From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
---
tools/intel_iosf_sb_read.c | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/tools/intel_iosf_sb_read.c b/tools/intel_iosf_sb_read.c
index 48a22be..2b0704a 100644
--- a/tools/intel_iosf_sb_read.c
+++ b/tools/intel_iosf_sb_read.c
@@ -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();
--
2.0.5
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