[U-Boot-Users] [PATCH] VoiceBlue update

[Ladislav Michl <ladis@linux-mips.org>]

Hi Wolfgang,

please consider applying this board specific patch. You may find some
updated trivial patches I sent to mailing list here:
ftp://ftp.linux-mips.org/pub/linux/mips/people/ladis/u-boot/

CHANGELOG
* Patch by Ladislav Michl, 23 May 2005:
   VoiceBlue update: eeprom tool can also store firmware version now.
   eeprom.bin is runable by jumping at load address.

Index: board/voiceblue/Makefile
===================================================================
RCS file: /cvsroot/u-boot/u-boot/board/voiceblue/Makefile,v
retrieving revision 1.1
diff -u -r1.1 Makefile
--- board/voiceblue/Makefile	5 Apr 2005 23:32:24 -0000	1.1
+++ board/voiceblue/Makefile	23 May 2005 07:52:32 -0000
@@ -32,21 +32,23 @@
 gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
 
 LOAD_ADDR = 0x10400000
+LDSCRIPT = $(TOPDIR)/board/$(BOARDDIR)/eeprom.lds 
 
 all:	$(LIB) eeprom.srec eeprom.bin
 
 $(LIB):	$(OBJS) $(SOBJS)
 	$(AR) crv $@ $(OBJS) $(SOBJS)
 
-eeprom.srec:	eeprom.o
-	$(LD) -g -Ttext $(LOAD_ADDR) -o $(<:.o=) -e $(<:.o=) $^ \
+eeprom.srec:	eeprom.o eeprom_start.o
+	$(LD) -T $(LDSCRIPT) -g -Ttext $(LOAD_ADDR) \
+		-o $(<:.o=) -e $(<:.o=) $^ \
 		-L../../examples -lstubs \
 		-L../../lib_generic -lgeneric \
 		-L$(gcclibdir) -lgcc
 	$(OBJCOPY) -O srec $(<:.o=) $@
 
 eeprom.bin:	eeprom.srec
-	$(OBJCOPY) -O binary $< $@ 2>/dev/null
+	$(OBJCOPY) -I srec -O binary $< $@ 2>/dev/null
 
 clean:
 	rm -f $(SOBJS) $(OBJS) eeprom eeprom.srec eeprom.bin
Index: board/voiceblue/eeprom.c
===================================================================
RCS file: /cvsroot/u-boot/u-boot/board/voiceblue/eeprom.c,v
retrieving revision 1.1
diff -u -r1.1 eeprom.c
--- board/voiceblue/eeprom.c	5 Apr 2005 23:32:24 -0000	1.1
+++ board/voiceblue/eeprom.c	23 May 2005 07:52:32 -0000
@@ -30,40 +30,6 @@
 
 #define SMC_BASE_ADDRESS CONFIG_SMC91111_BASE
 
-static int verify_macaddr(char *);
-static int set_mac(char *);
-
-int eeprom(int argc, char *argv[])
-{
-	app_startup(argv);
-	if (get_version() != XF_VERSION) {
-		printf("Wrong XF_VERSION.\n");
-		printf("Application expects ABI version %d\n", XF_VERSION);
-		printf("Actual U-Boot ABI version %d\n", (int)get_version());
-		return 1;
-	}
-
-	if ((SMC_inw (BANK_SELECT) & 0xFF00) != 0x3300) {
-		printf("SMSC91111 not found.\n");
-		return 2;
-	}
-
-	if (argc != 2) {
-		printf("VoiceBlue EEPROM writer\n");
-		printf("Built: %s at %s\n", __DATE__ , __TIME__ );
-		printf("Usage:\n\t<mac_address>");
-		return 3;
-	}
-
-	set_mac(argv[1]);
-	if (verify_macaddr(argv[1])) {
-		printf("*** ERROR ***\n");
-		return 4;
-	}
-
-	return 0;
-}
-
 static u16 read_eeprom_reg(u16 reg)
 {
 	int timeout;
@@ -106,17 +72,28 @@
 	return 1;
 }
 
+static int write_data(u16 *buf, int len)
+{
+	u16 reg = 0x23;
+
+	while (len--)
+		write_eeprom_reg(*buf++, reg++);
+
+	return 0;
+}
+
 static int verify_macaddr(char *s)
 {
 	u16 reg;
 	int i, err = 0;
 
-	printf("Verifying MAC Address: ");
+	printf("MAC Address: ");
 	err = i = 0;
 	for (i = 0; i < 3; i++) {
 		reg = read_eeprom_reg(0x20 + i);
 		printf("%02x:%02x%c", reg & 0xff, reg >> 8, i != 2 ? ':' : '\n');
-		err |= reg != ((u16 *)s)[i];
+		if (s)
+			err |= reg != ((u16 *)s)[i];
 	}
 
 	return err ? 0 : 1;
@@ -138,3 +115,98 @@
 
 	return 0;
 }
+
+static int parse_element(char *s, unsigned char *buf, int len)
+{
+	int cnt;
+	char *p, num[3];
+	unsigned char id;
+
+	id = simple_strtoul(s, &p, 16);
+	if (*p++ != ':')
+		return -1;
+	cnt = 2;
+	num[2] = 0;
+	for (; *p; p += 2) {
+		if (p[1] == 0)
+			return -2;
+		if (cnt + 3 > len)
+			return -3;
+		num[0] = p[0];
+		num[1] = p[1];
+		buf[cnt++] = simple_strtoul(num, NULL, 16);
+	}
+	buf[0] = id;
+	buf[1] = cnt - 2;
+
+	return cnt;
+}
+
+int eeprom(int argc, char *argv[])
+{
+	int i, len, ret;
+	unsigned char buf[58], *p;
+	
+	app_startup(argv);
+	if (get_version() != XF_VERSION) {
+		printf("Wrong XF_VERSION.\n");
+		printf("Application expects ABI version %d\n", XF_VERSION);
+		printf("Actual U-Boot ABI version %d\n", (int)get_version());
+		return 1;
+	}
+
+	if ((SMC_inw (BANK_SELECT) & 0xFF00) != 0x3300) {
+		printf("SMSC91111 not found.\n");
+		return 2;
+	}
+
+	/* Called without parameters - print MAC address */
+	if (argc < 2) {
+		verify_macaddr(NULL);
+		return 0;
+	}
+
+	/* Print help message */
+	if (argv[1][1] == 'h') {
+		printf("VoiceBlue EEPROM writer\n");
+		printf("Built: %s@%s\n", __DATE__ , __TIME__ );
+		printf("Usage:\n\t<mac_address> [<element_1>] [<...>]\n");
+		return 0;
+	}
+
+	/* Try to parse information elements */
+	len = sizeof(buf);
+	p = buf;
+	for (i = 2; i < argc; i++) {
+		ret = parse_element(argv[i], p, len);
+		switch (ret) {
+		case -1:
+			printf("Element %d: malformed\n", i - 1);
+			return 3;
+		case -2:
+			printf("Element %d: odd character count\n", i - 1);
+			return 3;
+		case -3:
+			printf("Out of EEPROM memory\n");
+			return 3;
+		default:
+			p += ret;
+			len -= ret;
+		}
+	}
+
+	/* First argument (MAC) is mandatory */
+	set_mac(argv[1]);
+	if (verify_macaddr(argv[1])) {
+		printf("*** MAC address does not match! ***\n");
+		return 4;
+	}
+
+	while (len--)
+		*p++ = 0;
+
+	write_data((u16 *)buf, sizeof(buf) >> 1);
+
+	return 0;
+}
+
--- /dev/null	2005-05-23 10:45:10.477452184 +0200
+++ board/voiceblue/eeprom.lds	2005-05-17 09:29:35.000000000 +0200
@@ -0,0 +1,51 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ * (C) Copyright 2005
+ * Ladislav Michl, 2N Telekomunikace, <michl@2n.cz>
+ *
+ * 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
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = ALIGN(4);
+	.text      :
+	{
+	  eeprom_start.o	(.text)
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data : { *(.data) }
+
+	. = ALIGN(4);
+	.got : { *(.got) }
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss) }
+	_end = .;
+}
--- /dev/null	2005-05-23 10:45:10.477452184 +0200
+++ board/voiceblue/eeprom_start.S	2005-05-17 09:34:11.000000000 +0200
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2005  2N Telekomunikace
+ *
+ * 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.
+ *
+ */
+
+.globl _start
+_start:	b       eeprom
+