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Bracket SGPIO GPDMA slice configuration with multislice==false test. It only makes sense in single slice mode (until I have a clever idea for doing GPDMA with multiple slices).

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This commit is contained in:
Jared Boone
2013-12-08 12:14:00 -08:00
parent 809df425c1
commit 50ec268794
1 changed files with 32 additions and 30 deletions
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2
firmware/common/sgpio.c
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@ -228,6 +228,7 @@ void sgpio_configure(
slice_enable_mask |= (1 << slice_index); slice_enable_mask |= (1 << slice_index);
} }
if( multi_slice == false ) {
SGPIO_MUX_CFG(slice_gpdma) = SGPIO_MUX_CFG(slice_gpdma) =
SGPIO_MUX_CFG_CONCAT_ORDER(0) /* Self-loop */ SGPIO_MUX_CFG_CONCAT_ORDER(0) /* Self-loop */
| SGPIO_MUX_CFG_CONCAT_ENABLE(1) | SGPIO_MUX_CFG_CONCAT_ENABLE(1)
@ -259,6 +260,7 @@ void sgpio_configure(
SGPIO_REG_SS(slice_gpdma) = 0x77777777; // Shadow output data register, LSB -> out1 SGPIO_REG_SS(slice_gpdma) = 0x77777777; // Shadow output data register, LSB -> out1
slice_enable_mask |= (1 << slice_gpdma); slice_enable_mask |= (1 << slice_gpdma);
}
// Start SGPIO operation by enabling slice clocks. // Start SGPIO operation by enabling slice clocks.
SGPIO_CTRL_ENABLE = slice_enable_mask; SGPIO_CTRL_ENABLE = slice_enable_mask;