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linux/drivers/pci/controller
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Kishon Vijay Abraham I af218c803f PCI: keystone: Add workaround for Errata #i2037 (AM65x SR 1.0) 
[ Upstream commit 86f271f22b ]

Errata #i2037 in AM65x/DRA80xM Processors Silicon Revision 1.0
(SPRZ452D_July 2018_Revised December 2019 [1]) mentions when an
inbound PCIe TLP spans more than two internal AXI 128-byte bursts,
the bus may corrupt the packet payload and the corrupt data may
cause associated applications or the processor to hang.

The workaround for Errata #i2037 is to limit the maximum read
request size and maximum payload size to 128 bytes. Add workaround
for Errata #i2037 here.

The errata and workaround is applicable only to AM65x SR 1.0 and
later versions of the silicon will have this fixed.

[1] -> https://www.ti.com/lit/er/sprz452i/sprz452i.pdf

Link: https://lore.kernel.org/linux-pci/16e1fcae-1ea7-46be-b157-096e05661b15@siemens.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Achal Verma <a-verma1@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-09-12 11:10:20 +02:00
..
cadence PCI: cadence: Fix Gen2 Link Retraining process 2023-07-19 16:21:34 +02:00
dwc PCI: keystone: Add workaround for Errata #i2037 (AM65x SR 1.0) 2024-09-12 11:10:20 +02:00
mobiveil PCI: Add defines for normal and subtractive PCI bridges 2022-02-17 15:29:35 -06:00
Kconfig arm64: bcmbca: Make BCM4908 drivers depend on ARCH_BCMBCA 2022-08-15 09:55:34 -07:00
Makefile Merge branch 'pci/host/mt7621' 2021-11-05 11:28:51 -05:00
pci-aardvark.c Merge branch 'remotes/lorenzo/pci/bridge-emul' 2022-10-05 17:32:55 -05:00
pci-ftpci100.c PCI: ftpci100: Release the clock resources 2023-07-19 16:21:35 +02:00
pci-host-common.c PCI/MSI: Make pci_host_common_probe() declare its reliance on MSI domains 2021-04-20 14:11:22 +01:00
pci-host-generic.c PCI: Unify ECAM constants in native PCI Express drivers 2020-12-10 14:55:49 -06:00
pci-hyperv-intf.c PCI: hv: Add a Hyper-V PCI interface driver for software backchannel interface 2019-08-22 00:25:12 -07:00
pci-hyperv.c PCI: hv: Return zero, not garbage, when reading PCI_INTERRUPT_PIN 2024-08-03 08:49:37 +02:00
pci-ixp4xx.c ARM: ixp4xx: fix building both pci drivers 2021-08-12 23:10:09 +02:00
pci-loongson.c PCI: loongson: Enable MSI in LS7A Root Complex 2024-08-03 08:49:37 +02:00
pci-mvebu.c PCI: mvebu: Use FIELD_PREP() with Link Width 2023-11-28 17:06:59 +00:00
pci-rcar-gen2.c PCI: rcar-gen2: Add RZ/N1 SOC family compatible string 2022-06-23 17:37:05 -05:00
pci-tegra.c Revert "PCI: tegra: Use PCI_CONF1_EXT_ADDRESS() macro" 2022-10-17 12:11:09 -05:00
pci-thunder-ecam.c PCI: thunder: Drop error data fabrication when config read fails 2021-11-18 13:39:32 -06:00
pci-thunder-pem.c PCI: thunder: Drop error data fabrication when config read fails 2021-11-18 13:39:32 -06:00
pci-v3-semi.c PCI: v3-semi: Remove unneeded break 2020-10-20 10:59:55 -05:00
pci-versatile.c PCI: versatile: Remove redundant variable retval 2022-04-28 10:46:37 +01:00
pci-xgene-msi.c PCI: xgene-msi: Use bitmap_zalloc() when applicable 2021-11-29 17:29:15 +00:00
pci-xgene.c PCI: Drop of_match_ptr() to avoid unused variables 2022-07-06 14:34:09 -05:00
pcie-altera-msi.c PCI: Bulk conversion to generic_handle_domain_irq() 2021-08-02 11:53:05 -05:00
pcie-altera.c Merge branch 'pci/driver-cleanup' 2022-01-13 09:57:53 -06:00
pcie-apple.c PCI: apple: Initialize pcie->nvecs before use 2023-09-13 09:42:45 +02:00
pcie-brcmstb.c PCI: brcmstb: Rename .map_bus() functions to end with 'map_bus' 2022-07-27 11:53:12 -05:00
pcie-hisi-error.c PCI: hip: Add handling of HiSilicon HIP PCIe controller errors 2020-09-16 10:30:42 +01:00
pcie-iproc-bcma.c PCI: Add defines for normal and subtractive PCI bridges 2022-02-17 15:29:35 -06:00
pcie-iproc-msi.c PCI: iproc: Use bitmap API to allocate bitmaps 2022-07-05 15:02:56 -05:00
pcie-iproc-platform.c PCI: iproc: Rename iproc_pcie_pltfm_ to iproc_pltfm_pcie_ 2022-01-03 15:01:53 -06:00
pcie-iproc.c PCI: iproc: Set all 24 bits of PCI class code 2022-02-17 15:30:01 -06:00
pcie-iproc.h PCI: Fix kernel-doc formatting 2021-07-06 10:37:46 -05:00
pcie-mediatek-gen3.c PCI: mediatek-gen3: Fix translation window size calculation 2024-01-25 15:27:48 -08:00
pcie-mediatek.c PCI: mediatek: Clear interrupt status before dispatching handler 2024-01-25 15:27:44 -08:00
pcie-microchip-host.c PCI: microchip: Correct the DED and SEC interrupt bit offsets 2023-09-13 09:42:46 +02:00
pcie-mt7621.c PCI: mt7621: Delay phy ports initialization 2023-03-10 09:33:35 +01:00
pcie-rcar-ep.c PCI: rcar-ep: Remove unneeded includes 2021-10-08 09:41:38 -05:00
pcie-rcar-host.c PCI: rcar: Demote WARN() to dev_warn_ratelimited() in rcar_pcie_wakeup() 2024-08-03 08:49:17 +02:00
pcie-rcar.c PCI: rcar: Fix calculating mask for PCIEPAMR register 2020-05-11 11:29:48 +01:00
pcie-rcar.h PCI: rcar: Add L1 link state fix into data abort hook 2021-08-16 14:51:30 +01:00
pcie-rockchip-ep.c PCI: rockchip-ep: Remove wrong mask on subsys_vendor_id 2024-06-21 14:35:56 +02:00
pcie-rockchip-host.c PCI: Convert to new *_PM_OPS macros 2022-07-27 11:56:17 -05:00
pcie-rockchip.c PCI: rockchip: Use GPIOD_OUT_LOW flag while requesting ep_gpio 2024-08-03 08:49:37 +02:00
pcie-rockchip.h PCI: rockchip: Use 64-bit mask on MSI 64-bit PCI address 2023-09-13 09:43:00 +02:00
pcie-xilinx-cpm.c PCI: xilinx-cpm: Add support for Versal CPM5 Root Port 2022-07-22 14:21:06 -05:00
pcie-xilinx-nwl.c PCI: xilinx-nwl: Simplify code and fix a memory leak 2021-12-01 09:26:51 +00:00
pcie-xilinx.c PCI: xilinx: Rename xilinx_pcie_port to xilinx_pcie 2022-01-03 15:05:28 -06:00
vmd.c PCI: vmd: Correct PCI Header Type Register's multi-function check 2023-11-20 11:52:05 +01:00