+ Qiang
On Wed, May 15, 2024 at 09:29:20AM +0800, Slark Xiao wrote:
> At 2024-05-14 22:37:41, "Manivannan Sadhasivam" <manivannan.sadhasivam@xxxxxxxxxx> wrote:
> >On Fri, May 10, 2024 at 11:26:57AM +0800, Slark Xiao wrote:
> >> Align with Qcom SDX72, add ready timeout item for Foxconn SDX72.
> >> And also, add firehose support since SDX72.
> >>
> >> Signed-off-by: Slark Xiao <slark_xiao@xxxxxxx>
> >> ---
> >> drivers/bus/mhi/host/pci_generic.c | 31 ++++++++++++++++++++++++++++++
> >> 1 file changed, 31 insertions(+)
> >>
> >> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
> >> index 08844ee79654..0fd94c193fc6 100644
> >> --- a/drivers/bus/mhi/host/pci_generic.c
> >> +++ b/drivers/bus/mhi/host/pci_generic.c
> >> @@ -399,6 +399,8 @@ static const struct mhi_channel_config mhi_foxconn_sdx55_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),
> >> + MHI_CHANNEL_CONFIG_UL_FP(34, "FIREHOSE", 32, 0),
> >> + MHI_CHANNEL_CONFIG_DL_FP(35, "FIREHOSE", 32, 0),
> >
> >This means SDX55 is also supporting FIREHOSE channels, which is not true I
> >believe.
> Actually, I just verified it with my sdx55 and the answer is Yes. These channels
> are common settings for Qcom device which support PCIe mode. BTW, the
> default settings of Qcom and Quectel support firehose for their sdx55 products.
Qiang, can you please confirm that SDX55 supports FIREHOSE channels?
> >
> >> MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
> >> MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
> >> };
> >> @@ -419,6 +421,16 @@ static const struct mhi_controller_config modem_foxconn_sdx55_config = {
> >> .event_cfg = mhi_foxconn_sdx55_events,
> >> };
> >>
> >> +static const struct mhi_controller_config modem_foxconn_sdx72_config = {
> >> + .max_channels = 128,
> >> + .timeout_ms = 20000,
> >> + .ready_timeout_ms = 50000,
> >> + .num_channels = ARRAY_SIZE(mhi_foxconn_sdx55_channels),
> >> + .ch_cfg = mhi_foxconn_sdx55_channels,
> >> + .num_events = ARRAY_SIZE(mhi_foxconn_sdx55_events),
> >> + .event_cfg = mhi_foxconn_sdx55_events,
> >> +};
> >> +
> >> static const struct mhi_pci_dev_info mhi_foxconn_sdx24_info = {
> >> .name = "foxconn-sdx24",
> >> .config = &modem_foxconn_sdx55_config,
> >> @@ -448,6 +460,16 @@ static const struct mhi_pci_dev_info mhi_foxconn_sdx65_info = {
> >> .sideband_wake = false,
> >> };
> >>
> >> +static const struct mhi_pci_dev_info mhi_foxconn_sdx72_info = {
> >> + .name = "foxconn-sdx72",
> >> + .edl = "qcom/sdx72m/xbl_s_devprg_ns.melf",
> >
> >What is '.melf'? Is the firmware available somewhere? Did you plan to upstream
> >it to linux-firmware?
> >
> This file similar with "edl.mbn". In SDX72 product, the default "edl" file name is
> "xbl_s_devprg_ns.melf". Currently we don't plan to upstream it to linux-firmware
> since 2 reasons: 1: we share the same fold name sdx72m with qcom or other vendors
> 2: this file may be changed since sdx72 product still under developing in our side. we
> may change the base line according to QCOM release.
Then I would ask you to add support when you have a stable firmware. I do not
want to change the firmware name after some time as it will confuse users.
- Mani
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