diff options
Diffstat (limited to '0002-arm64-tegra-Re-order-PCIe-aperture-mappings-to-suppo.patch')
| -rw-r--r-- | 0002-arm64-tegra-Re-order-PCIe-aperture-mappings-to-suppo.patch | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/0002-arm64-tegra-Re-order-PCIe-aperture-mappings-to-suppo.patch b/0002-arm64-tegra-Re-order-PCIe-aperture-mappings-to-suppo.patch new file mode 100644 index 000000000..d184228ea --- /dev/null +++ b/0002-arm64-tegra-Re-order-PCIe-aperture-mappings-to-suppo.patch @@ -0,0 +1,101 @@ +From 6acf1ba7596a051d6ff4092d22bf9c4ce210d9f5 Mon Sep 17 00:00:00 2001 +From: Vidya Sagar <vidyas@nvidia.com> +Date: Sat, 11 Jan 2020 00:44:59 +0530 +Subject: [PATCH 2/2] arm64: tegra: Re-order PCIe aperture mappings to support + ACPI boot + +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 <vidyas@nvidia.com> +--- + 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 4bc187a4eacdb..2b378fa06d19e 100644 +--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi ++++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi +@@ -1404,9 +1404,9 @@ pcie@14100000 { + nvidia,aspm-l0s-entrance-latency-us = <3>; + + bus-range = <0x0 0xff>; +- ranges = <0x81000000 0x0 0x30100000 0x0 0x30100000 0x0 0x00100000 /* downstream I/O (1MB) */ +- 0xc3000000 0x12 0x00000000 0x12 0x00000000 0x0 0x30000000 /* prefetchable memory (768MB) */ +- 0x82000000 0x0 0x40000000 0x12 0x30000000 0x0 0x10000000>; /* non-prefetchable memory (256MB) */ ++ ranges = <0xc3000000 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 { +@@ -1449,9 +1449,9 @@ pcie@14120000 { + nvidia,aspm-l0s-entrance-latency-us = <3>; + + bus-range = <0x0 0xff>; +- ranges = <0x81000000 0x0 0x32100000 0x0 0x32100000 0x0 0x00100000 /* downstream I/O (1MB) */ +- 0xc3000000 0x12 0x40000000 0x12 0x40000000 0x0 0x30000000 /* prefetchable memory (768MB) */ +- 0x82000000 0x0 0x40000000 0x12 0x70000000 0x0 0x10000000>; /* non-prefetchable memory (256MB) */ ++ ranges = <0xc3000000 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 { +@@ -1494,9 +1494,9 @@ pcie@14140000 { + nvidia,aspm-l0s-entrance-latency-us = <3>; + + bus-range = <0x0 0xff>; +- ranges = <0x81000000 0x0 0x34100000 0x0 0x34100000 0x0 0x00100000 /* downstream I/O (1MB) */ +- 0xc3000000 0x12 0x80000000 0x12 0x80000000 0x0 0x30000000 /* prefetchable memory (768MB) */ +- 0x82000000 0x0 0x40000000 0x12 0xb0000000 0x0 0x10000000>; /* non-prefetchable memory (256MB) */ ++ ranges = <0xc3000000 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 { +@@ -1539,9 +1539,9 @@ pcie@14160000 { + nvidia,aspm-l0s-entrance-latency-us = <3>; + + bus-range = <0x0 0xff>; +- ranges = <0x81000000 0x0 0x36100000 0x0 0x36100000 0x0 0x00100000 /* downstream I/O (1MB) */ +- 0xc3000000 0x14 0x00000000 0x14 0x00000000 0x3 0x40000000 /* prefetchable memory (13GB) */ +- 0x82000000 0x0 0x40000000 0x17 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */ ++ ranges = <0xc3000000 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 { +@@ -1584,9 +1584,9 @@ pcie@14180000 { + nvidia,aspm-l0s-entrance-latency-us = <3>; + + bus-range = <0x0 0xff>; +- ranges = <0x81000000 0x0 0x38100000 0x0 0x38100000 0x0 0x00100000 /* downstream I/O (1MB) */ +- 0xc3000000 0x18 0x00000000 0x18 0x00000000 0x3 0x40000000 /* prefetchable memory (13GB) */ +- 0x82000000 0x0 0x40000000 0x1b 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */ ++ ranges = <0xc3000000 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 { +@@ -1633,9 +1633,9 @@ pcie@141a0000 { + nvidia,aspm-l0s-entrance-latency-us = <3>; + + bus-range = <0x0 0xff>; +- ranges = <0x81000000 0x0 0x3a100000 0x0 0x3a100000 0x0 0x00100000 /* downstream I/O (1MB) */ +- 0xc3000000 0x1c 0x00000000 0x1c 0x00000000 0x3 0x40000000 /* prefetchable memory (13GB) */ +- 0x82000000 0x0 0x40000000 0x1f 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */ ++ ranges = <0xc3000000 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) */ + }; + + pcie_ep@14160000 { +-- +2.26.2 + |