Set timer threshold register

ddrio.c

@@ -230,6 +230,7 @@ read_from_ddr (pcilib_t *pci, volatile void *bar, Options *opts)
     WR32_sleep (HF_REG_NUM_PACKETS, 0x20);
     WR32_sleep (HF_REG_PACKET_LENGTH, 0x20);
     WR32_sleep (HF_REG_UPDATE_THRESHOLD, 1);
+    WR32_sleep (HF_REG_TIMER_THRESHOLD, 0x10);
 
     while (size >= mem_size) {
         /* set write addr */

hf-interface.h

@@ -11,6 +11,7 @@
 #define HF_REG_DESCRIPTOR_ADDRESS       0x50
 #define HF_REG_UPDATE_ADDRESS           0x58
 #define HF_REG_UPDATE_THRESHOLD         0x60
+#define HF_REG_TIMER_THRESHOLD          0x64
 
 /* internal register masks and values */