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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-05-22 17:20:06 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-05-22 17:20:06 +0000 |
commit | 39b40937f83f939a221978a92c3a239d1ce53c32 (patch) | |
tree | 8ac668f9280f65d053b47b20b661e44b5ed1d01a /nuttx/arch/arm/src/lm3s/lm3s_ssi.h | |
parent | c70fadf2085825c20134bf7121fd94bf8997d32d (diff) | |
download | px4-nuttx-39b40937f83f939a221978a92c3a239d1ce53c32.tar.gz px4-nuttx-39b40937f83f939a221978a92c3a239d1ce53c32.tar.bz2 px4-nuttx-39b40937f83f939a221978a92c3a239d1ce53c32.zip |
Add SSI header file
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1817 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/lm3s/lm3s_ssi.h')
-rw-r--r-- | nuttx/arch/arm/src/lm3s/lm3s_ssi.h | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/lm3s/lm3s_ssi.h b/nuttx/arch/arm/src/lm3s/lm3s_ssi.h new file mode 100644 index 000000000..8ffdc9a44 --- /dev/null +++ b/nuttx/arch/arm/src/lm3s/lm3s_ssi.h @@ -0,0 +1,235 @@ +/************************************************************************************ + * arch/arm/src/lm3s/lm3s_ssi.h + * + * Copyright (C) 2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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_LM3S_LM3S_SSI_H +#define __ARCH_ARM_SRC_LM3S_LM3S_SSI_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <nuttx/config.h> +#include <sys/types.h> + +#if LMS_NSSI > 0 + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/* SSI register offsets *************************************************************/ + +#define LM3S_SSI_CR0_OFFSET 0x000 /* SSI Control 0 */ +#define LM3S_SSI_CR1_OFFSET 0x004 /* SSI Control 1 */ +#define LM3S_SSI_DR_OFFSET 0x008 /* SSI Data */ +#define LM3S_SSI_SR_OFFSET 0x00c /* SSI Status */ +#define LM3S_SSI_CPSR_OFFSET 0x010 /* SSI Clock Prescale */ +#define LM3S_SSI_IM_OFFSET 0x014 /* SSI Interrupt Mask */ +#define LM3S_SSI_RIS_OFFSET 0x018 /* SSI Raw Interrupt Status */ +#define LM3S_SSI_MIS_OFFSET 0x01c /* SSI Masked Interrupt Status */ +#define LM3S_SSI_ICR_OFFSET 0x020 /* SSI Interrupt Clear */ +#define LM3S_SSI_PERIPHID4_OFFSET 0xfd0 /* SSI Peripheral Identification 4 */ +#define LM3S_SSI_PERIPHID5_OFFSET 0xfd4 /* SSI Peripheral Identification 5 */ +#define LM3S_SSI_PERIPHID6_OFFSET 0xfd8 /* SSI Peripheral Identification 6 */ +#define LM3S_SSI_PERIPHID7_OFFSET 0xfdc /* SSI Peripheral Identification 7 */ +#define LM3S_SSI_PERIPHID0_OFFSET 0xfe0 /* SSI Peripheral Identification 0 */ +#define LM3S_SSI_PERIPHID1_OFFSET 0xfe4 /* SSI Peripheral Identification 1 */ +#define LM3S_SSI_PERIPHID2_OFFSET 0xfe8 /* SSI Peripheral Identification 2 */ +#define LM3S_SSI_PERIPHID3_OFFSET 0xfec /* SSI Peripheral Identification 3 */ +#define LM3S_SSI_PCELLID0_OFFSET 0xff0 /* SSI PrimeCell Identification 0 */ +#define LM3S_SSI_PCELLID1_OFFSET 0xff4 /* SSI PrimeCell Identification 1 */ +#define LM3S_SSI_PCELLID2_OFFSET 0xff8 /* SSI PrimeCell Identification 2 */ +#define LM3S_SSI_PCELLID3_OFFSET 0xffc /* SSI PrimeCell Identification 3 */ + +/* SSI register addresses ***********************************************************/ + +#define LM3S_SSI0_CR0 (LM3S_SSI0_BASE + LM3S_SSI_CR0_OFFSET) +#define LM3S_SSI0_CR1 (LM3S_SSI0_BASE + LM3S_SSI_CR1_OFFSET) +#define LM3S_SSI0_DR (LM3S_SSI0_BASE + LM3S_SSI_DR_OFFSET) +#define LM3S_SSI0_SR (LM3S_SSI0_BASE + LM3S_SSI_SR_OFFSET) +#define LM3S_SSI0_CPSR (LM3S_SSI0_BASE + LM3S_SSI_CPSR_OFFSET) +#define LM3S_SSI0_IM (LM3S_SSI0_BASE + LM3S_SSI_IM_OFFSET) +#define LM3S_SSI0_RIS (LM3S_SSI0_BASE + LM3S_SSI_RIS_OFFSET) +#define LM3S_SSI0_MIS (LM3S_SSI0_BASE + LM3S_SSI_MIS_OFFSET) +#define LM3S_SSI0_ICR (LM3S_SSI0_BASE + LM3S_SSI_ICR_OFFSET) +#define LM3S_SSI0_PERIPHID4 (LM3S_SSI0_BASE + LM3S_SSI_PERIPHID4_OFFSET) +#define LM3S_SSI0_PERIPHID5 (LM3S_SSI0_BASE + LM3S_SSI_PERIPHID5_OFFSET) +#define LM3S_SSI0_PERIPHID6 (LM3S_SSI0_BASE + LM3S_SSI_PERIPHID6_OFFSET) +#define LM3S_SSI0_PERIPHID7 (LM3S_SSI0_BASE + LM3S_SSI_PERIPHID7_OFFSET) +#define LM3S_SSI0_PERIPHID0 (LM3S_SSI0_BASE + LM3S_SSI_PERIPHID0_OFFSET) +#define LM3S_SSI0_PERIPHID1 (LM3S_SSI0_BASE + LM3S_SSI_PERIPHID1_OFFSET) +#define LM3S_SSI0_PERIPHID2 (LM3S_SSI0_BASE + LM3S_SSI_PERIPHID2_OFFSET) +#define LM3S_SSI0_PERIPHID3 (LM3S_SSI0_BASE + LM3S_SSI_PERIPHID3_OFFSET) +#define LM3S_SSI0_PCELLID0 (LM3S_SSI0_BASE + LM3S_SSI_PCELLID0_OFFSET) +#define LM3S_SSI0_PCELLID1 (LM3S_SSI0_BASE + LM3S_SSI_PCELLID1_OFFSET) +#define LM3S_SSI0_PCELLID2 (LM3S_SSI0_BASE + LM3S_SSI_PCELLID2_OFFSET) +#define LM3S_SSI0_PCELLID3 (LM3S_SSI0_BASE + LM3S_SSI_PCELLID3_OFFSET) + +#if LMS_NSSI > 1 +#define LM3S_SSI1_CR0 (LM3S_SSI1_BASE + LM3S_SSI_CR0_OFFSET) +#define LM3S_SSI1_CR1 (LM3S_SSI1_BASE + LM3S_SSI_CR1_OFFSET) +#define LM3S_SSI1_DR (LM3S_SSI1_BASE + LM3S_SSI_DR_OFFSET) +#define LM3S_SSI1_SR (LM3S_SSI1_BASE + LM3S_SSI_SR_OFFSET) +#define LM3S_SSI1_CPSR (LM3S_SSI1_BASE + LM3S_SSI_CPSR_OFFSET) +#define LM3S_SSI1_IM (LM3S_SSI1_BASE + LM3S_SSI_IM_OFFSET) +#define LM3S_SSI1_RIS (LM3S_SSI1_BASE + LM3S_SSI_RIS_OFFSET) +#define LM3S_SSI1_MIS (LM3S_SSI1_BASE + LM3S_SSI_MIS_OFFSET) +#define LM3S_SSI1_ICR (LM3S_SSI1_BASE + LM3S_SSI_ICR_OFFSET) +#define LM3S_SSI1_PERIPHID4 (LM3S_SSI1_BASE + LM3S_SSI_PERIPHID4_OFFSET) +#define LM3S_SSI1_PERIPHID5 (LM3S_SSI1_BASE + LM3S_SSI_PERIPHID5_OFFSET) +#define LM3S_SSI1_PERIPHID6 (LM3S_SSI1_BASE + LM3S_SSI_PERIPHID6_OFFSET) +#define LM3S_SSI1_PERIPHID7 (LM3S_SSI1_BASE + LM3S_SSI_PERIPHID7_OFFSET) +#define LM3S_SSI1_PERIPHID0 (LM3S_SSI1_BASE + LM3S_SSI_PERIPHID0_OFFSET) +#define LM3S_SSI1_PERIPHID1 (LM3S_SSI1_BASE + LM3S_SSI_PERIPHID1_OFFSET) +#define LM3S_SSI1_PERIPHID2 (LM3S_SSI1_BASE + LM3S_SSI_PERIPHID2_OFFSET) +#define LM3S_SSI1_PERIPHID3 (LM3S_SSI1_BASE + LM3S_SSI_PERIPHID3_OFFSET) +#define LM3S_SSI1_PCELLID0 (LM3S_SSI1_BASE + LM3S_SSI_PCELLID0_OFFSET) +#define LM3S_SSI1_PCELLID1 (LM3S_SSI1_BASE + LM3S_SSI_PCELLID1_OFFSET) +#define LM3S_SSI1_PCELLID2 (LM3S_SSI1_BASE + LM3S_SSI_PCELLID2_OFFSET) +#define LM3S_SSI1_PCELLID3 (LM3S_SSI1_BASE + LM3S_SSI_PCELLID3_OFFSET) + +#define LM3S_SSI_BASE(n) (LM3S_SSI0_BASE + (n)*0x01000) + +#define LM3S_SSI_CR0(n) (LM3S_SSI_BASE(n) + LM3S_SSI_CR0_OFFSET) +#define LM3S_SSI_CR1(n) (LM3S_SSI_BASE(n) + LM3S_SSI_CR1_OFFSET) +#define LM3S_SSI_DR(n) (LM3S_SSI_BASE(n) + LM3S_SSI_DR_OFFSET) +#define LM3S_SSI_SR(n) (LM3S_SSI_BASE(n) + LM3S_SSI_SR_OFFSET) +#define LM3S_SSI_CPSR(n) (LM3S_SSI_BASE(n) + LM3S_SSI_CPSR_OFFSET) +#define LM3S_SSI_IM(n) (LM3S_SSI_BASE(n) + LM3S_SSI_IM_OFFSET) +#define LM3S_SSI_RIS(n) (LM3S_SSI_BASE(n) + LM3S_SSI_RIS_OFFSET) +#define LM3S_SSI_MIS(n) (LM3S_SSI_BASE(n) + LM3S_SSI_MIS_OFFSET) +#define LM3S_SSI_ICR(n) (LM3S_SSI_BASE(n) + LM3S_SSI_ICR_OFFSET) +#define LM3S_SSI_PERIPHID4(n) (LM3S_SSI_BASE(n) + LM3S_SSI_PERIPHID4_OFFSET) +#define LM3S_SSI_PERIPHID5(n) (LM3S_SSI_BASE(n) + LM3S_SSI_PERIPHID5_OFFSET) +#define LM3S_SSI_PERIPHID6(n) (LM3S_SSI_BASE(n) + LM3S_SSI_PERIPHID6_OFFSET) +#define LM3S_SSI_PERIPHID7(n) (LM3S_SSI_BASE(n) + LM3S_SSI_PERIPHID7_OFFSET) +#define LM3S_SSI_PERIPHID0(n) (LM3S_SSI_BASE(n) + LM3S_SSI_PERIPHID0_OFFSET) +#define LM3S_SSI_PERIPHID1(n) (LM3S_SSI_BASE(n) + LM3S_SSI_PERIPHID1_OFFSET) +#define LM3S_SSI_PERIPHID2(n) (LM3S_SSI_BASE(n) + LM3S_SSI_PERIPHID2_OFFSET) +#define LM3S_SSI_PERIPHID3(n) (LM3S_SSI_BASE(n) + LM3S_SSI_PERIPHID3_OFFSET) +#define LM3S_SSI_PCELLID0(n) (LM3S_SSI_BASE(n) + LM3S_SSI_PCELLID0_OFFSET) +#define LM3S_SSI_PCELLID1(n) (LM3S_SSI_BASE(n) + LM3S_SSI_PCELLID1_OFFSET) +#define LM3S_SSI_PCELLID2(n) (LM3S_SSI_BASE(n) + LM3S_SSI_PCELLID2_OFFSET) +#define LM3S_SSI_PCELLID3(n) (LM3S_SSI_BASE(n) + LM3S_SSI_PCELLID3_OFFSET) +#endif /* LMS_NSSI > 1 */ + +/* SSI register bit defitiions ******************************************************/ + +/* SSI Control 0 (SSICR0), offset 0x000 */ + +#define SSI_CR0_DSS_SHIFT 0 /* Bits 3-0: SSI Data Size Select +#define SSI_CR0_DSS_MASK (0x0f << SSI_CR0_DSS_SHIFT) +#define SSI_CR0_DSS(n) ((n-1) << SSI_CR0_DSS_SHIFT) /* n={4,5,..16} */ +#define SSI_CR0_FRF_SHIFT 4 /* Bits 5-4: SSI Frame Format Select */ +#define SSI_CR0_FRF_MASK (3 << SSI_CR0_FRF_SHIFT) +#define SSI_CR0_FRF_SPI (0 << SSI_CR0_FRF_SHIFT) /* Freescale SPI format */e +#define SSI_CR0_FRF_SSFF (1 << SSI_CR0_FRF_SHIFT) /* TI synchronous serial fram format */ +#define SSI_CR0_FRF_UWIRE (2 << SSI_CR0_FRF_SHIFT) /* MICROWIRE frame format */ +#define SSI_CR0_SPO (1 << 6) /* Bit 6: SSI Serial Clock Polarity */ +#define SSI_CR0_SPH (1 << 7) /* Bit 7: SSI Serial Clock Phase */ +#define SSI_CR0_SCR_SHIFT 8 /* Bits 15-8: SSI Serial Clock Rate */ +#define SSI_CR0_SCR_MASK (0xff << SSI_CR0_SCR_SHIFT) + +/* SSI Control 1 (SSICR1), offset 0x004 */ + +#define SSI_CR1_LBM (1 << 0) /* Bit 0: SSI Loopback Mode */ +#define SSI_CR1_SSE (1 << 1) /* Bit 1: SSI Synchronous Serial Port Enable */ +#define SSI_CR1_MS (1 << 2) /* Bit 2: SSI Master/Slave Select slave */ +#define SSI_CR1_SOD (1 << 3) /* Bit 3: SSI Slave Mode Output Disable */ + +/* SSI Data (SSIDR), offset 0x008 */ + +#define SSI_DR_MASK 0xffff /* Bits 15-0: SSI data */ + +/* SSI Status (SSISR), offset 0x00c */ + +#define SSI_SR_TFE (1 << 0) /* Bit 0: SSI Transmit FIFO Empty */ +#define SSI_SR_TNF (1 << 1) /* Bit 1: SSI Transmit FIFO Not Full */ +#define SSI_SR_RNE (1 << 2) /* Bit 2: SSI Receive FIFO Not Empty */ +#define SSI_SR_RFF (1 << 3) /* Bit 3: SSI Receive FIFO Full */ +#define SSI_SR_BSY (1 << 4) /* Bit 4: SSI Busy Bit */ + +/* SSI Clock Prescale (SSICPSR), offset 0x010 */ + +#define SSI_CPSR_DIV_MASK 0xff /* Bits 7-0: SSI Clock Prescale Divisor */ + +/* SSI Interrupt Mask (SSIIM), offset 0x014 */ + +#define SSI_IM_ROR (1 << 0) /* Bit 0: SSI Receive Overrun Interrupt Mask */ +#define SSI_IM_RT (1 << 1) /* Bit 1: SSI Receive Time-Out Interrupt Mask */ +#define SSI_IM_RX (1 << 2) /* Bit 2: SSI Receive FIFO Interrupt Mask */ +#define SSI_IM_TX (1 << 3) /* Bit 3: SSI Transmit FIFO Interrupt Mask */ + +/* SSI Raw Interrupt Status (SSIRIS), offset 0x018 */ + +#define SSI_RIS_ROR (1 << 0) /* Bit 0: SSI Receive Overrun Raw Interrupt Status */ +#define SSI_RIS_RT (1 << 1) /* Bit 1: SSI Receive Time-Out Raw Interrupt Status */ +#define SSI_RIS_RX (1 << 2) /* Bit 2: SSI Receive FIFO Raw Interrupt Status */ +#define SSI_RIS_TX (1 << 3) /* Bit 3: SSI Transmit FIFO Raw Interrupt Status */ + +/* SSI Masked Interrupt Status (SSIMIS), offset 0x01c */ + +#define SSI_MIS_ROR (1 << 0) /* Bit 0: SSI Receive Overrun Masked Interrupt Status */ +#define SSI_MIS_RT (1 << 1) /* Bit 1: SSI Receive Time-Out Masked Interrupt Status */ +#define SSI_MIS_RX (1 << 2) /* Bit 2: SSI Receive FIFO Masked Interrupt Status */ +#define SSI_MIS_TX (1 << 3) /* Bit 3: SSI Transmit FIFO Masked Interrupt Status */ + +/* SSI Interrupt Clear (SSIICR), offset 0x020 */ + +#define SSI_ICR_ROR (1 << 0) /* Bit 0: SSI Receive Overrun Interrupt Clear */ +#define SSI_ICR_RT (1 << 1) /* Bit 1: SSI Receive Time-Out Interrupt Clear */ + +/* SSI Peripheral Identification n (SSIPERIPHIDn), offset 0xfd0-0xfec */ + +#define SSI_PERIPHID_MASK 0xff /* Bits 7-0: SSI Peripheral ID n */ + +/* SSI PrimeCell Identification n (SSIPCELLIDn), offset 0xff0-0xffc */ + +#define SSI_PCELLID_MASK 0xff /* Bits 7-0: SSI Prime cell ID */ + +/************************************************************************************ + * Public Types + ************************************************************************************/ + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +/************************************************************************************ + * Public Function Prototypes + ************************************************************************************/ + +#endif /* LMS_NSSI > 0 */ +#endif /* __ARCH_ARM_SRC_LM3S_LM3S_SSI_H */ |