From ed2e0c8b346b4cbb285e116fffc7e0b337a7e3ee Mon Sep 17 00:00:00 2001
From: Robert Jordens <jordens@gmail.com>
Date: Tue, 20 Mar 2018 00:59:31 +0800
Subject: [PATCH] sayma/sdram/scan: test each tap 1024 times

---
 artiq/firmware/libboard/sdram.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/artiq/firmware/libboard/sdram.rs b/artiq/firmware/libboard/sdram.rs
index aa8b0330b..75c092e7e 100644
--- a/artiq/firmware/libboard/sdram.rs
+++ b/artiq/firmware/libboard/sdram.rs
@@ -251,7 +251,7 @@ mod ddr {
 
                 let mut working = true;
                 for p in 0..DFII_NPHASES {
-                    for _ in 0..64 {
+                    for _ in 0..1024 {
                         for &offset in [n, n + DQS_SIGNAL_COUNT].iter() {
                             let addr = DFII_PIX_RDDATA_ADDR[p].offset(offset as isize);
                             let data = prs[DFII_PIX_DATA_SIZE * p + offset];
@@ -323,7 +323,7 @@ mod ddr {
             let incr_delay_until = |expected| {
                 while delay.get() < DDRPHY_MAX_DELAY {
                     let mut working = true;
-                    for _ in 0..64 {
+                    for _ in 0..1024 {
                         sdram_phy::command_prd(DFII_COMMAND_CAS|DFII_COMMAND_CS|
                                                DFII_COMMAND_RDDATA);
                         spin_cycles(15);