summaryrefslogtreecommitdiffstats
path: root/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c')
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c232
1 files changed, 0 insertions, 232 deletions
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c b/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c
deleted file mode 100644
index b99eb46de9..0000000000
--- a/target/linux/ramips/files/drivers/net/ethernet/ralink/mdio_rt2880.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/dma-mapping.h>
-#include <linux/init.h>
-#include <linux/skbuff.h>
-#include <linux/etherdevice.h>
-#include <linux/ethtool.h>
-#include <linux/platform_device.h>
-#include <linux/phy.h>
-#include <linux/of_device.h>
-#include <linux/clk.h>
-#include <linux/of_net.h>
-#include <linux/of_mdio.h>
-
-#include "ralink_soc_eth.h"
-#include "mdio_rt2880.h"
-#include "mdio.h"
-
-#define FE_MDIO_RETRY 1000
-
-static unsigned char *rt2880_speed_str(struct fe_priv *priv)
-{
- switch (priv->phy->speed[0]) {
- case SPEED_1000:
- return "1000";
- case SPEED_100:
- return "100";
- case SPEED_10:
- return "10";
- }
-
- return "?";
-}
-
-void rt2880_mdio_link_adjust(struct fe_priv *priv, int port)
-{
- u32 mdio_cfg;
-
- if (!priv->link[0]) {
- netif_carrier_off(priv->netdev);
- netdev_info(priv->netdev, "link down\n");
- return;
- }
-
- mdio_cfg = FE_MDIO_CFG_TX_CLK_SKEW_200 |
- FE_MDIO_CFG_RX_CLK_SKEW_200 |
- FE_MDIO_CFG_GP1_FRC_EN;
-
- if (priv->phy->duplex[0] == DUPLEX_FULL)
- mdio_cfg |= FE_MDIO_CFG_GP1_DUPLEX;
-
- if (priv->phy->tx_fc[0])
- mdio_cfg |= FE_MDIO_CFG_GP1_FC_TX;
-
- if (priv->phy->rx_fc[0])
- mdio_cfg |= FE_MDIO_CFG_GP1_FC_RX;
-
- switch (priv->phy->speed[0]) {
- case SPEED_10:
- mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_10;
- break;
- case SPEED_100:
- mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_100;
- break;
- case SPEED_1000:
- mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_1000;
- break;
- default:
- BUG();
- }
-
- fe_w32(mdio_cfg, FE_MDIO_CFG);
-
- netif_carrier_on(priv->netdev);
- netdev_info(priv->netdev, "link up (%sMbps/%s duplex)\n",
- rt2880_speed_str(priv),
- (DUPLEX_FULL == priv->phy->duplex[0]) ? "Full" : "Half");
-}
-
-static int rt2880_mdio_wait_ready(struct fe_priv *priv)
-{
- int retries;
-
- retries = FE_MDIO_RETRY;
- while (1) {
- u32 t;
-
- t = fe_r32(FE_MDIO_ACCESS);
- if ((t & (0x1 << 31)) == 0)
- return 0;
-
- if (retries-- == 0)
- break;
-
- udelay(1);
- }
-
- dev_err(priv->device, "MDIO operation timed out\n");
- return -ETIMEDOUT;
-}
-
-int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
-{
- struct fe_priv *priv = bus->priv;
- int err;
- u32 t;
-
- err = rt2880_mdio_wait_ready(priv);
- if (err)
- return 0xffff;
-
- t = (phy_addr << 24) | (phy_reg << 16);
- fe_w32(t, FE_MDIO_ACCESS);
- t |= (1 << 31);
- fe_w32(t, FE_MDIO_ACCESS);
-
- err = rt2880_mdio_wait_ready(priv);
- if (err)
- return 0xffff;
-
- pr_debug("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
- phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
-
- return fe_r32(FE_MDIO_ACCESS) & 0xffff;
-}
-
-int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
-{
- struct fe_priv *priv = bus->priv;
- int err;
- u32 t;
-
- pr_debug("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
- phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
-
- err = rt2880_mdio_wait_ready(priv);
- if (err)
- return err;
-
- t = (1 << 30) | (phy_addr << 24) | (phy_reg << 16) | val;
- fe_w32(t, FE_MDIO_ACCESS);
- t |= (1 << 31);
- fe_w32(t, FE_MDIO_ACCESS);
-
- return rt2880_mdio_wait_ready(priv);
-}
-
-void rt2880_port_init(struct fe_priv *priv, struct device_node *np)
-{
- const __be32 *id = of_get_property(np, "reg", NULL);
- const __be32 *link;
- int size;
- int phy_mode;
-
- if (!id || (be32_to_cpu(*id) != 0)) {
- pr_err("%s: invalid port id\n", np->name);
- return;
- }
-
- priv->phy->phy_fixed[0] = of_get_property(np, "ralink,fixed-link", &size);
- if (priv->phy->phy_fixed[0] && (size != (4 * sizeof(*priv->phy->phy_fixed[0])))) {
- pr_err("%s: invalid fixed link property\n", np->name);
- priv->phy->phy_fixed[0] = NULL;
- return;
- }
-
- phy_mode = of_get_phy_mode(np);
- switch (phy_mode) {
- case PHY_INTERFACE_MODE_RGMII:
- break;
- case PHY_INTERFACE_MODE_MII:
- break;
- case PHY_INTERFACE_MODE_RMII:
- break;
- default:
- if (!priv->phy->phy_fixed[0])
- dev_err(priv->device, "port %d - invalid phy mode\n", priv->phy->speed[0]);
- break;
- }
-
- priv->phy->phy_node[0] = of_parse_phandle(np, "phy-handle", 0);
- if (!priv->phy->phy_node[0] && !priv->phy->phy_fixed[0])
- return;
-
- if (priv->phy->phy_fixed[0]) {
- link = priv->phy->phy_fixed[0];
- priv->phy->speed[0] = be32_to_cpup(link++);
- priv->phy->duplex[0] = be32_to_cpup(link++);
- priv->phy->tx_fc[0] = be32_to_cpup(link++);
- priv->phy->rx_fc[0] = be32_to_cpup(link++);
-
- priv->link[0] = 1;
- switch (priv->phy->speed[0]) {
- case SPEED_10:
- break;
- case SPEED_100:
- break;
- case SPEED_1000:
- break;
- default:
- dev_err(priv->device, "invalid link speed: %d\n", priv->phy->speed[0]);
- priv->phy->phy_fixed[0] = 0;
- return;
- }
- dev_info(priv->device, "using fixed link parameters\n");
- rt2880_mdio_link_adjust(priv, 0);
- return;
- }
- if (priv->phy->phy_node[0] && priv->mii_bus->phy_map[0]) {
- fe_connect_phy_node(priv, priv->phy->phy_node[0]);
- }
-
- return;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-28 00:30:13 +0000