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fpga: zynqmp: add bitstream compatible checking

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Check whether the FPGA ZynqMP driver supports the given bitstream
image type.

Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
Tested-by: Ricardo Salveti <ricardo@foundries.io>
Tested-by: Adrian Fiergolski <adrian.fiergolski@fastree3d.com>
Link: https://lore.kernel.org/r/20220722141614.297383-12-oleksandr.suvorov@foundries.io
Signed-off-by: Michal Simek <michal.simek@amd.com>
This commit is contained in:
Oleksandr Suvorov 2022-07-22 17:16:12 +03:00 committed by Michal Simek
parent fcd91cb782
commit 5ab6a84634
1 changed files with 34 additions and 0 deletions
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34
drivers/fpga/zynqmppl.c
View file

@ -199,6 +199,28 @@ static int zynqmp_validate_bitstream(xilinx_desc *desc, const void *buf,
return 0;
}
#if CONFIG_IS_ENABLED(FPGA_LOAD_SECURE)
static int zynqmp_check_compatible(xilinx_desc *desc, int flags)
{
/* If no flags set, the image is legacy */
if (!flags)
return 0;
/* For legacy bitstream images no need for other methods exist */
if ((flags & desc->flags) && flags == FPGA_LEGACY)
return 0;
/*
* Other images are handled in secure callback loads(). Check
* callback existence besides image type support.
*/
if (desc->operations->loads && (flags & desc->flags))
return 0;
return FPGA_FAIL;
}
#endif
static int zynqmp_load(xilinx_desc *desc, const void *buf, size_t bsize,
bitstream_type bstype, int flags)
{
@ -210,6 +232,18 @@ static int zynqmp_load(xilinx_desc *desc, const void *buf, size_t bsize,
u32 bsize_req = (u32)bsize;
u32 ret_payload[PAYLOAD_ARG_CNT];
#if CONFIG_IS_ENABLED(FPGA_LOAD_SECURE)
ret = zynqmp_check_compatible(desc, flags);
if (ret) {
if (ret != -ENODATA) {
puts("Missing loads() operation or unsupported bitstream type\n");
return FPGA_FAIL;
}
/* If flags is not set, the image treats as legacy */
flags = FPGA_LEGACY;
}
#endif
if (zynqmp_firmware_version() <= PMUFW_V1_0) {
puts("WARN: PMUFW v1.0 or less is detected\n");
puts("WARN: Not all bitstream formats are supported\n");