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net: wwan: iosm: correct devlink extra params

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1. Removed driver specific extra params like download_region,
   address & region_count. The required information is passed
   as part of flash API.
2. IOSM Devlink documentation updated to reflect the same.

Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
M Chetan Kumar
2021-10-02 20:02:12 +05:30
committed by David S. Miller
parent e9637775c0
commit b8aa16541d
4 changed files with 75 additions and 124 deletions
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32
Documentation/networking/devlink/iosm.rst
View File

@@ -26,23 +26,6 @@ The ``iosm`` driver implements the following driver-specific parameters.
the device during firmware flashing.
If set, Full nand erase command will be sent to the device. By default,
only conditional erase support is enabled.
* - ``download_region``
- u8
- runtime
- download_region parameter is used to identify if we are flashing the
loadmap/region file during the firmware flashing.
* - ``address``
- u32
- runtime
- address parameter is used to send the address information of the
loadmap/region file which is required during the firmware flashing
process. Each region file has be flashed to its respective flash address.
* - ``region_count``
- u8
- runtime
- region_count parameter is used to inform the driver on how many total
loadmap/region files are present in modem firmware image that has to be
flashed.
Flash Update
@@ -87,7 +70,7 @@ Flash Commands:
1) When modem is in Boot ROM stage, user can use below command to inject PSI RAM
image using devlink flash command.
$ devlink dev flash pci/0000:02:00.0 file <PSI_RAM_File_name> component PSI
$ devlink dev flash pci/0000:02:00.0 file <PSI_RAM_File_name>
2) If user want to do a full erase, below command need to be issued to set the
erase full flash param (To be set only if full erase required).
@@ -95,22 +78,19 @@ erase full flash param (To be set only if full erase required).
$ devlink dev param set pci/0000:02:00.0 name erase_full_flash value true cmode runtime
3) Inject EBL after the modem is in PSI stage.
$ devlink dev flash pci/0000:02:00.0 file <EBL_File_name> component EBL
$ devlink dev flash pci/0000:02:00.0 file <EBL_File_name>
4) Once EBL is injected successfully, then the actual firmware flashing takes
place. Below is the sequence of commands used for each of the firmware images.
a) Flash secure bin file.
$ devlink dev flash pci/0000:02:00.0 file <Secure_bin_file_name> component FLS
$ devlink dev flash pci/0000:02:00.0 file <Secure_bin_file_name>
b) Flashing the Loadmap/Region file
$ devlink dev param set pci/0000:02:00.0 name region_count value 1 cmode runtime
$ devlink dev param set pci/0000:02:00.0 name download_region value true cmode runtime
$ devlink dev param set pci/0000:02:00.0 name address value <Nand_address> cmode runtime
$ devlink dev flash pci/0000:02:00.0 file <Load_map_file_name> component FLS
$ devlink dev flash pci/0000:02:00.0 file <Load_map_file_name>
Regions
=======