leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

x86: acpi: Add DMA descriptors for SPI5 on Intel Tangier

Browse Source 
Intel Tangier SoC has a general purpose DMA which can serve to speed up
communications on SPI and I2C serial buses.

Provide DMA descriptors to utilize this capability in the future.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Andy Shevchenko 2019-02-26 13:43:14 +02:00 committed by Bin Meng
parent e8e3f2d2d4
commit 1d2825aa30
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
View File

@ -179,6 +179,9 @@ Device (PCI0)
"\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 112 }
GpioIo(Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly,
"\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 113 }
FixedDMA(0x000d, 0x0002, Width32bit, )
FixedDMA(0x000c, 0x0003, Width32bit, )
})
Method (_CRS, 0, NotSerialized)