diff options
| -rw-r--r-- | target/linux/generic/backport-5.15/780-v5.16-bus-mhi-pci_generic-Introduce-Sierra-EM919X-support.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/780-v5.16-bus-mhi-pci_generic-Introduce-Sierra-EM919X-support.patch b/target/linux/generic/backport-5.15/780-v5.16-bus-mhi-pci_generic-Introduce-Sierra-EM919X-support.patch new file mode 100644 index 0000000000..47a123494e --- /dev/null +++ b/target/linux/generic/backport-5.15/780-v5.16-bus-mhi-pci_generic-Introduce-Sierra-EM919X-support.patch @@ -0,0 +1,61 @@ +Index: linux-5.15.58/drivers/bus/mhi/pci_generic.c +=================================================================== +--- linux-5.15.58.orig/drivers/bus/mhi/pci_generic.c ++++ linux-5.15.58/drivers/bus/mhi/pci_generic.c +@@ -406,6 +406,46 @@ static const struct mhi_pci_dev_info mhi + .mru_default = 32768, + }; + ++static const struct mhi_channel_config mhi_sierra_em919x_channels[] = { ++ MHI_CHANNEL_CONFIG_UL_SBL(2, "SAHARA", 32, 0), ++ MHI_CHANNEL_CONFIG_DL_SBL(3, "SAHARA", 256, 0), ++ MHI_CHANNEL_CONFIG_UL(4, "DIAG", 32, 0), ++ MHI_CHANNEL_CONFIG_DL(5, "DIAG", 32, 0), ++ MHI_CHANNEL_CONFIG_UL(12, "MBIM", 128, 0), ++ MHI_CHANNEL_CONFIG_DL(13, "MBIM", 128, 0), ++ MHI_CHANNEL_CONFIG_UL(14, "QMI", 32, 0), ++ MHI_CHANNEL_CONFIG_DL(15, "QMI", 32, 0), ++ MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0), ++ MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0), ++ MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0", 512, 1), ++ MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0", 512, 2), ++}; ++ ++static struct mhi_event_config modem_sierra_em919x_mhi_events[] = { ++ /* first ring is control+data and DIAG ring */ ++ MHI_EVENT_CONFIG_CTRL(0, 2048), ++ /* Hardware channels request dedicated hardware event rings */ ++ MHI_EVENT_CONFIG_HW_DATA(1, 2048, 100), ++ MHI_EVENT_CONFIG_HW_DATA(2, 2048, 101) ++}; ++ ++static const struct mhi_controller_config modem_sierra_em919x_config = { ++ .max_channels = 128, ++ .timeout_ms = 24000, ++ .num_channels = ARRAY_SIZE(mhi_sierra_em919x_channels), ++ .ch_cfg = mhi_sierra_em919x_channels, ++ .num_events = ARRAY_SIZE(modem_sierra_em919x_mhi_events), ++ .event_cfg = modem_sierra_em919x_mhi_events, ++}; ++ ++static const struct mhi_pci_dev_info mhi_sierra_em919x_info = { ++ .name = "sierra-em919x", ++ .config = &modem_sierra_em919x_config, ++ .bar_num = MHI_PCI_DEFAULT_BAR_NUM, ++ .dma_data_width = 32, ++ .sideband_wake = false, ++}; ++ + static const struct mhi_channel_config mhi_telit_fn980_hw_v1_channels[] = { + MHI_CHANNEL_CONFIG_UL(14, "QMI", 32, 0), + MHI_CHANNEL_CONFIG_DL(15, "QMI", 32, 0), +@@ -480,6 +520,9 @@ static const struct mhi_pci_dev_info mhi + }; + + static const struct pci_device_id mhi_pci_id_table[] = { ++ /* EM919x (sdx55), use the same vid:pid as qcom-sdx55m */ ++ { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0306, 0x18d7, 0x0200), ++ .driver_data = (kernel_ulong_t) &mhi_sierra_em919x_info }, + /* Telit FN980 hardware revision v1 */ + { PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0306, 0x1C5D, 0x2000), + .driver_data = (kernel_ulong_t) &mhi_telit_fn980_hw_v1_info }, |