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soc/baytrail: 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 Baytrail/ValleyView UEFI reference code

Change-Id: Icc9b27aaa14583d11d325e43d9165ddda72ca865
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/20080
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Matt DeVillier 2017-06-06 23:51:57 -05:00 committed by Martin Roth
parent f6cfa71217
commit 930577ac7b
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
src/soc/intel/baytrail/acpi/lpss.asl
View File

@ -156,8 +156,8 @@ Device (I2C2)
{ {
LPSS_I2C2_IRQ LPSS_I2C2_IRQ
} }
FixedDMA (0x10, 0x0, Width32Bit, ) FixedDMA (0x12, 0x2, Width32Bit, )
FixedDMA (0x11, 0x1, Width32Bit, ) FixedDMA (0x13, 0x3, Width32Bit, )
}) })
Method (_CRS) Method (_CRS)
@ -215,8 +215,8 @@ Device (I2C3)
{ {
LPSS_I2C3_IRQ LPSS_I2C3_IRQ
} }
FixedDMA (0x10, 0x0, Width32Bit, ) FixedDMA (0x14, 0x4, Width32Bit, )
FixedDMA (0x11, 0x1, Width32Bit, ) FixedDMA (0x15, 0x5, Width32Bit, )
}) })
Method (_CRS) Method (_CRS)
@ -274,8 +274,8 @@ Device (I2C4)
{ {
LPSS_I2C4_IRQ LPSS_I2C4_IRQ
} }
FixedDMA (0x10, 0x0, Width32Bit, ) FixedDMA (0x16, 0x6, Width32Bit, )
FixedDMA (0x11, 0x1, Width32Bit, ) FixedDMA (0x17, 0x7, Width32Bit, )
}) })
Method (_CRS) Method (_CRS)
@ -333,8 +333,8 @@ Device (I2C5)
{ {
LPSS_I2C5_IRQ LPSS_I2C5_IRQ
} }
FixedDMA (0x10, 0x0, Width32Bit, ) FixedDMA (0x18, 0x0, Width32Bit, )
FixedDMA (0x11, 0x1, Width32Bit, ) FixedDMA (0x19, 0x1, Width32Bit, )
}) })
Method (_CRS) Method (_CRS)
@ -392,8 +392,8 @@ Device (I2C6)
{ {
LPSS_I2C6_IRQ LPSS_I2C6_IRQ
} }
FixedDMA (0x10, 0x0, Width32Bit, ) FixedDMA (0x1A, 0x2, Width32Bit, )
FixedDMA (0x11, 0x1, Width32Bit, ) FixedDMA (0x1B, 0x3, Width32Bit, )
}) })
Method (_CRS) Method (_CRS)
@ -451,8 +451,8 @@ Device (I2C7)
{ {
LPSS_I2C7_IRQ LPSS_I2C7_IRQ
} }
FixedDMA (0x10, 0x0, Width32Bit, ) FixedDMA (0x1C, 0x4, Width32Bit, )
FixedDMA (0x11, 0x1, Width32Bit, ) FixedDMA (0x1D, 0x5, Width32Bit, )
}) })
Method (_CRS) Method (_CRS)