mirror of https://github.com/Desuuuu/klipper.git
2640 lines
148 KiB
C
2640 lines
148 KiB
C
/**
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* Copyright (c) 2021 Raspberry Pi (Trading) Ltd.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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// =============================================================================
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// Register block : I2C
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// Version : 1
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// Bus type : apb
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// Description : DW_apb_i2c address block
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// =============================================================================
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#ifndef HARDWARE_REGS_I2C_DEFINED
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#define HARDWARE_REGS_I2C_DEFINED
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// =============================================================================
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// Register : I2C_IC_CON
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// Description : I2C Control Register. This register can be written only when
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// the DW_apb_i2c is disabled, which corresponds to the
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// IC_ENABLE[0] register being set to 0. Writes at other times
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// have no effect.
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//
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// Read/Write Access: - bit 10 is read only. - bit 11 is read only
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// - bit 16 is read only - bit 17 is read only - bits 18 and 19
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// are read only.
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#define I2C_IC_CON_OFFSET _u(0x00000000)
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#define I2C_IC_CON_BITS _u(0x000007ff)
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#define I2C_IC_CON_RESET _u(0x00000065)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE
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// Description : Master issues the STOP_DET interrupt irrespective of whether
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// master is active or not
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#define I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE_RESET _u(0x0)
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#define I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE_BITS _u(0x00000400)
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#define I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE_MSB _u(10)
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#define I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE_LSB _u(10)
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#define I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE_ACCESS "RO"
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL
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// Description : This bit controls whether DW_apb_i2c should hold the bus when
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// the Rx FIFO is physically full to its RX_BUFFER_DEPTH, as
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// described in the IC_RX_FULL_HLD_BUS_EN parameter.
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//
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// Reset value: 0x0.
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// 0x0 -> Overflow when RX_FIFO is full
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// 0x1 -> Hold bus when RX_FIFO is full
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#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_RESET _u(0x0)
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#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_BITS _u(0x00000200)
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#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_MSB _u(9)
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#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_LSB _u(9)
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#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_ACCESS "RW"
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#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_VALUE_DISABLED _u(0x0)
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#define I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL_VALUE_ENABLED _u(0x1)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_CON_TX_EMPTY_CTRL
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// Description : This bit controls the generation of the TX_EMPTY interrupt, as
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// described in the IC_RAW_INTR_STAT register.
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//
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// Reset value: 0x0.
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// 0x0 -> Default behaviour of TX_EMPTY interrupt
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// 0x1 -> Controlled generation of TX_EMPTY interrupt
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#define I2C_IC_CON_TX_EMPTY_CTRL_RESET _u(0x0)
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#define I2C_IC_CON_TX_EMPTY_CTRL_BITS _u(0x00000100)
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#define I2C_IC_CON_TX_EMPTY_CTRL_MSB _u(8)
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#define I2C_IC_CON_TX_EMPTY_CTRL_LSB _u(8)
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#define I2C_IC_CON_TX_EMPTY_CTRL_ACCESS "RW"
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#define I2C_IC_CON_TX_EMPTY_CTRL_VALUE_DISABLED _u(0x0)
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#define I2C_IC_CON_TX_EMPTY_CTRL_VALUE_ENABLED _u(0x1)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_CON_STOP_DET_IFADDRESSED
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// Description : In slave mode: - 1'b1: issues the STOP_DET interrupt only when
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// it is addressed. - 1'b0: issues the STOP_DET irrespective of
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// whether it's addressed or not. Reset value: 0x0
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//
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// NOTE: During a general call address, this slave does not issue
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// the STOP_DET interrupt if STOP_DET_IF_ADDRESSED = 1'b1, even if
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// the slave responds to the general call address by generating
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// ACK. The STOP_DET interrupt is generated only when the
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// transmitted address matches the slave address (SAR).
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// 0x0 -> slave issues STOP_DET intr always
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// 0x1 -> slave issues STOP_DET intr only if addressed
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#define I2C_IC_CON_STOP_DET_IFADDRESSED_RESET _u(0x0)
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#define I2C_IC_CON_STOP_DET_IFADDRESSED_BITS _u(0x00000080)
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#define I2C_IC_CON_STOP_DET_IFADDRESSED_MSB _u(7)
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#define I2C_IC_CON_STOP_DET_IFADDRESSED_LSB _u(7)
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#define I2C_IC_CON_STOP_DET_IFADDRESSED_ACCESS "RW"
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#define I2C_IC_CON_STOP_DET_IFADDRESSED_VALUE_DISABLED _u(0x0)
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#define I2C_IC_CON_STOP_DET_IFADDRESSED_VALUE_ENABLED _u(0x1)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_CON_IC_SLAVE_DISABLE
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// Description : This bit controls whether I2C has its slave disabled, which
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// means once the presetn signal is applied, then this bit is set
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// and the slave is disabled.
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//
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// If this bit is set (slave is disabled), DW_apb_i2c functions
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// only as a master and does not perform any action that requires
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// a slave.
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//
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// NOTE: Software should ensure that if this bit is written with
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// 0, then bit 0 should also be written with a 0.
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// 0x0 -> Slave mode is enabled
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// 0x1 -> Slave mode is disabled
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#define I2C_IC_CON_IC_SLAVE_DISABLE_RESET _u(0x1)
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#define I2C_IC_CON_IC_SLAVE_DISABLE_BITS _u(0x00000040)
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#define I2C_IC_CON_IC_SLAVE_DISABLE_MSB _u(6)
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#define I2C_IC_CON_IC_SLAVE_DISABLE_LSB _u(6)
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#define I2C_IC_CON_IC_SLAVE_DISABLE_ACCESS "RW"
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#define I2C_IC_CON_IC_SLAVE_DISABLE_VALUE_SLAVE_ENABLED _u(0x0)
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#define I2C_IC_CON_IC_SLAVE_DISABLE_VALUE_SLAVE_DISABLED _u(0x1)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_CON_IC_RESTART_EN
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// Description : Determines whether RESTART conditions may be sent when acting
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// as a master. Some older slaves do not support handling RESTART
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// conditions; however, RESTART conditions are used in several
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// DW_apb_i2c operations. When RESTART is disabled, the master is
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// prohibited from performing the following functions: - Sending a
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// START BYTE - Performing any high-speed mode operation -
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// High-speed mode operation - Performing direction changes in
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// combined format mode - Performing a read operation with a
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// 10-bit address By replacing RESTART condition followed by a
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// STOP and a subsequent START condition, split operations are
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// broken down into multiple DW_apb_i2c transfers. If the above
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// operations are performed, it will result in setting bit 6
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// (TX_ABRT) of the IC_RAW_INTR_STAT register.
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//
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// Reset value: ENABLED
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// 0x0 -> Master restart disabled
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// 0x1 -> Master restart enabled
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#define I2C_IC_CON_IC_RESTART_EN_RESET _u(0x1)
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#define I2C_IC_CON_IC_RESTART_EN_BITS _u(0x00000020)
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#define I2C_IC_CON_IC_RESTART_EN_MSB _u(5)
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#define I2C_IC_CON_IC_RESTART_EN_LSB _u(5)
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#define I2C_IC_CON_IC_RESTART_EN_ACCESS "RW"
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#define I2C_IC_CON_IC_RESTART_EN_VALUE_DISABLED _u(0x0)
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#define I2C_IC_CON_IC_RESTART_EN_VALUE_ENABLED _u(0x1)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_CON_IC_10BITADDR_MASTER
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// Description : Controls whether the DW_apb_i2c starts its transfers in 7- or
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// 10-bit addressing mode when acting as a master. - 0: 7-bit
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// addressing - 1: 10-bit addressing
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// 0x0 -> Master 7Bit addressing mode
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// 0x1 -> Master 10Bit addressing mode
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#define I2C_IC_CON_IC_10BITADDR_MASTER_RESET _u(0x0)
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#define I2C_IC_CON_IC_10BITADDR_MASTER_BITS _u(0x00000010)
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#define I2C_IC_CON_IC_10BITADDR_MASTER_MSB _u(4)
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#define I2C_IC_CON_IC_10BITADDR_MASTER_LSB _u(4)
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#define I2C_IC_CON_IC_10BITADDR_MASTER_ACCESS "RW"
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#define I2C_IC_CON_IC_10BITADDR_MASTER_VALUE_ADDR_7BITS _u(0x0)
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#define I2C_IC_CON_IC_10BITADDR_MASTER_VALUE_ADDR_10BITS _u(0x1)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_CON_IC_10BITADDR_SLAVE
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// Description : When acting as a slave, this bit controls whether the
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// DW_apb_i2c responds to 7- or 10-bit addresses. - 0: 7-bit
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// addressing. The DW_apb_i2c ignores transactions that involve
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// 10-bit addressing; for 7-bit addressing, only the lower 7 bits
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// of the IC_SAR register are compared. - 1: 10-bit addressing.
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// The DW_apb_i2c responds to only 10-bit addressing transfers
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// that match the full 10 bits of the IC_SAR register.
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// 0x0 -> Slave 7Bit addressing
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// 0x1 -> Slave 10Bit addressing
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#define I2C_IC_CON_IC_10BITADDR_SLAVE_RESET _u(0x0)
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#define I2C_IC_CON_IC_10BITADDR_SLAVE_BITS _u(0x00000008)
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#define I2C_IC_CON_IC_10BITADDR_SLAVE_MSB _u(3)
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#define I2C_IC_CON_IC_10BITADDR_SLAVE_LSB _u(3)
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#define I2C_IC_CON_IC_10BITADDR_SLAVE_ACCESS "RW"
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#define I2C_IC_CON_IC_10BITADDR_SLAVE_VALUE_ADDR_7BITS _u(0x0)
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#define I2C_IC_CON_IC_10BITADDR_SLAVE_VALUE_ADDR_10BITS _u(0x1)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_CON_SPEED
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// Description : These bits control at which speed the DW_apb_i2c operates; its
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// setting is relevant only if one is operating the DW_apb_i2c in
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// master mode. Hardware protects against illegal values being
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// programmed by software. These bits must be programmed
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// appropriately for slave mode also, as it is used to capture
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// correct value of spike filter as per the speed mode.
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//
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// This register should be programmed only with a value in the
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// range of 1 to IC_MAX_SPEED_MODE; otherwise, hardware updates
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// this register with the value of IC_MAX_SPEED_MODE.
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//
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// 1: standard mode (100 kbit/s)
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//
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// 2: fast mode (<=400 kbit/s) or fast mode plus (<=1000Kbit/s)
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//
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// 3: high speed mode (3.4 Mbit/s)
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//
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// Note: This field is not applicable when IC_ULTRA_FAST_MODE=1
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// 0x1 -> Standard Speed mode of operation
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// 0x2 -> Fast or Fast Plus mode of operation
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// 0x3 -> High Speed mode of operation
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#define I2C_IC_CON_SPEED_RESET _u(0x2)
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#define I2C_IC_CON_SPEED_BITS _u(0x00000006)
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#define I2C_IC_CON_SPEED_MSB _u(2)
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#define I2C_IC_CON_SPEED_LSB _u(1)
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#define I2C_IC_CON_SPEED_ACCESS "RW"
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#define I2C_IC_CON_SPEED_VALUE_STANDARD _u(0x1)
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#define I2C_IC_CON_SPEED_VALUE_FAST _u(0x2)
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#define I2C_IC_CON_SPEED_VALUE_HIGH _u(0x3)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_CON_MASTER_MODE
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// Description : This bit controls whether the DW_apb_i2c master is enabled.
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//
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// NOTE: Software should ensure that if this bit is written with
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// '1' then bit 6 should also be written with a '1'.
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// 0x0 -> Master mode is disabled
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// 0x1 -> Master mode is enabled
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#define I2C_IC_CON_MASTER_MODE_RESET _u(0x1)
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#define I2C_IC_CON_MASTER_MODE_BITS _u(0x00000001)
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#define I2C_IC_CON_MASTER_MODE_MSB _u(0)
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#define I2C_IC_CON_MASTER_MODE_LSB _u(0)
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#define I2C_IC_CON_MASTER_MODE_ACCESS "RW"
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#define I2C_IC_CON_MASTER_MODE_VALUE_DISABLED _u(0x0)
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#define I2C_IC_CON_MASTER_MODE_VALUE_ENABLED _u(0x1)
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// =============================================================================
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// Register : I2C_IC_TAR
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// Description : I2C Target Address Register
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//
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// This register is 12 bits wide, and bits 31:12 are reserved.
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// This register can be written to only when IC_ENABLE[0] is set
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// to 0.
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//
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// Note: If the software or application is aware that the
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// DW_apb_i2c is not using the TAR address for the pending
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// commands in the Tx FIFO, then it is possible to update the TAR
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// address even while the Tx FIFO has entries (IC_STATUS[2]= 0). -
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// It is not necessary to perform any write to this register if
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// DW_apb_i2c is enabled as an I2C slave only.
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#define I2C_IC_TAR_OFFSET _u(0x00000004)
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#define I2C_IC_TAR_BITS _u(0x00000fff)
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#define I2C_IC_TAR_RESET _u(0x00000055)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_TAR_SPECIAL
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// Description : This bit indicates whether software performs a Device-ID or
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// General Call or START BYTE command. - 0: ignore bit 10
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// GC_OR_START and use IC_TAR normally - 1: perform special I2C
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// command as specified in Device_ID or GC_OR_START bit Reset
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// value: 0x0
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// 0x0 -> Disables programming of GENERAL_CALL or START_BYTE
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// transmission
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// 0x1 -> Enables programming of GENERAL_CALL or START_BYTE
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// transmission
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#define I2C_IC_TAR_SPECIAL_RESET _u(0x0)
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#define I2C_IC_TAR_SPECIAL_BITS _u(0x00000800)
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#define I2C_IC_TAR_SPECIAL_MSB _u(11)
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#define I2C_IC_TAR_SPECIAL_LSB _u(11)
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#define I2C_IC_TAR_SPECIAL_ACCESS "RW"
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#define I2C_IC_TAR_SPECIAL_VALUE_DISABLED _u(0x0)
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#define I2C_IC_TAR_SPECIAL_VALUE_ENABLED _u(0x1)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_TAR_GC_OR_START
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// Description : If bit 11 (SPECIAL) is set to 1 and bit 13(Device-ID) is set to
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// 0, then this bit indicates whether a General Call or START byte
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// command is to be performed by the DW_apb_i2c. - 0: General Call
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// Address - after issuing a General Call, only writes may be
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// performed. Attempting to issue a read command results in
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// setting bit 6 (TX_ABRT) of the IC_RAW_INTR_STAT register. The
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// DW_apb_i2c remains in General Call mode until the SPECIAL bit
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// value (bit 11) is cleared. - 1: START BYTE Reset value: 0x0
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// 0x0 -> GENERAL_CALL byte transmission
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// 0x1 -> START byte transmission
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#define I2C_IC_TAR_GC_OR_START_RESET _u(0x0)
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#define I2C_IC_TAR_GC_OR_START_BITS _u(0x00000400)
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#define I2C_IC_TAR_GC_OR_START_MSB _u(10)
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#define I2C_IC_TAR_GC_OR_START_LSB _u(10)
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#define I2C_IC_TAR_GC_OR_START_ACCESS "RW"
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#define I2C_IC_TAR_GC_OR_START_VALUE_GENERAL_CALL _u(0x0)
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#define I2C_IC_TAR_GC_OR_START_VALUE_START_BYTE _u(0x1)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_TAR_IC_TAR
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// Description : This is the target address for any master transaction. When
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// transmitting a General Call, these bits are ignored. To
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// generate a START BYTE, the CPU needs to write only once into
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// these bits.
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//
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// If the IC_TAR and IC_SAR are the same, loopback exists but the
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// FIFOs are shared between master and slave, so full loopback is
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// not feasible. Only one direction loopback mode is supported
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// (simplex), not duplex. A master cannot transmit to itself; it
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// can transmit to only a slave.
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#define I2C_IC_TAR_IC_TAR_RESET _u(0x055)
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#define I2C_IC_TAR_IC_TAR_BITS _u(0x000003ff)
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#define I2C_IC_TAR_IC_TAR_MSB _u(9)
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#define I2C_IC_TAR_IC_TAR_LSB _u(0)
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#define I2C_IC_TAR_IC_TAR_ACCESS "RW"
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// =============================================================================
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// Register : I2C_IC_SAR
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// Description : I2C Slave Address Register
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#define I2C_IC_SAR_OFFSET _u(0x00000008)
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#define I2C_IC_SAR_BITS _u(0x000003ff)
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#define I2C_IC_SAR_RESET _u(0x00000055)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_SAR_IC_SAR
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// Description : The IC_SAR holds the slave address when the I2C is operating as
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// a slave. For 7-bit addressing, only IC_SAR[6:0] is used.
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//
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// This register can be written only when the I2C interface is
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// disabled, which corresponds to the IC_ENABLE[0] register being
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// set to 0. Writes at other times have no effect.
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//
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// Note: The default values cannot be any of the reserved address
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// locations: that is, 0x00 to 0x07, or 0x78 to 0x7f. The correct
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// operation of the device is not guaranteed if you program the
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// IC_SAR or IC_TAR to a reserved value. Refer to
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// <<table_I2C_firstbyte_bit_defs>> for a complete list of these
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// reserved values.
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#define I2C_IC_SAR_IC_SAR_RESET _u(0x055)
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#define I2C_IC_SAR_IC_SAR_BITS _u(0x000003ff)
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#define I2C_IC_SAR_IC_SAR_MSB _u(9)
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#define I2C_IC_SAR_IC_SAR_LSB _u(0)
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#define I2C_IC_SAR_IC_SAR_ACCESS "RW"
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// =============================================================================
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// Register : I2C_IC_DATA_CMD
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// Description : I2C Rx/Tx Data Buffer and Command Register; this is the
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// register the CPU writes to when filling the TX FIFO and the CPU
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// reads from when retrieving bytes from RX FIFO.
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//
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// The size of the register changes as follows:
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//
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// Write: - 11 bits when IC_EMPTYFIFO_HOLD_MASTER_EN=1 - 9 bits
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// when IC_EMPTYFIFO_HOLD_MASTER_EN=0 Read: - 12 bits when
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// IC_FIRST_DATA_BYTE_STATUS = 1 - 8 bits when
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// IC_FIRST_DATA_BYTE_STATUS = 0 Note: In order for the DW_apb_i2c
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// to continue acknowledging reads, a read command should be
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// written for every byte that is to be received; otherwise the
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// DW_apb_i2c will stop acknowledging.
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#define I2C_IC_DATA_CMD_OFFSET _u(0x00000010)
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#define I2C_IC_DATA_CMD_BITS _u(0x00000fff)
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#define I2C_IC_DATA_CMD_RESET _u(0x00000000)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_DATA_CMD_FIRST_DATA_BYTE
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// Description : Indicates the first data byte received after the address phase
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// for receive transfer in Master receiver or Slave receiver mode.
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//
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// Reset value : 0x0
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//
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// NOTE: In case of APB_DATA_WIDTH=8,
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//
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// 1. The user has to perform two APB Reads to IC_DATA_CMD in
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// order to get status on 11 bit.
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//
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// 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)
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#define I2C_IC_COMP_PARAM_1_APB_DATA_WIDTH_BITS _u(0x00000003)
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#define I2C_IC_COMP_PARAM_1_APB_DATA_WIDTH_MSB _u(1)
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#define I2C_IC_COMP_PARAM_1_APB_DATA_WIDTH_LSB _u(0)
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#define I2C_IC_COMP_PARAM_1_APB_DATA_WIDTH_ACCESS "RO"
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// =============================================================================
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// Register : I2C_IC_COMP_VERSION
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// Description : I2C Component Version Register
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#define I2C_IC_COMP_VERSION_OFFSET _u(0x000000f8)
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#define I2C_IC_COMP_VERSION_BITS _u(0xffffffff)
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#define I2C_IC_COMP_VERSION_RESET _u(0x3230312a)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_COMP_VERSION_IC_COMP_VERSION
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// Description : None
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#define I2C_IC_COMP_VERSION_IC_COMP_VERSION_RESET _u(0x3230312a)
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#define I2C_IC_COMP_VERSION_IC_COMP_VERSION_BITS _u(0xffffffff)
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#define I2C_IC_COMP_VERSION_IC_COMP_VERSION_MSB _u(31)
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#define I2C_IC_COMP_VERSION_IC_COMP_VERSION_LSB _u(0)
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#define I2C_IC_COMP_VERSION_IC_COMP_VERSION_ACCESS "RO"
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// =============================================================================
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// Register : I2C_IC_COMP_TYPE
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// Description : I2C Component Type Register
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#define I2C_IC_COMP_TYPE_OFFSET _u(0x000000fc)
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#define I2C_IC_COMP_TYPE_BITS _u(0xffffffff)
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#define I2C_IC_COMP_TYPE_RESET _u(0x44570140)
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// -----------------------------------------------------------------------------
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// Field : I2C_IC_COMP_TYPE_IC_COMP_TYPE
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// Description : Designware Component Type number = 0x44_57_01_40. This assigned
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// unique hex value is constant and is derived from the two ASCII
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// letters 'DW' followed by a 16-bit unsigned number.
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#define I2C_IC_COMP_TYPE_IC_COMP_TYPE_RESET _u(0x44570140)
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#define I2C_IC_COMP_TYPE_IC_COMP_TYPE_BITS _u(0xffffffff)
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#define I2C_IC_COMP_TYPE_IC_COMP_TYPE_MSB _u(31)
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#define I2C_IC_COMP_TYPE_IC_COMP_TYPE_LSB _u(0)
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#define I2C_IC_COMP_TYPE_IC_COMP_TYPE_ACCESS "RO"
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// =============================================================================
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#endif // HARDWARE_REGS_I2C_DEFINED
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