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Diffstat (limited to 'arch/arm/mach-davinci/board-da830-evm.c')
-rw-r--r--arch/arm/mach-davinci/board-da830-evm.c32
1 files changed, 31 insertions, 1 deletions
diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c
index bc384d3561d..c3994f341e4 100644
--- a/arch/arm/mach-davinci/board-da830-evm.c
+++ b/arch/arm/mach-davinci/board-da830-evm.c
@@ -494,12 +494,42 @@ static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
.bus_delay = 0, /* usec */
};
+/*
+ * The following EDMA channels/slots are not being used by drivers (for
+ * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
+ * they are being reserved for codecs on the DSP side.
+ */
+static const s16 da830_dma_rsv_chans[][2] = {
+ /* (offset, number) */
+ { 8, 2},
+ {12, 2},
+ {24, 4},
+ {30, 2},
+ {-1, -1}
+};
+
+static const s16 da830_dma_rsv_slots[][2] = {
+ /* (offset, number) */
+ { 8, 2},
+ {12, 2},
+ {24, 4},
+ {30, 26},
+ {-1, -1}
+};
+
+static struct edma_rsv_info da830_edma_rsv[] = {
+ {
+ .rsv_chans = da830_dma_rsv_chans,
+ .rsv_slots = da830_dma_rsv_slots,
+ },
+};
+
static __init void da830_evm_init(void)
{
struct davinci_soc_info *soc_info = &davinci_soc_info;
int ret;
- ret = da8xx_register_edma();
+ ret = da830_register_edma(da830_edma_rsv);
if (ret)
pr_warning("da830_evm_init: edma registration failed: %d\n",
ret);