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Diffstat (limited to 'lib/rp2040/hardware/regs/i2c.h')
| -rw-r--r-- | lib/rp2040/hardware/regs/i2c.h | 2639 |
1 files changed, 2639 insertions, 0 deletions
diff --git a/lib/rp2040/hardware/regs/i2c.h b/lib/rp2040/hardware/regs/i2c.h new file mode 100644 index 00000000..9384bed0 --- /dev/null +++ b/lib/rp2040/hardware/regs/i2c.h @@ -0,0 +1,2639 @@ +/** + * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +// ============================================================================= +// Register block : I2C +// Version : 1 +// Bus type : apb +// Description : DW_apb_i2c address block +// ============================================================================= +#ifndef HARDWARE_REGS_I2C_DEFINED +#define HARDWARE_REGS_I2C_DEFINED +// ============================================================================= +// Register : I2C_IC_CON +// Description : I2C Control Register. This register can be written only when +// the DW_apb_i2c is disabled, which corresponds to the +// IC_ENABLE[0] register being set to 0. Writes at other times +// have no effect. +// +// Read/Write Access: - bit 10 is read only. - bit 11 is read only +// - bit 16 is read only - bit 17 is read only - bits 18 and 19 +// are read only. +#define I2C_IC_CON_OFFSET _u(0x00000000) +#define I2C_IC_CON_BITS _u(0x000007ff) +#define I2C_IC_CON_RESET _u(0x00000065) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE +// Description : Master issues the STOP_DET interrupt irrespective of whether +// master is active or not +#define I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE_RESET _u(0x0) +#define I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE_BITS _u(0x00000400) +#define I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE_MSB _u(10) +#define I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE_LSB _u(10) +#define I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL +// Description : This bit controls whether DW_apb_i2c should hold the bus when +// the Rx FIFO is physically full to its RX_BUFFER_DEPTH, as +// described in the IC_RX_FULL_HLD_BUS_EN parameter. +// +// Reset value: 0x0. +// 0x0 -> Overflow when RX_FIFO is full +// 0x1 -> Hold bus when RX_FIFO is full +#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_RESET _u(0x0) +#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_BITS _u(0x00000200) +#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_MSB _u(9) +#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_LSB _u(9) +#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_ACCESS "RW" +#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_VALUE_DISABLED _u(0x0) +#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_VALUE_ENABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CON_TX_EMPTY_CTRL +// Description : This bit controls the generation of the TX_EMPTY interrupt, as +// described in the IC_RAW_INTR_STAT register. +// +// Reset value: 0x0. +// 0x0 -> Default behaviour of TX_EMPTY interrupt +// 0x1 -> Controlled generation of TX_EMPTY interrupt +#define I2C_IC_CON_TX_EMPTY_CTRL_RESET _u(0x0) +#define I2C_IC_CON_TX_EMPTY_CTRL_BITS _u(0x00000100) +#define I2C_IC_CON_TX_EMPTY_CTRL_MSB _u(8) +#define I2C_IC_CON_TX_EMPTY_CTRL_LSB _u(8) +#define I2C_IC_CON_TX_EMPTY_CTRL_ACCESS "RW" +#define I2C_IC_CON_TX_EMPTY_CTRL_VALUE_DISABLED _u(0x0) +#define I2C_IC_CON_TX_EMPTY_CTRL_VALUE_ENABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CON_STOP_DET_IFADDRESSED +// Description : In slave mode: - 1'b1: issues the STOP_DET interrupt only when +// it is addressed. - 1'b0: issues the STOP_DET irrespective of +// whether it's addressed or not. Reset value: 0x0 +// +// NOTE: During a general call address, this slave does not issue +// the STOP_DET interrupt if STOP_DET_IF_ADDRESSED = 1'b1, even if +// the slave responds to the general call address by generating +// ACK. The STOP_DET interrupt is generated only when the +// transmitted address matches the slave address (SAR). +// 0x0 -> slave issues STOP_DET intr always +// 0x1 -> slave issues STOP_DET intr only if addressed +#define I2C_IC_CON_STOP_DET_IFADDRESSED_RESET _u(0x0) +#define I2C_IC_CON_STOP_DET_IFADDRESSED_BITS _u(0x00000080) +#define I2C_IC_CON_STOP_DET_IFADDRESSED_MSB _u(7) +#define I2C_IC_CON_STOP_DET_IFADDRESSED_LSB _u(7) +#define I2C_IC_CON_STOP_DET_IFADDRESSED_ACCESS "RW" +#define I2C_IC_CON_STOP_DET_IFADDRESSED_VALUE_DISABLED _u(0x0) +#define I2C_IC_CON_STOP_DET_IFADDRESSED_VALUE_ENABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CON_IC_SLAVE_DISABLE +// Description : This bit controls whether I2C has its slave disabled, which +// means once the presetn signal is applied, then this bit is set +// and the slave is disabled. +// +// If this bit is set (slave is disabled), DW_apb_i2c functions +// only as a master and does not perform any action that requires +// a slave. +// +// NOTE: Software should ensure that if this bit is written with +// 0, then bit 0 should also be written with a 0. +// 0x0 -> Slave mode is enabled +// 0x1 -> Slave mode is disabled +#define I2C_IC_CON_IC_SLAVE_DISABLE_RESET _u(0x1) +#define I2C_IC_CON_IC_SLAVE_DISABLE_BITS _u(0x00000040) +#define I2C_IC_CON_IC_SLAVE_DISABLE_MSB _u(6) +#define I2C_IC_CON_IC_SLAVE_DISABLE_LSB _u(6) +#define I2C_IC_CON_IC_SLAVE_DISABLE_ACCESS "RW" +#define I2C_IC_CON_IC_SLAVE_DISABLE_VALUE_SLAVE_ENABLED _u(0x0) +#define I2C_IC_CON_IC_SLAVE_DISABLE_VALUE_SLAVE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CON_IC_RESTART_EN +// Description : Determines whether RESTART conditions may be sent when acting +// as a master. Some older slaves do not support handling RESTART +// conditions; however, RESTART conditions are used in several +// DW_apb_i2c operations. When RESTART is disabled, the master is +// prohibited from performing the following functions: - Sending a +// START BYTE - Performing any high-speed mode operation - +// High-speed mode operation - Performing direction changes in +// combined format mode - Performing a read operation with a +// 10-bit address By replacing RESTART condition followed by a +// STOP and a subsequent START condition, split operations are +// broken down into multiple DW_apb_i2c transfers. If the above +// operations are performed, it will result in setting bit 6 +// (TX_ABRT) of the IC_RAW_INTR_STAT register. +// +// Reset value: ENABLED +// 0x0 -> Master restart disabled +// 0x1 -> Master restart enabled +#define I2C_IC_CON_IC_RESTART_EN_RESET _u(0x1) +#define I2C_IC_CON_IC_RESTART_EN_BITS _u(0x00000020) +#define I2C_IC_CON_IC_RESTART_EN_MSB _u(5) +#define I2C_IC_CON_IC_RESTART_EN_LSB _u(5) +#define I2C_IC_CON_IC_RESTART_EN_ACCESS "RW" +#define I2C_IC_CON_IC_RESTART_EN_VALUE_DISABLED _u(0x0) +#define I2C_IC_CON_IC_RESTART_EN_VALUE_ENABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CON_IC_10BITADDR_MASTER +// Description : Controls whether the DW_apb_i2c starts its transfers in 7- or +// 10-bit addressing mode when acting as a master. - 0: 7-bit +// addressing - 1: 10-bit addressing +// 0x0 -> Master 7Bit addressing mode +// 0x1 -> Master 10Bit addressing mode +#define I2C_IC_CON_IC_10BITADDR_MASTER_RESET _u(0x0) +#define I2C_IC_CON_IC_10BITADDR_MASTER_BITS _u(0x00000010) +#define I2C_IC_CON_IC_10BITADDR_MASTER_MSB _u(4) +#define I2C_IC_CON_IC_10BITADDR_MASTER_LSB _u(4) +#define I2C_IC_CON_IC_10BITADDR_MASTER_ACCESS "RW" +#define I2C_IC_CON_IC_10BITADDR_MASTER_VALUE_ADDR_7BITS _u(0x0) +#define I2C_IC_CON_IC_10BITADDR_MASTER_VALUE_ADDR_10BITS _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CON_IC_10BITADDR_SLAVE +// Description : When acting as a slave, this bit controls whether the +// DW_apb_i2c responds to 7- or 10-bit addresses. - 0: 7-bit +// addressing. The DW_apb_i2c ignores transactions that involve +// 10-bit addressing; for 7-bit addressing, only the lower 7 bits +// of the IC_SAR register are compared. - 1: 10-bit addressing. +// The DW_apb_i2c responds to only 10-bit addressing transfers +// that match the full 10 bits of the IC_SAR register. +// 0x0 -> Slave 7Bit addressing +// 0x1 -> Slave 10Bit addressing +#define I2C_IC_CON_IC_10BITADDR_SLAVE_RESET _u(0x0) +#define I2C_IC_CON_IC_10BITADDR_SLAVE_BITS _u(0x00000008) +#define I2C_IC_CON_IC_10BITADDR_SLAVE_MSB _u(3) +#define I2C_IC_CON_IC_10BITADDR_SLAVE_LSB _u(3) +#define I2C_IC_CON_IC_10BITADDR_SLAVE_ACCESS "RW" +#define I2C_IC_CON_IC_10BITADDR_SLAVE_VALUE_ADDR_7BITS _u(0x0) +#define I2C_IC_CON_IC_10BITADDR_SLAVE_VALUE_ADDR_10BITS _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CON_SPEED +// Description : These bits control at which speed the DW_apb_i2c operates; its +// setting is relevant only if one is operating the DW_apb_i2c in +// master mode. Hardware protects against illegal values being +// programmed by software. These bits must be programmed +// appropriately for slave mode also, as it is used to capture +// correct value of spike filter as per the speed mode. +// +// This register should be programmed only with a value in the +// range of 1 to IC_MAX_SPEED_MODE; otherwise, hardware updates +// this register with the value of IC_MAX_SPEED_MODE. +// +// 1: standard mode (100 kbit/s) +// +// 2: fast mode (<=400 kbit/s) or fast mode plus (<=1000Kbit/s) +// +// 3: high speed mode (3.4 Mbit/s) +// +// Note: This field is not applicable when IC_ULTRA_FAST_MODE=1 +// 0x1 -> Standard Speed mode of operation +// 0x2 -> Fast or Fast Plus mode of operation +// 0x3 -> High Speed mode of operation +#define I2C_IC_CON_SPEED_RESET _u(0x2) +#define I2C_IC_CON_SPEED_BITS _u(0x00000006) +#define I2C_IC_CON_SPEED_MSB _u(2) +#define I2C_IC_CON_SPEED_LSB _u(1) +#define I2C_IC_CON_SPEED_ACCESS "RW" +#define I2C_IC_CON_SPEED_VALUE_STANDARD _u(0x1) +#define I2C_IC_CON_SPEED_VALUE_FAST _u(0x2) +#define I2C_IC_CON_SPEED_VALUE_HIGH _u(0x3) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CON_MASTER_MODE +// Description : This bit controls whether the DW_apb_i2c master is enabled. +// +// NOTE: Software should ensure that if this bit is written with +// '1' then bit 6 should also be written with a '1'. +// 0x0 -> Master mode is disabled +// 0x1 -> Master mode is enabled +#define I2C_IC_CON_MASTER_MODE_RESET _u(0x1) +#define I2C_IC_CON_MASTER_MODE_BITS _u(0x00000001) +#define I2C_IC_CON_MASTER_MODE_MSB _u(0) +#define I2C_IC_CON_MASTER_MODE_LSB _u(0) +#define I2C_IC_CON_MASTER_MODE_ACCESS "RW" +#define I2C_IC_CON_MASTER_MODE_VALUE_DISABLED _u(0x0) +#define I2C_IC_CON_MASTER_MODE_VALUE_ENABLED _u(0x1) +// ============================================================================= +// Register : I2C_IC_TAR +// Description : I2C Target Address Register +// +// This register is 12 bits wide, and bits 31:12 are reserved. +// This register can be written to only when IC_ENABLE[0] is set +// to 0. +// +// Note: If the software or application is aware that the +// DW_apb_i2c is not using the TAR address for the pending +// commands in the Tx FIFO, then it is possible to update the TAR +// address even while the Tx FIFO has entries (IC_STATUS[2]= 0). - +// It is not necessary to perform any write to this register if +// DW_apb_i2c is enabled as an I2C slave only. +#define I2C_IC_TAR_OFFSET _u(0x00000004) +#define I2C_IC_TAR_BITS _u(0x00000fff) +#define I2C_IC_TAR_RESET _u(0x00000055) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TAR_SPECIAL +// Description : This bit indicates whether software performs a Device-ID or +// General Call or START BYTE command. - 0: ignore bit 10 +// GC_OR_START and use IC_TAR normally - 1: perform special I2C +// command as specified in Device_ID or GC_OR_START bit Reset +// value: 0x0 +// 0x0 -> Disables programming of GENERAL_CALL or START_BYTE +// transmission +// 0x1 -> Enables programming of GENERAL_CALL or START_BYTE +// transmission +#define I2C_IC_TAR_SPECIAL_RESET _u(0x0) +#define I2C_IC_TAR_SPECIAL_BITS _u(0x00000800) +#define I2C_IC_TAR_SPECIAL_MSB _u(11) +#define I2C_IC_TAR_SPECIAL_LSB _u(11) +#define I2C_IC_TAR_SPECIAL_ACCESS "RW" +#define I2C_IC_TAR_SPECIAL_VALUE_DISABLED _u(0x0) +#define I2C_IC_TAR_SPECIAL_VALUE_ENABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TAR_GC_OR_START +// Description : If bit 11 (SPECIAL) is set to 1 and bit 13(Device-ID) is set to +// 0, then this bit indicates whether a General Call or START byte +// command is to be performed by the DW_apb_i2c. - 0: General Call +// Address - after issuing a General Call, only writes may be +// performed. Attempting to issue a read command results in +// setting bit 6 (TX_ABRT) of the IC_RAW_INTR_STAT register. The +// DW_apb_i2c remains in General Call mode until the SPECIAL bit +// value (bit 11) is cleared. - 1: START BYTE Reset value: 0x0 +// 0x0 -> GENERAL_CALL byte transmission +// 0x1 -> START byte transmission +#define I2C_IC_TAR_GC_OR_START_RESET _u(0x0) +#define I2C_IC_TAR_GC_OR_START_BITS _u(0x00000400) +#define I2C_IC_TAR_GC_OR_START_MSB _u(10) +#define I2C_IC_TAR_GC_OR_START_LSB _u(10) +#define I2C_IC_TAR_GC_OR_START_ACCESS "RW" +#define I2C_IC_TAR_GC_OR_START_VALUE_GENERAL_CALL _u(0x0) +#define I2C_IC_TAR_GC_OR_START_VALUE_START_BYTE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TAR_IC_TAR +// Description : This is the target address for any master transaction. When +// transmitting a General Call, these bits are ignored. To +// generate a START BYTE, the CPU needs to write only once into +// these bits. +// +// If the IC_TAR and IC_SAR are the same, loopback exists but the +// FIFOs are shared between master and slave, so full loopback is +// not feasible. Only one direction loopback mode is supported +// (simplex), not duplex. A master cannot transmit to itself; it +// can transmit to only a slave. +#define I2C_IC_TAR_IC_TAR_RESET _u(0x055) +#define I2C_IC_TAR_IC_TAR_BITS _u(0x000003ff) +#define I2C_IC_TAR_IC_TAR_MSB _u(9) +#define I2C_IC_TAR_IC_TAR_LSB _u(0) +#define I2C_IC_TAR_IC_TAR_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_SAR +// Description : I2C Slave Address Register +#define I2C_IC_SAR_OFFSET _u(0x00000008) +#define I2C_IC_SAR_BITS _u(0x000003ff) +#define I2C_IC_SAR_RESET _u(0x00000055) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_SAR_IC_SAR +// Description : The IC_SAR holds the slave address when the I2C is operating as +// a slave. For 7-bit addressing, only IC_SAR[6:0] is used. +// +// This register can be written only when the I2C interface is +// disabled, which corresponds to the IC_ENABLE[0] register being +// set to 0. Writes at other times have no effect. +// +// Note: The default values cannot be any of the reserved address +// locations: that is, 0x00 to 0x07, or 0x78 to 0x7f. The correct +// operation of the device is not guaranteed if you program the +// IC_SAR or IC_TAR to a reserved value. Refer to +// <<table_I2C_firstbyte_bit_defs>> for a complete list of these +// reserved values. +#define I2C_IC_SAR_IC_SAR_RESET _u(0x055) +#define I2C_IC_SAR_IC_SAR_BITS _u(0x000003ff) +#define I2C_IC_SAR_IC_SAR_MSB _u(9) +#define I2C_IC_SAR_IC_SAR_LSB _u(0) +#define I2C_IC_SAR_IC_SAR_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_DATA_CMD +// Description : I2C Rx/Tx Data Buffer and Command Register; this is the +// register the CPU writes to when filling the TX FIFO and the CPU +// reads from when retrieving bytes from RX FIFO. +// +// The size of the register changes as follows: +// +// Write: - 11 bits when IC_EMPTYFIFO_HOLD_MASTER_EN=1 - 9 bits +// when IC_EMPTYFIFO_HOLD_MASTER_EN=0 Read: - 12 bits when +// IC_FIRST_DATA_BYTE_STATUS = 1 - 8 bits when +// IC_FIRST_DATA_BYTE_STATUS = 0 Note: In order for the DW_apb_i2c +// to continue acknowledging reads, a read command should be +// written for every byte that is to be received; otherwise the +// DW_apb_i2c will stop acknowledging. +#define I2C_IC_DATA_CMD_OFFSET _u(0x00000010) +#define I2C_IC_DATA_CMD_BITS _u(0x00000fff) +#define I2C_IC_DATA_CMD_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_DATA_CMD_FIRST_DATA_BYTE +// Description : Indicates the first data byte received after the address phase +// for receive transfer in Master receiver or Slave receiver mode. +// +// Reset value : 0x0 +// +// NOTE: In case of APB_DATA_WIDTH=8, +// +// 1. The user has to perform two APB Reads to IC_DATA_CMD in +// order to get status on 11 bit. +// +// 2. In order to read the 11 bit, the user has to perform the +// first data byte read [7:0] (offset 0x10) and then perform the +// second read [15:8] (offset 0x11) in order to know the status of +// 11 bit (whether the data received in previous read is a first +// data byte or not). +// +// 3. The 11th bit is an optional read field, user can ignore 2nd +// byte read [15:8] (offset 0x11) if not interested in +// FIRST_DATA_BYTE status. +// 0x0 -> Sequential data byte received +// 0x1 -> Non sequential data byte received +#define I2C_IC_DATA_CMD_FIRST_DATA_BYTE_RESET _u(0x0) +#define I2C_IC_DATA_CMD_FIRST_DATA_BYTE_BITS _u(0x00000800) +#define I2C_IC_DATA_CMD_FIRST_DATA_BYTE_MSB _u(11) +#define I2C_IC_DATA_CMD_FIRST_DATA_BYTE_LSB _u(11) +#define I2C_IC_DATA_CMD_FIRST_DATA_BYTE_ACCESS "RO" +#define I2C_IC_DATA_CMD_FIRST_DATA_BYTE_VALUE_INACTIVE _u(0x0) +#define I2C_IC_DATA_CMD_FIRST_DATA_BYTE_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_DATA_CMD_RESTART +// Description : This bit controls whether a RESTART is issued before the byte +// is sent or received. +// +// 1 - If IC_RESTART_EN is 1, a RESTART is issued before the data +// is sent/received (according to the value of CMD), regardless of +// whether or not the transfer direction is changing from the +// previous command; if IC_RESTART_EN is 0, a STOP followed by a +// START is issued instead. +// +// 0 - If IC_RESTART_EN is 1, a RESTART is issued only if the +// transfer direction is changing from the previous command; if +// IC_RESTART_EN is 0, a STOP followed by a START is issued +// instead. +// +// Reset value: 0x0 +// 0x0 -> Don't Issue RESTART before this command +// 0x1 -> Issue RESTART before this command +#define I2C_IC_DATA_CMD_RESTART_RESET _u(0x0) +#define I2C_IC_DATA_CMD_RESTART_BITS _u(0x00000400) +#define I2C_IC_DATA_CMD_RESTART_MSB _u(10) +#define I2C_IC_DATA_CMD_RESTART_LSB _u(10) +#define I2C_IC_DATA_CMD_RESTART_ACCESS "SC" +#define I2C_IC_DATA_CMD_RESTART_VALUE_DISABLE _u(0x0) +#define I2C_IC_DATA_CMD_RESTART_VALUE_ENABLE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_DATA_CMD_STOP +// Description : This bit controls whether a STOP is issued after the byte is +// sent or received. +// +// - 1 - STOP is issued after this byte, regardless of whether or +// not the Tx FIFO is empty. If the Tx FIFO is not empty, the +// master immediately tries to start a new transfer by issuing a +// START and arbitrating for the bus. - 0 - STOP is not issued +// after this byte, regardless of whether or not the Tx FIFO is +// empty. If the Tx FIFO is not empty, the master continues the +// current transfer by sending/receiving data bytes according to +// the value of the CMD bit. If the Tx FIFO is empty, the master +// holds the SCL line low and stalls the bus until a new command +// is available in the Tx FIFO. Reset value: 0x0 +// 0x0 -> Don't Issue STOP after this command +// 0x1 -> Issue STOP after this command +#define I2C_IC_DATA_CMD_STOP_RESET _u(0x0) +#define I2C_IC_DATA_CMD_STOP_BITS _u(0x00000200) +#define I2C_IC_DATA_CMD_STOP_MSB _u(9) +#define I2C_IC_DATA_CMD_STOP_LSB _u(9) +#define I2C_IC_DATA_CMD_STOP_ACCESS "SC" +#define I2C_IC_DATA_CMD_STOP_VALUE_DISABLE _u(0x0) +#define I2C_IC_DATA_CMD_STOP_VALUE_ENABLE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_DATA_CMD_CMD +// Description : This bit controls whether a read or a write is performed. This +// bit does not control the direction when the DW_apb_i2con acts +// as a slave. It controls only the direction when it acts as a +// master. +// +// When a command is entered in the TX FIFO, this bit +// distinguishes the write and read commands. In slave-receiver +// mode, this bit is a 'don't care' because writes to this +// register are not required. In slave-transmitter mode, a '0' +// indicates that the data in IC_DATA_CMD is to be transmitted. +// +// When programming this bit, you should remember the following: +// attempting to perform a read operation after a General Call +// command has been sent results in a TX_ABRT interrupt (bit 6 of +// the IC_RAW_INTR_STAT register), unless bit 11 (SPECIAL) in the +// IC_TAR register has been cleared. If a '1' is written to this +// bit after receiving a RD_REQ interrupt, then a TX_ABRT +// interrupt occurs. +// +// Reset value: 0x0 +// 0x0 -> Master Write Command +// 0x1 -> Master Read Command +#define I2C_IC_DATA_CMD_CMD_RESET _u(0x0) +#define I2C_IC_DATA_CMD_CMD_BITS _u(0x00000100) +#define I2C_IC_DATA_CMD_CMD_MSB _u(8) +#define I2C_IC_DATA_CMD_CMD_LSB _u(8) +#define I2C_IC_DATA_CMD_CMD_ACCESS "SC" +#define I2C_IC_DATA_CMD_CMD_VALUE_WRITE _u(0x0) +#define I2C_IC_DATA_CMD_CMD_VALUE_READ _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_DATA_CMD_DAT +// Description : This register contains the data to be transmitted or received +// on the I2C bus. If you are writing to this register and want to +// perform a read, bits 7:0 (DAT) are ignored by the DW_apb_i2c. +// However, when you read this register, these bits return the +// value of data received on the DW_apb_i2c interface. +// +// Reset value: 0x0 +#define I2C_IC_DATA_CMD_DAT_RESET _u(0x00) +#define I2C_IC_DATA_CMD_DAT_BITS _u(0x000000ff) +#define I2C_IC_DATA_CMD_DAT_MSB _u(7) +#define I2C_IC_DATA_CMD_DAT_LSB _u(0) +#define I2C_IC_DATA_CMD_DAT_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_SS_SCL_HCNT +// Description : Standard Speed I2C Clock SCL High Count Register +#define I2C_IC_SS_SCL_HCNT_OFFSET _u(0x00000014) +#define I2C_IC_SS_SCL_HCNT_BITS _u(0x0000ffff) +#define I2C_IC_SS_SCL_HCNT_RESET _u(0x00000028) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_SS_SCL_HCNT_IC_SS_SCL_HCNT +// Description : This register must be set before any I2C bus transaction can +// take place to ensure proper I/O timing. This register sets the +// SCL clock high-period count for standard speed. For more +// information, refer to 'IC_CLK Frequency Configuration'. +// +// This register can be written only when the I2C interface is +// disabled which corresponds to the IC_ENABLE[0] register being +// set to 0. Writes at other times have no effect. +// +// The minimum valid value is 6; hardware prevents values less +// than this being written, and if attempted results in 6 being +// set. For designs with APB_DATA_WIDTH = 8, the order of +// programming is important to ensure the correct operation of the +// DW_apb_i2c. The lower byte must be programmed first. Then the +// upper byte is programmed. +// +// NOTE: This register must not be programmed to a value higher +// than 65525, because DW_apb_i2c uses a 16-bit counter to flag an +// I2C bus idle condition when this counter reaches a value of +// IC_SS_SCL_HCNT + 10. +#define I2C_IC_SS_SCL_HCNT_IC_SS_SCL_HCNT_RESET _u(0x0028) +#define I2C_IC_SS_SCL_HCNT_IC_SS_SCL_HCNT_BITS _u(0x0000ffff) +#define I2C_IC_SS_SCL_HCNT_IC_SS_SCL_HCNT_MSB _u(15) +#define I2C_IC_SS_SCL_HCNT_IC_SS_SCL_HCNT_LSB _u(0) +#define I2C_IC_SS_SCL_HCNT_IC_SS_SCL_HCNT_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_SS_SCL_LCNT +// Description : Standard Speed I2C Clock SCL Low Count Register +#define I2C_IC_SS_SCL_LCNT_OFFSET _u(0x00000018) +#define I2C_IC_SS_SCL_LCNT_BITS _u(0x0000ffff) +#define I2C_IC_SS_SCL_LCNT_RESET _u(0x0000002f) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_SS_SCL_LCNT_IC_SS_SCL_LCNT +// Description : This register must be set before any I2C bus transaction can +// take place to ensure proper I/O timing. This register sets the +// SCL clock low period count for standard speed. For more +// information, refer to 'IC_CLK Frequency Configuration' +// +// This register can be written only when the I2C interface is +// disabled which corresponds to the IC_ENABLE[0] register being +// set to 0. Writes at other times have no effect. +// +// The minimum valid value is 8; hardware prevents values less +// than this being written, and if attempted, results in 8 being +// set. For designs with APB_DATA_WIDTH = 8, the order of +// programming is important to ensure the correct operation of +// DW_apb_i2c. The lower byte must be programmed first, and then +// the upper byte is programmed. +#define I2C_IC_SS_SCL_LCNT_IC_SS_SCL_LCNT_RESET _u(0x002f) +#define I2C_IC_SS_SCL_LCNT_IC_SS_SCL_LCNT_BITS _u(0x0000ffff) +#define I2C_IC_SS_SCL_LCNT_IC_SS_SCL_LCNT_MSB _u(15) +#define I2C_IC_SS_SCL_LCNT_IC_SS_SCL_LCNT_LSB _u(0) +#define I2C_IC_SS_SCL_LCNT_IC_SS_SCL_LCNT_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_FS_SCL_HCNT +// Description : Fast Mode or Fast Mode Plus I2C Clock SCL High Count Register +#define I2C_IC_FS_SCL_HCNT_OFFSET _u(0x0000001c) +#define I2C_IC_FS_SCL_HCNT_BITS _u(0x0000ffff) +#define I2C_IC_FS_SCL_HCNT_RESET _u(0x00000006) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_FS_SCL_HCNT_IC_FS_SCL_HCNT +// Description : This register must be set before any I2C bus transaction can +// take place to ensure proper I/O timing. This register sets the +// SCL clock high-period count for fast mode or fast mode plus. It +// is used in high-speed mode to send the Master Code and START +// BYTE or General CALL. For more information, refer to 'IC_CLK +// Frequency Configuration'. +// +// This register goes away and becomes read-only returning 0s if +// IC_MAX_SPEED_MODE = standard. This register can be written only +// when the I2C interface is disabled, which corresponds to the +// IC_ENABLE[0] register being set to 0. Writes at other times +// have no effect. +// +// The minimum valid value is 6; hardware prevents values less +// than this being written, and if attempted results in 6 being +// set. For designs with APB_DATA_WIDTH == 8 the order of +// programming is important to ensure the correct operation of the +// DW_apb_i2c. The lower byte must be programmed first. Then the +// upper byte is programmed. +#define I2C_IC_FS_SCL_HCNT_IC_FS_SCL_HCNT_RESET _u(0x0006) +#define I2C_IC_FS_SCL_HCNT_IC_FS_SCL_HCNT_BITS _u(0x0000ffff) +#define I2C_IC_FS_SCL_HCNT_IC_FS_SCL_HCNT_MSB _u(15) +#define I2C_IC_FS_SCL_HCNT_IC_FS_SCL_HCNT_LSB _u(0) +#define I2C_IC_FS_SCL_HCNT_IC_FS_SCL_HCNT_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_FS_SCL_LCNT +// Description : Fast Mode or Fast Mode Plus I2C Clock SCL Low Count Register +#define I2C_IC_FS_SCL_LCNT_OFFSET _u(0x00000020) +#define I2C_IC_FS_SCL_LCNT_BITS _u(0x0000ffff) +#define I2C_IC_FS_SCL_LCNT_RESET _u(0x0000000d) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_FS_SCL_LCNT_IC_FS_SCL_LCNT +// Description : This register must be set before any I2C bus transaction can +// take place to ensure proper I/O timing. This register sets the +// SCL clock low period count for fast speed. It is used in +// high-speed mode to send the Master Code and START BYTE or +// General CALL. For more information, refer to 'IC_CLK Frequency +// Configuration'. +// +// This register goes away and becomes read-only returning 0s if +// IC_MAX_SPEED_MODE = standard. +// +// This register can be written only when the I2C interface is +// disabled, which corresponds to the IC_ENABLE[0] register being +// set to 0. Writes at other times have no effect. +// +// The minimum valid value is 8; hardware prevents values less +// than this being written, and if attempted results in 8 being +// set. For designs with APB_DATA_WIDTH = 8 the order of +// programming is important to ensure the correct operation of the +// DW_apb_i2c. The lower byte must be programmed first. Then the +// upper byte is programmed. If the value is less than 8 then the +// count value gets changed to 8. +#define I2C_IC_FS_SCL_LCNT_IC_FS_SCL_LCNT_RESET _u(0x000d) +#define I2C_IC_FS_SCL_LCNT_IC_FS_SCL_LCNT_BITS _u(0x0000ffff) +#define I2C_IC_FS_SCL_LCNT_IC_FS_SCL_LCNT_MSB _u(15) +#define I2C_IC_FS_SCL_LCNT_IC_FS_SCL_LCNT_LSB _u(0) +#define I2C_IC_FS_SCL_LCNT_IC_FS_SCL_LCNT_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_INTR_STAT +// Description : I2C Interrupt Status Register +// +// Each bit in this register has a corresponding mask bit in the +// IC_INTR_MASK register. These bits are cleared by reading the +// matching interrupt clear register. The unmasked raw versions of +// these bits are available in the IC_RAW_INTR_STAT register. +#define I2C_IC_INTR_STAT_OFFSET _u(0x0000002c) +#define I2C_IC_INTR_STAT_BITS _u(0x00001fff) +#define I2C_IC_INTR_STAT_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_RESTART_DET +// Description : See IC_RAW_INTR_STAT for a detailed description of +// R_RESTART_DET bit. +// +// Reset value: 0x0 +// 0x0 -> R_RESTART_DET interrupt is inactive +// 0x1 -> R_RESTART_DET interrupt is active +#define I2C_IC_INTR_STAT_R_RESTART_DET_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_RESTART_DET_BITS _u(0x00001000) +#define I2C_IC_INTR_STAT_R_RESTART_DET_MSB _u(12) +#define I2C_IC_INTR_STAT_R_RESTART_DET_LSB _u(12) +#define I2C_IC_INTR_STAT_R_RESTART_DET_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_RESTART_DET_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_RESTART_DET_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_GEN_CALL +// Description : See IC_RAW_INTR_STAT for a detailed description of R_GEN_CALL +// bit. +// +// Reset value: 0x0 +// 0x0 -> R_GEN_CALL interrupt is inactive +// 0x1 -> R_GEN_CALL interrupt is active +#define I2C_IC_INTR_STAT_R_GEN_CALL_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_GEN_CALL_BITS _u(0x00000800) +#define I2C_IC_INTR_STAT_R_GEN_CALL_MSB _u(11) +#define I2C_IC_INTR_STAT_R_GEN_CALL_LSB _u(11) +#define I2C_IC_INTR_STAT_R_GEN_CALL_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_GEN_CALL_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_GEN_CALL_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_START_DET +// Description : See IC_RAW_INTR_STAT for a detailed description of R_START_DET +// bit. +// +// Reset value: 0x0 +// 0x0 -> R_START_DET interrupt is inactive +// 0x1 -> R_START_DET interrupt is active +#define I2C_IC_INTR_STAT_R_START_DET_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_START_DET_BITS _u(0x00000400) +#define I2C_IC_INTR_STAT_R_START_DET_MSB _u(10) +#define I2C_IC_INTR_STAT_R_START_DET_LSB _u(10) +#define I2C_IC_INTR_STAT_R_START_DET_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_START_DET_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_START_DET_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_STOP_DET +// Description : See IC_RAW_INTR_STAT for a detailed description of R_STOP_DET +// bit. +// +// Reset value: 0x0 +// 0x0 -> R_STOP_DET interrupt is inactive +// 0x1 -> R_STOP_DET interrupt is active +#define I2C_IC_INTR_STAT_R_STOP_DET_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_STOP_DET_BITS _u(0x00000200) +#define I2C_IC_INTR_STAT_R_STOP_DET_MSB _u(9) +#define I2C_IC_INTR_STAT_R_STOP_DET_LSB _u(9) +#define I2C_IC_INTR_STAT_R_STOP_DET_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_STOP_DET_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_STOP_DET_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_ACTIVITY +// Description : See IC_RAW_INTR_STAT for a detailed description of R_ACTIVITY +// bit. +// +// Reset value: 0x0 +// 0x0 -> R_ACTIVITY interrupt is inactive +// 0x1 -> R_ACTIVITY interrupt is active +#define I2C_IC_INTR_STAT_R_ACTIVITY_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_ACTIVITY_BITS _u(0x00000100) +#define I2C_IC_INTR_STAT_R_ACTIVITY_MSB _u(8) +#define I2C_IC_INTR_STAT_R_ACTIVITY_LSB _u(8) +#define I2C_IC_INTR_STAT_R_ACTIVITY_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_ACTIVITY_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_ACTIVITY_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_RX_DONE +// Description : See IC_RAW_INTR_STAT for a detailed description of R_RX_DONE +// bit. +// +// Reset value: 0x0 +// 0x0 -> R_RX_DONE interrupt is inactive +// 0x1 -> R_RX_DONE interrupt is active +#define I2C_IC_INTR_STAT_R_RX_DONE_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_RX_DONE_BITS _u(0x00000080) +#define I2C_IC_INTR_STAT_R_RX_DONE_MSB _u(7) +#define I2C_IC_INTR_STAT_R_RX_DONE_LSB _u(7) +#define I2C_IC_INTR_STAT_R_RX_DONE_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_RX_DONE_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_RX_DONE_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_TX_ABRT +// Description : See IC_RAW_INTR_STAT for a detailed description of R_TX_ABRT +// bit. +// +// Reset value: 0x0 +// 0x0 -> R_TX_ABRT interrupt is inactive +// 0x1 -> R_TX_ABRT interrupt is active +#define I2C_IC_INTR_STAT_R_TX_ABRT_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_TX_ABRT_BITS _u(0x00000040) +#define I2C_IC_INTR_STAT_R_TX_ABRT_MSB _u(6) +#define I2C_IC_INTR_STAT_R_TX_ABRT_LSB _u(6) +#define I2C_IC_INTR_STAT_R_TX_ABRT_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_TX_ABRT_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_TX_ABRT_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_RD_REQ +// Description : See IC_RAW_INTR_STAT for a detailed description of R_RD_REQ +// bit. +// +// Reset value: 0x0 +// 0x0 -> R_RD_REQ interrupt is inactive +// 0x1 -> R_RD_REQ interrupt is active +#define I2C_IC_INTR_STAT_R_RD_REQ_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_RD_REQ_BITS _u(0x00000020) +#define I2C_IC_INTR_STAT_R_RD_REQ_MSB _u(5) +#define I2C_IC_INTR_STAT_R_RD_REQ_LSB _u(5) +#define I2C_IC_INTR_STAT_R_RD_REQ_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_RD_REQ_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_RD_REQ_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_TX_EMPTY +// Description : See IC_RAW_INTR_STAT for a detailed description of R_TX_EMPTY +// bit. +// +// Reset value: 0x0 +// 0x0 -> R_TX_EMPTY interrupt is inactive +// 0x1 -> R_TX_EMPTY interrupt is active +#define I2C_IC_INTR_STAT_R_TX_EMPTY_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_TX_EMPTY_BITS _u(0x00000010) +#define I2C_IC_INTR_STAT_R_TX_EMPTY_MSB _u(4) +#define I2C_IC_INTR_STAT_R_TX_EMPTY_LSB _u(4) +#define I2C_IC_INTR_STAT_R_TX_EMPTY_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_TX_EMPTY_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_TX_EMPTY_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_TX_OVER +// Description : See IC_RAW_INTR_STAT for a detailed description of R_TX_OVER +// bit. +// +// Reset value: 0x0 +// 0x0 -> R_TX_OVER interrupt is inactive +// 0x1 -> R_TX_OVER interrupt is active +#define I2C_IC_INTR_STAT_R_TX_OVER_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_TX_OVER_BITS _u(0x00000008) +#define I2C_IC_INTR_STAT_R_TX_OVER_MSB _u(3) +#define I2C_IC_INTR_STAT_R_TX_OVER_LSB _u(3) +#define I2C_IC_INTR_STAT_R_TX_OVER_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_TX_OVER_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_TX_OVER_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_RX_FULL +// Description : See IC_RAW_INTR_STAT for a detailed description of R_RX_FULL +// bit. +// +// Reset value: 0x0 +// 0x0 -> R_RX_FULL interrupt is inactive +// 0x1 -> R_RX_FULL interrupt is active +#define I2C_IC_INTR_STAT_R_RX_FULL_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_RX_FULL_BITS _u(0x00000004) +#define I2C_IC_INTR_STAT_R_RX_FULL_MSB _u(2) +#define I2C_IC_INTR_STAT_R_RX_FULL_LSB _u(2) +#define I2C_IC_INTR_STAT_R_RX_FULL_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_RX_FULL_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_RX_FULL_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_RX_OVER +// Description : See IC_RAW_INTR_STAT for a detailed description of R_RX_OVER +// bit. +// +// Reset value: 0x0 +// 0x0 -> R_RX_OVER interrupt is inactive +// 0x1 -> R_RX_OVER interrupt is active +#define I2C_IC_INTR_STAT_R_RX_OVER_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_RX_OVER_BITS _u(0x00000002) +#define I2C_IC_INTR_STAT_R_RX_OVER_MSB _u(1) +#define I2C_IC_INTR_STAT_R_RX_OVER_LSB _u(1) +#define I2C_IC_INTR_STAT_R_RX_OVER_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_RX_OVER_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_RX_OVER_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_STAT_R_RX_UNDER +// Description : See IC_RAW_INTR_STAT for a detailed description of R_RX_UNDER +// bit. +// +// Reset value: 0x0 +// 0x0 -> RX_UNDER interrupt is inactive +// 0x1 -> RX_UNDER interrupt is active +#define I2C_IC_INTR_STAT_R_RX_UNDER_RESET _u(0x0) +#define I2C_IC_INTR_STAT_R_RX_UNDER_BITS _u(0x00000001) +#define I2C_IC_INTR_STAT_R_RX_UNDER_MSB _u(0) +#define I2C_IC_INTR_STAT_R_RX_UNDER_LSB _u(0) +#define I2C_IC_INTR_STAT_R_RX_UNDER_ACCESS "RO" +#define I2C_IC_INTR_STAT_R_RX_UNDER_VALUE_INACTIVE _u(0x0) +#define I2C_IC_INTR_STAT_R_RX_UNDER_VALUE_ACTIVE _u(0x1) +// ============================================================================= +// Register : I2C_IC_INTR_MASK +// Description : I2C Interrupt Mask Register. +// +// These bits mask their corresponding interrupt status bits. This +// register is active low; a value of 0 masks the interrupt, +// whereas a value of 1 unmasks the interrupt. +#define I2C_IC_INTR_MASK_OFFSET _u(0x00000030) +#define I2C_IC_INTR_MASK_BITS _u(0x00001fff) +#define I2C_IC_INTR_MASK_RESET _u(0x000008ff) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_RESTART_DET +// Description : This bit masks the R_RESTART_DET interrupt in IC_INTR_STAT +// register. +// +// Reset value: 0x0 +// 0x0 -> RESTART_DET interrupt is masked +// 0x1 -> RESTART_DET interrupt is unmasked +#define I2C_IC_INTR_MASK_M_RESTART_DET_RESET _u(0x0) +#define I2C_IC_INTR_MASK_M_RESTART_DET_BITS _u(0x00001000) +#define I2C_IC_INTR_MASK_M_RESTART_DET_MSB _u(12) +#define I2C_IC_INTR_MASK_M_RESTART_DET_LSB _u(12) +#define I2C_IC_INTR_MASK_M_RESTART_DET_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_RESTART_DET_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_RESTART_DET_VALUE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_GEN_CALL +// Description : This bit masks the R_GEN_CALL interrupt in IC_INTR_STAT +// register. +// +// Reset value: 0x1 +// 0x0 -> GEN_CALL interrupt is masked +// 0x1 -> GEN_CALL interrupt is unmasked +#define I2C_IC_INTR_MASK_M_GEN_CALL_RESET _u(0x1) +#define I2C_IC_INTR_MASK_M_GEN_CALL_BITS _u(0x00000800) +#define I2C_IC_INTR_MASK_M_GEN_CALL_MSB _u(11) +#define I2C_IC_INTR_MASK_M_GEN_CALL_LSB _u(11) +#define I2C_IC_INTR_MASK_M_GEN_CALL_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_GEN_CALL_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_GEN_CALL_VALUE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_START_DET +// Description : This bit masks the R_START_DET interrupt in IC_INTR_STAT +// register. +// +// Reset value: 0x0 +// 0x0 -> START_DET interrupt is masked +// 0x1 -> START_DET interrupt is unmasked +#define I2C_IC_INTR_MASK_M_START_DET_RESET _u(0x0) +#define I2C_IC_INTR_MASK_M_START_DET_BITS _u(0x00000400) +#define I2C_IC_INTR_MASK_M_START_DET_MSB _u(10) +#define I2C_IC_INTR_MASK_M_START_DET_LSB _u(10) +#define I2C_IC_INTR_MASK_M_START_DET_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_START_DET_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_START_DET_VALUE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_STOP_DET +// Description : This bit masks the R_STOP_DET interrupt in IC_INTR_STAT +// register. +// +// Reset value: 0x0 +// 0x0 -> STOP_DET interrupt is masked +// 0x1 -> STOP_DET interrupt is unmasked +#define I2C_IC_INTR_MASK_M_STOP_DET_RESET _u(0x0) +#define I2C_IC_INTR_MASK_M_STOP_DET_BITS _u(0x00000200) +#define I2C_IC_INTR_MASK_M_STOP_DET_MSB _u(9) +#define I2C_IC_INTR_MASK_M_STOP_DET_LSB _u(9) +#define I2C_IC_INTR_MASK_M_STOP_DET_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_STOP_DET_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_STOP_DET_VALUE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_ACTIVITY +// Description : This bit masks the R_ACTIVITY interrupt in IC_INTR_STAT +// register. +// +// Reset value: 0x0 +// 0x0 -> ACTIVITY interrupt is masked +// 0x1 -> ACTIVITY interrupt is unmasked +#define I2C_IC_INTR_MASK_M_ACTIVITY_RESET _u(0x0) +#define I2C_IC_INTR_MASK_M_ACTIVITY_BITS _u(0x00000100) +#define I2C_IC_INTR_MASK_M_ACTIVITY_MSB _u(8) +#define I2C_IC_INTR_MASK_M_ACTIVITY_LSB _u(8) +#define I2C_IC_INTR_MASK_M_ACTIVITY_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_ACTIVITY_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_ACTIVITY_VALUE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_RX_DONE +// Description : This bit masks the R_RX_DONE interrupt in IC_INTR_STAT +// register. +// +// Reset value: 0x1 +// 0x0 -> RX_DONE interrupt is masked +// 0x1 -> RX_DONE interrupt is unmasked +#define I2C_IC_INTR_MASK_M_RX_DONE_RESET _u(0x1) +#define I2C_IC_INTR_MASK_M_RX_DONE_BITS _u(0x00000080) +#define I2C_IC_INTR_MASK_M_RX_DONE_MSB _u(7) +#define I2C_IC_INTR_MASK_M_RX_DONE_LSB _u(7) +#define I2C_IC_INTR_MASK_M_RX_DONE_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_RX_DONE_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_RX_DONE_VALUE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_TX_ABRT +// Description : This bit masks the R_TX_ABRT interrupt in IC_INTR_STAT +// register. +// +// Reset value: 0x1 +// 0x0 -> TX_ABORT interrupt is masked +// 0x1 -> TX_ABORT interrupt is unmasked +#define I2C_IC_INTR_MASK_M_TX_ABRT_RESET _u(0x1) +#define I2C_IC_INTR_MASK_M_TX_ABRT_BITS _u(0x00000040) +#define I2C_IC_INTR_MASK_M_TX_ABRT_MSB _u(6) +#define I2C_IC_INTR_MASK_M_TX_ABRT_LSB _u(6) +#define I2C_IC_INTR_MASK_M_TX_ABRT_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_TX_ABRT_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_TX_ABRT_VALUE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_RD_REQ +// Description : This bit masks the R_RD_REQ interrupt in IC_INTR_STAT register. +// +// Reset value: 0x1 +// 0x0 -> RD_REQ interrupt is masked +// 0x1 -> RD_REQ interrupt is unmasked +#define I2C_IC_INTR_MASK_M_RD_REQ_RESET _u(0x1) +#define I2C_IC_INTR_MASK_M_RD_REQ_BITS _u(0x00000020) +#define I2C_IC_INTR_MASK_M_RD_REQ_MSB _u(5) +#define I2C_IC_INTR_MASK_M_RD_REQ_LSB _u(5) +#define I2C_IC_INTR_MASK_M_RD_REQ_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_RD_REQ_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_RD_REQ_VALUE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_TX_EMPTY +// Description : This bit masks the R_TX_EMPTY interrupt in IC_INTR_STAT +// register. +// +// Reset value: 0x1 +// 0x0 -> TX_EMPTY interrupt is masked +// 0x1 -> TX_EMPTY interrupt is unmasked +#define I2C_IC_INTR_MASK_M_TX_EMPTY_RESET _u(0x1) +#define I2C_IC_INTR_MASK_M_TX_EMPTY_BITS _u(0x00000010) +#define I2C_IC_INTR_MASK_M_TX_EMPTY_MSB _u(4) +#define I2C_IC_INTR_MASK_M_TX_EMPTY_LSB _u(4) +#define I2C_IC_INTR_MASK_M_TX_EMPTY_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_TX_EMPTY_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_TX_EMPTY_VALUE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_TX_OVER +// Description : This bit masks the R_TX_OVER interrupt in IC_INTR_STAT +// register. +// +// Reset value: 0x1 +// 0x0 -> TX_OVER interrupt is masked +// 0x1 -> TX_OVER interrupt is unmasked +#define I2C_IC_INTR_MASK_M_TX_OVER_RESET _u(0x1) +#define I2C_IC_INTR_MASK_M_TX_OVER_BITS _u(0x00000008) +#define I2C_IC_INTR_MASK_M_TX_OVER_MSB _u(3) +#define I2C_IC_INTR_MASK_M_TX_OVER_LSB _u(3) +#define I2C_IC_INTR_MASK_M_TX_OVER_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_TX_OVER_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_TX_OVER_VALUE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_RX_FULL +// Description : This bit masks the R_RX_FULL interrupt in IC_INTR_STAT +// register. +// +// Reset value: 0x1 +// 0x0 -> RX_FULL interrupt is masked +// 0x1 -> RX_FULL interrupt is unmasked +#define I2C_IC_INTR_MASK_M_RX_FULL_RESET _u(0x1) +#define I2C_IC_INTR_MASK_M_RX_FULL_BITS _u(0x00000004) +#define I2C_IC_INTR_MASK_M_RX_FULL_MSB _u(2) +#define I2C_IC_INTR_MASK_M_RX_FULL_LSB _u(2) +#define I2C_IC_INTR_MASK_M_RX_FULL_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_RX_FULL_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_RX_FULL_VALUE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_RX_OVER +// Description : This bit masks the R_RX_OVER interrupt in IC_INTR_STAT +// register. +// +// Reset value: 0x1 +// 0x0 -> RX_OVER interrupt is masked +// 0x1 -> RX_OVER interrupt is unmasked +#define I2C_IC_INTR_MASK_M_RX_OVER_RESET _u(0x1) +#define I2C_IC_INTR_MASK_M_RX_OVER_BITS _u(0x00000002) +#define I2C_IC_INTR_MASK_M_RX_OVER_MSB _u(1) +#define I2C_IC_INTR_MASK_M_RX_OVER_LSB _u(1) +#define I2C_IC_INTR_MASK_M_RX_OVER_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_RX_OVER_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_RX_OVER_VALUE_DISABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_INTR_MASK_M_RX_UNDER +// Description : This bit masks the R_RX_UNDER interrupt in IC_INTR_STAT +// register. +// +// Reset value: 0x1 +// 0x0 -> RX_UNDER interrupt is masked +// 0x1 -> RX_UNDER interrupt is unmasked +#define I2C_IC_INTR_MASK_M_RX_UNDER_RESET _u(0x1) +#define I2C_IC_INTR_MASK_M_RX_UNDER_BITS _u(0x00000001) +#define I2C_IC_INTR_MASK_M_RX_UNDER_MSB _u(0) +#define I2C_IC_INTR_MASK_M_RX_UNDER_LSB _u(0) +#define I2C_IC_INTR_MASK_M_RX_UNDER_ACCESS "RW" +#define I2C_IC_INTR_MASK_M_RX_UNDER_VALUE_ENABLED _u(0x0) +#define I2C_IC_INTR_MASK_M_RX_UNDER_VALUE_DISABLED _u(0x1) +// ============================================================================= +// Register : I2C_IC_RAW_INTR_STAT +// Description : I2C Raw Interrupt Status Register +// +// Unlike the IC_INTR_STAT register, these bits are not masked so +// they always show the true status of the DW_apb_i2c. +#define I2C_IC_RAW_INTR_STAT_OFFSET _u(0x00000034) +#define I2C_IC_RAW_INTR_STAT_BITS _u(0x00001fff) +#define I2C_IC_RAW_INTR_STAT_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_RESTART_DET +// Description : Indicates whether a RESTART condition has occurred on the I2C +// interface when DW_apb_i2c is operating in Slave mode and the +// slave is being addressed. Enabled only when +// IC_SLV_RESTART_DET_EN=1. +// +// Note: However, in high-speed mode or during a START BYTE +// transfer, the RESTART comes before the address field as per the +// I2C protocol. In this case, the slave is not the addressed +// slave when the RESTART is issued, therefore DW_apb_i2c does not +// generate the RESTART_DET interrupt. +// +// Reset value: 0x0 +// 0x0 -> RESTART_DET interrupt is inactive +// 0x1 -> RESTART_DET interrupt is active +#define I2C_IC_RAW_INTR_STAT_RESTART_DET_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_RESTART_DET_BITS _u(0x00001000) +#define I2C_IC_RAW_INTR_STAT_RESTART_DET_MSB _u(12) +#define I2C_IC_RAW_INTR_STAT_RESTART_DET_LSB _u(12) +#define I2C_IC_RAW_INTR_STAT_RESTART_DET_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_RESTART_DET_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_RESTART_DET_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_GEN_CALL +// Description : Set only when a General Call address is received and it is +// acknowledged. It stays set until it is cleared either by +// disabling DW_apb_i2c or when the CPU reads bit 0 of the +// IC_CLR_GEN_CALL register. DW_apb_i2c stores the received data +// in the Rx buffer. +// +// Reset value: 0x0 +// 0x0 -> GEN_CALL interrupt is inactive +// 0x1 -> GEN_CALL interrupt is active +#define I2C_IC_RAW_INTR_STAT_GEN_CALL_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_GEN_CALL_BITS _u(0x00000800) +#define I2C_IC_RAW_INTR_STAT_GEN_CALL_MSB _u(11) +#define I2C_IC_RAW_INTR_STAT_GEN_CALL_LSB _u(11) +#define I2C_IC_RAW_INTR_STAT_GEN_CALL_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_GEN_CALL_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_GEN_CALL_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_START_DET +// Description : Indicates whether a START or RESTART condition has occurred on +// the I2C interface regardless of whether DW_apb_i2c is operating +// in slave or master mode. +// +// Reset value: 0x0 +// 0x0 -> START_DET interrupt is inactive +// 0x1 -> START_DET interrupt is active +#define I2C_IC_RAW_INTR_STAT_START_DET_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_START_DET_BITS _u(0x00000400) +#define I2C_IC_RAW_INTR_STAT_START_DET_MSB _u(10) +#define I2C_IC_RAW_INTR_STAT_START_DET_LSB _u(10) +#define I2C_IC_RAW_INTR_STAT_START_DET_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_START_DET_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_START_DET_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_STOP_DET +// Description : Indicates whether a STOP condition has occurred on the I2C +// interface regardless of whether DW_apb_i2c is operating in +// slave or master mode. +// +// In Slave Mode: - If IC_CON[7]=1'b1 (STOP_DET_IFADDRESSED), the +// STOP_DET interrupt will be issued only if slave is addressed. +// Note: During a general call address, this slave does not issue +// a STOP_DET interrupt if STOP_DET_IF_ADDRESSED=1'b1, even if the +// slave responds to the general call address by generating ACK. +// The STOP_DET interrupt is generated only when the transmitted +// address matches the slave address (SAR). - If IC_CON[7]=1'b0 +// (STOP_DET_IFADDRESSED), the STOP_DET interrupt is issued +// irrespective of whether it is being addressed. In Master Mode: +// - If IC_CON[10]=1'b1 (STOP_DET_IF_MASTER_ACTIVE),the STOP_DET +// interrupt will be issued only if Master is active. - If +// IC_CON[10]=1'b0 (STOP_DET_IFADDRESSED),the STOP_DET interrupt +// will be issued irrespective of whether master is active or not. +// Reset value: 0x0 +// 0x0 -> STOP_DET interrupt is inactive +// 0x1 -> STOP_DET interrupt is active +#define I2C_IC_RAW_INTR_STAT_STOP_DET_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_STOP_DET_BITS _u(0x00000200) +#define I2C_IC_RAW_INTR_STAT_STOP_DET_MSB _u(9) +#define I2C_IC_RAW_INTR_STAT_STOP_DET_LSB _u(9) +#define I2C_IC_RAW_INTR_STAT_STOP_DET_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_STOP_DET_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_STOP_DET_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_ACTIVITY +// Description : This bit captures DW_apb_i2c activity and stays set until it is +// cleared. There are four ways to clear it: - Disabling the +// DW_apb_i2c - Reading the IC_CLR_ACTIVITY register - Reading the +// IC_CLR_INTR register - System reset Once this bit is set, it +// stays set unless one of the four methods is used to clear it. +// Even if the DW_apb_i2c module is idle, this bit remains set +// until cleared, indicating that there was activity on the bus. +// +// Reset value: 0x0 +// 0x0 -> RAW_INTR_ACTIVITY interrupt is inactive +// 0x1 -> RAW_INTR_ACTIVITY interrupt is active +#define I2C_IC_RAW_INTR_STAT_ACTIVITY_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_ACTIVITY_BITS _u(0x00000100) +#define I2C_IC_RAW_INTR_STAT_ACTIVITY_MSB _u(8) +#define I2C_IC_RAW_INTR_STAT_ACTIVITY_LSB _u(8) +#define I2C_IC_RAW_INTR_STAT_ACTIVITY_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_ACTIVITY_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_ACTIVITY_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_RX_DONE +// Description : When the DW_apb_i2c is acting as a slave-transmitter, this bit +// is set to 1 if the master does not acknowledge a transmitted +// byte. This occurs on the last byte of the transmission, +// indicating that the transmission is done. +// +// Reset value: 0x0 +// 0x0 -> RX_DONE interrupt is inactive +// 0x1 -> RX_DONE interrupt is active +#define I2C_IC_RAW_INTR_STAT_RX_DONE_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_RX_DONE_BITS _u(0x00000080) +#define I2C_IC_RAW_INTR_STAT_RX_DONE_MSB _u(7) +#define I2C_IC_RAW_INTR_STAT_RX_DONE_LSB _u(7) +#define I2C_IC_RAW_INTR_STAT_RX_DONE_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_RX_DONE_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_RX_DONE_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_TX_ABRT +// Description : This bit indicates if DW_apb_i2c, as an I2C transmitter, is +// unable to complete the intended actions on the contents of the +// transmit FIFO. This situation can occur both as an I2C master +// or an I2C slave, and is referred to as a 'transmit abort'. When +// this bit is set to 1, the IC_TX_ABRT_SOURCE register indicates +// the reason why the transmit abort takes places. +// +// Note: The DW_apb_i2c flushes/resets/empties the TX_FIFO and +// RX_FIFO whenever there is a transmit abort caused by any of the +// events tracked by the IC_TX_ABRT_SOURCE register. The FIFOs +// remains in this flushed state until the register IC_CLR_TX_ABRT +// is read. Once this read is performed, the Tx FIFO is then ready +// to accept more data bytes from the APB interface. +// +// Reset value: 0x0 +// 0x0 -> TX_ABRT interrupt is inactive +// 0x1 -> TX_ABRT interrupt is active +#define I2C_IC_RAW_INTR_STAT_TX_ABRT_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_TX_ABRT_BITS _u(0x00000040) +#define I2C_IC_RAW_INTR_STAT_TX_ABRT_MSB _u(6) +#define I2C_IC_RAW_INTR_STAT_TX_ABRT_LSB _u(6) +#define I2C_IC_RAW_INTR_STAT_TX_ABRT_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_TX_ABRT_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_TX_ABRT_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_RD_REQ +// Description : This bit is set to 1 when DW_apb_i2c is acting as a slave and +// another I2C master is attempting to read data from DW_apb_i2c. +// The DW_apb_i2c holds the I2C bus in a wait state (SCL=0) until +// this interrupt is serviced, which means that the slave has been +// addressed by a remote master that is asking for data to be +// transferred. The processor must respond to this interrupt and +// then write the requested data to the IC_DATA_CMD register. This +// bit is set to 0 just after the processor reads the +// IC_CLR_RD_REQ register. +// +// Reset value: 0x0 +// 0x0 -> RD_REQ interrupt is inactive +// 0x1 -> RD_REQ interrupt is active +#define I2C_IC_RAW_INTR_STAT_RD_REQ_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_RD_REQ_BITS _u(0x00000020) +#define I2C_IC_RAW_INTR_STAT_RD_REQ_MSB _u(5) +#define I2C_IC_RAW_INTR_STAT_RD_REQ_LSB _u(5) +#define I2C_IC_RAW_INTR_STAT_RD_REQ_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_RD_REQ_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_RD_REQ_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_TX_EMPTY +// Description : The behavior of the TX_EMPTY interrupt status differs based on +// the TX_EMPTY_CTRL selection in the IC_CON register. - When +// TX_EMPTY_CTRL = 0: This bit is set to 1 when the transmit +// buffer is at or below the threshold value set in the IC_TX_TL +// register. - When TX_EMPTY_CTRL = 1: This bit is set to 1 when +// the transmit buffer is at or below the threshold value set in +// the IC_TX_TL register and the transmission of the address/data +// from the internal shift register for the most recently popped +// command is completed. It is automatically cleared by hardware +// when the buffer level goes above the threshold. When +// IC_ENABLE[0] is set to 0, the TX FIFO is flushed and held in +// reset. There the TX FIFO looks like it has no data within it, +// so this bit is set to 1, provided there is activity in the +// master or slave state machines. When there is no longer any +// activity, then with ic_en=0, this bit is set to 0. +// +// Reset value: 0x0. +// 0x0 -> TX_EMPTY interrupt is inactive +// 0x1 -> TX_EMPTY interrupt is active +#define I2C_IC_RAW_INTR_STAT_TX_EMPTY_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_TX_EMPTY_BITS _u(0x00000010) +#define I2C_IC_RAW_INTR_STAT_TX_EMPTY_MSB _u(4) +#define I2C_IC_RAW_INTR_STAT_TX_EMPTY_LSB _u(4) +#define I2C_IC_RAW_INTR_STAT_TX_EMPTY_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_TX_EMPTY_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_TX_EMPTY_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_TX_OVER +// Description : Set during transmit if the transmit buffer is filled to +// IC_TX_BUFFER_DEPTH and the processor attempts to issue another +// I2C command by writing to the IC_DATA_CMD register. When the +// module is disabled, this bit keeps its level until the master +// or slave state machines go into idle, and when ic_en goes to 0, +// this interrupt is cleared. +// +// Reset value: 0x0 +// 0x0 -> TX_OVER interrupt is inactive +// 0x1 -> TX_OVER interrupt is active +#define I2C_IC_RAW_INTR_STAT_TX_OVER_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_TX_OVER_BITS _u(0x00000008) +#define I2C_IC_RAW_INTR_STAT_TX_OVER_MSB _u(3) +#define I2C_IC_RAW_INTR_STAT_TX_OVER_LSB _u(3) +#define I2C_IC_RAW_INTR_STAT_TX_OVER_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_TX_OVER_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_TX_OVER_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_RX_FULL +// Description : Set when the receive buffer reaches or goes above the RX_TL +// threshold in the IC_RX_TL register. It is automatically cleared +// by hardware when buffer level goes below the threshold. If the +// module is disabled (IC_ENABLE[0]=0), the RX FIFO is flushed and +// held in reset; therefore the RX FIFO is not full. So this bit +// is cleared once the IC_ENABLE bit 0 is programmed with a 0, +// regardless of the activity that continues. +// +// Reset value: 0x0 +// 0x0 -> RX_FULL interrupt is inactive +// 0x1 -> RX_FULL interrupt is active +#define I2C_IC_RAW_INTR_STAT_RX_FULL_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_RX_FULL_BITS _u(0x00000004) +#define I2C_IC_RAW_INTR_STAT_RX_FULL_MSB _u(2) +#define I2C_IC_RAW_INTR_STAT_RX_FULL_LSB _u(2) +#define I2C_IC_RAW_INTR_STAT_RX_FULL_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_RX_FULL_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_RX_FULL_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_RX_OVER +// Description : Set if the receive buffer is completely filled to +// IC_RX_BUFFER_DEPTH and an additional byte is received from an +// external I2C device. The DW_apb_i2c acknowledges this, but any +// data bytes received after the FIFO is full are lost. If the +// module is disabled (IC_ENABLE[0]=0), this bit keeps its level +// until the master or slave state machines go into idle, and when +// ic_en goes to 0, this interrupt is cleared. +// +// Note: If bit 9 of the IC_CON register (RX_FIFO_FULL_HLD_CTRL) +// is programmed to HIGH, then the RX_OVER interrupt never occurs, +// because the Rx FIFO never overflows. +// +// Reset value: 0x0 +// 0x0 -> RX_OVER interrupt is inactive +// 0x1 -> RX_OVER interrupt is active +#define I2C_IC_RAW_INTR_STAT_RX_OVER_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_RX_OVER_BITS _u(0x00000002) +#define I2C_IC_RAW_INTR_STAT_RX_OVER_MSB _u(1) +#define I2C_IC_RAW_INTR_STAT_RX_OVER_LSB _u(1) +#define I2C_IC_RAW_INTR_STAT_RX_OVER_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_RX_OVER_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_RX_OVER_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RAW_INTR_STAT_RX_UNDER +// Description : Set if the processor attempts to read the receive buffer when +// it is empty by reading from the IC_DATA_CMD register. If the +// module is disabled (IC_ENABLE[0]=0), this bit keeps its level +// until the master or slave state machines go into idle, and when +// ic_en goes to 0, this interrupt is cleared. +// +// Reset value: 0x0 +// 0x0 -> RX_UNDER interrupt is inactive +// 0x1 -> RX_UNDER interrupt is active +#define I2C_IC_RAW_INTR_STAT_RX_UNDER_RESET _u(0x0) +#define I2C_IC_RAW_INTR_STAT_RX_UNDER_BITS _u(0x00000001) +#define I2C_IC_RAW_INTR_STAT_RX_UNDER_MSB _u(0) +#define I2C_IC_RAW_INTR_STAT_RX_UNDER_LSB _u(0) +#define I2C_IC_RAW_INTR_STAT_RX_UNDER_ACCESS "RO" +#define I2C_IC_RAW_INTR_STAT_RX_UNDER_VALUE_INACTIVE _u(0x0) +#define I2C_IC_RAW_INTR_STAT_RX_UNDER_VALUE_ACTIVE _u(0x1) +// ============================================================================= +// Register : I2C_IC_RX_TL +// Description : I2C Receive FIFO Threshold Register +#define I2C_IC_RX_TL_OFFSET _u(0x00000038) +#define I2C_IC_RX_TL_BITS _u(0x000000ff) +#define I2C_IC_RX_TL_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RX_TL_RX_TL +// Description : Receive FIFO Threshold Level. +// +// Controls the level of entries (or above) that triggers the +// RX_FULL interrupt (bit 2 in IC_RAW_INTR_STAT register). The +// valid range is 0-255, with the additional restriction that +// hardware does not allow this value to be set to a value larger +// than the depth of the buffer. If an attempt is made to do that, +// the actual value set will be the maximum depth of the buffer. A +// value of 0 sets the threshold for 1 entry, and a value of 255 +// sets the threshold for 256 entries. +#define I2C_IC_RX_TL_RX_TL_RESET _u(0x00) +#define I2C_IC_RX_TL_RX_TL_BITS _u(0x000000ff) +#define I2C_IC_RX_TL_RX_TL_MSB _u(7) +#define I2C_IC_RX_TL_RX_TL_LSB _u(0) +#define I2C_IC_RX_TL_RX_TL_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_TX_TL +// Description : I2C Transmit FIFO Threshold Register +#define I2C_IC_TX_TL_OFFSET _u(0x0000003c) +#define I2C_IC_TX_TL_BITS _u(0x000000ff) +#define I2C_IC_TX_TL_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_TL_TX_TL +// Description : Transmit FIFO Threshold Level. +// +// Controls the level of entries (or below) that trigger the +// TX_EMPTY interrupt (bit 4 in IC_RAW_INTR_STAT register). The +// valid range is 0-255, with the additional restriction that it +// may not be set to value larger than the depth of the buffer. If +// an attempt is made to do that, the actual value set will be the +// maximum depth of the buffer. A value of 0 sets the threshold +// for 0 entries, and a value of 255 sets the threshold for 255 +// entries. +#define I2C_IC_TX_TL_TX_TL_RESET _u(0x00) +#define I2C_IC_TX_TL_TX_TL_BITS _u(0x000000ff) +#define I2C_IC_TX_TL_TX_TL_MSB _u(7) +#define I2C_IC_TX_TL_TX_TL_LSB _u(0) +#define I2C_IC_TX_TL_TX_TL_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_CLR_INTR +// Description : Clear Combined and Individual Interrupt Register +#define I2C_IC_CLR_INTR_OFFSET _u(0x00000040) +#define I2C_IC_CLR_INTR_BITS _u(0x00000001) +#define I2C_IC_CLR_INTR_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CLR_INTR_CLR_INTR +// Description : Read this register to clear the combined interrupt, all +// individual interrupts, and the IC_TX_ABRT_SOURCE register. This +// bit does not clear hardware clearable interrupts but software +// clearable interrupts. Refer to Bit 9 of the IC_TX_ABRT_SOURCE +// register for an exception to clearing IC_TX_ABRT_SOURCE. +// +// Reset value: 0x0 +#define I2C_IC_CLR_INTR_CLR_INTR_RESET _u(0x0) +#define I2C_IC_CLR_INTR_CLR_INTR_BITS _u(0x00000001) +#define I2C_IC_CLR_INTR_CLR_INTR_MSB _u(0) +#define I2C_IC_CLR_INTR_CLR_INTR_LSB _u(0) +#define I2C_IC_CLR_INTR_CLR_INTR_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_CLR_RX_UNDER +// Description : Clear RX_UNDER Interrupt Register +#define I2C_IC_CLR_RX_UNDER_OFFSET _u(0x00000044) +#define I2C_IC_CLR_RX_UNDER_BITS _u(0x00000001) +#define I2C_IC_CLR_RX_UNDER_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CLR_RX_UNDER_CLR_RX_UNDER +// Description : Read this register to clear the RX_UNDER interrupt (bit 0) of +// the IC_RAW_INTR_STAT register. +// +// Reset value: 0x0 +#define I2C_IC_CLR_RX_UNDER_CLR_RX_UNDER_RESET _u(0x0) +#define I2C_IC_CLR_RX_UNDER_CLR_RX_UNDER_BITS _u(0x00000001) +#define I2C_IC_CLR_RX_UNDER_CLR_RX_UNDER_MSB _u(0) +#define I2C_IC_CLR_RX_UNDER_CLR_RX_UNDER_LSB _u(0) +#define I2C_IC_CLR_RX_UNDER_CLR_RX_UNDER_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_CLR_RX_OVER +// Description : Clear RX_OVER Interrupt Register +#define I2C_IC_CLR_RX_OVER_OFFSET _u(0x00000048) +#define I2C_IC_CLR_RX_OVER_BITS _u(0x00000001) +#define I2C_IC_CLR_RX_OVER_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CLR_RX_OVER_CLR_RX_OVER +// Description : Read this register to clear the RX_OVER interrupt (bit 1) of +// the IC_RAW_INTR_STAT register. +// +// Reset value: 0x0 +#define I2C_IC_CLR_RX_OVER_CLR_RX_OVER_RESET _u(0x0) +#define I2C_IC_CLR_RX_OVER_CLR_RX_OVER_BITS _u(0x00000001) +#define I2C_IC_CLR_RX_OVER_CLR_RX_OVER_MSB _u(0) +#define I2C_IC_CLR_RX_OVER_CLR_RX_OVER_LSB _u(0) +#define I2C_IC_CLR_RX_OVER_CLR_RX_OVER_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_CLR_TX_OVER +// Description : Clear TX_OVER Interrupt Register +#define I2C_IC_CLR_TX_OVER_OFFSET _u(0x0000004c) +#define I2C_IC_CLR_TX_OVER_BITS _u(0x00000001) +#define I2C_IC_CLR_TX_OVER_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CLR_TX_OVER_CLR_TX_OVER +// Description : Read this register to clear the TX_OVER interrupt (bit 3) of +// the IC_RAW_INTR_STAT register. +// +// Reset value: 0x0 +#define I2C_IC_CLR_TX_OVER_CLR_TX_OVER_RESET _u(0x0) +#define I2C_IC_CLR_TX_OVER_CLR_TX_OVER_BITS _u(0x00000001) +#define I2C_IC_CLR_TX_OVER_CLR_TX_OVER_MSB _u(0) +#define I2C_IC_CLR_TX_OVER_CLR_TX_OVER_LSB _u(0) +#define I2C_IC_CLR_TX_OVER_CLR_TX_OVER_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_CLR_RD_REQ +// Description : Clear RD_REQ Interrupt Register +#define I2C_IC_CLR_RD_REQ_OFFSET _u(0x00000050) +#define I2C_IC_CLR_RD_REQ_BITS _u(0x00000001) +#define I2C_IC_CLR_RD_REQ_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CLR_RD_REQ_CLR_RD_REQ +// Description : Read this register to clear the RD_REQ interrupt (bit 5) of the +// IC_RAW_INTR_STAT register. +// +// Reset value: 0x0 +#define I2C_IC_CLR_RD_REQ_CLR_RD_REQ_RESET _u(0x0) +#define I2C_IC_CLR_RD_REQ_CLR_RD_REQ_BITS _u(0x00000001) +#define I2C_IC_CLR_RD_REQ_CLR_RD_REQ_MSB _u(0) +#define I2C_IC_CLR_RD_REQ_CLR_RD_REQ_LSB _u(0) +#define I2C_IC_CLR_RD_REQ_CLR_RD_REQ_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_CLR_TX_ABRT +// Description : Clear TX_ABRT Interrupt Register +#define I2C_IC_CLR_TX_ABRT_OFFSET _u(0x00000054) +#define I2C_IC_CLR_TX_ABRT_BITS _u(0x00000001) +#define I2C_IC_CLR_TX_ABRT_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CLR_TX_ABRT_CLR_TX_ABRT +// Description : Read this register to clear the TX_ABRT interrupt (bit 6) of +// the IC_RAW_INTR_STAT register, and the IC_TX_ABRT_SOURCE +// register. This also releases the TX FIFO from the flushed/reset +// state, allowing more writes to the TX FIFO. Refer to Bit 9 of +// the IC_TX_ABRT_SOURCE register for an exception to clearing +// IC_TX_ABRT_SOURCE. +// +// Reset value: 0x0 +#define I2C_IC_CLR_TX_ABRT_CLR_TX_ABRT_RESET _u(0x0) +#define I2C_IC_CLR_TX_ABRT_CLR_TX_ABRT_BITS _u(0x00000001) +#define I2C_IC_CLR_TX_ABRT_CLR_TX_ABRT_MSB _u(0) +#define I2C_IC_CLR_TX_ABRT_CLR_TX_ABRT_LSB _u(0) +#define I2C_IC_CLR_TX_ABRT_CLR_TX_ABRT_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_CLR_RX_DONE +// Description : Clear RX_DONE Interrupt Register +#define I2C_IC_CLR_RX_DONE_OFFSET _u(0x00000058) +#define I2C_IC_CLR_RX_DONE_BITS _u(0x00000001) +#define I2C_IC_CLR_RX_DONE_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CLR_RX_DONE_CLR_RX_DONE +// Description : Read this register to clear the RX_DONE interrupt (bit 7) of +// the IC_RAW_INTR_STAT register. +// +// Reset value: 0x0 +#define I2C_IC_CLR_RX_DONE_CLR_RX_DONE_RESET _u(0x0) +#define I2C_IC_CLR_RX_DONE_CLR_RX_DONE_BITS _u(0x00000001) +#define I2C_IC_CLR_RX_DONE_CLR_RX_DONE_MSB _u(0) +#define I2C_IC_CLR_RX_DONE_CLR_RX_DONE_LSB _u(0) +#define I2C_IC_CLR_RX_DONE_CLR_RX_DONE_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_CLR_ACTIVITY +// Description : Clear ACTIVITY Interrupt Register +#define I2C_IC_CLR_ACTIVITY_OFFSET _u(0x0000005c) +#define I2C_IC_CLR_ACTIVITY_BITS _u(0x00000001) +#define I2C_IC_CLR_ACTIVITY_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CLR_ACTIVITY_CLR_ACTIVITY +// Description : Reading this register clears the ACTIVITY interrupt if the I2C +// is not active anymore. If the I2C module is still active on the +// bus, the ACTIVITY interrupt bit continues to be set. It is +// automatically cleared by hardware if the module is disabled and +// if there is no further activity on the bus. The value read from +// this register to get status of the ACTIVITY interrupt (bit 8) +// of the IC_RAW_INTR_STAT register. +// +// Reset value: 0x0 +#define I2C_IC_CLR_ACTIVITY_CLR_ACTIVITY_RESET _u(0x0) +#define I2C_IC_CLR_ACTIVITY_CLR_ACTIVITY_BITS _u(0x00000001) +#define I2C_IC_CLR_ACTIVITY_CLR_ACTIVITY_MSB _u(0) +#define I2C_IC_CLR_ACTIVITY_CLR_ACTIVITY_LSB _u(0) +#define I2C_IC_CLR_ACTIVITY_CLR_ACTIVITY_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_CLR_STOP_DET +// Description : Clear STOP_DET Interrupt Register +#define I2C_IC_CLR_STOP_DET_OFFSET _u(0x00000060) +#define I2C_IC_CLR_STOP_DET_BITS _u(0x00000001) +#define I2C_IC_CLR_STOP_DET_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CLR_STOP_DET_CLR_STOP_DET +// Description : Read this register to clear the STOP_DET interrupt (bit 9) of +// the IC_RAW_INTR_STAT register. +// +// Reset value: 0x0 +#define I2C_IC_CLR_STOP_DET_CLR_STOP_DET_RESET _u(0x0) +#define I2C_IC_CLR_STOP_DET_CLR_STOP_DET_BITS _u(0x00000001) +#define I2C_IC_CLR_STOP_DET_CLR_STOP_DET_MSB _u(0) +#define I2C_IC_CLR_STOP_DET_CLR_STOP_DET_LSB _u(0) +#define I2C_IC_CLR_STOP_DET_CLR_STOP_DET_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_CLR_START_DET +// Description : Clear START_DET Interrupt Register +#define I2C_IC_CLR_START_DET_OFFSET _u(0x00000064) +#define I2C_IC_CLR_START_DET_BITS _u(0x00000001) +#define I2C_IC_CLR_START_DET_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CLR_START_DET_CLR_START_DET +// Description : Read this register to clear the START_DET interrupt (bit 10) of +// the IC_RAW_INTR_STAT register. +// +// Reset value: 0x0 +#define I2C_IC_CLR_START_DET_CLR_START_DET_RESET _u(0x0) +#define I2C_IC_CLR_START_DET_CLR_START_DET_BITS _u(0x00000001) +#define I2C_IC_CLR_START_DET_CLR_START_DET_MSB _u(0) +#define I2C_IC_CLR_START_DET_CLR_START_DET_LSB _u(0) +#define I2C_IC_CLR_START_DET_CLR_START_DET_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_CLR_GEN_CALL +// Description : Clear GEN_CALL Interrupt Register +#define I2C_IC_CLR_GEN_CALL_OFFSET _u(0x00000068) +#define I2C_IC_CLR_GEN_CALL_BITS _u(0x00000001) +#define I2C_IC_CLR_GEN_CALL_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CLR_GEN_CALL_CLR_GEN_CALL +// Description : Read this register to clear the GEN_CALL interrupt (bit 11) of +// IC_RAW_INTR_STAT register. +// +// Reset value: 0x0 +#define I2C_IC_CLR_GEN_CALL_CLR_GEN_CALL_RESET _u(0x0) +#define I2C_IC_CLR_GEN_CALL_CLR_GEN_CALL_BITS _u(0x00000001) +#define I2C_IC_CLR_GEN_CALL_CLR_GEN_CALL_MSB _u(0) +#define I2C_IC_CLR_GEN_CALL_CLR_GEN_CALL_LSB _u(0) +#define I2C_IC_CLR_GEN_CALL_CLR_GEN_CALL_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_ENABLE +// Description : I2C Enable Register +#define I2C_IC_ENABLE_OFFSET _u(0x0000006c) +#define I2C_IC_ENABLE_BITS _u(0x00000007) +#define I2C_IC_ENABLE_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_ENABLE_TX_CMD_BLOCK +// Description : In Master mode: - 1'b1: Blocks the transmission of data on I2C +// bus even if Tx FIFO has data to transmit. - 1'b0: The +// transmission of data starts on I2C bus automatically, as soon +// as the first data is available in the Tx FIFO. Note: To block +// the execution of Master commands, set the TX_CMD_BLOCK bit only +// when Tx FIFO is empty (IC_STATUS[2]==1) and Master is in Idle +// state (IC_STATUS[5] == 0). Any further commands put in the Tx +// FIFO are not executed until TX_CMD_BLOCK bit is unset. Reset +// value: IC_TX_CMD_BLOCK_DEFAULT +// 0x0 -> Tx Command execution not blocked +// 0x1 -> Tx Command execution blocked +#define I2C_IC_ENABLE_TX_CMD_BLOCK_RESET _u(0x0) +#define I2C_IC_ENABLE_TX_CMD_BLOCK_BITS _u(0x00000004) +#define I2C_IC_ENABLE_TX_CMD_BLOCK_MSB _u(2) +#define I2C_IC_ENABLE_TX_CMD_BLOCK_LSB _u(2) +#define I2C_IC_ENABLE_TX_CMD_BLOCK_ACCESS "RW" +#define I2C_IC_ENABLE_TX_CMD_BLOCK_VALUE_NOT_BLOCKED _u(0x0) +#define I2C_IC_ENABLE_TX_CMD_BLOCK_VALUE_BLOCKED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_ENABLE_ABORT +// Description : When set, the controller initiates the transfer abort. - 0: +// ABORT not initiated or ABORT done - 1: ABORT operation in +// progress The software can abort the I2C transfer in master mode +// by setting this bit. The software can set this bit only when +// ENABLE is already set; otherwise, the controller ignores any +// write to ABORT bit. The software cannot clear the ABORT bit +// once set. In response to an ABORT, the controller issues a STOP +// and flushes the Tx FIFO after completing the current transfer, +// then sets the TX_ABORT interrupt after the abort operation. The +// ABORT bit is cleared automatically after the abort operation. +// +// For a detailed description on how to abort I2C transfers, refer +// to 'Aborting I2C Transfers'. +// +// Reset value: 0x0 +// 0x0 -> ABORT operation not in progress +// 0x1 -> ABORT operation in progress +#define I2C_IC_ENABLE_ABORT_RESET _u(0x0) +#define I2C_IC_ENABLE_ABORT_BITS _u(0x00000002) +#define I2C_IC_ENABLE_ABORT_MSB _u(1) +#define I2C_IC_ENABLE_ABORT_LSB _u(1) +#define I2C_IC_ENABLE_ABORT_ACCESS "RW" +#define I2C_IC_ENABLE_ABORT_VALUE_DISABLE _u(0x0) +#define I2C_IC_ENABLE_ABORT_VALUE_ENABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_ENABLE_ENABLE +// Description : Controls whether the DW_apb_i2c is enabled. - 0: Disables +// DW_apb_i2c (TX and RX FIFOs are held in an erased state) - 1: +// Enables DW_apb_i2c Software can disable DW_apb_i2c while it is +// active. However, it is important that care be taken to ensure +// that DW_apb_i2c is disabled properly. A recommended procedure +// is described in 'Disabling DW_apb_i2c'. +// +// When DW_apb_i2c is disabled, the following occurs: - The TX +// FIFO and RX FIFO get flushed. - Status bits in the IC_INTR_STAT +// register are still active until DW_apb_i2c goes into IDLE +// state. If the module is transmitting, it stops as well as +// deletes the contents of the transmit buffer after the current +// transfer is complete. If the module is receiving, the +// DW_apb_i2c stops the current transfer at the end of the current +// byte and does not acknowledge the transfer. +// +// In systems with asynchronous pclk and ic_clk when IC_CLK_TYPE +// parameter set to asynchronous (1), there is a two ic_clk delay +// when enabling or disabling the DW_apb_i2c. For a detailed +// description on how to disable DW_apb_i2c, refer to 'Disabling +// DW_apb_i2c' +// +// Reset value: 0x0 +// 0x0 -> I2C is disabled +// 0x1 -> I2C is enabled +#define I2C_IC_ENABLE_ENABLE_RESET _u(0x0) +#define I2C_IC_ENABLE_ENABLE_BITS _u(0x00000001) +#define I2C_IC_ENABLE_ENABLE_MSB _u(0) +#define I2C_IC_ENABLE_ENABLE_LSB _u(0) +#define I2C_IC_ENABLE_ENABLE_ACCESS "RW" +#define I2C_IC_ENABLE_ENABLE_VALUE_DISABLED _u(0x0) +#define I2C_IC_ENABLE_ENABLE_VALUE_ENABLED _u(0x1) +// ============================================================================= +// Register : I2C_IC_STATUS +// Description : I2C Status Register +// +// This is a read-only register used to indicate the current +// transfer status and FIFO status. The status register may be +// read at any time. None of the bits in this register request an +// interrupt. +// +// When the I2C is disabled by writing 0 in bit 0 of the IC_ENABLE +// register: - Bits 1 and 2 are set to 1 - Bits 3 and 10 are set +// to 0 When the master or slave state machines goes to idle and +// ic_en=0: - Bits 5 and 6 are set to 0 +#define I2C_IC_STATUS_OFFSET _u(0x00000070) +#define I2C_IC_STATUS_BITS _u(0x0000007f) +#define I2C_IC_STATUS_RESET _u(0x00000006) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_STATUS_SLV_ACTIVITY +// Description : Slave FSM Activity Status. When the Slave Finite State Machine +// (FSM) is not in the IDLE state, this bit is set. - 0: Slave FSM +// is in IDLE state so the Slave part of DW_apb_i2c is not Active +// - 1: Slave FSM is not in IDLE state so the Slave part of +// DW_apb_i2c is Active Reset value: 0x0 +// 0x0 -> Slave is idle +// 0x1 -> Slave not idle +#define I2C_IC_STATUS_SLV_ACTIVITY_RESET _u(0x0) +#define I2C_IC_STATUS_SLV_ACTIVITY_BITS _u(0x00000040) +#define I2C_IC_STATUS_SLV_ACTIVITY_MSB _u(6) +#define I2C_IC_STATUS_SLV_ACTIVITY_LSB _u(6) +#define I2C_IC_STATUS_SLV_ACTIVITY_ACCESS "RO" +#define I2C_IC_STATUS_SLV_ACTIVITY_VALUE_IDLE _u(0x0) +#define I2C_IC_STATUS_SLV_ACTIVITY_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_STATUS_MST_ACTIVITY +// Description : Master FSM Activity Status. When the Master Finite State +// Machine (FSM) is not in the IDLE state, this bit is set. - 0: +// Master FSM is in IDLE state so the Master part of DW_apb_i2c is +// not Active - 1: Master FSM is not in IDLE state so the Master +// part of DW_apb_i2c is Active Note: IC_STATUS[0]-that is, +// ACTIVITY bit-is the OR of SLV_ACTIVITY and MST_ACTIVITY bits. +// +// Reset value: 0x0 +// 0x0 -> Master is idle +// 0x1 -> Master not idle +#define I2C_IC_STATUS_MST_ACTIVITY_RESET _u(0x0) +#define I2C_IC_STATUS_MST_ACTIVITY_BITS _u(0x00000020) +#define I2C_IC_STATUS_MST_ACTIVITY_MSB _u(5) +#define I2C_IC_STATUS_MST_ACTIVITY_LSB _u(5) +#define I2C_IC_STATUS_MST_ACTIVITY_ACCESS "RO" +#define I2C_IC_STATUS_MST_ACTIVITY_VALUE_IDLE _u(0x0) +#define I2C_IC_STATUS_MST_ACTIVITY_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_STATUS_RFF +// Description : Receive FIFO Completely Full. When the receive FIFO is +// completely full, this bit is set. When the receive FIFO +// contains one or more empty location, this bit is cleared. - 0: +// Receive FIFO is not full - 1: Receive FIFO is full Reset value: +// 0x0 +// 0x0 -> Rx FIFO not full +// 0x1 -> Rx FIFO is full +#define I2C_IC_STATUS_RFF_RESET _u(0x0) +#define I2C_IC_STATUS_RFF_BITS _u(0x00000010) +#define I2C_IC_STATUS_RFF_MSB _u(4) +#define I2C_IC_STATUS_RFF_LSB _u(4) +#define I2C_IC_STATUS_RFF_ACCESS "RO" +#define I2C_IC_STATUS_RFF_VALUE_NOT_FULL _u(0x0) +#define I2C_IC_STATUS_RFF_VALUE_FULL _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_STATUS_RFNE +// Description : Receive FIFO Not Empty. This bit is set when the receive FIFO +// contains one or more entries; it is cleared when the receive +// FIFO is empty. - 0: Receive FIFO is empty - 1: Receive FIFO is +// not empty Reset value: 0x0 +// 0x0 -> Rx FIFO is empty +// 0x1 -> Rx FIFO not empty +#define I2C_IC_STATUS_RFNE_RESET _u(0x0) +#define I2C_IC_STATUS_RFNE_BITS _u(0x00000008) +#define I2C_IC_STATUS_RFNE_MSB _u(3) +#define I2C_IC_STATUS_RFNE_LSB _u(3) +#define I2C_IC_STATUS_RFNE_ACCESS "RO" +#define I2C_IC_STATUS_RFNE_VALUE_EMPTY _u(0x0) +#define I2C_IC_STATUS_RFNE_VALUE_NOT_EMPTY _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_STATUS_TFE +// Description : Transmit FIFO Completely Empty. When the transmit FIFO is +// completely empty, this bit is set. When it contains one or more +// valid entries, this bit is cleared. This bit field does not +// request an interrupt. - 0: Transmit FIFO is not empty - 1: +// Transmit FIFO is empty Reset value: 0x1 +// 0x0 -> Tx FIFO not empty +// 0x1 -> Tx FIFO is empty +#define I2C_IC_STATUS_TFE_RESET _u(0x1) +#define I2C_IC_STATUS_TFE_BITS _u(0x00000004) +#define I2C_IC_STATUS_TFE_MSB _u(2) +#define I2C_IC_STATUS_TFE_LSB _u(2) +#define I2C_IC_STATUS_TFE_ACCESS "RO" +#define I2C_IC_STATUS_TFE_VALUE_NON_EMPTY _u(0x0) +#define I2C_IC_STATUS_TFE_VALUE_EMPTY _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_STATUS_TFNF +// Description : Transmit FIFO Not Full. Set when the transmit FIFO contains one +// or more empty locations, and is cleared when the FIFO is full. +// - 0: Transmit FIFO is full - 1: Transmit FIFO is not full Reset +// value: 0x1 +// 0x0 -> Tx FIFO is full +// 0x1 -> Tx FIFO not full +#define I2C_IC_STATUS_TFNF_RESET _u(0x1) +#define I2C_IC_STATUS_TFNF_BITS _u(0x00000002) +#define I2C_IC_STATUS_TFNF_MSB _u(1) +#define I2C_IC_STATUS_TFNF_LSB _u(1) +#define I2C_IC_STATUS_TFNF_ACCESS "RO" +#define I2C_IC_STATUS_TFNF_VALUE_FULL _u(0x0) +#define I2C_IC_STATUS_TFNF_VALUE_NOT_FULL _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_STATUS_ACTIVITY +// Description : I2C Activity Status. Reset value: 0x0 +// 0x0 -> I2C is idle +// 0x1 -> I2C is active +#define I2C_IC_STATUS_ACTIVITY_RESET _u(0x0) +#define I2C_IC_STATUS_ACTIVITY_BITS _u(0x00000001) +#define I2C_IC_STATUS_ACTIVITY_MSB _u(0) +#define I2C_IC_STATUS_ACTIVITY_LSB _u(0) +#define I2C_IC_STATUS_ACTIVITY_ACCESS "RO" +#define I2C_IC_STATUS_ACTIVITY_VALUE_INACTIVE _u(0x0) +#define I2C_IC_STATUS_ACTIVITY_VALUE_ACTIVE _u(0x1) +// ============================================================================= +// Register : I2C_IC_TXFLR +// Description : I2C Transmit FIFO Level Register This register contains the +// number of valid data entries in the transmit FIFO buffer. It is +// cleared whenever: - The I2C is disabled - There is a transmit +// abort - that is, TX_ABRT bit is set in the IC_RAW_INTR_STAT +// register - The slave bulk transmit mode is aborted The register +// increments whenever data is placed into the transmit FIFO and +// decrements when data is taken from the transmit FIFO. +#define I2C_IC_TXFLR_OFFSET _u(0x00000074) +#define I2C_IC_TXFLR_BITS _u(0x0000001f) +#define I2C_IC_TXFLR_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TXFLR_TXFLR +// Description : Transmit FIFO Level. Contains the number of valid data entries +// in the transmit FIFO. +// +// Reset value: 0x0 +#define I2C_IC_TXFLR_TXFLR_RESET _u(0x00) +#define I2C_IC_TXFLR_TXFLR_BITS _u(0x0000001f) +#define I2C_IC_TXFLR_TXFLR_MSB _u(4) +#define I2C_IC_TXFLR_TXFLR_LSB _u(0) +#define I2C_IC_TXFLR_TXFLR_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_RXFLR +// Description : I2C Receive FIFO Level Register This register contains the +// number of valid data entries in the receive FIFO buffer. It is +// cleared whenever: - The I2C is disabled - Whenever there is a +// transmit abort caused by any of the events tracked in +// IC_TX_ABRT_SOURCE The register increments whenever data is +// placed into the receive FIFO and decrements when data is taken +// from the receive FIFO. +#define I2C_IC_RXFLR_OFFSET _u(0x00000078) +#define I2C_IC_RXFLR_BITS _u(0x0000001f) +#define I2C_IC_RXFLR_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_RXFLR_RXFLR +// Description : Receive FIFO Level. Contains the number of valid data entries +// in the receive FIFO. +// +// Reset value: 0x0 +#define I2C_IC_RXFLR_RXFLR_RESET _u(0x00) +#define I2C_IC_RXFLR_RXFLR_BITS _u(0x0000001f) +#define I2C_IC_RXFLR_RXFLR_MSB _u(4) +#define I2C_IC_RXFLR_RXFLR_LSB _u(0) +#define I2C_IC_RXFLR_RXFLR_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_SDA_HOLD +// Description : I2C SDA Hold Time Length Register +// +// The bits [15:0] of this register are used to control the hold +// time of SDA during transmit in both slave and master mode +// (after SCL goes from HIGH to LOW). +// +// The bits [23:16] of this register are used to extend the SDA +// transition (if any) whenever SCL is HIGH in the receiver in +// either master or slave mode. +// +// Writes to this register succeed only when IC_ENABLE[0]=0. +// +// The values in this register are in units of ic_clk period. The +// value programmed in IC_SDA_TX_HOLD must be greater than the +// minimum hold time in each mode (one cycle in master mode, seven +// cycles in slave mode) for the value to be implemented. +// +// The programmed SDA hold time during transmit (IC_SDA_TX_HOLD) +// cannot exceed at any time the duration of the low part of scl. +// Therefore the programmed value cannot be larger than +// N_SCL_LOW-2, where N_SCL_LOW is the duration of the low part of +// the scl period measured in ic_clk cycles. +#define I2C_IC_SDA_HOLD_OFFSET _u(0x0000007c) +#define I2C_IC_SDA_HOLD_BITS _u(0x00ffffff) +#define I2C_IC_SDA_HOLD_RESET _u(0x00000001) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_SDA_HOLD_IC_SDA_RX_HOLD +// Description : Sets the required SDA hold time in units of ic_clk period, when +// DW_apb_i2c acts as a receiver. +// +// Reset value: IC_DEFAULT_SDA_HOLD[23:16]. +#define I2C_IC_SDA_HOLD_IC_SDA_RX_HOLD_RESET _u(0x00) +#define I2C_IC_SDA_HOLD_IC_SDA_RX_HOLD_BITS _u(0x00ff0000) +#define I2C_IC_SDA_HOLD_IC_SDA_RX_HOLD_MSB _u(23) +#define I2C_IC_SDA_HOLD_IC_SDA_RX_HOLD_LSB _u(16) +#define I2C_IC_SDA_HOLD_IC_SDA_RX_HOLD_ACCESS "RW" +// ----------------------------------------------------------------------------- +// Field : I2C_IC_SDA_HOLD_IC_SDA_TX_HOLD +// Description : Sets the required SDA hold time in units of ic_clk period, when +// DW_apb_i2c acts as a transmitter. +// +// Reset value: IC_DEFAULT_SDA_HOLD[15:0]. +#define I2C_IC_SDA_HOLD_IC_SDA_TX_HOLD_RESET _u(0x0001) +#define I2C_IC_SDA_HOLD_IC_SDA_TX_HOLD_BITS _u(0x0000ffff) +#define I2C_IC_SDA_HOLD_IC_SDA_TX_HOLD_MSB _u(15) +#define I2C_IC_SDA_HOLD_IC_SDA_TX_HOLD_LSB _u(0) +#define I2C_IC_SDA_HOLD_IC_SDA_TX_HOLD_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_TX_ABRT_SOURCE +// Description : I2C Transmit Abort Source Register +// +// This register has 32 bits that indicate the source of the +// TX_ABRT bit. Except for Bit 9, this register is cleared +// whenever the IC_CLR_TX_ABRT register or the IC_CLR_INTR +// register is read. To clear Bit 9, the source of the +// ABRT_SBYTE_NORSTRT must be fixed first; RESTART must be enabled +// (IC_CON[5]=1), the SPECIAL bit must be cleared (IC_TAR[11]), or +// the GC_OR_START bit must be cleared (IC_TAR[10]). +// +// Once the source of the ABRT_SBYTE_NORSTRT is fixed, then this +// bit can be cleared in the same manner as other bits in this +// register. If the source of the ABRT_SBYTE_NORSTRT is not fixed +// before attempting to clear this bit, Bit 9 clears for one cycle +// and is then re-asserted. +#define I2C_IC_TX_ABRT_SOURCE_OFFSET _u(0x00000080) +#define I2C_IC_TX_ABRT_SOURCE_BITS _u(0xff81ffff) +#define I2C_IC_TX_ABRT_SOURCE_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_TX_FLUSH_CNT +// Description : This field indicates the number of Tx FIFO Data Commands which +// are flushed due to TX_ABRT interrupt. It is cleared whenever +// I2C is disabled. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master-Transmitter or Slave-Transmitter +#define I2C_IC_TX_ABRT_SOURCE_TX_FLUSH_CNT_RESET _u(0x000) +#define I2C_IC_TX_ABRT_SOURCE_TX_FLUSH_CNT_BITS _u(0xff800000) +#define I2C_IC_TX_ABRT_SOURCE_TX_FLUSH_CNT_MSB _u(31) +#define I2C_IC_TX_ABRT_SOURCE_TX_FLUSH_CNT_LSB _u(23) +#define I2C_IC_TX_ABRT_SOURCE_TX_FLUSH_CNT_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_USER_ABRT +// Description : This is a master-mode-only bit. Master has detected the +// transfer abort (IC_ENABLE[1]) +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master-Transmitter +// 0x0 -> Transfer abort detected by master- scenario not present +// 0x1 -> Transfer abort detected by master +#define I2C_IC_TX_ABRT_SOURCE_ABRT_USER_ABRT_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_USER_ABRT_BITS _u(0x00010000) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_USER_ABRT_MSB _u(16) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_USER_ABRT_LSB _u(16) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_USER_ABRT_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_USER_ABRT_VALUE_ABRT_USER_ABRT_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_USER_ABRT_VALUE_ABRT_USER_ABRT_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_SLVRD_INTX +// Description : 1: When the processor side responds to a slave mode request for +// data to be transmitted to a remote master and user writes a 1 +// in CMD (bit 8) of IC_DATA_CMD register. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Slave-Transmitter +// 0x0 -> Slave trying to transmit to remote master in read mode- +// scenario not present +// 0x1 -> Slave trying to transmit to remote master in read mode +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVRD_INTX_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVRD_INTX_BITS _u(0x00008000) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVRD_INTX_MSB _u(15) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVRD_INTX_LSB _u(15) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVRD_INTX_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVRD_INTX_VALUE_ABRT_SLVRD_INTX_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVRD_INTX_VALUE_ABRT_SLVRD_INTX_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_SLV_ARBLOST +// Description : This field indicates that a Slave has lost the bus while +// transmitting data to a remote master. IC_TX_ABRT_SOURCE[12] is +// set at the same time. Note: Even though the slave never 'owns' +// the bus, something could go wrong on the bus. This is a fail +// safe check. For instance, during a data transmission at the +// low-to-high transition of SCL, if what is on the data bus is +// not what is supposed to be transmitted, then DW_apb_i2c no +// longer own the bus. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Slave-Transmitter +// 0x0 -> Slave lost arbitration to remote master- scenario not +// present +// 0x1 -> Slave lost arbitration to remote master +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLV_ARBLOST_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLV_ARBLOST_BITS _u(0x00004000) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLV_ARBLOST_MSB _u(14) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLV_ARBLOST_LSB _u(14) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLV_ARBLOST_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLV_ARBLOST_VALUE_ABRT_SLV_ARBLOST_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLV_ARBLOST_VALUE_ABRT_SLV_ARBLOST_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_SLVFLUSH_TXFIFO +// Description : This field specifies that the Slave has received a read command +// and some data exists in the TX FIFO, so the slave issues a +// TX_ABRT interrupt to flush old data in TX FIFO. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Slave-Transmitter +// 0x0 -> Slave flushes existing data in TX-FIFO upon getting read +// command- scenario not present +// 0x1 -> Slave flushes existing data in TX-FIFO upon getting read +// command +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVFLUSH_TXFIFO_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVFLUSH_TXFIFO_BITS _u(0x00002000) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVFLUSH_TXFIFO_MSB _u(13) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVFLUSH_TXFIFO_LSB _u(13) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVFLUSH_TXFIFO_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVFLUSH_TXFIFO_VALUE_ABRT_SLVFLUSH_TXFIFO_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SLVFLUSH_TXFIFO_VALUE_ABRT_SLVFLUSH_TXFIFO_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ARB_LOST +// Description : This field specifies that the Master has lost arbitration, or +// if IC_TX_ABRT_SOURCE[14] is also set, then the slave +// transmitter has lost arbitration. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master-Transmitter or Slave-Transmitter +// 0x0 -> Master or Slave-Transmitter lost arbitration- scenario +// not present +// 0x1 -> Master or Slave-Transmitter lost arbitration +#define I2C_IC_TX_ABRT_SOURCE_ARB_LOST_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ARB_LOST_BITS _u(0x00001000) +#define I2C_IC_TX_ABRT_SOURCE_ARB_LOST_MSB _u(12) +#define I2C_IC_TX_ABRT_SOURCE_ARB_LOST_LSB _u(12) +#define I2C_IC_TX_ABRT_SOURCE_ARB_LOST_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ARB_LOST_VALUE_ABRT_LOST_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ARB_LOST_VALUE_ABRT_LOST_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_MASTER_DIS +// Description : This field indicates that the User tries to initiate a Master +// operation with the Master mode disabled. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master-Transmitter or Master-Receiver +// 0x0 -> User initiating master operation when MASTER disabled- +// scenario not present +// 0x1 -> User initiating master operation when MASTER disabled +#define I2C_IC_TX_ABRT_SOURCE_ABRT_MASTER_DIS_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_MASTER_DIS_BITS _u(0x00000800) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_MASTER_DIS_MSB _u(11) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_MASTER_DIS_LSB _u(11) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_MASTER_DIS_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_MASTER_DIS_VALUE_ABRT_MASTER_DIS_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_MASTER_DIS_VALUE_ABRT_MASTER_DIS_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_10B_RD_NORSTRT +// Description : This field indicates that the restart is disabled +// (IC_RESTART_EN bit (IC_CON[5]) =0) and the master sends a read +// command in 10-bit addressing mode. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master-Receiver +// 0x0 -> Master not trying to read in 10Bit addressing mode when +// RESTART disabled +// 0x1 -> Master trying to read in 10Bit addressing mode when +// RESTART disabled +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10B_RD_NORSTRT_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10B_RD_NORSTRT_BITS _u(0x00000400) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10B_RD_NORSTRT_MSB _u(10) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10B_RD_NORSTRT_LSB _u(10) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10B_RD_NORSTRT_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10B_RD_NORSTRT_VALUE_ABRT_10B_RD_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10B_RD_NORSTRT_VALUE_ABRT_10B_RD_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_NORSTRT +// Description : To clear Bit 9, the source of the ABRT_SBYTE_NORSTRT must be +// fixed first; restart must be enabled (IC_CON[5]=1), the SPECIAL +// bit must be cleared (IC_TAR[11]), or the GC_OR_START bit must +// be cleared (IC_TAR[10]). Once the source of the +// ABRT_SBYTE_NORSTRT is fixed, then this bit can be cleared in +// the same manner as other bits in this register. If the source +// of the ABRT_SBYTE_NORSTRT is not fixed before attempting to +// clear this bit, bit 9 clears for one cycle and then gets +// reasserted. When this field is set to 1, the restart is +// disabled (IC_RESTART_EN bit (IC_CON[5]) =0) and the user is +// trying to send a START Byte. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master +// 0x0 -> User trying to send START byte when RESTART disabled- +// scenario not present +// 0x1 -> User trying to send START byte when RESTART disabled +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_NORSTRT_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_NORSTRT_BITS _u(0x00000200) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_NORSTRT_MSB _u(9) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_NORSTRT_LSB _u(9) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_NORSTRT_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_NORSTRT_VALUE_ABRT_SBYTE_NORSTRT_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_NORSTRT_VALUE_ABRT_SBYTE_NORSTRT_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_HS_NORSTRT +// Description : This field indicates that the restart is disabled +// (IC_RESTART_EN bit (IC_CON[5]) =0) and the user is trying to +// use the master to transfer data in High Speed mode. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master-Transmitter or Master-Receiver +// 0x0 -> User trying to switch Master to HS mode when RESTART +// disabled- scenario not present +// 0x1 -> User trying to switch Master to HS mode when RESTART +// disabled +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_NORSTRT_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_NORSTRT_BITS _u(0x00000100) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_NORSTRT_MSB _u(8) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_NORSTRT_LSB _u(8) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_NORSTRT_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_NORSTRT_VALUE_ABRT_HS_NORSTRT_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_NORSTRT_VALUE_ABRT_HS_NORSTRT_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_ACKDET +// Description : This field indicates that the Master has sent a START Byte and +// the START Byte was acknowledged (wrong behavior). +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master +// 0x0 -> ACK detected for START byte- scenario not present +// 0x1 -> ACK detected for START byte +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_ACKDET_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_ACKDET_BITS _u(0x00000080) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_ACKDET_MSB _u(7) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_ACKDET_LSB _u(7) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_ACKDET_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_ACKDET_VALUE_ABRT_SBYTE_ACKDET_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_SBYTE_ACKDET_VALUE_ABRT_SBYTE_ACKDET_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_HS_ACKDET +// Description : This field indicates that the Master is in High Speed mode and +// the High Speed Master code was acknowledged (wrong behavior). +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master +// 0x0 -> HS Master code ACKed in HS Mode- scenario not present +// 0x1 -> HS Master code ACKed in HS Mode +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_ACKDET_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_ACKDET_BITS _u(0x00000040) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_ACKDET_MSB _u(6) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_ACKDET_LSB _u(6) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_ACKDET_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_ACKDET_VALUE_ABRT_HS_ACK_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_HS_ACKDET_VALUE_ABRT_HS_ACK_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_READ +// Description : This field indicates that DW_apb_i2c in the master mode has +// sent a General Call but the user programmed the byte following +// the General Call to be a read from the bus (IC_DATA_CMD[9] is +// set to 1). +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master-Transmitter +// 0x0 -> GCALL is followed by read from bus-scenario not present +// 0x1 -> GCALL is followed by read from bus +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_READ_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_READ_BITS _u(0x00000020) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_READ_MSB _u(5) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_READ_LSB _u(5) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_READ_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_READ_VALUE_ABRT_GCALL_READ_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_READ_VALUE_ABRT_GCALL_READ_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_NOACK +// Description : This field indicates that DW_apb_i2c in master mode has sent a +// General Call and no slave on the bus acknowledged the General +// Call. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master-Transmitter +// 0x0 -> GCALL not ACKed by any slave-scenario not present +// 0x1 -> GCALL not ACKed by any slave +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_NOACK_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_NOACK_BITS _u(0x00000010) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_NOACK_MSB _u(4) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_NOACK_LSB _u(4) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_NOACK_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_NOACK_VALUE_ABRT_GCALL_NOACK_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_GCALL_NOACK_VALUE_ABRT_GCALL_NOACK_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_TXDATA_NOACK +// Description : This field indicates the master-mode only bit. When the master +// receives an acknowledgement for the address, but when it sends +// data byte(s) following the address, it did not receive an +// acknowledge from the remote slave(s). +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master-Transmitter +// 0x0 -> Transmitted data non-ACKed by addressed slave-scenario +// not present +// 0x1 -> Transmitted data not ACKed by addressed slave +#define I2C_IC_TX_ABRT_SOURCE_ABRT_TXDATA_NOACK_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_TXDATA_NOACK_BITS _u(0x00000008) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_TXDATA_NOACK_MSB _u(3) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_TXDATA_NOACK_LSB _u(3) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_TXDATA_NOACK_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_TXDATA_NOACK_VALUE_ABRT_TXDATA_NOACK_VOID _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_TXDATA_NOACK_VALUE_ABRT_TXDATA_NOACK_GENERATED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR2_NOACK +// Description : This field indicates that the Master is in 10-bit address mode +// and that the second address byte of the 10-bit address was not +// acknowledged by any slave. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master-Transmitter or Master-Receiver +// 0x0 -> This abort is not generated +// 0x1 -> Byte 2 of 10Bit Address not ACKed by any slave +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR2_NOACK_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR2_NOACK_BITS _u(0x00000004) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR2_NOACK_MSB _u(2) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR2_NOACK_LSB _u(2) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR2_NOACK_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR2_NOACK_VALUE_INACTIVE _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR2_NOACK_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR1_NOACK +// Description : This field indicates that the Master is in 10-bit address mode +// and the first 10-bit address byte was not acknowledged by any +// slave. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master-Transmitter or Master-Receiver +// 0x0 -> This abort is not generated +// 0x1 -> Byte 1 of 10Bit Address not ACKed by any slave +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR1_NOACK_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR1_NOACK_BITS _u(0x00000002) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR1_NOACK_MSB _u(1) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR1_NOACK_LSB _u(1) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR1_NOACK_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR1_NOACK_VALUE_INACTIVE _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_10ADDR1_NOACK_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK +// Description : This field indicates that the Master is in 7-bit addressing +// mode and the address sent was not acknowledged by any slave. +// +// Reset value: 0x0 +// +// Role of DW_apb_i2c: Master-Transmitter or Master-Receiver +// 0x0 -> This abort is not generated +// 0x1 -> This abort is generated because of NOACK for 7-bit +// address +#define I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_RESET _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_BITS _u(0x00000001) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_MSB _u(0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_LSB _u(0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_ACCESS "RO" +#define I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_VALUE_INACTIVE _u(0x0) +#define I2C_IC_TX_ABRT_SOURCE_ABRT_7B_ADDR_NOACK_VALUE_ACTIVE _u(0x1) +// ============================================================================= +// Register : I2C_IC_SLV_DATA_NACK_ONLY +// Description : Generate Slave Data NACK Register +// +// The register is used to generate a NACK for the data part of a +// transfer when DW_apb_i2c is acting as a slave-receiver. This +// register only exists when the IC_SLV_DATA_NACK_ONLY parameter +// is set to 1. When this parameter disabled, this register does +// not exist and writing to the register's address has no effect. +// +// A write can occur on this register if both of the following +// conditions are met: - DW_apb_i2c is disabled (IC_ENABLE[0] = 0) +// - Slave part is inactive (IC_STATUS[6] = 0) Note: The +// IC_STATUS[6] is a register read-back location for the internal +// slv_activity signal; the user should poll this before writing +// the ic_slv_data_nack_only bit. +#define I2C_IC_SLV_DATA_NACK_ONLY_OFFSET _u(0x00000084) +#define I2C_IC_SLV_DATA_NACK_ONLY_BITS _u(0x00000001) +#define I2C_IC_SLV_DATA_NACK_ONLY_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_SLV_DATA_NACK_ONLY_NACK +// Description : Generate NACK. This NACK generation only occurs when DW_apb_i2c +// is a slave-receiver. If this register is set to a value of 1, +// it can only generate a NACK after a data byte is received; +// hence, the data transfer is aborted and the data received is +// not pushed to the receive buffer. +// +// When the register is set to a value of 0, it generates +// NACK/ACK, depending on normal criteria. - 1: generate NACK +// after data byte received - 0: generate NACK/ACK normally Reset +// value: 0x0 +// 0x0 -> Slave receiver generates NACK normally +// 0x1 -> Slave receiver generates NACK upon data reception only +#define I2C_IC_SLV_DATA_NACK_ONLY_NACK_RESET _u(0x0) +#define I2C_IC_SLV_DATA_NACK_ONLY_NACK_BITS _u(0x00000001) +#define I2C_IC_SLV_DATA_NACK_ONLY_NACK_MSB _u(0) +#define I2C_IC_SLV_DATA_NACK_ONLY_NACK_LSB _u(0) +#define I2C_IC_SLV_DATA_NACK_ONLY_NACK_ACCESS "RW" +#define I2C_IC_SLV_DATA_NACK_ONLY_NACK_VALUE_DISABLED _u(0x0) +#define I2C_IC_SLV_DATA_NACK_ONLY_NACK_VALUE_ENABLED _u(0x1) +// ============================================================================= +// Register : I2C_IC_DMA_CR +// Description : DMA Control Register +// +// The register is used to enable the DMA Controller interface +// operation. There is a separate bit for transmit and receive. +// This can be programmed regardless of the state of IC_ENABLE. +#define I2C_IC_DMA_CR_OFFSET _u(0x00000088) +#define I2C_IC_DMA_CR_BITS _u(0x00000003) +#define I2C_IC_DMA_CR_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_DMA_CR_TDMAE +// Description : Transmit DMA Enable. This bit enables/disables the transmit +// FIFO DMA channel. Reset value: 0x0 +// 0x0 -> transmit FIFO DMA channel disabled +// 0x1 -> Transmit FIFO DMA channel enabled +#define I2C_IC_DMA_CR_TDMAE_RESET _u(0x0) +#define I2C_IC_DMA_CR_TDMAE_BITS _u(0x00000002) +#define I2C_IC_DMA_CR_TDMAE_MSB _u(1) +#define I2C_IC_DMA_CR_TDMAE_LSB _u(1) +#define I2C_IC_DMA_CR_TDMAE_ACCESS "RW" +#define I2C_IC_DMA_CR_TDMAE_VALUE_DISABLED _u(0x0) +#define I2C_IC_DMA_CR_TDMAE_VALUE_ENABLED _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_DMA_CR_RDMAE +// Description : Receive DMA Enable. This bit enables/disables the receive FIFO +// DMA channel. Reset value: 0x0 +// 0x0 -> Receive FIFO DMA channel disabled +// 0x1 -> Receive FIFO DMA channel enabled +#define I2C_IC_DMA_CR_RDMAE_RESET _u(0x0) +#define I2C_IC_DMA_CR_RDMAE_BITS _u(0x00000001) +#define I2C_IC_DMA_CR_RDMAE_MSB _u(0) +#define I2C_IC_DMA_CR_RDMAE_LSB _u(0) +#define I2C_IC_DMA_CR_RDMAE_ACCESS "RW" +#define I2C_IC_DMA_CR_RDMAE_VALUE_DISABLED _u(0x0) +#define I2C_IC_DMA_CR_RDMAE_VALUE_ENABLED _u(0x1) +// ============================================================================= +// Register : I2C_IC_DMA_TDLR +// Description : DMA Transmit Data Level Register +#define I2C_IC_DMA_TDLR_OFFSET _u(0x0000008c) +#define I2C_IC_DMA_TDLR_BITS _u(0x0000000f) +#define I2C_IC_DMA_TDLR_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_DMA_TDLR_DMATDL +// Description : Transmit Data Level. This bit field controls the level at which +// a DMA request is made by the transmit logic. It is equal to the +// watermark level; that is, the dma_tx_req signal is generated +// when the number of valid data entries in the transmit FIFO is +// equal to or below this field value, and TDMAE = 1. +// +// Reset value: 0x0 +#define I2C_IC_DMA_TDLR_DMATDL_RESET _u(0x0) +#define I2C_IC_DMA_TDLR_DMATDL_BITS _u(0x0000000f) +#define I2C_IC_DMA_TDLR_DMATDL_MSB _u(3) +#define I2C_IC_DMA_TDLR_DMATDL_LSB _u(0) +#define I2C_IC_DMA_TDLR_DMATDL_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_DMA_RDLR +// Description : I2C Receive Data Level Register +#define I2C_IC_DMA_RDLR_OFFSET _u(0x00000090) +#define I2C_IC_DMA_RDLR_BITS _u(0x0000000f) +#define I2C_IC_DMA_RDLR_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_DMA_RDLR_DMARDL +// Description : Receive Data Level. This bit field controls the level at which +// a DMA request is made by the receive logic. The watermark level +// = DMARDL+1; that is, dma_rx_req is generated when the number of +// valid data entries in the receive FIFO is equal to or more than +// this field value + 1, and RDMAE =1. For instance, when DMARDL +// is 0, then dma_rx_req is asserted when 1 or more data entries +// are present in the receive FIFO. +// +// Reset value: 0x0 +#define I2C_IC_DMA_RDLR_DMARDL_RESET _u(0x0) +#define I2C_IC_DMA_RDLR_DMARDL_BITS _u(0x0000000f) +#define I2C_IC_DMA_RDLR_DMARDL_MSB _u(3) +#define I2C_IC_DMA_RDLR_DMARDL_LSB _u(0) +#define I2C_IC_DMA_RDLR_DMARDL_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_SDA_SETUP +// Description : I2C SDA Setup Register +// +// This register controls the amount of time delay (in terms of +// number of ic_clk clock periods) introduced in the rising edge +// of SCL - relative to SDA changing - when DW_apb_i2c services a +// read request in a slave-transmitter operation. The relevant I2C +// requirement is tSU:DAT (note 4) as detailed in the I2C Bus +// Specification. This register must be programmed with a value +// equal to or greater than 2. +// +// Writes to this register succeed only when IC_ENABLE[0] = 0. +// +// Note: The length of setup time is calculated using +// [(IC_SDA_SETUP - 1) * (ic_clk_period)], so if the user requires +// 10 ic_clk periods of setup time, they should program a value of +// 11. The IC_SDA_SETUP register is only used by the DW_apb_i2c +// when operating as a slave transmitter. +#define I2C_IC_SDA_SETUP_OFFSET _u(0x00000094) +#define I2C_IC_SDA_SETUP_BITS _u(0x000000ff) +#define I2C_IC_SDA_SETUP_RESET _u(0x00000064) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_SDA_SETUP_SDA_SETUP +// Description : SDA Setup. It is recommended that if the required delay is +// 1000ns, then for an ic_clk frequency of 10 MHz, IC_SDA_SETUP +// should be programmed to a value of 11. IC_SDA_SETUP must be +// programmed with a minimum value of 2. +#define I2C_IC_SDA_SETUP_SDA_SETUP_RESET _u(0x64) +#define I2C_IC_SDA_SETUP_SDA_SETUP_BITS _u(0x000000ff) +#define I2C_IC_SDA_SETUP_SDA_SETUP_MSB _u(7) +#define I2C_IC_SDA_SETUP_SDA_SETUP_LSB _u(0) +#define I2C_IC_SDA_SETUP_SDA_SETUP_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_ACK_GENERAL_CALL +// Description : I2C ACK General Call Register +// +// The register controls whether DW_apb_i2c responds with a ACK or +// NACK when it receives an I2C General Call address. +// +// This register is applicable only when the DW_apb_i2c is in +// slave mode. +#define I2C_IC_ACK_GENERAL_CALL_OFFSET _u(0x00000098) +#define I2C_IC_ACK_GENERAL_CALL_BITS _u(0x00000001) +#define I2C_IC_ACK_GENERAL_CALL_RESET _u(0x00000001) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_ACK_GENERAL_CALL_ACK_GEN_CALL +// Description : ACK General Call. When set to 1, DW_apb_i2c responds with a ACK +// (by asserting ic_data_oe) when it receives a General Call. +// Otherwise, DW_apb_i2c responds with a NACK (by negating +// ic_data_oe). +// 0x0 -> Generate NACK for a General Call +// 0x1 -> Generate ACK for a General Call +#define I2C_IC_ACK_GENERAL_CALL_ACK_GEN_CALL_RESET _u(0x1) +#define I2C_IC_ACK_GENERAL_CALL_ACK_GEN_CALL_BITS _u(0x00000001) +#define I2C_IC_ACK_GENERAL_CALL_ACK_GEN_CALL_MSB _u(0) +#define I2C_IC_ACK_GENERAL_CALL_ACK_GEN_CALL_LSB _u(0) +#define I2C_IC_ACK_GENERAL_CALL_ACK_GEN_CALL_ACCESS "RW" +#define I2C_IC_ACK_GENERAL_CALL_ACK_GEN_CALL_VALUE_DISABLED _u(0x0) +#define I2C_IC_ACK_GENERAL_CALL_ACK_GEN_CALL_VALUE_ENABLED _u(0x1) +// ============================================================================= +// Register : I2C_IC_ENABLE_STATUS +// Description : I2C Enable Status Register +// +// The register is used to report the DW_apb_i2c hardware status +// when the IC_ENABLE[0] register is set from 1 to 0; that is, +// when DW_apb_i2c is disabled. +// +// If IC_ENABLE[0] has been set to 1, bits 2:1 are forced to 0, +// and bit 0 is forced to 1. +// +// If IC_ENABLE[0] has been set to 0, bits 2:1 is only be valid as +// soon as bit 0 is read as '0'. +// +// Note: When IC_ENABLE[0] has been set to 0, a delay occurs for +// bit 0 to be read as 0 because disabling the DW_apb_i2c depends +// on I2C bus activities. +#define I2C_IC_ENABLE_STATUS_OFFSET _u(0x0000009c) +#define I2C_IC_ENABLE_STATUS_BITS _u(0x00000007) +#define I2C_IC_ENABLE_STATUS_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_ENABLE_STATUS_SLV_RX_DATA_LOST +// Description : Slave Received Data Lost. This bit indicates if a +// Slave-Receiver operation has been aborted with at least one +// data byte received from an I2C transfer due to the setting bit +// 0 of IC_ENABLE from 1 to 0. When read as 1, DW_apb_i2c is +// deemed to have been actively engaged in an aborted I2C transfer +// (with matching address) and the data phase of the I2C transfer +// has been entered, even though a data byte has been responded +// with a NACK. +// +// Note: If the remote I2C master terminates the transfer with a +// STOP condition before the DW_apb_i2c has a chance to NACK a +// transfer, and IC_ENABLE[0] has been set to 0, then this bit is +// also set to 1. +// +// When read as 0, DW_apb_i2c is deemed to have been disabled +// without being actively involved in the data phase of a +// Slave-Receiver transfer. +// +// Note: The CPU can safely read this bit when IC_EN (bit 0) is +// read as 0. +// +// Reset value: 0x0 +// 0x0 -> Slave RX Data is not lost +// 0x1 -> Slave RX Data is lost +#define I2C_IC_ENABLE_STATUS_SLV_RX_DATA_LOST_RESET _u(0x0) +#define I2C_IC_ENABLE_STATUS_SLV_RX_DATA_LOST_BITS _u(0x00000004) +#define I2C_IC_ENABLE_STATUS_SLV_RX_DATA_LOST_MSB _u(2) +#define I2C_IC_ENABLE_STATUS_SLV_RX_DATA_LOST_LSB _u(2) +#define I2C_IC_ENABLE_STATUS_SLV_RX_DATA_LOST_ACCESS "RO" +#define I2C_IC_ENABLE_STATUS_SLV_RX_DATA_LOST_VALUE_INACTIVE _u(0x0) +#define I2C_IC_ENABLE_STATUS_SLV_RX_DATA_LOST_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_ENABLE_STATUS_SLV_DISABLED_WHILE_BUSY +// Description : Slave Disabled While Busy (Transmit, Receive). This bit +// indicates if a potential or active Slave operation has been +// aborted due to the setting bit 0 of the IC_ENABLE register from +// 1 to 0. This bit is set when the CPU writes a 0 to the +// IC_ENABLE register while: +// +// (a) DW_apb_i2c is receiving the address byte of the +// Slave-Transmitter operation from a remote master; +// +// OR, +// +// (b) address and data bytes of the Slave-Receiver operation from +// a remote master. +// +// When read as 1, DW_apb_i2c is deemed to have forced a NACK +// during any part of an I2C transfer, irrespective of whether the +// I2C address matches the slave address set in DW_apb_i2c (IC_SAR +// register) OR if the transfer is completed before IC_ENABLE is +// set to 0 but has not taken effect. +// +// Note: If the remote I2C master terminates the transfer with a +// STOP condition before the DW_apb_i2c has a chance to NACK a +// transfer, and IC_ENABLE[0] has been set to 0, then this bit +// will also be set to 1. +// +// When read as 0, DW_apb_i2c is deemed to have been disabled when +// there is master activity, or when the I2C bus is idle. +// +// Note: The CPU can safely read this bit when IC_EN (bit 0) is +// read as 0. +// +// Reset value: 0x0 +// 0x0 -> Slave is disabled when it is idle +// 0x1 -> Slave is disabled when it is active +#define I2C_IC_ENABLE_STATUS_SLV_DISABLED_WHILE_BUSY_RESET _u(0x0) +#define I2C_IC_ENABLE_STATUS_SLV_DISABLED_WHILE_BUSY_BITS _u(0x00000002) +#define I2C_IC_ENABLE_STATUS_SLV_DISABLED_WHILE_BUSY_MSB _u(1) +#define I2C_IC_ENABLE_STATUS_SLV_DISABLED_WHILE_BUSY_LSB _u(1) +#define I2C_IC_ENABLE_STATUS_SLV_DISABLED_WHILE_BUSY_ACCESS "RO" +#define I2C_IC_ENABLE_STATUS_SLV_DISABLED_WHILE_BUSY_VALUE_INACTIVE _u(0x0) +#define I2C_IC_ENABLE_STATUS_SLV_DISABLED_WHILE_BUSY_VALUE_ACTIVE _u(0x1) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_ENABLE_STATUS_IC_EN +// Description : ic_en Status. This bit always reflects the value driven on the +// output port ic_en. - When read as 1, DW_apb_i2c is deemed to be +// in an enabled state. - When read as 0, DW_apb_i2c is deemed +// completely inactive. Note: The CPU can safely read this bit +// anytime. When this bit is read as 0, the CPU can safely read +// SLV_RX_DATA_LOST (bit 2) and SLV_DISABLED_WHILE_BUSY (bit 1). +// +// Reset value: 0x0 +// 0x0 -> I2C disabled +// 0x1 -> I2C enabled +#define I2C_IC_ENABLE_STATUS_IC_EN_RESET _u(0x0) +#define I2C_IC_ENABLE_STATUS_IC_EN_BITS _u(0x00000001) +#define I2C_IC_ENABLE_STATUS_IC_EN_MSB _u(0) +#define I2C_IC_ENABLE_STATUS_IC_EN_LSB _u(0) +#define I2C_IC_ENABLE_STATUS_IC_EN_ACCESS "RO" +#define I2C_IC_ENABLE_STATUS_IC_EN_VALUE_DISABLED _u(0x0) +#define I2C_IC_ENABLE_STATUS_IC_EN_VALUE_ENABLED _u(0x1) +// ============================================================================= +// Register : I2C_IC_FS_SPKLEN +// Description : I2C SS, FS or FM+ spike suppression limit +// +// This register is used to store the duration, measured in ic_clk +// cycles, of the longest spike that is filtered out by the spike +// suppression logic when the component is operating in SS, FS or +// FM+ modes. The relevant I2C requirement is tSP (table 4) as +// detailed in the I2C Bus Specification. This register must be +// programmed with a minimum value of 1. +#define I2C_IC_FS_SPKLEN_OFFSET _u(0x000000a0) +#define I2C_IC_FS_SPKLEN_BITS _u(0x000000ff) +#define I2C_IC_FS_SPKLEN_RESET _u(0x00000007) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_FS_SPKLEN_IC_FS_SPKLEN +// Description : This register must be set before any I2C bus transaction can +// take place to ensure stable operation. This register sets the +// duration, measured in ic_clk cycles, of the longest spike in +// the SCL or SDA lines that will be filtered out by the spike +// suppression logic. This register can be written only when the +// I2C interface is disabled which corresponds to the IC_ENABLE[0] +// register being set to 0. Writes at other times have no effect. +// The minimum valid value is 1; hardware prevents values less +// than this being written, and if attempted results in 1 being +// set. or more information, refer to 'Spike Suppression'. +#define I2C_IC_FS_SPKLEN_IC_FS_SPKLEN_RESET _u(0x07) +#define I2C_IC_FS_SPKLEN_IC_FS_SPKLEN_BITS _u(0x000000ff) +#define I2C_IC_FS_SPKLEN_IC_FS_SPKLEN_MSB _u(7) +#define I2C_IC_FS_SPKLEN_IC_FS_SPKLEN_LSB _u(0) +#define I2C_IC_FS_SPKLEN_IC_FS_SPKLEN_ACCESS "RW" +// ============================================================================= +// Register : I2C_IC_CLR_RESTART_DET +// Description : Clear RESTART_DET Interrupt Register +#define I2C_IC_CLR_RESTART_DET_OFFSET _u(0x000000a8) +#define I2C_IC_CLR_RESTART_DET_BITS _u(0x00000001) +#define I2C_IC_CLR_RESTART_DET_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_CLR_RESTART_DET_CLR_RESTART_DET +// Description : Read this register to clear the RESTART_DET interrupt (bit 12) +// of IC_RAW_INTR_STAT register. +// +// Reset value: 0x0 +#define I2C_IC_CLR_RESTART_DET_CLR_RESTART_DET_RESET _u(0x0) +#define I2C_IC_CLR_RESTART_DET_CLR_RESTART_DET_BITS _u(0x00000001) +#define I2C_IC_CLR_RESTART_DET_CLR_RESTART_DET_MSB _u(0) +#define I2C_IC_CLR_RESTART_DET_CLR_RESTART_DET_LSB _u(0) +#define I2C_IC_CLR_RESTART_DET_CLR_RESTART_DET_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_COMP_PARAM_1 +// Description : Component Parameter Register 1 +// +// Note This register is not implemented and therefore reads as 0. +// If it was implemented it would be a constant read-only register +// that contains encoded information about the component's +// parameter settings. Fields shown below are the settings for +// those parameters +#define I2C_IC_COMP_PARAM_1_OFFSET _u(0x000000f4) +#define I2C_IC_COMP_PARAM_1_BITS _u(0x00ffffff) +#define I2C_IC_COMP_PARAM_1_RESET _u(0x00000000) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_COMP_PARAM_1_TX_BUFFER_DEPTH +// Description : TX Buffer Depth = 16 +#define I2C_IC_COMP_PARAM_1_TX_BUFFER_DEPTH_RESET _u(0x00) +#define I2C_IC_COMP_PARAM_1_TX_BUFFER_DEPTH_BITS _u(0x00ff0000) +#define I2C_IC_COMP_PARAM_1_TX_BUFFER_DEPTH_MSB _u(23) +#define I2C_IC_COMP_PARAM_1_TX_BUFFER_DEPTH_LSB _u(16) +#define I2C_IC_COMP_PARAM_1_TX_BUFFER_DEPTH_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : I2C_IC_COMP_PARAM_1_RX_BUFFER_DEPTH +// Description : RX Buffer Depth = 16 +#define I2C_IC_COMP_PARAM_1_RX_BUFFER_DEPTH_RESET _u(0x00) +#define I2C_IC_COMP_PARAM_1_RX_BUFFER_DEPTH_BITS _u(0x0000ff00) +#define I2C_IC_COMP_PARAM_1_RX_BUFFER_DEPTH_MSB _u(15) +#define I2C_IC_COMP_PARAM_1_RX_BUFFER_DEPTH_LSB _u(8) +#define I2C_IC_COMP_PARAM_1_RX_BUFFER_DEPTH_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : I2C_IC_COMP_PARAM_1_ADD_ENCODED_PARAMS +// Description : Encoded parameters not visible +#define I2C_IC_COMP_PARAM_1_ADD_ENCODED_PARAMS_RESET _u(0x0) +#define I2C_IC_COMP_PARAM_1_ADD_ENCODED_PARAMS_BITS _u(0x00000080) +#define I2C_IC_COMP_PARAM_1_ADD_ENCODED_PARAMS_MSB _u(7) +#define I2C_IC_COMP_PARAM_1_ADD_ENCODED_PARAMS_LSB _u(7) +#define I2C_IC_COMP_PARAM_1_ADD_ENCODED_PARAMS_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : I2C_IC_COMP_PARAM_1_HAS_DMA +// Description : DMA handshaking signals are enabled +#define I2C_IC_COMP_PARAM_1_HAS_DMA_RESET _u(0x0) +#define I2C_IC_COMP_PARAM_1_HAS_DMA_BITS _u(0x00000040) +#define I2C_IC_COMP_PARAM_1_HAS_DMA_MSB _u(6) +#define I2C_IC_COMP_PARAM_1_HAS_DMA_LSB _u(6) +#define I2C_IC_COMP_PARAM_1_HAS_DMA_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : I2C_IC_COMP_PARAM_1_INTR_IO +// Description : COMBINED Interrupt outputs +#define I2C_IC_COMP_PARAM_1_INTR_IO_RESET _u(0x0) +#define I2C_IC_COMP_PARAM_1_INTR_IO_BITS _u(0x00000020) +#define I2C_IC_COMP_PARAM_1_INTR_IO_MSB _u(5) +#define I2C_IC_COMP_PARAM_1_INTR_IO_LSB _u(5) +#define I2C_IC_COMP_PARAM_1_INTR_IO_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : I2C_IC_COMP_PARAM_1_HC_COUNT_VALUES +// Description : Programmable count values for each mode. +#define I2C_IC_COMP_PARAM_1_HC_COUNT_VALUES_RESET _u(0x0) +#define I2C_IC_COMP_PARAM_1_HC_COUNT_VALUES_BITS _u(0x00000010) +#define I2C_IC_COMP_PARAM_1_HC_COUNT_VALUES_MSB _u(4) +#define I2C_IC_COMP_PARAM_1_HC_COUNT_VALUES_LSB _u(4) +#define I2C_IC_COMP_PARAM_1_HC_COUNT_VALUES_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : I2C_IC_COMP_PARAM_1_MAX_SPEED_MODE +// Description : MAX SPEED MODE = FAST MODE +#define I2C_IC_COMP_PARAM_1_MAX_SPEED_MODE_RESET _u(0x0) +#define I2C_IC_COMP_PARAM_1_MAX_SPEED_MODE_BITS _u(0x0000000c) +#define I2C_IC_COMP_PARAM_1_MAX_SPEED_MODE_MSB _u(3) +#define I2C_IC_COMP_PARAM_1_MAX_SPEED_MODE_LSB _u(2) +#define I2C_IC_COMP_PARAM_1_MAX_SPEED_MODE_ACCESS "RO" +// ----------------------------------------------------------------------------- +// Field : I2C_IC_COMP_PARAM_1_APB_DATA_WIDTH +// Description : APB data bus width is 32 bits +#define I2C_IC_COMP_PARAM_1_APB_DATA_WIDTH_RESET _u(0x0) +#define I2C_IC_COMP_PARAM_1_APB_DATA_WIDTH_BITS _u(0x00000003) +#define I2C_IC_COMP_PARAM_1_APB_DATA_WIDTH_MSB _u(1) +#define I2C_IC_COMP_PARAM_1_APB_DATA_WIDTH_LSB _u(0) +#define I2C_IC_COMP_PARAM_1_APB_DATA_WIDTH_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_COMP_VERSION +// Description : I2C Component Version Register +#define I2C_IC_COMP_VERSION_OFFSET _u(0x000000f8) +#define I2C_IC_COMP_VERSION_BITS _u(0xffffffff) +#define I2C_IC_COMP_VERSION_RESET _u(0x3230312a) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_COMP_VERSION_IC_COMP_VERSION +// Description : None +#define I2C_IC_COMP_VERSION_IC_COMP_VERSION_RESET _u(0x3230312a) +#define I2C_IC_COMP_VERSION_IC_COMP_VERSION_BITS _u(0xffffffff) +#define I2C_IC_COMP_VERSION_IC_COMP_VERSION_MSB _u(31) +#define I2C_IC_COMP_VERSION_IC_COMP_VERSION_LSB _u(0) +#define I2C_IC_COMP_VERSION_IC_COMP_VERSION_ACCESS "RO" +// ============================================================================= +// Register : I2C_IC_COMP_TYPE +// Description : I2C Component Type Register +#define I2C_IC_COMP_TYPE_OFFSET _u(0x000000fc) +#define I2C_IC_COMP_TYPE_BITS _u(0xffffffff) +#define I2C_IC_COMP_TYPE_RESET _u(0x44570140) +// ----------------------------------------------------------------------------- +// Field : I2C_IC_COMP_TYPE_IC_COMP_TYPE +// Description : Designware Component Type number = 0x44_57_01_40. This assigned +// unique hex value is constant and is derived from the two ASCII +// letters 'DW' followed by a 16-bit unsigned number. +#define I2C_IC_COMP_TYPE_IC_COMP_TYPE_RESET _u(0x44570140) +#define I2C_IC_COMP_TYPE_IC_COMP_TYPE_BITS _u(0xffffffff) +#define I2C_IC_COMP_TYPE_IC_COMP_TYPE_MSB _u(31) +#define I2C_IC_COMP_TYPE_IC_COMP_TYPE_LSB _u(0) +#define I2C_IC_COMP_TYPE_IC_COMP_TYPE_ACCESS "RO" +// ============================================================================= +#endif // HARDWARE_REGS_I2C_DEFINED |