4bc2ba3bee
lc823450 spi flash
* arch/arm/src/lc823450: Add SPI flash driver for lc823450
NOTE: Only bus accelerator mode is supported.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
* arch/arm/src/lc823450: Remove unnecessary settings in Kconfig
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Approved-by: GregoryN <gnutt@nuttx.org>
130 lines
5.0 KiB
C
130 lines
5.0 KiB
C
/****************************************************************************
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* arch/arm/src/lc823450/lc823450_spifi2.h
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*
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* Copyright 2014,2015,2016,2017,2018 Sony Video & Sound Products Inc.
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* Author: Masatoshi Tateishi <Masatoshi.Tateishi@jp.sony.com>
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* Author: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
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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_LC823450_LC823450_SPIFI2_H
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#define __ARCH_ARM_SRC_LC823450_LC823450_SPIFI2_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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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define LC823450_SFLASH_REGBASE 0x40001000
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#define SF_SIZE (LC823450_SFLASH_REGBASE + 0x00)
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#define SF_SIZE_T_SHIFT 0
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#define SF_SIZE_UL_SHIFT 24
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#define SF_SIZE_NOREAD (1 << 28)
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#define SF_CTL (LC823450_SFLASH_REGBASE + 0x04)
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#define SF_CTL_ACT (1 << 0)
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#define SF_MODE (LC823450_SFLASH_REGBASE + 0x08)
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#define SF_MODE_MODE_SHIFT 0
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#define SF_DUMMY (LC823450_SFLASH_REGBASE + 0x0c)
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#define SF_DUMMY_DUMMY (1 << 0)
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#define SF_FIFO_CLR (LC823450_SFLASH_REGBASE + 0x10)
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#define SF_STATUS (LC823450_SFLASH_REGBASE + 0x14)
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#define SF_IRQEN (LC823450_SFLASH_REGBASE + 0x18)
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#define SF_FIFO_NUM (LC823450_SFLASH_REGBASE + 0x1c)
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#define SF_FIFO_NUM_T_SHIFT 0
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#define SF_FIFO_NUM_T_MASK (0xf << SF_FIFO_NUM_T_SHIFT)
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#define SF_FIFO_NUM_R_SHIFT 8
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#define SF_FIFO_NUM_R_MASK (0xf << SF_FIFO_NUM_R_SHIFT)
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#define SF_SRSTB (LC823450_SFLASH_REGBASE + 0x20)
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#define SF_PHASE_SET (LC823450_SFLASH_REGBASE + 0x24)
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#define SF_BUS (LC823450_SFLASH_REGBASE + 0x28)
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#define SF_BUS_BUSEN (1 << 0)
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#define SF_BUS_LOOKAHEAD (1 << 1)
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#define SF_BUS_ACT (1 << 24)
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#define SF_BUS_BUSMODE_SHIFT 8
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#define SF_TIMING (LC823450_SFLASH_REGBASE + 0x2c)
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#define SF_TIMING_CS_MASK (0x7 << 0)
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#define SF_TIMING_CS_SHIFT 0
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#define SF_T_FIFO (LC823450_SFLASH_REGBASE + 0x30)
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#define SF_R_FIFO (LC823450_SFLASH_REGBASE + 0x34)
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#define SF_CMD_WRITE_STATUS 0x01
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#define SF_CMD_PAGE_PROG 0x02
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#define SF_CMD_READ_STATUS1 0x05
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#define SF_CMD_WRITE_EN 0x06
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#define SF_CMD_FAST_READ 0x0b
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#define SF_CMD_SEC_ERASE 0x20
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#define SF_CMD_WRITE_STATUS2 0x31
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#define SF_CMD_READ_STATUS2 0x35
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#define SF_CMD_SR_WRITE_EN 0x50
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#define SF_CMD_CHIP_ERASE 0x60
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#define SF_CMD_FAST_READ_QUAD 0x6b
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#define SF_CMD_READ_JID 0x9f
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#define SF_STATUS1_BUSY (1 << 0)
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#define SF_STATUS2_QE (1 << 1)
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#define SF_JID_MID_MASK 0xff0000
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#define SF_JID_MID_WINBOND 0xef0000
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#define SF_JID_MID_MACRONIX 0xc20000
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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void lc823450_spiflash_earlyinit(void);
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#if defined(__cplusplus)
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}
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#endif
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#undef EXTERN
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#endif /* __ASSEMBLY__ */
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#endif /* __ARCH_ARM_SRC_LC823450_LC823450_SPIFI2_H */
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