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tools/intel_iosf_sb_read: Add -c command line option like intel_reg_read

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Add a command line option '-c <count>' that can be used to read set of
consecutive registers without having to specify the offset for each of
them.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Ville Syrjälä 2015-02-05 20:04:29 +02:00
parent dcb3edf2a9
commit bd692becf7
1 changed files with 17 additions and 4 deletions
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21
tools/intel_iosf_sb_read.c
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@ -73,8 +73,9 @@ static void usage(const char *name)
int i;
printf("Warning : This program will work only on Valleyview/Cherryview\n"
"Usage: %s [-h] [--] <port> <reg> [<reg> ...]\n"
"Usage: %s [-h] [-c <count>] [--] <port> <reg> [<reg> ...]\n"
"\t -h : Show this help text\n"
"\t -c <count> : how many consecutive registers to read\n"
"\t <port> : ", name);
for (i = 0; i < ARRAY_SIZE(iosf_sb_ports); i++)
printf("%s,", iosf_sb_ports[i].name);
@ -86,7 +87,7 @@ int main(int argc, char *argv[])
{
uint32_t port, reg, val;
struct pci_device *dev = intel_get_pci_device();
int i, nregs;
int i, nregs, count = 1;
const char *name;
if (!IS_VALLEYVIEW(dev->device_id) &&
@ -105,6 +106,13 @@ int main(int argc, char *argv[])
case 'h':
usage(argv[0]);
return 0;
case 'c':
count = strtol(optarg, NULL, 0);
if (count < 1) {
usage(argv[0]);
return 3;
}
break;
}
}
@ -121,10 +129,15 @@ int main(int argc, char *argv[])
intel_register_access_init(dev, 0);
for (; i < argc; i++) {
int j;
reg = strtoul(argv[i], NULL, 16);
val = intel_iosf_sb_read(port, reg);
printf("0x%02x(%s)/0x%04x : 0x%08x\n", port, name, reg, val);
for (j = 0; j < count; j++) {
val = intel_iosf_sb_read(port, reg);
printf("0x%02x(%s)/0x%04x : 0x%08x\n", port, name, reg, val);
reg += 4;
}
}
intel_register_access_fini();