diff options
Diffstat (limited to 'board/omap3/logic/logic.c')
| -rw-r--r-- | board/omap3/logic/logic.c | 61 |
1 files changed, 31 insertions, 30 deletions
diff --git a/board/omap3/logic/logic.c b/board/omap3/logic/logic.c index 601f1f9c9fc..4756daee139 100644 --- a/board/omap3/logic/logic.c +++ b/board/omap3/logic/logic.c @@ -156,6 +156,37 @@ static void setup_net_chip(void); static void setup_isp1760_chip(void); static void fix_flash_sync(void); +/* Turn on VAUX1 voltage to 3.0 volts to drive level shifters and + * power 3.0v parts (tsc2004 and Product ID chip) */ +#define I2C_TRITON2 0x4b /* Address of Triton power group */ + +void init_vaux1_voltage(void) +{ +#ifdef CONFIG_DRIVER_OMAP34XX_I2C + unsigned char data; + unsigned short msg; + + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + + // Select the output voltage + data = 0x04; + i2c_write(I2C_TRITON2, 0x72, 1, &data, 1); + // Select the Processor resource group + data = 0x20; + i2c_write(I2C_TRITON2, 0x72, 1, &data, 1); + // Enable I2C access to the Power bus + data = 0x02; + i2c_write(I2C_TRITON2, 0x4a, 1, &data, 1); + // Send message MSB + msg = (1<<13) | (1<<4) | (0xd<<0); // group(process_grp1):resource(vaux1):res_active; + data = msg >> 8; + i2c_write(I2C_TRITON2, 0x4b, 1, &data, 1); + // Send message LSB + data = msg & 0xff; + i2c_write(I2C_TRITON2, 0x4c, 1, &data, 1); +#endif +} + /* * Routine: misc_init_r * Description: Configure board specific parts @@ -208,36 +239,6 @@ int misc_init_r(void) return 0; } -// Turn on VAUX1 voltage to 3.0 volts to drive level shifters and -// power 3.0v parts (tsc2004 and Product ID chip) -#define I2C_TRITON2 0x4b /* Address of Triton power group */ - -void init_vaux1_voltage(void) -{ -#ifdef CONFIG_DRIVER_OMAP34XX_I2C - unsigned char data; - unsigned short msg; - - i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); - - // Select the output voltage - data = 0x04; - i2c_write(I2C_TRITON2, 0x72, 1, &data, 1); - // Select the Processor resource group - data = 0x20; - i2c_write(I2C_TRITON2, 0x72, 1, &data, 1); - // Enable I2C access to the Power bus - data = 0x02; - i2c_write(I2C_TRITON2, 0x4a, 1, &data, 1); - // Send message MSB - msg = (1<<13) | (1<<4) | (0xd<<0); // group(process_grp1):resource(vaux1):res_active; - data = msg >> 8; - i2c_write(I2C_TRITON2, 0x4b, 1, &data, 1); - // Send message LSB - data = msg & 0xff; - i2c_write(I2C_TRITON2, 0x4c, 1, &data, 1); -#endif -} /****************************************************************************** * Routine: late_board_init |