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/*
* Copyright (c) 2006-2024 RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-09-25 zhujiale the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <stdio.h>
#define DBG_TAG "rtdm.phy"
#define DBG_LVL DBG_LOG
#include <rtdbg.h>
#include "mdio.h"
#include "ofw.h"
static const char* const rt_phy_modes[] =
{
[RT_PHY_INTERFACE_MODE_NA] = "",
[RT_PHY_INTERFACE_MODE_INTERNAL] = "internal",
[RT_PHY_INTERFACE_MODE_MII] = "mii",
[RT_PHY_INTERFACE_MODE_GMII] = "gmii",
[RT_PHY_INTERFACE_MODE_SGMII] = "sgmii",
[RT_PHY_INTERFACE_MODE_TBI] = "tbi",
[RT_PHY_INTERFACE_MODE_REVMII] = "rev-mii",
[RT_PHY_INTERFACE_MODE_RMII] = "rmii",
[RT_PHY_INTERFACE_MODE_REVRMII] = "rev-rmii",
[RT_PHY_INTERFACE_MODE_RGMII] = "rgmii",
[RT_PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id",
[RT_PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid",
[RT_PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
[RT_PHY_INTERFACE_MODE_RTBI] = "rtbi",
[RT_PHY_INTERFACE_MODE_SMII] = "smii",
[RT_PHY_INTERFACE_MODE_XGMII] = "xgmii",
[RT_PHY_INTERFACE_MODE_XLGMII] = "xlgmii",
[RT_PHY_INTERFACE_MODE_MOCA] = "moca",
[RT_PHY_INTERFACE_MODE_PSGMII] = "psgmii",
[RT_PHY_INTERFACE_MODE_QSGMII] = "qsgmii",
[RT_PHY_INTERFACE_MODE_TRGMII] = "trgmii",
[RT_PHY_INTERFACE_MODE_1000BASEX] = "1000base-x",
[RT_PHY_INTERFACE_MODE_1000BASEKX] = "1000base-kx",
[RT_PHY_INTERFACE_MODE_2500BASEX] = "2500base-x",
[RT_PHY_INTERFACE_MODE_5GBASER] = "5gbase-r",
[RT_PHY_INTERFACE_MODE_RXAUI] = "rxaui",
[RT_PHY_INTERFACE_MODE_XAUI] = "xaui",
[RT_PHY_INTERFACE_MODE_10GBASER] = "10gbase-r",
[RT_PHY_INTERFACE_MODE_25GBASER] = "25gbase-r",
[RT_PHY_INTERFACE_MODE_USXGMII] = "usxgmii",
[RT_PHY_INTERFACE_MODE_10GKR] = "10gbase-kr",
[RT_PHY_INTERFACE_MODE_100BASEX] = "100base-x",
[RT_PHY_INTERFACE_MODE_QUSGMII] = "qusgmii",
[RT_PHY_INTERFACE_MODE_MAX] = "",
};
static rt_err_t _get_interface_by_name(const char *name, rt_phy_interface *interface)
{
for (int i = 0; i < RT_PHY_INTERFACE_MODE_MAX; i++)
{
if (!strcmp(name, rt_phy_modes[i]))
{
*interface = i;
return RT_EOK;
}
}
return -RT_ERROR;
}
rt_err_t rt_ofw_get_interface(struct rt_ofw_node *np, rt_phy_interface *interface)
{
const char *phy_mode = RT_NULL;
if (rt_ofw_prop_read_string(np, "phy-mode", &phy_mode))
rt_ofw_prop_read_string(np, "phy-connection-type", &phy_mode);
if (!phy_mode)
return -RT_ERROR;
return _get_interface_by_name(phy_mode, interface);
}
rt_err_t rt_ofw_get_mac_addr_by_name(struct rt_ofw_node *np, const char *name, rt_uint8_t *addr)
{
rt_ssize_t len;
const void *p;
p = rt_ofw_prop_read_raw(np, name, &len);
if (p)
{
rt_memcpy(addr, p, len);
return RT_EOK;
}
return -RT_ERROR;
}
rt_err_t rt_ofw_get_mac_addr(struct rt_ofw_node *np, rt_uint8_t *addr)
{
if (!rt_ofw_get_mac_addr_by_name(np, "mac-address", addr))
return RT_EOK;
if (!rt_ofw_get_mac_addr_by_name(np, "local-mac-address", addr))
return RT_EOK;
if (!rt_ofw_get_mac_addr_by_name(np, "address", addr))
return RT_EOK;
return -RT_ERROR;
}
rt_err_t rt_ofw_get_phyid(struct rt_ofw_node *np,rt_uint32_t *id)
{
struct rt_ofw_prop *prop;
const char *phy_id;
unsigned int upper, lower;
rt_ofw_foreach_prop_string(np, "compatible", prop, phy_id)
{
if (rt_sscanf(phy_id, "ethernet-phy-id%4x.%4x", &upper, &lower) == 2)
{
*id = ((upper & 0xffff) << 16) | (lower & 0xffff);
return RT_EOK;
}
}
return -RT_ERROR;
}
static int ofw_read_phy_id(struct mii_bus *bus, int addr, rt_uint32_t *id)
{
int reg;
reg = bus->read(bus, addr, RT_MDIO_DEVAD_NONE, RT_MII_PHYSID1);
if (reg < 0)
{
return -RT_EIO;
}
*id = (reg & 0xffff) << 16;
reg = bus->read(bus, addr, RT_MDIO_DEVAD_NONE, RT_MII_PHYSID2);
if (reg < 0)
{
return -RT_EIO;
}
*id |= (reg & 0xffff);
return RT_EOK;
}
struct rt_phy_device *rt_ofw_create_phy(struct mii_bus *bus,struct rt_ofw_node *np,int phyaddr)
{
struct rt_phy_device *dev = RT_NULL;
struct rt_ofw_node *phy_node;
int ret;
rt_uint32_t id = 0xffff;
phy_node = rt_ofw_parse_phandle(np, "phy-handle", 0);
if (!phy_node)
{
LOG_D("Failed to find phy-handle");
return RT_NULL;
}
ret = rt_ofw_get_phyid(phy_node, &id);
if (ret)
{
rt_uint32_t reg = 0;
int addr;
if (rt_ofw_prop_read_u32(phy_node, "reg", ®))
{
rt_ofw_node_put(phy_node);
return RT_NULL;
}
addr = (phyaddr >= 0) ? phyaddr : (int)reg;
id = 0xffffffff;
if (!ofw_read_phy_id(bus, addr, &id) &&
(id & 0x1fffffff) != 0x1fffffff)
{
LOG_D("PHY id from MDIO: 0x%08x @ addr %d", id, addr);
}
else
{
id = 0xffffffff;
LOG_D("MDIO PHY id read failed @ addr %d, use generic PHY", addr);
}
dev = rt_phy_device_create(bus, addr, id, RT_FALSE);
if (dev)
{
dev->node = phy_node;
}
else
{
rt_ofw_node_put(phy_node);
}
return dev;
}
LOG_D("Found a PHY id: 0x%x", id);
dev = rt_phy_device_create(bus, phyaddr, id, RT_FALSE);
if (dev)
{
dev->node = phy_node;
}
else
{
rt_ofw_node_put(phy_node);
}
return dev;
}
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