From: Sudhakar Rajashekhara <sudhakar....@ti.com>
Pass reserved EDMA channel/slots as platform data for da850/omap-l138.
Signed-off-by: Sudhakar Rajashekhara <sudhakar....@ti.com>
Signed-off-by: Kevin Hilman <khil...@deeprootsystems.com>
---
arch/arm/mach-davinci/devices-da8xx.c | 39 +++++++++++++++++++++++++++++++++
1 files changed, 39 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-davinci/devices-da8xx.c
b/arch/arm/mach-davinci/devices-da8xx.c
index 9a5342b..7e0789f 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -134,6 +134,41 @@ static const s16 da830_dma_rsv_slots[][2] = {
{-1, -1}
};
+/*
+ * The following EDMA channels/slots are not being used by drivers (for
+ * example: Timer, GPIO, UART events etc) on da850/omap-l138, hence they
+ * are being reserved for codecs on the DSP side.
+ */
+static const s16 da850_dma0_rsv_chans[][2] = {
+ /* (offset, number) */
+ { 8, 6},
+ {24, 4},
+ {30, 2},
+ {-1, -1}
+};
+
+static const s16 da850_dma0_rsv_slots[][2] = {
+ /* (offset, number) */
+ { 8, 6},
+ {24, 4},
+ {30, 50},
+ {-1, -1}
+};
+
+static const s16 da850_dma1_rsv_chans[][2] = {
+ /* (offset, number) */
+ { 0, 28},
+ {30, 2},
+ {-1, -1}
+};
+
+static const s16 da850_dma1_rsv_slots[][2] = {
+ /* (offset, number) */
+ { 0, 28},
+ {30, 90},
+ {-1, -1}
+};
+
static struct edma_soc_info da830_edma_info[] = {
{
.n_channel = 32,
@@ -155,6 +190,8 @@ static struct edma_soc_info da850_edma_info[] = {
.n_slot = 128,
.n_tc = 2,
.n_cc = 1,
+ .rsv_chans = da850_dma0_rsv_chans,
+ .rsv_slots = da850_dma0_rsv_slots,
.queue_tc_mapping = da8xx_queue_tc_mapping,
.queue_priority_mapping = da8xx_queue_priority_mapping,
},
@@ -164,6 +201,8 @@ static struct edma_soc_info da850_edma_info[] = {
.n_slot = 128,
.n_tc = 1,
.n_cc = 1,
+ .rsv_chans = da850_dma1_rsv_chans,
+ .rsv_slots = da850_dma1_rsv_slots,
.queue_tc_mapping = da850_queue_tc_mapping,
.queue_priority_mapping = da850_queue_priority_mapping,
},
--
1.6.6.rc2.1.g42108
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