Make the vendor name optional in the -m flashrom parameter when there's only

one board name that matches. The full syntax still works, and is required
when two vendors have boards with the same names.

Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Stefan Reinauer <stepan@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3082 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

util/flashrom/README

@@ -23,7 +23,7 @@ Usage
 -----
 
  $ flashrom [-rwvEVfh] [-c chipname] [-s exclude_start] [-e exclude_end]
-            [-m vendor:part] [-l file.layout] [-i imagename] [file]
+            [-m [vendor:]part] [-l file.layout] [-i imagename] [file]
    -r | --read:                      read flash and save into file
    -w | --write:                     write file into flash (default when
                                      file is specified)
@@ -33,7 +33,7 @@ Usage
    -c | --chip <chipname>:           probe only for specified flash chip
    -s | --estart <addr>:             exclude start position
    -e | --eend <addr>:               exclude end postion
-   -m | --mainboard <vendor:part>: override mainboard settings
+   -m | --mainboard <[vendor:]part>: override mainboard settings
    -f | --force:                     force write without checking image
    -l | --layout <file.layout>:      read rom layout from file
    -i | --image <name>:              only flash image name from flash layout

util/flashrom/board_enable.c

@@ -413,9 +413,10 @@ struct board_pciid_enable board_pciid_enables[] = {
 static struct board_pciid_enable *board_match_coreboot_name(const char *vendor, const char *part)
 {
 	struct board_pciid_enable *board = board_pciid_enables;
+	struct board_pciid_enable *partmatch = NULL;
 
 	for (; board->name; board++) {
-		if (!board->lb_vendor || strcmp(board->lb_vendor, vendor))
+		if (vendor && (!board->lb_vendor || strcmp(board->lb_vendor, vendor)))
 			continue;
 
 		if (!board->lb_part || strcmp(board->lb_part, part))
@@ -427,8 +428,23 @@ static struct board_pciid_enable *board_match_coreboot_name(const char *vendor,
 		if (board->second_vendor &&
 			!pci_dev_find(board->second_vendor, board->second_device))
 			continue;
+
+		if (vendor)
 			return board;
+
+		if (partmatch) {
+			/* a second entry has a matching part name */
+			printf("AMBIGUOUS BOARD NAME: %s\n", part);
+			printf("At least vendors '%s' and '%s' match.\n",
+				partmatch->lb_vendor, board->lb_vendor);
+			printf("Please use the full -m vendor:part syntax.\n");
+			return NULL;
 		}
+		partmatch = board;
+	}
+
+	if (partmatch)
+		return partmatch;
 
 	printf("NOT FOUND %s:%s\n", vendor, part);
 
@@ -477,7 +493,7 @@ int board_flash_enable(const char *vendor, const char *part)
 	struct board_pciid_enable *board = NULL;
 	int ret = 0;
 
-	if (vendor && part)
+	if (part)
 		board = board_match_coreboot_name(vendor, part);
 
 	if (!board)

util/flashrom/flashrom.8

@@ -40,11 +40,11 @@ Exclude start position (obsolete).
 .B "\-e, \-\-eend" <addr> 
 Exclude end postion (obsolete).
 .TP
-.B "\-m, \-\-mainboard" <vendor:part>
+.B "\-m, \-\-mainboard" <[vendor:]part>
 Override mainboard settings. This option is needed for some mainboards,
 see the
 .B flashrom
-README for a list.
+README for a list. The vendor is not required when the board name is unique.
 .TP
 .B "\-f, \-\-force"
 Force write without checking whether the ROM image file is really meant

util/flashrom/flashrom.c

@@ -196,7 +196,7 @@ int verify_flash(struct flashchip *flash, uint8_t *buf)
 void usage(const char *name)
 {
 	printf("usage: %s [-rwvEVfhR] [-c chipname] [-s exclude_start]\n", name);
-	printf("       [-e exclude_end] [-m vendor:part] [-l file.layout] [-i imagename] [file]\n");
+	printf("       [-e exclude_end] [-m [vendor:]part] [-l file.layout] [-i imagename] [file]\n");
 	printf
 	    ("   -r | --read:                      read flash and save into file\n"
 	     "   -w | --write:                     write file into flash\n"
@@ -206,7 +206,7 @@ void usage(const char *name)
 	     "   -c | --chip <chipname>:           probe only for specified flash chip\n"
 	     "   -s | --estart <addr>:             exclude start position\n"
 	     "   -e | --eend <addr>:               exclude end postion\n"
-	     "   -m | --mainboard <vendor:part>: override mainboard settings\n"
+	     "   -m | --mainboard <[vendor:]part>: override mainboard settings\n"
 	     "   -f | --force:                     force write without checking image\n"
 	     "   -l | --layout <file.layout>:      read rom layout from file\n"
 	     "   -i | --image <name>:              only flash image name from flash layout\n"
@@ -301,8 +301,8 @@ int main(int argc, char *argv[])
 				lb_vendor = tempstr;
 				lb_part = tempstr2;
 			} else {
-				printf("warning: ignored wrong format of"
+				lb_vendor = NULL;
-				       " mainboard: %s\n", tempstr);
+				lb_part = tempstr;
 			}
 			break;
 		case 'f':