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[bsp] update Ethernet PHY configuration

This commit is contained in:
tanek liang 2017-12-15 15:49:13 +08:00
parent 50ffc11704
commit f1c6dc1a4d
1 changed files with 101 additions and 37 deletions
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138
bsp/imxrt1052-evk/drivers/drv_eth.c
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@ -36,8 +36,6 @@
#define PHY_ADDRESS 0x02u
/* debug option */
//#define ETH_RX_DUMP
//#define ETH_TX_DUMP
@ -50,7 +48,6 @@
#define MAX_ADDR_LEN 6
struct rt_imxrt_eth
{
/* inherit from ethernet device */
@ -63,6 +60,9 @@ struct rt_imxrt_eth
rt_bool_t tx_is_waiting;
struct rt_semaphore tx_wait;
enet_mii_speed_t speed;
enet_mii_duplex_t duplex;
};
ALIGN(ENET_BUFF_ALIGNMENT) enet_tx_bd_struct_t g_txBuffDescrip[ENET_TXBD_NUM] SECTION("NonCacheable");
@ -351,10 +351,6 @@ static void _enet_config(void)
{
enet_config_t config;
uint32_t sysClock;
status_t status;
phy_speed_t speed;
phy_duplex_t duplex;
bool link = false;
/* prepare the buffer configuration. */
enet_buffer_config_t buffConfig = {
@ -378,48 +374,26 @@ static void _enet_config(void)
ENET_GetDefaultConfig(&config);
config.interrupt = kENET_TxFrameInterrupt | kENET_RxFrameInterrupt;
//config.interrupt = 0xFFFFFFFF;
config.miiSpeed = imxrt_eth_device.speed;
config.miiDuplex = imxrt_eth_device.duplex;
/* Set SMI to get PHY link status. */
sysClock = CLOCK_GetFreq(kCLOCK_AhbClk);
status = PHY_Init(imxrt_eth_device.enet_base, PHY_ADDRESS, sysClock);
if (status == kStatus_Success)
{
PHY_GetLinkStatus(imxrt_eth_device.enet_base, PHY_ADDRESS, &link);
if (link)
{
/* Get the actual PHY link speed. */
PHY_GetLinkSpeedDuplex(imxrt_eth_device.enet_base, PHY_ADDRESS, &speed, &duplex);
/* Change the MII speed and duplex for actual link status. */
config.miiSpeed = (enet_mii_speed_t)speed;
config.miiDuplex = (enet_mii_duplex_t)duplex;
}
dbg_log(DBG_LOG, "PHY Auto-negotiation success.\n");
eth_device_linkchange(&imxrt_eth_device.parent, RT_TRUE);
}
else
{
config.miiSpeed = kENET_MiiSpeed10M;
config.miiDuplex = kENET_MiiHalfDuplex;
dbg_log(DBG_WARNING, "PHY Auto-negotiation failed. Please check the cable connection and link partner setting.\n");
eth_device_linkchange(&imxrt_eth_device.parent, RT_FALSE);
}
dbg_log(DBG_LOG, "deinit\n");
ENET_Deinit(imxrt_eth_device.enet_base);
dbg_log(DBG_LOG, "init\n");
ENET_Init(imxrt_eth_device.enet_base, &imxrt_eth_device.enet_handle, &config, &buffConfig, &imxrt_eth_device.dev_addr[0], sysClock);
dbg_log(DBG_LOG, "set call back\n");
ENET_SetCallback(&imxrt_eth_device.enet_handle, _enet_callback, &imxrt_eth_device);
dbg_log(DBG_LOG, "active read\n");
ENET_ActiveRead(imxrt_eth_device.enet_base);
}
/* initialize the interface */
static rt_err_t rt_imxrt_eth_init(rt_device_t dev)
{
_enet_io_init();
_enet_clk_init();
_enet_phy_reset_by_gpio();
dbg_log(DBG_LOG, "rt_imxrt_eth_init...\n");
_enet_config();
return RT_EOK;
@ -576,10 +550,81 @@ struct pbuf *rt_imxrt_eth_rx(rt_device_t dev)
return NULL;
}
static void phy_monitor_thread_entry(void *parameter)
{
phy_speed_t speed;
phy_duplex_t duplex;
bool link = false;
_enet_phy_reset_by_gpio();
PHY_Init(imxrt_eth_device.enet_base, PHY_ADDRESS, CLOCK_GetFreq(kCLOCK_AhbClk));
while (1)
{
bool new_link = false;
status_t status = PHY_GetLinkStatus(imxrt_eth_device.enet_base, PHY_ADDRESS, &new_link);
if ((status == kStatus_Success) && (link != new_link))
{
link = new_link;
if (link) // link up
{
PHY_GetLinkSpeedDuplex(imxrt_eth_device.enet_base, PHY_ADDRESS, &speed, &duplex);
if (kENET_MiiSpeed10M == speed)
{
dbg_log(DBG_LOG, "10M\n");
}
else
{
dbg_log(DBG_LOG, "100M\n");
}
if (kENET_MiiHalfDuplex == duplex)
{
dbg_log(DBG_LOG, "half dumplex\n");
}
else
{
dbg_log(DBG_LOG, "full dumplex\n");
}
if ((imxrt_eth_device.speed != speed) || (imxrt_eth_device.duplex != duplex))
{
imxrt_eth_device.speed = (enet_mii_speed_t)speed;
imxrt_eth_device.duplex = (enet_mii_duplex_t)duplex;
dbg_log(DBG_LOG, "link up, and update eth mode.\n");
rt_imxrt_eth_init((rt_device_t)&imxrt_eth_device);
}
else
{
dbg_log(DBG_LOG, "link up, eth not need re-config.\n");
}
dbg_log(DBG_LOG, "link up.\n");
eth_device_linkchange(&imxrt_eth_device.parent, RT_TRUE);
}
else // link down
{
dbg_log(DBG_LOG, "link down.\n");
eth_device_linkchange(&imxrt_eth_device.parent, RT_FALSE);
}
}
rt_thread_delay(RT_TICK_PER_SECOND * 2);
}
}
static int rt_hw_imxrt_eth_init(void)
{
rt_err_t state;
_enet_io_init();
_enet_clk_init();
/* OUI 00-80-E1 STMICROELECTRONICS. */
imxrt_eth_device.dev_addr[0] = 0x00;
imxrt_eth_device.dev_addr[1] = 0x80;
@ -589,6 +634,9 @@ static int rt_hw_imxrt_eth_init(void)
imxrt_eth_device.dev_addr[4] = 0x34;
imxrt_eth_device.dev_addr[5] = 0x56;
imxrt_eth_device.speed = kENET_MiiSpeed100M;
imxrt_eth_device.duplex = kENET_MiiFullDuplex;
imxrt_eth_device.enet_base = ENET;
imxrt_eth_device.parent.parent.init = rt_imxrt_eth_init;
@ -617,6 +665,22 @@ static int rt_hw_imxrt_eth_init(void)
{
dbg_log(DBG_LOG, "eth_device_init faild: %d\r\n", state);
}
eth_device_linkchange(&imxrt_eth_device.parent, RT_FALSE);
/* start phy monitor */
{
rt_thread_t tid;
tid = rt_thread_create("phy",
phy_monitor_thread_entry,
RT_NULL,
512,
RT_THREAD_PRIORITY_MAX - 2,
2);
if (tid != RT_NULL)
rt_thread_startup(tid);
}
return state;
}
INIT_DEVICE_EXPORT(rt_hw_imxrt_eth_init);