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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org LX2160 SoC pci-e controller supports 64-bit memory regions up to 16GB, 32-bit regions up to 3GB and 16-bit regions up to 64k. For each pci-e controller: - extend the existing 32-bit regions to 3GB size - add 64-bit region See [1] and [2] for boot messages showing ranges before and after. On LX2160A Silicon revision 1, the pcie driver fails to program atu for ranges larger than 4GB [3]. Therefore changes are limited to revision 2. Similar memory allocation with similar flags was tested with UEFI and ACPI on pcie3 and pcie5, on a variety of nxp vendor fork versions. This patch was tested on Linux v7.1-rc1 and u-boot, with two pcie cards: - pcie5: Radeon Pro WX2100 - pcie3: ADATA NVME This fixes allocation of large, and 64-bit BARs as requested by many pci cards - especially graphics processors or AI accelerators, e.g.: [ 2.941187] pci 0000:01:00.0: BAR 0: no space for [mem size 0x200000000 64bit pref] [ 2.948834] pci 0000:01:00.0: BAR 0: failed to assign [mem size 0x200000000 64bit pref] [1] example of new allocations (pcie5): [ 1.182745] layerscape-pcie 3800000.pcie: host bridge /soc/pcie@3800000 ranges: [ 1.182760] layerscape-pcie 3800000.pcie: MEM 0xa400000000..0xa7ffffffff -> 0xa400000000 [ 1.182771] layerscape-pcie 3800000.pcie: MEM 0xa040000000..0xa0ffffffff -> 0x0040000000 [ 1.182778] layerscape-pcie 3800000.pcie: IO 0xa000010000..0xa00001ffff -> 0x0000000000 [ 1.183642] layerscape-pcie 3800000.pcie: iATU: unroll F, 256 ob, 24 ib, align 4K, limit 4G [ 1.385429] layerscape-pcie 3800000.pcie: PCIe Gen.3 x8 link up [ 1.385481] layerscape-pcie 3800000.pcie: PCI host bridge to bus 0001:00 [ 1.385484] pci_bus 0001:00: root bus resource [bus 00-ff] [ 1.385488] pci_bus 0001:00: root bus resource [mem 0xa400000000-0xa7ffffffff pref] [ 1.385491] pci_bus 0001:00: root bus resource [mem 0xa040000000-0xa0ffffffff] (bus address [0x40000000-0xffffffff]) [ 1.385494] pci_bus 0001:00: root bus resource [io 0x10000-0x1ffff] (bus address [0x0000-0xffff]) [ 1.385516] pci 0001:00:00.0: [1957:8d80] type 01 class 0x060400 PCIe Root Port [ 1.385538] pci 0001:00:00.0: PCI bridge to [bus 01-ff] [ 1.385544] pci 0001:00:00.0: bridge window [io 0x11000-0x11fff] [ 1.385548] pci 0001:00:00.0: bridge window [mem 0xa040000000-0xa0502fffff] [ 1.385605] pci 0001:00:00.0: supports D1 D2 [ 1.385607] pci 0001:00:00.0: PME# supported from D0 D1 D2 D3hot [ 1.386778] pci 0001:01:00.0: [1002:6995] type 00 class 0x030000 PCIe Legacy Endpoint [ 1.387336] pci 0001:01:00.0: BAR 0 [mem 0xa040000000-0xa04fffffff 64bit pref] [ 1.387368] pci 0001:01:00.0: BAR 2 [mem 0xa050000000-0xa0501fffff 64bit pref] [ 1.387385] pci 0001:01:00.0: BAR 4 [io 0x11000-0x110ff] [ 1.387402] pci 0001:01:00.0: BAR 5 [mem 0xa050200000-0xa05023ffff] [ 1.387418] pci 0001:01:00.0: ROM [mem 0xa050240000-0xa05025ffff pref] [ 1.387493] pci 0001:01:00.0: enabling Extended Tags [ 1.388960] pci 0001:01:00.0: supports D1 D2 [2] example of previous allocations (pcie5): [ 1.716744] layerscape-pcie 3800000.pcie: host bridge /soc/pcie@3800000 ranges: [ 1.724060] layerscape-pcie 3800000.pcie: MEM 0xa040000000..0xa07fffffff -> 0x0040000000 [ 1.733277] layerscape-pcie 3800000.pcie: iATU: unroll F, 256 ob, 24 ib, align 4K, limit 4G [ 1.836220] layerscape-pcie 3800000.pcie: PCIe Gen.3 x8 link up [ 1.842186] layerscape-pcie 3800000.pcie: PCI host bridge to bus 0001:00 [ 1.848883] pci_bus 0001:00: root bus resource [bus 00-ff] [ 1.854363] pci_bus 0001:00: root bus resource [mem 0xa040000000-0xa07fffffff] (bus address [0x40000000-0x7fffffff]) [ 1.864892] pci 0001:00:00.0: [1957:8d80] type 01 class 0x060400 PCIe Root Port [ 1.872216] pci 0001:00:00.0: PCI bridge to [bus 01-ff] [ 1.877438] pci 0001:00:00.0: bridge window [io 0x1000-0x1fff] [ 1.883526] pci 0001:00:00.0: bridge window [mem 0xa040000000-0xa0502fffff] [3] error programming atu beyond 4GB: [ 1.716762] layerscape-pcie 3800000.pcie: host bridge /soc/pcie@3800000 ranges: [ 1.724080] layerscape-pcie 3800000.pcie: MEM 0xa400000000..0xa7ffffffff -> 0xa400000000 [ 1.732615] layerscape-pcie 3800000.pcie: MEM 0xa040000000..0xa0ffffffff -> 0x0040000000 [ 1.741142] layerscape-pcie 3800000.pcie: IO 0xa010000000..0xa01000ffff -> 0x0000000000 [ 1.750379] layerscape-pcie 3800000.pcie: iATU: unroll F, 256 ob, 24 ib, align 4K, limit 4G [ 1.759089] layerscape-pcie 3800000.pcie: Failed to set MEM range [mem 0xa400000000-0xa7ffffffff flags 0x2200] [ 1.769089] layerscape-pcie 3800000.pcie: probe with driver layerscape-pcie failed with error -22 [4] pci bootloaderp atching related errors with IORESOURCE_MEM_64 flag: [ 0.967809] layerscape-pcie 3800000.pcie: host bridge /soc/pcie@3800000 ranges: [ 0.967830] layerscape-pcie 3800000.pcie: MEM 0xa400000000..0xa7ffffffff -> 0xa400000000 [ 0.967842] layerscape-pcie 3800000.pcie: MEM 0xa040000000..0xa0ffffffff -> 0x0040000000 [ 0.967849] layerscape-pcie 3800000.pcie: IO 0xa000010000..0xa00001ffff -> 0x0000000000 [ 1.169315] pci 0000:01:00.0: [8086:1572] type 00 class 0x020000 PCIe Endpoint [ 1.169733] pci 0000:01:00.0: BAR 0 [mem 0x00000000-0x00ffffff 64bit pref] [ 1.169771] pci 0000:01:00.0: BAR 3 [mem 0x00000000-0x00007fff 64bit pref] [ 1.169796] pci 0000:01:00.0: ROM [mem 0x00000000-0x0007ffff pref] [ 1.173389] OF: /soc/pcie@3800000: no msi-map translation for id 0x100 on (null) [ 1.173515] OF: /soc/pcie@3800000: no iommu-map translation for id 0x100 on (null) Signed-off-by: Josua Mayer --- .../arm64/boot/dts/freescale/fsl-lx2160a-rev2.dtsi | 30 +++++++++++++--------- 1 file changed, 18 insertions(+), 12 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rev2.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rev2.dtsi index f54005e37924b..db1ebee53f6f0 100644 --- a/arch/arm64/boot/dts/freescale/fsl-lx2160a-rev2.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-rev2.dtsi @@ -14,8 +14,9 @@ &pcie1 { 0x80 0x00000000 0x0 0x00002000>; /* configuration space */ reg-names = "regs", "config"; - ranges = <0x81000000 0x0 0x00000000 0x80 0x00010000 0x0 0x00010000 - 0x82000000 0x0 0x40000000 0x80 0x40000000 0x0 0x40000000>; + ranges = <0x81000000 0x00 0x00000000 0x80 0x00010000 0x00 0x00010000>, /* 16-Bit IO Window */ + <0x82000000 0x00 0x40000000 0x80 0x40000000 0x00 0xc0000000>, /* 32-Bit - non-prefetchable */ + <0xC3000000 0x84 0x00000000 0x84 0x00000000 0x04 0x00000000>; /* 64-Bit - prefetchable - 16GB */ interrupts = ; interrupt-names = "intr"; @@ -30,8 +31,9 @@ &pcie2 { 0x88 0x00000000 0x0 0x00002000>; /* configuration space */ reg-names = "regs", "config"; - ranges = <0x81000000 0x0 0x00000000 0x88 0x00010000 0x0 0x00010000 - 0x82000000 0x0 0x40000000 0x88 0x40000000 0x0 0x40000000>; + ranges = <0x81000000 0x00 0x00000000 0x88 0x00010000 0x00 0x00010000>, /* 16-Bit IO Window */ + <0x82000000 0x00 0x40000000 0x88 0x40000000 0x00 0xc0000000>, /* 32-Bit - non-prefetchable */ + <0xC3000000 0x8c 0x00000000 0x8c 0x00000000 0x04 0x00000000>; /* 64-Bit - prefetchable - 16GB */ interrupts = ; interrupt-names = "intr"; @@ -46,8 +48,9 @@ &pcie3 { 0x90 0x00000000 0x0 0x00002000>; /* configuration space */ reg-names = "regs", "config"; - ranges = <0x81000000 0x0 0x00000000 0x90 0x00010000 0x0 0x00010000 - 0x82000000 0x0 0x40000000 0x90 0x40000000 0x0 0x40000000>; + ranges = <0x81000000 0x00 0x00000000 0x90 0x00010000 0x00 0x00010000>, /* 16-Bit IO Window */ + <0x82000000 0x00 0x40000000 0x90 0x40000000 0x00 0xc0000000>, /* 32-Bit - non-prefetchable */ + <0xC3000000 0x94 0x00000000 0x94 0x00000000 0x04 0x00000000>; /* 64-Bit - prefetchable - 16GB */ interrupts = ; interrupt-names = "intr"; @@ -63,8 +66,9 @@ &pcie4 { 0x98 0x00000000 0x0 0x00002000>; /* configuration space */ reg-names = "regs", "config"; - ranges = <0x81000000 0x0 0x00000000 0x98 0x00010000 0x0 0x00010000 - 0x82000000 0x0 0x40000000 0x98 0x40000000 0x0 0x40000000>; + ranges = <0x81000000 0x00 0x00000000 0x98 0x00010000 0x00 0x00010000>, /* 16-Bit IO Window */ + <0x82000000 0x00 0x40000000 0x98 0x40000000 0x00 0xc0000000>, /* 32-Bit - non-prefetchable */ + <0xC3000000 0x9c 0x00000000 0x9c 0x00000000 0x04 0x00000000>; /* 64-Bit - prefetchable - 16GB */ interrupts = ; interrupt-names = "intr"; @@ -79,8 +83,9 @@ &pcie5 { 0xa0 0x00000000 0x0 0x00002000>; /* configuration space */ reg-names = "regs", "config"; - ranges = <0x81000000 0x0 0x00000000 0xa0 0x00010000 0x0 0x00010000 - 0x82000000 0x0 0x40000000 0xa0 0x40000000 0x0 0x40000000>; + ranges = <0x81000000 0x00 0x00000000 0xa0 0x00010000 0x00 0x00010000>, /* 16-Bit IO Window */ + <0x82000000 0x00 0x40000000 0xa0 0x40000000 0x00 0xc0000000>, /* 32-Bit - non-prefetchable */ + <0xC3000000 0xa4 0x00000000 0xa4 0x00000000 0x04 0x00000000>; /* 64-Bit - prefetchable - 16GB */ interrupts = ; interrupt-names = "intr"; @@ -95,8 +100,9 @@ &pcie6 { 0xa8 0x00000000 0x0 0x00002000>; /* configuration space */ reg-names = "regs", "config"; - ranges = <0x81000000 0x0 0x00000000 0xa8 0x00010000 0x0 0x00010000 - 0x82000000 0x0 0x40000000 0xa8 0x40000000 0x0 0x40000000>; + ranges = <0x81000000 0x00 0x00000000 0xa8 0x00010000 0x00 0x00010000>, /* 16-Bit IO Window */ + <0x82000000 0x00 0x40000000 0xa8 0x40000000 0x00 0xc0000000>, /* 32-Bit - non-prefetchable */ + <0xC3000000 0xac 0x00000000 0xac 0x00000000 0x04 0x00000000>; /* 64-Bit - prefetchable - 16GB */ interrupts = ; interrupt-names = "intr"; -- 2.51.0