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Software for White Rabbit PTP Core
Commit d8d04504 authored by Alessandro Rubini's avatar Alessandro Rubini
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tools/wrpc-uart-sw: support old spec identifiers too 

Signed-off-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
parent ecb40265
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Showing with 24 additions and 16 deletions
tools/wrpc-uart-sw.c
View file @ d8d04504
......@@ -28,8 +28,6 @@
/*
* The following parameters match the spec, but can be changed on env/cmdline
*/
#define DEFAULT_VENDOR 0x10dc /* CERN */
#define DEFAULT_DEVICE 0x018d /* SPEC */
#define DEFAULT_BUS -1 /* all */
#define DEFAULT_BAR 0 /* first bar */
#define DEFAULT_RAMADDR 0 /* beginning */
......@@ -37,6 +35,15 @@
#define MAX_DEVICES 8 /* no alloc, me lazy */
static struct usw_pci_id {
unsigned pci_v;
unsigned pci_d;
} spec_devices[] = {
{ 0x10dc /* CERN */, 0x018d /* SPEC */ },
{ 0x1a39 /* Gennum */, 0x0004 /* GN4124 */ },
{ 0, },
};
struct usw_device {
void *mapaddr;
int mapsize;
......@@ -118,13 +125,14 @@ static int usw_access_pci(char *name, int index)
/* Scan PCI space for vendor and device; return number of successes */
static int usw_scan_pci(int vendor, int device, struct usw_device *arr,
static int usw_scan_pci(struct usw_pci_id *id, struct usw_device *arr,
int alen)
{
char path[PATH_MAX];
FILE *f;
struct dirent **namelist;
int i, n, val, ndevs;
int i, j, n, ndevs;
unsigned v, d;
n = scandir("/sys/bus/pci/devices", &namelist, 0, 0);
if (n < 0) {
......@@ -145,11 +153,9 @@ static int usw_scan_pci(int vendor, int device, struct usw_device *arr,
strerror(errno));
continue;
}
if (fscanf(f, "%i", &val) != 1)
if (fscanf(f, "%i", &v) != 1)
continue;
fclose(f);
if (val != vendor)
continue;
/* check device */
sprintf(path, "/sys/bus/pci/devices/%s/device",
......@@ -160,15 +166,19 @@ static int usw_scan_pci(int vendor, int device, struct usw_device *arr,
strerror(errno));
continue;
}
if (fscanf(f, "%i", &val) != 1)
if (fscanf(f, "%i", &d) != 1)
continue;
fclose(f);
if (val != device)
continue;
for (j = 0; id[j].pci_v; j++)
if (id[j].pci_v == v && id[j].pci_d == d)
break;
if (!spec_devices[j].pci_v)
continue; /* not found in whole array */
/* Ok, so this is ours. Celebrate, and open it */
fprintf(stderr, "%s: found device %s\n", prgname,
namelist[i]->d_name);
fprintf(stderr, "%s: found device %04x:%04x: %s\n", prgname,
v, d, namelist[i]->d_name);
if (ndevs == alen) {
fprintf(stderr, "%s: array overflow, ignoring card\n",
......@@ -249,11 +259,9 @@ int main(int argc, char **argv)
/* FIXME: parse commandline arguments */
ndev = usw_scan_pci(DEFAULT_VENDOR, DEFAULT_DEVICE,
devs, MAX_DEVICES);
ndev = usw_scan_pci(spec_devices, devs, MAX_DEVICES);
if (ndev < 1) {
fprintf(stderr, "%s: no %04x:%04x devices on PCI\n",
argv[0], DEFAULT_VENDOR, DEFAULT_DEVICE);
fprintf(stderr, "%s: no suitable PCI devices\n", argv[0]);
exit(1);
}
......
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