Diff: PowerControl/EthernetPowerControl.cpp

Revision:

12:38c5efed7950

Parent:

11:2aa84e063c49

--- a/PowerControl/EthernetPowerControl.cpp	Wed Mar 21 16:22:34 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,138 +0,0 @@
-#include "EthernetPowerControl.h"
-
-static void write_PHY (unsigned int PhyReg, unsigned short Value) {
-   /* Write a data 'Value' to PHY register 'PhyReg'. */
-   unsigned int tout;
-   /* Hardware MII Management for LPC176x devices. */
-   LPC_EMAC->MADR = DP83848C_DEF_ADR | PhyReg;
-   LPC_EMAC->MWTD = Value;
-
-   /* Wait utill operation completed */
-   for (tout = 0; tout < MII_WR_TOUT; tout++) {
-      if ((LPC_EMAC->MIND & MIND_BUSY) == 0) {
-         break;
-      }
-   }
-}
-
-static unsigned short read_PHY (unsigned int PhyReg) {
-   /* Read a PHY register 'PhyReg'. */
-   unsigned int tout, val;
-
-   LPC_EMAC->MADR = DP83848C_DEF_ADR | PhyReg;
-   LPC_EMAC->MCMD = MCMD_READ;
-
-   /* Wait until operation completed */
-   for (tout = 0; tout < MII_RD_TOUT; tout++) {
-      if ((LPC_EMAC->MIND & MIND_BUSY) == 0) {
-         break;
-      }
-   }
-   LPC_EMAC->MCMD = 0;
-   val = LPC_EMAC->MRDD;
-   
-   return (val);
-}
-
-void EMAC_Init()
-{
-  unsigned int tout,regv;
-  /* Power Up the EMAC controller. */
-  Peripheral_PowerUp(LPC1768_PCONP_PCENET);
-  
-  LPC_PINCON->PINSEL2 = 0x50150105;
-  LPC_PINCON->PINSEL3 &= ~0x0000000F;
-  LPC_PINCON->PINSEL3 |= 0x00000005;
-
-  /* Reset all EMAC internal modules. */
-  LPC_EMAC->MAC1 = MAC1_RES_TX | MAC1_RES_MCS_TX | MAC1_RES_RX | MAC1_RES_MCS_RX |
-             MAC1_SIM_RES | MAC1_SOFT_RES;
-  LPC_EMAC->Command = CR_REG_RES | CR_TX_RES | CR_RX_RES;
-
-  /* A short delay after reset. */
-  for (tout = 100; tout; tout--);
-
-  /* Initialize MAC control registers. */
-  LPC_EMAC->MAC1 = MAC1_PASS_ALL;
-  LPC_EMAC->MAC2 = MAC2_CRC_EN | MAC2_PAD_EN;
-  LPC_EMAC->MAXF = ETH_MAX_FLEN;
-  LPC_EMAC->CLRT = CLRT_DEF;
-  LPC_EMAC->IPGR = IPGR_DEF;
-
-  /* Enable Reduced MII interface. */
-  LPC_EMAC->Command = CR_RMII | CR_PASS_RUNT_FRM;
-
-  /* Reset Reduced MII Logic. */
-  LPC_EMAC->SUPP = SUPP_RES_RMII;
-  for (tout = 100; tout; tout--);
-  LPC_EMAC->SUPP = 0;
-
-  /* Put the DP83848C in reset mode */
-  write_PHY (PHY_REG_BMCR, 0x8000);
-
-  /* Wait for hardware reset to end. */
-  for (tout = 0; tout < 0x100000; tout++) {
-    regv = read_PHY (PHY_REG_BMCR);
-    if (!(regv & 0x8000)) {
-      /* Reset complete */
-      break;
-    }
-  }
-}
-
-
-void PHY_PowerDown()
-{
-    if (!Peripheral_GetStatus(LPC1768_PCONP_PCENET))
-        EMAC_Init(); //init EMAC if it is not already init'd
-    
-    unsigned int regv;
-    regv = read_PHY(PHY_REG_BMCR);
-    write_PHY(PHY_REG_BMCR, regv | (1 << PHY_REG_BMCR_POWERDOWN));
-    regv = read_PHY(PHY_REG_BMCR);
-    
-    //shouldn't need the EMAC now.
-    Peripheral_PowerDown(LPC1768_PCONP_PCENET);
-    
-    //and turn off the PHY OSC
-     LPC_GPIO1->FIODIR |= 0x8000000;
-     LPC_GPIO1->FIOCLR = 0x8000000;
-}
-
-void PHY_PowerUp()
-{   
-    if (!Peripheral_GetStatus(LPC1768_PCONP_PCENET))
-        EMAC_Init(); //init EMAC if it is not already init'd
-        
-    LPC_GPIO1->FIODIR |= 0x8000000;
-    LPC_GPIO1->FIOSET = 0x8000000;
-    
-    //wait for osc to be stable
-    wait_ms(200);
-    
-    unsigned int regv;
-    regv = read_PHY(PHY_REG_BMCR);
-    write_PHY(PHY_REG_BMCR, regv & ~(1 << PHY_REG_BMCR_POWERDOWN));
-    regv = read_PHY(PHY_REG_BMCR);
-}
-
-void PHY_EnergyDetect_Enable()
-{
-    if (!Peripheral_GetStatus(LPC1768_PCONP_PCENET))
-        EMAC_Init(); //init EMAC if it is not already init'd
-        
-    unsigned int regv;
-    regv = read_PHY(PHY_REG_EDCR);
-    write_PHY(PHY_REG_BMCR, regv | (1 << PHY_REG_EDCR_ENABLE));
-    regv = read_PHY(PHY_REG_EDCR);   
-}
-
-void PHY_EnergyDetect_Disable()
-{
-    if (!Peripheral_GetStatus(LPC1768_PCONP_PCENET))
-        EMAC_Init(); //init EMAC if it is not already init'd
-    unsigned int regv;
-    regv = read_PHY(PHY_REG_EDCR);
-    write_PHY(PHY_REG_BMCR, regv & ~(1 << PHY_REG_EDCR_ENABLE));
-    regv = read_PHY(PHY_REG_EDCR);   
-}
\ No newline at end of file