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Several bugfixes, mostly from Darcy Gong

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5217 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-10-06 14:50:37 +00:00
parent f62e824113
commit 318f3427f3
2 changed files with 116 additions and 103 deletions
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1
arch/arm/src/stm32/stm32_eth.c
View File

@ -1656,6 +1656,7 @@ static void stm32_receive(FAR struct stm32_ethmac_s *priv)
stm32_freebuffer(priv, dev->d_buf);
dev->d_buf = NULL;
dev->d_len = 0;
}
}
}

218
drivers/mtd/ramtron.c
View File

@ -98,7 +98,7 @@
#define RAMTRON_WRITE 0x02 /* 1 Write A 0 1-256 */
#define RAMTRON_SLEEP 0xb9 // TODO:
#define RAMTRON_RDID 0x9f /* 1 Read Identification 0 0 1-3 */
#define RAMTRON_SN 0xc3 // TODO:
#define RAMTRON_SN 0xc3 // TODO:
/* Status register bit definitions */
@ -125,12 +125,12 @@
struct ramtron_parts_s
{
const char *name;
uint8_t id1;
uint8_t id2;
uint32_t size;
uint8_t addr_len;
uint32_t speed;
const char *name;
uint8_t id1;
uint8_t id2;
uint32_t size;
uint8_t addr_len;
uint32_t speed;
};
/* This type represents the state of the MTD device. The struct mtd_dev_s
@ -146,84 +146,86 @@ struct ramtron_dev_s
uint8_t pageshift;
uint16_t nsectors;
uint32_t npages;
const struct ramtron_parts_s *part; /* part instance */
const struct ramtron_parts_s *part; /* part instance */
};
/************************************************************************************
* Supported Part Lists
************************************************************************************/
// Defines the initial speed compatible with all devices. In case of RAMTRON
// the defined devices within the part list have all the same speed.
#define RAMTRON_INIT_CLK_MAX 40000000UL
/* Defines the initial speed compatible with all devices. In case of RAMTRON
* the defined devices within the part list have all the same speed.
*/
#define RAMTRON_INIT_CLK_MAX 40000000UL
static struct ramtron_parts_s ramtron_parts[] =
{
{
"FM25V02", /* name */
0x22, /* id1 */
0x00, /* id2 */
32L*1024L, /* size */
2, /* addr_len */
40000000 /* speed */
},
{
"FM25VN02", /* name */
0x22, /* id1 */
0x01, /* id2 */
32L*1024L, /* size */
2, /* addr_len */
40000000 /* speed */
},
{
"FM25V05", /* name */
0x23, /* id1 */
0x00, /* id2 */
64L*1024L, /* size */
2, /* addr_len */
40000000 /* speed */
},
{
"FM25VN05", /* name */
0x23, /* id1 */
0x01, /* id2 */
64L*1024L, /* size */
2, /* addr_len */
40000000 /* speed */
},
{
"FM25V10", /* name */
0x24, /* id1 */
0x00, /* id2 */
128L*1024L, /* size */
3, /* addr_len */
40000000 /* speed */
},
{
"FM25VN10", /* name */
0x24, /* id1 */
0x01, /* id2 */
128L*1024L, /* size */
3, /* addr_len */
40000000 /* speed */
},
{
"FM25V02", /* name */
0x22, /* id1 */
0x00, /* id2 */
32L*1024L, /* size */
2, /* addr_len */
40000000 /* speed */
},
{
"FM25VN02", /* name */
0x22, /* id1 */
0x01, /* id2 */
32L*1024L, /* size */
2, /* addr_len */
40000000 /* speed */
},
{
"FM25V05", /* name */
0x23, /* id1 */
0x00, /* id2 */
64L*1024L, /* size */
2, /* addr_len */
40000000 /* speed */
},
{
"FM25VN05", /* name */
0x23, /* id1 */
0x01, /* id2 */
64L*1024L, /* size */
2, /* addr_len */
40000000 /* speed */
},
{
"FM25V10", /* name */
0x24, /* id1 */
0x00, /* id2 */
128L*1024L, /* size */
3, /* addr_len */
40000000 /* speed */
},
{
"FM25VN10", /* name */
0x24, /* id1 */
0x01, /* id2 */
128L*1024L, /* size */
3, /* addr_len */
40000000 /* speed */
},
#ifdef CONFIG_RAMTRON_FRAM_NON_JEDEC
{
"FM25H20", /* name */
0xff, /* id1 */
0xff, /* id2 */
256L*1024L, /* size */
3, /* addr_len */
40000000 /* speed */
},
{
NULL, /* name */
0, /* id1 */
0, /* id2 */
0, /* size */
0, /* addr_len */
0 /* speed */
}
{
"FM25H20", /* name */
0xff, /* id1 */
0xff, /* id2 */
256L*1024L, /* size */
3, /* addr_len */
40000000 /* speed */
},
{
NULL, /* name */
0, /* id1 */
0, /* id2 */
0, /* size */
0, /* addr_len */
0 /* speed */
}
#endif
};
@ -240,17 +242,17 @@ static inline int ramtron_readid(struct ramtron_dev_s *priv);
static void ramtron_waitwritecomplete(struct ramtron_dev_s *priv);
static void ramtron_writeenable(struct ramtron_dev_s *priv);
static inline void ramtron_pagewrite(struct ramtron_dev_s *priv, FAR const uint8_t *buffer,
off_t offset);
off_t offset);
/* MTD driver methods */
static int ramtron_erase(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks);
static ssize_t ramtron_bread(FAR struct mtd_dev_s *dev, off_t startblock,
size_t nblocks, FAR uint8_t *buf);
size_t nblocks, FAR uint8_t *buf);
static ssize_t ramtron_bwrite(FAR struct mtd_dev_s *dev, off_t startblock,
size_t nblocks, FAR const uint8_t *buf);
size_t nblocks, FAR const uint8_t *buf);
static ssize_t ramtron_read(FAR struct mtd_dev_s *dev, off_t offset, size_t nbytes,
FAR uint8_t *buffer);
FAR uint8_t *buffer);
static int ramtron_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg);
/************************************************************************************
@ -317,31 +319,37 @@ static inline int ramtron_readid(struct ramtron_dev_s *priv)
/* Send the "Read ID (RDID)" command and read the first three ID bytes */
(void)SPI_SEND(priv->dev, RAMTRON_RDID);
for (i=0; i<6; i++) manufacturer = SPI_SEND(priv->dev, RAMTRON_DUMMY);
memory = SPI_SEND(priv->dev, RAMTRON_DUMMY);
capacity = SPI_SEND(priv->dev, RAMTRON_DUMMY); // fram.id1
part = SPI_SEND(priv->dev, RAMTRON_DUMMY); // fram.id2
for (i = 0; i < 6; i++)
{
manufacturer = SPI_SEND(priv->dev, RAMTRON_DUMMY);
}
memory = SPI_SEND(priv->dev, RAMTRON_DUMMY);
capacity = SPI_SEND(priv->dev, RAMTRON_DUMMY); // fram.id1
part = SPI_SEND(priv->dev, RAMTRON_DUMMY); // fram.id2
/* Deselect the FLASH and unlock the bus */
SPI_SELECT(priv->dev, SPIDEV_FLASH, false);
ramtron_unlock(priv->dev);
// Select part from the part list
/* Select part from the part list */
for (priv->part = ramtron_parts;
priv->part->name != NULL && !(priv->part->id1 == capacity && priv->part->id2 == part);
priv->part++);
if (priv->part->name) {
fvdbg("RAMTRON %s of size %d bytes (mf:%02x mem:%02x cap:%02x part:%02x)\n",
priv->part->name, priv->part->size, manufacturer, memory, capacity, part);
priv->part->name != NULL && !(priv->part->id1 == capacity && priv->part->id2 == part);
priv->part++);
if (priv->part->name)
{
fvdbg("RAMTRON %s of size %d bytes (mf:%02x mem:%02x cap:%02x part:%02x)\n",
priv->part->name, priv->part->size, manufacturer, memory, capacity, part);
priv->sectorshift = RAMTRON_EMULATE_SECTOR_SHIFT;
priv->nsectors = priv->part->size / (1 << RAMTRON_EMULATE_SECTOR_SHIFT);
priv->pageshift = RAMTRON_EMULATE_PAGE_SHIFT;
priv->npages = priv->part->size / (1 << RAMTRON_EMULATE_PAGE_SHIFT);
return OK;
}
priv->sectorshift = RAMTRON_EMULATE_SECTOR_SHIFT;
priv->nsectors = priv->part->size / (1 << RAMTRON_EMULATE_SECTOR_SHIFT);
priv->pageshift = RAMTRON_EMULATE_PAGE_SHIFT;
priv->npages = priv->part->size / (1 << RAMTRON_EMULATE_PAGE_SHIFT);
return OK;
}
fvdbg("RAMTRON device not found\n");
return -ENODEV;
@ -408,8 +416,10 @@ static inline void ramtron_sendaddr(const struct ramtron_dev_s *priv, uint32_t a
DEBUGASSERT(priv->part->addr_len == 3 || priv->part->addr_len == 2);
if (priv->part->addr_len == 3)
(void)SPI_SEND(priv->dev, (addr >> 16) & 0xff);
{
(void)SPI_SEND(priv->dev, (addr >> 16) & 0xff);
}
(void)SPI_SEND(priv->dev, (addr >> 8) & 0xff);
(void)SPI_SEND(priv->dev, addr & 0xff);
}
@ -419,7 +429,7 @@ static inline void ramtron_sendaddr(const struct ramtron_dev_s *priv, uint32_t a
************************************************************************************/
static inline void ramtron_pagewrite(struct ramtron_dev_s *priv, FAR const uint8_t *buffer,
off_t page)
off_t page)
{
off_t offset = page << priv->pageshift;
@ -475,7 +485,7 @@ static int ramtron_erase(FAR struct mtd_dev_s *dev, off_t startblock, size_t nbl
************************************************************************************/
static ssize_t ramtron_bread(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks,
FAR uint8_t *buffer)
FAR uint8_t *buffer)
{
FAR struct ramtron_dev_s *priv = (FAR struct ramtron_dev_s *)dev;
ssize_t nbytes;
@ -489,6 +499,7 @@ static ssize_t ramtron_bread(FAR struct mtd_dev_s *dev, off_t startblock, size_t
{
return nbytes >> priv->pageshift;
}
return (int)nbytes;
}
@ -497,7 +508,7 @@ static ssize_t ramtron_bread(FAR struct mtd_dev_s *dev, off_t startblock, size_t
************************************************************************************/
static ssize_t ramtron_bwrite(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks,
FAR const uint8_t *buffer)
FAR const uint8_t *buffer)
{
FAR struct ramtron_dev_s *priv = (FAR struct ramtron_dev_s *)dev;
size_t blocksleft = nblocks;
@ -512,8 +523,8 @@ static ssize_t ramtron_bwrite(FAR struct mtd_dev_s *dev, off_t startblock, size_
ramtron_pagewrite(priv, buffer, startblock);
startblock++;
}
ramtron_unlock(priv->dev);
ramtron_unlock(priv->dev);
return nblocks;
}
@ -522,7 +533,7 @@ static ssize_t ramtron_bwrite(FAR struct mtd_dev_s *dev, off_t startblock, size_
************************************************************************************/
static ssize_t ramtron_read(FAR struct mtd_dev_s *dev, off_t offset, size_t nbytes,
FAR uint8_t *buffer)
FAR uint8_t *buffer)
{
FAR struct ramtron_dev_s *priv = (FAR struct ramtron_dev_s *)dev;
@ -662,6 +673,7 @@ FAR struct mtd_dev_s *ramtron_initialize(FAR struct spi_dev_s *dev)
if (ramtron_readid(priv) != OK)
{
/* Unrecognized! Discard all of that work we just did and return NULL */
kfree(priv);
priv = NULL;
}