Create an MTD driver for SPIFI
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4951 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
parent
a7a040f6ec
commit
56f50d59fc
@ -3017,5 +3017,9 @@
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RTC alarm EXTI interrupt. This is work be performed mostly by Diego Sanchez.
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* include/: More stylistic file clean-up.
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* arch/arm/src/lpc43xx/lpc43_spifi.c, lpc43_spifi.h, and chip/lpc43_spifi.h: Add
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logic to configure and intialize the SPIFI device (does not yet work).
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logic to configure and initialize the SPIFI device (does not yet work).
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* configs/lpc4330-xplorer/include/board.h: Reduce SPI SCLK value.
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* arch/arm/src/lpc43xx/lpc43_spifi.c, lpc43_spifi.h, and chip/lpc43_spifi.h:
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Logic completely redesigned. It now creates an MTD driver to access SPIFI...
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but the driver still does not work.
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@ -92,24 +92,24 @@
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* have the same relationship as in the Control register)
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*/
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#define SPIFI_MODE3 (1 << 0)
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#define SPIFI_MODE0 (0)
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#define SPIFI_MINIMAL (1 << 1)
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#define SPIFI_MAXIMAL (0)
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#define SPIFI_FORCE_ERASE (1 << 2)
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#define SPIFI_ERASE_NOT_REQD (1 << 3)
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#define SPIFI_CALLER_ERASE (1 << 3)
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#define SPIFI_ERASE_AS_REQD (0)
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#define SPIFI_VERIFY_PROG (1 << 4)
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#define SPIFI_VERIFY_ERASE (1 << 5)
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#define SPIFI_NO_VERIFY (0)
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#define SPIFI_FULLCLK (1 << 6)
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#define SPIFI_HALFCLK (0)
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#define SPIFI_RCVCLK (1 << 7)
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#define SPIFI_INTCLK (0)
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#define SPIFI_DUAL (1 << 8)
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#define SPIFI_CALLER_PROT (1 << 9)
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#define SPIFI_DRIVER_PROT (0)
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#define S_MODE3 (1 << 0)
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#define S_MODE0 (0)
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#define S_MINIMAL (1 << 1)
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#define S_MAXIMAL (0)
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#define S_FORCE_ERASE (1 << 2)
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#define S_ERASE_NOT_REQD (1 << 3)
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#define S_CALLER_ERASE (1 << 3)
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#define S_ERASE_AS_REQD (0)
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#define S_VERIFY_PROG (1 << 4)
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#define S_VERIFY_ERASE (1 << 5)
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#define S_NO_VERIFY (0)
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#define S_FULLCLK (1 << 6)
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#define S_HALFCLK (0)
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#define S_RCVCLK (1 << 7)
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#define S_INTCLK (0)
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#define S_DUAL (1 << 8)
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#define S_CALLER_PROT (1 << 9)
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#define S_DRIVER_PROT (0)
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/* The length of a standard program command is 256 on all devices */
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@ -178,9 +178,9 @@ struct spifi_dev_s
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struct spifi_operands_s
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{
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char *dest;
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uint8_t *dest;
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uint32_t length;
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char *scratch;
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uint8_t *scratch;
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int32_t protect;
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uint32_t options;
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};
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@ -191,7 +191,7 @@ struct spifi_driver_s
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{
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int32_t (*spifi_init)(struct spifi_dev_s *dev, uint32_t cshigh,
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uint32_t options, uint32_t mhz);
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int32_t (*spifi_program)(struct spifi_dev_s *dev, char *source,
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int32_t (*spifi_program)(struct spifi_dev_s *dev, const uint8_t *source,
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struct spifi_operands_s *opers);
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int32_t (*spifi_erase)(struct spifi_dev_s *dev,
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struct spifi_operands_s *opers);
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@ -206,16 +206,16 @@ struct spifi_driver_s
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int32_t (*checkAd)(struct spifi_dev_s *dev,
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struct spifi_operands_s *opers);
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int32_t (*setProt)(struct spifi_dev_s *dev,
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struct spifi_operands_s *opers, char *change, char *saveprot);
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int32_t (*check_block) (struct spifi_dev_s *dev, char *source,
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struct spifi_operands_s *opers, uint8_t *change, uint8_t *saveprot);
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int32_t (*check_block) (struct spifi_dev_s *dev, uint8_t *source,
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struct spifi_operands_s *opers, uint32_t check_program);
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int32_t (*send_erase_cmd)(struct spifi_dev_s *dev, uint8_t op,
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uint32_t addr);
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uint32_t (*ck_erase) (struct spifi_dev_s *dev, uint32_t *addr,
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uint32_t length);
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int32_t (*prog_block)(struct spifi_dev_s *dev, char *source,
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int32_t (*prog_block)(struct spifi_dev_s *dev, uint8_t *source,
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struct spifi_operands_s *opers, uint32_t *left_in_page);
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uint32_t (*ck_prog)(struct spifi_dev_s *dev, char *source, char *dest,
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uint32_t (*ck_prog)(struct spifi_dev_s *dev, uint8_t *source, uint8_t *dest,
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uint32_t length);
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/* Low level functions */
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File diff suppressed because it is too large
Load Diff
@ -41,6 +41,7 @@
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/mtd.h>
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#include "chip.h"
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#include "chip/lpc43_spifi.h"
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@ -50,6 +51,33 @@
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* SPIFI Configuration ******************************************************/
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/* This logic supports some special options that can be used to create an
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* MTD device on the SPIFI FLASH.
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*
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* CONFIG_LPC43_SPIFI - Enable SPIFI support
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*
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* SPIFI device geometry:
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*
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* CONFIG_SPIFI_OFFSET - Offset the beginning of the block driver this many
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* bytes into the device address space. This offset must be an exact
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* multiple of the erase block size (CONFIG_SPIFI_BLKSIZE). Default 0.
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* CONFIG_SPIFI_BLKSIZE - The size of one device erase block. If not defined
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* then the driver will try to determine the correct erase block size by
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* examining that data returned from spifi_initialize (which sometimes
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* seems bad).
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*
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* Other SPIFI options
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*
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* CONFIG_SPIFI_SECTOR512 - If defined, then the driver will report a more
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* FAT friendly 512 byte sector size and will manage the read-modify-write
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* operations on the larger erase block.
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* CONFIG_SPIFI_READONLY - Define to support only read-only operations.
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*/
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#ifndef CONFIG_SPIFI_OFFSET
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# define CONFIG_SPIFI_OFFSET 0
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#endif
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/****************************************************************************
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* Private Data
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@ -63,21 +91,26 @@
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Function: lpc43_spifi_initialize
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* Name: lpc43_spifi_initialize
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*
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* Description:
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* Initialize the SPIFI interface per settings in the board.h file
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* Create an initialized MTD device instance for the SPIFI device. MTD
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* devices are not registered in the file system, but are created as
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* instances that can be bound to other functions (such as a block or
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* character driver front end).
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*
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* SPIFI interface clocking is configured per settings in the board.h file.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* Zero is returned on success; on failure, a negated errno value is
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* returned.
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* Returned value:
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* One success, a reference to the initialized MTD device instance is
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* returned; NULL is returned on any failure.
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*
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****************************************************************************/
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int lpc43_spifi_initialize(void);
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FAR struct mtd_dev_s *lpc43_spifi_initialize(void);
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#endif /* CONFIG_LPC43_SPIFI */
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#endif /* __ARCH_ARM_SRC_LPC43XX_LPC43_SPIFI_H */
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@ -903,22 +903,20 @@ Where <subdir> is one of the following:
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This configuration has some special options that can be used to
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create a block device on the SPIFI FLASH. NOTE: CONFIG_LPC43_SPIFI=y
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must also be defined to enable SPIFI setup support:
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CONFIG_SPIFI_BLKDRVR - Enable to create a block driver on the SPFI
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device.
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CONFIG_SPIFI_DEVNO - SPIFI minor device number. The SPFI device will
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be at /dev/ramN, where N is the value of CONFIG_SPIFI_DEVNO.
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Default: 0.
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CONFIG_SPIFI_RDONLY - Create a read only device on SPIFI.
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CONFIG_SPIFI_OFFSET - Offset the beginning of the block driver this
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many bytes into the device address space. Default 0.
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CONFIG_SPIFI_BLKSIZE - The size of one block. SPIFI is not block
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oriented, so most any size of the block used in the SPIFI block
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device can be used. NOTE: FAT will support only sector sizes of
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512, 1024, 2048, or 4096. Default: 512
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CONFIG_SPIFI_NBLOCKS - The number of blocks in the file system,
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each of size CONFIG_SPIFI_BLKSIZE. The end of the file system
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will be at device offset:
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CONFIG_SPIFI_OFFSET + CONFIG_SPIFI_BLKSIZE*CONFIG_SPIFI_NBLOCKS
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The must assure that this does offset does not go beyond the end
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of the FLASH memory.
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SPIFI device geometry:
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CONFIG_SPIFI_OFFSET - Offset the beginning of the block driver this many
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bytes into the device address space. This offset must be an exact
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multiple of the erase block size (CONFIG_SPIFI_BLKSIZE). Default 0.
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CONFIG_SPIFI_BLKSIZE - The size of one device erase block. If not defined
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then the driver will try to determine the correct erase block size by
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examining that data returned from spifi_initialize (which sometimes
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seems bad).
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Other SPIFI options
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CONFIG_SPIFI_SECTOR512 - If defined, then the driver will report a more
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FAT friendly 512 byte sector size and will manage the read-modify-write
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operations on the larger erase block.
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CONFIG_SPIFI_READONLY - Define to support only read-only operations.
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@ -658,35 +658,31 @@ CONFIG_MMCSD_MMCSUPPORT=n
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CONFIG_MMCSD_HAVECARDDETECT=n
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#
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# This configuration has some special options that can be used to
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# create a block device on the SPIFI FLASH. NOTE: CONFIG_LPC43_SPIFI=y
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# The SPIFI drvier has some special options that can be used to
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# create an MTD device on the SPIFI FLASH. NOTE: CONFIG_LPC43_SPIFI=y
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# must also be defined to enable SPIFI setup support:
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#
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# CONFIG_SPIFI_BLKDRVR - Enable to create a block driver on the SPFI
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# device.
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# CONFIG_SPIFI_DEVNO - SPIFI minor device number. The SPFI device will
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# be at /dev/rdN, where N is the value of CONFIG_SPIFI_DEVNO.
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# Default: 0.
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# CONFIG_SPIFI_RDONLY - Create a read only device on SPIFI.
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# CONFIG_SPIFI_OFFSET - Offset the beginning of the block driver this
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# many bytes into the device address space. Default 0.
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# CONFIG_SPIFI_BLKSIZE - The size of one block. SPIFI is not block
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# oriented, so most any size of the block used in the SPIFI block
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# device can be used. NOTE: FAT will support only sector sizes of 512,
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# 1024, 2048, or 4096. Default: 512
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# CONFIG_SPIFI_NBLOCKS - The number of blocks in the file system,
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# each of size CONFIG_SPIFI_BLKSIZE. The end of the file system
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# will be at device offset:
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# CONFIG_SPIFI_OFFSET + CONFIG_SPIFI_BLKSIZE*CONFIG_SPIFI_NBLOCKS
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# The must assure that this does offset does not go beyond the end
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# of the FLASH memory.
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# SPIFI device geometry:
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#
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# CONFIG_SPIFI_OFFSET - Offset the beginning of the block driver this many
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# bytes into the device address space. This offset must be an exact
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# multiple of the erase block size (CONFIG_SPIFI_BLKSIZE). Default 0.
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# CONFIG_SPIFI_BLKSIZE - The size of one device erase block. If not defined
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# then the driver will try to determine the correct erase block size by
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# examining that data returned from spifi_initialize (which sometimes
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# seems bad).
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#
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# Other SPIFI options
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#
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# CONFIG_SPIFI_SECTOR512 - If defined, then the driver will report a more
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# FAT friendly 512 byte sector size and will manage the read-modify-write
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# operations on the larger erase block.
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# CONFIG_SPIFI_READONLY - Define to support only read-only operations.
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#
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CONFIG_SPIFI_BLKDRVR=n
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CONFIG_SPIFI_DEVNO=0
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CONFIG_SPIFI_RDONLY=n
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CONFIG_SPIFI_OFFSET=0
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CONFIG_SPIFI_BLKSIZE=512
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CONFIG_SPIFI_NBLOCKS=(1024*1024/512)
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CONFIG_SPIFI_BLKSIZE=4096
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CONFIG_SPIFI_SECTOR512=y
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CONFIG_SPIFI_RDONLY=n
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# TCP/IP and UDP support via uIP
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# CONFIG_NET - Enable or disable all network features
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@ -44,89 +44,25 @@
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#include <debug.h>
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#include <errno.h>
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#include <nuttx/ramdisk.h>
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#include "chip.h"
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#ifdef CONFIG_SPIFI_BLKDRVR
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#ifdef CONFIG_LPC43_SPIFI
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# include <nuttx/mtd.h>
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# include "lpc43_spifi.h"
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/* This should be removed someday when we are confident in SPIFI */
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# ifdef CONFIG_DEBUG_FS
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# include "up_arch.h"
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# include "chip/lpc43_cgu.h"
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# include "chip/lpc43_ccu.h"
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# ifdef CONFIG_SPFI_NXFFS
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# include <sys/mount.h>
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# include <nuttx/fs/nxffs.h>
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# endif
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#endif
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* SPIFI Configuration ******************************************************/
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/* This logic supports some special options that can be used to create a
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* block device on the SPIFI FLASH. NOTE: CONFIG_LPC43_SPIFI=y must also
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* be defined to enable SPIFI setup support:
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*
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* CONFIG_SPIFI_BLKDRVR - Enable to create a block driver on the SPFI device.
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* CONFIG_SPIFI_DEVNO - SPIFI minor device number. The SPFI device will be
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* at /dev/ramN, where N is the value of CONFIG_SPIFI_DEVNO. Default: 0.
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* CONFIG_SPIFI_RDONLY - Create a read only device on SPIFI.
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* CONFIG_SPIFI_OFFSET - Offset the beginning of the block driver this many
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* bytes into the device address space. Default 0.
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* CONFIG_SPIFI_BLKSIZE - The size of one block. SPIFI is not block oriented,
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* so most any size of the block used in the SPIFI block device can be
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* used. NOTE: FAT will support only sector sizes of 512, 1024, 2048, or
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* 4096. Default: 512
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* CONFIG_SPIFI_NBLOCKS - The number of blocks in the file system, each of
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* size CONFIG_SPIFI_BLKSIZE. The end of the file system will be at
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* device offset:
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* CONFIG_SPIFI_OFFSET + CONFIG_SPIFI_BLKSIZE*CONFIG_SPIFI_NBLOCKS
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* The must assure that this does offset does not go beyond the end of
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* the FLASH memory.
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*/
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/* Configuration ************************************************************/
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#ifdef CONFIG_SPIFI_BLKDRVR
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# ifndef CONFIG_LPC43_SPIFI
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# error "SPIFI support is not enabled (CONFIG_LPC43_SPIFI)"
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# endif
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# ifndef CONFIG_SPIFI_DEVNO
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# define CONFIG_SPIFI_DEVNO 0
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# endif
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# ifndef CONFIG_SPIFI_OFFSET
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# define CONFIG_SPIFI_OFFSET 0
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# endif
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# ifndef CONFIG_SPIFI_BLKSIZE
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# define CONFIG_SPIFI_BLKSIZE 512
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# endif
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# ifndef CONFIG_SPIFI_NBLOCKS
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# error "Need number of SPIFI blocks (CONFIG_SPIFI_NBLOCKS)"
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# endif
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# define SPIFI_BUFFER \
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(FAR uint8_t *)(LPC43_LOCSRAM_SPIFI_BASE + CONFIG_SPIFI_OFFSET)
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#endif
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/* Debug ********************************************************************/
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#ifdef CONFIG_CPP_HAVE_VARARGS
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# ifdef CONFIG_DEBUG
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# define message(...) lib_lowprintf(__VA_ARGS__)
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# else
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# define message(...) printf(__VA_ARGS__)
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# endif
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#else
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# ifdef CONFIG_DEBUG
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# define message lib_lowprintf
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# else
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# define message printf
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# endif
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#ifndef CONFIG_SPIFI_DEVNO
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# define CONFIG_SPIFI_DEVNO 0
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#endif
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/****************************************************************************
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@ -140,56 +76,53 @@
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* Make the SPIFI (or part of it) into a block driver that can hold a
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* file system.
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*
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* SPIFI AHB register clock:
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* Base clock = BASE_M4_CLK
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* Branch clock = CLK_M4_SPIFI
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* SPIFI serial clock input:
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* Base clock = BASE_SPIFI_CLK
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* Branch clock = SPIFI_CLK
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*
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****************************************************************************/
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#ifdef CONFIG_SPIFI_BLKDRVR
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#ifdef CONFIG_LPC43_SPIFI
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static int nsh_spifi_initialize(void)
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{
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FAR struct mtd_dev_s *mtd;
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int ret;
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/* Initialize the SPIFI interface */
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/* Initialize the SPIFI interface and create the MTD driver instance */
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ret = lpc43_spifi_initialize();
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mtd = lpc43_spifi_initialize();
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if (!mtd)
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{
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fdbg("ERROR: lpc43_spifi_initialize failed\n");
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return -ENODEV;
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}
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#ifndef CONFIG_SPFI_NXFFS
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/* And finally, use the FTL layer to wrap the MTD driver as a block driver */
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ret = ftl_initialize(CONFIG_SPIFI_DEVNO, mtd);
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if (ret < 0)
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{
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fdbg("ERROR: lpc43_spifi_initialize failed: %d\n", ret);
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fdbg("ERROR: Initializing the FTL layer: %d\n", ret);
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return ret;
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}
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#else
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/* Initialize to provide NXFFS on the MTD interface */1G
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ret = nxffs_initialize(mtd);
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if (ret < 0)
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{
|
||||
fdbg("ERROR: NXFFS initialization failed: %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* This should be removed someday when we are confident in SPIFI */
|
||||
/* Mount the file system at /mnt/spifi */
|
||||
|
||||
#ifdef CONFIG_DEBUG_FS
|
||||
fdbg("BASE_SPIFI_CLK=%08x\n",
|
||||
getreg32(LPC43_BASE_SPIFI_CLK));
|
||||
fdbg("SPFI CFG=%08x STAT=%08x\n",
|
||||
getreg32(LPC43_CCU1_SPIFI_CFG), getreg32(LPC43_CCU1_SPIFI_STAT));
|
||||
fdbg("M4 SPFI CFG=%08x STAT=%08x\n",
|
||||
getreg32(LPC43_CCU1_M4_SPIFI_CFG), getreg32(LPC43_CCU1_M4_SPIFI_STAT));
|
||||
ret = mount(NULL, "/mnt/spifi", "nxffs", 0, NULL);
|
||||
if (ret < 0)
|
||||
{
|
||||
fdbg("ERROR: Failed to mount the NXFFS volume: %d\n", errno);
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_SPIFI_RDONLY
|
||||
/* Register a read-only SPIFI RAM disk at /dev/ramN, where N is the
|
||||
* value of CONFIG_SPIFI_DEVNO.
|
||||
*/
|
||||
|
||||
return romdisk_register(CONFIG_SPIFI_DEVNO, SPIFI_BUFFER,
|
||||
CONFIG_SPIFI_NBLOCKS, CONFIG_SPIFI_BLKSIZE);
|
||||
#else
|
||||
/* Register a write-able SPIFI RAM disk at /dev/ramN, where N is the
|
||||
* value of CONFIG_SPIFI_DEVNO.
|
||||
*/
|
||||
|
||||
return ramdisk_register(CONFIG_SPIFI_DEVNO, SPIFI_BUFFER,
|
||||
CONFIG_SPIFI_NBLOCKS, CONFIG_SPIFI_BLKSIZE,
|
||||
true);
|
||||
#endif
|
||||
return OK;
|
||||
}
|
||||
#else
|
||||
# define nsh_spifi_initialize() (OK)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user