diff options
| author | Vidya Sagar <vidyas@nvidia.com> | 2022-07-21 17:20:45 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2022-07-23 01:14:56 +0300 |
| commit | 997b99e3b386bde1d519d39f5276b10c67a8f172 (patch) | |
| tree | 195c431f903546640bc60bcda017c83c4fee23df /drivers/pci/controller/dwc/pcie-designware.h | |
| parent | f1ab409d5787528fbf46dd80a132f2c4d6a2c6d8 (diff) | |
| download | linux-997b99e3b386bde1d519d39f5276b10c67a8f172.tar.xz | |
PCI: tegra194: Find RAS DES PCIe capability offset
Find RAS DES PCIe capability offset instead of hardcoding the offset
for each controller.
Link: https://lore.kernel.org/r/20220721142052.25971-10-vidyas@nvidia.com
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-designware.h')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index 7d6e9b7576be..56d93e67a964 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -131,6 +131,25 @@ #define PCIE_ATU_UNR_UPPER_LIMIT 0x20 /* + * RAS-DES register definitions + */ +#define PCIE_RAS_DES_EVENT_COUNTER_CONTROL 0x8 +#define EVENT_COUNTER_ALL_CLEAR 0x3 +#define EVENT_COUNTER_ENABLE_ALL 0x7 +#define EVENT_COUNTER_ENABLE_SHIFT 2 +#define EVENT_COUNTER_EVENT_SEL_MASK GENMASK(7, 0) +#define EVENT_COUNTER_EVENT_SEL_SHIFT 16 +#define EVENT_COUNTER_EVENT_Tx_L0S 0x2 +#define EVENT_COUNTER_EVENT_Rx_L0S 0x3 +#define EVENT_COUNTER_EVENT_L1 0x5 +#define EVENT_COUNTER_EVENT_L1_1 0x7 +#define EVENT_COUNTER_EVENT_L1_2 0x8 +#define EVENT_COUNTER_GROUP_SEL_SHIFT 24 +#define EVENT_COUNTER_GROUP_5 0x5 + +#define PCIE_RAS_DES_EVENT_COUNTER_DATA 0xc + +/* * The default address offset between dbi_base and atu_base. Root controller * drivers are not required to initialize atu_base if the offset matches this * default; the driver core automatically derives atu_base from dbi_base using |