From be5048f16653787106945122ba043b3a8b42f30c Mon Sep 17 00:00:00 2001
From: Wolfgang Denk <wd@pollux.denx.de>
Date: Sun, 12 Mar 2006 22:50:55 +0100
Subject: [PATCH] Add Nat Semi DP83865 PHY support to MPC85xx TSEC driver Patch
by Murray Jensen, 08 Jul 2005
---
CHANGELOG | 3 +++
drivers/tsec.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++
drivers/tsec.h | 10 ++++++++++
3 files changed, 64 insertions(+)
diff --git a/CHANGELOG b/CHANGELOG
index 27ce62c891d..d6363d6fb68 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,9 @@
Changes since U-Boot 1.1.4:
======================================================================
+* Add Nat Semi DP83865 PHY support to MPC85xx TSEC driver
+ Patch by Murray Jensen, 08 Jul 2005
+
* Add (some) definitions for the MPC85xx local bus controller
Patch by Murray Jensen, 08 Jul 2005
diff --git a/drivers/tsec.c b/drivers/tsec.c
index f860dae8b00..4c5e1b5d3a1 100644
--- a/drivers/tsec.c
+++ b/drivers/tsec.c
@@ -940,6 +940,56 @@ static struct phy_info phy_info_lxt971 = {
},
};
+/* Parse the DP83865's link and auto-neg status register for speed and duplex
+ * information */
+uint mii_parse_dp83865_lanr(uint mii_reg, struct tsec_private *priv)
+{
+ switch (mii_reg & MIIM_DP83865_SPD_MASK) {
+
+ case MIIM_DP83865_SPD_1000:
+ priv->speed = 1000;
+ break;
+
+ case MIIM_DP83865_SPD_100:
+ priv->speed = 100;
+ break;
+
+ default:
+ priv->speed = 10;
+ break;
+
+ }
+
+ if (mii_reg & MIIM_DP83865_DPX_FULL)
+ priv->duplexity = 1;
+ else
+ priv->duplexity = 0;
+
+ return 0;
+}
+
+struct phy_info phy_info_dp83865 = {
+ 0x20005c7,
+ "NatSemi DP83865",
+ 4,
+ (struct phy_cmd[]) { /* config */
+ {MIIM_CONTROL, MIIM_DP83865_CR_INIT, NULL},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* startup */
+ /* Status is read once to clear old link state */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the link and auto-neg status */
+ {MIIM_DP83865_LANR, miim_read, &mii_parse_dp83865_lanr},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* shutdown */
+ {miim_end,}
+ },
+};
+
struct phy_info *phy_info[] = {
#if 0
&phy_info_cis8201,
@@ -949,6 +999,7 @@ struct phy_info *phy_info[] = {
&phy_info_M88E1111S,
&phy_info_dm9161,
&phy_info_lxt971,
+ &phy_info_dp83865,
NULL
};
diff --git a/drivers/tsec.h b/drivers/tsec.h
index e92b53ad6b8..b55b2992b22 100644
--- a/drivers/tsec.h
+++ b/drivers/tsec.h
@@ -168,6 +168,16 @@
#define MIIM_LXT971_SR2_100HDX 0x4000 /* 100 Mbit half duplex selected */
#define MIIM_LXT971_SR2_100FDX 0x4200 /* 100 Mbit full duplex selected */
+/* DP83865 Control register values */
+#define MIIM_DP83865_CR_INIT 0x9200
+
+/* DP83865 Link and Auto-Neg Status Register */
+#define MIIM_DP83865_LANR 0x11
+#define MIIM_DP83865_SPD_MASK 0x0018
+#define MIIM_DP83865_SPD_1000 0x0010
+#define MIIM_DP83865_SPD_100 0x0008
+#define MIIM_DP83865_DPX_FULL 0x0002
+
#define MIIM_READ_COMMAND 0x00000001
#define MRBLR_INIT_SETTINGS PKTSIZE_ALIGN
--
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