From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vidya Sagar Subject: [PATCH V3 1/2] arm64: tegra: Re-order PCIe aperture mappings to support ACPI boot Date: Sat, 11 Jan 2020 00:44:59 +0530 Message-ID: <20200110191500.9538-2-vidyas@nvidia.com> References: <20200106082709.14370-1-vidyas@nvidia.com> <20200110191500.9538-1-vidyas@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20200110191500.9538-1-vidyas-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, lorenzo.pieralisi-5wv7dgnIgG8@public.gmane.org, rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org, lenb-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, andrew.murray-5wv7dgnIgG8@public.gmane.org, treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kthota-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, mmaddireddy-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, vidyas-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, sagar.tv-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org List-Id: linux-tegra@vger.kernel.org Re-order Tegra194's PCIe aperture mappings to have IO window moved to 64-bit aperture and have the entire 32-bit aperture used for accessing the configuration space. This makes it to use the entire 32MB of the 32-bit aperture for ECAM purpose while booting through ACPI. Signed-off-by: Vidya Sagar --- V3: * New change in this series arch/arm64/boot/dts/nvidia/tegra194.dtsi | 36 ++++++++++++------------ 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index ccac43be12ac..5d790ec5bdef 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -1247,9 +1247,9 @@ nvidia,aspm-l0s-entrance-latency-us = <3>; bus-range = <0x0 0xff>; - ranges = <0x81000000 0x0 0x30100000 0x0 0x30100000 0x0 0x00100000 /* downstream I/O (1MB) */ - 0xc2000000 0x12 0x00000000 0x12 0x00000000 0x0 0x30000000 /* prefetchable memory (768MB) */ - 0x82000000 0x0 0x40000000 0x12 0x30000000 0x0 0x10000000>; /* non-prefetchable memory (256MB) */ + ranges = <0xc2000000 0x12 0x00000000 0x12 0x00000000 0x0 0x30000000 /* prefetchable memory (768MB) */ + 0x82000000 0x00 0x40000000 0x12 0x30000000 0x0 0x0fff0000 /* non-prefetchable memory (256MB - 64KB) */ + 0x81000000 0x00 0x00000000 0x12 0x3fff0000 0x0 0x00010000>; /* downstream I/O (64KB) */ }; pcie@14120000 { @@ -1292,9 +1292,9 @@ nvidia,aspm-l0s-entrance-latency-us = <3>; bus-range = <0x0 0xff>; - ranges = <0x81000000 0x0 0x32100000 0x0 0x32100000 0x0 0x00100000 /* downstream I/O (1MB) */ - 0xc2000000 0x12 0x40000000 0x12 0x40000000 0x0 0x30000000 /* prefetchable memory (768MB) */ - 0x82000000 0x0 0x40000000 0x12 0x70000000 0x0 0x10000000>; /* non-prefetchable memory (256MB) */ + ranges = <0xc2000000 0x12 0x40000000 0x12 0x40000000 0x0 0x30000000 /* prefetchable memory (768MB) */ + 0x82000000 0x00 0x40000000 0x12 0x70000000 0x0 0x0fff0000 /* non-prefetchable memory (256MB - 64KB) */ + 0x81000000 0x00 0x00000000 0x12 0x7fff0000 0x0 0x00010000>; /* downstream I/O (64KB) */ }; pcie@14140000 { @@ -1337,9 +1337,9 @@ nvidia,aspm-l0s-entrance-latency-us = <3>; bus-range = <0x0 0xff>; - ranges = <0x81000000 0x0 0x34100000 0x0 0x34100000 0x0 0x00100000 /* downstream I/O (1MB) */ - 0xc2000000 0x12 0x80000000 0x12 0x80000000 0x0 0x30000000 /* prefetchable memory (768MB) */ - 0x82000000 0x0 0x40000000 0x12 0xb0000000 0x0 0x10000000>; /* non-prefetchable memory (256MB) */ + ranges = <0xc2000000 0x12 0x80000000 0x12 0x80000000 0x0 0x30000000 /* prefetchable memory (768MB) */ + 0x82000000 0x00 0x40000000 0x12 0xb0000000 0x0 0x0fff0000 /* non-prefetchable memory (256MB - 64KB) */ + 0x81000000 0x00 0x00000000 0x12 0xbfff0000 0x0 0x00010000>; /* downstream I/O (64KB) */ }; pcie@14160000 { @@ -1382,9 +1382,9 @@ nvidia,aspm-l0s-entrance-latency-us = <3>; bus-range = <0x0 0xff>; - ranges = <0x81000000 0x0 0x36100000 0x0 0x36100000 0x0 0x00100000 /* downstream I/O (1MB) */ - 0xc2000000 0x14 0x00000000 0x14 0x00000000 0x3 0x40000000 /* prefetchable memory (13GB) */ - 0x82000000 0x0 0x40000000 0x17 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */ + ranges = <0xc2000000 0x14 0x00000000 0x14 0x00000000 0x3 0x40000000 /* prefetchable memory (13GB) */ + 0x82000000 0x00 0x40000000 0x17 0x40000000 0x0 0xbfff0000 /* non-prefetchable memory (3GB - 64KB) */ + 0x81000000 0x00 0x00000000 0x17 0xffff0000 0x0 0x00010000>; /* downstream I/O (64KB) */ }; pcie@14180000 { @@ -1427,9 +1427,9 @@ nvidia,aspm-l0s-entrance-latency-us = <3>; bus-range = <0x0 0xff>; - ranges = <0x81000000 0x0 0x38100000 0x0 0x38100000 0x0 0x00100000 /* downstream I/O (1MB) */ - 0xc2000000 0x18 0x00000000 0x18 0x00000000 0x3 0x40000000 /* prefetchable memory (13GB) */ - 0x82000000 0x0 0x40000000 0x1b 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */ + ranges = <0xc2000000 0x18 0x00000000 0x18 0x00000000 0x3 0x40000000 /* prefetchable memory (13GB) */ + 0x82000000 0x00 0x40000000 0x1b 0x40000000 0x0 0xbfff0000 /* non-prefetchable memory (3GB - 64KB) */ + 0x81000000 0x00 0x00000000 0x1b 0xffff0000 0x0 0x00010000>; /* downstream I/O (64KB) */ }; pcie@141a0000 { @@ -1476,9 +1476,9 @@ nvidia,aspm-l0s-entrance-latency-us = <3>; bus-range = <0x0 0xff>; - ranges = <0x81000000 0x0 0x3a100000 0x0 0x3a100000 0x0 0x00100000 /* downstream I/O (1MB) */ - 0xc2000000 0x1c 0x00000000 0x1c 0x00000000 0x3 0x40000000 /* prefetchable memory (13GB) */ - 0x82000000 0x0 0x40000000 0x1f 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */ + ranges = <0xc2000000 0x1c 0x00000000 0x1c 0x00000000 0x3 0x40000000 /* prefetchable memory (13GB) */ + 0x82000000 0x00 0x40000000 0x1f 0x40000000 0x0 0xbfff0000 /* non-prefetchable memory (3GB - 64KB) */ + 0x81000000 0x00 0x00000000 0x1f 0xffff0000 0x0 0x00010000>; /* downstream I/O (64KB) */ }; sysram@40000000 { -- 2.17.1