From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Shevchenko Date: Tue, 26 Feb 2019 13:43:14 +0200 Subject: [U-Boot] [PATCH v1 1/2] x86: acpi: Add DMA descriptors for SPI5 on Intel Tangier Message-ID: <20190226114315.32652-1-andriy.shevchenko@linux.intel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 --- arch/x86/include/asm/arch-tangier/acpi/southcluster.asl | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl index aad1bf0c87..e4d876ab78 100644 --- a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl +++ b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl @@ -189,6 +189,9 @@ 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) -- 2.20.1