tree moved to a better location

1 files changed, 0 insertions, 555 deletions

diff --git a/x-loader/common/cmd_load.c b/x-loader/common/cmd_load.c
deleted file mode 100644
index 122b797..0000000
--- a/x-loader/common/cmd_load.c
+++ /dev/null
@@ -1,555 +0,0 @@
-/*
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
- *
- * 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
- */
-
-/*
- * Serial up- and download support
- */
-#include <common.h>
-
-#define putc serial_putc
-#define tstc serial_tstc
-
-/*******************************************************
- * Routine: delay
- * Description: spinning delay to use before udelay works
- ******************************************************/
-static inline void delay(unsigned long loops)
-{
-	__asm__ volatile ("1:\n" "subs %0, %1, #1\n"
-			  "bne 1b":"=r" (loops):"0"(loops));
-}
-static inline void udelay(unsigned long us)
-{
-	delay(us * 200); /* approximate */
-}
-
-#ifdef CFG_CMD_FAT
-extern void * memcpy(void * dest,const void *src,size_t count);
-#else
-void * memcpy(void * dest,const void *src,size_t count)
-{
-	char *tmp = (char *) dest, *s = (char *) src;
-
-	while (count--)
-		*tmp++ = *s++;
-
-	return dest;
-}
-#endif
-
-/* -------------------------------------------------------------------- */
-
-#define XON_CHAR        17
-#define XOFF_CHAR       19
-#define START_CHAR      0x01
-#define ETX_CHAR	0x03
-#define END_CHAR        0x0D
-#define SPACE           0x20
-#define K_ESCAPE        0x23
-#define SEND_TYPE       'S'
-#define DATA_TYPE       'D'
-#define ACK_TYPE        'Y'
-#define NACK_TYPE       'N'
-#define BREAK_TYPE      'B'
-#define tochar(x) ((char) (((x) + SPACE) & 0xff))
-#define untochar(x) ((int) (((x) - SPACE) & 0xff))
-
-extern int os_data_count;
-extern int os_data_header[8];
-
-static void set_kerm_bin_mode(unsigned long *);
-static int k_recv(void);
-static ulong load_serial_bin (ulong offset);
-
-extern int lowlevel_monitor (void);
-
-char his_eol;        /* character he needs at end of packet */
-int  his_pad_count;  /* number of pad chars he needs */
-char his_pad_char;   /* pad chars he needs */
-char his_quote;      /* quote chars he'll use */
-
-int do_load_serial_bin (ulong offset, int baudrate)
-{
-	ulong addr;
-	int rcode = 0;
-
-	printf ("## Ready for binary (kermit) download "
-		"to 0x%08lX at %d bps. Press 'M' to break into low level monitor.\n",
-		offset,
-		baudrate);
-	addr = load_serial_bin (offset);
-	if (addr == ~0) {
-		printf ("## Binary (kermit) download aborted\n");
-		rcode = 1;
-	} else {
-		printf ("## Start Addr      = 0x%08lX\n", addr);
-	}
-
-	return rcode;
-}
-
-
-static ulong load_serial_bin (ulong offset)
-{
-	int size, i;
-
-	set_kerm_bin_mode ((ulong *) offset);
-	size = k_recv ();
-
-	/*
-	 * Gather any trailing characters (for instance, the ^D which
-	 * is sent by 'cu' after sending a file), and give the
-	 * box some time (100 * 1 ms)
-	 */
-	for (i=0; i<100; ++i) {
-		if (tstc()) {
-			(void) getc();
-		}
-		udelay(1000);
-	}
-
-	printf("## Total Size      = 0x%08x = %d Bytes\n", size, size);
-
-	return offset;
-}
-
-void send_pad (void)
-{
-	int count = his_pad_count;
-
-	while (count-- > 0)
-		putc (his_pad_char);
-}
-
-/* converts escaped kermit char to binary char */
-char ktrans (char in)
-{
-	if ((in & 0x60) == 0x40) {
-		return (char) (in & ~0x40);
-	} else if ((in & 0x7f) == 0x3f) {
-		return (char) (in | 0x40);
-	} else
-		return in;
-}
-
-int chk1 (char *buffer)
-{
-	int total = 0;
-
-	while (*buffer) {
-		total += *buffer++;
-	}
-	return (int) ((total + ((total >> 6) & 0x03)) & 0x3f);
-}
-
-void s1_sendpacket (char *packet)
-{
-	send_pad ();
-	while (*packet) {
-		putc (*packet++);
-	}
-}
-
-static char a_b[24];
-void send_ack (int n)
-{
-	a_b[0] = START_CHAR;
-	a_b[1] = tochar (3);
-	a_b[2] = tochar (n);
-	a_b[3] = ACK_TYPE;
-	a_b[4] = '\0';
-	a_b[4] = tochar (chk1 (&a_b[1]));
-	a_b[5] = his_eol;
-	a_b[6] = '\0';
-	s1_sendpacket (a_b);
-}
-
-void send_nack (int n)
-{
-	a_b[0] = START_CHAR;
-	a_b[1] = tochar (3);
-	a_b[2] = tochar (n);
-	a_b[3] = NACK_TYPE;
-	a_b[4] = '\0';
-	a_b[4] = tochar (chk1 (&a_b[1]));
-	a_b[5] = his_eol;
-	a_b[6] = '\0';
-	s1_sendpacket (a_b);
-}
-
-
-/* os_data_* takes an OS Open image and puts it into memory, and
-   puts the boot header in an array named os_data_header
-
-   if image is binary, no header is stored in os_data_header.
-*/
-void (*os_data_init) (void);
-void (*os_data_char) (char new_char);
-static int os_data_state, os_data_state_saved;
-int os_data_count;
-static int os_data_count_saved;
-static char *os_data_addr, *os_data_addr_saved;
-static char *bin_start_address;
-int os_data_header[8];
-static void bin_data_init (void)
-{
-	os_data_state = 0;
-	os_data_count = 0;
-	os_data_addr = bin_start_address;
-}
-static void os_data_save (void)
-{
-	os_data_state_saved = os_data_state;
-	os_data_count_saved = os_data_count;
-	os_data_addr_saved = os_data_addr;
-}
-static void os_data_restore (void)
-{
-	os_data_state = os_data_state_saved;
-	os_data_count = os_data_count_saved;
-	os_data_addr = os_data_addr_saved;
-}
-static void bin_data_char (char new_char)
-{
-	switch (os_data_state) {
-	case 0:					/* data */
-		*os_data_addr++ = new_char;
-		--os_data_count;
-		break;
-	}
-}
-static void set_kerm_bin_mode (unsigned long *addr)
-{
-	bin_start_address = (char *) addr;
-	os_data_init = bin_data_init;
-	os_data_char = bin_data_char;
-}
-
-
-/* k_data_* simply handles the kermit escape translations */
-static int k_data_escape, k_data_escape_saved;
-void k_data_init (void)
-{
-	k_data_escape = 0;
-	os_data_init ();
-}
-void k_data_save (void)
-{
-	k_data_escape_saved = k_data_escape;
-	os_data_save ();
-}
-void k_data_restore (void)
-{
-	k_data_escape = k_data_escape_saved;
-	os_data_restore ();
-}
-void k_data_char (char new_char)
-{
-	if (k_data_escape) {
-		/* last char was escape - translate this character */
-		os_data_char (ktrans (new_char));
-		k_data_escape = 0;
-	} else {
-		if (new_char == his_quote) {
-			/* this char is escape - remember */
-			k_data_escape = 1;
-		} else {
-			/* otherwise send this char as-is */
-			os_data_char (new_char);
-		}
-	}
-}
-
-#define SEND_DATA_SIZE  20
-char send_parms[SEND_DATA_SIZE];
-char *send_ptr;
-
-/* handle_send_packet interprits the protocol info and builds and
-   sends an appropriate ack for what we can do */
-void handle_send_packet (int n)
-{
-	int length = 3;
-	int bytes;
-
-	/* initialize some protocol parameters */
-	his_eol = END_CHAR;		/* default end of line character */
-	his_pad_count = 0;
-	his_pad_char = '\0';
-	his_quote = K_ESCAPE;
-
-	/* ignore last character if it filled the buffer */
-	if (send_ptr == &send_parms[SEND_DATA_SIZE - 1])
-		--send_ptr;
-	bytes = send_ptr - send_parms;	/* how many bytes we'll process */
-	do {
-		if (bytes-- <= 0)
-			break;
-		/* handle MAXL - max length */
-		/* ignore what he says - most I'll take (here) is 94 */
-		a_b[++length] = tochar (94);
-		if (bytes-- <= 0)
-			break;
-		/* handle TIME - time you should wait for my packets */
-		/* ignore what he says - don't wait for my ack longer than 1 second */
-		a_b[++length] = tochar (1);
-		if (bytes-- <= 0)
-			break;
-		/* handle NPAD - number of pad chars I need */
-		/* remember what he says - I need none */
-		his_pad_count = untochar (send_parms[2]);
-		a_b[++length] = tochar (0);
-		if (bytes-- <= 0)
-			break;
-		/* handle PADC - pad chars I need */
-		/* remember what he says - I need none */
-		his_pad_char = ktrans (send_parms[3]);
-		a_b[++length] = 0x40;	/* He should ignore this */
-		if (bytes-- <= 0)
-			break;
-		/* handle EOL - end of line he needs */
-		/* remember what he says - I need CR */
-		his_eol = untochar (send_parms[4]);
-		a_b[++length] = tochar (END_CHAR);
-		if (bytes-- <= 0)
-			break;
-		/* handle QCTL - quote control char he'll use */
-		/* remember what he says - I'll use '#' */
-		his_quote = send_parms[5];
-		a_b[++length] = '#';
-		if (bytes-- <= 0)
-			break;
-		/* handle QBIN - 8-th bit prefixing */
-		/* ignore what he says - I refuse */
-		a_b[++length] = 'N';
-		if (bytes-- <= 0)
-			break;
-		/* handle CHKT - the clock check type */
-		/* ignore what he says - I do type 1 (for now) */
-		a_b[++length] = '1';
-		if (bytes-- <= 0)
-			break;
-		/* handle REPT - the repeat prefix */
-		/* ignore what he says - I refuse (for now) */
-		a_b[++length] = 'N';
-		if (bytes-- <= 0)
-			break;
-		/* handle CAPAS - the capabilities mask */
-		/* ignore what he says - I only do long packets - I don't do windows */
-		a_b[++length] = tochar (2);	/* only long packets */
-		a_b[++length] = tochar (0);	/* no windows */
-		a_b[++length] = tochar (94);	/* large packet msb */
-		a_b[++length] = tochar (94);	/* large packet lsb */
-	} while (0);
-
-	a_b[0] = START_CHAR;
-	a_b[1] = tochar (length);
-	a_b[2] = tochar (n);
-	a_b[3] = ACK_TYPE;
-	a_b[++length] = '\0';
-	a_b[length] = tochar (chk1 (&a_b[1]));
-	a_b[++length] = his_eol;
-	a_b[++length] = '\0';
-	s1_sendpacket (a_b);
-}
-
-/* k_recv receives a OS Open image file over kermit line */
-static int k_recv (void)
-{
-	char new_char;
-	char k_state, k_state_saved;
-	int sum;
-	int done;
-	int length;
-	int n, last_n;
-	int z = 0;
-	int len_lo, len_hi;
-
-	/* initialize some protocol parameters */
-	his_eol = END_CHAR;		/* default end of line character */
-	his_pad_count = 0;
-	his_pad_char = '\0';
-	his_quote = K_ESCAPE;
-
-	/* initialize the k_recv and k_data state machine */
-	done = 0;
-	k_state = 0;
-	k_data_init ();
-	k_state_saved = k_state;
-	k_data_save ();
-	n = 0;				/* just to get rid of a warning */
-	last_n = -1;
-
-	/* expect this "type" sequence (but don't check):
-	   S: send initiate
-	   F: file header
-	   D: data (multiple)
-	   Z: end of file
-	   B: break transmission
-	 */
-
-	/* enter main loop */
-	while (!done) {
-		/* set the send packet pointer to begining of send packet parms */
-		send_ptr = send_parms;
-
-		/* With each packet, start summing the bytes starting with the length.
-		   Save the current sequence number.
-		   Note the type of the packet.
-		   If a character less than SPACE (0x20) is received - error.
-		 */
-
-#if 0
-		/* OLD CODE, Prior to checking sequence numbers */
-		/* first have all state machines save current states */
-		k_state_saved = k_state;
-		k_data_save ();
-#endif
-
-		/* get a packet */
-		/* wait for the starting character or ^C */
-		for (;;) {
-			switch (getc ()) {
-			case START_CHAR:	/* start packet */
-				goto START;
-			case ETX_CHAR:		/* ^C waiting for packet */
-				return (0);
-			case 'M':
-				lowlevel_monitor();
-				break;
-			default:
-				;
-			}
-		}
-START:
-		/* get length of packet */
-		sum = 0;
-		new_char = getc ();
-		if ((new_char & 0xE0) == 0)
-			goto packet_error;
-		sum += new_char & 0xff;
-		length = untochar (new_char);
-		/* get sequence number */
-		new_char = getc ();
-		if ((new_char & 0xE0) == 0)
-			goto packet_error;
-		sum += new_char & 0xff;
-		n = untochar (new_char);
-		--length;
-
-		/* NEW CODE - check sequence numbers for retried packets */
-		/* Note - this new code assumes that the sequence number is correctly
-		 * received.  Handling an invalid sequence number adds another layer
-		 * of complexity that may not be needed - yet!  At this time, I'm hoping
-		 * that I don't need to buffer the incoming data packets and can write
-		 * the data into memory in real time.
-		 */
-		if (n == last_n) {
-			/* same sequence number, restore the previous state */
-			k_state = k_state_saved;
-			k_data_restore ();
-		} else {
-			/* new sequence number, checkpoint the download */
-			last_n = n;
-			k_state_saved = k_state;
-			k_data_save ();
-		}
-		/* END NEW CODE */
-
-		/* get packet type */
-		new_char = getc ();
-		if ((new_char & 0xE0) == 0)
-			goto packet_error;
-		sum += new_char & 0xff;
-		k_state = new_char;
-		--length;
-		/* check for extended length */
-		if (length == -2) {
-			/* (length byte was 0, decremented twice) */
-			/* get the two length bytes */
-			new_char = getc ();
-			if ((new_char & 0xE0) == 0)
-				goto packet_error;
-			sum += new_char & 0xff;
-			len_hi = untochar (new_char);
-			new_char = getc ();
-			if ((new_char & 0xE0) == 0)
-				goto packet_error;
-			sum += new_char & 0xff;
-			len_lo = untochar (new_char);
-			length = len_hi * 95 + len_lo;
-			/* check header checksum */
-			new_char = getc ();
-			if ((new_char & 0xE0) == 0)
-				goto packet_error;
-			if (new_char != tochar ((sum + ((sum >> 6) & 0x03)) & 0x3f))
-				goto packet_error;
-			sum += new_char & 0xff;
-/* --length; */ /* new length includes only data and block check to come */
-		}
-		/* bring in rest of packet */
-		while (length > 1) {
-			new_char = getc ();
-			if ((new_char & 0xE0) == 0)
-				goto packet_error;
-			sum += new_char & 0xff;
-			--length;
-			if (k_state == DATA_TYPE) {
-				/* pass on the data if this is a data packet */
-				k_data_char (new_char);
-			} else if (k_state == SEND_TYPE) {
-				/* save send pack in buffer as is */
-				*send_ptr++ = new_char;
-				/* if too much data, back off the pointer */
-				if (send_ptr >= &send_parms[SEND_DATA_SIZE])
-					--send_ptr;
-			}
-		}
-		/* get and validate checksum character */
-		new_char = getc ();
-		if ((new_char & 0xE0) == 0)
-			goto packet_error;
-		if (new_char != tochar ((sum + ((sum >> 6) & 0x03)) & 0x3f))
-			goto packet_error;
-		/* get END_CHAR */
-		new_char = getc ();
-		if (new_char != END_CHAR) {
-		  packet_error:
-			/* restore state machines */
-			k_state = k_state_saved;
-			k_data_restore ();
-			/* send a negative acknowledge packet in */
-			send_nack (n);
-		} else if (k_state == SEND_TYPE) {
-			/* crack the protocol parms, build an appropriate ack packet */
-			handle_send_packet (n);
-		} else {
-			/* send simple acknowledge packet in */
-			send_ack (n);
-			/* quit if end of transmission */
-			if (k_state == BREAK_TYPE)
-				done = 1;
-		}
-		++z;
-	}
-	return ((ulong) os_data_addr - (ulong) bin_start_address);
-}