Skip to content

F
FMC DEL 1ns 4cha - Software
Commit bdf35d21 authored by Federico Vaga's avatar Federico Vaga
Browse files
Options

kernel: program FPGA only when GOLDEN is there or user ask for it 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 4c4d6160
Hide whitespace changes
Inline Side-by-side
Showing with 36 additions and 17 deletions
kernel/fd-core.c
View file @ bdf35d21
......@@ -151,25 +151,44 @@ int fd_probe(struct fmc_device *fmc)
return -ENOMEM;
}
fwname = "";
if (!strcmp(fmc->carrier_name, "SVEC"))
fwname = FDELAY_GATEWARE_NAME_SVEC;
else if (!strcmp(fmc->carrier_name, "SPEC"))
fwname = FDELAY_GATEWARE_NAME_SPEC;
if (fd_drv.gw_n)
fwname = ""; /* reprogram will pick from module parameter */
ret = fmc_reprogram(fmc, &fd_drv, fwname, 0 /* SDB entry point */);
if (ret < 0) {
if (ret == -ESRCH) {
dev_info(dev, "%s: no gateware at index %i\n",
KBUILD_MODNAME, index);
return -ENODEV;
/*
* If the carrier is still using the golden bitstream or the user is
* asking for a particular one, then program our bistream, otherwise
* we already have our bitstream
*/
if (fmc->flags & FMC_DEVICE_HAS_GOLDEN || fd_drv.gw_n) {
if (fd_drv.gw_n)
fwname = ""; /* reprogram will pick from module parameter */
else if (!strcmp(fmc->carrier_name, "SVEC"))
fwname = FDELAY_GATEWARE_NAME_SVEC;
else if (!strcmp(fmc->carrier_name, "SPEC"))
fwname = FDELAY_GATEWARE_NAME_SPEC;
dev_info(fmc->hwdev, "Gateware (%s)\n", fwname);
/* We first write a new binary (and lm32) within the carrier */
ret = fmc_reprogram(fmc, &fd_drv, fwname, 0 /* SDB entry point */);
if (ret < 0) {
dev_err(fmc->hwdev, "write firmware \"%s\": error %i\n",
fwname, ret);
if (ret == -ESRCH) {
dev_info(fmc->hwdev, "%s: no gateware at index %i\n",
KBUILD_MODNAME, index);
return -ENODEV;
}
return ret;
}
return ret; /* other error: pass over */
dev_info(fmc->hwdev, "Gateware successfully loaded\n");
} else {
dev_info(fmc->hwdev,
"Gateware already there. Set the \"gateware\" parameter to overwrite the current gateware\n");
}
ret = fmc_scan_sdb_tree(fmc, 0);
if (ret == -EBUSY) {
/* Not a problem, it's already there. We assume that
it's the correct one */
ret = 0;
}
dev_dbg(dev, "Gateware successfully loaded\n");
/* Now use SDB to find the base addresses */
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment