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PCI: dwc: Add support to enable CDM register check

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Add support to enable CDM (Configuration Dependent Module) register
check for any data corruption based on the DT property
'snps,enable-cdm-check'.

Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Acked-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
This commit is contained in:
Vidya Sagar
2019-08-13 17:06:22 +05:30
committed by Lorenzo Pieralisi
parent f4e84a5d9d
commit 07f123def7
2 changed files with 16 additions and 0 deletions
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9
drivers/pci/controller/dwc/pcie-designware.h
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@@ -86,6 +86,15 @@
#define PCIE_MISC_CONTROL_1_OFF 0x8BC
#define PCIE_DBI_RO_WR_EN BIT(0)
#define PCIE_PL_CHK_REG_CONTROL_STATUS 0xB20
#define PCIE_PL_CHK_REG_CHK_REG_START BIT(0)
#define PCIE_PL_CHK_REG_CHK_REG_CONTINUOUS BIT(1)
#define PCIE_PL_CHK_REG_CHK_REG_COMPARISON_ERROR BIT(16)
#define PCIE_PL_CHK_REG_CHK_REG_LOGIC_ERROR BIT(17)
#define PCIE_PL_CHK_REG_CHK_REG_COMPLETE BIT(18)
#define PCIE_PL_CHK_REG_ERR_ADDR 0xB28
/*
* iATU Unroll-specific register definitions
* From 4.80 core version the address translation will be made by unroll