1 files changed, 102 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc55xx/include/edma.h b/c/src/lib/libcpu/powerpc/mpc55xx/include/edma.h
new file mode 100644
index 0000000000..5d4751955c
--- /dev/null
+++ b/c/src/lib/libcpu/powerpc/mpc55xx/include/edma.h
@@ -0,0 +1,102 @@
+/**
+ * @file
+ *
+ * @ingroup mpc55xx
+ *
+ * @brief Enhanced Direct Memory Access (eDMA).
+ */
+
+/*
+ * Copyright (c) 2008
+ * Embedded Brains GmbH
+ * Obere Lagerstr. 30
+ * D-82178 Puchheim
+ * Germany
+ * rtems@embedded-brains.de
+ *
+ * The license and distribution terms for this file may be found in the file
+ * LICENSE in this distribution or at http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef LIBCPU_POWERPC_MPC55XX_EDMA_H
+#define LIBCPU_POWERPC_MPC55XX_EDMA_H
+
+#include <stdbool.h>
+
+#include <rtems.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define MPC55XX_EDMA_TCD_DEFAULT { \
+	.SADDR = 0, \
+	.SMOD = 0, \
+	.SSIZE = 0x2, \
+	.SOFF = 4, \
+	.DADDR = 0, \
+	.DMOD = 0, \
+	.DSIZE = 0x2, \
+	.DOFF = 4, \
+	.NBYTES = 0, \
+	.SLAST = 0, \
+	.CITER = 1, \
+	.BITER = 1, \
+	.MAJORLINKCH = 0, \
+	.CITERE_LINK = 0, \
+	.BITERE_LINK = 0, \
+	.MAJORE_LINK = 0, \
+	.E_SG = 0, \
+	.DLAST_SGA = 0, \
+	.D_REQ = 0, \
+	.BWC = 0, \
+	.INT_HALF = 0, \
+	.INT_MAJ = 0, \
+	.DONE = 0, \
+	.ACTIVE = 0, \
+	.START = 0, \
+}
+
+#define MPC55XX_EDMA_TCD_ALT_DEFAULT { \
+	.SADDR = 0, \
+	.SMOD = 0, \
+	.SSIZE = 2, \
+	.DMOD = 0, \
+	.DSIZE = 2, \
+	.SOFF = 4, \
+	.NBYTES = 0, \
+	.SLAST = 0, \
+	.DADDR = 0, \
+	.CITERE_LINK = 0, \
+	.CITERLINKCH = 0, \
+	.CITER = 0, \
+	.DOFF = 4, \
+	.DLAST_SGA = 0, \
+	.BITERE_LINK = 0, \
+	.BITERLINKCH = 0, \
+	.BITER = 0, \
+	.BWC = 0, \
+	.MAJORLINKCH = 0, \
+	.DONE = 0, \
+	.ACTIVE = 0, \
+	.MAJORE_LINK = 0, \
+	.E_SG = 0, \
+	.D_REQ = 0, \
+	.INT_HALF = 0, \
+	.INT_MAJ = 0, \
+	.START = 0, \
+}
+
+rtems_status_code mpc55xx_edma_init();
+
+rtems_status_code mpc55xx_edma_obtain_channel( int channel, uint32_t *error_status, rtems_id transfer_update);
+
+rtems_status_code mpc55xx_edma_enable_hardware_requests( int channel, bool enable);
+
+rtems_status_code mpc55xx_edma_enable_error_interrupts( int channel, bool enable);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBCPU_POWERPC_MPC55XX_EDMA_H */