litex: Add DMA.

1 files changed, 24 insertions, 0 deletions

diff --git a/dma/litex_dma.h b/dma/litex_dma.h
new file mode 100644
index 0000000..142c12c
--- /dev/null
+++ b/dma/litex_dma.h
@@ -0,0 +1,24 @@
+#pragma once
+
+#include <stdint.h>
+#include <mmio/mmio.h>
+
+struct LiteX_Wishbone_DMA_reg_t {
+	volatile uint32_t BASEH;
+	volatile uint32_t BASEL;
+	volatile uint32_t LENGTH;
+	volatile uint32_t ENABLE;
+	volatile uint32_t DONE;
+	volatile uint32_t LOOP;
+	volatile uint32_t OFFSET;
+};
+
+class LiteX_Wishbone_DMA_Reader_t : public mmio_ptr<LiteX_Wishbone_DMA_reg_t> {
+	public:
+		using mmio_ptr<LiteX_Wishbone_DMA_reg_t>::ptr;
+};
+
+class LiteX_Wishbone_DMA_Writer_t : public mmio_ptr<LiteX_Wishbone_DMA_reg_t> {
+	public:
+		using mmio_ptr<LiteX_Wishbone_DMA_reg_t>::ptr;
+};