diff options
| author | Loic Poulain <loic.poulain@linaro.org> | 2021-02-18 09:16:57 +0100 |
|---|---|---|
| committer | Loic Poulain <loic.poulain@linaro.org> | 2021-02-18 09:16:57 +0100 |
| commit | 1e0d98bf8d65cbe163d6aa4bac3dcc2f300edba4 (patch) | |
| tree | fd85458cb83962998684c28a2d7d578132caa88e | |
| parent | be7beba69f823c4fb6a1d2080f9fe721ee1e4ab6 (diff) | |
mhi: pci_generic: Add FIREHOSE channels
When device enter flash programmer context (FP), it exposes firehose
protocol through the EDL dedicated channels.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
| -rw-r--r-- | drivers/bus/mhi/pci_generic.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c index 42b395231a42..e083003f3546 100644 --- a/drivers/bus/mhi/pci_generic.c +++ b/drivers/bus/mhi/pci_generic.c @@ -144,6 +144,36 @@ struct mhi_pci_dev_info { .doorbell_mode_switch = false, \ } +#define MHI_CHANNEL_CONFIG_UL_FP(ch_num, ch_name, el_count, ev_ring) \ + { \ + .num = ch_num, \ + .name = ch_name, \ + .num_elements = el_count, \ + .event_ring = ev_ring, \ + .dir = DMA_TO_DEVICE, \ + .ee_mask = BIT(MHI_EE_FP), \ + .pollcfg = 0, \ + .doorbell = MHI_DB_BRST_DISABLE, \ + .lpm_notify = false, \ + .offload_channel = false, \ + .doorbell_mode_switch = false, \ + } \ + +#define MHI_CHANNEL_CONFIG_DL_FP(ch_num, ch_name, el_count, ev_ring) \ + { \ + .num = ch_num, \ + .name = ch_name, \ + .num_elements = el_count, \ + .event_ring = ev_ring, \ + .dir = DMA_FROM_DEVICE, \ + .ee_mask = BIT(MHI_EE_FP), \ + .pollcfg = 0, \ + .doorbell = MHI_DB_BRST_DISABLE, \ + .lpm_notify = false, \ + .offload_channel = false, \ + .doorbell_mode_switch = false, \ + } + #define MHI_EVENT_CONFIG_DATA(ev_ring, el_count) \ { \ .num_elements = el_count, \ @@ -223,6 +253,9 @@ static const struct mhi_channel_config mhi_quectel_em1xx_channels[] = { MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0), MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0), MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0), + /* The EDL firmware is a flash-programmer exposing firehose protocol */ + MHI_CHANNEL_CONFIG_UL_FP(34, "FIREHOSE", 32, 0), + MHI_CHANNEL_CONFIG_DL_FP(35, "FIREHOSE", 32, 0), MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2), MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3), }; @@ -245,7 +278,7 @@ static struct mhi_controller_config modem_quectel_em1xx_config = { static const struct mhi_pci_dev_info mhi_quectel_em1xx_info = { .name = "quectel-em1xx", - .edl = "quectel/prog_firehose_sdx24.mbn", + .edl = "qcom/prog_firehose_sdx24.mbn", .config = &modem_quectel_em1xx_config, .bar_num = MHI_PCI_DEFAULT_BAR_NUM, .dma_data_width = 32 |