Add support for ymodem protocol (loady command).

Patch by Stefano Babic, 29 Mar 2006

common/Makefile

@@ -51,7 +51,7 @@ COBJS	= main.o ACEX1K.o altera.o bedbug.o circbuf.o \
 	  memsize.o miiphybb.o miiphyutil.o \
 	  s_record.o serial.o soft_i2c.o soft_spi.o spartan2.o spartan3.o \
 	  usb.o usb_kbd.o usb_storage.o \
-	  virtex2.o xilinx.o
+	  virtex2.o xilinx.o crc16.o xyzModem.o
 
 OBJS	= $(AOBJS) $(COBJS)
 

common/cmd_load.c

@@ -29,10 +29,11 @@
 #include <s_record.h>
 #include <net.h>
 #include <exports.h>
-
+#include <xyzModem.h>
 
 #if (CONFIG_COMMANDS & CFG_CMD_LOADS)
 static ulong load_serial (ulong offset);
+static ulong load_serial_ymodem (ulong offset);
 static int read_record (char *buf, ulong len);
 # if (CONFIG_COMMANDS & CFG_CMD_SAVES)
 static int save_serial (ulong offset, ulong size);
@@ -475,21 +476,31 @@ int do_load_serial_bin (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 		}
 	}
 
-	printf ("## Ready for binary (kermit) download "
-		"to 0x%08lX at %d bps...\n",
-		offset,
-		load_baudrate);
-	addr = load_serial_bin (offset);
+	if (strcmp(argv[0],"loady")==0) {
+		printf ("## Ready for binary (ymodem) download "
+			"to 0x%08lX at %d bps...\n",
+			offset,
+			load_baudrate);
+
+		addr = load_serial_ymodem (offset);
 
-	if (addr == ~0) {
-		load_addr = 0;
-		printf ("## Binary (kermit) download aborted\n");
-		rcode = 1;
 	} else {
-		printf ("## Start Addr      = 0x%08lX\n", addr);
-		load_addr = addr;
-	}
 
+		printf ("## Ready for binary (kermit) download "
+			"to 0x%08lX at %d bps...\n",
+			offset,
+			load_baudrate);
+		addr = load_serial_bin (offset);
+
+		if (addr == ~0) {
+			load_addr = 0;
+			printf ("## Binary (kermit) download aborted\n");
+			rcode = 1;
+		} else {
+			printf ("## Start Addr      = 0x%08lX\n", addr);
+			load_addr = addr;
+		}
+	}
 	if (load_baudrate != current_baudrate) {
 		printf ("## Switch baudrate to %d bps and press ESC ...\n",
 			current_baudrate);
@@ -963,6 +974,66 @@ START:
 	}
 	return ((ulong) os_data_addr - (ulong) bin_start_address);
 }
+
+static int getcxmodem(void) {
+	if (tstc()) 
+		return (getc());
+	return -1;
+}
+static ulong load_serial_ymodem (ulong offset)
+{
+	int size;
+	char buf[32];
+	int err;
+	int res;
+	connection_info_t info;
+	char 	ymodemBuf[1024];
+	ulong	store_addr = ~0;
+	ulong	addr = 0;
+
+	size=0;	
+	info.mode=xyzModem_ymodem;
+	res=xyzModem_stream_open(&info, &err);
+	if (!res) {
+	   
+	   while ((res=xyzModem_stream_read(ymodemBuf, 1024, &err)) > 0 ){
+		    store_addr = addr + offset;
+		    size+=res;
+		    addr+=res; 
+#ifndef CFG_NO_FLASH
+		    if (addr2info(store_addr)) {
+			int rc;
+
+			rc = flash_write((char *)ymodemBuf,store_addr,res);
+			if (rc != 0) {
+				flash_perror (rc);
+				return (~0);
+			}
+		    } else
+#endif
+		    {
+			memcpy ((char *)(store_addr), ymodemBuf, res);
+		    }
+	
+	   }
+	} 
+	else {
+		printf ("%s\n",xyzModem_error(err));
+	}
+	
+	xyzModem_stream_close(&err);
+  	xyzModem_stream_terminate(false,&getcxmodem);	
+
+
+	flush_cache (offset, size);
+
+	printf("## Total Size      = 0x%08x = %d Bytes\n", size, size);
+	sprintf(buf, "%X", size);
+	setenv("filesize", buf);
+
+	return offset;
+}
+
 #endif	/* CFG_CMD_LOADB */
 
 /* -------------------------------------------------------------------- */
@@ -1022,6 +1093,14 @@ U_BOOT_CMD(
 	" with offset 'off' and baudrate 'baud'\n"
 );
 
+U_BOOT_CMD(
+	loady, 3, 0,	do_load_serial_bin,
+	"loady   - load binary file over serial line (ymodem mode)\n",
+	"[ off ] [ baud ]\n"
+	"    - load binary file over serial line"
+	" with offset 'off' and baudrate 'baud'\n"
+);
+
 #endif	/* CFG_CMD_LOADB */
 
 /* -------------------------------------------------------------------- */

common/crc16.c

+//==========================================================================
+//
+//      crc16.c
+//
+//      16 bit CRC with polynomial x^16+x^12+x^5+1
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+// Copyright (C) 2002 Gary Thomas
+//
+// eCos 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 or (at your option) any later version.
+//
+// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas,asl
+// Date:         2001-01-31
+// Purpose:      
+// Description:  
+//              
+// This code is part of eCos (tm).
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#include "crc.h"
+
+// Table of CRC constants - implements x^16+x^12+x^5+1
+static const uint16_t crc16_tab[] = {
+    0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, 
+    0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, 
+    0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6, 
+    0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, 
+    0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485, 
+    0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d, 
+    0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, 
+    0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc, 
+    0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823, 
+    0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, 
+    0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, 
+    0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, 
+    0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, 
+    0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49, 
+    0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70, 
+    0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, 
+    0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, 
+    0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067, 
+    0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, 
+    0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256, 
+    0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, 
+    0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 
+    0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c, 
+    0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634, 
+    0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, 
+    0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3, 
+    0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a, 
+    0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92, 
+    0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9, 
+    0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1, 
+    0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, 
+    0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0, 
+};
+
+uint16_t
+cyg_crc16(unsigned char *buf, int len)
+{
+    int i;
+    uint16_t cksum;
+
+    cksum = 0;
+    for (i = 0;  i < len;  i++) {
+        cksum = crc16_tab[((cksum>>8) ^ *buf++) & 0xFF] ^ (cksum << 8);
+    }
+    return cksum;
+}
+

include/crc.h

+//==========================================================================
+//
+//      crc.h
+//
+//      Interface for the CRC algorithms.
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 2002 Andrew Lunn
+//
+// eCos 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 or (at your option) any later version.
+//
+// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    Andrew Lunn
+// Contributors: Andrew Lunn
+// Date:         2002-08-06
+// Purpose:      
+// Description:  
+//              
+// This code is part of eCos (tm).
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#ifndef _SERVICES_CRC_CRC_H_
+#define _SERVICES_CRC_CRC_H_
+
+#include <linux/types.h>
+
+#ifndef __externC
+# ifdef __cplusplus
+#  define __externC extern "C"
+# else
+#  define __externC extern
+# endif
+#endif
+
+// Compute a CRC, using the POSIX 1003 definition
+extern uint32_t 
+cyg_posix_crc32(unsigned char *s, int len);
+
+// Gary S. Brown's 32 bit CRC
+
+extern uint32_t 
+cyg_crc32(unsigned char *s, int len);
+
+// Gary S. Brown's 32 bit CRC, but accumulate the result from a
+// previous CRC calculation
+
+extern uint32_t 
+cyg_crc32_accumulate(uint32_t crc, unsigned char *s, int len);
+
+// Ethernet FCS Algorithm
+
+extern uint32_t 
+cyg_ether_crc32(unsigned char *s, int len);
+
+// Ethernet FCS algorithm, but accumulate the result from a previous
+// CRC calculation.
+
+extern uint32_t 
+cyg_ether_crc32_accumulate(uint32_t crc, unsigned char *s, int len);
+
+// 16 bit CRC with polynomial x^16+x^12+x^5+1
+
+extern uint16_t cyg_crc16(unsigned char *s, int len);
+
+#endif // _SERVICES_CRC_CRC_H_
+
+
+

include/xyzModem.h

+//==========================================================================
+//
+//      xyzModem.h
+//
+//      RedBoot stream handler for xyzModem protocol
+//
+//==========================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+// Copyright (C) 2002 Gary Thomas
+//
+// eCos 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 or (at your option) any later version.
+//
+// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2000-07-14
+// Purpose:      
+// Description:  
+//              
+// This code is part of RedBoot (tm).
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+#ifndef _XYZMODEM_H_
+#define _XYZMODEM_H_
+
+#define xyzModem_xmodem 1
+#define xyzModem_ymodem 2
+// Don't define this until the protocol support is in place
+//#define xyzModem_zmodem 3
+
+#define xyzModem_access   -1
+#define xyzModem_noZmodem -2
+#define xyzModem_timeout  -3
+#define xyzModem_eof      -4
+#define xyzModem_cancel   -5
+#define xyzModem_frame    -6
+#define xyzModem_cksum    -7
+#define xyzModem_sequence -8
+
+#define xyzModem_close 1
+#define xyzModem_abort 2
+
+
+#ifdef REDBOOT
+extern getc_io_funcs_t xyzModem_io;
+#else
+#define CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT
+#define CYGACC_CALL_IF_SET_CONSOLE_COMM(x)
+
+#define diag_vprintf vprintf
+#define diag_printf printf
+#define diag_vsprintf vsprintf
+
+#define CYGACC_CALL_IF_DELAY_US(x) udelay(x)
+
+typedef struct {
+    char *filename;
+    int   mode;
+    int   chan;
+#ifdef CYGPKG_REDBOOT_NETWORKING
+    struct sockaddr_in *server;
+#endif
+} connection_info_t;
+
+typedef unsigned int bool;
+
+#define false 0
+#define true 1
+
+#endif
+
+
+int   xyzModem_stream_open(connection_info_t *info, int *err);    
+void  xyzModem_stream_close(int *err);    
+void  xyzModem_stream_terminate(bool method, int (*getc)(void));    
+int   xyzModem_stream_read(char *buf, int size, int *err);    
+char *xyzModem_error(int err);
+
+#endif // _XYZMODEM_H_