Introduce cl_eeprom_get_product_name() for obtaining product name
from the eeprom.
Cc: Stefano Babic <sba...@denx.de>
Cc: Igor Grinberg <grinb...@compulab.co.il>
Signed-off-by: Nikita Kiryanov <nik...@compulab.co.il>
---
Changes in V2:
- s/BOARD_PRODUCT_NAME_*/PRODUCT_NAME_*
- Added documentation
- rewrote cl_eeprom_get_product_name() to take a buffer parameter
board/compulab/common/eeprom.c | 30 ++++++++++++++++++++++++++++++
board/compulab/common/eeprom.h | 6 ++++++
2 files changed, 36 insertions(+)
diff --git a/board/compulab/common/eeprom.c b/board/compulab/common/eeprom.c
index 9f18a3d..6304468 100644
--- a/board/compulab/common/eeprom.c
+++ b/board/compulab/common/eeprom.c
@@ -9,6 +9,7 @@
#include <common.h>
#include <i2c.h>
+#include "eeprom.h"
#ifndef CONFIG_SYS_I2C_EEPROM_ADDR
# define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
@@ -25,6 +26,8 @@
#define BOARD_REV_OFFSET 0
#define BOARD_REV_OFFSET_LEGACY 6
#define BOARD_REV_SIZE 2
+#define PRODUCT_NAME_OFFSET 128
+#define PRODUCT_NAME_SIZE 16
#define MAC_ADDR_OFFSET 4
#define MAC_ADDR_OFFSET_LEGACY 0
@@ -151,3 +154,30 @@ u32 cl_eeprom_get_board_rev(uint eeprom_bus)
return board_rev;
};
+
+/*
+ * Routine: cl_eeprom_get_board_rev
+ * Description: read system revision from eeprom
+ *
+ * @buf: buffer to store the product name
+ * @eeprom_bus: i2c bus num of the eeprom
+ *
+ * @return: 0 on success, < 0 on failure
+ */
+int cl_eeprom_get_product_name(uchar *buf, uint eeprom_bus)
+{
+ int err;
+
+ if (buf == NULL)
+ return -EINVAL;
+
+ err = cl_eeprom_setup(eeprom_bus);
+ if (err)
+ return err;
+
+ err = cl_eeprom_read(PRODUCT_NAME_OFFSET, buf, PRODUCT_NAME_SIZE);
+ if (!err) /* Protect ourselves from invalid data (unterminated str) */
+ buf[PRODUCT_NAME_SIZE - 1] = '\0';
+
+ return err;
+}
diff --git a/board/compulab/common/eeprom.h b/board/compulab/common/eeprom.h
index e74c379..c0b4739 100644
--- a/board/compulab/common/eeprom.h
+++ b/board/compulab/common/eeprom.h
@@ -9,10 +9,12 @@
#ifndef _EEPROM_
#define _EEPROM_
+#include <errno.h>
#ifdef CONFIG_SYS_I2C
int cl_eeprom_read_mac_addr(uchar *buf, uint eeprom_bus);
u32 cl_eeprom_get_board_rev(uint eeprom_bus);
+int cl_eeprom_get_product_name(uchar *buf, uint eeprom_bus);
#else
static inline int cl_eeprom_read_mac_addr(uchar *buf, uint eeprom_bus)
{
@@ -22,6 +24,10 @@ static inline u32 cl_eeprom_get_board_rev(uint eeprom_bus)
{
return 0;
}
+static inline int cl_eeprom_get_product_name(uchar *buf, uint eeprom_bus)
+{
+ return -ENOSYS;
+}
#endif
#endif
--
1.9.1
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