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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2010-09-12 14:35:25 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2010-09-12 14:35:25 +0000
commitbcce5d2a1a51cafc0dad764e0f84781eee930a5d (patch)
treee8f9c17f81dbae0c016e49ac3ffd658b07df3475 /nuttx/configs/ea3131/src/up_fillpage.c
parentb5ad58b9561b9ec0528425f31dc4e1a49e2e365b (diff)
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Early AT45DB debug fixes
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2943 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/ea3131/src/up_fillpage.c')
-rwxr-xr-xnuttx/configs/ea3131/src/up_fillpage.c73
1 files changed, 22 insertions, 51 deletions
diff --git a/nuttx/configs/ea3131/src/up_fillpage.c b/nuttx/configs/ea3131/src/up_fillpage.c
index 156f89ab8..2d3412bef 100755
--- a/nuttx/configs/ea3131/src/up_fillpage.c
+++ b/nuttx/configs/ea3131/src/up_fillpage.c
@@ -192,9 +192,7 @@ struct pg_source_s
{
/* If interrupts or DMA are used, then we will have to defer initialization */
-#if defined(CONFIG_LPC313x_SPI_INTERRUPTS) || defined(CONFIG_LPC313x_SPI_DMA)
bool initialized; /* TRUE: we are initialized */
-#endif
/* This is the M25P* device state structure */
@@ -247,7 +245,7 @@ static inline void lpc313x_initsrc(void)
char devname[16];
#endif
- pgvdbg("Initializing %s\n", CONFIG_PAGING_BINPATH);
+ pgllvdbg("Initializing %s\n", CONFIG_PAGING_BINPATH);
/* No, do we need to mount an SD device? */
@@ -281,6 +279,9 @@ static inline void lpc313x_initsrc(void)
g_pgsrc.fd = open(CONFIG_PAGING_BINPATH, O_RDONLY);
DEBUGASSERT(g_pgsrc.fd >= 0);
+
+ /* Then we are initialized */
+
g_pgsrc.initialized = true;
}
}
@@ -288,6 +289,7 @@ static inline void lpc313x_initsrc(void)
#elif defined(CONFIG_PAGING_M25PX) || defined(CONFIG_PAGING_AT45DB)
static inline void lpc313x_initsrc(void)
{
+ FAR struct spi_dev_s *spi;
#ifdef CONFIG_DEBUG
uint32_t capacity;
int ret;
@@ -295,15 +297,15 @@ static inline void lpc313x_initsrc(void)
/* Are we already initialized? */
-#if defined(CONFIG_LPC313x_SPI_INTERRUPTS) || defined(CONFIG_LPC313x_SPI_DMA)
- if (!g_pgsrc.initialized)
-#endif
- {
- pgvdbg("Initializing\n");
+ if (!g_pgsrc.initialized)
+ {
+ /* No... the initialize now */
+
+ pgllvdbg("Initializing\n");
/* First get an instance of the SPI device interface */
- FAR struct spi_dev_s *spi = up_spiinitialize(CONFIG_PAGING_SPIPORT);
+ spi = up_spiinitialize(CONFIG_PAGING_SPIPORT);
DEBUGASSERT(spi != NULL);
/* Then bind the SPI interface to the MTD driver */
@@ -330,9 +332,9 @@ static inline void lpc313x_initsrc(void)
DEBUGASSERT(capacity >= (CONFIG_PAGING_BINOFFSET + PG_TEXT_VSIZE));
#endif
-#if defined(CONFIG_LPC313x_SPI_INTERRUPTS) || defined(CONFIG_LPC313x_SPI_DMA)
+ /* We are now initialized */
+
g_pgsrc.initialized = true;
-#endif
}
}
@@ -411,7 +413,7 @@ int up_fillpage(FAR _TCB *tcb, FAR void *vpage)
off_t offset;
#endif
- pgdbg("TCB: %p vpage: %p far: %08x\n", tcb, vpage, tcb->xcp.far);
+ pglldbg("TCB: %p vpage: %p far: %08x\n", tcb, vpage, tcb->xcp.far);
DEBUGASSERT(tcb->xcp.far >= PG_PAGED_VBASE && tcb->xcp.far < PG_PAGED_VEND);
/* If BINPATH is defined, then it is the full path to a file on a mounted file
@@ -421,9 +423,7 @@ int up_fillpage(FAR _TCB *tcb, FAR void *vpage)
#if defined(CONFIG_PAGING_BINPATH)
- /* Perform initialization of the paging source device (if necessary and
- * appropriate)
- */
+ /* Perform initialization of the paging source device (if necessary) */
lpc313x_initsrc();
@@ -446,17 +446,9 @@ int up_fillpage(FAR _TCB *tcb, FAR void *vpage)
#elif defined(CONFIG_PAGING_M25PX) || defined(CONFIG_PAGING_AT45DB) /* !CONFIG_PAGING_BINPATH */
- /* If CONFIG_PAGING_M25PX or CONFIG_PAGING_AT45DB is defined, use the
- * SPI corresponding FLASH driver. If either are selected, then the
- * MTD interface to the device will be used to support paging.
- *
- * If the driver is configured to use interrupts or DMA, then it must be
- * initialized in this context.
- */
+ /* Perform initialization of the paging source device (if necessary) */
-#if defined(CONFIG_LPC313x_SPI_INTERRUPTS) || defined(CONFIG_LPC313x_SPI_DMA)
lpc313x_initsrc();
-#endif
/* Create an offset into the binary image that corresponds to the
* virtual address. File offset 0 corresponds to PG_LOCKED_VBASE.
@@ -484,7 +476,7 @@ int up_fillpage(FAR _TCB *tcb, FAR void *vpage)
int up_fillpage(FAR _TCB *tcb, FAR void *vpage, up_pgcallback_t pg_callback)
{
- pgdbg("TCB: %p vpage: %d far: %08x\n", tcb, vpage, tcb->xcp.far);
+ pglldbg("TCB: %p vpage: %d far: %08x\n", tcb, vpage, tcb->xcp.far);
DEBUGASSERT(tcb->xcp.far >= PG_PAGED_VBASE && tcb->xcp.far < PG_PAGED_VEND);
#if defined(CONFIG_PAGING_BINPATH)
@@ -521,34 +513,13 @@ void weak_function lpc313x_pginitialize(void)
* text addresses might map to offsets into that file.
* - Do whatever else is necessary to make up_fillpage() ready for the first time
* that it is called.
- */
-
-#if defined(CONFIG_PAGING_BINPATH)
-
- /* If BINPATH is defined, then it is the full path to a file on a mounted file
- * system. However, in this case, initialization will involve some higher level
- * file system operations. Since this function is called from a low level (before
- * os_start() is even called), it may not be possible to perform file system
- * operations yet. Therefore, initialization will be deferred until the first
- * time that up_fillpage() is called.
- */
-
-#elif defined(CONFIG_PAGING_M25PX) || defined(CONFIG_PAGING_AT45DB)
-
- /* If CONFIG_PAGING_M25PX or CONFIG_PAGING_AT45DB is defined, use the corresponding
- * FLASH driver. If either is selected, then the MTD interface to the device
- * will be used to support paging.
*
- * If the driver is not configured to use interrupts or DMA, then it is
- * probably safe to initialize it in this context.
+ * In reality, however, this function is not very useful: This function is called
+ * from a low level (before os_start() is even called), it may not be possible to
+ * perform file system operations or even to get debug output yet. Therefore,
+ * to keep life simple, initialization will be deferred in all cases until the first
+ * time that up_fillpage() is called.
*/
-
-#if !defined(CONFIG_LPC313x_SPI_INTERRUPTS) && !defined(CONFIG_LPC313x_SPI_DMA)
-
- lpc313x_initsrc();
-
-#endif
-#endif
}
#endif /* CONFIG_PAGING */