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fpga: xilinx: Add option to skip bitstream ID check

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Add environment variable 'fpga_skip_idcheck' that when set to '1' or
'y' allows bypassing the device ID validation during bitstream loading.
This is useful for loading bitstreams on devices whose ID codes are not
yet recorded in the SOC driver.

Usage: setenv fpga_skip_idcheck 1
  fpga loadb 0 ${loadaddr} ${filesize}

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/d0f11d0a8d48b284683f00d20dfbe323c11f2943.1776360720.git.michal.simek@amd.com
This commit is contained in:
Michal Simek 2026-04-16 19:32:02 +02:00
parent 89c269154b
commit 8669c34566
1 changed files with 6 additions and 1 deletions
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7
drivers/fpga/xilinx.c
View File

@ -11,6 +11,7 @@
* Xilinx FPGA support
*/
#include <env.h>
#include <fpga.h>
#include <log.h>
#include <virtex2.h>
@ -92,7 +93,11 @@ int fpga_loadbitstream(int devnum, char *fpgadata, size_t size,
__func__);
printf("%s: Bitstream ID %s, current device ID %d/%s\n",
__func__, dataptr, devnum, xdesc->name);
return FPGA_FAIL;
if (!CONFIG_IS_ENABLED(ENV_SUPPORT) ||
env_get_yesno("fpga_skip_idcheck") != 1)
return FPGA_FAIL;
printf("%s: Skipping ID check\n", __func__);
}
} else {
printf("%s: Please fill correct device ID to xilinx_desc\n",