From f6cfa71217f8a8b42e1f6fe8be6b91d2ef0bca63 Mon Sep 17 00:00:00 2001 From: Matt DeVillier Date: Fri, 2 Jun 2017 14:33:22 -0500 Subject: soc/braswell: assign unique DMA request lines to I2C controllers Each I2C controller should have a unique pair of DMA request lines, and DMA channels should be assigned incrementally, rolling over as necessary. Source: Intel Braswell UEFI reference code Change-Id: I1d97b5a07bf732c27caf57904c138b120b93ca81 Signed-off-by: Matt DeVillier Reviewed-on: https://review.coreboot.org/20079 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/soc/intel/braswell/acpi/lpss.asl | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/src/soc/intel/braswell/acpi/lpss.asl b/src/soc/intel/braswell/acpi/lpss.asl index 34d1e4ddeb..4cc93cc2d2 100644 --- a/src/soc/intel/braswell/acpi/lpss.asl +++ b/src/soc/intel/braswell/acpi/lpss.asl @@ -187,8 +187,8 @@ Device (I2C2) { LPSS_I2C2_IRQ } - FixedDMA (0x10, 0x0, Width32Bit, ) - FixedDMA (0x11, 0x1, Width32Bit, ) + FixedDMA (0x12, 0x2, Width32Bit, ) + FixedDMA (0x13, 0x3, Width32Bit, ) }) Method (_CRS) @@ -246,8 +246,8 @@ Device (I2C3) { LPSS_I2C3_IRQ } - FixedDMA (0x10, 0x0, Width32Bit, ) - FixedDMA (0x11, 0x1, Width32Bit, ) + FixedDMA (0x14, 0x4, Width32Bit, ) + FixedDMA (0x15, 0x5, Width32Bit, ) }) Method (_CRS) @@ -305,8 +305,8 @@ Device (I2C4) { LPSS_I2C4_IRQ } - FixedDMA (0x10, 0x0, Width32Bit, ) - FixedDMA (0x11, 0x1, Width32Bit, ) + FixedDMA (0x16, 0x6, Width32Bit, ) + FixedDMA (0x17, 0x7, Width32Bit, ) }) Method (_CRS) @@ -364,8 +364,8 @@ Device (I2C5) { LPSS_I2C5_IRQ } - FixedDMA (0x10, 0x0, Width32Bit, ) - FixedDMA (0x11, 0x1, Width32Bit, ) + FixedDMA (0x18, 0x0, Width32Bit, ) + FixedDMA (0x19, 0x1, Width32Bit, ) }) Method (_CRS) @@ -423,8 +423,8 @@ Device (I2C6) { LPSS_I2C6_IRQ } - FixedDMA (0x10, 0x0, Width32Bit, ) - FixedDMA (0x11, 0x1, Width32Bit, ) + FixedDMA (0x1A, 0x2, Width32Bit, ) + FixedDMA (0x1B, 0x3, Width32Bit, ) }) Method (_CRS) @@ -482,8 +482,8 @@ Device (I2C7) { LPSS_I2C7_IRQ } - FixedDMA (0x10, 0x0, Width32Bit, ) - FixedDMA (0x11, 0x1, Width32Bit, ) + FixedDMA (0x1C, 0x4, Width32Bit, ) + FixedDMA (0x1D, 0x5, Width32Bit, ) }) Method (_CRS) -- cgit v1.2.3