diff options
Diffstat (limited to 'src/mainboard/intel/galileo/gen2.h')
| -rw-r--r-- | src/mainboard/intel/galileo/gen2.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/mainboard/intel/galileo/gen2.h b/src/mainboard/intel/galileo/gen2.h index 10c832198e..253976e6df 100644 --- a/src/mainboard/intel/galileo/gen2.h +++ b/src/mainboard/intel/galileo/gen2.h @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2016 Intel Corp. + * Copyright (C) 2016-2017 Intel Corp. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -98,3 +98,15 @@ static const struct reg_script gen2_i2c_init[] = { REG_SCRIPT_END }; + +static const struct reg_script gen2_tpm_reset[] = { + /* Reset the TPM using SW_RESET_N_SHLD (EXP1 P1.7): + * low, output, delay, input + */ + REG_I2C_AND(GEN2_I2C_GPIO_EXP1, GEN2_GPIO_EXP_OUTPUT1, ~BIT7), + REG_I2C_AND(GEN2_I2C_GPIO_EXP1, GEN2_GPIO_EXP_CONFIG1, ~BIT7), + TIME_DELAY_USEC(5), + REG_I2C_OR(GEN2_I2C_GPIO_EXP1, GEN2_GPIO_EXP_CONFIG1, BIT7), + + REG_SCRIPT_END +}; |