From: wdenk <wdenk>
Date: Mon, 23 Feb 2004 16:11:30 +0000 (+0000)
Subject: * CVS add missing files
X-Git-Tag: LABEL_2006_03_12_0025~648
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=3f85ce27858c44ee75d3650a53154ebcec0e24f2;p=u-boot

* CVS add missing files

* Cleanup compiler warnings

* Fix problem with side effects in macros in include/usb.h

* Patch by David Benson, 13 Nov 2003:
  bug 841358 - fix TFTP download size limit

* Fixing bug 850768:
  improper flush_cache() in load_serial()

* Fixing bug 834943:
  MPC8540 - missing volatile declarations

* Patch by Stephen Williams, 09 Feb 2004:
  Add support for Xilinx SystemACE chip:
  - New files common/cmd_ace.c and include/systemace.h
  - Hook systemace support into cmd_fat and the partition manager

* Patch by Travis Sawyer, 09 Feb 2004:
  Add bi_opbfreq & bi_iic_fast to 440GX bd_info as needed for Linux
---

diff --git a/CHANGELOG b/CHANGELOG
index 63f5eb856c..0c32415371 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,25 @@
 Changes for U-Boot 1.0.2:
 ======================================================================
 
+* Fix problem with side effects in macros in include/usb.h
+
+* Patch by David Benson, 13 Nov 2003:
+  bug 841358 - fix TFTP download size limit
+
+* Fixing bug 850768:
+  improper flush_cache() in load_serial()
+
+* Fixing bug 834943:
+  MPC8540 - missing volatile declarations
+
+* Patch by Stephen Williams, 09 Feb 2004:
+  Add support for Xilinx SystemACE chip:
+  - New files common/cmd_ace.c and include/systemace.h
+  - Hook systemace support into cmd_fat and the partition manager
+
+* Patch by Travis Sawyer, 09 Feb 2004:
+  Add bi_opbfreq & bi_iic_fast to 440GX bd_info as needed for Linux
+
 * Patch by Travis Sawyer, 09 Feb 2004:
   o 440GX:
     - Fix PCI Indirect access for type 1 config cycles with ppc440.
diff --git a/README b/README
index ac5b921b4d..41e99e329f 100644
--- a/README
+++ b/README
@@ -1410,6 +1410,20 @@ The following options need to be configured:
 		allows to read/write in Dataflash via the standard
 		commands cp, md...
 
+- SystemACE Support:
+		CONFIG_SYSTEMACE
+
+		Adding this option adds support for Xilinx SystemACE
+		chips attached via some sort of local bus. The address
+		of the chip must alsh be defined in the
+		CFG_SYSTEMACE_BASE macro. For example:
+
+		#define CONFIG_SYSTEMACE
+		#define CFG_SYSTEMACE_BASE 0xf0000000
+
+		When SystemACE support is added, the "ace" device type
+		becomes available to the fat commands, i.e. fatls.
+
 - Show boot progress:
 		CONFIG_SHOW_BOOT_PROGRESS
 
diff --git a/board/esd/ar405/fpgadata.c b/board/esd/ar405/fpgadata.c
index 74cf5d89c9..5c337e0390 100644
--- a/board/esd/ar405/fpgadata.c
+++ b/board/esd/ar405/fpgadata.c
@@ -2747,4 +2747,4 @@
  0x05,0x02,0x02,0x03,0x02,0x02,0x03,0x02,0x02,0x01,0x07,0x03,0x02,0x02,0x02,0x04,
  0x02,0x01,0x04,0x02,0x01,0x02,0x01,0x02,0x01,0x01,0xe5,0x05,0x04,0x03,0x07,0xe5,
  0xe5,0x03,0x04,0x04,0x0b,0x02,0xe5,0x01,0xe5,0x01,0xe5,0xff,0xff,0xff,0xff,0xff,
- 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
\ No newline at end of file
+ 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
diff --git a/board/evb64260/sdram_init.c b/board/evb64260/sdram_init.c
index d9318d5e60..8d63c6fa2a 100644
--- a/board/evb64260/sdram_init.c
+++ b/board/evb64260/sdram_init.c
@@ -341,11 +341,7 @@ static int setup_sdram_common (sdram_info_t info[2])
 			tras_clocks = info[0].tras_clocks;
 		if (!info[0].registered)
 			registered = 0;
-		if (info[0].ecc != 2indent: Standard input:491: Warning:old style assignment ambiguity in "=*".  Assuming "= *"
-
-indent: Standard input:492: Warning:old style assignment ambiguity in "=*".  Assuming "= *"
-
-)
+		if (info[0].ecc != 2)
 			ecc = 0;
 	}
 
diff --git a/common/Makefile b/common/Makefile
index eaf2cac451..66cb9ed883 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -28,7 +28,7 @@ LIB	= libcommon.a
 AOBJS	=
 
 COBJS	= main.o ACEX1K.o altera.o bedbug.o \
-	  cmd_autoscript.o \
+	  cmd_ace.o cmd_autoscript.o \
 	  cmd_bdinfo.o cmd_bedbug.o cmd_bmp.o cmd_boot.o cmd_bootm.o \
 	  cmd_cache.o cmd_console.o \
 	  cmd_date.o cmd_dcr.o cmd_diag.o cmd_doc.o cmd_dtt.o \
diff --git a/common/cmd_ace.c b/common/cmd_ace.c
new file mode 100644
index 0000000000..ee77f13568
--- /dev/null
+++ b/common/cmd_ace.c
@@ -0,0 +1,205 @@
+/*
+ * Copyright (c) 2004 Picture Elements, Inc.
+ *    Stephen Williams (XXXXXXXXXXXXXXXX)
+ *
+ *    This source code is free software; you can redistribute it
+ *    and/or modify it in source code form 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.
+ *
+ *    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
+ */
+#ident "$Id:$"
+
+/*
+ * The Xilinx SystemACE chip support is activated by defining
+ * CONFIG_SYSTEMACE to turn on support, and CFG_SYSTEMACE_BASE
+ * to set the base address of the device. This code currently
+ * assumes that the chip is connected via a byte-wide bus.
+ *
+ * The CONFIG_SYSTEMACE also adds to fat support the device class
+ * "ace" that allows the user to execute "fatls ace 0" and the
+ * like. This works by making the systemace_get_dev function
+ * available to cmd_fat.c:get_dev and filling in a block device
+ * description that has all the bits needed for FAT support to
+ * read sectors.
+ */
+
+# include  <common.h>
+# include  <command.h>
+# include  <systemace.h>
+# include  <part.h>
+# include  <asm/io.h>
+
+#ifdef CONFIG_SYSTEMACE
+
+/*
+ * The ace_readw and writew functions read/write 16bit words, but the
+ * offset value is the BYTE offset as most used in the Xilinx
+ * datasheet for the SystemACE chip. The CFG_SYSTEMACE_BASE is defined
+ * to be the base address for the chip, usually in the local
+ * peripheral bus.
+ */
+static unsigned ace_readw(unsigned offset)
+{
+      return readw(CFG_SYSTEMACE_BASE+offset);
+}
+
+static unsigned ace_writew(unsigned val, unsigned offset)
+{
+      writew(val, CFG_SYSTEMACE_BASE+offset);
+}
+
+/* */
+
+static unsigned long systemace_read(int dev,
+				    unsigned long start,
+				    unsigned long blkcnt,
+				    unsigned long *buffer);
+
+static block_dev_desc_t systemace_dev = {0};
+
+static int get_cf_lock(void)
+{
+      int retry = 10;
+
+	/* CONTROLREG = LOCKREG */
+      ace_writew(0x0002, 0x18);
+
+	/* Wait for MPULOCK in STATUSREG[15:0] */
+      while (! (ace_readw(0x04) & 0x0002)) {
+
+	    if (retry < 0)
+		  return -1;
+
+	    udelay(100000);
+	    retry -= 1;
+      }
+
+      return 0;
+}
+
+static void release_cf_lock(void)
+{
+	/* CONTROLREG = none */
+      ace_writew(0x0000, 0x18);
+}
+
+block_dev_desc_t *  systemace_get_dev(int dev)
+{
+	/* The first time through this, the systemace_dev object is
+	   not yet initialized. In that case, fill it in. */
+      if (systemace_dev.blksz == 0) {
+	    systemace_dev.if_type   = IF_TYPE_UNKNOWN;
+	    systemace_dev.part_type = PART_TYPE_UNKNOWN;
+	    systemace_dev.type      = DEV_TYPE_HARDDISK;
+	    systemace_dev.blksz     = 512;
+	    systemace_dev.removable = 1;
+	    systemace_dev.block_read = systemace_read;
+      }
+
+      return &systemace_dev;
+}
+
+/*
+ * This function is called (by dereferencing the block_read pointer in
+ * the dev_desc) to read blocks of data. The return value is the
+ * number of blocks read. A zero return indicates an error.
+ */
+static unsigned long systemace_read(int dev,
+				    unsigned long start,
+				    unsigned long blkcnt,
+				    unsigned long *buffer)
+{
+      unsigned val;
+      int retry;
+      unsigned char*dp = (unsigned char*)buffer;
+
+      if (get_cf_lock() < 0) {
+	    unsigned status = ace_readw(0x04);
+
+	      /* If CFDETECT is false, card is missing. */
+	    if (! (status&0x0010)) {
+		  printf("** CompactFlash card not present. **\n");
+		  return 0;
+	    }
+
+	    printf("**** ACE locked away from me (STATUSREG=%04x)\n", status);
+	    return 0;
+      }
+
+      retry = 2000;
+      for (;;) {
+	    unsigned val = ace_readw(0x04);
+
+	      /* If CFDETECT is false, card is missing. */
+	    if (! (val & 0x0010)) {
+		  printf("**** ACE CompactFlash not found.\n");
+		  release_cf_lock();
+		  return 0;
+	    }
+
+	      /* If RDYFORCMD, then we are ready to go. */
+	    if (val & 0x0100)
+		  break;
+
+	    if (retry < 0) {
+		  printf("**** SystemACE not ready.\n");
+		  release_cf_lock();
+		  return 0;
+	    }
+
+	    udelay(1000);
+	    retry -= 1;
+      }
+
+	/* Write LBA block address */
+      ace_writew(start & 0xffff, 0x10);
+      start >>= 16;
+      ace_writew(start & 0xff, 0x12);
+
+	/* Write sector count | ReadMemCardData. */
+      ace_writew(blkcnt | 0x0300, 0x14);
+
+	/* CONTROLREG = CFGRESET|LOCKREQ */
+      ace_writew(0x0082, 0x18);
+
+      retry = blkcnt * 16;
+      while (retry > 0) {
+	    int idx;
+
+	      /* Wait for buffer to become ready. */
+	    while (! (ace_readw(0x04) & 0x0020)) {
+		  udelay(1000);
+	    }
+
+	      /* Read 16 words of 2bytes from the sector buffer. */
+	    for (idx = 0 ;  idx < 16 ;  idx += 1) {
+		  unsigned short val = ace_readw(0x40);
+		  *dp++ = val & 0xff;
+		  *dp++ = (val>>8) & 0xff;
+	    }
+
+	    retry -= 1;
+      }
+
+      release_cf_lock();
+
+      return blkcnt;
+}
+
+
+#endif
+
+/*
+ * $Log: $
+ */
+
diff --git a/common/cmd_fat.c b/common/cmd_fat.c
index 7bd4b51950..150a2ea67c 100644
--- a/common/cmd_fat.c
+++ b/common/cmd_fat.c
@@ -62,6 +62,12 @@ block_dev_desc_t *get_dev (char* ifname, int dev)
 		extern block_dev_desc_t *  mmc_get_dev(int dev);
 		return(mmc_get_dev(dev));
 	}
+#endif
+#if defined(CONFIG_SYSTEMACE)
+	if (strcmp(ifname,"ace")==0) {
+		extern block_dev_desc_t *  systemace_get_dev(int dev);
+		return(systemace_get_dev(dev));
+	}
 #endif
 	return NULL;
 }
diff --git a/common/cmd_load.c b/common/cmd_load.c
index 5622452ccb..702cab6dc6 100644
--- a/common/cmd_load.c
+++ b/common/cmd_load.c
@@ -192,7 +192,7 @@ load_serial (ulong offset)
 			    "## Total Size      = 0x%08lX = %ld Bytes\n",
 			    start_addr, end_addr, size, size
 		    );
-		    flush_cache (addr, size);
+		    flush_cache (start_addr, size);
 		    sprintf(buf, "%lX", size);
 		    setenv("filesize", buf);
 		    return (addr);
diff --git a/cpu/mpc85xx/tsec.c b/cpu/mpc85xx/tsec.c
index 4a5731e6ae..e9ca34019d 100644
--- a/cpu/mpc85xx/tsec.c
+++ b/cpu/mpc85xx/tsec.c
@@ -49,9 +49,9 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length);
 static int tsec_recv(struct eth_device* dev);
 static int tsec_init(struct eth_device* dev, bd_t * bd);
 static void tsec_halt(struct eth_device* dev);
-static void init_registers(tsec_t *regs);
-static void startup_tsec(tsec_t *regs);
-static void init_phy(tsec_t *regs);
+static void init_registers(volatile tsec_t *regs);
+static void startup_tsec(volatile tsec_t *regs);
+static void init_phy(volatile tsec_t *regs);
 
 /* Initialize device structure.  returns 0 on failure, 1 on
  * success */
@@ -89,12 +89,12 @@ int tsec_initialize(bd_t *bis)
  * and brings the interface up */
 int tsec_init(struct eth_device* dev, bd_t * bd)
 {
-	tsec_t *regs;
+	volatile tsec_t *regs;
 	uint tempval;
 	char tmpbuf[MAC_ADDR_LEN];
 	int i;
 
-	regs = (tsec_t *)(TSEC_BASE_ADDR);
+	regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
 
 	/* Make sure the controller is stopped */
 	tsec_halt(dev);
@@ -146,7 +146,7 @@ int tsec_init(struct eth_device* dev, bd_t * bd)
 /* and then passes those bits on to the variable specified in */
 /* value */
 /* Before it does the read, it needs to clear the command field */
-uint read_phy_reg(tsec_t *regbase, uint phyid, uint offset)
+uint read_phy_reg(volatile tsec_t *regbase, uint phyid, uint offset)
 {
 	uint value;
 
@@ -173,7 +173,7 @@ uint read_phy_reg(tsec_t *regbase, uint phyid, uint offset)
 }
 
 /* Setup the PHY */
-static void init_phy(tsec_t *regs)
+static void init_phy(volatile tsec_t *regs)
 {
 	uint testval;
 	unsigned int timeout = TSEC_TIMEOUT;
@@ -280,7 +280,7 @@ static void init_phy(tsec_t *regs)
 }
 
 
-static void init_registers(tsec_t *regs)
+static void init_registers(volatile tsec_t *regs)
 {
 	/* Clear IEVENT */
 	regs->ievent = IEVENT_INIT_CLEAR;
@@ -322,7 +322,7 @@ static void init_registers(tsec_t *regs)
 
 }
 
-static void startup_tsec(tsec_t *regs)
+static void startup_tsec(volatile tsec_t *regs)
 {
 	int i;
 
@@ -363,7 +363,7 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
 {
 	int i;
 	int result = 0;
-	tsec_t * regs = (tsec_t *)(TSEC_BASE_ADDR);
+	volatile tsec_t * regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
 
 	/* Find an empty buffer descriptor */
 	for(i=0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
@@ -397,7 +397,7 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
 static int tsec_recv(struct eth_device* dev)
 {
 	int length;
-	tsec_t *regs = (tsec_t *)(TSEC_BASE_ADDR);
+	volatile tsec_t *regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
 
 	while(!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) {
 
@@ -428,7 +428,7 @@ static int tsec_recv(struct eth_device* dev)
 
 static void tsec_halt(struct eth_device* dev)
 {
-	tsec_t *regs = (tsec_t *)(TSEC_BASE_ADDR);
+	volatile tsec_t *regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
 
 	regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
 	regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS);
diff --git a/cpu/ppc4xx/440gx_enet.c b/cpu/ppc4xx/440gx_enet.c
index 45020856df..c8259b162f 100644
--- a/cpu/ppc4xx/440gx_enet.c
+++ b/cpu/ppc4xx/440gx_enet.c
@@ -1074,16 +1074,16 @@ int ppc_440x_eth_initialize (bd_t * bis)
 		/* Allocate device structure */
 		dev = (struct eth_device *) malloc (sizeof (*dev));
 		if (dev == NULL) {
-			printf (__FUNCTION__
-				": Cannot allocate eth_device %d\n", eth_num);
+			printf ("ppc_440x_eth_initialize: "
+				"Cannot allocate eth_device %d\n", eth_num);
 			return (-1);
 		}
 
 		/* Allocate our private use data */
 		hw = (EMAC_440GX_HW_PST) malloc (sizeof (*hw));
 		if (hw == NULL) {
-			printf (__FUNCTION__
-				": Cannot allocate private hw data for eth_device %d",
+			printf ("ppc_440x_eth_initialize: "
+				"Cannot allocate private hw data for eth_device %d",
 				eth_num);
 			free (dev);
 			return (-1);
diff --git a/disk/part.c b/disk/part.c
index d2b5f6e93f..0acc5c206c 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -36,7 +36,7 @@
 #if ((CONFIG_COMMANDS & CFG_CMD_IDE)	|| \
      (CONFIG_COMMANDS & CFG_CMD_SCSI)	|| \
      (CONFIG_COMMANDS & CFG_CMD_USB)	|| \
-     (CONFIG_MMC)			)
+     (CONFIG_MMC) || (CONFIG_SYSTEMACE) )
 
 /* ------------------------------------------------------------------------- */
 /*
@@ -107,7 +107,8 @@ void dev_print (block_dev_desc_t *dev_desc)
 
 #if ((CONFIG_COMMANDS & CFG_CMD_IDE)	|| \
      (CONFIG_COMMANDS & CFG_CMD_SCSI)	|| \
-     (CONFIG_COMMANDS & CFG_CMD_USB)	)
+     (CONFIG_COMMANDS & CFG_CMD_USB)	|| \
+     defined(CONFIG_SYSTEMACE)          )
 
 #if defined(CONFIG_MAC_PARTITION) || \
     defined(CONFIG_DOS_PARTITION) || \
diff --git a/disk/part_dos.c b/disk/part_dos.c
index d05f6509f8..49d4fc1115 100644
--- a/disk/part_dos.c
+++ b/disk/part_dos.c
@@ -37,7 +37,8 @@
 
 #if ((CONFIG_COMMANDS & CFG_CMD_IDE)	|| \
      (CONFIG_COMMANDS & CFG_CMD_SCSI)	|| \
-     (CONFIG_COMMANDS & CFG_CMD_USB)	) && defined(CONFIG_DOS_PARTITION)
+     (CONFIG_COMMANDS & CFG_CMD_USB)	|| \
+     (CONFIG_SYSTEMACE)) && defined(CONFIG_DOS_PARTITION)
 
 /* Convert char[4] in little endian format to the host format integer
  */
diff --git a/include/asm-ppc/u-boot.h b/include/asm-ppc/u-boot.h
index c73b53f1f7..e9d9dc55b4 100644
--- a/include/asm-ppc/u-boot.h
+++ b/include/asm-ppc/u-boot.h
@@ -97,7 +97,7 @@ typedef struct bd_info {
 #if defined(CONFIG_440_GX)
 	unsigned char   bi_enet3addr[6];
 #endif
-#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
+#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || defined (CONFIG_440_GX)
 	unsigned int	bi_opbfreq;		/* OPB clock in Hz */
 	int		bi_iic_fast[2];		/* Use fast i2c mode */
 #endif
diff --git a/include/bmp_logo.h b/include/bmp_logo.h
index 9c924b8592..265f744d0e 100644
--- a/include/bmp_logo.h
+++ b/include/bmp_logo.h
@@ -18,7 +18,7 @@ unsigned short bmp_logo_palette[] = {
 	0x0343,  0x0454,  0x0565,  0x0565,  0x0676,  0x0787,  0x0898,  0x0999,
 	0x0AAA,  0x0ABA,  0x0BCB,  0x0CCC,  0x0DDD,  0x0EEE,  0x0FFF,  0x0FB3,
 	0x0FB4,  0x0FC4,  0x0FC5,  0x0FC6,  0x0FD7,  0x0FD8,  0x0FD9,  0x0FDA,
-	0x0FEA,  0x0FEB,  0x0FEC,  0x0FFD,  0x0FFE,  0x0FFF,  0x0FFF,
+	0x0FEA,  0x0FEB,  0x0FEC,  0x0FFD,  0x0FFE,  0x0FFF,  0x0FFF,  
 };
 
 unsigned char bmp_logo_bitmap[] = {
diff --git a/include/systemace.h b/include/systemace.h
new file mode 100644
index 0000000000..be43d468d2
--- /dev/null
+++ b/include/systemace.h
@@ -0,0 +1,31 @@
+#ifndef __SYSTEMACE_H
+#define __SYSTEMACE_H
+/*
+ * Copyright (c) 2004 Picture Elements, Inc.
+ *    Stephen Williams (steve@picturel.com)
+ *
+ *    This source code is free software; you can redistribute it
+ *    and/or modify it in source code form 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.
+ *
+ *    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
+ */
+#ident "$Id:$"
+
+#ifdef CONFIG_SYSTEMACE
+
+# include  <part.h>
+
+block_dev_desc_t *  systemace_get_dev(int dev);
+
+#endif	/* CONFIG_SYSTEMACE */
+#endif	/* __SYSTEMACE_H */
diff --git a/include/usb.h b/include/usb.h
index 0008a9a745..074e0f169c 100644
--- a/include/usb.h
+++ b/include/usb.h
@@ -234,15 +234,18 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
 #define swap_32(x) ((unsigned long)(x))
 #else
 #define swap_16(x) \
-	((unsigned short)( \
-		(((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \
-		(((unsigned short)(x) & (unsigned short)0xff00U) >> 8) ))
+	({ unsigned short x_ = (unsigned short)x; \
+	 (unsigned short)( \
+		((x_ & 0x00FFU) << 8) | ((x_ & 0xFF00U) >> 8) ); \
+	})
 #define swap_32(x) \
-	((unsigned long)( \
-		(((unsigned long)(x) & (unsigned long)0x000000ffUL) << 24) | \
-		(((unsigned long)(x) & (unsigned long)0x0000ff00UL) <<  8) | \
-		(((unsigned long)(x) & (unsigned long)0x00ff0000UL) >>  8) | \
-		(((unsigned long)(x) & (unsigned long)0xff000000UL) >> 24) ))
+	({ unsigned long x_ = (unsigned long)x; \
+	 (unsigned long)( \
+		((x_ & 0x000000FFUL) << 24) | \
+		((x_ & 0x0000FF00UL) <<  8) | \
+		((x_ & 0x00FF0000UL) >>  8) | \
+		((x_ & 0xFF000000UL) >> 24) ); \
+	})
 #endif /* LITTLEENDIAN */
 
 /*
diff --git a/net/tftp.c b/net/tftp.c
index d1a30d6643..3ba15ab625 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -38,15 +38,21 @@
 static int	TftpServerPort;		/* The UDP port at their end		*/
 static int	TftpOurPort;		/* The UDP port at our end		*/
 static int	TftpTimeoutCount;
-static unsigned	TftpBlock;
-static unsigned	TftpLastBlock;
+static ulong	TftpBlock;		/* packet sequence number		*/
+static ulong	TftpLastBlock;		/* last packet sequence number received */
+static ulong	TftpBlockWrap;		/* count of sequence number wraparounds */
+static ulong	TftpBlockWrapOffset;	/* memory offset due to wrapping	*/
 static int	TftpState;
+
 #define STATE_RRQ	1
 #define STATE_DATA	2
 #define STATE_TOO_LARGE	3
 #define STATE_BAD_MAGIC	4
 #define STATE_OACK	5
 
+#define TFTP_BLOCK_SIZE		512		    /* default TFTP block size	*/
+#define TFTP_SEQUENCE_SIZE	((ulong)(1<<16))    /* sequence number is 16 bit */
+
 #define DEFAULT_NAME_LEN	(8 + 4 + 1)
 static char default_filename[DEFAULT_NAME_LEN];
 static char *tftp_filename;
@@ -58,7 +64,8 @@ extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
 static __inline__ void
 store_block (unsigned block, uchar * src, unsigned len)
 {
-	ulong offset = block * 512, newsize = offset + len;
+	ulong offset = block * TFTP_BLOCK_SIZE + TftpBlockWrapOffset;
+	ulong newsize = offset + len;
 #ifdef CFG_DIRECT_FLASH_TFTP
 	int i, rc = 0;
 
@@ -196,10 +203,23 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
 			return;
 		len -= 2;
 		TftpBlock = ntohs(*(ushort *)pkt);
-		if (((TftpBlock - 1) % 10) == 0) {
-			putc ('#');
-		} else if ((TftpBlock % (10 * HASHES_PER_LINE)) == 0) {
-			puts ("\n\t ");
+
+		/*
+                 * RFC1350 specifies that the first data packet will
+                 * have sequence number 1. If we receive a sequence
+                 * number of 0 this means that there was a wrap
+                 * around of the (16 bit) counter.
+		 */
+		if (TftpBlock == 0) {
+			TftpBlockWrap++;
+			TftpBlockWrapOffset += TFTP_BLOCK_SIZE * TFTP_SEQUENCE_SIZE;
+			printf ("\n\t %lu MB reveived\n\t ", TftpBlockWrapOffset>>20);
+		} else {
+			if (((TftpBlock - 1) % 10) == 0) {
+				putc ('#');
+			} else if ((TftpBlock % (10 * HASHES_PER_LINE)) == 0) {
+				puts ("\n\t ");
+			}
 		}
 
 #ifdef ET_DEBUG
@@ -209,13 +229,16 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
 #endif
 
 		if (TftpState == STATE_RRQ || TftpState == STATE_OACK) {
+			/* first block received */
 			TftpState = STATE_DATA;
 			TftpServerPort = src;
 			TftpLastBlock = 0;
+			TftpBlockWrap = 0;
+			TftpBlockWrapOffset = 0;
 
 			if (TftpBlock != 1) {	/* Assertion */
 				printf ("\nTFTP error: "
-					"First block is not block 1 (%d)\n"
+					"First block is not block 1 (%ld)\n"
 					"Starting again\n\n",
 					TftpBlock);
 				NetStartAgain ();
@@ -241,7 +264,7 @@ TftpHandler (uchar * pkt, unsigned dest, unsigned src, unsigned len)
 		 */
 		TftpSend ();
 
-		if (len < 512) {
+		if (len < TFTP_BLOCK_SIZE) {
 			/*
 			 *	We received the whole thing.  Try to
 			 *	run it.
diff --git a/rtc/ds1306.c b/rtc/ds1306.c
index 4d1115ee4b..e143bf7a3d 100644
--- a/rtc/ds1306.c
+++ b/rtc/ds1306.c
@@ -75,8 +75,6 @@ static unsigned char bcd2bin (unsigned char c);
 /* ************************************************************************* */
 #ifdef CONFIG_SXNI855T		/* !!! SHOULD BE CHANGED TO NEW CODE !!! */
 
-static unsigned char rtc_read (unsigned char reg);
-static void rtc_write (unsigned char reg, unsigned char val);
 static void soft_spi_send (unsigned char n);
 static unsigned char soft_spi_read (void);
 static void init_spi (void);
@@ -302,6 +300,9 @@ void rtc_reset (void)
 #else  /* not CONFIG_SXNI855T */
 /* ************************************************************************* */
 
+static unsigned char rtc_read (unsigned char reg);
+static void rtc_write (unsigned char reg, unsigned char val);
+
 /* read clock time from DS1306 and return it in *tmp */
 void rtc_get (struct rtc_time *tmp)
 {