alistair23-linux/drivers/pci/controller
Manikanta Maddireddy 191cd6fb5d PCI: tegra: Add SW fixup for RAW violations
The logic which blocks read requests till AFI gets ACK for all outstanding
writes from memory controller does not behave correctly when number of
outstanding writes become more than 32 in Tegra124 and Tegra132.

SW fixup is to prevent writes from accumulating more than 32 by:

- limiting outstanding posted writes to 14
- modifying Gen1 and Gen2 UpdateFC timer frequency

UpdateFC timer frequency is equal to twice the value of register content
in nsec. These settings are recommended after stress testing with
different values.

Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Thierry Reding <treding@nvidia.com>
2019-06-20 17:21:52 +01:00
..
dwc Merge branch 'remotes/lorenzo/pci/misc' 2019-05-13 18:34:44 -05:00
Kconfig x86/pci: Clean up usage of X86_DEV_DMA_OPS 2019-04-24 13:12:05 +02:00
Makefile
pci-aardvark.c PCI: aardvark: Fix a leaked reference by adding missing of_node_put() 2019-04-01 10:42:58 +01:00
pci-ftpci100.c
pci-host-common.c
pci-host-generic.c PCI: Fix comment typos 2019-04-13 11:17:15 -05:00
pci-hyperv.c PCI: hv: Add pci_destroy_slot() in pci_devices_present_work(), if necessary 2019-03-26 19:42:20 +00:00
pci-mvebu.c PCI: pci-bridge-emul: Extend pci_bridge_emul_init() with flags 2019-02-22 10:51:14 +00:00
pci-rcar-gen2.c
pci-tegra.c PCI: tegra: Add SW fixup for RAW violations 2019-06-20 17:21:52 +01:00
pci-thunder-ecam.c
pci-thunder-pem.c
pci-v3-semi.c
pci-versatile.c
pci-xgene-msi.c
pci-xgene.c
pcie-altera-msi.c
pcie-altera.c PCI: altera: Add Stratix 10 PCIe support 2019-03-04 12:22:03 +00:00
pcie-cadence-ep.c PCI: cadence: Remove pci_epf_linkup() from Cadence EP driver 2019-02-15 10:02:38 +00:00
pcie-cadence-host.c
pcie-cadence.c
pcie-cadence.h
pcie-iproc-bcma.c
pcie-iproc-msi.c PCI: Fix comment typos 2019-04-13 11:17:15 -05:00
pcie-iproc-platform.c
pcie-iproc.c Merge branch 'pci/iova-dma-ranges' 2019-05-13 18:34:45 -05:00
pcie-iproc.h
pcie-mediatek.c Merge branch 'remotes/lorenzo/pci/misc' 2019-05-13 18:34:44 -05:00
pcie-mobiveil.c
pcie-rcar.c Merge branch 'remotes/lorenzo/pci/rcar' 2019-05-13 18:34:42 -05:00
pcie-rockchip-ep.c PCI: rockchip: Fix rockchip_pcie_ep_assert_intx() bitwise operations 2019-04-15 10:39:26 +01:00
pcie-rockchip-host.c PCI: rockchip: Fix a leaked reference by adding missing of_node_put() 2019-04-01 10:42:24 +01:00
pcie-rockchip.c
pcie-rockchip.h
pcie-tango.c
pcie-xilinx-nwl.c PCI/MSI: Remove unused mask_msi_irq() and unmask_msi_irq() 2019-03-21 14:39:33 -05:00
pcie-xilinx.c PCI: xilinx: Check for __get_free_pages() failure 2019-03-29 16:28:20 +00:00
vmd.c x86/pci: Clean up usage of X86_DEV_DMA_OPS 2019-04-24 13:12:05 +02:00