| Message ID | 1697023109-23671-4-git-send-email-quic_msarkar@quicinc.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | arm64: qcom: sa8775p: add support for EP PCIe | expand |
On 11/10/2023 13:18, Mrinmay Sarkar wrote: > Add support for Qualcomm Snapdragon SA8775P SoC to the EPF driver. > SA8775P has the PID (0x0306) and supports HDMA. Currently, it has > no fixed PCI class, so it is being advertised as "PCI_CLASS_OTHERS". > > Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com> > --- > drivers/pci/endpoint/functions/pci-epf-mhi.c | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/drivers/pci/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c > index b7b9d3e..f05c2e4 100644 > --- a/drivers/pci/endpoint/functions/pci-epf-mhi.c > +++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c > @@ -114,6 +114,22 @@ static const struct pci_epf_mhi_ep_info sm8450_info = { > .flags = MHI_EPF_USE_DMA, > }; > > +static const struct pci_epf_header sa8775p_header = { > + .vendorid = PCI_VENDOR_ID_QCOM, > + .deviceid = 0x0306, > + .baseclass_code = PCI_CLASS_OTHERS, > + .interrupt_pin = PCI_INTERRUPT_INTA, > +}; > + > +static const struct pci_epf_mhi_ep_info sa8775p_info = { > + .config = &mhi_v1_config, > + .epf_header = &sa8775p_header, > + .bar_num = BAR_0, > + .epf_flags = PCI_BASE_ADDRESS_MEM_TYPE_32, > + .msi_count = 32, > + .mru = 0x8000, This is almost the same (minus MHI_EPF_USE_DMA) as sm8450. Are you sure these are not compatible? Best regards, Krzysztof
diff --git a/drivers/pci/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c index b7b9d3e..f05c2e4 100644 --- a/drivers/pci/endpoint/functions/pci-epf-mhi.c +++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c @@ -114,6 +114,22 @@ static const struct pci_epf_mhi_ep_info sm8450_info = { .flags = MHI_EPF_USE_DMA, }; +static const struct pci_epf_header sa8775p_header = { + .vendorid = PCI_VENDOR_ID_QCOM, + .deviceid = 0x0306, + .baseclass_code = PCI_CLASS_OTHERS, + .interrupt_pin = PCI_INTERRUPT_INTA, +}; + +static const struct pci_epf_mhi_ep_info sa8775p_info = { + .config = &mhi_v1_config, + .epf_header = &sa8775p_header, + .bar_num = BAR_0, + .epf_flags = PCI_BASE_ADDRESS_MEM_TYPE_32, + .msi_count = 32, + .mru = 0x8000, +}; + struct pci_epf_mhi { const struct pci_epc_features *epc_features; const struct pci_epf_mhi_ep_info *info; @@ -677,6 +693,7 @@ static int pci_epf_mhi_probe(struct pci_epf *epf, } static const struct pci_epf_device_id pci_epf_mhi_ids[] = { + { .name = "sa8775p", .driver_data = (kernel_ulong_t)&sa8775p_info }, { .name = "sdx55", .driver_data = (kernel_ulong_t)&sdx55_info }, { .name = "sm8450", .driver_data = (kernel_ulong_t)&sm8450_info }, {},
Add support for Qualcomm Snapdragon SA8775P SoC to the EPF driver. SA8775P has the PID (0x0306) and supports HDMA. Currently, it has no fixed PCI class, so it is being advertised as "PCI_CLASS_OTHERS". Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com> --- drivers/pci/endpoint/functions/pci-epf-mhi.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)