}
+
+int axp209_set_dcdc2(int mvolt)
+{
+	int rc;
+	u8 cfg, current;
+
+	cfg = axp209_mvolt_to_cfg(mvolt, 700, 2275, 25);
+
+	/* Do we really need to be this gentle? It has built-in voltage slope */
+	while ((rc = axp209_read(AXP209_DCDC2_VOLTAGE, &current)) == 0 &&
+	       current != cfg) {
+		if (current < cfg)
+			current++;
+		else
+			current--;
+
+		rc = axp209_write(AXP209_DCDC2_VOLTAGE, current);
+		if (rc)
+			break;
+	}
+
+	return rc;
+}
+
+int axp209_set_dcdc3(int mvolt)
+{
+	u8 cfg = axp209_mvolt_to_cfg(mvolt, 700, 3500, 25);
+
+	return axp209_write(AXP209_DCDC3_VOLTAGE, cfg);
+}
+
+int axp209_set_ldo2(int mvolt)
+{
+	int rc;
+	u8 cfg, reg;
+
+	cfg = axp209_mvolt_to_cfg(mvolt, 1800, 3300, 100);
+
+	rc = axp209_read(AXP209_LDO24_VOLTAGE, &reg);
+	if (rc)
+		return rc;
+
+	/* LDO2 configuration is in upper 4 bits */
+	reg = (reg & 0x0f) | (cfg << 4);
+	return axp209_write(AXP209_LDO24_VOLTAGE, reg);
+}
+
+int axp209_set_ldo3(int mvolt)
+{
+	u8 cfg;
+
+	if (mvolt == -1)
+		cfg = 0x80;	/* determined by LDO3IN pin */
+	else
+		cfg = axp209_mvolt_to_cfg(mvolt, 700, 2275, 25);
+
+	return axp209_write(AXP209_LDO3_VOLTAGE, cfg);
+}
+
+int axp209_set_ldo4(int mvolt)
+{
+	int rc;
+	static const int vindex[] = {
+		1250, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000, 2500,
+		2700, 2800, 3000, 3100, 3200, 3300
+	};
+	u8 cfg, reg;
+
+	/* Translate mvolt to register cfg value, requested <= selected */
+	for (cfg = 15; vindex[cfg] > mvolt && cfg > 0; cfg--);
+
+	rc = axp209_read(AXP209_LDO24_VOLTAGE, &reg);
+	if (rc)
+		return rc;
+
+	/* LDO4 configuration is in lower 4 bits */
+	reg = (reg & 0xf0) | (cfg << 0);
+	return axp209_write(AXP209_LDO24_VOLTAGE, reg);
+}
+
+int axp209_init(void)
+{
+	u8 ver;
+	int rc;
+
+	rc = axp209_read(AXP209_CHIP_VERSION, &ver);
+	if (rc)
+		return rc;
+
+	/* Low 4 bits is chip version */
+	ver &= 0x0f;
+
+	if (ver != 0x1)
+		return -1;
+
+	return 0;
+}
+
+int axp209_poweron_by_dc(void)
+{
+	u8 v;
+
+	if (axp209_read(AXP209_POWER_STATUS, &v))
+		return 0;
+
+	return (v & AXP209_POWER_STATUS_ON_BY_DC);
+}
+
+int axp209_power_button(void)
+{
+	u8 v;
+
+	if (axp209_read(AXP209_IRQ_STATUS5, &v))
+		return 0;
+
+	axp209_write(AXP209_IRQ_STATUS5, AXP209_IRQ5_PEK_DOWN);
+
+	return v & AXP209_IRQ5_PEK_DOWN;
+}
diff --git a/drivers/power/pmic/pmic_tps65218.c b/drivers/power/pmic/pmic_tps65218.c
index 0952456379..dbc7a73a72 100644
--- a/drivers/power/pmic/pmic_tps65218.c
+++ b/drivers/power/pmic/pmic_tps65218.c
@@ -7,6 +7,8 @@
 
 #include <common.h>
 #include <i2c.h>
+#include <asm/errno.h>
+#include <power/pmic.h>
 #include <power/tps65218.h>
 
 /**
@@ -95,3 +97,23 @@ int tps65218_voltage_update(uchar dc_cntrl_reg, uchar volt_sel)
 
 	return 0;
 }
+
+int power_tps65218_init(unsigned char bus)
+{
+	static const char name[] = "TPS65218_PMIC";
+	struct pmic *p = pmic_alloc();
+
+	if (!p) {
+		printf("%s: POWER allocation error!\n", __func__);
+		return -ENOMEM;
+	}
+
+	p->name = name;
+	p->interface = PMIC_I2C;
+	p->number_of_regs = TPS65218_PMIC_NUM_OF_REGS;
+	p->hw.i2c.addr = TPS65218_CHIP_PM;
+	p->hw.i2c.tx_num = 1;
+	p->bus = bus;
+
+	return 0;
+}
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index f26979dbe1..8e7052dda7 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -30,7 +30,7 @@
 #define serial_in(y)		readb(y)
 #endif
 
-#if defined(CONFIG_K2HK_EVM)
+#if defined(CONFIG_SOC_KEYSTONE)
 #define UART_REG_VAL_PWREMU_MGMT_UART_DISABLE   0
 #define UART_REG_VAL_PWREMU_MGMT_UART_ENABLE ((1 << 14) | (1 << 13) | (1 << 0))
 #undef UART_MCRVAL
@@ -88,7 +88,7 @@ void NS16550_init(NS16550_t com_port, int baud_divisor)
 	/* /16 is proper to hit 115200 with 48MHz */
 	serial_out(0, &com_port->mdr1);
 #endif /* CONFIG_OMAP */
-#if defined(CONFIG_K2HK_EVM)
+#if defined(CONFIG_SOC_KEYSTONE)
 	serial_out(UART_REG_VAL_PWREMU_MGMT_UART_ENABLE, &com_port->regC);
 #endif
 }
diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c
index fd61a5e545..d2eb7520d0 100644
--- a/drivers/serial/serial.c
+++ b/drivers/serial/serial.c
@@ -254,6 +254,48 @@ void serial_initialize(void)
 	serial_assign(default_serial_console()->name);
 }
 
+int serial_stub_start(struct stdio_dev *sdev)
+{
+	struct serial_device *dev = sdev->priv;
+
+	return dev->start();
+}
+
+int serial_stub_stop(struct stdio_dev *sdev)
+{
+	struct serial_device *dev = sdev->priv;
+
+	return dev->stop();
+}
+
+void serial_stub_putc(struct stdio_dev *sdev, const char ch)
+{
+	struct serial_device *dev = sdev->priv;
+
+	dev->putc(ch);
+}
+
+void serial_stub_puts(struct stdio_dev *sdev, const char *str)
+{
+	struct serial_device *dev = sdev->priv;
+
+	dev->puts(str);
+}
+
+int serial_stub_getc(struct stdio_dev *sdev)
+{
+	struct serial_device *dev = sdev->priv;
+
+	return dev->getc();
+}
+
+int serial_stub_tstc(struct stdio_dev *sdev)
+{
+	struct serial_device *dev = sdev->priv;
+
+	return dev->tstc();
+}
+
 /**
  * serial_stdio_init() - Register serial ports with STDIO core
  *
@@ -272,12 +314,12 @@ void serial_stdio_init(void)
 		strcpy(dev.name, s->name);
 		dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT;
 
-		dev.start = s->start;
-		dev.stop = s->stop;
-		dev.putc = s->putc;
-		dev.puts = s->puts;
-		dev.getc = s->getc;
-		dev.tstc = s->tstc;
+		dev.start = serial_stub_start;
+		dev.stop = serial_stub_stop;
+		dev.putc = serial_stub_putc;
+		dev.puts = serial_stub_puts;
+		dev.getc = serial_stub_getc;
+		dev.tstc = serial_stub_tstc;
 
 		stdio_register(&dev);
 
@@ -376,6 +418,7 @@ static struct serial_device *get_current(void)
  */
 int serial_init(void)
 {
+	gd->flags |= GD_FLG_SERIAL_READY;
 	return get_current()->start();
 }
 
diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index ba68d46948..4413e69118 100644
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -120,6 +120,8 @@ static NS16550_t serial_ports[6] = {
 
 static int calc_divisor (NS16550_t port)
 {
+	const unsigned int mode_x_div = 16;
+
 #ifdef CONFIG_OMAP1510
 	/* If can't cleanly clock 115200 set div to 1 */
 	if ((CONFIG_SYS_NS16550_CLK == 12000000) && (gd->baudrate == 115200)) {
@@ -128,21 +130,9 @@ static int calc_divisor (NS16550_t port)
 	}
 	port->osc_12m_sel = 0;			/* clear if previsouly set */
 #endif
-#ifdef CONFIG_OMAP1610
-	/* If can't cleanly clock 115200 set div to 1 */
-	if ((CONFIG_SYS_NS16550_CLK == 48000000) && (gd->baudrate == 115200)) {
-		return (26);		/* return 26 for base divisor */
-	}
-#endif
 
-#define MODE_X_DIV 16
-	/* Compute divisor value. Normally, we should simply return:
-	 *   CONFIG_SYS_NS16550_CLK) / MODE_X_DIV / gd->baudrate
-	 * but we need to round that value by adding 0.5.
-	 * Rounding is especially important at high baud rates.
-	 */
-	return (CONFIG_SYS_NS16550_CLK + (gd->baudrate * (MODE_X_DIV / 2))) /
-		(MODE_X_DIV * gd->baudrate);
+	return DIV_ROUND_CLOSEST(CONFIG_SYS_NS16550_CLK,
+						mode_x_div * gd->baudrate);
 }
 
 void
diff --git a/drivers/serial/serial_sh.h b/drivers/serial/serial_sh.h
index f5e9854d13..341997c8ec 100644
--- a/drivers/serial/serial_sh.h
+++ b/drivers/serial/serial_sh.h
@@ -226,7 +226,8 @@ struct uart_port {
 # define SCSPTR3 0xffc60020		/* 16 bit SCIF */
 # define SCIF_ORER 0x0001		/* Overrun error bit */
 # define SCSCR_INIT(port)	0x38	/* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
-#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791)
+#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \
+	defined(CONFIG_R8A7794)
 # define SCIF_ORER	0x0001
 # define SCSCR_INIT(port)	0x32	/* TIE=0,RIE=0,TE=1,RE=1,REIE=0, */
 #else
diff --git a/drivers/serial/usbtty.c b/drivers/serial/usbtty.c
index 6b912efafd..b030526b6a 100644
--- a/drivers/serial/usbtty.c
+++ b/drivers/serial/usbtty.c
@@ -389,7 +389,7 @@ static void str2wide (char *str, u16 * wide)
  * Test whether a character is in the RX buffer
  */
 
-int usbtty_tstc (void)
+int usbtty_tstc(struct stdio_dev *dev)
 {
 	struct usb_endpoint_instance *endpoint =
 		&endpoint_instance[rx_endpoint];
@@ -409,7 +409,7 @@ int usbtty_tstc (void)
  * written into its argument c.
  */
 
-int usbtty_getc (void)
+int usbtty_getc(struct stdio_dev *dev)
 {
 	char c;
 	struct usb_endpoint_instance *endpoint =
@@ -429,7 +429,7 @@ int usbtty_getc (void)
 /*
  * Output a single byte to the usb client port.
  */
-void usbtty_putc (const char c)
+void usbtty_putc(struct stdio_dev *dev, const char c)
 {
 	if (!usbtty_configured ())
 		return;
@@ -484,7 +484,7 @@ static void __usbtty_puts (const char *str, int len)
 	}
 }
 
-void usbtty_puts (const char *str)
+void usbtty_puts(struct stdio_dev *dev, const char *str)
 {
 	int n;
 	int len;
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index ceb1573d86..6685ed23de 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -20,9 +20,7 @@
 #include <asm/cache.h>
 #include <asm/io.h>
 #include <linux/list.h>
-
-#define upper_32_bits(n) (u32)((n) >> 32)
-#define lower_32_bits(n) (u32)(n)
+#include <linux/compat.h>
 
 #define MAX_EP_CTX_NUM		31
 #define XHCI_ALIGNMENT		64
@@ -1121,7 +1119,7 @@ static inline void xhci_writeq(__le64 volatile *regs, const u64 val)
 	__u32 *ptr = (__u32 *)regs;
 	u32 val_lo = lower_32_bits(val);
 	/* FIXME */
-	u32 val_hi = 0;
+	u32 val_hi = upper_32_bits(val);
 	writel(val_lo, ptr);
 	writel(val_hi, ptr + 1);
 }
diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c
index b52e9edd25..9231927879 100644
--- a/drivers/video/cfb_console.c
+++ b/drivers/video/cfb_console.c
@@ -944,7 +944,7 @@ static void parse_putc(const char c)
 		CURSOR_SET;
 }
 
-void video_putc(const char c)
+void video_putc(struct stdio_dev *dev, const char c)
 {
 #ifdef CONFIG_CFB_CONSOLE_ANSI
 	int i;
@@ -1158,12 +1158,12 @@ void video_putc(const char c)
 		flush_cache(VIDEO_FB_ADRS, VIDEO_SIZE);
 }
 
-void video_puts(const char *s)
+void video_puts(struct stdio_dev *dev, const char *s)
 {
 	int count = strlen(s);
 
 	while (count--)
-		video_putc(*s++);
+		video_putc(dev, *s++);
 }
 
 /*
@@ -2279,8 +2279,6 @@ int drv_video_init(void)
 	console_dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_SYSTEM;
 	console_dev.putc = video_putc;	/* 'putc' function */
 	console_dev.puts = video_puts;	/* 'puts' function */
-	console_dev.tstc = NULL;	/* 'tstc' function */
-	console_dev.getc = NULL;	/* 'getc' function */
 
 #if !defined(CONFIG_VGA_AS_SINGLE_DEVICE)
 	/* Also init console device */