linux-kernel - Re:Re: Re: Re: [PATCH v2 1/2] bus: mhi: host: pci_generic: Update the file path for Foxconn SDX55/SDX72

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <49726bf.a036.1919de95fdd.Coremail.slark_xiao@163.com>
Date: Thu, 29 Aug 2024 19:33:23 +0800 (CST)
From: "Slark Xiao" <slark_xiao@....com>
To: "Manivannan Sadhasivam" <manivannan.sadhasivam@...aro.org>
Cc: mhi@...ts.linux.dev, linux-arm-msm@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re:Re: Re: Re: [PATCH v2 1/2] bus: mhi: host: pci_generic: Update
 the file path for Foxconn SDX55/SDX72




At 2024-07-26 19:58:58, "Manivannan Sadhasivam" <manivannan.sadhasivam@...aro.org> wrote:
>On Fri, Jul 26, 2024 at 01:55:40PM +0800, Slark Xiao wrote:
>> 
>> At 2024-07-26 13:00:51, "Manivannan Sadhasivam" <manivannan.sadhasivam@...aro.org> wrote:
>> >On Thu, Jul 25, 2024 at 04:56:03PM +0800, Slark Xiao wrote:
>> >> 
>> >> At 2024-07-25 11:59:54, "Manivannan Sadhasivam" <manivannan.sadhasivam@...aro.org> wrote:
>> >> >On Thu, Jul 25, 2024 at 10:29:40AM +0800, Slark Xiao wrote:
>> >> >> To separate the images of Foxconn from other vendors, adding a
>> >> >> new foxconn subfolder under qcom/<platform> for edl image path.
>> >> >> And delete the fw patch since it's useless for Foxconn devices.
>> >> >> 
>> >> >> Fixes: bf30a75e6e00 ("bus: mhi: host: Add support for Foxconn SDX72 modems")
>> >> >> Signed-off-by: Slark Xiao <slark_xiao@....com>
>> >> >> ---
>> >> >> v2: change the folder path architecture
>> >> >> ---
>> >> >>  drivers/bus/mhi/host/pci_generic.c | 13 +++++--------
>> >> >>  1 file changed, 5 insertions(+), 8 deletions(-)
>> >> >> 
>> >> >> diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
>> >> >> index 14a11880bcea..f159a9dd53e7 100644
>> >> >> --- a/drivers/bus/mhi/host/pci_generic.c
>> >> >> +++ b/drivers/bus/mhi/host/pci_generic.c
>> >> >> @@ -433,8 +433,7 @@ static const struct mhi_controller_config modem_foxconn_sdx72_config = {
>> >> >>  
>> >> >>  static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = {
>> >> >>  	.name = "foxconn-sdx55",
>> >> >> -	.fw = "qcom/sdx55m/sbl1.mbn",
>> >> >> -	.edl = "qcom/sdx55m/edl.mbn",
>> >> >> +	.edl = "qcom/sdx55m/foxconn/prog_firehose_sdx55.mbn",
>> >> >
>> >> >I think you misunderstood what I suggested in earlier revision. You should add
>> >> >the Foxconn specific fw only if it is different from the qcom one. Is it really
>> >> >different for all these modems? Otherwise, what is the point of adding them?
>> >> >
>> >> >- Mani
>> >> 
>> >> >
>> >> Hi Mani,
>> >> Yes, all programer files are different with default. We add a sign step for each image
>> >> file. That means other vendor's edl image(including Qualcomm) can't be applied for
>> >> Foxconn devices. 
>> >> 
>> >
>> >Gotcha. Please include this info in the commit message as people may wonder what
>> >the difference between yours and qcom.
>> 
>> >
>> If possible, pelase help me add it into my commit message.
>> 
>
>Ok. I can add this while applying.

Hi Mani,
Could you help merge this into mhi-next? I saw you just applied some other changes.
So I think the merge window should be opened.

Thanks
>
>> 
>> >Unrelated question to this patch: Once the EDL is programmed, what are the
>> >images that the user has to flash using Firehose protocol? Is that the full SDK
>> >or just SBL/APPS image?
>> >
>> 
>> >If so, what is the size of the images?
>> 
>> 
>> This depends on a raw file, let's take SDX65 as an example. The file 
>> rawprogram_nand_p4K_b256K.xml contains below items:
>> .....
>> <erase PAGES_PER_BLOCK="64" SECTOR_SIZE_IN_BYTES="4096" num_partition_sectors="640" start_sector="0"/>
>> <program PAGES_PER_BLOCK="64" SECTOR_SIZE_IN_BYTES="4096" filename="xbl.elf.enc" label="sbl" last_sector="639" num_partition_sectors="640" physical_partition_number="0" start_sector="0"/>
>> .....
>> <erase PAGES_PER_BLOCK="64" SECTOR_SIZE_IN_BYTES="4096" num_partition_sectors="27456" start_sector="16512"/>
>>   <program PAGES_PER_BLOCK="64" SECTOR_SIZE_IN_BYTES="4096" filename="NON-HLOS.ubi.enc" label="modem" last_sector="43967" num_partition_sectors="27456" physical_partition_number="0" start_sector="16512"/>
>> ...
>> 
>> 
>> This file contains 2 part, "erase" and "program".
>> erase will tell the tool to erase the partition from sector x to y.
>> And "program" will tell the tool to flash the file into that partion which start from sector m to n.
>> 
>> 
>> So the logical is, full SDK or just one or some partitions are flashed depends on this raw file.
>> Normally, full SDK is the main scenario. And the size is about 150MB to 200MB.
>> Thanks. 
>> 
>
>Okay, thanks. I just wanted to understand what images are getting flashed.
>
>- Mani
>
>> >
>> >- Mani
>> >
>> >> >>  	.config = &modem_foxconn_sdx55_config,
>> >> >>  	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
>> >> >>  	.dma_data_width = 32,
>> >> >> @@ -444,8 +443,7 @@ static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = {
>> >> >>  
>> >> >>  static const struct mhi_pci_dev_info mhi_foxconn_t99w175_info = {
>> >> >>  	.name = "foxconn-t99w175",
>> >> >> -	.fw = "qcom/sdx55m/sbl1.mbn",
>> >> >> -	.edl = "qcom/sdx55m/edl.mbn",
>> >> >> +	.edl = "qcom/sdx55m/foxconn/prog_firehose_sdx55.mbn",
>> >> >>  	.config = &modem_foxconn_sdx55_config,
>> >> >>  	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
>> >> >>  	.dma_data_width = 32,
>> >> >> @@ -455,8 +453,7 @@ static const struct mhi_pci_dev_info mhi_foxconn_t99w175_info = {
>> >> >>  
>> >> >>  static const struct mhi_pci_dev_info mhi_foxconn_dw5930e_info = {
>> >> >>  	.name = "foxconn-dw5930e",
>> >> >> -	.fw = "qcom/sdx55m/sbl1.mbn",
>> >> >> -	.edl = "qcom/sdx55m/edl.mbn",
>> >> >> +	.edl = "qcom/sdx55m/foxconn/prog_firehose_sdx55.mbn",
>> >> >>  	.config = &modem_foxconn_sdx55_config,
>> >> >>  	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
>> >> >>  	.dma_data_width = 32,
>> >> >> @@ -502,7 +499,7 @@ static const struct mhi_pci_dev_info mhi_foxconn_dw5932e_info = {
>> >> >>  
>> >> >>  static const struct mhi_pci_dev_info mhi_foxconn_t99w515_info = {
>> >> >>  	.name = "foxconn-t99w515",
>> >> >> -	.edl = "fox/sdx72m/edl.mbn",
>> >> >> +	.edl = "qcom/sdx72m/foxconn/edl.mbn",
>> >> >>  	.edl_trigger = true,
>> >> >>  	.config = &modem_foxconn_sdx72_config,
>> >> >>  	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
>> >> >> @@ -513,7 +510,7 @@ static const struct mhi_pci_dev_info mhi_foxconn_t99w515_info = {
>> >> >>  
>> >> >>  static const struct mhi_pci_dev_info mhi_foxconn_dw5934e_info = {
>> >> >>  	.name = "foxconn-dw5934e",
>> >> >> -	.edl = "fox/sdx72m/edl.mbn",
>> >> >> +	.edl = "qcom/sdx72m/foxconn/edl.mbn",
>> >> >>  	.edl_trigger = true,
>> >> >>  	.config = &modem_foxconn_sdx72_config,
>> >> >>  	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
>> >> >> -- 
>> >> >> 2.25.1
>> >> >> 
>> >> >
>> >> >-- 
>> >> >மணிவண்ணன் சதாசிவம்
>> >
>> >-- 
>> >மணிவண்ணன் சதாசிவம்
>
>-- 
>மணிவண்ணன் சதாசிவம்