diff options
Diffstat (limited to 'src/mainboard/intel/galileo/reg_access.h')
-rw-r--r-- | src/mainboard/intel/galileo/reg_access.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/mainboard/intel/galileo/reg_access.h b/src/mainboard/intel/galileo/reg_access.h new file mode 100644 index 0000000000..451dc877a4 --- /dev/null +++ b/src/mainboard/intel/galileo/reg_access.h @@ -0,0 +1,97 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 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 + * 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. + */ + +#ifndef _GALILEO_REG_ACCESS_H_ +#define _GALILEO_REG_ACCESS_H_ + +#include <fsp/util.h> +#include <reg_script.h> +#include <soc/IntelQNCConfig.h> +#include <soc/QuarkNcSocId.h> +#include <soc/reg_access.h> + +enum { + MAINBOARD_TYPE = REG_SCRIPT_TYPE_MAINBOARD_BASE, + /* Add additional mainboard access types here*/ +}; + +enum { + GEN1_I2C_GPIO_EXP_0x20 = 0x20, /* Cypress CY8C9540A */ + GEN1_I2C_GPIO_EXP_0x21 = 0x21, /* Cypress CY8C9540A */ + + GEN2_I2C_GPIO_EXP0 = 0x25, /* NXP PCAL9535A */ + GEN2_I2C_GPIO_EXP1 = 0x26, /* NXP PCAL9535A */ + GEN2_I2C_GPIO_EXP2 = 0x27, /* NXP PCAL9535A */ + GEN2_I2C_LED_PWM = 0x47, /* NXP PCAL9685 */ +}; + +/* Cypress CY8C9548A registers */ +#define GEN1_GPIO_EXP_INPUT0 0x00 +#define GEN1_GPIO_EXP_INPUT1 0x01 +#define GEN1_GPIO_EXP_INPUT2 0x02 +#define GEN1_GPIO_EXP_INPUT3 0x03 +#define GEN1_GPIO_EXP_INPUT4 0x04 +#define GEN1_GPIO_EXP_INPUT5 0x05 +#define GEN1_GPIO_EXP_OUTPUT0 0x08 +#define GEN1_GPIO_EXP_OUTPUT1 0x09 +#define GEN1_GPIO_EXP_OUTPUT2 0x0a +#define GEN1_GPIO_EXP_OUTPUT3 0x0b +#define GEN1_GPIO_EXP_OUTPUT4 0x0c +#define GEN1_GPIO_EXP_OUTPUT5 0x0d +#define GEN1_GPIO_EXP_PORT_SELECT 0x18 +#define GEN1_GPIO_EXP_PORT_DIR 0x1c + +/* NXP PCAL9535A registers */ +#define GEN2_GPIO_EXP_INPUT0 0x00 +#define GEN2_GPIO_EXP_INPUT1 0x01 +#define GEN2_GPIO_EXP_OUTPUT0 0x02 +#define GEN2_GPIO_EXP_OUTPUT1 0x03 +#define GEN2_GPIO_EXP_POLARITY0 0x04 +#define GEN2_GPIO_EXP_POLARITY1 0x05 +#define GEN2_GPIO_EXP_CONFIG0 0x06 +#define GEN2_GPIO_EXP_CONFIG1 0x07 +#define GEN2_GPIO_EXP_INPUT_LATCH0 0x44 +#define GEN2_GPIO_EXP_INPUT_LATCH1 0x45 +#define GEN2_GPIO_EXP_PULL_UP_DOWN_EN0 0x46 +#define GEN2_GPIO_EXP_PULL_UP_DOWN_EN1 0x47 +#define GEN2_GPIO_EXP_PULL_UP_DOWN_SEL0 0x46 +#define GEN2_GPIO_EXP_PULL_UP_DOWN_SEL1 0x47 + +#define MAINBOARD_ACCESS(cmd_, reg_, size_, mask_, value_, timeout_, reg_set_) \ + _REG_SCRIPT_ENCODE_RAW(REG_SCRIPT_COMMAND_##cmd_, MAINBOARD_TYPE, \ + size_, reg_, mask_, value_, timeout_, reg_set_) + +/* I2C chip register access macros */ +#define REG_I2C_ACCESS(cmd_, reg_, mask_, value_, timeout_, slave_addr_) \ + MAINBOARD_ACCESS(cmd_, reg_, REG_SCRIPT_SIZE_8, mask_, value_, \ + timeout_, slave_addr_) +#define REG_I2C_READ(slave_addr_, reg_) \ + REG_I2C_ACCESS(READ, reg_, 0, 0, 0, slave_addr_) +#define REG_I2C_WRITE(slave_addr_, reg_, value_) \ + REG_I2C_ACCESS(WRITE, reg_, 0, value_, 0, slave_addr_) +#define REG_I2C_AND(slave_addr_, reg_, value_) \ + REG_I2C_RMW(slave_addr_, reg_, value_, 0) +#define REG_I2C_RMW(slave_addr_, reg_, mask_, value_) \ + REG_I2C_ACCESS(RMW, reg_, mask_, value_, 0, slave_addr_) +#define REG_I2C_RXW(slave_addr_, reg_, mask_, value_) \ + REG_I2C_ACCESS(RXW, reg_, mask_, value_, 0, slave_addr_) +#define REG_I2C_OR(slave_addr_, reg_, value_) \ + REG_I2C_RMW(slave_addr_, reg_, 0xff, value_) +#define REG_I2C_POLL(slave_addr_, reg_, mask_, value_, timeout_) \ + REG_I2C_ACCESS(POLL, reg_, mask_, value_, timeout_, slave_addr_) +#define REG_I2C_XOR(slave_addr_, reg_, value_) \ + REG_I2C_RXW(slave_addr_, reg_, 0xff, value_) + +#endif /* _GALILEO_REG_ACCESS_H_ */ |