From 2ea07afced858b3e5e8e718437b2c1987c8650e2 Mon Sep 17 00:00:00 2001
From: Michael Rogenmoser <michael@rogenmoser.us>
Date: Fri, 10 Dec 2021 16:43:56 +0100
Subject: [PATCH] Add initial iDMA drivers

---
 include/archi/chips/pulp/memory_map.h | 4 ++++
 include/archi/chips/pulp/properties.h | 4 ++++
 include/archi/chips/pulp/pulp.h       | 3 +++
 include/hal/chips/pulp/pulp.h         | 3 +++
 4 files changed, 14 insertions(+)

diff --git a/include/archi/chips/pulp/memory_map.h b/include/archi/chips/pulp/memory_map.h
index 8c12def..999f5f9 100644
--- a/include/archi/chips/pulp/memory_map.h
+++ b/include/archi/chips/pulp/memory_map.h
@@ -98,6 +98,7 @@
 #define ARCHI_HWCE_OFFSET                0x00001000
 #define ARCHI_ICACHE_CTRL_OFFSET         0x00001400
 #define ARCHI_MCHAN_EXT_OFFSET           0x00001800
+#define ARCHI_IDMA_EXT_OFFSET            0x00001800
 
 #define ARCHI_CLUSTER_PERIPHERALS_ADDR             ( ARCHI_CLUSTER_ADDR + ARCHI_CLUSTER_PERIPHERALS_OFFSET )
 #define ARCHI_CLUSTER_PERIPHERALS_GLOBAL_ADDR(cid) ( ARCHI_CLUSTER_GLOBAL_ADDR(cid) + ARCHI_CLUSTER_PERIPHERALS_OFFSET )
@@ -107,6 +108,7 @@
 #define ARCHI_EU_ADDR                              ( ARCHI_CLUSTER_PERIPHERALS_ADDR + ARCHI_EU_OFFSET )
 #define ARCHI_HWCE_ADDR                            ( ARCHI_CLUSTER_PERIPHERALS_ADDR + ARCHI_HWCE_OFFSET )
 #define ARCHI_MCHAN_EXT_ADDR                       ( ARCHI_CLUSTER_PERIPHERALS_ADDR + ARCHI_MCHAN_EXT_OFFSET )
+#define ARCHI_IDMA_EXT_ADDR                        ( ARCHI_CLUSTER_PERIPHERALS_ADDR + ARCHI_IDMA_EXT_OFFSET )
 
 
 
@@ -118,11 +120,13 @@
 
 #define ARCHI_EU_DEMUX_OFFSET                 ( 0x00000 )
 #define ARCHI_MCHAN_DEMUX_OFFSET              ( 0x00400 )
+#define ARCHI_IDMA_DEMUX_OFFSET               ( 0x00400 )
 
 
 #define ARCHI_DEMUX_PERIPHERALS_ADDR          ( ARCHI_CLUSTER_ADDR + ARCHI_DEMUX_PERIPHERALS_OFFSET )
 
 #define ARCHI_EU_DEMUX_ADDR                   ( ARCHI_DEMUX_PERIPHERALS_ADDR + ARCHI_EU_DEMUX_OFFSET )
 #define ARCHI_MCHAN_DEMUX_ADDR                ( ARCHI_DEMUX_PERIPHERALS_ADDR + ARCHI_MCHAN_DEMUX_OFFSET )
+#define ARCHI_IDMA_DEMUX_ADDR                 ( ARCHI_DEMUX_PERIPHERALS_ADDR + ARCHI_IDMA_DEMUX_OFFSET )
 
 #endif
diff --git a/include/archi/chips/pulp/properties.h b/include/archi/chips/pulp/properties.h
index 643ca73..4b15c32 100644
--- a/include/archi/chips/pulp/properties.h
+++ b/include/archi/chips/pulp/properties.h
@@ -78,8 +78,12 @@
 #define FLL_VERSION         1
 #define RISCV_VERSION       4
 #define MCHAN_VERSION       7
+// #define IDMA_VERSION        1
 #define PADS_VERSION        2
 
+#if defined(MCHAN_VERSION) && defined(IDMA_VERSION)
+#error "MCHAN and IDMA not compatible"
+#endif
 
 /*
  * CLUSTER
diff --git a/include/archi/chips/pulp/pulp.h b/include/archi/chips/pulp/pulp.h
index a6e0687..fd138c5 100644
--- a/include/archi/chips/pulp/pulp.h
+++ b/include/archi/chips/pulp/pulp.h
@@ -40,6 +40,9 @@
 #if MCHAN_VERSION == 7
 #include "archi/dma/mchan_v7.h"
 #endif
+#if IDMA_VERSION == 1
+#include "archi/dma/idma_v1.h"
+#endif
 
 #include "archi/udma/cpi/udma_cpi_v1.h"
 #include "archi/udma/i2c/udma_i2c_v2.h"
diff --git a/include/hal/chips/pulp/pulp.h b/include/hal/chips/pulp/pulp.h
index cc66332..7450d08 100644
--- a/include/hal/chips/pulp/pulp.h
+++ b/include/hal/chips/pulp/pulp.h
@@ -29,6 +29,9 @@
 #if MCHAN_VERSION == 7
 #include "hal/dma/mchan_v7.h"
 #endif
+#if IDMA_VERSION == 1
+#include "hal/dma/idma_v1.h"
+#endif
 #include "hal/timer/timer_v2.h"
 #include "hal/soc_eu/soc_eu_v2.h"
 #include "hal/cluster_ctrl/cluster_ctrl_v2.h"