/************************************************************************************ * arch/arm/src/str71x/str71x_bspi.h * * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ************************************************************************************/ #ifndef __ARCH_ARM_SRC_STR71X_STR71X_BSPI_H #define __ARCH_ARM_SRC_STR71X_STR71X_BSPI_H /************************************************************************************ * Included Files ************************************************************************************/ #include #include "str71x_map.h" /************************************************************************************ * Pre-procesor Definitions ************************************************************************************/ /* Register Offsets *****************************************************************/ #define STR71X_BSPI_RXR_OFFSET (0x0000) /* 16-bits wide */ #define STR71X_BSPI_TXR_OFFSET (0x0004) /* 16-bits wide */ #define STR71X_BSPI_CSR1_OFFSET (0x0008) /* 16-bits wide */ #define STR71X_BSPI_CSR2_OFFSET (0x000c) /* 16-bits wide */ #define STR71X_BSPI_CLK_OFFSET (0x0010) /* 16-bits wide */ /* Registers ************************************************************************/ #define STR71X_BSPI_RXR(b) ((b) + STR71X_BSPI_RXR_OFFSET) #define STR71X_BSPI_TXR(b) ((b) + STR71X_BSPI_TXR_OFFSET) #define STR71X_BSPI_CSR1(b) ((b) + STR71X_BSPI_CSR1_OFFSET) #define STR71X_BSPI_CSR2(b) ((b) + STR71X_BSPI_CSR2_OFFSET) #define STR71X_BSPI_CLK(b) ((b) + STR71X_BSPI_CLK_OFFSET) #define STR71X_BSPI0_RXR (STR71X_BSPI0_BASE + STR71X_BSPI_RXR_OFFSET) #define STR71X_BSPI0_TXR (STR71X_BSPI0_BASE + STR71X_BSPI_TXR_OFFSET) #define STR71X_BSPI0_CSR1 (STR71X_BSPI0_BASE + STR71X_BSPI_CSR1_OFFSET) #define STR71X_BSPI0_CSR2 (STR71X_BSPI0_BASE + STR71X_BSPI_CSR2_OFFSET) #define STR71X_BSPI0_CLK (STR71X_BSPI0_BASE + STR71X_BSPI_CLK_OFFSET) #define STR71X_BSPI1_RXR (STR71X_BSPI1_BASE + STR71X_BSPI_RXR_OFFSET) #define STR71X_BSPI1_TXR (STR71X_BSPI1_BASE + STR71X_BSPI_TXR_OFFSET) #define STR71X_BSPI1_CSR1 (STR71X_BSPI1_BASE + STR71X_BSPI_CSR1_OFFSET) #define STR71X_BSPI1_CSR2 (STR71X_BSPI1_BASE + STR71X_BSPI_CSR2_OFFSET) #define STR71X_BSPI1_CLK (STR71X_BSPI1_BASE + STR71X_BSPI_CLK_OFFSET) /* Register bit settings ***********************************************************/ /* BSPI control/status register 1 */ #define STR71X_BSPICSR1_BSPE (1 << 0) /* Bit 0: BSPI enable */ #define STR71X_BSPICSR1_MSTR (1 << 1) /* Bit 1: Master/Slave select */ #define STR71X_BSPICSR1_RIESHIFT 2 /* Bit 2-3: BSPI receive interrupt enable */ #define STR71X_BSPICSR1_RIEMASK (3 << STR71X_BSPICSR1_RIESHIFT) #define STR71X_BSPICSR1_RIEDISABLED (0 << STR71X_BSPICSR1_RIESHIFT) /* Disabled */ #define STR71X_BSPICSR1_RIERFNE (1 << STR71X_BSPICSR1_RIESHIFT) /* Receive FIFO not empty */ #define STR71X_BSPICSR1_RIERFF (3 << STR71X_BSPICSR1_RIESHIFT) /* Receive FIFO full */ #define STR71X_BSPICSR1_REIE (1 << 4) /* Bit 4: Receive error interrupt enable */ #define STR71X_BSPICSR1_BEIE (1 << 7) /* Bit 7: Bus error interrupt enable */ #define STR71X_BSPICSR1_CPOL (1 << 8) /* Bit 8: Clock polarity select */ #define STR71X_BSPICSR1_CPHA (1 << 9) /* Bit 9: Clock phase select */ #define STR71X_BSPICSR1_WLSHIFT 10 /* Bits 10-11: Word length */ #define STR71X_BSPICSR1_WLMASK (3 << STR71X_BSPICSR1_WLSHIFT) #define STR71X_BSPICSR1_WL8BIT (0 << STR71X_BSPICSR1_WLSHIFT) /* 8-bits */ #define STR71X_BSPICSR1_WL16BIT (1 << STR71X_BSPICSR1_WLSHIFT) /* 16-bits */ #define STR71X_BSPICSR1_RFESHIFT 12 /* Bits 12-15: Receive FIFO enable */ #define STR71X_BSPICSR1_RFEMASK (15 << STR71X_BSPICSR1_RFESHIFT) #define STR71X_BSPICSR1_RFE1 (0 << STR71X_BSPICSR1_RFESHIFT) /* Word 1 enabled */ #define STR71X_BSPICSR1_RFE12 (1 << STR71X_BSPICSR1_RFESHIFT) /* Word 1-2 enabled */ #define STR71X_BSPICSR1_RFE13 (2 << STR71X_BSPICSR1_RFESHIFT) /* Word 1-3 enabled */ #define STR71X_BSPICSR1_RFE14 (3 << STR71X_BSPICSR1_RFESHIFT) /* Word 1-4 enabled */ #define STR71X_BSPICSR1_RFE15 (4 << STR71X_BSPICSR1_RFESHIFT) /* Word 1-5 enabled */ #define STR71X_BSPICSR1_RFE16 (5 << STR71X_BSPICSR1_RFESHIFT) /* Word 1-6 enabled */ #define STR71X_BSPICSR1_RFE17 (6 << STR71X_BSPICSR1_RFESHIFT) /* Word 1-7 enabled */ #define STR71X_BSPICSR1_RFE18 (7 << STR71X_BSPICSR1_RFESHIFT) /* Word 1-8 enabled */ #define STR71X_BSPICSR1_RFE19 (8 << STR71X_BSPICSR1_RFESHIFT) /* Word 1-9 enabled */ #define STR71X_BSPICSR1_RFE110 (9 << STR71X_BSPICSR1_RFESHIFT) /* Word 1-10 enabled */ /* BSPI control/status register 2 */ #define STR71X_BSPICSR2_DFIFO (1 << 0) /* Bit 0: FIFO disable */ #define STR71X_BSPICSR2_BERR (1 << 2) /* Bit 2: Bus error */ #define STR71X_BSPICSR2_RFNE (1 << 3) /* Bit 3: Receiver FIFO not empty */ #define STR71X_BSPICSR2_RFF (1 << 4) /* Bit 4: Receiver FIFO full */ #define STR71X_BSPICSR2_ROFL (1 << 5) /* Bit 5: Receiver overflow */ #define STR71X_BSPICSR2_TFE (1 << 6) /* Bit 6: Transmit FIFO empty */ #define STR71X_BSPICSR2_TUFL (1 << 7) /* Bit 7: Transmit FIFO underflow */ #define STR71X_BSPICSR2_TFF (1 << 8) /* Bit 8: Transmit FIFO full */ #define STR71X_BSPICSR2_TFNE (1 << 9) /* Bit 9: Transmit FIFO not empty */ #define STR71X_BSPICSR2_TFESHIFT 10 /* Bits 10-13: Transmit FIFO enable*/ #define STR71X_BSPICSR2_TFEMASK (15 << STR71X_BSPICSR2_TFESHIFT) #define STR71X_BSPICSR2_TFE1 (0 << STR71X_BSPICSR2_TFESHIFT) /* Word 1 enabled */ #define STR71X_BSPICSR2_TFE12 (1 << STR71X_BSPICSR2_TFESHIFT) /* Word 1-2 enabled */ #define STR71X_BSPICSR2_TFE13 (2 << STR71X_BSPICSR2_TFESHIFT) /* Word 1-3 enabled */ #define STR71X_BSPICSR2_TFE14 (3 << STR71X_BSPICSR2_TFESHIFT) /* Word 1-4 enabled */ #define STR71X_BSPICSR2_TFE15 (4 << STR71X_BSPICSR2_TFESHIFT) /* Word 1-5 enabled */ #define STR71X_BSPICSR2_TFE16 (5 << STR71X_BSPICSR2_TFESHIFT) /* Word 1-6 enabled */ #define STR71X_BSPICSR2_TFE17 (6 << STR71X_BSPICSR2_TFESHIFT) /* Word 1-7 enabled */ #define STR71X_BSPICSR2_TFE18 (7 << STR71X_BSPICSR2_TFESHIFT) /* Word 1-8 enabled */ #define STR71X_BSPICSR2_TFE19 (8 << STR71X_BSPICSR2_TFESHIFT) /* Word 1-9 enabled */ #define STR71X_BSPICSR2_TFE110 (9 << STR71X_BSPICSR2_TFESHIFT) /* Word 1-10 enabled */ #define STR71X_BSPICSR2_TIESHIFT 14 /* Bit 14-15: BSPI transmit interrupt enable */ #define STR71X_BSPICSR2_TIEMASK (3 << STR71X_BSPICSR2_TIESHIFT) #define STR71X_BSPICSR2_TIEDISABLED (0 << STR71X_BSPICSR2_TIESHIFT) /* Disabled */ #define STR71X_BSPICSR2_TIETFE (1 << STR71X_BSPICSR2_TIESHIFT) /* Interrupt on transmit FIFO empty */ #define STR71X_BSPICSR2_TIETUFL (2 << STR71X_BSPICSR2_TIESHIFT) /* Interrupt on transmit underlow */ #define STR71X_BSPICSR2_TIETFF (3 << STR71X_BSPICSR2_TIESHIFT) /* Interrupt on transmit FIFO full */ /************************************************************************************ * Public Types ************************************************************************************/ /************************************************************************************ * Public Data ************************************************************************************/ /************************************************************************************ * Public Functions ************************************************************************************/ #endif /* __ARCH_ARM_SRC_STR71X_STR71X_BSPI_H */