From: Sebastien Bourdeauducq <sebastien@milkymist.org>
Date: Sat, 4 Aug 2012 21:39:29 +0000 (+0200)
Subject: bios/dataflow: use freeze register
X-Git-Tag: 24jan2021_ls180~3087
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5ef8d5f534e0f6e4300f0215a3495f01ab88bd83;p=litex.git

bios/dataflow: use freeze register
---

diff --git a/software/bios/dataflow.c b/software/bios/dataflow.c
index b3c64a2c..d9aaa6ab 100644
--- a/software/bios/dataflow.c
+++ b/software/bios/dataflow.c
@@ -19,9 +19,8 @@ void print_isd_info(unsigned int baseaddr)
 	neps = regs[2];
 	nbytes = (regs[3] + 7)/8;
 	
-	// regs[4] is reset
-	
-	offset = 5;
+	regs[4] = 1; // freeze
+	offset = 6; // regs[5] is reset
 	for(i=0;i<neps;i++) {
 		ack_count = 0;
 		for(j=0;j<nbytes;j++) {
@@ -39,4 +38,5 @@ void print_isd_info(unsigned int baseaddr)
 			cur_status & 1 ? "stb" : "   ",
 			cur_status & 2 ? "ack" : "   ");
 	}
+	regs[4] = 0; // unfreeze
 }