Unverified Commit 8ab8a316 authored by Manivannan Sadhasivam's avatar Manivannan Sadhasivam Committed by Krzysztof Wilczyński
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PCI: epf-mhi: Add support for SM8450 

Add support for Qualcomm Snapdragon SM8450 SoC to the EPF driver. SM8450
has the dedicated PID (0x0306) and supports eDMA. Currently, it has no
fixed PCI class, so it is being advertised as "PCI_CLASS_OTHERS".

Link: https://lore.kernel.org/linux-pci/20230717065459.14138-6-manivannan.sadhasivam@linaro.org


Signed-off-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: default avatarKrzysztof Wilczyński <kwilczynski@kernel.org>
parent 7b99aaad

drivers/pci/endpoint/functions/pci-epf-mhi.c

+19 −3
Original line number Diff line number Diff line
@@ -97,6 +97,23 @@ static const struct pci_epf_mhi_ep_info sdx55_info = { 
	.mru = 0x8000,

};



static struct pci_epf_header sm8450_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 sm8450_info = {

	.config = &mhi_v1_config,

	.epf_header = &sm8450_header,

	.bar_num = BAR_0,

	.epf_flags = PCI_BASE_ADDRESS_MEM_TYPE_32,

	.msi_count = 32,

	.mru = 0x8000,

	.flags = MHI_EPF_USE_DMA,

};



struct pci_epf_mhi {

	const struct pci_epc_features *epc_features;

	const struct pci_epf_mhi_ep_info *info;
@@ -654,9 +671,8 @@ static int pci_epf_mhi_probe(struct pci_epf *epf, 
}



static const struct pci_epf_device_id pci_epf_mhi_ids[] = {

	{

		.name = "sdx55", .driver_data = (kernel_ulong_t)&sdx55_info,

	},

	{ .name = "sdx55", .driver_data = (kernel_ulong_t)&sdx55_info },

	{ .name = "sm8450", .driver_data = (kernel_ulong_t)&sm8450_info },

	{},

};