[U-Boot] [PATCH 2/3] compulab: eeprom: add support for obtaining product name

[Nikita Kiryanov]

Introduce cl_eeprom_get_product_name() for obtaining product name
from the eeprom.

Cc: Stefano Babic <sbabic at denx.de>
Cc: Igor Grinberg <grinberg at compulab.co.il>
Signed-off-by: Nikita Kiryanov <nikita at compulab.co.il>
---
 board/compulab/common/eeprom.c | 19 +++++++++++++++++++
 board/compulab/common/eeprom.h |  5 +++++
 2 files changed, 24 insertions(+)

diff --git a/board/compulab/common/eeprom.c b/board/compulab/common/eeprom.c
index aaacd2e..a48da93 100644
--- a/board/compulab/common/eeprom.c
+++ b/board/compulab/common/eeprom.c
@@ -25,6 +25,8 @@
 #define BOARD_REV_OFFSET		0
 #define BOARD_REV_OFFSET_LEGACY		6
 #define BOARD_REV_SIZE			2
+#define BOARD_PRODUCT_NAME_OFFSET	128
+#define BOARD_PRODUCT_NAME_SIZE		16
 #define MAC_ADDR_OFFSET			4
 #define MAC_ADDR_OFFSET_LEGACY		0
 
@@ -149,3 +151,20 @@ u32 cl_eeprom_get_board_rev(uint eeprom_bus)
 
 	return board_rev;
 };
+
+static char product_name[BOARD_PRODUCT_NAME_SIZE];
+char *cl_eeprom_get_product_name(uint eeprom_bus)
+{
+	if (cl_eeprom_setup(eeprom_bus))
+		return NULL;
+
+	if (cl_eeprom_read(BOARD_PRODUCT_NAME_OFFSET,
+			   (uchar *)product_name, BOARD_PRODUCT_NAME_SIZE)) {
+		return NULL;
+	}
+
+	/* Protect ourselves from invalid data (unterminated string) */
+	product_name[BOARD_PRODUCT_NAME_SIZE - 1] = '\0';
+
+	return product_name;
+}
diff --git a/board/compulab/common/eeprom.h b/board/compulab/common/eeprom.h
index e74c379..fceb5df 100644
--- a/board/compulab/common/eeprom.h
+++ b/board/compulab/common/eeprom.h
@@ -13,6 +13,7 @@
 #ifdef CONFIG_SYS_I2C
 int cl_eeprom_read_mac_addr(uchar *buf, uint eeprom_bus);
 u32 cl_eeprom_get_board_rev(uint eeprom_bus);
+char *cl_eeprom_get_product_name(uint eeprom_bus);
 #else
 static inline int cl_eeprom_read_mac_addr(uchar *buf, uint eeprom_bus)
 {
@@ -22,6 +23,10 @@ static inline u32 cl_eeprom_get_board_rev(uint eeprom_bus)
 {
 	return 0;
 }
+static inline char *cl_eeprom_get_product_name(uint eeprom_bus)
+{
+	return NULL;
+}
 #endif
 
 #endif
-- 
1.9.1