blob: 86b8df8bd6f87886326a8368edc56537a9826f04 (
plain) (
tree)
|
|
/************************************************************************************
* arch/arm/src/stm32/stm32_fsmc.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_STM32_STM32_FSMC_H
#define __ARCH_ARM_SRC_STM32_STM32_FSMC_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include "chip.h"
/************************************************************************************
* Definitions
************************************************************************************/
/* Register Offsets *****************************************************************/
#define STM32_FSMC_BCR_OFFSET(n) (8*((n)-1))
#define STM32_FSMC_BCR1_OFFSET 0x0000 /* SRAM/NOR-Flash chip-select control registers 1 */
#define STM32_FSMC_BCR2_OFFSET 0x0008 /* SRAM/NOR-Flash chip-select control registers 2 */
#define STM32_FSMC_BCR3_OFFSET 0x0010 /* SRAM/NOR-Flash chip-select control registers 3 */
#define STM32_FSMC_BCR4_OFFSET 0x0018 /* SRAM/NOR-Flash chip-select control registers 4 */
#define STM32_FSMC_BTR_OFFSET(n) (8*((n)-1)+0x0004)
#define STM32_FSMC_BTR1_OFFSET 0x0004 /* SRAM/NOR-Flash chip-select timing registers 1 */
#define STM32_FSMC_BTR2_OFFSET 0x000c /* SRAM/NOR-Flash chip-select timing registers 2 */
#define STM32_FSMC_BTR3_OFFSET 0x0014 /* SRAM/NOR-Flash chip-select timing registers 3 */
#define STM32_FSMC_BTR4_OFFSET 0x001c /* SRAM/NOR-Flash chip-select timing registers 4 */
#define STM32_FSMC_BWTR_OFFSET(n) (8*((n)-1)+0x0104)
#define STM32_FSMC_BWTR1_OFFSET 0x0104 /* SRAM/NOR-Flash write timing registers 1 */
#define STM32_FSMC_BWTR2_OFFSET 0x010c /* SRAM/NOR-Flash write timing registers 2 */
#define STM32_FSMC_BWTR3_OFFSET 0x0114 /* SRAM/NOR-Flash write timing registers 3 */
#define STM32_FSMC_BWTR4_OFFSET 0x011c /* SRAM/NOR-Flash write timing registers 4 */
#define STM32_FSMC_PCR_OFFSET(n) (0x0020*((n)-1)+0x0040)
#define STM32_FSMC_PCR2_OFFSET 0x0060 /* NAND Flash/PC Card controller register 2 */
#define STM32_FSMC_PCR3_OFFSET 0x0080 /* NAND Flash/PC Card controller register 3 */
#define STM32_FSMC_PCR4_OFFSET 0x00a0 /* NAND Flash/PC Card controller register 4 */
#define STM32_FSMC_SR_OFFSET(n) (0x0020*((n)-1)+0x0044)
#define STM32_FSMC_SR2_OFFSET 0x0064 /* NAND Flash/PC Card controller register 2 */
#define STM32_FSMC_SR3_OFFSET 0x0084 /* NAND Flash/PC Card controller register 3 */
#define STM32_FSMC_SR4_OFFSET 0x00a4 /* NAND Flash/PC Card controller register 4 */
#define STM32_FSMC_PMEM_OFFSET(n) (0x0020*((n)-1)+0x0048)
#define STM32_FSMC_PMEM2_OFFSET 0x0068 /* Common memory space timing register 2 */
#define STM32_FSMC_PMEM3_OFFSET 0x0088 /* Common memory space timing register 3 */
#define STM32_FSMC_PMEM4_OFFSET 0x00a8 /* Common memory space timing register 4 */
#define STM32_FSMC_PATT_OFFSET(n) (0x0020*((n)-1)+0x004c)
#define STM32_FSMC_PATT2_OFFSET 0x006c /* Attribute memory space timing register 2 */
#define STM32_FSMC_PATT3_OFFSET 0x008c /* Attribute memory space timing register 3 */
#define STM32_FSMC_PATT4_OFFSET 0x00ac /* Attribute memory space timing register 4 */
#define STM32_PIO4_OFFSET 0x00b0 /* I/O space timing register 4 */
#define STM32_FSMC_ECCR_OFFSET(n) (0x0020*((n)-1)+0x003c)
#define STM32_FSMC_ECCR2_OFFSET 0x0054 /* ECC result register 2 */
#define STM32_FSMC_ECCR3_OFFSET 0x0074 /* ECC result register 3 */
/* Register Addresses ***************************************************************/
#define STM32_FSMC_BCR(n) (STM32_FSMC_BASE+STM32_FSMC_BCR_OFFSET (n))
#define STM32_FSMC_BCR1 (STM32_FSMC_BASE+STM32_FSMC_BCR1_OFFSET )
#define STM32_FSMC_BCR2 (STM32_FSMC_BASE+STM32_FSMC_BCR2_OFFSET )
#define STM32_FSMC_BCR3 (STM32_FSMC_BASE+STM32_FSMC_BCR3_OFFSET )
#define STM32_FSMC_BCR4 (STM32_FSMC_BASE+STM32_FSMC_BCR4_OFFSET )
#define STM32_FSMC_BTR(n) (STM32_FSMC_BASE+STM32_FSMC_BTR_OFFSET (n))
#define STM32_FSMC_BTR1 (STM32_FSMC_BASE+STM32_FSMC_BTR1_OFFSET )
#define STM32_FSMC_BTR2 (STM32_FSMC_BASE+STM32_FSMC_BTR2_OFFSET )
#define STM32_FSMC_BTR3 (STM32_FSMC_BASE+STM32_FSMC_BTR3_OFFSET )
#define STM32_FSMC_BTR4 (STM32_FSMC_BASE+STM32_FSMC_BTR4_OFFSET )
#define STM32_FSMC_BWTR(n) (STM32_FSMC_BASE+STM32_FSMC_BWTR_OFFSET (n))
#define STM32_FSMC_BWTR1 (STM32_FSMC_BASE+STM32_FSMC_BWTR1_OFFSET )
#define STM32_FSMC_BWTR2 (STM32_FSMC_BASE+STM32_FSMC_BWTR2_OFFSET )
#define STM32_FSMC_BWTR3 (STM32_FSMC_BASE+STM32_FSMC_BWTR3_OFFSET )
#define STM32_FSMC_BWTR4 (STM32_FSMC_BASE+STM32_FSMC_BWTR4_OFFSET )
#define STM32_FSMC_PCR(n) (STM32_FSMC_BASE+STM32_FSMC_PCR_OFFSET (n))
#define STM32_FSMC_PCR2 (STM32_FSMC_BASE+STM32_FSMC_PCR2_OFFSET )
#define STM32_FSMC_PCR3 (STM32_FSMC_BASE+STM32_FSMC_PCR3_OFFSET )
#define STM32_FSMC_PCR4 (STM32_FSMC_BASE+STM32_FSMC_PCR4_OFFSET )
#define STM32_FSMC_SR(n) (STM32_FSMC_BASE+STM32_FSMC_SR_OFFSET (n))
#define STM32_FSMC_SR2 (STM32_FSMC_BASE+STM32_FSMC_SR2_OFFSET )
#define STM32_FSMC_SR3 (STM32_FSMC_BASE+STM32_FSMC_SR3_OFFSET )
#define STM32_FSMC_SR4 (STM32_FSMC_BASE+STM32_FSMC_SR4_OFFSET )
#define STM32_FSMC_PMEM(n) (STM32_FSMC_BASE+STM32_FSMC_PMEM_OFFSET (n))
#define STM32_FSMC_PMEM2 (STM32_FSMC_BASE+STM32_FSMC_PMEM2_OFFSET )
#define STM32_FSMC_PMEM3 (STM32_FSMC_BASE+STM32_FSMC_PMEM3_OFFSET )
#define STM32_FSMC_PMEM4 (STM32_FSMC_BASE+STM32_FSMC_PMEM4_OFFSET )
#define STM32_FSMC_PATT(n) (STM32_FSMC_BASE+STM32_FSMC_PATT_OFFSET (n))
#define STM32_FSMC_PATT2 (STM32_FSMC_BASE+STM32_FSMC_PATT2_OFFSET )
#define STM32_FSMC_PATT3 (STM32_FSMC_BASE+STM32_FSMC_PATT3_OFFSET )
#define STM32_FSMC_PATT4 (STM32_FSMC_BASE+STM32_FSMC_PATT4_OFFSET )
#define STM32_PIO4 (STM32_FSMC_BASE+STM32_FSMC_PIO4_OFFSET )
#define STM32_FSMC_ECCR(n) (STM32_FSMC_BASE+STM32_FSMC_ECCR_OFFSET (n))
#define STM32_FSMC_ECCR2 (STM32_FSMC_BASE+STM32_FSMC_ECCR2_OFFSET )
#define STM32_FSMC_ECCR3 (STM32_FSMC_BASE+STM32_FSMC_ECCR3_OFFSET )
/* Register Bitfield Definitions ****************************************************/
#define FSMC_BCR_MBKEN (1 << 0) /* Memory bank enable bit */
#define FSMC_BCR_MUXEN (1 << 1) /* Address/data multiplexing enable bit */
#define FSMC_BCR_MTYP_SHIFT (2) /* Memory type */
#define FSMC_BCR_MTYP_MASK (3 << FSMC_BCR_MTYP_SHIFT)
# define FSMC_BCR_SRAM (0 << FSMC_BCR_MTYP_SHIFT)
# define FSMC_BCR_ROM (0 << FSMC_BCR_MTYP_SHIFT)
# define FSMC_BCR_PSRAM (1 << FSMC_BCR_MTYP_SHIFT)
# define FSMC_BCR_CRAM (1 << FSMC_BCR_MTYP_SHIFT)
# define FSMC_BCR_NOR (2 << FSMC_BCR_MTYP_SHIFT)
#define FSMC_BCR_MWID_SHIFT (4) /* Memory data bus width */
#define FSMC_BCR_MWID_MASK (3 << FSMC_BCR_MWID_SHIFT)
# define FSMC_BCR_MWID8 (0 << FSMC_BCR_MWID_SHIFT)
# define FSMC_BCR_MWID16 (1 << FSMC_BCR_MWID_SHIFT)
#define FSMC_BCR_FACCEN (1 << 6) /* Flash access enable */
#define FSMC_BCR_BURSTEN (1 << 8) /* Burst enable bit */
#define FSMC_BCR_WAITPOL (1 << 9) /* Wait signal polarity bit */
#define FSMC_BCR_WRAPMOD (1 << 10) /* Wrapped burst mode support */
#define FSMC_BCR_WAITCFG (1 << 11) /* Wait timing configuration */
#define FSMC_BCR_WREN (1 << 12) /* Write enable bit */
#define FSMC_BCR_WAITEN (1 << 13) /* Wait enable bit */
#define FSMC_BCR_EXTMOD (1 << 14) /* Extended mode enable */
#define FSMC_BCR_CBURSTRW (1 << 19) /* Write burst enable */
#define FSMC_BTR_ADDSET_SHIFT (0) /* Address setup phase duration */
#define FSMC_BTR_ADDSET_MASK (15 << FSMC_BTR_ADDSET_SHIFT)
# define FSMC_BTR_ADDSET(n) ((n-1) << FSMC_BTR_ADDSET_SHIFT) /* (n)xHCLK n=1..16 */
#define FSMC_BTR_ADDHLD_SHIFT (4) /* Address-hold phase duration */
#define FSMC_BTR_ADDHLD_MASK (15 << FSMC_BTR_ADDHLD_SHIFT)
# define FSMC_BTR_ADDHLD(n) ((n-1) << FSMC_BTR_ADDHLD_SHIFT) /* (n)xHCLK n=2..16*/
#define FSMC_BTR_DATAST_SHIFT (8) /* Data-phase duration */
#define FSMC_BTR_DATAST_MASK (255 << FSMC_BTR_DATAST_SHIFT)
# define FSMC_BTR_DATAST(n) ((n-1) << FSMC_BTR_DATAST_SHIFT) /* (n)xHCLK n=2..256 */
#define FSMC_BTR_BUSTURN_SHIFT (16) /* Bus turnaround phase duration */
#define FSMC_BTR_BUSTURN_MASK (15 << FSMC_BTR1_BUSTURN_SHIFT)
# define FSMC_BTR_BUSTRUN(n) ((n-1) << FSMC_BTR_BUSTURN_SHIFT) /* (n)xHCLK n=1..16 */
#define FSMC_BTR_CLKDIV_SHIFT (20) /* Clock divide ratio */
#define FSMC_BTR_CLKDIV_MASK (15 << FSMC_BTR_CLKDIV_SHIFT)
# define FSMC_BTR_CLKDIV(n) ((n-1) << FSMC_BTR_CLKDIV_SHIFT) /* (n)xHCLK n=2..16 */
#define FSMC_BTR_DATLAT_SHIFT (24) /* Data latency */
#define FSMC_BTR_DATLAT_MASK (15 << FSMC_BTR_DATLAT_SHIFT)
# define FSMC_BTR_DATLAT(n) ((n-2) << FSMC_BTR_DATLAT_SHIFT) /* (n)xHCLK n=2..17 */
#define FSMC_BTR_ACCMOD_SHIFT (28) /* Access mode */
#define FSMC_BTR_ACCMOD_MASK (3 << FSMC_BTR_ACCMOD_SHIFT)
# define FSMC_BTR_ACCMODA (0 << FSMC_BTR_ACCMOD_SHIFT)
# define FSMC_BTR_ACCMODB (1 << FSMC_BTR_ACCMOD_SHIFT)
# define FSMC_BTR_ACCMODC (2 << FSMC_BTR_ACCMOD_SHIFT)
# define FSMC_BTR_ACCMODD (3 << FSMC_BTR_ACCMOD_SHIFT)
#define FSMC_BWTR_ADDSET_SHIFT (0) /* Address setup phase duration */
#define FSMC_BWTR_ADDSET_MASK (15 << FSMC_BWTR_ADDSET_SHIFT)
# define FSMC_BWTR_ADDSET(n) ((n-1) << FSMC_BWTR_ADDSET_SHIFT) /* (n)xHCLK n=1..16 */
#define FSMC_BWTR_ADDHLD_SHIFT (4) /* Address-hold phase duration */
#define FSMC_BWTR_ADDHLD_MASK (15 << FSMC_BWTR_ADDHLD_SHIFT)
# define FSMC_BWTR_ADDHLD(n) ((n-1) << FSMC_BWTR_ADDHLD_SHIFT) /* (n)xHCLK n=2..16*/
#define FSMC_BWTR_DATAST_SHIFT (8) /* Data-phase duration */
#define FSMC_BWTR_DATAST_MASK (255 << FSMC_BWTR_DATAST_SHIFT)
# define FSMC_BWTR_DATAST(n) ((n-1) << FSMC_BWTR_DATAST_SHIFT) /* (n)xHCLK n=2..256 */
#define FSMC_BWTR_CLKDIV_SHIFT (20) /* Clock divide ratio */
#define FSMC_BWTR_CLKDIV_MASK (15 << FSMC_BWTR_CLKDIV_SHIFT)
# define FSMC_BWTR_CLKDIV(n) ((n-1) << FSMC_BWTR_CLKDIV_SHIFT) /* (n)xHCLK n=2..16 */
#define FSMC_BWTR_DATLAT_SHIFT (24) /* Data latency */
#define FSMC_BWTR_DATLAT_MASK (15 << FSMC_BWTR_DATLAT_SHIFT)
# define FSMC_BWTR_DATLAT(n) ((n-2) << FSMC_BWTR_DATLAT_SHIFT) /* (n)xHCLK n=2..17 */
#define FSMC_BWTR_ACCMOD_SHIFT (28) /* Access mode */
#define FSMC_BWTR_ACCMOD_MASK (3 << FSMC_BWTR_ACCMOD_SHIFT)
# define FSMC_BWTR_ACCMODA (0 << FSMC_BWTR_ACCMOD_SHIFT)
# define FSMC_BWTR_ACCMODB (1 << FSMC_BWTR_ACCMOD_SHIFT)
# define FSMC_BWTR_ACCMODC (2 << FSMC_BWTR_ACCMOD_SHIFT)
# define FSMC_BWTR_ACCMODD (3 << FSMC_BTR_ACCMOD_SHIFT)
#define FSMC_PCR_PWAITEN (1 << 1) /* Wait feature enable bit */
#define FSMC_PCR_PBKEN (1 << 2) /* PC Card/NAND Flash memory bank enable bit */
#define FSMC_PCR_PTYP (1 << 3) /* Memory type */
#define FSMC_PCR_PWID_SHIFT (4) /* NAND Flash databus width */
#define FSMC_PCR_PWID_MASK (3 << FSMC_PCR_PWID_SHIFT)
# define FSMC_PCR_PWID8 (0 << FSMC_PCR_PWID_SHIFT)
# define FSMC_PCR_PWID16 (1 << FSMC_PCR_PWID_SHIFT)
#define FSMC_PCR_ECCEN (1 << 6) /* ECC computation logic enable bit */
#define FSMC_PCR_TCLR_SHIFT (9) /* CLE to RE delay */
#define FSMC_PCR_TCLR_MASK (15 << FSMC_PCR_TCLR_SHIFT)
# define FSMC_PCR_TCLR(n) ((n-1) << FSMC_PCR_TCLR_SHIFT) /* (n)xHCLK n=1..16 */
#define FSMC_PCR_TAR_SHIFT (13) /* ALE to RE delay */
#define FSMC_PCR_TAR_MASK (15 << FSMC_PCR_TAR_MASK)
# define FSMC_PCR_TAR(n) ((n-1) << FSMC_PCR_TAR_SHIFT) /* (n)xHCLK n=1..16 */
#define FSMC_PCR_ECCPS_SHIFT (17) /* ECC page size */
#define FSMC_PCR_ECCPS_MASK (7 << FSMC_PCR_ECCPS_SHIFT)
# define FSMC_PCR_ECCPS256 (0 << FSMC_PCR_ECCPS_SHIFT) /* 256 bytes */
# define FSMC_PCR_ECCPS512 (1 << FSMC_PCR_ECCPS_SHIFT) /* 512 bytes */
# define FSMC_PCR_ECCPS1024 (2 << FSMC_PCR_ECCPS_SHIFT) /* 1024 bytes */
# define FSMC_PCR_ECCPS2048 (3 << FSMC_PCR_ECCPS_SHIFT) /* 2048 bytes */
# define FSMC_PCR_ECCPS4096 (4 << FSMC_PCR_ECCPS_SHIFT) /* 8192 bytes */
# define FSMC_PCR_ECCPS8192 (5 << FSMC_PCR_ECCPS_SHIFT) /* 1024 bytes */
#define FSMC_SR_IRS (1 << 0) /* Interrupt Rising Edge status */
#define FSMC_SR_ILS (1 << 1) /* Interrupt Level status */
#define FSMC_SR_IFS (1 << 2) /* Interrupt Falling Edge status */
#define FSMC_SR_IREN (1 << 3) /* Interrupt Rising Edge detection Enable bit */
#define FSMC_SR_ILEN (1 << 4) /* Interrupt Level detection Enable bit */
#define FSMC_SR_IFEN (1 << 5) /* Interrupt Falling Edge detection Enable bit */
#define FSMC_SR_FEMPT (1 << 6) /* FIFO empty */
#define FSMC_PMEM_MEMSET_SHIFT (0) /* Common memory setup time */
#define FSMC_PMEM_MEMSET_MASK (255 << FSMC_PMEM_MEMSET_SHIFT)
# define FSMC_PMEM_MEMSET(n) ((n-1) << FSMC_PMEM_MEMSET_SHIFT) /* (n)xHCLK n=1..256 */
#define FSMC_PMEM_MEMWAIT_SHIFT (8) /* Common memory wait time */
#define FSMC_PMEM_MEMWAIT_MASK (255 << FSMC_PMEM_MEMWAIT_SHIFT)
# define FSMC_PMEM_MEMWAIT(n) ((n-1) << FSMC_PMEM_MEMWAIT_SHIFT) /* (n)xHCLK n=2..256 */
#define FSMC_PMEM_MEMHOLD_SHIFT (16) /* Common memoryhold time */
#define FSMC_PMEM_MEMHOLD_MASK (255 << FSMC_PMEM_MEMHOLD_SHIFT)
# define FSMC_PMEM_MEMHOLD(n) ((n) << FSMC_PMEM_MEMHOLD_SHIFT) /* (n)xHCLK n=1..255 */
#define FSMC_PMEM_MEMHIZ_SHIFT (24) /* Common memory databus HiZ time */
#define FSMC_PMEM_MEMHIZ_MASK (255 << FSMC_PMEM_MEMHIZ_SHIFT)
# define FSMC_PMEM_MEMHIZ(n) ((n) << FSMC_PMEM_MEMHIZ_SHIFT) /* (n)xHCLK n=0..255 */
#define FSMC_PATT_ATTSET_SHIFT (0) /* Attribute memory setup time */
#define FSMC_PATT_ATTSET_MASK (255 << FSMC_PATT_ATTSET_SHIFT)
# define FSMC_PATT_ATTSET(n) ((n-1) << FSMC_PATT_ATTSET_SHIFT) /* (n)xHCLK n=1..256 */
#define FSMC_PATT_ATTWAIT_SHIFT (8) /* Attribute memory wait time */
#define FSMC_PATT_ATTWAIT_MASK (255 << FSMC_PATT_ATTWAIT_SHIFT)
# define FSMC_PATT_ATTWAIT(n) ((n-1) << FSMC_PATT_ATTWAIT_SHIFT) /* (n)xHCLK n=2..256 */
#define FSMC_PATT_ATTHOLD_SHIFT (16) /* Attribute memory hold time */
#define FSMC_PATT_ATTHOLD_MASK (255 << FSMC_PATT_ATTHOLD_SHIFT)
# define FSMC_PATT_ATTHOLD(n) ((n) << FSMC_PATT_ATTHOLD_SHIFT) /* (n)xHCLK n=1..255 */
#define FSMC_PATT_ATTHIZ_SHIFT (24) /* Attribute memory databus HiZ time */
#define FSMC_PATT_ATTHIZ_MASK (255 << FSMC_PATT_ATTHIZ_SHIFT)
# define FSMC_PATT_ATTHIZ(n) ((n) << FSMC_PATT_ATTHIZ_SHIFT) /* (n)xHCLK n=0..255 */
#define FSMC_PIO4_IOSET_SHIFT (0) /* IOribute memory setup time */
#define FSMC_PIO4_IOSET_MASK (255 << FSMC_PIO4_IOSET_SHIFT)
# define FSMC_PIO4_IOSET(n) ((n-1) << FSMC_PIO4_IOSET_SHIFT) /* (n)xHCLK n=1..256 */
#define FSMC_PIO4_IOWAIT_SHIFT (8) /* IOribute memory wait time */
#define FSMC_PIO4_IOWAIT_MASK (255 << FSMC_PIO4_IOWAIT_SHIFT)
# define FSMC_PIO4_IOWAIT(n) ((n-1) << FSMC_PIO4_IOWAIT_SHIFT) /* (n)xHCLK n=2..256 */
#define FSMC_PIO4_IOHOLD_SHIFT (16) /* IOribute memory hold time */
#define FSMC_PIO4_IOHOLD_MASK (255 << FSMC_PIO4_IOHOLD_SHIFT)
# define FSMC_PIO4_IOHOLD(n) ((n) << FSMC_PIO4_IOHOLD_SHIFT) /* (n)xHCLK n=1..255 */
#define FSMC_PIO4_IOHIZ_SHIFT (24) /* IOribute memory databus HiZ time */
#define FSMC_PIO4_IOHIZ_MASK (255 << FSMC_PIO4_IOHIZ_SHIFT)
# define FSMC_PIO4_IOHIZ(n) ((n) << FSMC_PIO4_IOHIZ_SHIFT) /* (n)xHCLK n=0..255 */
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
#endif /* __ARCH_ARM_SRC_STM32_STM32_FSMC_H */
|
