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| author | Nikita Kiryanov <nikita@compulab.co.il> | 2015-09-06 11:48:37 +0300 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2015-09-13 10:36:01 +0200 |
| commit | 53af877fd2b509bed0ba84fc0fb2845e0c149e34 (patch) | |
| tree | 48d8801963e5754239316f368cd621d123dff094 /board/compulab | |
| parent | e93e809f2f71bc6705818f1978b2d15bddfcae72 (diff) | |
| download | u-boot-imx-53af877fd2b509bed0ba84fc0fb2845e0c149e34.zip u-boot-imx-53af877fd2b509bed0ba84fc0fb2845e0c149e34.tar.gz u-boot-imx-53af877fd2b509bed0ba84fc0fb2845e0c149e34.tar.bz2 | |
compulab: eeprom: add support for obtaining product name
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>
Diffstat (limited to 'board/compulab')
| -rw-r--r-- | board/compulab/common/eeprom.c | 30 | ||||
| -rw-r--r-- | board/compulab/common/eeprom.h | 6 |
2 files changed, 36 insertions, 0 deletions
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 |