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| author | Serge Semin <Sergey.Semin@baikalelectronics.ru> | 2022-06-24 16:39:37 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2022-08-01 22:02:36 +0200 |
| commit | 0b0a780d52ad2bd51e4e154c190abcfed43e33bb (patch) | |
| tree | 04b89e42417eb8a74cc6f0ca907526863959b006 /drivers/pci/controller/dwc/pcie-designware.h | |
| parent | PCI: dwc: Read DWC IP core version from register (diff) | |
| download | linux-0b0a780d52ad2bd51e4e154c190abcfed43e33bb.tar.xz linux-0b0a780d52ad2bd51e4e154c190abcfed43e33bb.zip | |
PCI: dwc: Add macros to compare Synopsys IP core versions
Add macros to compare DWC IP core versions:
dw_pcie_ver_is()
dw_pcie_ver_is_ge()
dw_pcie_ver_type_is()
dw_pcie_ver_type_is_ge()
These are along the lines of DWC3_VER_IS() and dw_spi_ver_is().
[bhelgaas: commit log]
Link: https://lore.kernel.org/r/20220624143947.8991-6-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-designware.h')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index 7899808bdbc6..d247f227464c 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -28,6 +28,21 @@ #define DW_PCIE_VER_490A 0x3439302a #define DW_PCIE_VER_520A 0x3532302a +#define __dw_pcie_ver_cmp(_pci, _ver, _op) \ + ((_pci)->version _op DW_PCIE_VER_ ## _ver) + +#define dw_pcie_ver_is(_pci, _ver) __dw_pcie_ver_cmp(_pci, _ver, ==) + +#define dw_pcie_ver_is_ge(_pci, _ver) __dw_pcie_ver_cmp(_pci, _ver, >=) + +#define dw_pcie_ver_type_is(_pci, _ver, _type) \ + (__dw_pcie_ver_cmp(_pci, _ver, ==) && \ + __dw_pcie_ver_cmp(_pci, TYPE_ ## _type, ==)) + +#define dw_pcie_ver_type_is_ge(_pci, _ver, _type) \ + (__dw_pcie_ver_cmp(_pci, _ver, ==) && \ + __dw_pcie_ver_cmp(_pci, TYPE_ ## _type, >=)) + /* Parameters for the waiting for link up routine */ #define LINK_WAIT_MAX_RETRIES 10 #define LINK_WAIT_USLEEP_MIN 90000 |