mirror of https://github.com/acidanthera/audk.git
132 lines
7.6 KiB
C
132 lines
7.6 KiB
C
/** @file
|
|
Register Definitions for I2C Driver/PEIM.
|
|
|
|
Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>
|
|
|
|
This program and the accompanying materials are licensed and made available under
|
|
the terms and conditions of the BSD License that accompanies this distribution.
|
|
The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php.
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
--*/
|
|
|
|
#ifndef I2C_REGS_H
|
|
#define I2C_REGS_H
|
|
|
|
//
|
|
// FIFO write delay value.
|
|
//
|
|
#define FIFO_WRITE_DELAY 2
|
|
|
|
//
|
|
// MMIO Register Definitions.
|
|
//
|
|
#define R_IC_CON ( 0x00) // I2C Control
|
|
#define B_IC_RESTART_EN BIT5
|
|
#define B_IC_SLAVE_DISABLE BIT6
|
|
#define V_SPEED_STANDARD 0x02
|
|
#define V_SPEED_FAST 0x04
|
|
#define V_SPEED_HIGH 0x06
|
|
#define B_MASTER_MODE BIT0
|
|
|
|
#define R_IC_TAR ( 0x04) // I2C Target Address
|
|
#define IC_TAR_10BITADDR_MASTER BIT12
|
|
|
|
#define R_IC_SAR ( 0x08) // I2C Slave Address
|
|
#define R_IC_HS_MADDR ( 0x0C) // I2C HS MasterMode Code Address
|
|
#define R_IC_DATA_CMD ( 0x10) // I2C Rx/Tx Data Buffer and Command
|
|
|
|
#define B_READ_CMD BIT8 // 1 = read, 0 = write
|
|
#define B_CMD_STOP BIT9 // 1 = STOP
|
|
#define B_CMD_RESTART BIT10 // 1 = IC_RESTART_EN
|
|
|
|
#define V_WRITE_CMD_MASK ( 0xFF)
|
|
|
|
#define R_IC_SS_SCL_HCNT ( 0x14) // Standard Speed I2C Clock SCL High Count
|
|
#define R_IC_SS_SCL_LCNT ( 0x18) // Standard Speed I2C Clock SCL Low Count
|
|
#define R_IC_FS_SCL_HCNT ( 0x1C) // Full Speed I2C Clock SCL High Count
|
|
#define R_IC_FS_SCL_LCNT ( 0x20) // Full Speed I2C Clock SCL Low Count
|
|
#define R_IC_HS_SCL_HCNT ( 0x24) // High Speed I2C Clock SCL High Count
|
|
#define R_IC_HS_SCL_LCNT ( 0x28) // High Speed I2C Clock SCL Low Count
|
|
#define R_IC_INTR_STAT ( 0x2C) // I2C Inetrrupt Status
|
|
#define R_IC_INTR_MASK ( 0x30) // I2C Interrupt Mask
|
|
#define I2C_INTR_GEN_CALL BIT11 // General call received
|
|
#define I2C_INTR_START_DET BIT10
|
|
#define I2C_INTR_STOP_DET BIT9
|
|
#define I2C_INTR_ACTIVITY BIT8
|
|
#define I2C_INTR_TX_ABRT BIT6 // Set on NACK
|
|
#define I2C_INTR_TX_EMPTY BIT4
|
|
#define I2C_INTR_TX_OVER BIT3
|
|
#define I2C_INTR_RX_FULL BIT2 // Data bytes in RX FIFO over threshold
|
|
#define I2C_INTR_RX_OVER BIT1
|
|
#define I2C_INTR_RX_UNDER BIT0
|
|
#define R_IC_RawIntrStat ( 0x34) // I2C Raw Interrupt Status
|
|
#define R_IC_RX_TL ( 0x38) // I2C Receive FIFO Threshold
|
|
#define R_IC_TX_TL ( 0x3C) // I2C Transmit FIFO Threshold
|
|
#define R_IC_CLR_INTR ( 0x40) // Clear Combined and Individual Interrupts
|
|
#define R_IC_CLR_RX_UNDER ( 0x44) // Clear RX_UNDER Interrupt
|
|
#define R_IC_CLR_RX_OVER ( 0x48) // Clear RX_OVERinterrupt
|
|
#define R_IC_CLR_TX_OVER ( 0x4C) // Clear TX_OVER interrupt
|
|
#define R_IC_CLR_RD_REQ ( 0x50) // Clear RD_REQ interrupt
|
|
#define R_IC_CLR_TX_ABRT ( 0x54) // Clear TX_ABRT interrupt
|
|
#define R_IC_CLR_RX_DONE ( 0x58) // Clear RX_DONE interrupt
|
|
#define R_IC_CLR_ACTIVITY ( 0x5C) // Clear ACTIVITY interrupt
|
|
#define R_IC_CLR_STOP_DET ( 0x60) // Clear STOP_DET interrupt
|
|
#define R_IC_CLR_START_DET ( 0x64) // Clear START_DET interrupt
|
|
#define R_IC_CLR_GEN_CALL ( 0x68) // Clear GEN_CALL interrupt
|
|
#define R_IC_ENABLE ( 0x6C) // I2C Enable
|
|
#define R_IC_STATUS ( 0x70) // I2C Status
|
|
|
|
#define R_IC_SDA_HOLD ( 0x7C) // I2C IC_DEFAULT_SDA_HOLD//16bits
|
|
|
|
#define STAT_MST_ACTIVITY BIT5 // Master FSM Activity Status.
|
|
#define STAT_RFF BIT4 // RX FIFO is completely full
|
|
#define STAT_RFNE BIT3 // RX FIFO is not empty
|
|
#define STAT_TFE BIT2 // TX FIFO is completely empty
|
|
#define STAT_TFNF BIT1 // TX FIFO is not full
|
|
|
|
#define R_IC_TXFLR ( 0x74) // Transmit FIFO Level Register
|
|
#define R_IC_RXFLR ( 0x78) // Receive FIFO Level Register
|
|
#define R_IC_TX_ABRT_SOURCE ( 0x80) // I2C Transmit Abort Status Register
|
|
#define R_IC_SLV_DATA_NACK_ONLY ( 0x84) // Generate SLV_DATA_NACK Register
|
|
#define R_IC_DMA_CR ( 0x88) // DMA Control Register
|
|
#define R_IC_DMA_TDLR ( 0x8C) // DMA Transmit Data Level
|
|
#define R_IC_DMA_RDLR ( 0x90) // DMA Receive Data Level
|
|
#define R_IC_SDA_SETUP ( 0x94) // I2C SDA Setup Register
|
|
#define R_IC_ACK_GENERAL_CALL ( 0x98) // I2C ACK General Call Register
|
|
#define R_IC_ENABLE_STATUS ( 0x9C) // I2C Enable Status Register
|
|
#define R_IC_COMP_PARAM ( 0xF4) // Component Parameter Register
|
|
#define R_IC_COMP_VERSION ( 0xF8) // Component Version ID
|
|
#define R_IC_COMP_TYPE ( 0xFC) // Component Type
|
|
|
|
#define I2C_SS_SCL_HCNT_VALUE_100M 0x1DD
|
|
#define I2C_SS_SCL_LCNT_VALUE_100M 0x1E4
|
|
#define I2C_FS_SCL_HCNT_VALUE_100M 0x54
|
|
#define I2C_FS_SCL_LCNT_VALUE_100M 0x9a
|
|
#define I2C_HS_SCL_HCNT_VALUE_100M 0x7
|
|
#define I2C_HS_SCL_LCNT_VALUE_100M 0xE
|
|
|
|
#define IC_TAR_10BITADDR_MASTER BIT12
|
|
#define FIFO_SIZE 32
|
|
#define R_IC_INTR_STAT ( 0x2C) // I2c Inetrrupt Status
|
|
#define R_IC_INTR_MASK ( 0x30) // I2c Interrupt Mask
|
|
#define I2C_INTR_GEN_CALL BIT11 // General call received
|
|
#define I2C_INTR_START_DET BIT10
|
|
#define I2C_INTR_STOP_DET BIT9
|
|
#define I2C_INTR_ACTIVITY BIT8
|
|
#define I2C_INTR_TX_ABRT BIT6 // Set on NACK
|
|
#define I2C_INTR_TX_EMPTY BIT4
|
|
#define I2C_INTR_TX_OVER BIT3
|
|
#define I2C_INTR_RX_FULL BIT2 // Data bytes in RX FIFO over threshold
|
|
#define I2C_INTR_RX_OVER BIT1
|
|
#define I2C_INTR_RX_UNDER BIT0
|
|
|
|
#define R_PCH_LPIO_I2C_MEM_RESETS 0x804 // Software Reset
|
|
#define B_PCH_LPIO_I2C_MEM_RESETS_FUNC BIT1 // Function Clock Domain Reset
|
|
#define B_PCH_LPIO_I2C_MEM_RESETS_APB BIT0 // APB Domain Reset
|
|
#define R_PCH_LPSS_I2C_MEM_PCP 0x800 // Private Clock Parameters
|
|
|
|
#endif |