diff options
Diffstat (limited to 'board/xilinx/xilinx_iic/xiic_l.h')
| -rw-r--r-- | board/xilinx/xilinx_iic/xiic_l.h | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/board/xilinx/xilinx_iic/xiic_l.h b/board/xilinx/xilinx_iic/xiic_l.h deleted file mode 100644 index a2c4c496a9..0000000000 --- a/board/xilinx/xilinx_iic/xiic_l.h +++ /dev/null @@ -1,150 +0,0 @@ -/* $Id: xiic_l.h,v 1.2 2002/12/05 19:32:40 meinelte Exp $ */ -/***************************************************************************** -* -* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" -* AS A COURTESY TO YOU, SOLELY FOR USE IN DEVELOPING PROGRAMS AND -* SOLUTIONS FOR XILINX DEVICES. BY PROVIDING THIS DESIGN, CODE, -* OR INFORMATION AS ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, -* APPLICATION OR STANDARD, XILINX IS MAKING NO REPRESENTATION -* THAT THIS IMPLEMENTATION IS FREE FROM ANY CLAIMS OF INFRINGEMENT, -* AND YOU ARE RESPONSIBLE FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE -* FOR YOUR IMPLEMENTATION. XILINX EXPRESSLY DISCLAIMS ANY -* WARRANTY WHATSOEVER WITH RESPECT TO THE ADEQUACY OF THE -* IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OR -* REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM CLAIMS OF -* INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -* FOR A PARTICULAR PURPOSE. -* -* (c) Copyright 2002 Xilinx Inc. -* All rights reserved. -* -*****************************************************************************/ -/****************************************************************************/ -/** -* -* @file xiic_l.h -* -* This header file contains identifiers and low-level driver functions (or -* macros) that can be used to access the device. High-level driver functions -* are defined in xiic.h. -* -* <pre> -* MODIFICATION HISTORY: -* -* Ver Who Date Changes -* ----- ---- -------- ----------------------------------------------- -* 1.00b jhl 05/07/02 First release -* 1.01c ecm 12/05/02 new rev -* </pre> -* -*****************************************************************************/ - -#ifndef XIIC_L_H /* prevent circular inclusions */ -#define XIIC_L_H /* by using protection macros */ - -/***************************** Include Files ********************************/ - -#include "xbasic_types.h" - -/************************** Constant Definitions ****************************/ - -#define XIIC_MSB_OFFSET 3 - -#define XIIC_REG_OFFSET 0x100 + XIIC_MSB_OFFSET - -/* - * Register offsets in bytes from RegisterBase. Three is added to the - * base offset to access LSB (IBM style) of the word - */ -#define XIIC_CR_REG_OFFSET 0x00+XIIC_REG_OFFSET /* Control Register */ -#define XIIC_SR_REG_OFFSET 0x04+XIIC_REG_OFFSET /* Status Register */ -#define XIIC_DTR_REG_OFFSET 0x08+XIIC_REG_OFFSET /* Data Tx Register */ -#define XIIC_DRR_REG_OFFSET 0x0C+XIIC_REG_OFFSET /* Data Rx Register */ -#define XIIC_ADR_REG_OFFSET 0x10+XIIC_REG_OFFSET /* Address Register */ -#define XIIC_TFO_REG_OFFSET 0x14+XIIC_REG_OFFSET /* Tx FIFO Occupancy */ -#define XIIC_RFO_REG_OFFSET 0x18+XIIC_REG_OFFSET /* Rx FIFO Occupancy */ -#define XIIC_TBA_REG_OFFSET 0x1C+XIIC_REG_OFFSET /* 10 Bit Address reg */ -#define XIIC_RFD_REG_OFFSET 0x20+XIIC_REG_OFFSET /* Rx FIFO Depth reg */ - -/* Control Register masks */ - -#define XIIC_CR_ENABLE_DEVICE_MASK 0x01 /* Device enable = 1 */ -#define XIIC_CR_TX_FIFO_RESET_MASK 0x02 /* Transmit FIFO reset=1 */ -#define XIIC_CR_MSMS_MASK 0x04 /* Master starts Txing=1 */ -#define XIIC_CR_DIR_IS_TX_MASK 0x08 /* Dir of tx. Txing=1 */ -#define XIIC_CR_NO_ACK_MASK 0x10 /* Tx Ack. NO ack = 1 */ -#define XIIC_CR_REPEATED_START_MASK 0x20 /* Repeated start = 1 */ -#define XIIC_CR_GENERAL_CALL_MASK 0x40 /* Gen Call enabled = 1 */ - -/* Status Register masks */ - -#define XIIC_SR_GEN_CALL_MASK 0x01 /* 1=a mstr issued a GC */ -#define XIIC_SR_ADDR_AS_SLAVE_MASK 0x02 /* 1=when addr as slave */ -#define XIIC_SR_BUS_BUSY_MASK 0x04 /* 1 = bus is busy */ -#define XIIC_SR_MSTR_RDING_SLAVE_MASK 0x08 /* 1=Dir: mstr <-- slave */ -#define XIIC_SR_TX_FIFO_FULL_MASK 0x10 /* 1 = Tx FIFO full */ -#define XIIC_SR_RX_FIFO_FULL_MASK 0x20 /* 1 = Rx FIFO full */ -#define XIIC_SR_RX_FIFO_EMPTY_MASK 0x40 /* 1 = Rx FIFO empty */ - -/* IPIF Interrupt Status Register masks Interrupt occurs when... */ - -#define XIIC_INTR_ARB_LOST_MASK 0x01 /* 1 = arbitration lost */ -#define XIIC_INTR_TX_ERROR_MASK 0x02 /* 1=Tx error/msg complete*/ -#define XIIC_INTR_TX_EMPTY_MASK 0x04 /* 1 = Tx FIFO/reg empty */ -#define XIIC_INTR_RX_FULL_MASK 0x08 /* 1=Rx FIFO/reg=OCY level*/ -#define XIIC_INTR_BNB_MASK 0x10 /* 1 = Bus not busy */ -#define XIIC_INTR_AAS_MASK 0x20 /* 1 = when addr as slave */ -#define XIIC_INTR_NAAS_MASK 0x40 /* 1 = not addr as slave */ -#define XIIC_INTR_TX_HALF_MASK 0x80 /* 1 = TX FIFO half empty */ - -/* IPIF Device Interrupt Register masks */ - -#define XIIC_IPIF_IIC_MASK 0x00000004UL /* 1=inter enabled */ -#define XIIC_IPIF_ERROR_MASK 0x00000001UL /* 1=inter enabled */ -#define XIIC_IPIF_INTER_ENABLE_MASK (XIIC_IPIF_IIC_MASK | \ - XIIC_IPIF_ERROR_MASK) - -#define XIIC_TX_ADDR_SENT 0x00 -#define XIIC_TX_ADDR_MSTR_RECV_MASK 0x02 - -/* The following constants specify the depth of the FIFOs */ - -#define IIC_RX_FIFO_DEPTH 16 /* Rx fifo capacity */ -#define IIC_TX_FIFO_DEPTH 16 /* Tx fifo capacity */ - -/* The following constants specify groups of interrupts that are typically - * enabled or disables at the same time - */ -#define XIIC_TX_INTERRUPTS \ - (XIIC_INTR_TX_ERROR_MASK | XIIC_INTR_TX_EMPTY_MASK | \ - XIIC_INTR_TX_HALF_MASK) - -#define XIIC_TX_RX_INTERRUPTS (XIIC_INTR_RX_FULL_MASK | XIIC_TX_INTERRUPTS) - -/* The following constants are used with the following macros to specify the - * operation, a read or write operation. - */ -#define XIIC_READ_OPERATION 1 -#define XIIC_WRITE_OPERATION 0 - -/* The following constants are used with the transmit FIFO fill function to - * specify the role which the IIC device is acting as, a master or a slave. - */ -#define XIIC_MASTER_ROLE 1 -#define XIIC_SLAVE_ROLE 0 - -/**************************** Type Definitions ******************************/ - - -/***************** Macros (Inline Functions) Definitions ********************/ - - -/************************** Function Prototypes *****************************/ - -unsigned XIic_Recv(u32 BaseAddress, u8 Address, - u8 *BufferPtr, unsigned ByteCount); - -unsigned XIic_Send(u32 BaseAddress, u8 Address, - u8 *BufferPtr, unsigned ByteCount); - -#endif /* end of protection macro */ |
