diff options
Diffstat (limited to 'src/mainboard/intel/galileo/gen2.h')
| -rw-r--r-- | src/mainboard/intel/galileo/gen2.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/mainboard/intel/galileo/gen2.h b/src/mainboard/intel/galileo/gen2.h index 8eee744392..10c832198e 100644 --- a/src/mainboard/intel/galileo/gen2.h +++ b/src/mainboard/intel/galileo/gen2.h @@ -52,6 +52,28 @@ static const struct reg_script gen2_gpio_init[] = { REG_SCRIPT_END }; +static const struct reg_script gen2_hsuart0[] = { + /* Route UART0_TXD to MUX7_Y -> BUF_IO1 -> IO1 -> DIGITAL 1 + * Set MUX7_SEL (EXP1.P1_5) high + * Configure MUX7_SEL (EXP1.P1_5) as an output + * Set LVL_B_OE6_N (EXP0.P1_4) low + * Configure LVL_B_OE6_N (EXP0.P1_4) as an output + */ + REG_I2C_OR(GEN2_I2C_GPIO_EXP1, GEN2_GPIO_EXP_OUTPUT1, BIT5), + REG_I2C_AND(GEN2_I2C_GPIO_EXP1, GEN2_GPIO_EXP_CONFIG1, ~BIT5), + REG_I2C_AND(GEN2_I2C_GPIO_EXP0, GEN2_GPIO_EXP_OUTPUT1, ~BIT4), + REG_I2C_AND(GEN2_I2C_GPIO_EXP0, GEN2_GPIO_EXP_CONFIG1, ~BIT4), + + /* Route DIGITAL 0 -> IO0 -> UART0_RXD + * Set LVL_C_OE0_N (EXP1.P0_0) high + * Configure LVL_C_OE0_N (EXP1.P0_0) as an output + */ + REG_I2C_OR(GEN2_I2C_GPIO_EXP1, GEN2_GPIO_EXP_OUTPUT0, BIT0), + REG_I2C_AND(GEN2_I2C_GPIO_EXP1, GEN2_GPIO_EXP_CONFIG0, ~BIT0), + + REG_SCRIPT_END +}; + static const struct reg_script gen2_i2c_init[] = { /* Route I2C to Arduino Shield connector: * Set AMUX1_IN (EXP2.P1_4) low |