flash: stm32f2x incorrectly using 512 as max family size

Change-Id: I2bac348c6d0baabd3d88335c5aa0a318ef66653a
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/353
Tested-by: jenkins

src/flash/nor/stm32f2x.c

@@ -640,15 +640,15 @@ static int stm32x_probe(struct flash_bank *bank)
 		/* check for early silicon */
 		if (flash_size_in_kb == 0xffff) {
 			/* number of sectors may be incorrrect on early silicon */
-			LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 512k flash");
-			flash_size_in_kb = 512;
+			LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 1024k flash");
+			flash_size_in_kb = 1024;
 		}
 	} else if ((device_id & 0xfff) == 0x413) {
 		/* check for early silicon */
 		if (flash_size_in_kb == 0xffff) {
 			/* number of sectors may be incorrrect on early silicon */
-			LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 512k flash");
-			flash_size_in_kb = 512;
+			LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 1024k flash");
+			flash_size_in_kb = 1024;
 		}
 	} else {
 		LOG_WARNING("Cannot identify target as a STM32 family.");
@@ -747,6 +747,10 @@ static int get_stm32x_info(struct flash_bank *bank, char *buf, int buf_size)
 				snprintf(buf, buf_size, "A");
 				break;
 
+			case 0x1001:
+				snprintf(buf, buf_size, "Z");
+				break;
+
 			default:
 				snprintf(buf, buf_size, "unknown");
 				break;