+++ /dev/null
-From 40b5d2f15c091fa9c854acde91ad2acb504027d7 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Ren=C3=A9=20van=20Dorst?= <opensource@vdorst.com>
-Date: Mon, 12 Apr 2021 08:50:31 +0200
-Subject: [PATCH] net: dsa: mt7530: Add support for EEE features
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This patch adds EEE support.
-
-Signed-off-by: René van Dorst <opensource@vdorst.com>
-Signed-off-by: David S. Miller <davem@davemloft.net>
----
- drivers/net/dsa/mt7530.c | 46 +++++++++++++++++++++++++++++++++++++++-
- drivers/net/dsa/mt7530.h | 11 ++++++++++
- 2 files changed, 56 insertions(+), 1 deletion(-)
-
---- a/drivers/net/dsa/mt7530.c
-+++ b/drivers/net/dsa/mt7530.c
-@@ -1406,7 +1406,8 @@ static void mt7530_phylink_mac_config(st
- mcr_cur = mt7530_read(priv, MT7530_PMCR_P(port));
- mcr_new = mcr_cur;
- mcr_new &= ~(PMCR_FORCE_SPEED_1000 | PMCR_FORCE_SPEED_100 |
-- PMCR_FORCE_FDX | PMCR_TX_FC_EN | PMCR_RX_FC_EN);
-+ PMCR_FORCE_FDX | PMCR_TX_FC_EN | PMCR_RX_FC_EN |
-+ PMCR_FORCE_EEE1G | PMCR_FORCE_EEE100);
- mcr_new |= PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | PMCR_BACKOFF_EN |
- PMCR_BACKPR_EN | PMCR_FORCE_MODE;
-
-@@ -1430,6 +1431,17 @@ static void mt7530_phylink_mac_config(st
- mcr_new |= PMCR_RX_FC_EN;
- }
-
-+ if (mode == MLO_AN_PHY) {
-+ switch (state->speed) {
-+ case SPEED_1000:
-+ mcr_new |= PMCR_FORCE_EEE1G;
-+ break;
-+ case SPEED_100:
-+ mcr_new |= PMCR_FORCE_EEE100;
-+ break;
-+ }
-+ }
-+
- if (mcr_new != mcr_cur)
- mt7530_write(priv, MT7530_PMCR_P(port), mcr_new);
- }
-@@ -1555,6 +1567,36 @@ mt7530_phylink_mac_link_state(struct dsa
- return 1;
- }
-
-+static int mt753x_get_mac_eee(struct dsa_switch *ds, int port,
-+ struct ethtool_eee *e)
-+{
-+ struct mt7530_priv *priv = ds->priv;
-+ u32 eeecr = mt7530_read(priv, MT7530_PMEEECR_P(port));
-+
-+ e->tx_lpi_enabled = !(eeecr & LPI_MODE_EN);
-+ e->tx_lpi_timer = GET_LPI_THRESH(eeecr);
-+
-+ return 0;
-+}
-+
-+static int mt753x_set_mac_eee(struct dsa_switch *ds, int port,
-+ struct ethtool_eee *e)
-+{
-+ struct mt7530_priv *priv = ds->priv;
-+ u32 set, mask = LPI_THRESH_MASK | LPI_MODE_EN;
-+
-+ if (e->tx_lpi_timer > 0xFFF)
-+ return -EINVAL;
-+
-+ set = SET_LPI_THRESH(e->tx_lpi_timer);
-+ if (!e->tx_lpi_enabled)
-+ /* Force LPI Mode without a delay */
-+ set |= LPI_MODE_EN;
-+ mt7530_rmw(priv, MT7530_PMEEECR_P(port), mask, set);
-+
-+ return 0;
-+}
-+
- static const struct dsa_switch_ops mt7530_switch_ops = {
- .get_tag_protocol = mtk_get_tag_protocol,
- .setup = mt7530_setup,
-@@ -1582,6 +1624,8 @@ static const struct dsa_switch_ops mt753
- .phylink_mac_config = mt7530_phylink_mac_config,
- .phylink_mac_link_down = mt7530_phylink_mac_link_down,
- .phylink_mac_link_up = mt7530_phylink_mac_link_up,
-+ .get_mac_eee = mt753x_get_mac_eee,
-+ .set_mac_eee = mt753x_set_mac_eee,
- };
-
- static const struct of_device_id mt7530_of_match[] = {
---- a/drivers/net/dsa/mt7530.h
-+++ b/drivers/net/dsa/mt7530.h
-@@ -212,6 +212,8 @@ enum mt7530_vlan_port_attr {
- #define PMCR_RX_EN BIT(13)
- #define PMCR_BACKOFF_EN BIT(9)
- #define PMCR_BACKPR_EN BIT(8)
-+#define PMCR_FORCE_EEE1G BIT(7)
-+#define PMCR_FORCE_EEE100 BIT(6)
- #define PMCR_TX_FC_EN BIT(5)
- #define PMCR_RX_FC_EN BIT(4)
- #define PMCR_FORCE_SPEED_1000 BIT(3)
-@@ -221,6 +223,15 @@ enum mt7530_vlan_port_attr {
- #define PMCR_SPEED_MASK (PMCR_FORCE_SPEED_100 | \
- PMCR_FORCE_SPEED_1000)
-
-+#define MT7530_PMEEECR_P(x) (0x3004 + (x) * 0x100)
-+#define WAKEUP_TIME_1000(x) (((x) & 0xFF) << 24)
-+#define WAKEUP_TIME_100(x) (((x) & 0xFF) << 16)
-+#define LPI_THRESH_MASK GENMASK(15, 4)
-+#define LPI_THRESH_SHT 4
-+#define SET_LPI_THRESH(x) (((x) << LPI_THRESH_SHT) & LPI_THRESH_MASK)
-+#define GET_LPI_THRESH(x) (((x) & LPI_THRESH_MASK) >> LPI_THRESH_SHT)
-+#define LPI_MODE_EN BIT(0)
-+
- #define MT7530_PMSR_P(x) (0x3008 + (x) * 0x100)
- #define PMSR_EEE1G BIT(7)
- #define PMSR_EEE100M BIT(6)
--- /dev/null
+From 9cfb2d426c38272f245e9e6f62b3552d1ed5852b Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Ren=C3=A9=20van=20Dorst?= <opensource@vdorst.com>
+Date: Tue, 21 Apr 2020 00:18:08 +0200
+Subject: [PATCH] net: dsa: mt7530: Support EEE features
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: René van Dorst <opensource@vdorst.com>
+--- a/drivers/net/dsa/mt7530.c
++++ b/drivers/net/dsa/mt7530.c
+@@ -1417,9 +1417,13 @@ static void mt7530_phylink_mac_config(st
+ switch (state->speed) {
+ case SPEED_1000:
+ mcr_new |= PMCR_FORCE_SPEED_1000;
++ if (priv->eee_enable & BIT(port))
++ mcr_new |= PMCR_FORCE_EEE1G;
+ break;
+ case SPEED_100:
+ mcr_new |= PMCR_FORCE_SPEED_100;
++ if (priv->eee_enable & BIT(port))
++ mcr_new |= PMCR_FORCE_EEE100;
+ break;
+ }
+ if (state->duplex == DUPLEX_FULL) {
+@@ -1555,6 +1559,54 @@ mt7530_phylink_mac_link_state(struct dsa
+ return 1;
+ }
+
++static int mt7530_get_mac_eee(struct dsa_switch *ds, int port,
++ struct ethtool_eee *e)
++{
++ struct mt7530_priv *priv = ds->priv;
++ u32 eeecr, pmsr;
++
++ e->eee_enabled = !!(priv->eee_enable & BIT(port));
++
++ if (e->eee_enabled) {
++ eeecr = mt7530_read(priv, MT7530_PMEEECR_P(port));
++ e->tx_lpi_enabled = !(eeecr & LPI_MODE_EN);
++ e->tx_lpi_timer = (eeecr >> 4) & 0xFFF;
++ pmsr = mt7530_read(priv, MT7530_PMSR_P(port));
++ e->eee_active = e->eee_enabled && !!(pmsr & PMSR_EEE1G);
++ } else {
++ e->tx_lpi_enabled = 0;
++ e->tx_lpi_timer = 0;
++ e->eee_active = 0;
++ }
++
++ return 0;
++}
++
++static int mt7530_set_mac_eee(struct dsa_switch *ds, int port,
++ struct ethtool_eee *e)
++{
++ struct mt7530_priv *priv = ds->priv;
++ u32 eeecr;
++
++ if (e->tx_lpi_enabled && e->tx_lpi_timer > 0xFFF)
++ return -EINVAL;
++
++ if (e->eee_enabled) {
++ priv->eee_enable |= BIT(port);
++ //MT7530_PMEEECR_P
++ eeecr = mt7530_read(priv, MT7530_PMEEECR_P(port));
++ eeecr &= 0xFFFF0000;
++ if (!e->tx_lpi_enabled)
++ eeecr |= LPI_MODE_EN;
++ eeecr = LPI_THRESH(e->tx_lpi_timer);
++ mt7530_write(priv, MT7530_PMEEECR_P(port), eeecr);
++ } else {
++ priv->eee_enable &= ~(BIT(port));
++ }
++
++ return 0;
++}
++
+ static const struct dsa_switch_ops mt7530_switch_ops = {
+ .get_tag_protocol = mtk_get_tag_protocol,
+ .setup = mt7530_setup,
+@@ -1582,6 +1634,8 @@ static const struct dsa_switch_ops mt753
+ .phylink_mac_config = mt7530_phylink_mac_config,
+ .phylink_mac_link_down = mt7530_phylink_mac_link_down,
+ .phylink_mac_link_up = mt7530_phylink_mac_link_up,
++ .get_mac_eee = mt7530_get_mac_eee,
++ .set_mac_eee = mt7530_set_mac_eee,
+ };
+
+ static const struct of_device_id mt7530_of_match[] = {
+--- a/drivers/net/dsa/mt7530.h
++++ b/drivers/net/dsa/mt7530.h
+@@ -212,6 +212,8 @@ enum mt7530_vlan_port_attr {
+ #define PMCR_RX_EN BIT(13)
+ #define PMCR_BACKOFF_EN BIT(9)
+ #define PMCR_BACKPR_EN BIT(8)
++#define PMCR_FORCE_EEE1G BIT(7)
++#define PMCR_FORCE_EEE100 BIT(6)
+ #define PMCR_TX_FC_EN BIT(5)
+ #define PMCR_RX_FC_EN BIT(4)
+ #define PMCR_FORCE_SPEED_1000 BIT(3)
+@@ -233,6 +235,12 @@ enum mt7530_vlan_port_attr {
+ #define PMSR_DPX BIT(1)
+ #define PMSR_LINK BIT(0)
+
++#define MT7530_PMEEECR_P(x) (0x3004 + (x) * 0x100)
++#define WAKEUP_TIME_1000(x) ((x & 0xFF) << 24)
++#define WAKEUP_TIME_100(x) ((x & 0xFF) << 16)
++#define LPI_THRESH(x) ((x & 0xFFF) << 4)
++#define LPI_MODE_EN BIT(0)
++
+ /* Register for MIB */
+ #define MT7530_PORT_MIB_COUNTER(x) (0x4000 + (x) * 0x100)
+ #define MT7530_MIB_CCR 0x4fe0
+@@ -471,6 +479,7 @@ struct mt7530_priv {
+ unsigned int p5_intf_sel;
+ u8 mirror_rx;
+ u8 mirror_tx;
++ u8 eee_enable;
+
+ struct mt7530_port ports[MT7530_NUM_PORTS];
+ /* protect among processes for registers access*/
projects / openwrt / staging / thess.git / commitdiff