diff options
Diffstat (limited to 'src/soc/amd/stoneyridge/i2c.c')
-rw-r--r-- | src/soc/amd/stoneyridge/i2c.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/i2c.c b/src/soc/amd/stoneyridge/i2c.c new file mode 100644 index 0000000000..2837a910be --- /dev/null +++ b/src/soc/amd/stoneyridge/i2c.c @@ -0,0 +1,29 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2017 Google + * + * 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 + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <drivers/i2c/designware/dw_i2c.h> +#include <soc/iomap.h> + +const uintptr_t i2c_bus_address[] = { I2C_BASE_ADDRESS, + I2C_BASE_ADDRESS + I2C_DEVICE_SIZE * 1, + I2C_BASE_ADDRESS + I2C_DEVICE_SIZE * 2, + I2C_BASE_ADDRESS + I2C_DEVICE_SIZE * 3, + }; + + +uintptr_t dw_i2c_base_address(unsigned int bus) +{ + return bus < I2C_DEVICE_COUNT ? i2c_bus_address[bus] : 0; +} |