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add delay for PHY check.

This commit is contained in:
aozima 2014-09-02 11:24:38 +08:00
parent ff4fcd5b56
commit 89bcb70e5f
1 changed files with 19 additions and 15 deletions
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34
bsp/CME_M7/drivers/app_phy.c
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@ -31,7 +31,7 @@ void phy_Reset() {
uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_CONTROL); uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_CONTROL);
if ((ret & PHY_BIT_CONTROL_RESET) == 0) { if ((ret & PHY_BIT_CONTROL_RESET) == 0) {
break; break;
} }
} }
} }
@ -45,19 +45,23 @@ void phy_AutoMediaSelect() {
ETH_PhyWrite(PHY_BASE_ADDR, PHY_REG_EXTEND_STATUS, data); ETH_PhyWrite(PHY_BASE_ADDR, PHY_REG_EXTEND_STATUS, data);
} }
void phy_AutoNeg() { void phy_AutoNeg()
uint32_t data; {
uint32_t data;
data = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_CONTROL); data = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_CONTROL);
data |= (PHY_BIT_CONTROL_ANEN | PHY_BIT_CONTROL_RSAN); data |= (PHY_BIT_CONTROL_ANEN | PHY_BIT_CONTROL_RSAN);
ETH_PhyWrite(PHY_BASE_ADDR, PHY_REG_CONTROL, data); ETH_PhyWrite(PHY_BASE_ADDR, PHY_REG_CONTROL, data);
while (1) { while (1)
uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_STATUS); {
if ((ret & PHY_BIT_STATUS_ANC) == PHY_BIT_STATUS_ANC) { uint32_t ret = ETH_PhyRead(PHY_BASE_ADDR, PHY_REG_STATUS);
break; if ((ret & PHY_BIT_STATUS_ANC) == PHY_BIT_STATUS_ANC)
} {
} break;
}
rt_thread_delay(1);
}
} }
BOOL phy_IsLink() { BOOL phy_IsLink() {
@ -106,12 +110,12 @@ BOOL phy_Init() {
printf("PHY runs in %dM speed %s duplex\n", printf("PHY runs in %dM speed %s duplex\n",
speed, (phy_GetDuplex() == PHY_DUPLEX_HALF) ? "half" : "full"); speed, (phy_GetDuplex() == PHY_DUPLEX_HALF) ? "half" : "full");
} }
// After auto-negcioation, Mawell PHY need some // After auto-negcioation, Mawell PHY need some
// time to initial itself. // time to initial itself.
// So we have to delay some time since different // So we have to delay some time since different
// connection way, such as direct wire, hub, switch. // connection way, such as direct wire, hub, switch.
// If not to delay, the first several sent frame // If not to delay, the first several sent frame
// may be lost. // may be lost.
// Please according to actual environment to tune // Please according to actual environment to tune
// this delay. // this delay.