arch/sim: Move spiflash simulation to drivers/spi instead

since it's common implementation can be used in other arch too

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2022-01-06 13:48:21 +08:00 committed by Xiang Xiao
parent ee916bdb91
commit d296f9c085
8 changed files with 423 additions and 370 deletions

View file

@ -381,112 +381,6 @@ config SIM_INT_POLLDELAY
endif # SIM_IOEXPANDER
config SIM_SPIFLASH
bool "Simulated SPI FLASH with SMARTFS"
default n
select FS_SMARTFS
select MTD_SMART
---help---
Adds a simulated SPI FLASH that responds to standard M25 style
commands on the SPI bus.
choice
prompt "Simulated SPI FLASH Size"
default SIM_SPIFLASH_1M
depends on SIM_SPIFLASH
config SIM_SPIFLASH_1M
bool "1 MBit (128K Byte)"
config SIM_SPIFLASH_8M
bool "8 MBit (1M Byte)"
config SIM_SPIFLASH_32M
bool "32 MBit (4M Byte)"
config SIM_SPIFLASH_64M
bool "64 MBit (8M Byte)"
config SIM_SPIFLASH_128M
bool "128 MBit (16M Byte)"
endchoice
config SIM_SPIFLASH_SECTORSIZE
int "FLASH Sector Erase Size"
default 65536
depends on SIM_SPIFLASH
---help---
Sets the large sector erase size that the part simulates.
This driver simulates SPI devices that have both a large
sector erase as well as a "sub-sector" (per the datasheet)
erase size (typically 4K bytes).
config SIM_SPIFLASH_SUBSECTORSIZE
int "FLASH Sub-Sector Erase Size"
default 4096
depends on SIM_SPIFLASH
---help---
Sets the smaller sub-sector erase size supported by the
FLASH emulation
config SIM_SPIFLASH_M25P
bool "Enable M25Pxx FLASH"
depends on MTD_M25P
---help---
Enables simulation of an M25P type FLASH
config SIM_SPIFLASH_SST26
bool "Enable SST26 FLASH"
depends on MTD_SST26
---help---
Enables simulation of an SST26 type FLASH
config SIM_SPIFLASH_W25
bool "Enable W25 FLASH"
depends on MTD_W25
---help---
Enables simulation of a W25 type FLASH
config SIM_SPIFLASH_CUSTOM
bool "Enable Emulation of a Custom Manufacturer / ID FLASH"
depends on SIM_SPIFLASH
---help---
Enables simulation of FLASH with a custom Manufacturer, ID and Capacity
config SIM_SPIFLASH_MANUFACTURER
hex "Hex ID of the FLASH manufacturer code"
default 0x20
depends on SIM_SPIFLASH_CUSTOM
---help---
Allows the simulated FLASH Manufacturer ID to be set.
config SIM_SPIFLASH_MEMORY_TYPE
hex "Hex ID of the FLASH Memory Type code"
default 0x20
depends on SIM_SPIFLASH_CUSTOM
---help---
Allows the simulated FLASH Memory Type code to be set.
config SIM_SPIFLASH_CAPACITY
hex "Hex ID of the FLASH capacity code"
default 0x14
depends on SIM_SPIFLASH_CUSTOM
---help---
Allows the simulated FLASH Memory Capacity code to be set.
config SIM_SPIFLASH_PAGESIZE
int "FLASH Write / Program Page Size"
default 256
depends on SIM_SPIFLASH
---help---
Sets the size of a page program operation. The page size
represents the maximum number of bytes that can be sent
for a program operation. If more bytes than this are
sent on a single Page Program, then the address will
"wrap" causing the initial data sent to be overwritten.
This is consistent with standard SPI FLASH operation.
config SIM_QSPIFLASH
bool "Simulated QSPI FLASH with SMARTFS"
default n

View file

@ -140,10 +140,6 @@ ifeq ($(CONFIG_SIM_IOEXPANDER),y)
CSRCS += up_ioexpander.c
endif
ifeq ($(CONFIG_SIM_SPIFLASH),y)
CSRCS += up_spiflash.c
endif
ifeq ($(CONFIG_SIM_QSPIFLASH),y)
CSRCS += up_qspiflash.c
endif

View file

@ -38,6 +38,7 @@
#include <nuttx/note/note_driver.h>
#include <nuttx/syslog/syslog_console.h>
#include <nuttx/serial/pty.h>
#include <nuttx/spi/spi_flash.h>
#include <nuttx/crypto/crypto.h>
#include <nuttx/power/pm.h>
@ -56,23 +57,24 @@
*
****************************************************************************/
#if defined(CONFIG_FS_SMARTFS) && (defined(CONFIG_SIM_SPIFLASH) || defined(CONFIG_SIM_QSPIFLASH))
#if defined(CONFIG_FS_SMARTFS) && defined(CONFIG_MTD_SMART) && \
(defined(CONFIG_SPI_FLASH) || defined(CONFIG_SIM_QSPIFLASH))
static void up_init_smartfs(void)
{
FAR struct mtd_dev_s *mtd;
int minor = 0;
#if defined(CONFIG_MTD_M25P) || defined(CONFIG_MTD_W25) || defined(CONFIG_MTD_SST26)
FAR struct mtd_dev_s *mtd;
FAR struct spi_dev_s *spi;
int minor = 0;
#endif
#ifdef CONFIG_MTD_N25QXXX
FAR struct qspi_dev_s *qspi;
#endif
#ifdef CONFIG_SIM_SPIFLASH
#ifdef CONFIG_SPI_FLASH
#ifdef CONFIG_MTD_M25P
/* Initialize a simulated SPI FLASH block device m25p MTD driver */
spi = up_spiflashinitialize("m25p");
spi = spi_flash_initialize("m25p");
if (spi != NULL)
{
mtd = m25p_initialize(spi);
@ -91,7 +93,7 @@ static void up_init_smartfs(void)
#ifdef CONFIG_MTD_SST26
/* Initialize a simulated SPI FLASH block device sst26 MTD driver */
spi = up_spiflashinitialize("sst26");
spi = spi_flash_initialize("sst26");
if (spi != NULL)
{
mtd = sst26_initialize_spi(spi);
@ -110,7 +112,7 @@ static void up_init_smartfs(void)
#ifdef CONFIG_MTD_W25
/* Initialize a simulated SPI FLASH block device w25 MTD driver */
spi = up_spiflashinitialize("w25");
spi = spi_flash_initialize("w25");
if (spi != NULL)
{
mtd = w25_initialize(spi);
@ -125,7 +127,7 @@ static void up_init_smartfs(void)
}
}
#endif
#endif /* CONFIG_SIM_SPIFLASH */
#endif /* CONFIG_SPI_FLASH */
#if defined(CONFIG_MTD_N25QXXX) && defined(CONFIG_SIM_QSPIFLASH)
/* Initialize a simulated SPI FLASH block device n25qxxx MTD driver */
@ -270,7 +272,8 @@ void up_initialize(void)
telnet_initialize();
#endif
#if defined(CONFIG_FS_SMARTFS) && (defined(CONFIG_SIM_SPIFLASH) || defined(CONFIG_SIM_QSPIFLASH))
#if defined(CONFIG_FS_SMARTFS) && defined(CONFIG_MTD_SMART) && \
(defined(CONFIG_SPI_FLASH) || defined(CONFIG_SIM_QSPIFLASH))
up_init_smartfs();
#endif

View file

@ -92,7 +92,6 @@
struct tcb_s;
struct foc_dev_s;
struct spi_dev_s;
struct qspi_dev_s;
struct ioexpander_dev_s;
struct i2c_master_s;
@ -331,10 +330,6 @@ int up_rptun_init(const char *shmemname, const char *cpuname, bool master);
void up_rptun_loop(void);
#endif
#ifdef CONFIG_SIM_SPIFLASH
struct spi_dev_s *up_spiflashinitialize(const char *name);
#endif
#ifdef CONFIG_SIM_QSPIFLASH
struct qspi_dev_s *up_qspiflashinitialize(void);
#endif

View file

@ -218,4 +218,105 @@ config SPI_BITBANG_VARWIDTH
only.
endif # SPI_BITBANG
config SPI_FLASH
bool "Simulated SPI FLASH with SMARTFS"
default n
---help---
Adds a simulated SPI FLASH that responds to standard M25 style
commands on the SPI bus.
if SPI_FLASH
choice
prompt "Simulated SPI FLASH Size"
default SPI_FLASH_1M
config SPI_FLASH_1M
bool "1 MBit (128K Byte)"
config SPI_FLASH_8M
bool "8 MBit (1M Byte)"
config SPI_FLASH_32M
bool "32 MBit (4M Byte)"
config SPI_FLASH_64M
bool "64 MBit (8M Byte)"
config SPI_FLASH_128M
bool "128 MBit (16M Byte)"
endchoice
config SPI_FLASH_SECTORSIZE
int "FLASH Sector Erase Size"
default 65536
---help---
Sets the large sector erase size that the part simulates.
This driver simulates SPI devices that have both a large
sector erase as well as a "sub-sector" (per the datasheet)
erase size (typically 4K bytes).
config SPI_FLASH_SUBSECTORSIZE
int "FLASH Sub-Sector Erase Size"
default 4096
---help---
Sets the smaller sub-sector erase size supported by the
FLASH emulation
config SPI_FLASH_M25P
bool "Enable M25Pxx FLASH"
---help---
Enables simulation of an M25P type FLASH
config SPI_FLASH_SST26
bool "Enable SST26 FLASH"
---help---
Enables simulation of an SST26 type FLASH
config SPI_FLASH_W25
bool "Enable W25 FLASH"
---help---
Enables simulation of a W25 type FLASH
config SPI_FLASH_CUSTOM
bool "Enable Emulation of a Custom Manufacturer / ID FLASH"
---help---
Enables simulation of FLASH with a custom Manufacturer, ID and Capacity
config SPI_FLASH_MANUFACTURER
hex "Hex ID of the FLASH manufacturer code"
default 0x20
depends on SPI_FLASH_CUSTOM
---help---
Allows the simulated FLASH Manufacturer ID to be set.
config SPI_FLASH_MEMORY_TYPE
hex "Hex ID of the FLASH Memory Type code"
default 0x20
depends on SPI_FLASH_CUSTOM
---help---
Allows the simulated FLASH Memory Type code to be set.
config SPI_FLASH_CAPACITY
hex "Hex ID of the FLASH capacity code"
default 0x14
depends on SPI_FLASH_CUSTOM
---help---
Allows the simulated FLASH Memory Capacity code to be set.
config SPI_FLASH_PAGESIZE
int "FLASH Write / Program Page Size"
default 256
---help---
Sets the size of a page program operation. The page size
represents the maximum number of bytes that can be sent
for a program operation. If more bytes than this are
sent on a single Page Program, then the address will
"wrap" causing the initial data sent to be overwritten.
This is consistent with standard SPI FLASH operation.
endif # SPI_FLASH
endif # SPI

View file

@ -39,6 +39,10 @@ ifeq ($(CONFIG_SPI_BITBANG),y)
CSRCS += spi_bitbang.c
endif
ifeq ($(CONFIG_SPI_FLASH),y)
CSRCS += spi_flash.c
endif
# Include SPI device driver build support
DEPPATH += --dep-path spi

View file

@ -1,5 +1,5 @@
/************************************************************************************
* arch/sim/src/sim/up_spiflash.c
* drivers/spi/spi_flash.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
@ -24,18 +24,10 @@
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
#include <stdbool.h>
#include <errno.h>
#include <debug.h>
#include <string.h>
#include <nuttx/irq.h>
#include <nuttx/arch.h>
#include <nuttx/spi/spi.h>
#include "up_internal.h"
#include <nuttx/spi/spi_flash.h>
/************************************************************************************
* Pre-processor Definitions
@ -45,118 +37,118 @@
/* Define the FLASH SIZE in bytes */
#ifdef CONFIG_SIM_SPIFLASH_1M
# define CONFIG_SPIFLASH_SIZE (128 * 1024)
# define CONFIG_SPIFLASH_CAPACITY 0x11
#ifdef CONFIG_SPI_FLASH_1M
# define CONFIG_SPI_FLASH_SIZE (128 * 1024)
# define CONFIG_SPI_FLASH_CAPACITY 0x11
#ifndef CONFIG_SIM_SPIFLASH_SECTORSIZE
# define CONFIG_SIM_SPIFLASH_SECTORSIZE 2048
#ifndef CONFIG_SPI_FLASH_SECTORSIZE
# define CONFIG_SPI_FLASH_SECTORSIZE 2048
#endif
#endif
#ifdef CONFIG_SIM_SPIFLASH_8M
# define CONFIG_SPIFLASH_SIZE (1024 * 1024)
# define CONFIG_SPIFLASH_CAPACITY_SST26 0x3f
# define CONFIG_SPIFLASH_CAPACITY 0x14
#ifdef CONFIG_SPI_FLASH_8M
# define CONFIG_SPI_FLASH_SIZE (1024 * 1024)
# define CONFIG_SPI_FLASH_CAPACITY_SST26 0x3f
# define CONFIG_SPI_FLASH_CAPACITY 0x14
#endif
#ifdef CONFIG_SIM_SPIFLASH_32M
# define CONFIG_SPIFLASH_SIZE (4 * 1024 * 1024)
# define CONFIG_SPIFLASH_CAPACITY_SST26 0x42
# define CONFIG_SPIFLASH_CAPACITY 0x16
#ifdef CONFIG_SPI_FLASH_32M
# define CONFIG_SPI_FLASH_SIZE (4 * 1024 * 1024)
# define CONFIG_SPI_FLASH_CAPACITY_SST26 0x42
# define CONFIG_SPI_FLASH_CAPACITY 0x16
#endif
#ifdef CONFIG_SIM_SPIFLASH_64M
# define CONFIG_SPIFLASH_SIZE (8 * 1024 * 1024)
# define CONFIG_SPIFLASH_CAPACITY_SST26 0x43
# define CONFIG_SPIFLASH_CAPACITY 0x17
#ifdef CONFIG_SPI_FLASH_64M
# define CONFIG_SPI_FLASH_SIZE (8 * 1024 * 1024)
# define CONFIG_SPI_FLASH_CAPACITY_SST26 0x43
# define CONFIG_SPI_FLASH_CAPACITY 0x17
#endif
#ifdef CONFIG_SIM_SPIFLASH_128M
# define CONFIG_SPIFLASH_SIZE (16 * 1024 * 1024)
# define CONFIG_SPIFLASH_CAPACITY_SST26 0x44
# define CONFIG_SPIFLASH_CAPACITY 0x18
#ifdef CONFIG_SPI_FLASH_128M
# define CONFIG_SPI_FLASH_SIZE (16 * 1024 * 1024)
# define CONFIG_SPI_FLASH_CAPACITY_SST26 0x44
# define CONFIG_SPI_FLASH_CAPACITY 0x18
#endif
#ifndef CONFIG_SIM_SPIFLASH_MANUFACTURER
# define CONFIG_SIM_SPIFLASH_MANUFACTURER 0x20
#ifndef CONFIG_SPI_FLASH_MANUFACTURER
# define CONFIG_SPI_FLASH_MANUFACTURER 0x20
#endif
#ifndef CONFIG_SIM_SPIFLASH_MEMORY_TYPE
# define CONFIG_SIM_SPIFLASH_MEMORY_TYPE 0x20
#ifndef CONFIG_SPI_FLASH_MEMORY_TYPE
# define CONFIG_SPI_FLASH_MEMORY_TYPE 0x20
#endif
#ifndef CONFIG_SIM_SPIFLASH_SECTORSIZE
# define CONFIG_SIM_SPIFLASH_SECTORSIZE 65536
#ifndef CONFIG_SPI_FLASH_SECTORSIZE
# define CONFIG_SPI_FLASH_SECTORSIZE 65536
#endif
#ifndef CONFIG_SIM_SPIFLASH_SUBSECTORSIZE
# define CONFIG_SIM_SPIFLASH_SUBSECTORSIZE 4096
#ifndef CONFIG_SPI_FLASH_SUBSECTORSIZE
# define CONFIG_SPI_FLASH_SUBSECTORSIZE 4096
#endif
#ifndef CONFIG_SIM_SPIFLASH_SECTORSIZE_MASK
# define CONFIG_SIM_SPIFLASH_SECTORSIZE_MASK (~(CONFIG_SIM_SPIFLASH_SECTORSIZE-1))
#ifndef CONFIG_SPI_FLASH_SECTORSIZE_MASK
# define CONFIG_SPI_FLASH_SECTORSIZE_MASK (~(CONFIG_SPI_FLASH_SECTORSIZE-1))
#endif
#ifndef CONFIG_SIM_SPIFLASH_SUBSECTORSIZE_MASK
# define CONFIG_SIM_SPIFLASH_SUBSECTORSIZE_MASK (~(CONFIG_SIM_SPIFLASH_SUBSECTORSIZE-1))
#ifndef CONFIG_SPI_FLASH_SUBSECTORSIZE_MASK
# define CONFIG_SPI_FLASH_SUBSECTORSIZE_MASK (~(CONFIG_SPI_FLASH_SUBSECTORSIZE-1))
#endif
#ifndef CONFIG_SIM_SPIFLASH_PAGESIZE
# define CONFIG_SIM_SPIFLASH_PAGESIZE 256
#ifndef CONFIG_SPI_FLASH_PAGESIZE
# define CONFIG_SPI_FLASH_PAGESIZE 256
#endif
#ifndef CONFIG_SIM_SPIFLASH_PAGESIZE_MASK
# define CONFIG_SIM_SPIFLASH_PAGESIZE_MASK (CONFIG_SIM_SPIFLASH_PAGESIZE-1)
#ifndef CONFIG_SPI_FLASH_PAGESIZE_MASK
# define CONFIG_SPI_FLASH_PAGESIZE_MASK (CONFIG_SPI_FLASH_PAGESIZE-1)
#endif
/* Define FLASH States */
#define SPIFLASH_STATE_IDLE 0
#define SPIFLASH_STATE_RDID1 1
#define SPIFLASH_STATE_RDID2 2
#define SPIFLASH_STATE_RDID3 3
#define SPIFLASH_STATE_WREN 4
#define SPIFLASH_STATE_RDSR 5
#define SPIFLASH_STATE_SE1 6
#define SPIFLASH_STATE_SE2 7
#define SPIFLASH_STATE_SE3 8
#define SPIFLASH_STATE_PP1 9
#define SPIFLASH_STATE_PP2 10
#define SPIFLASH_STATE_PP3 11
#define SPIFLASH_STATE_PP4 12
#define SPIFLASH_STATE_READ1 13
#define SPIFLASH_STATE_READ2 14
#define SPIFLASH_STATE_READ3 15
#define SPIFLASH_STATE_READ4 16
#define SPIFLASH_STATE_FREAD_WAIT 17
#define SPI_FLASH_STATE_IDLE 0
#define SPI_FLASH_STATE_RDID1 1
#define SPI_FLASH_STATE_RDID2 2
#define SPI_FLASH_STATE_RDID3 3
#define SPI_FLASH_STATE_WREN 4
#define SPI_FLASH_STATE_RDSR 5
#define SPI_FLASH_STATE_SE1 6
#define SPI_FLASH_STATE_SE2 7
#define SPI_FLASH_STATE_SE3 8
#define SPI_FLASH_STATE_PP1 9
#define SPI_FLASH_STATE_PP2 10
#define SPI_FLASH_STATE_PP3 11
#define SPI_FLASH_STATE_PP4 12
#define SPI_FLASH_STATE_READ1 13
#define SPI_FLASH_STATE_READ2 14
#define SPI_FLASH_STATE_READ3 15
#define SPI_FLASH_STATE_READ4 16
#define SPI_FLASH_STATE_FREAD_WAIT 17
/* Instructions */
/* Command Value N Description Addr Dummy Data */
#define SPIFLASH_WREN 0x06 /* 1 Write Enable 0 0 0 */
#define SPIFLASH_WRDI 0x04 /* 1 Write Disable 0 0 0 */
#define SPIFLASH_RDID 0x9f /* 1 Read Identification 0 0 1-3 */
#define SPIFLASH_RDSR 0x05 /* 1 Read Status Register 0 0 >=1 */
#define SPIFLASH_WRSR 0x01 /* 1 Write Status Register 0 0 1 */
#define SPIFLASH_READ 0x03 /* 1 Read Data Bytes 3 0 >=1 */
#define SPIFLASH_FAST_READ 0x0b /* 1 Higher speed read 3 1 >=1 */
#define SPIFLASH_PP 0x02 /* 1 Page Program 3 0 1-256 */
#define SPIFLASH_SE 0xd8 /* 1 Sector Erase 3 0 0 */
#define SPIFLASH_BE 0xc7 /* 1 Bulk Erase 0 0 0 */
#define SPIFLASH_DP 0xb9 /* 2 Deep power down 0 0 0 */
#define SPIFLASH_RES 0xab /* 2 Read Electronic Signature 0 3 >=1 */
#define SPIFLASH_SSE 0x20 /* 3 Sub-Sector Erase 0 0 0 */
#define SPI_FLASH_WREN 0x06 /* 1 Write Enable 0 0 0 */
#define SPI_FLASH_WRDI 0x04 /* 1 Write Disable 0 0 0 */
#define SPI_FLASH_RDID 0x9f /* 1 Read Identification 0 0 1-3 */
#define SPI_FLASH_RDSR 0x05 /* 1 Read Status Register 0 0 >=1 */
#define SPI_FLASH_WRSR 0x01 /* 1 Write Status Register 0 0 1 */
#define SPI_FLASH_READ 0x03 /* 1 Read Data Bytes 3 0 >=1 */
#define SPI_FLASH_FAST_READ 0x0b /* 1 Higher speed read 3 1 >=1 */
#define SPI_FLASH_PP 0x02 /* 1 Page Program 3 0 1-256 */
#define SPI_FLASH_SE 0xd8 /* 1 Sector Erase 3 0 0 */
#define SPI_FLASH_BE 0xc7 /* 1 Bulk Erase 0 0 0 */
#define SPI_FLASH_DP 0xb9 /* 2 Deep power down 0 0 0 */
#define SPI_FLASH_RES 0xab /* 2 Read Electronic Signature 0 3 >=1 */
#define SPI_FLASH_SSE 0x20 /* 3 Sub-Sector Erase 0 0 0 */
#define SPIFLASH_DUMMY 0xa5
#define SPI_FLASH_DUMMY 0xa5
/************************************************************************************
* Private Types
************************************************************************************/
struct sim_spiflashdev_s
struct spi_flash_dev_s
{
struct spi_dev_s spidev; /* Externally visible part of the SPI interface */
uint32_t selected; /* SPIn base address */
@ -169,7 +161,7 @@ struct sim_spiflashdev_s
uint8_t manuf;
uint8_t type;
unsigned long address;
unsigned char data[CONFIG_SPIFLASH_SIZE];
unsigned char data[CONFIG_SPI_FLASH_SIZE];
};
/************************************************************************************
@ -178,31 +170,32 @@ struct sim_spiflashdev_s
/* SPI methods */
static int spiflash_lock(FAR struct spi_dev_s *dev, bool lock);
static uint32_t spiflash_setfrequency(FAR struct spi_dev_s *dev,
uint32_t frequency);
static void spiflash_setmode(FAR struct spi_dev_s *dev, enum spi_mode_e mode);
static void spiflash_setbits(FAR struct spi_dev_s *dev, int nbits);
static uint32_t spiflash_send(FAR struct spi_dev_s *dev, uint32_t wd);
static void spiflash_exchange(FAR struct spi_dev_s *dev,
FAR const void *txbuffer, FAR void *rxbuffer,
size_t nwords);
static void spiflash_select(FAR struct spi_dev_s *dev, uint32_t devid,
bool selected);
static uint8_t spiflash_status(FAR struct spi_dev_s *dev, uint32_t devid);
static int spi_flash_lock(FAR struct spi_dev_s *dev, bool lock);
static uint32_t spi_flash_setfrequency(FAR struct spi_dev_s *dev,
uint32_t frequency);
static void spi_flash_setmode(FAR struct spi_dev_s *dev,
enum spi_mode_e mode);
static void spi_flash_setbits(FAR struct spi_dev_s *dev, int nbits);
static uint32_t spi_flash_send(FAR struct spi_dev_s *dev, uint32_t wd);
static void spi_flash_exchange(FAR struct spi_dev_s *dev,
FAR const void *txbuffer, FAR void *rxbuffer,
size_t nwords);
static void spi_flash_select(FAR struct spi_dev_s *dev, uint32_t devid,
bool selected);
static uint8_t spi_flash_status(FAR struct spi_dev_s *dev, uint32_t devid);
#ifdef CONFIG_SPI_CMDDATA
static int spiflash_cmddata(FAR struct spi_dev_s *dev, uint32_t devid,
bool cmd);
static int spi_flash_cmddata(FAR struct spi_dev_s *dev, uint32_t devid,
bool cmd);
#endif
#ifndef CONFIG_SPI_EXCHANGE
static void spiflash_sndblock(FAR struct spi_dev_s *dev,
FAR const void *txbuffer, size_t nwords);
static void spiflash_recvblock(FAR struct spi_dev_s *dev, FAR void *rxbuffer,
size_t nwords);
static void spi_flash_sndblock(FAR struct spi_dev_s *dev,
FAR const void *txbuffer, size_t nwords);
static void spi_flash_recvblock(FAR struct spi_dev_s *dev, FAR void *rxbuffer,
size_t nwords);
#endif
static void spiflash_writeword(FAR struct sim_spiflashdev_s *priv, uint16_t data);
static uint32_t spiflash_readword(FAR struct sim_spiflashdev_s *priv);
static void spi_flash_writeword(FAR struct spi_flash_dev_s *priv, uint16_t data);
static uint32_t spi_flash_readword(FAR struct spi_flash_dev_s *priv);
/************************************************************************************
* Private Data
@ -210,30 +203,30 @@ static uint32_t spiflash_readword(FAR struct sim_spiflashdev_s *priv);
static const struct spi_ops_s g_spiops =
{
.lock = spiflash_lock,
.select = spiflash_select,
.setfrequency = spiflash_setfrequency,
.setmode = spiflash_setmode,
.setbits = spiflash_setbits,
.lock = spi_flash_lock,
.select = spi_flash_select,
.setfrequency = spi_flash_setfrequency,
.setmode = spi_flash_setmode,
.setbits = spi_flash_setbits,
#ifdef CONFIG_SPI_HWFEATURES
.hwfeatures = 0, /* Not supported */
#endif
.status = spiflash_status,
.status = spi_flash_status,
#ifdef CONFIG_SPI_CMDDATA
.cmddata = spiflash_cmddata,
.cmddata = spi_flash_cmddata,
#endif
.send = spiflash_send,
.send = spi_flash_send,
#ifdef CONFIG_SPI_EXCHANGE
.exchange = spiflash_exchange,
.exchange = spi_flash_exchange,
#else
.sndblock = spiflash_sndblock,
.recvblock = spiflash_recvblock,
.sndblock = spi_flash_sndblock,
.recvblock = spi_flash_recvblock,
#endif
.registercallback = 0,
};
#ifdef CONFIG_SIM_SPIFLASH_M25P
struct sim_spiflashdev_s g_spidev_m25p =
#ifdef CONFIG_SPI_FLASH_M25P
struct spi_flash_dev_s g_spidev_m25p =
{
.spidev =
{
@ -242,12 +235,12 @@ struct sim_spiflashdev_s g_spidev_m25p =
.name = "m25p",
.manuf = 0x20,
.type = 0x20,
.capacity = CONFIG_SPIFLASH_CAPACITY
.capacity = CONFIG_SPI_FLASH_CAPACITY
};
#endif
#ifdef CONFIG_SIM_SPIFLASH_SST26
struct sim_spiflashdev_s g_spidev_sst26 =
#ifdef CONFIG_SPI_FLASH_SST26
struct spi_flash_dev_s g_spidev_sst26 =
{
.spidev =
{
@ -260,12 +253,12 @@ struct sim_spiflashdev_s g_spidev_sst26 =
#else
.type = 0x25,
#endif
.capacity = CONFIG_SPIFLASH_CAPACITY_SST26
.capacity = CONFIG_SPI_FLASH_CAPACITY_SST26
};
#endif
#ifdef CONFIG_SIM_SPIFLASH_W25
struct sim_spiflashdev_s g_spidev_w25 =
#ifdef CONFIG_SPI_FLASH_W25
struct spi_flash_dev_s g_spidev_w25 =
{
.spidev =
{
@ -274,36 +267,36 @@ struct sim_spiflashdev_s g_spidev_w25 =
.name = "w25",
.manuf = 0xef,
.type = 0x30,
.capacity = CONFIG_SPIFLASH_CAPACITY
.capacity = CONFIG_SPI_FLASH_CAPACITY
};
#endif
#ifdef CONFIG_SIM_SPIFLASH_CUSTOM
struct sim_spiflashdev_s g_spidev_custom =
#ifdef CONFIG_SPI_FLASH_CUSTOM
struct spi_flash_dev_s g_spidev_custom =
{
.spidev =
{
&g_spiops
},
.name = "custom",
.manuf = CONFIG_SIM_SPIFLASH_MANUFACTURER,
.type = CONFIG_SIM_SPIFLASH_MEMORY_TYPE,
.capacity = CONFIG_SIM_SPIFLASH_CAPACITY
.manuf = CONFIG_SPI_FLASH_MANUFACTURER,
.type = CONFIG_SPI_FLASH_MEMORY_TYPE,
.capacity = CONFIG_SPI_FLASH_CAPACITY
};
#endif
struct sim_spiflashdev_s *gp_spidev[] =
struct spi_flash_dev_s *gp_spidev[] =
{
#ifdef CONFIG_SIM_SPIFLASH_M25P
#ifdef CONFIG_SPI_FLASH_M25P
&g_spidev_m25p,
#endif
#ifdef CONFIG_SIM_SPIFLASH_SST26
#ifdef CONFIG_SPI_FLASH_SST26
&g_spidev_sst26,
#endif
#ifdef CONFIG_SIM_SPIFLASH_W25
#ifdef CONFIG_SPI_FLASH_W25
&g_spidev_w25,
#endif
#ifdef CONFIG_SIM_SPIFLASH_CUSTOM
#ifdef CONFIG_SPI_FLASH_CUSTOM
&g_spidev_custom,
#endif
@ -317,7 +310,7 @@ struct sim_spiflashdev_s *gp_spidev[] =
************************************************************************************/
/************************************************************************************
* Name: spiflash_lock
* Name: spi_flash_lock
*
* Description:
* On SPI buses where there are multiple devices, it will be necessary to
@ -337,13 +330,13 @@ struct sim_spiflashdev_s *gp_spidev[] =
*
************************************************************************************/
static int spiflash_lock(FAR struct spi_dev_s *dev, bool lock)
static int spi_flash_lock(FAR struct spi_dev_s *dev, bool lock)
{
return OK;
}
/************************************************************************************
* Name: spiflash_select
* Name: spi_flash_select
*
* Description:
* Process select logic for the FLASH.
@ -353,10 +346,10 @@ static int spiflash_lock(FAR struct spi_dev_s *dev, bool lock)
*
************************************************************************************/
static void spiflash_select(FAR struct spi_dev_s *dev, uint32_t devid,
bool selected)
static void spi_flash_select(FAR struct spi_dev_s *dev, uint32_t devid,
bool selected)
{
FAR struct sim_spiflashdev_s *priv = (FAR struct sim_spiflashdev_s *)dev;
FAR struct spi_flash_dev_s *priv = (FAR struct spi_flash_dev_s *)dev;
if (devid == SPIDEV_FLASH(0))
{
@ -366,18 +359,18 @@ static void spiflash_select(FAR struct spi_dev_s *dev, uint32_t devid,
if (!selected)
{
if (priv->last_cmd != SPIFLASH_WREN)
if (priv->last_cmd != SPI_FLASH_WREN)
{
priv->wren = 0;
}
priv->state = SPIFLASH_STATE_IDLE;
priv->state = SPI_FLASH_STATE_IDLE;
}
}
}
/************************************************************************************
* Name: spiflash_cmddata
* Name: spi_flash_cmddata
*
* Description:
* Perform SPI Command operations
@ -388,14 +381,14 @@ static void spiflash_select(FAR struct spi_dev_s *dev, uint32_t devid,
************************************************************************************/
#ifdef CONFIG_SPI_CMDDATA
static int spiflash_cmddata(FAR struct spi_dev_s *dev, uint32_t devid, bool cmd)
static int spi_flash_cmddata(FAR struct spi_dev_s *dev, uint32_t devid, bool cmd)
{
return 0;
}
#endif
/************************************************************************************
* Name: spiflash_setfrequency
* Name: spi_flash_setfrequency
*
* Description:
* Set the SPI frequency.
@ -409,13 +402,13 @@ static int spiflash_cmddata(FAR struct spi_dev_s *dev, uint32_t devid, bool cmd)
*
************************************************************************************/
static uint32_t spiflash_setfrequency(FAR struct spi_dev_s *dev, uint32_t frequency)
static uint32_t spi_flash_setfrequency(FAR struct spi_dev_s *dev, uint32_t frequency)
{
return frequency;
}
/************************************************************************************
* Name: spiflash_setmode
* Name: spi_flash_setmode
*
* Description:
* Set the SPI mode. see enum spi_mode_e for mode definitions
@ -429,12 +422,12 @@ static uint32_t spiflash_setfrequency(FAR struct spi_dev_s *dev, uint32_t freque
*
************************************************************************************/
static void spiflash_setmode(FAR struct spi_dev_s *dev, enum spi_mode_e mode)
static void spi_flash_setmode(FAR struct spi_dev_s *dev, enum spi_mode_e mode)
{
}
/************************************************************************************
* Name: spiflash_setbits
* Name: spi_flash_setbits
*
* Description:
* Set the number of bits per word.
@ -448,12 +441,12 @@ static void spiflash_setmode(FAR struct spi_dev_s *dev, enum spi_mode_e mode)
*
************************************************************************************/
static void spiflash_setbits(FAR struct spi_dev_s *dev, int nbits)
static void spi_flash_setbits(FAR struct spi_dev_s *dev, int nbits)
{
}
/************************************************************************************
* Name: spiflash_status
* Name: spi_flash_status
*
* Description:
* Set the SPI bus status
@ -463,13 +456,13 @@ static void spiflash_setbits(FAR struct spi_dev_s *dev, int nbits)
*
************************************************************************************/
static uint8_t spiflash_status(FAR struct spi_dev_s *dev, uint32_t devid)
static uint8_t spi_flash_status(FAR struct spi_dev_s *dev, uint32_t devid)
{
return 0;
}
/************************************************************************************
* Name: spiflash_send
* Name: spi_flash_send
*
* Description:
* Exchange one word on SPI
@ -484,15 +477,15 @@ static uint8_t spiflash_status(FAR struct spi_dev_s *dev, uint32_t devid)
*
************************************************************************************/
static uint32_t spiflash_send(FAR struct spi_dev_s *dev, uint32_t wd)
static uint32_t spi_flash_send(FAR struct spi_dev_s *dev, uint32_t wd)
{
FAR struct sim_spiflashdev_s *priv = (FAR struct sim_spiflashdev_s *)dev;
FAR struct spi_flash_dev_s *priv = (FAR struct spi_flash_dev_s *)dev;
uint32_t ret;
if (priv->selected)
{
spiflash_writeword(priv, wd);
ret = spiflash_readword(priv);
spi_flash_writeword(priv, wd);
ret = spi_flash_readword(priv);
}
else
{
@ -503,7 +496,7 @@ static uint32_t spiflash_send(FAR struct spi_dev_s *dev, uint32_t wd)
}
/************************************************************************************
* Name: spiflash_exchange (no DMA). aka spi_exchange_nodma
* Name: spi_flash_exchange (no DMA). aka spi_exchange_nodma
*
* Description:
* Exchange a block of data on SPI without using DMA
@ -523,10 +516,10 @@ static uint32_t spiflash_send(FAR struct spi_dev_s *dev, uint32_t wd)
*
************************************************************************************/
static void spiflash_exchange(FAR struct spi_dev_s *dev, FAR const void *txbuffer,
FAR void *rxbuffer, size_t nwords)
static void spi_flash_exchange(FAR struct spi_dev_s *dev, FAR const void *txbuffer,
FAR void *rxbuffer, size_t nwords)
{
spiinfo("txbuffer=%p rxbuffer=%p nwords=%d\n", txbuffer, rxbuffer, nwords);
spiinfo("txbuffer=%p rxbuffer=%p nwords=%zu\n", txbuffer, rxbuffer, nwords);
/* 8-bit mode */
@ -549,7 +542,7 @@ static void spiflash_exchange(FAR struct spi_dev_s *dev, FAR const void *txbuffe
/* Exchange one word */
word = (uint8_t)spiflash_send(dev, (uint16_t)word);
word = (uint8_t)spi_flash_send(dev, (uint16_t)word);
/* Is there a buffer to receive the return value? */
@ -581,11 +574,11 @@ static void spiflash_exchange(FAR struct spi_dev_s *dev, FAR const void *txbuffe
************************************************************************************/
#ifndef CONFIG_SPI_EXCHANGE
static void spiflash_sndblock(FAR struct spi_dev_s *dev, FAR const void *txbuffer,
size_t nwords)
static void spi_flash_sndblock(FAR struct spi_dev_s *dev, FAR const void *txbuffer,
size_t nwords)
{
spiinfo("txbuffer=%p nwords=%d\n", txbuffer, nwords);
return spiflash_exchange(dev, txbuffer, NULL, nwords);
return spi_flash_exchange(dev, txbuffer, NULL, nwords);
}
#endif
@ -610,16 +603,16 @@ static void spiflash_sndblock(FAR struct spi_dev_s *dev, FAR const void *txbuffe
************************************************************************************/
#ifndef CONFIG_SPI_EXCHANGE
static void spiflash_recvblock(FAR struct spi_dev_s *dev, FAR void *rxbuffer,
size_t nwords)
static void spi_flash_recvblock(FAR struct spi_dev_s *dev, FAR void *rxbuffer,
size_t nwords)
{
spiinfo("rxbuffer=%p nwords=%d\n", rxbuffer, nwords);
return spiflash_exchange(dev, NULL, rxbuffer, nwords);
return spi_flash_exchange(dev, NULL, rxbuffer, nwords);
}
#endif
/************************************************************************************
* Name: spiflash_sectorerase
* Name: spi_flash_sectorerase
*
* Description:
* Erase one sector
@ -632,25 +625,25 @@ static void spiflash_recvblock(FAR struct spi_dev_s *dev, FAR void *rxbuffer,
*
************************************************************************************/
static void spiflash_sectorerase(FAR struct sim_spiflashdev_s *priv)
static void spi_flash_sectorerase(FAR struct spi_flash_dev_s *priv)
{
uint32_t address;
uint32_t len;
uint32_t len = 0;
/* Ensure the WREN bit is set before any erase operation */
if (priv->wren)
{
address = priv->address;
if (priv->last_cmd == SPIFLASH_SE)
if (priv->last_cmd == SPI_FLASH_SE)
{
address &= CONFIG_SIM_SPIFLASH_SECTORSIZE_MASK;
len = CONFIG_SIM_SPIFLASH_SECTORSIZE;
address &= CONFIG_SPI_FLASH_SECTORSIZE_MASK;
len = CONFIG_SPI_FLASH_SECTORSIZE;
}
else if (priv->last_cmd == SPIFLASH_SSE)
else if (priv->last_cmd == SPI_FLASH_SSE)
{
address &= CONFIG_SIM_SPIFLASH_SUBSECTORSIZE_MASK;
len = CONFIG_SIM_SPIFLASH_SUBSECTORSIZE;
address &= CONFIG_SPI_FLASH_SUBSECTORSIZE_MASK;
len = CONFIG_SPI_FLASH_SUBSECTORSIZE;
}
/* Now perform the erase */
@ -660,7 +653,7 @@ static void spiflash_sectorerase(FAR struct sim_spiflashdev_s *priv)
}
/************************************************************************************
* Name: spiflash_writeword
* Name: spi_flash_writeword
*
* Description:
* Write a word (byte in our case) to the FLASH state machine.
@ -674,52 +667,52 @@ static void spiflash_sectorerase(FAR struct sim_spiflashdev_s *priv)
*
************************************************************************************/
static void spiflash_writeword(FAR struct sim_spiflashdev_s *priv, uint16_t data)
static void spi_flash_writeword(FAR struct spi_flash_dev_s *priv, uint16_t data)
{
switch (priv->state)
{
case SPIFLASH_STATE_IDLE:
case SPI_FLASH_STATE_IDLE:
priv->last_cmd = data;
priv->read_data = 0xff;
switch (data)
{
case SPIFLASH_RDID:
priv->state = SPIFLASH_STATE_RDID1;
case SPI_FLASH_RDID:
priv->state = SPI_FLASH_STATE_RDID1;
break;
case SPIFLASH_WREN:
case SPI_FLASH_WREN:
priv->wren = 1;
priv->state = SPIFLASH_STATE_WREN;
priv->state = SPI_FLASH_STATE_WREN;
break;
case SPIFLASH_RDSR:
priv->state = SPIFLASH_STATE_RDSR;
case SPI_FLASH_RDSR:
priv->state = SPI_FLASH_STATE_RDSR;
break;
/* Sector / Subsector erase */
case SPIFLASH_SE:
case SPIFLASH_SSE:
priv->state = SPIFLASH_STATE_SE1;
case SPI_FLASH_SE:
case SPI_FLASH_SSE:
priv->state = SPI_FLASH_STATE_SE1;
break;
/* Bulk Erase */
case SPIFLASH_BE:
priv->state = SPIFLASH_STATE_IDLE;
case SPI_FLASH_BE:
priv->state = SPI_FLASH_STATE_IDLE;
if (priv->wren)
{
memset(priv->data, 0xff, CONFIG_SPIFLASH_SIZE);
memset(priv->data, 0xff, CONFIG_SPI_FLASH_SIZE);
}
break;
case SPIFLASH_PP:
priv->state = SPIFLASH_STATE_PP1;
case SPI_FLASH_PP:
priv->state = SPI_FLASH_STATE_PP1;
break;
case SPIFLASH_READ:
case SPIFLASH_FAST_READ:
priv->state = SPIFLASH_STATE_READ1;
case SPI_FLASH_READ:
case SPI_FLASH_FAST_READ:
priv->state = SPI_FLASH_STATE_READ1;
break;
default:
@ -729,74 +722,74 @@ static void spiflash_writeword(FAR struct sim_spiflashdev_s *priv, uint16_t data
/* Read ID States */
case SPIFLASH_STATE_RDID1:
priv->read_data = priv->manuf; /* CONFIG_SIM_SPIFLASH_MANUFACTURER; */
priv->state = SPIFLASH_STATE_RDID2;
case SPI_FLASH_STATE_RDID1:
priv->read_data = priv->manuf; /* CONFIG_SPI_FLASH_MANUFACTURER; */
priv->state = SPI_FLASH_STATE_RDID2;
break;
case SPIFLASH_STATE_RDID2:
priv->read_data = priv->type; /* CONFIG_SIM_SPIFLASH_MEMORY_TYPE; */
priv->state = SPIFLASH_STATE_RDID3;
case SPI_FLASH_STATE_RDID2:
priv->read_data = priv->type; /* CONFIG_SPI_FLASH_MEMORY_TYPE; */
priv->state = SPI_FLASH_STATE_RDID3;
break;
case SPIFLASH_STATE_RDID3:
priv->read_data = priv->capacity; /* CONFIG_SPIFLASH_CAPACITY; */
priv->state = SPIFLASH_STATE_IDLE;
case SPI_FLASH_STATE_RDID3:
priv->read_data = priv->capacity; /* CONFIG_SPI_FLASH_CAPACITY; */
priv->state = SPI_FLASH_STATE_IDLE;
break;
/* WREN state - if we receive any bytes here, then we abort the WREN */
case SPIFLASH_STATE_WREN:
case SPI_FLASH_STATE_WREN:
priv->wren = 0;
break;
/* Read Status Register state */
case SPIFLASH_STATE_RDSR:
case SPI_FLASH_STATE_RDSR:
priv->read_data = 0;
priv->state = SPIFLASH_STATE_IDLE;
priv->state = SPI_FLASH_STATE_IDLE;
break;
/* Sector and Sub-Sector erase states - Read the address */
case SPIFLASH_STATE_SE1:
case SPI_FLASH_STATE_SE1:
priv->address = data << 16;
priv->state = SPIFLASH_STATE_SE2;
priv->state = SPI_FLASH_STATE_SE2;
break;
case SPIFLASH_STATE_SE2:
case SPI_FLASH_STATE_SE2:
priv->address |= data << 8;
priv->state = SPIFLASH_STATE_SE3;
priv->state = SPI_FLASH_STATE_SE3;
break;
case SPIFLASH_STATE_SE3:
case SPI_FLASH_STATE_SE3:
priv->address |= data;
/* Now perform the sector or sub-sector erase. Really this should
* be done during the deselect, but this is just a simulation .
*/
spiflash_sectorerase(priv);
spi_flash_sectorerase(priv);
break;
/* Page Program. We could reuse the SE states, but let's keep it clean. */
case SPIFLASH_STATE_PP1:
case SPI_FLASH_STATE_PP1:
priv->address = data << 16;
priv->state = SPIFLASH_STATE_PP2;
priv->state = SPI_FLASH_STATE_PP2;
break;
case SPIFLASH_STATE_PP2:
case SPI_FLASH_STATE_PP2:
priv->address |= data << 8;
priv->state = SPIFLASH_STATE_PP3;
priv->state = SPI_FLASH_STATE_PP3;
break;
case SPIFLASH_STATE_PP3:
case SPI_FLASH_STATE_PP3:
priv->address |= data;
priv->state = SPIFLASH_STATE_PP4;
priv->state = SPI_FLASH_STATE_PP4;
break;
case SPIFLASH_STATE_PP4:
case SPI_FLASH_STATE_PP4:
/* In this state we actually write data (if WREN enabled) */
@ -809,10 +802,10 @@ static void spiflash_writeword(FAR struct sim_spiflashdev_s *priv, uint16_t data
* the actual FLASH.
*/
if ((priv->address & CONFIG_SIM_SPIFLASH_PAGESIZE_MASK) ==
CONFIG_SIM_SPIFLASH_PAGESIZE_MASK)
if ((priv->address & CONFIG_SPI_FLASH_PAGESIZE_MASK) ==
CONFIG_SPI_FLASH_PAGESIZE_MASK)
{
priv->address &= !CONFIG_SIM_SPIFLASH_PAGESIZE_MASK;
priv->address &= !CONFIG_SPI_FLASH_PAGESIZE_MASK;
}
else
{
@ -822,53 +815,53 @@ static void spiflash_writeword(FAR struct sim_spiflashdev_s *priv, uint16_t data
/* Read data */
case SPIFLASH_STATE_READ1:
case SPI_FLASH_STATE_READ1:
priv->address = data << 16;
priv->state = SPIFLASH_STATE_READ2;
priv->state = SPI_FLASH_STATE_READ2;
break;
case SPIFLASH_STATE_READ2:
case SPI_FLASH_STATE_READ2:
priv->address |= data << 8;
priv->state = SPIFLASH_STATE_READ3;
priv->state = SPI_FLASH_STATE_READ3;
break;
case SPIFLASH_STATE_READ3:
case SPI_FLASH_STATE_READ3:
priv->address |= data;
if (priv->last_cmd == SPIFLASH_FAST_READ)
if (priv->last_cmd == SPI_FLASH_FAST_READ)
{
priv->state = SPIFLASH_STATE_FREAD_WAIT;
priv->state = SPI_FLASH_STATE_FREAD_WAIT;
}
else
{
priv->state = SPIFLASH_STATE_READ4;
priv->state = SPI_FLASH_STATE_READ4;
}
break;
case SPIFLASH_STATE_FREAD_WAIT:
case SPI_FLASH_STATE_FREAD_WAIT:
priv->read_data = 0xff;
priv->state = SPIFLASH_STATE_READ4;
priv->state = SPI_FLASH_STATE_READ4;
break;
case SPIFLASH_STATE_READ4:
case SPI_FLASH_STATE_READ4:
/* In this state perform data reads until de-selected. */
priv->read_data = priv->data[priv->address++];
if (priv->address == CONFIG_SPIFLASH_SIZE)
if (priv->address == CONFIG_SPI_FLASH_SIZE)
{
priv->address = 0;
}
break;
default:
priv->state = SPIFLASH_STATE_IDLE;
priv->state = SPI_FLASH_STATE_IDLE;
priv->read_data = 0xff;
break;
}
}
/************************************************************************************
* Name: spiflash_readword
* Name: spi_flash_readword
*
* Description:
* Read a word (byte in our case) from the simulated FLASH.
@ -881,7 +874,7 @@ static void spiflash_writeword(FAR struct sim_spiflashdev_s *priv, uint16_t data
*
************************************************************************************/
static uint32_t spiflash_readword(FAR struct sim_spiflashdev_s *priv)
static uint32_t spi_flash_readword(FAR struct spi_flash_dev_s *priv)
{
return priv->read_data;
}
@ -891,7 +884,7 @@ static uint32_t spiflash_readword(FAR struct sim_spiflashdev_s *priv)
************************************************************************************/
/************************************************************************************
* Name: up_spiflashinitialize
* Name: up_spi_flashinitialize
*
* Description:
* Initialize the selected SPI port
@ -904,15 +897,11 @@ static uint32_t spiflash_readword(FAR struct sim_spiflashdev_s *priv)
*
************************************************************************************/
FAR struct spi_dev_s *up_spiflashinitialize(FAR const char *name)
FAR struct spi_dev_s *spi_flash_initialize(FAR const char *name)
{
FAR struct sim_spiflashdev_s *priv = NULL;
FAR struct spi_flash_dev_s *priv = NULL;
int x;
irqstate_t flags = enter_critical_section();
/* Loop through all supported flash devices */
/* Default to custom FLASH if not specified */
if (name == NULL)
@ -920,6 +909,8 @@ FAR struct spi_dev_s *up_spiflashinitialize(FAR const char *name)
name = "custom";
}
/* Loop through all supported flash devices */
for (x = 0; gp_spidev[x] != NULL; x++)
{
/* Search for the specified flash by name */
@ -945,11 +936,10 @@ FAR struct spi_dev_s *up_spiflashinitialize(FAR const char *name)
priv->selected = 0;
priv->wren = 0;
priv->address = 0;
priv->state = SPIFLASH_STATE_IDLE;
priv->state = SPI_FLASH_STATE_IDLE;
priv->read_data = 0xff;
priv->last_cmd = 0xff;
memset(&priv->data[0], 0xff, sizeof(priv->data));
leave_critical_section(flags);
return (FAR struct spi_dev_s *)priv;
}

View file

@ -0,0 +1,70 @@
/****************************************************************************
* include/nuttx/spi/spi_flash.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __INCLUDE_NUTTX_SPI_SPI_FLASH_H
#define __INCLUDE_NUTTX_SPI_SPI_FLASH_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/spi/spi.h>
#ifdef CONFIG_SPI_FLASH
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: spi_flash_initialize
*
* Description:
* Create an instance of the SPI flash emulated driver.
*
* Input Parameters:
* name - the flash model to be emulated.
*
* Returned Value:
* On success a non-NULL, initialized SPI driver instance is returned.
*
****************************************************************************/
#ifdef CONFIG_SPI_FLASH
FAR struct spi_dev_s *spi_flash_initialize(FAR const char *name);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* CONFIG_SPI_FLASH */
#endif /* __INCLUDE_NUTTX_SPI_SPI_FLASH_H */