X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Fcm_t35%2Feeprom.c;h=b0af103cdd42cc312ae8db4406070d5fb3a01ba3;hb=be08abc2429c2e9cbce3d0abc1d315171d683520;hp=93ed6cbc0b2592fb29b65eed398b8096e06774c7;hpb=8230925049c164908f3936428e73e240830752f5;p=u-boot

diff --git a/board/cm_t35/eeprom.c b/board/cm_t35/eeprom.c
index 93ed6cbc0b..b0af103cdd 100644
--- a/board/cm_t35/eeprom.c
+++ b/board/cm_t35/eeprom.c
@@ -25,6 +25,11 @@
 #define EEPROM_LAYOUT_VER_OFFSET	44
 #define BOARD_SERIAL_OFFSET		20
 #define BOARD_SERIAL_OFFSET_LEGACY	8
+#define BOARD_REV_OFFSET		0
+#define BOARD_REV_OFFSET_LEGACY		6
+#define BOARD_REV_SIZE			2
+#define MAC_ADDR_OFFSET			4
+#define MAC_ADDR_OFFSET_LEGACY		0
 
 #define LAYOUT_INVALID	0
 #define LAYOUT_LEGACY	0xff
@@ -76,3 +81,50 @@ void get_board_serial(struct tag_serialnr *serialnr)
 		serialnr->high = serial[1];
 	}
 }
+
+/*
+ * Routine: cm_t3x_eeprom_read_mac_addr
+ * Description: read mac address and store it in buf.
+ */
+int cm_t3x_eeprom_read_mac_addr(uchar *buf)
+{
+	uint offset;
+
+	if (eeprom_setup_layout())
+		return 0;
+
+	offset = (eeprom_layout != LAYOUT_LEGACY) ?
+			MAC_ADDR_OFFSET : MAC_ADDR_OFFSET_LEGACY;
+	return cm_t3x_eeprom_read(offset, buf, 6);
+}
+
+/*
+ * Routine: cm_t3x_eeprom_get_board_rev
+ * Description: read system revision from eeprom
+ */
+u32 cm_t3x_eeprom_get_board_rev(void)
+{
+	u32 rev = 0;
+	char str[5]; /* Legacy representation can contain at most 4 digits */
+	uint offset = BOARD_REV_OFFSET_LEGACY;
+
+	if (eeprom_setup_layout())
+		return 0;
+
+	if (eeprom_layout != LAYOUT_LEGACY)
+		offset = BOARD_REV_OFFSET;
+
+	if (cm_t3x_eeprom_read(offset, (uchar *)&rev, BOARD_REV_SIZE))
+		return 0;
+
+	/*
+	 * Convert legacy syntactic representation to semantic
+	 * representation. i.e. for rev 1.00: 0x100 --> 0x64
+	 */
+	if (eeprom_layout == LAYOUT_LEGACY) {
+		sprintf(str, "%x", rev);
+		rev = simple_strtoul(str, NULL, 10);
+	}
+
+	return rev;
+};