shithub: riscv

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ref: f113e2d6d54ff2b2de6330fdf9f72bbb622e27f4
parent: af0de5ada83205e6016b108a2f19dbc5782d5e8e
author: aiju <devnull@localhost>
date: Fri Feb 9 20:04:05 EST 2018 

zynq: fix 10BASE-T and 100BASE-TX support


--- a/sys/src/9/zynq/etherzynq.c
+++ b/sys/src/9/zynq/etherzynq.c
@@ -96,6 +96,10 @@
 	FrameEnd = 1<<15,
 };
 
+enum {
+	GEM0_CLK_CTRL = 0x140/4,
+};
+
 typedef struct Ctlr Ctlr;
 
 struct Ctlr {
@@ -157,14 +161,17 @@
 				;
 			edev->mbps = 1000;
 			c->r[NET_CFG] |= GIGE_EN;
+			slcr[GEM0_CLK_CTRL] = 1 << 20 | 8 << 8 | 1;
 		}else if((v & 0x20) != 0){
 			sp = "100BASE-TX";
 			edev->mbps = 100;
-			c->r[NET_CFG] = NET_CFG & ~GIGE_EN | SPEED;
+			c->r[NET_CFG] = c->r[NET_CFG] & ~GIGE_EN | SPEED;
+			slcr[GEM0_CLK_CTRL] = 5 << 20 | 8 << 8 | 1;
 		}else if((v & 0x10) != 0){
 			sp = "10BASE-T";
 			edev->mbps = 10;
-			c->r[NET_CFG] = NET_CFG & ~(GIGE_EN | SPEED);
+			c->r[NET_CFG] = c->r[NET_CFG] & ~(GIGE_EN | SPEED);
+			slcr[GEM0_CLK_CTRL] = 20 << 20 | 20 << 8 | 1;
 		}else
 			sp = "???";
 		if((v & 0x08) != 0){