a107303a6d
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3863 42af7a65-404d-4744-a932-0658087f49c3
214 lines
13 KiB
C
214 lines
13 KiB
C
/************************************************************************************
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* arch/arm/src/kinetis/kinetis_flexbus.h
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*
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_ARM_SRC_KINETIS_KINETIS_FLEXBUS_H
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#define __ARCH_ARM_SRC_KINETIS_KINETIS_FLEXBUS_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include "chip.h"
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Register Offsets *****************************************************************/
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#define KINETIS_FB_CS_OFFSET(n) (0x0000+(12*(n)))
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#define KINETIS_FB_CSAR_OFFSET 0x0000 /* Chip select n address register */
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#define KINETIS_FB_CSMR_OFFSET 0x0004 /* Chip select n mask register */
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#define KINETIS_FB_CSCR_OFFSET 0x0008 /* Chip select n control register */
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#define KINETIS_FB_CSAR0_OFFSET 0x0000 /* Chip select 0 address register */
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#define KINETIS_FB_CSMR0_OFFSET 0x0004 /* Chip select 0 mask register */
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#define KINETIS_FB_CSCR0_OFFSET 0x0008 /* Chip select 0 control register */
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#define KINETIS_FB_CSAR1_OFFSET 0x000c /* Chip select 1 address register */
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#define KINETIS_FB_CSMR1_OFFSET 0x0010 /* Chip select 1 mask register */
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#define KINETIS_FB_CSCR1_OFFSET 0x0014 /* Chip select 1 control register */
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#define KINETIS_FB_CSAR2_OFFSET 0x0018 /* Chip select 2 address register */
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#define KINETIS_FB_CSMR2_OFFSET 0x001c /* Chip select 2 mask register */
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#define KINETIS_FB_CSCR2_OFFSET 0x0020 /* Chip select 2 control register */
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#define KINETIS_FB_CSAR3_OFFSET 0x0024 /* Chip select 3 address register */
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#define KINETIS_FB_CSMR3_OFFSET 0x0028 /* Chip select 3 mask register */
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#define KINETIS_FB_CSCR3_OFFSET 0x002c /* Chip select 3 control register */
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#define KINETIS_FB_CSAR4_OFFSET 0x0030 /* Chip select 4 address register */
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#define KINETIS_FB_CSMR4_OFFSET 0x0034 /* Chip select 4 mask register */
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#define KINETIS_FB_CSCR4_OFFSET 0x0038 /* Chip select 4 control register */
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#define KINETIS_FB_CSAR5_OFFSET 0x003c /* Chip select 5 address register */
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#define KINETIS_FB_CSMR5_OFFSET 0x0040 /* Chip select 5 mask register */
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#define KINETIS_FB_CSCR5_OFFSET 0x0044 /* Chip select 5 control register */
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#define KINETIS_FB_CSPMCR_OFFSET 0x0060 /* Chip select port multiplexing control register */
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/* Register Addresses ***************************************************************/
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# define 0x4000c000 /* FlexBus */
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#define KINETIS_FB_CS_BASE(n) (KINETIS_FLEXBUS_BASE+KINETIS_FB_CS_OFFSET(n))
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#define KINETIS_FB_CSAR(n) (KINETIS_FB_CS_BASE(n)+KINETIS_FB_CSAR_OFFSET)
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#define KINETIS_FB_CSMR(n) (KINETIS_FB_CS_BASE(n)+KINETIS_FB_CSMR_OFFSET)
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#define KINETIS_FB_CSCR(n) (KINETIS_FB_CS_BASE(n)+KINETIS_FB_CSCR_OFFSET)
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#define KINETIS_FB_CSAR0 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSAR0_OFFSET)
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#define KINETIS_FB_CSMR0 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSMR0_OFFSET)
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#define KINETIS_FB_CSCR0 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSCR0_OFFSET)
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#define KINETIS_FB_CSAR1 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSAR1_OFFSET)
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#define KINETIS_FB_CSMR1 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSMR1_OFFSET)
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#define KINETIS_FB_CSCR1 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSCR1_OFFSET)
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#define KINETIS_FB_CSAR2 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSAR2_OFFSET)
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#define KINETIS_FB_CSMR2 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSMR2_OFFSET)
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#define KINETIS_FB_CSCR2 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSCR2_OFFSET)
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#define KINETIS_FB_CSAR3 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSAR3_OFFSET)
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#define KINETIS_FB_CSMR3 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSMR3_OFFSET)
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#define KINETIS_FB_CSCR3 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSCR3_OFFSET)
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#define KINETIS_FB_CSAR4 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSAR4_OFFSET)
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#define KINETIS_FB_CSMR4 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSMR4_OFFSET)
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#define KINETIS_FB_CSCR4 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSCR4_OFFSET)
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#define KINETIS_FB_CSAR5 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSAR5_OFFSET)
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#define KINETIS_FB_CSMR5 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSMR5_OFFSET)
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#define KINETIS_FB_CSCR5 (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSCR5_OFFSET)
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#define KINETIS_FB_CSPMCR (KINETIS_FLEXBUS_BASE+KINETIS_FB_CSPMCR_OFFSET)
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/* Register Bit Definitions *********************************************************/
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/* Chip select address register (32-bit) */
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#define FB_CSAR_BA_SHIFT (16) /* Bits 16-31: Base address */
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#define FB_CSAR_BA_MASK (0xffff << FB_CSAR_BA_SHIFT)
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/* Bits 0-15: Reserved */
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/* Chip select mask register (32-bit) */
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#define FB_CSMR_V (1 << 0) /* Bit 0: Valid */
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/* Bits 1-7: Reserved */
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#define FB_CSMR_WP (1 << 8) /* Bit 8: Write protect
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/* Bits 9-15: Reserved */
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#define FB_CSMR_BAM_SHIFT (16) /* Bits 16-31: Base address mask */
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#define FB_CSMR_BAM_MASK (0xffff << FB_CSMR_BAM_SHIFT)
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/* Chip select control register (32-bit) */
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/* Bits 0-1: Reserved */
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#define FB_CSCR_BSTW (1 << 3) /* Bit 3: Burst-write enable */
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#define FB_CSCR_BSTR (1 << 4) /* Bit 4: Burst-read enable */
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#define FB_CSCR_BEM (1 << 5) /* Bit 5: Byte-enable mode */
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#define FB_CSCR_PS_SHIFT (6) /* Bits 6-7: Port size */
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#define FB_CSCR_PS_MASK (3 << FB_CSCR_PS_SHIFT)
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# define FB_CSCR_PS_32BIT (0 << FB_CSCR_PS_SHIFT) /* 32-bit port size */
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# define FB_CSCR_PS_8BIT (1 << FB_CSCR_PS_SHIFT) /* 8-bit port size */
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# define FB_CSCR_PS_16BIT (2 << FB_CSCR_PS_SHIFT) /* 16-bit port size */
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#define FB_CSCR_AA (1 << 8) /* Bit 8: Auto-acknowledge enable */
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#define FB_CSCR_BLS (1 << 9) /* Bit 9: Byte-lane shift */
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#define FB_CSCR_WS_SHIFT (10) /* Bits 19-15: Wait states */
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#define FB_CSCR_WS_SHIFT (10) /* Bits 19-15: Wait states */
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#define FB_CSCR_WRAH_SHIFT (16) /* Bits 16-17: Write address hold or deselect */
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#define FB_CSCR_WRAH_MASK (3 << FB_CSCR_WRAH_SHIFT)
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# define FB_CSCR_WRAH_HOLD1 (0 << FB_CSCR_WRAH_SHIFT) /* Hold one cycle after FB_CSn */
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# define FB_CSCR_WRAH_HOLD2 (1 << FB_CSCR_WRAH_SHIFT) /* Hold two cycles after FB_CSn */
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# define FB_CSCR_WRAH_HOLD3 (2 << FB_CSCR_WRAH_SHIFT) /* Hold three cycles after FB_CSn */
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# define FB_CSCR_WRAH_HOLD4 (3 << FB_CSCR_WRAH_SHIFT) /* Hold four cycles after FB_CSn */
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#define FB_CSCR_RDAH_SHIFT (18) /* Bits 18-19: Read address hold or deselect */
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#define FB_CSCR_RDAH_MASK (3 << FB_CSCR_RDAH_SHIFT)
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# define FB_CSCR_RDAH_10CYCLES (0 << FB_CSCR_RDAH_SHIFT) /* AA=0:1 cycle else 0 cycles */
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# define FB_CSCR_RDAH_21CYCLES (1 << FB_CSCR_RDAH_SHIFT) /* AA=0:2 cycles else 1 cycle */
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# define FB_CSCR_RDAH_32CYCLES (2 << FB_CSCR_RDAH_SHIFT) /* AA=0:3 cycles else 2 cycles */
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# define FB_CSCR_RDAH_43CYCLES (3 << FB_CSCR_RDAH_SHIFT) /* AA=0:4 cycles else 3 cycles */
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#define FB_CSCR_ASET_SHIFT (20) /* Bits 20-21: Address setup */
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#define FB_CSCR_ASET_MASK (3 << FB_CSCR_ASET_SHIFT)
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# define FB_CSCR_ASET_1STRISING (0 << FB_CSCR_ASET_SHIFT) /* Assert CR on first rising clock edge */
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# define FB_CSCR_ASET_2NDRISING (1 << FB_CSCR_ASET_SHIFT) /* Assert CR on second rising clock edge */
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# define FB_CSCR_ASET_3RDRISING (2 << FB_CSCR_ASET_SHIFT) /* Assert CR on third rising clock edge */
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# define FB_CSCR_ASET_4thRISING (3 << FB_CSCR_ASET_SHIFT) /* Assert CR on fourth rising clock edge */
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#define FB_CSCR_EXTS (1 << 22) /* Bit 22: Extended address latch enable */
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#define FB_CSCR_SWSEN (1 << 23) /* Bit 23: Secondary wait state enable */
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/* Bits 24-25: Reserved */
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#define FB_CSCR_SWS_SHIFT (26) /* Bits 26-31: Secondary wait states */
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#define FB_CSCR_SWS_MASK (0x3f << FB_CSCR_SWS_SHIFT)
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/* Chip select port multiplexing control register (32-bit) */
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/* Bits 0-11: Reserved */
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#define FB_CSPMCR_GROUP5_SHIFT (12) /* Bits 12-15: FlexBus signal group 5 multiplex control */
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#define FB_CSPMCR_GROUP5_MASK (15 << FB_CSPMCR_GROUP5_SHIFT)
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# define FB_CSPMCR_GROUP5_TA (0 << FB_CSPMCR_GROUP5_SHIFT) /* FB_TA */
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# define FB_CSPMCR_GROUP5_CS3 (1 << FB_CSPMCR_GROUP5_SHIFT) /* FB_CS3 */
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# define FB_CSPMCR_GROUP5_BE70 (2 << FB_CSPMCR_GROUP5_SHIFT) /* FB_BE_7_0 */
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#define FB_CSPMCR_GROUP4_SHIFT (16) /* Bits 16-19: FlexBus signal group 4 multiplex control */
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#define FB_CSPMCR_GROUP4_MASK (15 << FB_CSPMCR_GROUP4_SHIFT)
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# define FB_CSPMCR_GROUP4_TBST (0 << FB_CSPMCR_GROUP4_SHIFT) /* FB_TBST */
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# define FB_CSPMCR_GROUP4_CS2 (1 << FB_CSPMCR_GROUP4_SHIFT) /* FB_CS2 */
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# define FB_CSPMCR_GROUP4_BE158 (2 << FB_CSPMCR_GROUP4_SHIFT) /* FB_BE_15_8 */
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#define FB_CSPMCR_GROUP3_SHIFT (20) /* Bits 29-23: FlexBus signal group 3 multiplex control */
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#define FB_CSPMCR_GROUP3_MASK (15 << FB_CSPMCR_GROUP3_SHIFT)
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# define FB_CSPMCR_GROUP3_CS5 (0 << FB_CSPMCR_GROUP3_SHIFT) /* FB_CS5 */
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# define FB_CSPMCR_GROUP3_TSIZ1 (1 << FB_CSPMCR_GROUP3_SHIFT) /* FB_TSIZ1 */
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# define FB_CSPMCR_GROUP3_BE2316 (2 << FB_CSPMCR_GROUP3_SHIFT) /* FB_BE_23_16 */
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#define FB_CSPMCR_GROUP2_SHIFT (24) /* Bits 24-27: FlexBus signal group 2 multiplex control */
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#define FB_CSPMCR_GROUP2_MASK (15 << FB_CSPMCR_GROUP2_SHIFT)
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# define FB_CSPMCR_GROUP2_CS4 (0 << FB_CSPMCR_GROUP2_SHIFT) /* FB_CS4 */
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# define FB_CSPMCR_GROUP2_TSIZ0 (1 << FB_CSPMCR_GROUP2_SHIFT) /* FB_TSIZ0 */
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# define FB_CSPMCR_GROUP2_BE3124 (2 << FB_CSPMCR_GROUP2_SHIFT) /* FB_BE_31_24 */
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#define FB_CSPMCR_GROUP1_SHIFT (28) /* Bits 28-31: FlexBus signal group 1 multiplex control */
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#define FB_CSPMCR_GROUP1_MASK (15 << FB_CSPMCR_GROUP1_MASK)
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# define FB_CSPMCR_GROUP1_ALE (0 << FB_CSPMCR_GROUP1_MASK) /* FB_ALE */
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# define FB_CSPMCR_GROUP1_CS1 (1 << FB_CSPMCR_GROUP1_MASK) /* FB_CS1 */
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# define FB_CSPMCR_GROUP1_TS (2 << FB_CSPMCR_GROUP1_MASK) /* FB_TS */
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/************************************************************************************
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* Public Types
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************************************************************************************/
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/************************************************************************************
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* Public Data
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************************************************************************************/
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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#endif /* __ARCH_ARM_SRC_KINETIS_KINETIS_FLEXBUS_H */
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