Introduce cl_eeprom_get_product_name() for obtaining product name from the eeprom.
Cc: Stefano Babic sbabic@denx.de Cc: Igor Grinberg grinberg@compulab.co.il Signed-off-by: Nikita Kiryanov nikita@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