More RAMTRON related fixes from David Sidrane
This commit is contained in:
Gregory Nutt
parent
996d6c9d55
commit
6daa9468f6
@ -41,11 +41,11 @@
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* must be enabled with the CONFIG_RAMTRON_FRAM_NON_JEDEC=y
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*
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* NOTE:
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* - frequency is fixed to desired max by RAMTRON_INIT_CLK_MAX
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* if new devices with different speed arrive, then SETFREQUENCY()
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* needs to handle freq changes and INIT_CLK_MAX must be reduced
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* to fit all devices. Note that STM32_SPI driver is prone to
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* too high freq. parameters and limit it within physical constraints.
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* - frequency is fixed to desired max by RAMTRON_INIT_CLK_MAX if new devices with
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* different speed arrive, use the table to handle freq change and to fit all
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* devices. Note that STM32_SPI driver is prone to too high freq. parameters and
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* limit it within physical constraints. The speed may be changed through ioctl
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* MTDIOC_SETSPEED
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*
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* TODO:
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* - add support for sleep
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@ -176,7 +176,7 @@ static const struct ramtron_parts_s g_ramtron_parts[] =
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0x00, /* id2 */
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16L*1024L, /* size */
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2, /* addr_len */
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40000000 /* speed */
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RAMTRON_INIT_CLK_MAX /* speed */
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},
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{
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"FM25V02", /* name */
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@ -184,7 +184,7 @@ static const struct ramtron_parts_s g_ramtron_parts[] =
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0x00, /* id2 */
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32L*1024L, /* size */
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2, /* addr_len */
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40000000 /* speed */
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RAMTRON_INIT_CLK_MAX /* speed */
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},
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{
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"FM25VN02", /* name */
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@ -192,7 +192,7 @@ static const struct ramtron_parts_s g_ramtron_parts[] =
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0x01, /* id2 */
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32L*1024L, /* size */
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2, /* addr_len */
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40000000 /* speed */
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RAMTRON_INIT_CLK_MAX /* speed */
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},
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{
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"FM25V05", /* name */
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@ -200,7 +200,7 @@ static const struct ramtron_parts_s g_ramtron_parts[] =
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0x00, /* id2 */
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64L*1024L, /* size */
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2, /* addr_len */
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40000000 /* speed */
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RAMTRON_INIT_CLK_MAX /* speed */
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},
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{
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"FM25VN05", /* name */
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@ -208,7 +208,7 @@ static const struct ramtron_parts_s g_ramtron_parts[] =
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0x01, /* id2 */
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64L*1024L, /* size */
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2, /* addr_len */
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40000000 /* speed */
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RAMTRON_INIT_CLK_MAX /* speed */
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},
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{
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"FM25V10", /* name */
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@ -216,7 +216,7 @@ static const struct ramtron_parts_s g_ramtron_parts[] =
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0x00, /* id2 */
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128L*1024L, /* size */
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3, /* addr_len */
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40000000 /* speed */
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RAMTRON_INIT_CLK_MAX /* speed */
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},
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{
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"FM25VN10", /* name */
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@ -224,7 +224,7 @@ static const struct ramtron_parts_s g_ramtron_parts[] =
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0x01, /* id2 */
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128L*1024L, /* size */
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3, /* addr_len */
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40000000 /* speed */
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RAMTRON_INIT_CLK_MAX /* speed */
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},
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{
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"MB85RS1MT", /* name */
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@ -241,7 +241,7 @@ static const struct ramtron_parts_s g_ramtron_parts[] =
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0xff, /* id2 */
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256L*1024L, /* size */
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3, /* addr_len */
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40000000 /* speed */
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RAMTRON_INIT_CLK_MAX /* speed */
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},
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{
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NULL, /* name */
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@ -47,7 +47,7 @@
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****************************************************************************/
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/* General ioctl definitions ************************************************/
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/* Each NuttX ioctl commands are uint16_t's consisting of an 8-bit type
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* identifier and an 8-bit command number. All comman type identifiers are
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* identifier and an 8-bit command number. All command type identifiers are
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* defined below:
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*/
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@ -102,7 +102,7 @@
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#define _FIOC(nr) _IOC(_FIOCBASE,nr)
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#define FIOC_MMAP _FIOC(0x0001) /* IN: Location to return address (void **)
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* OUT: If media is directly acccesible,
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* OUT: If media is directly accessible,
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* return (void*) base address
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* of file
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*/
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@ -152,7 +152,7 @@
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#define BIOC_XIPBASE _BIOC(0x0001) /* Perform mapping to random access memory.
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* IN: Pointer to pointer to void in
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* which to received the XIP base.
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* OUT: If media is directly acccesible,
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* OUT: If media is directly accessible,
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* return (void*) base address
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* of device memory */
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#define BIOC_PROBE _BIOC(0x0002) /* Re-probe and interface; check for media
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@ -189,7 +189,7 @@
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* OUT: Number of bytes read or error */
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#define BIOC_WRITESECT _BIOC(0x0009) /* Write to data to a logical sector
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* IN: Pointer to sector write data (the
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* logical secor number and write
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* logical sector number and write
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* buffer address
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* OUT: None (ioctl return value provides
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* success/failure indication). */
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@ -219,7 +219,7 @@
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* with data for the MTD */
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#define MTDIOC_XIPBASE _MTDIOC(0x0002) /* IN: Pointer to pointer to void in
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* which to received the XIP base.
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* OUT: If media is directly acccesible,
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* OUT: If media is directly accessible,
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* return (void*) base address
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* of device memory */
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#define MTDIOC_BULKERASE _MTDIOC(0x0003) /* IN: None
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@ -369,6 +369,20 @@ FAR struct mtd_dev_s *m25p_initialize(FAR struct spi_dev_s *dev);
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FAR struct mtd_dev_s *rammtd_initialize(FAR uint8_t *start, size_t size);
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/****************************************************************************
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* Name: ramtron_initialize
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*
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* Description:
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* Create and initialize a Ramtron MTD device instance.
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*
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* Input Parameters:
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* start - Address of the beginning of the allocated RAM regions.
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* size - The size in bytes of the allocated RAM region.
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*
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****************************************************************************/
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FAR struct mtd_dev_s *ramtron_initialize(FAR struct spi_dev_s *dev);
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/****************************************************************************
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* Name: sst25_initialize
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*
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