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Message-ID: <1524000642-23944-4-git-send-email-m-karicheri2@ti.com>
Date: Tue, 17 Apr 2018 17:30:32 -0400
From: Murali Karicheri <m-karicheri2@...com>
To: <robh+dt@...nel.org>, <mark.rutland@....com>,
<ssantosh@...nel.org>, <malat@...ian.org>, <w-kwok2@...com>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <davem@...emloft.net>,
<netdev@...r.kernel.org>, <grygorii.strashko@...com>,
<nsekhar@...com>
Subject: [net-next PATCH v4 03/13] net: netcp: ethss: use macro for checking ss_version consistently
Driver currently uses macro for NU and XBE hardwrae, while other
places for older hardware such as that on K2H/K SoC (version 1.4
of the cpsw hardware, it explicitly check for the ss_version
inline. Add a new macro for version 1.4 and use it to customize
code in the driver. While at it also fix similar issue with
checking XBE version by re-using existing macro IS_SS_ID_XGBE().
Signed-off-by: Murali Karicheri <m-karicheri2@...com>
---
drivers/net/ethernet/ti/netcp_ethss.c | 29 ++++++++++++++++-------------
1 file changed, 16 insertions(+), 13 deletions(-)
diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c
index 56dbc0b..1b79fe5 100644
--- a/drivers/net/ethernet/ti/netcp_ethss.c
+++ b/drivers/net/ethernet/ti/netcp_ethss.c
@@ -42,7 +42,7 @@
/* 1G Ethernet SS defines */
#define GBE_MODULE_NAME "netcp-gbe"
-#define GBE_SS_VERSION_14 0x4ed21104
+#define GBE_SS_VERSION_14 0x4ed2
#define GBE_SS_REG_INDEX 0
#define GBE_SGMII34_REG_INDEX 1
@@ -72,6 +72,9 @@
#define IS_SS_ID_NU(d) \
(GBE_IDENT((d)->ss_version) == GBE_SS_ID_NU)
+#define IS_SS_ID_VER_14(d) \
+ (GBE_IDENT((d)->ss_version) == GBE_SS_VERSION_14)
+
#define GBENU_SS_REG_INDEX 0
#define GBENU_SM_REG_INDEX 1
#define GBENU_SGMII_MODULE_OFFSET 0x100
@@ -86,7 +89,7 @@
/* 10G Ethernet SS defines */
#define XGBE_MODULE_NAME "netcp-xgbe"
-#define XGBE_SS_VERSION_10 0x4ee42100
+#define XGBE_SS_VERSION_10 0x4ee4
#define XGBE_SS_REG_INDEX 0
#define XGBE_SM_REG_INDEX 1
@@ -1915,7 +1918,7 @@ static void keystone_get_ethtool_stats(struct net_device *ndev,
gbe_dev = gbe_intf->gbe_dev;
spin_lock_bh(&gbe_dev->hw_stats_lock);
- if (gbe_dev->ss_version == GBE_SS_VERSION_14)
+ if (IS_SS_ID_VER_14(gbe_dev))
gbe_update_stats_ver14(gbe_dev, data);
else
gbe_update_stats(gbe_dev, data);
@@ -2205,7 +2208,7 @@ static void gbe_port_config(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
max_rx_len = NETCP_MAX_FRAME_SIZE;
/* Enable correct MII mode at SS level */
- if ((gbe_dev->ss_version == XGBE_SS_VERSION_10) &&
+ if (IS_SS_ID_XGBE(gbe_dev) &&
(slave->link_interface >= XGMII_LINK_MAC_PHY)) {
xgmii_mode = readl(GBE_REG_ADDR(gbe_dev, ss_regs, control));
xgmii_mode |= (1 << slave->slave_num);
@@ -2293,7 +2296,7 @@ static int gbe_slave_open(struct gbe_intf *gbe_intf)
}
if (has_phy) {
- if (priv->ss_version == XGBE_SS_VERSION_10)
+ if (IS_SS_ID_XGBE(priv))
hndlr = xgbe_adjust_link;
slave->phy = of_phy_connect(gbe_intf->ndev,
@@ -2764,7 +2767,7 @@ static void netcp_ethss_timer(struct timer_list *t)
/* A timer runs as a BH, no need to block them */
spin_lock(&gbe_dev->hw_stats_lock);
- if (gbe_dev->ss_version == GBE_SS_VERSION_14)
+ if (IS_SS_ID_VER_14(gbe_dev))
gbe_update_stats_ver14(gbe_dev, NULL);
else
gbe_update_stats(gbe_dev, NULL);
@@ -2807,7 +2810,7 @@ static int gbe_open(void *intf_priv, struct net_device *ndev)
GBE_RTL_VERSION(reg), GBE_IDENT(reg));
/* For 10G and on NetCP 1.5, use directed to port */
- if ((gbe_dev->ss_version == XGBE_SS_VERSION_10) || IS_SS_ID_MU(gbe_dev))
+ if (IS_SS_ID_XGBE(gbe_dev) || IS_SS_ID_MU(gbe_dev))
gbe_intf->tx_pipe.flags = SWITCH_TO_PORT_IN_TAGINFO;
if (gbe_dev->enable_ale)
@@ -2924,7 +2927,7 @@ static int init_slave(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
/* Emac regs memmap are contiguous but port regs are not */
port_reg_num = slave->slave_num;
- if (gbe_dev->ss_version == GBE_SS_VERSION_14) {
+ if (IS_SS_ID_VER_14(gbe_dev)) {
if (slave->slave_num > 1) {
port_reg_ofs = GBE13_SLAVE_PORT2_OFFSET;
port_reg_num -= 2;
@@ -2939,7 +2942,7 @@ static int init_slave(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
emac_reg_ofs = GBENU_EMAC_OFFSET;
port_reg_blk_sz = 0x1000;
emac_reg_blk_sz = 0x1000;
- } else if (gbe_dev->ss_version == XGBE_SS_VERSION_10) {
+ } else if (IS_SS_ID_XGBE(gbe_dev)) {
port_reg_ofs = XGBE10_SLAVE_PORT_OFFSET;
emac_reg_ofs = XGBE10_EMAC_OFFSET;
port_reg_blk_sz = 0x30;
@@ -2955,7 +2958,7 @@ static int init_slave(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
slave->emac_regs = gbe_dev->switch_regs + emac_reg_ofs +
(emac_reg_blk_sz * slave->slave_num);
- if (gbe_dev->ss_version == GBE_SS_VERSION_14) {
+ if (IS_SS_ID_VER_14(gbe_dev)) {
/* Initialize slave port register offsets */
GBE_SET_REG_OFS(slave, port_regs, port_vlan);
GBE_SET_REG_OFS(slave, port_regs, tx_pri_map);
@@ -2989,7 +2992,7 @@ static int init_slave(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
GBENU_SET_REG_OFS(slave, emac_regs, mac_control);
GBENU_SET_REG_OFS(slave, emac_regs, soft_reset);
- } else if (gbe_dev->ss_version == XGBE_SS_VERSION_10) {
+ } else if (IS_SS_ID_XGBE(gbe_dev)) {
/* Initialize slave port register offsets */
XGBE_SET_REG_OFS(slave, port_regs, port_vlan);
XGBE_SET_REG_OFS(slave, port_regs, tx_pri_map);
@@ -3508,7 +3511,7 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
dev_dbg(dev, "ss_version: 0x%08x\n", gbe_dev->ss_version);
- if (gbe_dev->ss_version == GBE_SS_VERSION_14)
+ if (IS_SS_ID_VER_14(gbe_dev))
ret = set_gbe_ethss14_priv(gbe_dev, node);
else if (IS_SS_ID_MU(gbe_dev))
ret = set_gbenu_ethss_priv(gbe_dev, node);
@@ -3606,7 +3609,7 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
spin_lock_bh(&gbe_dev->hw_stats_lock);
for (i = 0; i < gbe_dev->num_stats_mods; i++) {
- if (gbe_dev->ss_version == GBE_SS_VERSION_14)
+ if (IS_SS_ID_VER_14(gbe_dev))
gbe_reset_mod_stats_ver14(gbe_dev, i);
else
gbe_reset_mod_stats(gbe_dev, i);
--
1.9.1
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