summaryrefslogtreecommitdiffstats
path: root/apps
diff options
context:
space:
mode:
authorSuren A. Chilingaryan <csa@dside.dyndns.org>2013-07-26 17:02:23 +0200
committerSuren A. Chilingaryan <csa@dside.dyndns.org>2013-07-26 17:02:23 +0200
commit57fe574e058bc34c95a71995060ac45f71300ab6 (patch)
tree0a36c32bae34cf32121d5daae450082562bde3f1 /apps
parentf000eb0d43193ef8225f947226d9cd3deb00115b (diff)
downloadpcitool-57fe574e058bc34c95a71995060ac45f71300ab6.tar.gz
pcitool-57fe574e058bc34c95a71995060ac45f71300ab6.tar.bz2
pcitool-57fe574e058bc34c95a71995060ac45f71300ab6.tar.xz
pcitool-57fe574e058bc34c95a71995060ac45f71300ab6.zip
Allow setting of TLP size
Diffstat (limited to 'apps')
-rw-r--r--apps/xilinx2.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/apps/xilinx2.c b/apps/xilinx2.c
index 90a2b6a..30e0f94 100644
--- a/apps/xilinx2.c
+++ b/apps/xilinx2.c
@@ -19,6 +19,7 @@
#define STATIC_REGION 0x80000000 // to reserve 512 MB at the specified address, add "memmap=512M$2G" to kernel parameters
#define BUFFERS 1
#define ITERATIONS 100
+#define TLP_SIZE 64
#define HUGE_PAGE 4096 // number of pages per huge page
#define PAGE_SIZE 4096 // other values are not supported in the kernel
#define TIMEOUT 100000
@@ -26,7 +27,7 @@
/* IRQs are slow for some reason. REALTIME mode is slower. Adding delays does not really help,
otherall we have only 3 checks in average. Check ready seems to be not needed and adds quite
much extra time */
-//#define USE_IRQ
+#define USE_IRQ
//#define CHECK_READY
//#define REALTIME
//#define ADD_DELAYS
@@ -139,8 +140,8 @@ int main() {
#endif /* CHECK_RESULT */
WR(0x04, 0)
- WR(0x0C, 0x20)
- WR(0x10, (HUGE_PAGE * (PAGE_SIZE / 0x80)))
+ WR(0x0C, TLP_SIZE)
+ WR(0x10, (HUGE_PAGE * (PAGE_SIZE / (4 * TLP_SIZE))))
WR(0x14, 0x13131313)
for (j = 0; j < BUFFERS; j++ ) {
@@ -194,6 +195,7 @@ int main() {
pcilib_kmem_sync_block(pci, kbuf, PCILIB_KMEM_SYNC_FROMDEVICE, 0);
for (i = 0; i < (HUGE_PAGE * PAGE_SIZE / 4); i++) {
+// printf("%lx ", ptr0[i]);
if (ptr0[i] != 0x13131313) break;
}
if (i < (HUGE_PAGE * PAGE_SIZE / 4)) {