leandrof/u-boot
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

am33xx evm: Add CONFIG_CMD_EEPROM and related

Browse Source 
am33xx boards have at least one eeprom and in the case of beaglebones
with capes, more.

Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Tom Rini 2012-07-31 09:37:08 -07:00 committed by Albert ARIBAUD
parent 65d750be59
commit 726c05d2cf
2 changed files with 8 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
arch/arm/cpu/armv7/am33xx/board.c
View File

@ -58,11 +58,6 @@ const struct gpio_bank *const omap_gpio_bank = gpio_bank_am33xx;
static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
/*
* I2C Address of on-board EEPROM
*/
#define I2C_BASE_BOARD_ADDR 0x50
#define NO_OF_MAC_ADDR 3 #define NO_OF_MAC_ADDR 3
#define ETH_ALEN 6 #define ETH_ALEN 6
#define NAME_LEN 8 #define NAME_LEN 8
@ -94,14 +89,14 @@ static inline int board_is_evm_sk(void)
static int read_eeprom(void) static int read_eeprom(void)
{ {
/* Check if baseboard eeprom is available */ /* Check if baseboard eeprom is available */
if (i2c_probe(I2C_BASE_BOARD_ADDR)) { if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
puts("Could not probe the EEPROM; something fundamentally " puts("Could not probe the EEPROM; something fundamentally "
"wrong on the I2C bus.\n"); "wrong on the I2C bus.\n");
return -ENODEV; return -ENODEV;
} }
/* read the eeprom using i2c */ /* read the eeprom using i2c */
if (i2c_read(I2C_BASE_BOARD_ADDR, 0, 2, (uchar *)&header, if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 2, (uchar *)&header,
sizeof(header))) { sizeof(header))) {
puts("Could not read the EEPROM; something fundamentally" puts("Could not read the EEPROM; something fundamentally"
" wrong on the I2C bus.\n"); " wrong on the I2C bus.\n");
@ -113,8 +108,8 @@ static int read_eeprom(void)
* read the eeprom using i2c again, * read the eeprom using i2c again,
* but use only a 1 byte address * but use only a 1 byte address
*/ */
if (i2c_read(I2C_BASE_BOARD_ADDR, 0, 1, (uchar *)&header, if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 1,
sizeof(header))) { (uchar *)&header, sizeof(header))) {
puts("Could not read the EEPROM; something " puts("Could not read the EEPROM; something "
"fundamentally wrong on the I2C bus.\n"); "fundamentally wrong on the I2C bus.\n");
return -EIO; return -EIO;

4
include/configs/am335x_evm.h
View File

@ -162,6 +162,10 @@
#define CONFIG_SYS_I2C_SLAVE 1 #define CONFIG_SYS_I2C_SLAVE 1
#define CONFIG_I2C_MULTI_BUS #define CONFIG_I2C_MULTI_BUS
#define CONFIG_DRIVER_OMAP24XX_I2C #define CONFIG_DRIVER_OMAP24XX_I2C
#define CONFIG_CMD_EEPROM
#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* Main EEPROM */
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
#define CONFIG_SYS_I2C_MULTI_EEPROMS
#define CONFIG_BAUDRATE 115200 #define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \ #define CONFIG_SYS_BAUDRATE_TABLE { 110, 300, 600, 1200, 2400, \