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This IP enables 64 Read and 64 Write Channels. Adding the relevant dw_edma_pcie_data to use 8 Read and 8 Write Channels for initial commit. Signed-off-by: Devendra K Verma --- drivers/dma/dw-edma/dw-edma-pcie.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c b/drivers/dma/dw-edma/dw-edma-pcie.c index 0b30ce138503..4ba368d18cb1 100644 --- a/drivers/dma/dw-edma/dw-edma-pcie.c +++ b/drivers/dma/dw-edma/dw-edma-pcie.c @@ -27,6 +27,7 @@ /* AMD MDB (Xilinx) specific defines */ #define PCI_DEVICE_ID_XILINX_B054 0xb054 +#define PCI_DEVICE_ID_XILINX_B00F 0xb00f #define DW_PCIE_XILINX_MDB_VSEC_DMA_ID 0x6 #define DW_PCIE_XILINX_MDB_VSEC_ID 0x20 @@ -125,6 +126,19 @@ static const struct dw_edma_pcie_data xilinx_mdb_data = { .rd_ch_cnt = 8, }; +static const struct dw_edma_pcie_data xilinx_cpm6_dma_data = { + /* MDB registers location */ + .rg.bar = BAR_0, + .rg.off = SZ_4K, /* 4 Kbytes */ + .rg.sz = SZ_8K, /* 8 Kbytes */ + + /* Other */ + .mf = EDMA_MF_HDMA_NATIVE, + .irqs = 1, + .wr_ch_cnt = 8, + .rd_ch_cnt = 8, +}; + static void dw_edma_set_chan_region_offset(struct dw_edma_pcie_data *pdata, enum pci_barno bar, off_t start_off, off_t ll_off_gap, size_t ll_size, @@ -547,6 +561,8 @@ static const struct pci_device_id dw_edma_pcie_id_table[] = { { PCI_DEVICE_DATA(SYNOPSYS, EDDA, &snps_edda_data) }, { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_XILINX_B054), (kernel_ulong_t)&xilinx_mdb_data }, + { PCI_VDEVICE(XILINX, PCI_DEVICE_ID_XILINX_B00F), + (kernel_ulong_t)&xilinx_cpm6_dma_data }, { } }; MODULE_DEVICE_TABLE(pci, dw_edma_pcie_id_table); -- 2.43.0