diff options
Diffstat (limited to 'os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.h')
| -rw-r--r-- | os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.h b/os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.h index 1e20b41e7..767eb11ff 100644 --- a/os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.h +++ b/os/hal/platforms/SPC5xx/EDMA_v1/spc5_edma.h @@ -44,8 +44,14 @@ #define EDMA_TCD_MODE_INT_END (1U << 1)
#define EDMA_TCD_MODE_INT_HALF (1U << 2)
#define EDMA_TCD_MODE_DREQ (1U << 3)
+#define EDMA_TCD_MODE_SG (1U << 4)
+#define EDMA_TCD_MODE_MELINK (1U << 5)
#define EDMA_TCD_MODE_ACTIVE (1U << 6)
#define EDMA_TCD_MODE_DONE (1U << 7)
+#define EDMA_TCD_MODE_MLINKCH_MASK (63U << 8)
+#define EDMA_TCD_MODE_MLINKCH(n) ((uint32_t)(n) << 8)
+#define EDMA_TCD_MODE_BWC_MASK (3U << 14)
+#define EDMA_TCD_MODE_BWC(n) ((uint32_t)(n) << 14)
/** @} */
/*===========================================================================*/
@@ -736,6 +742,24 @@ typedef struct { ((uint32_t)(doff) << 0)))
/**
+ * @brief Sets the word 5 fields into a TCD.
+ * @note Transfers are limited to 511 operations using this modality
+ * (citer parameter).
+ *
+ * @param[in] tcdp pointer to an @p edma_tcd_t structure
+ * @param[in] linkch channel linked on minor loop counter
+ * @param[in] citer the current outer counter value
+ * @param[in] doff the destination increment value
+ *
+ * @api
+ */
+#define edmaTCDSetWord5LinkedOnMinor(tcdp, linkch, citer, doff) \
+ ((tcdp)->word[5] = (((uint32_t)0x80000000) | \
+ ((uint32_t)(linkch) << 25) | \
+ ((uint32_t)(citer) << 16) | \
+ ((uint32_t)(doff) << 0)))
+
+/**
* @brief Sets the word 6 fields into a TCD.
*
* @param[in] tcdp pointer to an @p edma_tcd_t structure
@@ -760,6 +784,24 @@ typedef struct { ((uint32_t)(mode) << 0)))
/**
+ * @brief Sets the word 7 fields into a TCD.
+ * @note Transfers are limited to 511 operations using this modality
+ * (biter parameter).
+ *
+ * @param[in] tcdp pointer to an @p edma_tcd_t structure
+ * @param[in] linkch channel linked on minor loop counter
+ * @param[in] biter the base outer counter value
+ * @param[in] mode the mode value
+ *
+ * @api
+ */
+#define edmaTCDSetWord7LinkedOnMinor(tcdp, linkch, biter, mode) \
+ ((tcdp)->word[7] = (((uint32_t)0x80000000) | \
+ ((uint32_t)(linkch) << 25) | \
+ ((uint32_t)(biter) << 16) | \
+ ((uint32_t)(mode) << 0)))
+
+/**
* @brief Starts or restarts an EDMA channel.
*
* @param[in] channel the channel number
@@ -811,6 +853,41 @@ typedef struct { edmaTCDSetWord7(tcdp, iter, mode); \
}
+/**
+ * @brief EDMA channel setup with linked channel on minor loop counter.
+ * @note Transfers are limited to 511 operations using this modality
+ * (iter parameter).
+ *
+ * @param[in] channel eDMA channel number
+ * @param[in] linkch channel linked on minor loop counter
+ * @param[in] src source address
+ * @param[in] dst destination address
+ * @param[in] soff source address offset
+ * @param[in] doff destination address offset
+ * @param[in] ssize source transfer size
+ * @param[in] dsize destination transfer size
+ * @param[in] nbytes minor loop count
+ * @param[in] iter major loop count
+ * @param[in] dlast last destination address adjustment
+ * @param[in] slast last source address adjustment
+ * @param[in] mode LSW of TCD register 7
+ *
+ * @api
+ */
+#define edmaChannelSetupLinkedOnMinor(channel, linkch, src, dst, soff, \
+ doff, ssize, dsize, nbytes, iter, \
+ slast, dlast, mode) { \
+ edma_tcd_t *tcdp = edmaGetTCD(channel); \
+ edmaTCDSetWord0(tcdp, src); \
+ edmaTCDSetWord1(tcdp, ssize, dsize, soff); \
+ edmaTCDSetWord2(tcdp, nbytes); \
+ edmaTCDSetWord3(tcdp, slast); \
+ edmaTCDSetWord4(tcdp, dst); \
+ edmaTCDSetWord5LinkedOnMinor(tcdp, linkch, iter, doff); \
+ edmaTCDSetWord6(tcdp, dlast); \
+ edmaTCDSetWord7LinkedOnMinor(tcdp, linkch, iter, mode); \
+}
+
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
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