Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (202 commits)
  [POWERPC] Fix compile breakage for 64-bit UP configs
  [POWERPC] Define copy_siginfo_from_user32
  [POWERPC] Add compat handler for PTRACE_GETSIGINFO
  [POWERPC] i2c: Fix build breakage introduced by OF helpers
  [POWERPC] Optimize fls64() on 64-bit processors
  [POWERPC] irqtrace support for 64-bit powerpc
  [POWERPC] Stacktrace support for lockdep
  [POWERPC] Move stackframe definitions to common header
  [POWERPC] Fix device-tree locking vs. interrupts
  [POWERPC] Make pci_bus_to_host()'s struct pci_bus * argument const
  [POWERPC] Remove unused __max_memory variable
  [POWERPC] Simplify xics direct/lpar irq_host setup
  [POWERPC] Use pseries_setup_i8259_cascade() in pseries_mpic_init_IRQ()
  [POWERPC] Turn xics_setup_8259_cascade() into a generic pseries_setup_i8259_cascade()
  [POWERPC] Move xics_setup_8259_cascade() into platforms/pseries/setup.c
  [POWERPC] Use asm-generic/bitops/find.h in bitops.h
  [POWERPC] 83xx: mpc8315 - fix USB UTMI Host setup
  [POWERPC] 85xx: Fix the size of qe muram for MPC8568E
  [POWERPC] 86xx: mpc86xx_hpcn - Temporarily accept old dts node identifier.
  [POWERPC] 86xx: mark functions static, other minor cleanups
  ...

31 files changed, 1280 insertions, 361 deletions

diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index 41ca721d252..ebfe038d859 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -69,7 +69,7 @@ MODULE_LICENSE("GPL");
 enum {
 	PARTITION_SHIFT = 3,
 	MAX_DISKNO = HVMAXARCHITECTEDVIRTUALDISKS,
-	MAX_DISK_NAME = sizeof(((struct gendisk *)0)->disk_name)
+	MAX_DISK_NAME = FIELD_SIZEOF(struct gendisk, disk_name)
 };
 
 static DEFINE_SPINLOCK(viodasd_spinlock);
diff --git a/drivers/char/hvc_beat.c b/drivers/char/hvc_beat.c
index e74bb949c28..91cdb35a920 100644
--- a/drivers/char/hvc_beat.c
+++ b/drivers/char/hvc_beat.c
@@ -78,8 +78,8 @@ static int hvc_beat_put_chars(uint32_t vtermno, const char *buf, int cnt)
 	for (rest = cnt; rest > 0; rest -= nlen) {
 		nlen = (rest > 16) ? 16 : rest;
 		memcpy(kb, buf, nlen);
-		beat_put_term_char(vtermno, rest, kb[0], kb[1]);
-		rest -= nlen;
+		beat_put_term_char(vtermno, nlen, kb[0], kb[1]);
+		buf += nlen;
 	}
 	return cnt;
 }
diff --git a/drivers/char/xilinx_hwicap/buffer_icap.c b/drivers/char/xilinx_hwicap/buffer_icap.c
index f577daedb63..aa7f7962a9a 100644
--- a/drivers/char/xilinx_hwicap/buffer_icap.c
+++ b/drivers/char/xilinx_hwicap/buffer_icap.c
@@ -74,7 +74,7 @@
 
 /**
  * buffer_icap_get_status - Get the contents of the status register.
- * @base_address: is the base address of the device
+ * @drvdata: a pointer to the drvdata.
  *
  * The status register contains the ICAP status and the done bit.
  *
@@ -88,9 +88,9 @@
  * D1 - Always 1
  * D0 - Done bit
  **/
-static inline u32 buffer_icap_get_status(void __iomem *base_address)
+u32 buffer_icap_get_status(struct hwicap_drvdata *drvdata)
 {
-	return in_be32(base_address + XHI_STATUS_REG_OFFSET);
+	return in_be32(drvdata->base_address + XHI_STATUS_REG_OFFSET);
 }
 
 /**
@@ -117,20 +117,8 @@ static inline u32 buffer_icap_get_bram(void __iomem *base_address,
  **/
 static inline bool buffer_icap_busy(void __iomem *base_address)
 {
-	return (buffer_icap_get_status(base_address) & 1) == XHI_NOT_FINISHED;
-}
-
-/**
- * buffer_icap_busy - Return true if the icap device is not busy
- * @base_address: is the base address of the device
- *
- * The queries the low order bit of the status register, which
- * indicates whether the current configuration or readback operation
- * has completed.
- **/
-static inline bool buffer_icap_done(void __iomem *base_address)
-{
-	return (buffer_icap_get_status(base_address) & 1) == XHI_FINISHED;
+	u32 status = in_be32(base_address + XHI_STATUS_REG_OFFSET);
+	return (status & 1) == XHI_NOT_FINISHED;
 }
 
 /**
diff --git a/drivers/char/xilinx_hwicap/buffer_icap.h b/drivers/char/xilinx_hwicap/buffer_icap.h
index 03184959fa0..c5b1840906b 100644
--- a/drivers/char/xilinx_hwicap/buffer_icap.h
+++ b/drivers/char/xilinx_hwicap/buffer_icap.h
@@ -44,8 +44,6 @@
 #include <asm/io.h>
 #include "xilinx_hwicap.h"
 
-void buffer_icap_reset(struct hwicap_drvdata *drvdata);
-
 /* Loads a partial bitstream from system memory. */
 int buffer_icap_set_configuration(struct hwicap_drvdata *drvdata, u32 *data,
 			     u32 Size);
@@ -54,4 +52,7 @@ int buffer_icap_set_configuration(struct hwicap_drvdata *drvdata, u32 *data,
 int buffer_icap_get_configuration(struct hwicap_drvdata *drvdata, u32 *data,
 			     u32 Size);
 
+u32 buffer_icap_get_status(struct hwicap_drvdata *drvdata);
+void buffer_icap_reset(struct hwicap_drvdata *drvdata);
+
 #endif
diff --git a/drivers/char/xilinx_hwicap/fifo_icap.c b/drivers/char/xilinx_hwicap/fifo_icap.c
index 6f45dbd4712..776b5052847 100644
--- a/drivers/char/xilinx_hwicap/fifo_icap.c
+++ b/drivers/char/xilinx_hwicap/fifo_icap.c
@@ -78,13 +78,6 @@
 #define XHI_CR_READ_MASK 0x00000002 /* Read from ICAP to FIFO */
 #define XHI_CR_WRITE_MASK 0x00000001 /* Write from FIFO to ICAP */
 
-/* Status Register (SR) */
-#define XHI_SR_CFGERR_N_MASK 0x00000100 /* Config Error Mask */
-#define XHI_SR_DALIGN_MASK 0x00000080 /* Data Alignment Mask */
-#define XHI_SR_RIP_MASK 0x00000040 /* Read back Mask */
-#define XHI_SR_IN_ABORT_N_MASK 0x00000020 /* Select Map Abort Mask */
-#define XHI_SR_DONE_MASK 0x00000001 /* Done bit Mask  */
-
 
 #define XHI_WFO_MAX_VACANCY 1024 /* Max Write FIFO Vacancy, in words */
 #define XHI_RFO_MAX_OCCUPANCY 256 /* Max Read FIFO Occupancy, in words */
@@ -152,13 +145,35 @@ static inline void fifo_icap_start_readback(struct hwicap_drvdata *drvdata)
 }
 
 /**
+ * fifo_icap_get_status - Get the contents of the status register.
+ * @drvdata: a pointer to the drvdata.
+ *
+ * The status register contains the ICAP status and the done bit.
+ *
+ * D8 - cfgerr
+ * D7 - dalign
+ * D6 - rip
+ * D5 - in_abort_l
+ * D4 - Always 1
+ * D3 - Always 1
+ * D2 - Always 1
+ * D1 - Always 1
+ * D0 - Done bit
+ **/
+u32 fifo_icap_get_status(struct hwicap_drvdata *drvdata)
+{
+	u32 status = in_be32(drvdata->base_address + XHI_SR_OFFSET);
+	dev_dbg(drvdata->dev, "Getting status = %x\n", status);
+	return status;
+}
+
+/**
  * fifo_icap_busy - Return true if the ICAP is still processing a transaction.
  * @drvdata: a pointer to the drvdata.
  **/
 static inline u32 fifo_icap_busy(struct hwicap_drvdata *drvdata)
 {
 	u32 status = in_be32(drvdata->base_address + XHI_SR_OFFSET);
-	dev_dbg(drvdata->dev, "Getting status = %x\n", status);
 	return (status & XHI_SR_DONE_MASK) ? 0 : 1;
 }
 
diff --git a/drivers/char/xilinx_hwicap/fifo_icap.h b/drivers/char/xilinx_hwicap/fifo_icap.h
index 4d3068dd040..ffabd3ba2bd 100644
--- a/drivers/char/xilinx_hwicap/fifo_icap.h
+++ b/drivers/char/xilinx_hwicap/fifo_icap.h
@@ -56,6 +56,7 @@ int fifo_icap_set_configuration(
 		u32 *FrameBuffer,
 		u32 NumWords);
 
+u32 fifo_icap_get_status(struct hwicap_drvdata *drvdata);
 void fifo_icap_reset(struct hwicap_drvdata *drvdata);
 void fifo_icap_flush_fifo(struct hwicap_drvdata *drvdata);
 
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index 2284fa2a5a5..016f90567a5 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -36,7 +36,7 @@
  *****************************************************************************/
 
 /*
- * This is the code behind /dev/xilinx_icap -- it allows a user-space
+ * This is the code behind /dev/icap* -- it allows a user-space
  * application to use the Xilinx ICAP subsystem.
  *
  * The following operations are possible:
@@ -67,7 +67,7 @@
  * user-space application code that uses this device.  The simplest
  * way to use this interface is simply:
  *
- * cp foo.bit /dev/xilinx_icap
+ * cp foo.bit /dev/icap0
  *
  * Note that unless foo.bit is an appropriately constructed partial
  * bitstream, this has a high likelyhood of overwriting the design
@@ -105,18 +105,14 @@
 #include "buffer_icap.h"
 #include "fifo_icap.h"
 
-#define DRIVER_NAME "xilinx_icap"
+#define DRIVER_NAME "icap"
 
 #define HWICAP_REGS   (0x10000)
 
-/* dynamically allocate device number */
-static int xhwicap_major;
-static int xhwicap_minor;
+#define XHWICAP_MAJOR 259
+#define XHWICAP_MINOR 0
 #define HWICAP_DEVICES 1
 
-module_param(xhwicap_major, int, S_IRUGO);
-module_param(xhwicap_minor, int, S_IRUGO);
-
 /* An array, which is set to true when the device is registered. */
 static bool probed_devices[HWICAP_DEVICES];
 static struct mutex icap_sem;
@@ -250,8 +246,26 @@ static int hwicap_get_configuration_register(struct hwicap_drvdata *drvdata,
 	 * Create the data to be written to the ICAP.
 	 */
 	buffer[index++] = XHI_DUMMY_PACKET;
+	buffer[index++] = XHI_NOOP_PACKET;
 	buffer[index++] = XHI_SYNC_PACKET;
 	buffer[index++] = XHI_NOOP_PACKET;
+	buffer[index++] = XHI_NOOP_PACKET;
+
+	/*
+	 * Write the data to the FIFO and initiate the transfer of data present
+	 * in the FIFO to the ICAP device.
+	 */
+	status = drvdata->config->set_configuration(drvdata,
+						    &buffer[0], index);
+	if (status)
+		return status;
+
+	/* If the syncword was not found, then we need to start over. */
+	status = drvdata->config->get_status(drvdata);
+	if ((status & XHI_SR_DALIGN_MASK) != XHI_SR_DALIGN_MASK)
+		return -EIO;
+
+	index = 0;
 	buffer[index++] = hwicap_type_1_read(reg) | 1;
 	buffer[index++] = XHI_NOOP_PACKET;
 	buffer[index++] = XHI_NOOP_PACKET;
@@ -587,7 +601,7 @@ static int __devinit hwicap_setup(struct device *dev, int id,
 	probed_devices[id] = 1;
 	mutex_unlock(&icap_sem);
 
-	devt = MKDEV(xhwicap_major, xhwicap_minor + id);
+	devt = MKDEV(XHWICAP_MAJOR, XHWICAP_MINOR + id);
 
 	drvdata = kzalloc(sizeof(struct hwicap_drvdata), GFP_KERNEL);
 	if (!drvdata) {
@@ -664,12 +678,14 @@ static int __devinit hwicap_setup(struct device *dev, int id,
 static struct hwicap_driver_config buffer_icap_config = {
 	.get_configuration = buffer_icap_get_configuration,
 	.set_configuration = buffer_icap_set_configuration,
+	.get_status = buffer_icap_get_status,
 	.reset = buffer_icap_reset,
 };
 
 static struct hwicap_driver_config fifo_icap_config = {
 	.get_configuration = fifo_icap_get_configuration,
 	.set_configuration = fifo_icap_set_configuration,
+	.get_status = fifo_icap_get_status,
 	.reset = fifo_icap_reset,
 };
 
@@ -690,7 +706,7 @@ static int __devexit hwicap_remove(struct device *dev)
 	dev_set_drvdata(dev, NULL);
 
 	mutex_lock(&icap_sem);
-	probed_devices[MINOR(dev->devt)-xhwicap_minor] = 0;
+	probed_devices[MINOR(dev->devt)-XHWICAP_MINOR] = 0;
 	mutex_unlock(&icap_sem);
 	return 0;		/* success */
 }
@@ -830,23 +846,12 @@ static int __init hwicap_module_init(void)
 	icap_class = class_create(THIS_MODULE, "xilinx_config");
 	mutex_init(&icap_sem);
 
-	if (xhwicap_major) {
-		devt = MKDEV(xhwicap_major, xhwicap_minor);
-		retval = register_chrdev_region(
-				devt,
-				HWICAP_DEVICES,
-				DRIVER_NAME);
-		if (retval < 0)
-			return retval;
-	} else {
-		retval = alloc_chrdev_region(&devt,
-				xhwicap_minor,
-				HWICAP_DEVICES,
-				DRIVER_NAME);
-		if (retval < 0)
-			return retval;
-		xhwicap_major = MAJOR(devt);
-	}
+	devt = MKDEV(XHWICAP_MAJOR, XHWICAP_MINOR);
+	retval = register_chrdev_region(devt,
+					HWICAP_DEVICES,
+					DRIVER_NAME);
+	if (retval < 0)
+		return retval;
 
 	retval = platform_driver_register(&hwicap_platform_driver);
 
@@ -871,7 +876,7 @@ static int __init hwicap_module_init(void)
 
 static void __exit hwicap_module_cleanup(void)
 {
-	dev_t devt = MKDEV(xhwicap_major, xhwicap_minor);
+	dev_t devt = MKDEV(XHWICAP_MAJOR, XHWICAP_MINOR);
 
 	class_destroy(icap_class);
 
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.h b/drivers/char/xilinx_hwicap/xilinx_hwicap.h
index 405fee7e189..1f9c8b082db 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.h
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.h
@@ -65,10 +65,27 @@ struct hwicap_drvdata {
 };
 
 struct hwicap_driver_config {
+	/* Read configuration data given by size into the data buffer.
+	   Return 0 if successful. */
 	int (*get_configuration)(struct hwicap_drvdata *drvdata, u32 *data,
 			u32 size);
+	/* Write configuration data given by size from the data buffer.
+	   Return 0 if successful. */
 	int (*set_configuration)(struct hwicap_drvdata *drvdata, u32 *data,
 			u32 size);
+	/* Get the status register, bit pattern given by:
+	 * D8 - 0 = configuration error
+	 * D7 - 1 = alignment found
+	 * D6 - 1 = readback in progress
+	 * D5 - 0 = abort in progress
+	 * D4 - Always 1
+	 * D3 - Always 1
+	 * D2 - Always 1
+	 * D1 - Always 1
+	 * D0 - 1 = operation completed
+	 */
+	u32 (*get_status)(struct hwicap_drvdata *drvdata);
+	/* Reset the hw */
 	void (*reset)(struct hwicap_drvdata *drvdata);
 };
 
@@ -163,6 +180,13 @@ struct config_registers {
 /* Constant to use for CRC check when CRC has been disabled */
 #define XHI_DISABLED_AUTO_CRC       0x0000DEFCUL
 
+/* Meanings of the bits returned by get_status */
+#define XHI_SR_CFGERR_N_MASK 0x00000100 /* Config Error Mask */
+#define XHI_SR_DALIGN_MASK 0x00000080 /* Data Alignment Mask */
+#define XHI_SR_RIP_MASK 0x00000040 /* Read back Mask */
+#define XHI_SR_IN_ABORT_N_MASK 0x00000020 /* Select Map Abort Mask */
+#define XHI_SR_DONE_MASK 0x00000001 /* Done bit Mask  */
+
 /**
  * hwicap_type_1_read - Generates a Type 1 read packet header.
  * @reg: is the address of the register to be read back.
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index b025dfe0b27..378b7aa6381 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -36,207 +36,12 @@
 #include <linux/mtd/partitions.h>
 
 #include <asm/io.h>
-
+#include <asm/fsl_lbc.h>
 
 #define MAX_BANKS 8
 #define ERR_BYTE 0xFF /* Value returned for read bytes when read failed */
 #define FCM_TIMEOUT_MSECS 500 /* Maximum number of mSecs to wait for FCM */
 
-struct elbc_bank {
-	__be32 br;             /**< Base Register  */
-#define BR_BA           0xFFFF8000
-#define BR_BA_SHIFT             15
-#define BR_PS           0x00001800
-#define BR_PS_SHIFT             11
-#define BR_PS_8         0x00000800  /* Port Size 8 bit */
-#define BR_PS_16        0x00001000  /* Port Size 16 bit */
-#define BR_PS_32        0x00001800  /* Port Size 32 bit */
-#define BR_DECC         0x00000600
-#define BR_DECC_SHIFT            9
-#define BR_DECC_OFF     0x00000000  /* HW ECC checking and generation off */
-#define BR_DECC_CHK     0x00000200  /* HW ECC checking on, generation off */
-#define BR_DECC_CHK_GEN 0x00000400  /* HW ECC checking and generation on */
-#define BR_WP           0x00000100
-#define BR_WP_SHIFT              8
-#define BR_MSEL         0x000000E0
-#define BR_MSEL_SHIFT            5
-#define BR_MS_GPCM      0x00000000  /* GPCM */
-#define BR_MS_FCM       0x00000020  /* FCM */
-#define BR_MS_SDRAM     0x00000060  /* SDRAM */
-#define BR_MS_UPMA      0x00000080  /* UPMA */
-#define BR_MS_UPMB      0x000000A0  /* UPMB */
-#define BR_MS_UPMC      0x000000C0  /* UPMC */
-#define BR_V            0x00000001
-#define BR_V_SHIFT               0
-#define BR_RES          ~(BR_BA|BR_PS|BR_DECC|BR_WP|BR_MSEL|BR_V)
-
-	__be32 or;             /**< Base Register  */
-#define OR0 0x5004
-#define OR1 0x500C
-#define OR2 0x5014
-#define OR3 0x501C
-#define OR4 0x5024
-#define OR5 0x502C
-#define OR6 0x5034
-#define OR7 0x503C
-
-#define OR_FCM_AM               0xFFFF8000
-#define OR_FCM_AM_SHIFT                 15
-#define OR_FCM_BCTLD            0x00001000
-#define OR_FCM_BCTLD_SHIFT              12
-#define OR_FCM_PGS              0x00000400
-#define OR_FCM_PGS_SHIFT                10
-#define OR_FCM_CSCT             0x00000200
-#define OR_FCM_CSCT_SHIFT                9
-#define OR_FCM_CST              0x00000100
-#define OR_FCM_CST_SHIFT                 8
-#define OR_FCM_CHT              0x00000080
-#define OR_FCM_CHT_SHIFT                 7
-#define OR_FCM_SCY              0x00000070
-#define OR_FCM_SCY_SHIFT                 4
-#define OR_FCM_SCY_1            0x00000010
-#define OR_FCM_SCY_2            0x00000020
-#define OR_FCM_SCY_3            0x00000030
-#define OR_FCM_SCY_4            0x00000040
-#define OR_FCM_SCY_5            0x00000050
-#define OR_FCM_SCY_6            0x00000060
-#define OR_FCM_SCY_7            0x00000070
-#define OR_FCM_RST              0x00000008
-#define OR_FCM_RST_SHIFT                 3
-#define OR_FCM_TRLX             0x00000004
-#define OR_FCM_TRLX_SHIFT                2
-#define OR_FCM_EHTR             0x00000002
-#define OR_FCM_EHTR_SHIFT                1
-};
-
-struct elbc_regs {
-	struct elbc_bank bank[8];
-	u8 res0[0x28];
-	__be32 mar;             /**< UPM Address Register */
-	u8 res1[0x4];
-	__be32 mamr;            /**< UPMA Mode Register */
-	__be32 mbmr;            /**< UPMB Mode Register */
-	__be32 mcmr;            /**< UPMC Mode Register */
-	u8 res2[0x8];
-	__be32 mrtpr;           /**< Memory Refresh Timer Prescaler Register */
-	__be32 mdr;             /**< UPM Data Register */
-	u8 res3[0x4];
-	__be32 lsor;            /**< Special Operation Initiation Register */
-	__be32 lsdmr;           /**< SDRAM Mode Register */
-	u8 res4[0x8];
-	__be32 lurt;            /**< UPM Refresh Timer */
-	__be32 lsrt;            /**< SDRAM Refresh Timer */
-	u8 res5[0x8];
-	__be32 ltesr;           /**< Transfer Error Status Register */
-#define LTESR_BM   0x80000000
-#define LTESR_FCT  0x40000000
-#define LTESR_PAR  0x20000000
-#define LTESR_WP   0x04000000
-#define LTESR_ATMW 0x00800000
-#define LTESR_ATMR 0x00400000
-#define LTESR_CS   0x00080000
-#define LTESR_CC   0x00000001
-#define LTESR_NAND_MASK (LTESR_FCT | LTESR_PAR | LTESR_CC)
-	__be32 ltedr;           /**< Transfer Error Disable Register */
-	__be32 lteir;           /**< Transfer Error Interrupt Register */
-	__be32 lteatr;          /**< Transfer Error Attributes Register */
-	__be32 ltear;           /**< Transfer Error Address Register */
-	u8 res6[0xC];
-	__be32 lbcr;            /**< Configuration Register */
-#define LBCR_LDIS  0x80000000
-#define LBCR_LDIS_SHIFT    31
-#define LBCR_BCTLC 0x00C00000
-#define LBCR_BCTLC_SHIFT   22
-#define LBCR_AHD   0x00200000
-#define LBCR_LPBSE 0x00020000
-#define LBCR_LPBSE_SHIFT   17
-#define LBCR_EPAR  0x00010000
-#define LBCR_EPAR_SHIFT    16
-#define LBCR_BMT   0x0000FF00
-#define LBCR_BMT_SHIFT      8
-#define LBCR_INIT  0x00040000
-	__be32 lcrr;            /**< Clock Ratio Register */
-#define LCRR_DBYP    0x80000000
-#define LCRR_DBYP_SHIFT      31
-#define LCRR_BUFCMDC 0x30000000
-#define LCRR_BUFCMDC_SHIFT   28
-#define LCRR_ECL     0x03000000
-#define LCRR_ECL_SHIFT       24
-#define LCRR_EADC    0x00030000
-#define LCRR_EADC_SHIFT      16
-#define LCRR_CLKDIV  0x0000000F
-#define LCRR_CLKDIV_SHIFT     0
-	u8 res7[0x8];
-	__be32 fmr;             /**< Flash Mode Register */
-#define FMR_CWTO     0x0000F000
-#define FMR_CWTO_SHIFT       12
-#define FMR_BOOT     0x00000800
-#define FMR_ECCM     0x00000100
-#define FMR_AL       0x00000030
-#define FMR_AL_SHIFT          4
-#define FMR_OP       0x00000003
-#define FMR_OP_SHIFT          0
-	__be32 fir;             /**< Flash Instruction Register */
-#define FIR_OP0      0xF0000000
-#define FIR_OP0_SHIFT        28
-#define FIR_OP1      0x0F000000
-#define FIR_OP1_SHIFT        24
-#define FIR_OP2      0x00F00000
-#define FIR_OP2_SHIFT        20
-#define FIR_OP3      0x000F0000
-#define FIR_OP3_SHIFT        16
-#define FIR_OP4      0x0000F000
-#define FIR_OP4_SHIFT        12
-#define FIR_OP5      0x00000F00
-#define FIR_OP5_SHIFT         8
-#define FIR_OP6      0x000000F0
-#define FIR_OP6_SHIFT         4
-#define FIR_OP7      0x0000000F
-#define FIR_OP7_SHIFT         0
-#define FIR_OP_NOP   0x0	/* No operation and end of sequence */
-#define FIR_OP_CA    0x1        /* Issue current column address */
-#define FIR_OP_PA    0x2        /* Issue current block+page address */
-#define FIR_OP_UA    0x3        /* Issue user defined address */
-#define FIR_OP_CM0   0x4        /* Issue command from FCR[CMD0] */
-#define FIR_OP_CM1   0x5        /* Issue command from FCR[CMD1] */
-#define FIR_OP_CM2   0x6        /* Issue command from FCR[CMD2] */
-#define FIR_OP_CM3   0x7        /* Issue command from FCR[CMD3] */
-#define FIR_OP_WB    0x8        /* Write FBCR bytes from FCM buffer */
-#define FIR_OP_WS    0x9        /* Write 1 or 2 bytes from MDR[AS] */
-#define FIR_OP_RB    0xA        /* Read FBCR bytes to FCM buffer */
-#define FIR_OP_RS    0xB        /* Read 1 or 2 bytes to MDR[AS] */
-#define FIR_OP_CW0   0xC        /* Wait then issue FCR[CMD0] */
-#define FIR_OP_CW1   0xD        /* Wait then issue FCR[CMD1] */
-#define FIR_OP_RBW   0xE        /* Wait then read FBCR bytes */
-#define FIR_OP_RSW   0xE        /* Wait then read 1 or 2 bytes */
-	__be32 fcr;             /**< Flash Command Register */
-#define FCR_CMD0     0xFF000000
-#define FCR_CMD0_SHIFT       24
-#define FCR_CMD1     0x00FF0000
-#define FCR_CMD1_SHIFT       16
-#define FCR_CMD2     0x0000FF00
-#define FCR_CMD2_SHIFT        8
-#define FCR_CMD3     0x000000FF
-#define FCR_CMD3_SHIFT        0
-	__be32 fbar;            /**< Flash Block Address Register */
-#define FBAR_BLK     0x00FFFFFF
-	__be32 fpar;            /**< Flash Page Address Register */
-#define FPAR_SP_PI   0x00007C00
-#define FPAR_SP_PI_SHIFT     10
-#define FPAR_SP_MS   0x00000200
-#define FPAR_SP_CI   0x000001FF
-#define FPAR_SP_CI_SHIFT      0
-#define FPAR_LP_PI   0x0003F000
-#define FPAR_LP_PI_SHIFT     12
-#define FPAR_LP_MS   0x00000800
-#define FPAR_LP_CI   0x000007FF
-#define FPAR_LP_CI_SHIFT      0
-	__be32 fbcr;            /**< Flash Byte Count Register */
-#define FBCR_BC      0x00000FFF
-	u8 res11[0x8];
-	u8 res8[0xF00];
-};
-
 struct fsl_elbc_ctrl;
 
 /* mtd information per set */
@@ -261,7 +66,7 @@ struct fsl_elbc_ctrl {
 
 	/* device info */
 	struct device *dev;
-	struct elbc_regs __iomem *regs;
+	struct fsl_lbc_regs __iomem *regs;
 	int irq;
 	wait_queue_head_t irq_wait;
 	unsigned int irq_status; /* status read from LTESR by irq handler */
@@ -322,7 +127,7 @@ static void set_addr(struct mtd_info *mtd, int column, int page_addr, int oob)
 	struct nand_chip *chip = mtd->priv;
 	struct fsl_elbc_mtd *priv = chip->priv;
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
-	struct elbc_regs __iomem *lbc = ctrl->regs;
+	struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
 	int buf_num;
 
 	ctrl->page = page_addr;
@@ -363,7 +168,7 @@ static int fsl_elbc_run_command(struct mtd_info *mtd)
 	struct nand_chip *chip = mtd->priv;
 	struct fsl_elbc_mtd *priv = chip->priv;
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
-	struct elbc_regs __iomem *lbc = ctrl->regs;
+	struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
 
 	/* Setup the FMR[OP] to execute without write protection */
 	out_be32(&lbc->fmr, priv->fmr | 3);
@@ -406,7 +211,7 @@ static void fsl_elbc_do_read(struct nand_chip *chip, int oob)
 {
 	struct fsl_elbc_mtd *priv = chip->priv;
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
-	struct elbc_regs __iomem *lbc = ctrl->regs;
+	struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
 
 	if (priv->page_size) {
 		out_be32(&lbc->fir,
@@ -439,7 +244,7 @@ static void fsl_elbc_cmdfunc(struct mtd_info *mtd, unsigned int command,
 	struct nand_chip *chip = mtd->priv;
 	struct fsl_elbc_mtd *priv = chip->priv;
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
-	struct elbc_regs __iomem *lbc = ctrl->regs;
+	struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
 
 	ctrl->use_mdr = 0;
 
@@ -775,7 +580,7 @@ static int fsl_elbc_wait(struct mtd_info *mtd, struct nand_chip *chip)
 {
 	struct fsl_elbc_mtd *priv = chip->priv;
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
-	struct elbc_regs __iomem *lbc = ctrl->regs;
+	struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
 
 	if (ctrl->status != LTESR_CC)
 		return NAND_STATUS_FAIL;
@@ -807,7 +612,7 @@ static int fsl_elbc_chip_init_tail(struct mtd_info *mtd)
 	struct nand_chip *chip = mtd->priv;
 	struct fsl_elbc_mtd *priv = chip->priv;
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
-	struct elbc_regs __iomem *lbc = ctrl->regs;
+	struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
 	unsigned int al;
 
 	/* calculate FMR Address Length field */
@@ -922,7 +727,7 @@ static void fsl_elbc_write_page(struct mtd_info *mtd,
 static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv)
 {
 	struct fsl_elbc_ctrl *ctrl = priv->ctrl;
-	struct elbc_regs __iomem *lbc = ctrl->regs;
+	struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
 	struct nand_chip *chip = &priv->chip;
 
 	dev_dbg(priv->dev, "eLBC Set Information for bank %d\n", priv->bank);
@@ -986,7 +791,7 @@ static int fsl_elbc_chip_remove(struct fsl_elbc_mtd *priv)
 static int fsl_elbc_chip_probe(struct fsl_elbc_ctrl *ctrl,
                                struct device_node *node)
 {
-	struct elbc_regs __iomem *lbc = ctrl->regs;
+	struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
 	struct fsl_elbc_mtd *priv;
 	struct resource res;
 #ifdef CONFIG_MTD_PARTITIONS
@@ -1083,7 +888,7 @@ err:
 
 static int __devinit fsl_elbc_ctrl_init(struct fsl_elbc_ctrl *ctrl)
 {
-	struct elbc_regs __iomem *lbc = ctrl->regs;
+	struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
 
 	/* clear event registers */
 	setbits32(&lbc->ltesr, LTESR_NAND_MASK);
@@ -1128,7 +933,7 @@ static int __devexit fsl_elbc_ctrl_remove(struct of_device *ofdev)
 static irqreturn_t fsl_elbc_ctrl_irq(int irqno, void *data)
 {
 	struct fsl_elbc_ctrl *ctrl = data;
-	struct elbc_regs __iomem *lbc = ctrl->regs;
+	struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
 	__be32 status = in_be32(&lbc->ltesr) & LTESR_NAND_MASK;
 
 	if (status) {
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 4d71729e85e..2f1f3f2739f 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -218,7 +218,8 @@ obj-$(CONFIG_SMC911X) += smc911x.o
 obj-$(CONFIG_BFIN_MAC) += bfin_mac.o
 obj-$(CONFIG_DM9000) += dm9000.o
 obj-$(CONFIG_FEC_8XX) += fec_8xx/
-obj-$(CONFIG_PASEMI_MAC) += pasemi_mac.o
+obj-$(CONFIG_PASEMI_MAC) += pasemi_mac_driver.o
+pasemi_mac_driver-objs := pasemi_mac.o pasemi_mac_ethtool.o
 obj-$(CONFIG_MLX4_CORE) += mlx4/
 obj-$(CONFIG_ENC28J60) += enc28j60.o
 
diff --git a/drivers/net/iseries_veth.c b/drivers/net/iseries_veth.c
index 58d3bb622da..b8d0639c1cd 100644
--- a/drivers/net/iseries_veth.c
+++ b/drivers/net/iseries_veth.c
@@ -308,7 +308,8 @@ static void veth_complete_allocation(void *parm, int number)
 
 static int veth_allocate_events(HvLpIndex rlp, int number)
 {
-	struct veth_allocation vc = { COMPLETION_INITIALIZER(vc.c), 0 };
+	struct veth_allocation vc =
+		{ COMPLETION_INITIALIZER_ONSTACK(vc.c), 0 };
 
 	mf_allocate_lp_events(rlp, HvLpEvent_Type_VirtualLan,
 			    sizeof(struct veth_lpevent), number,
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index bcd7f9814ed..3b2a6c59808 100644
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -55,15 +55,10 @@
  * - Multiqueue RX/TX
  */
 
-
-/* Must be a power of two */
-#define RX_RING_SIZE 2048
-#define TX_RING_SIZE 4096
-
 #define LRO_MAX_AGGR 64
 
 #define PE_MIN_MTU	64
-#define PE_MAX_MTU	1500
+#define PE_MAX_MTU	9000
 #define PE_DEF_MTU	ETH_DATA_LEN
 
 #define DEFAULT_MSG_ENABLE	  \
@@ -76,16 +71,6 @@
 	 NETIF_MSG_RX_ERR	| \
 	 NETIF_MSG_TX_ERR)
 
-#define TX_DESC(tx, num)	((tx)->chan.ring_virt[(num) & (TX_RING_SIZE-1)])
-#define TX_DESC_INFO(tx, num)	((tx)->ring_info[(num) & (TX_RING_SIZE-1)])
-#define RX_DESC(rx, num)	((rx)->chan.ring_virt[(num) & (RX_RING_SIZE-1)])
-#define RX_DESC_INFO(rx, num)	((rx)->ring_info[(num) & (RX_RING_SIZE-1)])
-#define RX_BUFF(rx, num)	((rx)->buffers[(num) & (RX_RING_SIZE-1)])
-
-#define RING_USED(ring)		(((ring)->next_to_fill - (ring)->next_to_clean) \
-				 & ((ring)->size - 1))
-#define RING_AVAIL(ring)	((ring->size) - RING_USED(ring))
-
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR ("Olof Johansson <olof@lixom.net>");
 MODULE_DESCRIPTION("PA Semi PWRficient Ethernet driver");
@@ -94,6 +79,8 @@ static int debug = -1;	/* -1 == use DEFAULT_MSG_ENABLE as value */
 module_param(debug, int, 0);
 MODULE_PARM_DESC(debug, "PA Semi MAC bitmapped debugging message enable value");
 
+extern const struct ethtool_ops pasemi_mac_ethtool_ops;
+
 static int translation_enabled(void)
 {
 #if defined(CONFIG_PPC_PASEMI_IOMMU_DMA_FORCE)
@@ -322,6 +309,104 @@ static int pasemi_mac_unmap_tx_skb(struct pasemi_mac *mac,
 	return (nfrags + 3) & ~1;
 }
 
+static struct pasemi_mac_csring *pasemi_mac_setup_csring(struct pasemi_mac *mac)
+{
+	struct pasemi_mac_csring *ring;
+	u32 val;
+	unsigned int cfg;
+	int chno;
+
+	ring = pasemi_dma_alloc_chan(TXCHAN, sizeof(struct pasemi_mac_csring),
+				       offsetof(struct pasemi_mac_csring, chan));
+
+	if (!ring) {
+		dev_err(&mac->pdev->dev, "Can't allocate checksum channel\n");
+		goto out_chan;
+	}
+
+	chno = ring->chan.chno;
+
+	ring->size = CS_RING_SIZE;
+	ring->next_to_fill = 0;
+
+	/* Allocate descriptors */
+	if (pasemi_dma_alloc_ring(&ring->chan, CS_RING_SIZE))
+		goto out_ring_desc;
+
+	write_dma_reg(PAS_DMA_TXCHAN_BASEL(chno),
+		      PAS_DMA_TXCHAN_BASEL_BRBL(ring->chan.ring_dma));
+	val = PAS_DMA_TXCHAN_BASEU_BRBH(ring->chan.ring_dma >> 32);
+	val |= PAS_DMA_TXCHAN_BASEU_SIZ(CS_RING_SIZE >> 3);
+
+	write_dma_reg(PAS_DMA_TXCHAN_BASEU(chno), val);
+
+	ring->events[0] = pasemi_dma_alloc_flag();
+	ring->events[1] = pasemi_dma_alloc_flag();
+	if (ring->events[0] < 0 || ring->events[1] < 0)
+		goto out_flags;
+
+	pasemi_dma_clear_flag(ring->events[0]);
+	pasemi_dma_clear_flag(ring->events[1]);
+
+	ring->fun = pasemi_dma_alloc_fun();
+	if (ring->fun < 0)
+		goto out_fun;
+
+	cfg = PAS_DMA_TXCHAN_CFG_TY_FUNC | PAS_DMA_TXCHAN_CFG_UP |
+	      PAS_DMA_TXCHAN_CFG_TATTR(ring->fun) |
+	      PAS_DMA_TXCHAN_CFG_LPSQ | PAS_DMA_TXCHAN_CFG_LPDQ;
+
+	if (translation_enabled())
+		cfg |= PAS_DMA_TXCHAN_CFG_TRD | PAS_DMA_TXCHAN_CFG_TRR;
+
+	write_dma_reg(PAS_DMA_TXCHAN_CFG(chno), cfg);
+
+	/* enable channel */
+	pasemi_dma_start_chan(&ring->chan, PAS_DMA_TXCHAN_TCMDSTA_SZ |
+					   PAS_DMA_TXCHAN_TCMDSTA_DB |
+					   PAS_DMA_TXCHAN_TCMDSTA_DE |
+					   PAS_DMA_TXCHAN_TCMDSTA_DA);
+
+	return ring;
+
+out_fun:
+out_flags:
+	if (ring->events[0] >= 0)
+		pasemi_dma_free_flag(ring->events[0]);
+	if (ring->events[1] >= 0)
+		pasemi_dma_free_flag(ring->events[1]);
+	pasemi_dma_free_ring(&ring->chan);
+out_ring_desc:
+	pasemi_dma_free_chan(&ring->chan);
+out_chan:
+
+	return NULL;
+}
+
+static void pasemi_mac_setup_csrings(struct pasemi_mac *mac)
+{
+	int i;
+	mac->cs[0] = pasemi_mac_setup_csring(mac);
+	if (mac->type == MAC_TYPE_XAUI)
+		mac->cs[1] = pasemi_mac_setup_csring(mac);
+	else
+		mac->cs[1] = 0;
+
+	for (i = 0; i < MAX_CS; i++)
+		if (mac->cs[i])
+			mac->num_cs++;
+}
+
+static void pasemi_mac_free_csring(struct pasemi_mac_csring *csring)
+{
+	pasemi_dma_stop_chan(&csring->chan);
+	pasemi_dma_free_flag(csring->events[0]);
+	pasemi_dma_free_flag(csring->events[1]);
+	pasemi_dma_free_ring(&csring->chan);
+	pasemi_dma_free_chan(&csring->chan);
+	pasemi_dma_free_fun(csring->fun);
+}
+
 static int pasemi_mac_setup_rx_resources(const struct net_device *dev)
 {
 	struct pasemi_mac_rxring *ring;
@@ -445,7 +530,7 @@ pasemi_mac_setup_tx_resources(const struct net_device *dev)
 	cfg = PAS_DMA_TXCHAN_CFG_TY_IFACE |
 	      PAS_DMA_TXCHAN_CFG_TATTR(mac->dma_if) |
 	      PAS_DMA_TXCHAN_CFG_UP |
-	      PAS_DMA_TXCHAN_CFG_WT(2);
+	      PAS_DMA_TXCHAN_CFG_WT(4);
 
 	if (translation_enabled())
 		cfg |= PAS_DMA_TXCHAN_CFG_TRD | PAS_DMA_TXCHAN_CFG_TRR;
@@ -810,13 +895,21 @@ restart:
 		u64 mactx = TX_DESC(txring, i);
 		struct sk_buff *skb;
 
-		skb = TX_DESC_INFO(txring, i+1).skb;
-		nr_frags = TX_DESC_INFO(txring, i).dma;
-
 		if ((mactx  & XCT_MACTX_E) ||
 		    (*chan->status & PAS_STATUS_ERROR))
 			pasemi_mac_tx_error(mac, mactx);
 
+		/* Skip over control descriptors */
+		if (!(mactx & XCT_MACTX_LLEN_M)) {
+			TX_DESC(txring, i) = 0;
+			TX_DESC(txring, i+1) = 0;
+			buf_count = 2;
+			continue;
+		}
+
+		skb = TX_DESC_INFO(txring, i+1).skb;
+		nr_frags = TX_DESC_INFO(txring, i).dma;
+
 		if (unlikely(mactx & XCT_MACTX_O))
 			/* Not yet transmitted */
 			break;
@@ -1041,13 +1134,7 @@ static int pasemi_mac_open(struct net_device *dev)
 {
 	struct pasemi_mac *mac = netdev_priv(dev);
 	unsigned int flags;
-	int ret;
-
-	/* enable rx section */
-	write_dma_reg(PAS_DMA_COM_RXCMD, PAS_DMA_COM_RXCMD_EN);
-
-	/* enable tx section */
-	write_dma_reg(PAS_DMA_COM_TXCMD, PAS_DMA_COM_TXCMD_EN);
+	int i, ret;
 
 	flags = PAS_MAC_CFG_TXP_FCE | PAS_MAC_CFG_TXP_FPC(3) |
 		PAS_MAC_CFG_TXP_SL(3) | PAS_MAC_CFG_TXP_COB(0xf) |
@@ -1064,6 +1151,19 @@ static int pasemi_mac_open(struct net_device *dev)
 	if (!mac->tx)
 		goto out_tx_ring;
 
+	/* We might already have allocated rings in case mtu was changed
+	 * before interface was brought up.
+	 */
+	if (dev->mtu > 1500 && !mac->num_cs) {
+		pasemi_mac_setup_csrings(mac);
+		if (!mac->num_cs)
+			goto out_tx_ring;
+	}
+
+	/* Zero out rmon counters */
+	for (i = 0; i < 32; i++)
+		write_mac_reg(mac, PAS_MAC_RMON(i), 0);
+
 	/* 0x3ff with 33MHz clock is about 31us */
 	write_iob_reg(PAS_IOB_DMA_COM_TIMEOUTCFG,
 		      PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(0x3ff));
@@ -1247,7 +1347,7 @@ static int pasemi_mac_close(struct net_device *dev)
 {
 	struct pasemi_mac *mac = netdev_priv(dev);
 	unsigned int sta;
-	int rxch, txch;
+	int rxch, txch, i;
 
 	rxch = rx_ring(mac)->chan.chno;
 	txch = tx_ring(mac)->chan.chno;
@@ -1292,6 +1392,13 @@ static int pasemi_mac_close(struct net_device *dev)
 	free_irq(mac->tx->chan.irq, mac->tx);
 	free_irq(mac->rx->chan.irq, mac->rx);
 
+	for (i = 0; i < mac->num_cs; i++) {
+		pasemi_mac_free_csring(mac->cs[i]);
+		mac->cs[i] = NULL;
+	}
+
+	mac->num_cs = 0;
+
 	/* Free resources */
 	pasemi_mac_free_rx_resources(mac);
 	pasemi_mac_free_tx_resources(mac);
@@ -1299,35 +1406,113 @@ static int pasemi_mac_close(struct net_device *dev)
 	return 0;
 }
 
+static void pasemi_mac_queue_csdesc(const struct sk_buff *skb,
+				    const dma_addr_t *map,
+				    const unsigned int *map_size,
+				    struct pasemi_mac_txring *txring,
+				    struct pasemi_mac_csring *csring)
+{
+	u64 fund;
+	dma_addr_t cs_dest;
+	const int nh_off = skb_network_offset(skb);
+	const int nh_len = skb_network_header_len(skb);
+	const int nfrags = skb_shinfo(skb)->nr_frags;
+	int cs_size, i, fill, hdr, cpyhdr, evt;
+	dma_addr_t csdma;
+
+	fund = XCT_FUN_ST | XCT_FUN_RR_8BRES |
+	       XCT_FUN_O | XCT_FUN_FUN(csring->fun) |
+	       XCT_FUN_CRM_SIG | XCT_FUN_LLEN(skb->len - nh_off) |
+	       XCT_FUN_SHL(nh_len >> 2) | XCT_FUN_SE;
+
+	switch (ip_hdr(skb)->protocol) {
+	case IPPROTO_TCP:
+		fund |= XCT_FUN_SIG_TCP4;
+		/* TCP checksum is 16 bytes into the header */
+		cs_dest = map[0] + skb_transport_offset(skb) + 16;
+		break;
+	case IPPROTO_UDP:
+		fund |= XCT_FUN_SIG_UDP4;
+		/* UDP checksum is 6 bytes into the header */
+		cs_dest = map[0] + skb_transport_offset(skb) + 6;
+		break;
+	default:
+		BUG();
+	}
+
+	/* Do the checksum offloaded */
+	fill = csring->next_to_fill;
+	hdr = fill;
+
+	CS_DESC(csring, fill++) = fund;
+	/* Room for 8BRES. Checksum result is really 2 bytes into it */
+	csdma = csring->chan.ring_dma + (fill & (CS_RING_SIZE-1)) * 8 + 2;
+	CS_DESC(csring, fill++) = 0;
+
+	CS_DESC(csring, fill) = XCT_PTR_LEN(map_size[0]-nh_off) | XCT_PTR_ADDR(map[0]+nh_off);
+	for (i = 1; i <= nfrags; i++)
+		CS_DESC(csring, fill+i) = XCT_PTR_LEN(map_size[i]) | XCT_PTR_ADDR(map[i]);
+
+	fill += i;
+	if (fill & 1)
+		fill++;
+
+	/* Copy the result into the TCP packet */
+	cpyhdr = fill;
+	CS_DESC(csring, fill++) = XCT_FUN_O | XCT_FUN_FUN(csring->fun) |
+				  XCT_FUN_LLEN(2) | XCT_FUN_SE;
+	CS_DESC(csring, fill++) = XCT_PTR_LEN(2) | XCT_PTR_ADDR(cs_dest) | XCT_PTR_T;
+	CS_DESC(csring, fill++) = XCT_PTR_LEN(2) | XCT_PTR_ADDR(csdma);
+	fill++;
+
+	evt = !csring->last_event;
+	csring->last_event = evt;
+
+	/* Event handshaking with MAC TX */
+	CS_DESC(csring, fill++) = CTRL_CMD_T | CTRL_CMD_META_EVT | CTRL_CMD_O |
+				  CTRL_CMD_ETYPE_SET | CTRL_CMD_REG(csring->events[evt]);
+	CS_DESC(csring, fill++) = 0;
+	CS_DESC(csring, fill++) = CTRL_CMD_T | CTRL_CMD_META_EVT | CTRL_CMD_O |
+				  CTRL_CMD_ETYPE_WCLR | CTRL_CMD_REG(csring->events[!evt]);
+	CS_DESC(csring, fill++) = 0;
+	csring->next_to_fill = fill & (CS_RING_SIZE-1);
+
+	cs_size = fill - hdr;
+	write_dma_reg(PAS_DMA_TXCHAN_INCR(csring->chan.chno), (cs_size) >> 1);
+
+	/* TX-side event handshaking */
+	fill = txring->next_to_fill;
+	TX_DESC(txring, fill++) = CTRL_CMD_T | CTRL_CMD_META_EVT | CTRL_CMD_O |
+				  CTRL_CMD_ETYPE_WSET | CTRL_CMD_REG(csring->events[evt]);
+	TX_DESC(txring, fill++) = 0;
+	TX_DESC(txring, fill++) = CTRL_CMD_T | CTRL_CMD_META_EVT | CTRL_CMD_O |
+				  CTRL_CMD_ETYPE_CLR | CTRL_CMD_REG(csring->events[!evt]);
+	TX_DESC(txring, fill++) = 0;
+	txring->next_to_fill = fill;
+
+	write_dma_reg(PAS_DMA_TXCHAN_INCR(txring->chan.chno), 2);
+
+	return;
+}
+
 static int pasemi_mac_start_tx(struct sk_buff *skb, struct net_device *dev)
 {
-	struct pasemi_mac *mac = netdev_priv(dev);
-	struct pasemi_mac_txring *txring;
-	u64 dflags, mactx;
+	struct pasemi_mac * const mac = netdev_priv(dev);
+	struct pasemi_mac_txring * const txring = tx_ring(mac);
+	struct pasemi_mac_csring *csring;
+	u64 dflags = 0;
+	u64 mactx;
 	dma_addr_t map[MAX_SKB_FRAGS+1];
 	unsigned int map_size[MAX_SKB_FRAGS+1];
 	unsigned long flags;
 	int i, nfrags;
 	int fill;
+	const int nh_off = skb_network_offset(skb);
+	const int nh_len = skb_network_header_len(skb);
 
-	dflags = XCT_MACTX_O | XCT_MACTX_ST | XCT_MACTX_CRC_PAD;
-
-	if (skb->ip_summed == CHECKSUM_PARTIAL) {
-		const unsigned char *nh = skb_network_header(skb);
+	prefetch(&txring->ring_info);
 
-		switch (ip_hdr(skb)->protocol) {
-		case IPPROTO_TCP:
-			dflags |= XCT_MACTX_CSUM_TCP;
-			dflags |= XCT_MACTX_IPH(skb_network_header_len(skb) >> 2);
-			dflags |= XCT_MACTX_IPO(nh - skb->data);
-			break;
-		case IPPROTO_UDP:
-			dflags |= XCT_MACTX_CSUM_UDP;
-			dflags |= XCT_MACTX_IPH(skb_network_header_len(skb) >> 2);
-			dflags |= XCT_MACTX_IPO(nh - skb->data);
-			break;
-		}
-	}
+	dflags = XCT_MACTX_O | XCT_MACTX_ST | XCT_MACTX_CRC_PAD;
 
 	nfrags = skb_shinfo(skb)->nr_frags;
 
@@ -1350,24 +1535,46 @@ static int pasemi_mac_start_tx(struct sk_buff *skb, struct net_device *dev)
 		}
 	}
 
-	mactx = dflags | XCT_MACTX_LLEN(skb->len);
+	if (skb->ip_summed == CHECKSUM_PARTIAL && skb->len <= 1540) {
+		switch (ip_hdr(skb)->protocol) {
+		case IPPROTO_TCP:
+			dflags |= XCT_MACTX_CSUM_TCP;
+			dflags |= XCT_MACTX_IPH(nh_len >> 2);
+			dflags |= XCT_MACTX_IPO(nh_off);
+			break;
+		case IPPROTO_UDP:
+			dflags |= XCT_MACTX_CSUM_UDP;
+			dflags |= XCT_MACTX_IPH(nh_len >> 2);
+			dflags |= XCT_MACTX_IPO(nh_off);
+			break;
+		default:
+			WARN_ON(1);
+		}
+	}
 
-	txring = tx_ring(mac);
+	mactx = dflags | XCT_MACTX_LLEN(skb->len);
 
 	spin_lock_irqsave(&txring->lock, flags);
 
-	fill = txring->next_to_fill;
-
 	/* Avoid stepping on the same cache line that the DMA controller
 	 * is currently about to send, so leave at least 8 words available.
 	 * Total free space needed is mactx + fragments + 8
 	 */
-	if (RING_AVAIL(txring) < nfrags + 10) {
+	if (RING_AVAIL(txring) < nfrags + 14) {
 		/* no room -- stop the queue and wait for tx intr */
 		netif_stop_queue(dev);
 		goto out_err;
 	}
 
+	/* Queue up checksum + event descriptors, if needed */
+	if (mac->num_cs && skb->ip_summed == CHECKSUM_PARTIAL && skb->len > 1540) {
+		csring = mac->cs[mac->last_cs];
+		mac->last_cs = (mac->last_cs + 1) % mac->num_cs;
+
+		pasemi_mac_queue_csdesc(skb, map, map_size, txring, csring);
+	}
+
+	fill = txring->next_to_fill;
 	TX_DESC(txring, fill) = mactx;
 	TX_DESC_INFO(txring, fill).dma = nfrags;
 	fill++;
@@ -1441,12 +1648,33 @@ static int pasemi_mac_poll(struct napi_struct *napi, int budget)
 	return pkts;
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+ */
+static void pasemi_mac_netpoll(struct net_device *dev)
+{
+	const struct pasemi_mac *mac = netdev_priv(dev);
+
+	disable_irq(mac->tx->chan.irq);
+	pasemi_mac_tx_intr(mac->tx->chan.irq, mac->tx);
+	enable_irq(mac->tx->chan.irq);
+
+	disable_irq(mac->rx->chan.irq);
+	pasemi_mac_rx_intr(mac->rx->chan.irq, mac->rx);
+	enable_irq(mac->rx->chan.irq);
+}
+#endif
+
 static int pasemi_mac_change_mtu(struct net_device *dev, int new_mtu)
 {
 	struct pasemi_mac *mac = netdev_priv(dev);
 	unsigned int reg;
-	unsigned int rcmdsta;
+	unsigned int rcmdsta = 0;
 	int running;
+	int ret = 0;
 
 	if (new_mtu < PE_MIN_MTU || new_mtu > PE_MAX_MTU)
 		return -EINVAL;
@@ -1468,6 +1696,16 @@ static int pasemi_mac_change_mtu(struct net_device *dev, int new_mtu)
 		pasemi_mac_pause_rxint(mac);
 		pasemi_mac_clean_rx(rx_ring(mac), RX_RING_SIZE);
 		pasemi_mac_free_rx_buffers(mac);
+
+	}
+
+	/* Setup checksum channels if large MTU and none already allocated */
+	if (new_mtu > 1500 && !mac->num_cs) {
+		pasemi_mac_setup_csrings(mac);
+		if (!mac->num_cs) {
+			ret = -ENOMEM;
+			goto out;
+		}
 	}
 
 	/* Change maxf, i.e. what size frames are accepted.
@@ -1482,6 +1720,7 @@ static int pasemi_mac_change_mtu(struct net_device *dev, int new_mtu)
 	/* MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */
 	mac->bufsz = new_mtu + ETH_HLEN + ETH_FCS_LEN + LOCAL_SKB_ALIGN + 128;
 
+out:
 	if (running) {
 		write_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if),
 			      rcmdsta | PAS_DMA_RXINT_RCMDSTA_EN);
@@ -1494,7 +1733,7 @@ static int pasemi_mac_change_mtu(struct net_device *dev, int new_mtu)
 		pasemi_mac_intf_enable(mac);
 	}
 
-	return 0;
+	return ret;
 }
 
 static int __devinit
@@ -1528,7 +1767,7 @@ pasemi_mac_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	netif_napi_add(dev, &mac->napi, pasemi_mac_poll, 64);
 
 	dev->features = NETIF_F_IP_CSUM | NETIF_F_LLTX | NETIF_F_SG |
-			NETIF_F_HIGHDMA;
+			NETIF_F_HIGHDMA | NETIF_F_GSO;
 
 	mac->lro_mgr.max_aggr = LRO_MAX_AGGR;
 	mac->lro_mgr.max_desc = MAX_LRO_DESCRIPTORS;
@@ -1588,8 +1827,12 @@ pasemi_mac_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	dev->mtu = PE_DEF_MTU;
 	/* 1500 MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */
 	mac->bufsz = dev->mtu + ETH_HLEN + ETH_FCS_LEN + LOCAL_SKB_ALIGN + 128;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	dev->poll_controller = pasemi_mac_netpoll;
+#endif
 
 	dev->change_mtu = pasemi_mac_change_mtu;
+	dev->ethtool_ops = &pasemi_mac_ethtool_ops;
 
 	if (err)
 		goto out;
diff --git a/drivers/net/pasemi_mac.h b/drivers/net/pasemi_mac.h
index 99e7b9329a6..1a115ec60b5 100644
--- a/drivers/net/pasemi_mac.h
+++ b/drivers/net/pasemi_mac.h
@@ -26,7 +26,14 @@
 #include <linux/spinlock.h>
 #include <linux/phy.h>
 
+/* Must be a power of two */
+#define RX_RING_SIZE 2048
+#define TX_RING_SIZE 4096
+#define CS_RING_SIZE (TX_RING_SIZE*2)
+
+
 #define MAX_LRO_DESCRIPTORS 8
+#define MAX_CS	2
 
 struct pasemi_mac_txring {
 	struct pasemi_dmachan chan; /* Must be first */
@@ -51,6 +58,15 @@ struct pasemi_mac_rxring {
 	struct pasemi_mac *mac;	/* Needed in intr handler */
 };
 
+struct pasemi_mac_csring {
+	struct pasemi_dmachan chan;
+	unsigned int	size;
+	unsigned int	next_to_fill;
+	int		events[2];
+	int		last_event;
+	int		fun;
+};
+
 struct pasemi_mac {
 	struct net_device *netdev;
 	struct pci_dev *pdev;
@@ -60,10 +76,12 @@ struct pasemi_mac {
 	struct napi_struct napi;
 
 	int		bufsz; /* RX ring buffer size */
+	int		last_cs;
+	int		num_cs;
+	u32		dma_if;
 	u8		type;
 #define MAC_TYPE_GMAC	1
 #define MAC_TYPE_XAUI	2
-	u32	dma_if;
 
 	u8		mac_addr[6];
 
@@ -74,6 +92,7 @@ struct pasemi_mac {
 
 	struct pasemi_mac_txring *tx;
 	struct pasemi_mac_rxring *rx;
+	struct pasemi_mac_csring *cs[MAX_CS];
 	char		tx_irq_name[10];		/* "eth%d tx" */
 	char		rx_irq_name[10];		/* "eth%d rx" */
 	int	link;
@@ -90,6 +109,16 @@ struct pasemi_mac_buffer {
 	dma_addr_t	dma;
 };
 
+#define TX_DESC(tx, num)	((tx)->chan.ring_virt[(num) & (TX_RING_SIZE-1)])
+#define TX_DESC_INFO(tx, num)	((tx)->ring_info[(num) & (TX_RING_SIZE-1)])
+#define RX_DESC(rx, num)	((rx)->chan.ring_virt[(num) & (RX_RING_SIZE-1)])
+#define RX_DESC_INFO(rx, num)	((rx)->ring_info[(num) & (RX_RING_SIZE-1)])
+#define RX_BUFF(rx, num)	((rx)->buffers[(num) & (RX_RING_SIZE-1)])
+#define CS_DESC(cs, num)	((cs)->chan.ring_virt[(num) & (CS_RING_SIZE-1)])
+
+#define RING_USED(ring)	(((ring)->next_to_fill - (ring)->next_to_clean) \
+				& ((ring)->size - 1))
+#define RING_AVAIL(ring)	((ring->size) - RING_USED(ring))
 
 /* PCI register offsets and formats */
 
@@ -101,6 +130,7 @@ enum {
 	PAS_MAC_CFG_ADR0 = 0x8c,
 	PAS_MAC_CFG_ADR1 = 0x90,
 	PAS_MAC_CFG_TXP = 0x98,
+	PAS_MAC_CFG_RMON = 0x100,
 	PAS_MAC_IPC_CHNL = 0x208,
 };
 
@@ -172,6 +202,8 @@ enum {
 #define PAS_MAC_CFG_TXP_TIFG(x)		(((x) << PAS_MAC_CFG_TXP_TIFG_S) & \
 					 PAS_MAC_CFG_TXP_TIFG_M)
 
+#define PAS_MAC_RMON(r)			(0x100+(r)*4)
+
 #define PAS_MAC_IPC_CHNL_DCHNO_M	0x003f0000
 #define PAS_MAC_IPC_CHNL_DCHNO_S	16
 #define PAS_MAC_IPC_CHNL_DCHNO(x)	(((x) << PAS_MAC_IPC_CHNL_DCHNO_S) & \
@@ -181,4 +213,5 @@ enum {
 #define PAS_MAC_IPC_CHNL_BCH(x)		(((x) << PAS_MAC_IPC_CHNL_BCH_S) & \
 					 PAS_MAC_IPC_CHNL_BCH_M)
 
+
 #endif /* PASEMI_MAC_H */
diff --git a/drivers/net/pasemi_mac_ethtool.c b/drivers/net/pasemi_mac_ethtool.c
new file mode 100644
index 00000000000..5e8df3afea6
--- /dev/null
+++ b/drivers/net/pasemi_mac_ethtool.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2006-2008 PA Semi, Inc
+ *
+ * Ethtool hooks for the PA Semi PWRficient onchip 1G/10G Ethernet MACs
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/pci.h>
+#include <linux/inet_lro.h>
+
+#include <asm/pasemi_dma.h>
+#include "pasemi_mac.h"
+
+static struct {
+	const char str[ETH_GSTRING_LEN];
+} ethtool_stats_keys[] = {
+	{ "rx-drops" },
+	{ "rx-bytes" },
+	{ "rx-packets" },
+	{ "rx-broadcast-packets" },
+	{ "rx-multicast-packets" },
+	{ "rx-crc-errors" },
+	{ "rx-undersize-errors" },
+	{ "rx-oversize-errors" },
+	{ "rx-short-fragment-errors" },
+	{ "rx-jabber-errors" },
+	{ "rx-64-byte-packets" },
+	{ "rx-65-127-byte-packets" },
+	{ "rx-128-255-byte-packets" },
+	{ "rx-256-511-byte-packets" },
+	{ "rx-512-1023-byte-packets" },
+	{ "rx-1024-1518-byte-packets" },
+	{ "rx-pause-frames" },
+	{ "tx-bytes" },
+	{ "tx-packets" },
+	{ "tx-broadcast-packets" },
+	{ "tx-multicast-packets" },
+	{ "tx-collisions" },
+	{ "tx-late-collisions" },
+	{ "tx-excessive-collisions" },
+	{ "tx-crc-errors" },
+	{ "tx-undersize-errors" },
+	{ "tx-oversize-errors" },
+	{ "tx-64-byte-packets" },
+	{ "tx-65-127-byte-packets" },
+	{ "tx-128-255-byte-packets" },
+	{ "tx-256-511-byte-packets" },
+	{ "tx-512-1023-byte-packets" },
+	{ "tx-1024-1518-byte-packets" },
+};
+
+static int
+pasemi_mac_ethtool_get_settings(struct net_device *netdev,
+			       struct ethtool_cmd *cmd)
+{
+	struct pasemi_mac *mac = netdev_priv(netdev);
+	struct phy_device *phydev = mac->phydev;
+
+	return phy_ethtool_gset(phydev, cmd);
+}
+
+static void
+pasemi_mac_ethtool_get_drvinfo(struct net_device *netdev,
+			       struct ethtool_drvinfo *drvinfo)
+{
+	struct pasemi_mac *mac;
+	mac = netdev_priv(netdev);
+
+	/* clear and fill out info */
+	memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
+	strncpy(drvinfo->driver, "pasemi_mac", 12);
+	strcpy(drvinfo->version, "N/A");
+	strcpy(drvinfo->fw_version, "N/A");
+	strncpy(drvinfo->bus_info, pci_name(mac->pdev), 32);
+}
+
+static u32
+pasemi_mac_ethtool_get_msglevel(struct net_device *netdev)
+{
+	struct pasemi_mac *mac = netdev_priv(netdev);
+	return mac->msg_enable;
+}
+
+static void
+pasemi_mac_ethtool_set_msglevel(struct net_device *netdev,
+				u32 level)
+{
+	struct pasemi_mac *mac = netdev_priv(netdev);
+	mac->msg_enable = level;
+}
+
+
+static void
+pasemi_mac_ethtool_get_ringparam(struct net_device *netdev,
+				 struct ethtool_ringparam *ering)
+{
+	struct pasemi_mac *mac = netdev->priv;
+
+	ering->tx_max_pending = TX_RING_SIZE/2;
+	ering->tx_pending = RING_USED(mac->tx)/2;
+	ering->rx_max_pending = RX_RING_SIZE/4;
+	ering->rx_pending = RING_USED(mac->rx)/4;
+}
+
+static int pasemi_mac_get_sset_count(struct net_device *netdev, int sset)
+{
+	switch (sset) {
+	case ETH_SS_STATS:
+		return ARRAY_SIZE(ethtool_stats_keys);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static void pasemi_mac_get_ethtool_stats(struct net_device *netdev,
+		struct ethtool_stats *stats, u64 *data)
+{
+	struct pasemi_mac *mac = netdev->priv;
+	int i;
+
+	data[0] = pasemi_read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if))
+			>> PAS_DMA_RXINT_RCMDSTA_DROPS_S;
+	for (i = 0; i < 32; i++)
+		data[1+i] = pasemi_read_mac_reg(mac->dma_if, PAS_MAC_RMON(i));
+}
+
+static void pasemi_mac_get_strings(struct net_device *netdev, u32 stringset,
+				   u8 *data)
+{
+	memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
+}
+
+const struct ethtool_ops pasemi_mac_ethtool_ops = {
+	.get_settings		= pasemi_mac_ethtool_get_settings,
+	.get_drvinfo		= pasemi_mac_ethtool_get_drvinfo,
+	.get_msglevel		= pasemi_mac_ethtool_get_msglevel,
+	.set_msglevel		= pasemi_mac_ethtool_set_msglevel,
+	.get_link		= ethtool_op_get_link,
+	.get_ringparam          = pasemi_mac_ethtool_get_ringparam,
+	.get_strings		= pasemi_mac_get_strings,
+	.get_sset_count		= pasemi_mac_get_sset_count,
+	.get_ethtool_stats	= pasemi_mac_get_ethtool_stats,
+};
+
diff --git a/drivers/net/ps3_gelic_net.c b/drivers/net/ps3_gelic_net.c
index 7eb6e7e848f..e365efb3c62 100644
--- a/drivers/net/ps3_gelic_net.c
+++ b/drivers/net/ps3_gelic_net.c
@@ -1266,6 +1266,85 @@ int gelic_net_set_rx_csum(struct net_device *netdev, u32 data)
 	return 0;
 }
 
+static void gelic_net_get_wol(struct net_device *netdev,
+			      struct ethtool_wolinfo *wol)
+{
+	if (0 <= ps3_compare_firmware_version(2, 2, 0))
+		wol->supported = WAKE_MAGIC;
+	else
+		wol->supported = 0;
+
+	wol->wolopts = ps3_sys_manager_get_wol() ? wol->supported : 0;
+	memset(&wol->sopass, 0, sizeof(wol->sopass));
+}
+static int gelic_net_set_wol(struct net_device *netdev,
+			     struct ethtool_wolinfo *wol)
+{
+	int status;
+	struct gelic_card *card;
+	u64 v1, v2;
+
+	if (ps3_compare_firmware_version(2, 2, 0) < 0 ||
+	    !capable(CAP_NET_ADMIN))
+		return -EPERM;
+
+	if (wol->wolopts & ~WAKE_MAGIC)
+		return -EINVAL;
+
+	card = netdev_card(netdev);
+	if (wol->wolopts & WAKE_MAGIC) {
+		status = lv1_net_control(bus_id(card), dev_id(card),
+					 GELIC_LV1_SET_WOL,
+					 GELIC_LV1_WOL_MAGIC_PACKET,
+					 0, GELIC_LV1_WOL_MP_ENABLE,
+					 &v1, &v2);
+		if (status) {
+			pr_info("%s: enabling WOL failed %d\n", __func__,
+				status);
+			status = -EIO;
+			goto done;
+		}
+		status = lv1_net_control(bus_id(card), dev_id(card),
+					 GELIC_LV1_SET_WOL,
+					 GELIC_LV1_WOL_ADD_MATCH_ADDR,
+					 0, GELIC_LV1_WOL_MATCH_ALL,
+					 &v1, &v2);
+		if (!status)
+			ps3_sys_manager_set_wol(1);
+		else {
+			pr_info("%s: enabling WOL filter failed %d\n",
+				__func__, status);
+			status = -EIO;
+		}
+	} else {
+		status = lv1_net_control(bus_id(card), dev_id(card),
+					 GELIC_LV1_SET_WOL,
+					 GELIC_LV1_WOL_MAGIC_PACKET,
+					 0, GELIC_LV1_WOL_MP_DISABLE,
+					 &v1, &v2);
+		if (status) {
+			pr_info("%s: disabling WOL failed %d\n", __func__,
+				status);
+			status = -EIO;
+			goto done;
+		}
+		status = lv1_net_control(bus_id(card), dev_id(card),
+					 GELIC_LV1_SET_WOL,
+					 GELIC_LV1_WOL_DELETE_MATCH_ADDR,
+					 0, GELIC_LV1_WOL_MATCH_ALL,
+					 &v1, &v2);
+		if (!status)
+			ps3_sys_manager_set_wol(0);
+		else {
+			pr_info("%s: removing WOL filter failed %d\n",
+				__func__, status);
+			status = -EIO;
+		}
+	}
+done:
+	return status;
+}
+
 static struct ethtool_ops gelic_ether_ethtool_ops = {
 	.get_drvinfo	= gelic_net_get_drvinfo,
 	.get_settings	= gelic_ether_get_settings,
@@ -1274,6 +1353,8 @@ static struct ethtool_ops gelic_ether_ethtool_ops = {
 	.set_tx_csum	= ethtool_op_set_tx_csum,
 	.get_rx_csum	= gelic_net_get_rx_csum,
 	.set_rx_csum	= gelic_net_set_rx_csum,
+	.get_wol	= gelic_net_get_wol,
+	.set_wol	= gelic_net_set_wol,
 };
 
 /**
diff --git a/drivers/net/ps3_gelic_net.h b/drivers/net/ps3_gelic_net.h
index 1d39d06797e..520f143c2c0 100644
--- a/drivers/net/ps3_gelic_net.h
+++ b/drivers/net/ps3_gelic_net.h
@@ -182,12 +182,32 @@ enum gelic_lv1_net_control_code {
 	GELIC_LV1_GET_ETH_PORT_STATUS	= 2,
 	GELIC_LV1_SET_NEGOTIATION_MODE	= 3,
 	GELIC_LV1_GET_VLAN_ID		= 4,
+	GELIC_LV1_SET_WOL		= 5,
 	GELIC_LV1_GET_CHANNEL           = 6,
 	GELIC_LV1_POST_WLAN_CMD		= 9,
 	GELIC_LV1_GET_WLAN_CMD_RESULT	= 10,
 	GELIC_LV1_GET_WLAN_EVENT	= 11
 };
 
+/* for GELIC_LV1_SET_WOL */
+enum gelic_lv1_wol_command {
+	GELIC_LV1_WOL_MAGIC_PACKET	= 1,
+	GELIC_LV1_WOL_ADD_MATCH_ADDR	= 6,
+	GELIC_LV1_WOL_DELETE_MATCH_ADDR	= 7,
+};
+
+/* for GELIC_LV1_WOL_MAGIC_PACKET */
+enum gelic_lv1_wol_mp_arg {
+	GELIC_LV1_WOL_MP_DISABLE	= 0,
+	GELIC_LV1_WOL_MP_ENABLE		= 1,
+};
+
+/* for GELIC_LV1_WOL_{ADD,DELETE}_MATCH_ADDR */
+enum gelic_lv1_wol_match_arg {
+	GELIC_LV1_WOL_MATCH_INDIVIDUAL	= 0,
+	GELIC_LV1_WOL_MATCH_ALL		= 1,
+};
+
 /* status returened from GET_ETH_PORT_STATUS */
 enum gelic_lv1_ether_port_status {
 	GELIC_LV1_ETHER_LINK_UP		= 0x0000000000000001L,
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 29a4d650e8a..2f11254bcc0 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -3853,7 +3853,13 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma
 
 	ugeth_vdbg("%s: IN", __FUNCTION__);
 
-	prop = of_get_property(np, "device-id", NULL);
+	prop = of_get_property(np, "cell-index", NULL);
+	if (!prop) {
+		prop = of_get_property(np, "device-id", NULL);
+		if (!prop)
+			return -ENODEV;
+	}
+
 	ucc_num = *prop - 1;
 	if ((ucc_num < 0) || (ucc_num > 7))
 		return -ENODEV;
diff --git a/drivers/net/ucc_geth_mii.c b/drivers/net/ucc_geth_mii.c
index e4d3f330bac..2af49078100 100644
--- a/drivers/net/ucc_geth_mii.c
+++ b/drivers/net/ucc_geth_mii.c
@@ -203,9 +203,14 @@ static int uec_mdio_probe(struct of_device *ofdev, const struct of_device_id *ma
 		if ((res.start >= tempres.start) &&
 		    (res.end <= tempres.end)) {
 			/* set this UCC to be the MII master */
-			const u32 *id = of_get_property(tempnp, "device-id", NULL);
-			if (id == NULL)
-				goto bus_register_fail;
+			const u32 *id;
+
+			id = of_get_property(tempnp, "cell-index", NULL);
+			if (!id) {
+				id = of_get_property(tempnp, "device-id", NULL);
+				if (!id)
+					goto bus_register_fail;
+			}
 
 			ucc_set_qe_mux_mii_mng(*id - 1);
 
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index c03072b12f4..3a7a11a75fb 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -1,3 +1,15 @@
 config OF_DEVICE
 	def_bool y
 	depends on OF && (SPARC || PPC_OF)
+
+config OF_GPIO
+	def_bool y
+	depends on OF && PPC_OF && HAVE_GPIO_LIB
+	help
+	  OpenFirmware GPIO accessors
+
+config OF_I2C
+	def_tristate I2C
+	depends on PPC_OF && I2C
+	help
+	  OpenFirmware I2C accessors
diff --git a/drivers/of/Makefile b/drivers/of/Makefile
index ab9be5d5255..548772e871f 100644
--- a/drivers/of/Makefile
+++ b/drivers/of/Makefile
@@ -1,2 +1,4 @@
 obj-y = base.o
 obj-$(CONFIG_OF_DEVICE) += device.o platform.o
+obj-$(CONFIG_OF_GPIO)   += gpio.o
+obj-$(CONFIG_OF_I2C)	+= of_i2c.o
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 80c9deca5f3..9bd7c4a3125 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -117,6 +117,32 @@ int of_device_is_compatible(const struct device_node *device,
 EXPORT_SYMBOL(of_device_is_compatible);
 
 /**
+ *  of_device_is_available - check if a device is available for use
+ *
+ *  @device: Node to check for availability
+ *
+ *  Returns 1 if the status property is absent or set to "okay" or "ok",
+ *  0 otherwise
+ */
+int of_device_is_available(const struct device_node *device)
+{
+	const char *status;
+	int statlen;
+
+	status = of_get_property(device, "status", &statlen);
+	if (status == NULL)
+		return 1;
+
+	if (statlen > 0) {
+		if (!strcmp(status, "okay") || !strcmp(status, "ok"))
+			return 1;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(of_device_is_available);
+
+/**
  *	of_get_parent - Get a node's parent if any
  *	@node:	Node to get parent
  *
diff --git a/drivers/of/gpio.c b/drivers/of/gpio.c
new file mode 100644
index 00000000000..000681e98f2
--- /dev/null
+++ b/drivers/of/gpio.c
@@ -0,0 +1,242 @@
+/*
+ * OF helpers for the GPIO API
+ *
+ * Copyright (c) 2007-2008  MontaVista Software, Inc.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+#include <asm/prom.h>
+
+/**
+ * of_get_gpio - Get a GPIO number from the device tree to use with GPIO API
+ * @np:		device node to get GPIO from
+ * @index:	index of the GPIO
+ *
+ * Returns GPIO number to use with Linux generic GPIO API, or one of the errno
+ * value on the error condition.
+ */
+int of_get_gpio(struct device_node *np, int index)
+{
+	int ret = -EINVAL;
+	struct device_node *gc;
+	struct of_gpio_chip *of_gc = NULL;
+	int size;
+	const u32 *gpios;
+	u32 nr_cells;
+	int i;
+	const void *gpio_spec;
+	const u32 *gpio_cells;
+	int gpio_index = 0;
+
+	gpios = of_get_property(np, "gpios", &size);
+	if (!gpios) {
+		ret = -ENOENT;
+		goto err0;
+	}
+	nr_cells = size / sizeof(u32);
+
+	for (i = 0; i < nr_cells; gpio_index++) {
+		const phandle *gpio_phandle;
+
+		gpio_phandle = gpios + i;
+		gpio_spec = gpio_phandle + 1;
+
+		/* one cell hole in the gpios = <>; */
+		if (!*gpio_phandle) {
+			if (gpio_index == index)
+				return -ENOENT;
+			i++;
+			continue;
+		}
+
+		gc = of_find_node_by_phandle(*gpio_phandle);
+		if (!gc) {
+			pr_debug("%s: could not find phandle for gpios\n",
+				 np->full_name);
+			goto err0;
+		}
+
+		of_gc = gc->data;
+		if (!of_gc) {
+			pr_debug("%s: gpio controller %s isn't registered\n",
+				 np->full_name, gc->full_name);
+			goto err1;
+		}
+
+		gpio_cells = of_get_property(gc, "#gpio-cells", &size);
+		if (!gpio_cells || size != sizeof(*gpio_cells) ||
+				*gpio_cells != of_gc->gpio_cells) {
+			pr_debug("%s: wrong #gpio-cells for %s\n",
+				 np->full_name, gc->full_name);
+			goto err1;
+		}
+
+		/* Next phandle is at phandle cells + #gpio-cells */
+		i += sizeof(*gpio_phandle) / sizeof(u32) + *gpio_cells;
+		if (i >= nr_cells + 1) {
+			pr_debug("%s: insufficient gpio-spec length\n",
+				 np->full_name);
+			goto err1;
+		}
+
+		if (gpio_index == index)
+			break;
+
+		of_gc = NULL;
+		of_node_put(gc);
+	}
+
+	if (!of_gc) {
+		ret = -ENOENT;
+		goto err0;
+	}
+
+	ret = of_gc->xlate(of_gc, np, gpio_spec);
+	if (ret < 0)
+		goto err1;
+
+	ret += of_gc->gc.base;
+err1:
+	of_node_put(gc);
+err0:
+	pr_debug("%s exited with status %d\n", __func__, ret);
+	return ret;
+}
+EXPORT_SYMBOL(of_get_gpio);
+
+/**
+ * of_gpio_simple_xlate - translate gpio_spec to the GPIO number
+ * @of_gc:	pointer to the of_gpio_chip structure
+ * @np:		device node of the GPIO chip
+ * @gpio_spec:	gpio specifier as found in the device tree
+ *
+ * This is simple translation function, suitable for the most 1:1 mapped
+ * gpio chips. This function performs only one sanity check: whether gpio
+ * is less than ngpios (that is specified in the gpio_chip).
+ */
+int of_gpio_simple_xlate(struct of_gpio_chip *of_gc, struct device_node *np,
+			 const void *gpio_spec)
+{
+	const u32 *gpio = gpio_spec;
+
+	if (*gpio > of_gc->gc.ngpio)
+		return -EINVAL;
+
+	return *gpio;
+}
+EXPORT_SYMBOL(of_gpio_simple_xlate);
+
+/* Should be sufficient for now, later we'll use dynamic bases. */
+#if defined(CONFIG_PPC32) || defined(CONFIG_SPARC32)
+#define GPIOS_PER_CHIP 32
+#else
+#define GPIOS_PER_CHIP 64
+#endif
+
+static int of_get_gpiochip_base(struct device_node *np)
+{
+	struct device_node *gc = NULL;
+	int gpiochip_base = 0;
+
+	while ((gc = of_find_all_nodes(gc))) {
+		if (!of_get_property(gc, "gpio-controller", NULL))
+			continue;
+
+		if (gc != np) {
+			gpiochip_base += GPIOS_PER_CHIP;
+			continue;
+		}
+
+		of_node_put(gc);
+
+		if (gpiochip_base >= ARCH_NR_GPIOS)
+			return -ENOSPC;
+
+		return gpiochip_base;
+	}
+
+	return -ENOENT;
+}
+
+/**
+ * of_mm_gpiochip_add - Add memory mapped GPIO chip (bank)
+ * @np:		device node of the GPIO chip
+ * @mm_gc:	pointer to the of_mm_gpio_chip allocated structure
+ *
+ * To use this function you should allocate and fill mm_gc with:
+ *
+ * 1) In the gpio_chip structure:
+ *    - all the callbacks
+ *
+ * 2) In the of_gpio_chip structure:
+ *    - gpio_cells
+ *    - xlate callback (optional)
+ *
+ * 3) In the of_mm_gpio_chip structure:
+ *    - save_regs callback (optional)
+ *
+ * If succeeded, this function will map bank's memory and will
+ * do all necessary work for you. Then you'll able to use .regs
+ * to manage GPIOs from the callbacks.
+ */
+int of_mm_gpiochip_add(struct device_node *np,
+		       struct of_mm_gpio_chip *mm_gc)
+{
+	int ret = -ENOMEM;
+	struct of_gpio_chip *of_gc = &mm_gc->of_gc;
+	struct gpio_chip *gc = &of_gc->gc;
+
+	gc->label = kstrdup(np->full_name, GFP_KERNEL);
+	if (!gc->label)
+		goto err0;
+
+	mm_gc->regs = of_iomap(np, 0);
+	if (!mm_gc->regs)
+		goto err1;
+
+	gc->base = of_get_gpiochip_base(np);
+	if (gc->base < 0) {
+		ret = gc->base;
+		goto err1;
+	}
+
+	if (!of_gc->xlate)
+		of_gc->xlate = of_gpio_simple_xlate;
+
+	if (mm_gc->save_regs)
+		mm_gc->save_regs(mm_gc);
+
+	np->data = of_gc;
+
+	ret = gpiochip_add(gc);
+	if (ret)
+		goto err2;
+
+	/* We don't want to lose the node and its ->data */
+	of_node_get(np);
+
+	pr_debug("%s: registered as generic GPIO chip, base is %d\n",
+		 np->full_name, gc->base);
+	return 0;
+err2:
+	np->data = NULL;
+	iounmap(mm_gc->regs);
+err1:
+	kfree(gc->label);
+err0:
+	pr_err("%s: GPIO chip registration failed with status %d\n",
+	       np->full_name, ret);
+	return ret;
+}
+EXPORT_SYMBOL(of_mm_gpiochip_add);
diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
new file mode 100644
index 00000000000..63168917115
--- /dev/null
+++ b/drivers/of/of_i2c.c
@@ -0,0 +1,115 @@
+/*
+ * OF helpers for the I2C API
+ *
+ * Copyright (c) 2008 Jochen Friedrich <jochen@scram.de>
+ *
+ * Based on a previous patch from Jon Smirl <jonsmirl@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/i2c.h>
+#include <linux/of.h>
+
+struct i2c_driver_device {
+	char    *of_device;
+	char    *i2c_type;
+};
+
+static struct i2c_driver_device i2c_devices[] = {
+	{ "dallas,ds1374", "rtc-ds1374" },
+};
+
+static int of_find_i2c_driver(struct device_node *node,
+			      struct i2c_board_info *info)
+{
+	int i, cplen;
+	const char *compatible;
+	const char *p;
+
+	/* 1. search for exception list entry */
+	for (i = 0; i < ARRAY_SIZE(i2c_devices); i++) {
+		if (!of_device_is_compatible(node, i2c_devices[i].of_device))
+			continue;
+		if (strlcpy(info->type, i2c_devices[i].i2c_type,
+			    I2C_NAME_SIZE) >= I2C_NAME_SIZE)
+			return -ENOMEM;
+
+		return 0;
+	}
+
+	compatible = of_get_property(node, "compatible", &cplen);
+	if (!compatible)
+		return -ENODEV;
+
+	/* 2. search for linux,<i2c-type> entry */
+	p = compatible;
+	while (cplen > 0) {
+		if (!strncmp(p, "linux,", 6)) {
+			p += 6;
+			if (strlcpy(info->type, p,
+				    I2C_NAME_SIZE) >= I2C_NAME_SIZE)
+				return -ENOMEM;
+			return 0;
+		}
+
+		i = strlen(p) + 1;
+		p += i;
+		cplen -= i;
+	}
+
+	/* 3. take fist compatible entry and strip manufacturer */
+	p = strchr(compatible, ',');
+	if (!p)
+		return -ENODEV;
+	p++;
+	if (strlcpy(info->type, p, I2C_NAME_SIZE) >= I2C_NAME_SIZE)
+		return -ENOMEM;
+	return 0;
+}
+
+void of_register_i2c_devices(struct i2c_adapter *adap,
+			     struct device_node *adap_node)
+{
+	void *result;
+	struct device_node *node;
+
+	for_each_child_of_node(adap_node, node) {
+		struct i2c_board_info info = {};
+		const u32 *addr;
+		int len;
+
+		addr = of_get_property(node, "reg", &len);
+		if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) {
+			printk(KERN_ERR
+			       "of-i2c: invalid i2c device entry\n");
+			continue;
+		}
+
+		info.irq = irq_of_parse_and_map(node, 0);
+		if (info.irq == NO_IRQ)
+			info.irq = -1;
+
+		if (of_find_i2c_driver(node, &info) < 0) {
+			irq_dispose_mapping(info.irq);
+			continue;
+		}
+
+		info.addr = *addr;
+
+		request_module(info.type);
+
+		result = i2c_new_device(adap, &info);
+		if (result == NULL) {
+			printk(KERN_ERR
+			       "of-i2c: Failed to load driver for %s\n",
+			       info.type);
+			irq_dispose_mapping(info.irq);
+			continue;
+		}
+	}
+}
+EXPORT_SYMBOL(of_register_i2c_devices);
diff --git a/drivers/ps3/ps3-sys-manager.c b/drivers/ps3/ps3-sys-manager.c
index d4f6f960dd1..7605453b74f 100644
--- a/drivers/ps3/ps3-sys-manager.c
+++ b/drivers/ps3/ps3-sys-manager.c
@@ -24,6 +24,7 @@
 #include <linux/reboot.h>
 
 #include <asm/firmware.h>
+#include <asm/lv1call.h>
 #include <asm/ps3.h>
 
 #include "vuart.h"
@@ -187,6 +188,7 @@ enum ps3_sys_manager_next_op {
  * controller, and bluetooth controller.
  * @PS3_SM_WAKE_RTC:
  * @PS3_SM_WAKE_RTC_ERROR:
+ * @PS3_SM_WAKE_W_O_L: Ether or wireless LAN.
  * @PS3_SM_WAKE_P_O_R: Power on reset.
  *
  * Additional wakeup sources when specifying PS3_SM_NEXT_OP_SYS_SHUTDOWN.
@@ -200,10 +202,19 @@ enum ps3_sys_manager_wake_source {
 	PS3_SM_WAKE_DEFAULT   = 0,
 	PS3_SM_WAKE_RTC       = 0x00000040,
 	PS3_SM_WAKE_RTC_ERROR = 0x00000080,
+	PS3_SM_WAKE_W_O_L     = 0x00000400,
 	PS3_SM_WAKE_P_O_R     = 0x80000000,
 };
 
 /**
+ * user_wake_sources - User specified wakeup sources.
+ *
+ * Logical OR of enum ps3_sys_manager_wake_source types.
+ */
+
+static u32 user_wake_sources = PS3_SM_WAKE_DEFAULT;
+
+/**
  * enum ps3_sys_manager_cmd - Command from system manager to guest.
  *
  * The guest completes the actions needed, then acks or naks the command via
@@ -581,6 +592,23 @@ fail_id:
 	return -EIO;
 }
 
+static void ps3_sys_manager_fin(struct ps3_system_bus_device *dev)
+{
+	ps3_sys_manager_send_request_shutdown(dev);
+
+	pr_emerg("System Halted, OK to turn off power\n");
+
+	while (ps3_sys_manager_handle_msg(dev)) {
+		/* pause until next DEC interrupt */
+		lv1_pause(0);
+	}
+
+	while (1) {
+		/* pause, ignoring DEC interrupt */
+		lv1_pause(1);
+	}
+}
+
 /**
  * ps3_sys_manager_final_power_off - The final platform machine_power_off routine.
  *
@@ -601,13 +629,9 @@ static void ps3_sys_manager_final_power_off(struct ps3_system_bus_device *dev)
 	ps3_vuart_cancel_async(dev);
 
 	ps3_sys_manager_send_next_op(dev, PS3_SM_NEXT_OP_SYS_SHUTDOWN,
-		PS3_SM_WAKE_DEFAULT);
-	ps3_sys_manager_send_request_shutdown(dev);
-
-	pr_emerg("System Halted, OK to turn off power\n");
+		user_wake_sources);
 
-	while (1)
-		ps3_sys_manager_handle_msg(dev);
+	ps3_sys_manager_fin(dev);
 }
 
 /**
@@ -638,14 +662,42 @@ static void ps3_sys_manager_final_restart(struct ps3_system_bus_device *dev)
 
 	ps3_sys_manager_send_attr(dev, 0);
 	ps3_sys_manager_send_next_op(dev, PS3_SM_NEXT_OP_SYS_REBOOT,
-		PS3_SM_WAKE_DEFAULT);
-	ps3_sys_manager_send_request_shutdown(dev);
+		user_wake_sources);
 
-	pr_emerg("System Halted, OK to turn off power\n");
+	ps3_sys_manager_fin(dev);
+}
+
+/**
+ * ps3_sys_manager_get_wol - Get wake-on-lan setting.
+ */
+
+int ps3_sys_manager_get_wol(void)
+{
+	pr_debug("%s:%d\n", __func__, __LINE__);
+
+	return (user_wake_sources & PS3_SM_WAKE_W_O_L) != 0;
+}
+EXPORT_SYMBOL_GPL(ps3_sys_manager_get_wol);
+
+/**
+ * ps3_sys_manager_set_wol - Set wake-on-lan setting.
+ */
+
+void ps3_sys_manager_set_wol(int state)
+{
+	static DEFINE_MUTEX(mutex);
+
+	mutex_lock(&mutex);
+
+	pr_debug("%s:%d: %d\n", __func__, __LINE__, state);
 
-	while (1)
-		ps3_sys_manager_handle_msg(dev);
+	if (state)
+		user_wake_sources |= PS3_SM_WAKE_W_O_L;
+	else
+		user_wake_sources &= ~PS3_SM_WAKE_W_O_L;
+	mutex_unlock(&mutex);
 }
+EXPORT_SYMBOL_GPL(ps3_sys_manager_set_wol);
 
 /**
  * ps3_sys_manager_work - Asynchronous read handler.
diff --git a/drivers/ps3/sys-manager-core.c b/drivers/ps3/sys-manager-core.c
index 31648f7d9ae..474225852b6 100644
--- a/drivers/ps3/sys-manager-core.c
+++ b/drivers/ps3/sys-manager-core.c
@@ -19,6 +19,7 @@
  */
 
 #include <linux/kernel.h>
+#include <asm/lv1call.h>
 #include <asm/ps3.h>
 
 /**
@@ -50,10 +51,7 @@ void ps3_sys_manager_power_off(void)
 	if (ps3_sys_manager_ops.power_off)
 		ps3_sys_manager_ops.power_off(ps3_sys_manager_ops.dev);
 
-	printk(KERN_EMERG "System Halted, OK to turn off power\n");
-	local_irq_disable();
-	while (1)
-		(void)0;
+	ps3_sys_manager_halt();
 }
 
 void ps3_sys_manager_restart(void)
@@ -61,8 +59,14 @@ void ps3_sys_manager_restart(void)
 	if (ps3_sys_manager_ops.restart)
 		ps3_sys_manager_ops.restart(ps3_sys_manager_ops.dev);
 
-	printk(KERN_EMERG "System Halted, OK to turn off power\n");
+	ps3_sys_manager_halt();
+}
+
+void ps3_sys_manager_halt(void)
+{
+	pr_emerg("System Halted, OK to turn off power\n");
 	local_irq_disable();
 	while (1)
-		(void)0;
+		lv1_pause(1);
 }
+
diff --git a/drivers/serial/cpm_uart/cpm_uart.h b/drivers/serial/cpm_uart/cpm_uart.h
index 32b9737759c..0cc39f82d7c 100644
--- a/drivers/serial/cpm_uart/cpm_uart.h
+++ b/drivers/serial/cpm_uart/cpm_uart.h
@@ -92,6 +92,9 @@ extern struct uart_cpm_port cpm_uart_ports[UART_NR];
 
 /* these are located in their respective files */
 void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd);
+void __iomem *cpm_uart_map_pram(struct uart_cpm_port *port,
+				struct device_node *np);
+void cpm_uart_unmap_pram(struct uart_cpm_port *port, void __iomem *pram);
 int cpm_uart_init_portdesc(void);
 int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con);
 void cpm_uart_freebuf(struct uart_cpm_port *pinfo);
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
index 236af9d3385..a638ba0679a 100644
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/serial/cpm_uart/cpm_uart_core.c
@@ -966,24 +966,23 @@ static int cpm_uart_init_port(struct device_node *np,
 	if (!mem)
 		return -ENOMEM;
 
-	pram = of_iomap(np, 1);
-	if (!pram) {
-		ret = -ENOMEM;
-		goto out_mem;
-	}
-
 	if (of_device_is_compatible(np, "fsl,cpm1-scc-uart") ||
 	    of_device_is_compatible(np, "fsl,cpm2-scc-uart")) {
 		pinfo->sccp = mem;
-		pinfo->sccup = pram;
+		pinfo->sccup = pram = cpm_uart_map_pram(pinfo, np);
 	} else if (of_device_is_compatible(np, "fsl,cpm1-smc-uart") ||
 	           of_device_is_compatible(np, "fsl,cpm2-smc-uart")) {
 		pinfo->flags |= FLAG_SMC;
 		pinfo->smcp = mem;
-		pinfo->smcup = pram;
+		pinfo->smcup = pram = cpm_uart_map_pram(pinfo, np);
 	} else {
 		ret = -ENODEV;
-		goto out_pram;
+		goto out_mem;
+	}
+
+	if (!pram) {
+		ret = -ENOMEM;
+		goto out_mem;
 	}
 
 	pinfo->tx_nrfifos = TX_NUM_FIFO;
@@ -1007,7 +1006,7 @@ static int cpm_uart_init_port(struct device_node *np,
 	return cpm_uart_request_port(&pinfo->port);
 
 out_pram:
-	iounmap(pram);
+	cpm_uart_unmap_pram(pinfo, pram);
 out_mem:
 	iounmap(mem);
 	return ret;
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
index 6ea0366e26a..74f1432bb24 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
@@ -45,6 +45,8 @@
 #include <linux/serial_core.h>
 #include <linux/kernel.h>
 
+#include <linux/of.h>
+
 #include "cpm_uart.h"
 
 /**************************************************************/
@@ -54,6 +56,18 @@ void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd)
 {
 	cpm_command(port->command, cmd);
 }
+
+void __iomem *cpm_uart_map_pram(struct uart_cpm_port *port,
+				struct device_node *np)
+{
+	return of_iomap(np, 1);
+}
+
+void cpm_uart_unmap_pram(struct uart_cpm_port *port, void __iomem *pram)
+{
+	iounmap(pram);
+}
+
 #else
 void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd)
 {
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
index d9af06a791b..bb862e2f54c 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
@@ -41,6 +41,9 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/fs_pd.h>
+#ifdef CONFIG_PPC_CPM_NEW_BINDING
+#include <asm/prom.h>
+#endif
 
 #include <linux/serial_core.h>
 #include <linux/kernel.h>
@@ -54,6 +57,55 @@ void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd)
 {
 	cpm_command(port->command, cmd);
 }
+
+void __iomem *cpm_uart_map_pram(struct uart_cpm_port *port,
+				struct device_node *np)
+{
+	void __iomem *pram;
+	unsigned long offset;
+	struct resource res;
+	unsigned long len;
+
+	/* Don't remap parameter RAM if it has already been initialized
+	 * during console setup.
+	 */
+	if (IS_SMC(port) && port->smcup)
+		return port->smcup;
+	else if (!IS_SMC(port) && port->sccup)
+		return port->sccup;
+
+	if (of_address_to_resource(np, 1, &res))
+		return NULL;
+
+	len = 1 + res.end - res.start;
+	pram = ioremap(res.start, len);
+	if (!pram)
+		return NULL;
+
+	if (!IS_SMC(port))
+		return pram;
+
+	if (len != 2) {
+		printk(KERN_WARNING "cpm_uart[%d]: device tree references "
+			"SMC pram, using boot loader/wrapper pram mapping. "
+			"Please fix your device tree to reference the pram "
+			"base register instead.\n",
+			port->port.line);
+		return pram;
+	}
+
+	offset = cpm_dpalloc(PROFF_SMC_SIZE, 64);
+	out_be16(pram, offset);
+	iounmap(pram);
+	return cpm_muram_addr(offset);
+}
+
+void cpm_uart_unmap_pram(struct uart_cpm_port *port, void __iomem *pram)
+{
+	if (!IS_SMC(port))
+		iounmap(pram);
+}
+
 #else
 void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd)
 {
diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c
index c0e50a46105..8aacfb78dea 100644
--- a/drivers/serial/of_serial.c
+++ b/drivers/serial/of_serial.c
@@ -56,7 +56,9 @@ static int __devinit of_platform_serial_setup(struct of_device *ofdev,
 	port->flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_IOREMAP
 		| UPF_FIXED_PORT;
 	port->dev = &ofdev->dev;
-	port->custom_divisor = *clk / (16 * (*spd));
+	/* If current-speed was set, then try not to change it. */
+	if (spd)
+		port->custom_divisor = *clk / (16 * (*spd));
 
 	return 0;
 }
diff --git a/drivers/serial/ucc_uart.c b/drivers/serial/ucc_uart.c
index e0994f06100..5e4310ccd59 100644
--- a/drivers/serial/ucc_uart.c
+++ b/drivers/serial/ucc_uart.c
@@ -1270,10 +1270,18 @@ static int ucc_uart_probe(struct of_device *ofdev,
 
 	/* Get the UCC number (device ID) */
 	/* UCCs are numbered 1-7 */
-	iprop = of_get_property(np, "device-id", NULL);
-	if (!iprop || (*iprop < 1) || (*iprop > UCC_MAX_NUM)) {
-		dev_err(&ofdev->dev,
-			"missing or invalid UCC specified in device tree\n");
+	iprop = of_get_property(np, "cell-index", NULL);
+	if (!iprop) {
+		iprop = of_get_property(np, "device-id", NULL);
+		if (!iprop) {
+			dev_err(&ofdev->dev, "UCC is unspecified in "
+				"device tree\n");
+			return -EINVAL;
+		}
+	}
+
+	if ((*iprop < 1) || (*iprop > UCC_MAX_NUM)) {
+		dev_err(&ofdev->dev, "no support for UCC%u\n", *iprop);
 		kfree(qe_port);
 		return -ENODEV;
 	}