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FMC DEL 1ns 4cha - Software
Commit 4f689e00 authored by Alessandro Rubini's avatar Alessandro Rubini
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fd-core: add sdb support and show_sdb parameter 

Signed-off-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
parent 5118aaac
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Showing with 24 additions and 1 deletion
fd-core.c
View file @ 4f689e00
......@@ -36,6 +36,11 @@ static struct fmc_driver fd_drv; /* forward declaration */
FMC_PARAM_BUSID(fd_drv);
FMC_PARAM_GATEWARE(fd_drv);
static int fd_show_sdb;
module_param_named(show_sdb, fd_show_sdb, int, 0444);
/* FIXME: add parameters "file=" and "wrc=" like wr-nic-core does */
/* This is pre-set at load time (data by Tomasz) */
static struct fd_calib fd_default_calib = {
.frr_poly = {
......@@ -138,6 +143,7 @@ int fd_probe(struct fmc_device *fmc)
struct fd_modlist *m;
struct spec_fd *fd;
struct spec_dev *spec;
struct device *dev = fmc->hwdev;
char *fwname;
int i, index, ret;
......@@ -175,13 +181,29 @@ int fd_probe(struct fmc_device *fmc)
return ret; /* other error: pass over */
}
/* FIXME: factorize the following stuff */
/* Verify that we have SDB at offset 0 */
if (fmc_readl(fmc, 0) != 0x5344422d) {
dev_err(dev, "Can't find SDB magic\n");
ret = -ENODEV;
goto out;
}
dev_info(dev, "Gateware successfully loaded\n");
if ( (ret = fmc_scan_sdb_tree(fmc, 0)) < 0) {
dev_err(dev, "scan fmc failed %i\n", ret);
goto out;
}
if (fd_show_sdb)
fmc_show_sdb_tree(fmc);
spec = fmc->carrier_data;
spin_lock_init(&fd->lock);
fmc->mezzanine_data = fd;
fd->fmc = fmc;
/* FIXME: don't use base below, but fmc_readl/fmc_writel */
fd->regs = fmc->base + 0x80000; /* FIXME: check this 80000 */
fd->regs = fmc->base + 0x80000; /* sdb_find_device(cern, f19ede1a) */
fd->ow_regs = fd->regs + 0x500;
fd->verbose = fd_verbose;
fd->calib = fd_default_calib;
......@@ -232,6 +254,7 @@ err:
while (--m, --i >= 0)
if (m->exit)
m->exit(fd);
out:
return ret;
}
......
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