From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Tue, 26 Feb 2019 11:43:14 +0000 (+0200)
Subject: x86: acpi: Add DMA descriptors for SPI5 on Intel Tangier
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=1d2825aa30b63e01ac353ebf36159fda00e33a05;p=u-boot.git

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

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>
---

diff --git a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
index baad98b1c7..8cb6f64b3d 100644
--- a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
+++ b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
@@ -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)