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uboot-1.1.4-kirkwood/board/mv_feroceon/mv_hal/ethswitch/mvSwitch.c

443 lines
14 KiB
C

/*******************************************************************************
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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*******************************************************************************/
#include "mvOs.h"
#include "mvSwitch.h"
#include "eth-phy/mvEthPhy.h"
#include "mvSwitchRegs.h"
#include "mvCtrlEnvLib.h"
static void switchVlanInit(MV_U32 ethPortNum,
MV_U32 switchCpuPort,
MV_U32 switchMaxPortsNum,
MV_U32 switchPortsOffset,
MV_U32 switchEnabledPortsMask);
static void mvEthSwitchRegWrite(MV_U32 ethPortNum, MV_U32 phyAddr,
MV_U32 regOffs, MV_U16 data);
static void mvEthSwitchRegRead(MV_U32 ethPortNum, MV_U32 phyAddr,
MV_U32 regOffs, MV_U16 *data);
int switchMultiChipMode = 0xdeadbeef;
/*******************************************************************************
* mvEthE6065_61PhyBasicInit -
*
* DESCRIPTION:
* Do a basic Init to the Phy , including reset
*
* INPUT:
* ethPortNum - Ethernet port number
*
* OUTPUT:
* None.
*
* RETURN: None
*
*******************************************************************************/
MV_VOID mvEthE6065_61SwitchBasicInit(MV_U32 ethPortNum)
{
switchVlanInit(ethPortNum,
MV_E6065_CPU_PORT,
MV_E6065_MAX_PORTS_NUM,
MV_E6065_PORTS_OFFSET,
MV_E6065_ENABLED_PORTS);
}
/*******************************************************************************
* mvEthE6063PhyBasicInit -
*
* DESCRIPTION:
* Do a basic Init to the Phy , including reset
*
* INPUT:
* ethPortNum - Ethernet port number
*
* OUTPUT:
* None.
*
* RETURN: None
*
*******************************************************************************/
MV_VOID mvEthE6063SwitchBasicInit(MV_U32 ethPortNum)
{
switchVlanInit(ethPortNum,
MV_E6063_CPU_PORT,
MV_E6063_MAX_PORTS_NUM,
MV_E6063_PORTS_OFFSET,
MV_E6063_ENABLED_PORTS);
}
/*******************************************************************************
* mvEthE6131PhyBasicInit -
*
* DESCRIPTION:
* Do a basic Init to the Phy , including reset
*
* INPUT:
* ethPortNum - Ethernet port number
*
* OUTPUT:
* None.
*
* RETURN: None
*
*******************************************************************************/
MV_VOID mvEthE6131SwitchBasicInit(MV_U32 ethPortNum)
{
MV_U16 reg;
/*Enable Phy power up*/
mvEthPhyRegWrite (0,0,0x9140);
mvEthPhyRegWrite (1,0,0x9140);
mvEthPhyRegWrite (2,0,0x9140);
/*Enable PPU*/
mvEthPhyRegWrite (0x1b,4,0x4080);
/*Enable Phy detection*/
mvEthPhyRegRead (0x13,0,&reg);
reg &= ~(1<<12);
mvEthPhyRegWrite (0x13,0,reg);
mvOsDelay(100);
mvEthPhyRegWrite (0x13,1,0x33);
switchVlanInit(ethPortNum,
MV_E6131_CPU_PORT,
MV_E6131_MAX_PORTS_NUM,
MV_E6131_PORTS_OFFSET,
MV_E6131_ENABLED_PORTS);
}
/*******************************************************************************
* mvEthE6161PhyBasicInit -
*
* DESCRIPTION:
* Do a basic Init to the Phy , including reset
*
* INPUT:
* ethPortNum - Ethernet port number
*
* OUTPUT:
* None.
*
* RETURN: None
*
*******************************************************************************/
MV_VOID mvEthE6161SwitchBasicInit(MV_U32 ethPortNum)
{
MV_U32 prt;
MV_U16 reg;
volatile MV_U32 timeout;
/* The 6161/5 needs a delay */
mvOsDelay(1000);
/* Init vlan */
switchVlanInit(ethPortNum,
MV_E6161_CPU_PORT,
MV_E6161_MAX_PORTS_NUM,
MV_E6161_PORTS_OFFSET,
MV_E6161_ENABLED_PORTS);
/* Enable RGMII delay on Tx and Rx for CPU port */
mvEthSwitchRegWrite (ethPortNum, 0x14,0x1a,0x81e7);
mvEthSwitchRegRead (ethPortNum, 0x15,0x1a,&reg);
mvEthSwitchRegWrite (ethPortNum, 0x15,0x1a,0x18);
mvEthSwitchRegWrite (ethPortNum, 0x14,0x1a,0xc1e7);
for(prt=0; prt < MV_E6161_MAX_PORTS_NUM; prt++)
{
if (prt != MV_E6161_CPU_PORT)
{
/*Enable Phy power up*/
mvEthSwitchRegWrite (ethPortNum, MV_E6161_GLOBAL_2_REG_DEV_ADDR,
MV_E6161_SMI_PHY_DATA, 0x3360);
mvEthSwitchRegWrite (ethPortNum, MV_E6161_GLOBAL_2_REG_DEV_ADDR,
MV_E6161_SMI_PHY_COMMAND, (0x9410 | (prt << 5)));
/*Make sure SMIBusy bit cleared before another SMI operation can take place*/
timeout = E6161_PHY_TIMEOUT;
do
{
mvEthSwitchRegRead(ethPortNum, MV_E6161_GLOBAL_2_REG_DEV_ADDR,
MV_E6161_SMI_PHY_COMMAND,&reg);
if(timeout-- == 0)
{
mvOsPrintf("mvEthPhyRegRead: SMI busy timeout\n");
return;
}
}while (reg & E6161_PHY_SMI_BUSY_MASK);
mvEthSwitchRegWrite (ethPortNum, MV_E6161_GLOBAL_2_REG_DEV_ADDR,
MV_E6161_SMI_PHY_DATA,0x1140);
mvEthSwitchRegWrite (ethPortNum, MV_E6161_GLOBAL_2_REG_DEV_ADDR,
MV_E6161_SMI_PHY_COMMAND,(0x9400 | (prt << 5)));
/*Make sure SMIBusy bit cleared before another SMI operation can take place*/
timeout = E6161_PHY_TIMEOUT;
do
{
mvEthSwitchRegRead(ethPortNum, MV_E6161_GLOBAL_2_REG_DEV_ADDR,
MV_E6161_SMI_PHY_COMMAND,&reg);
if(timeout-- == 0)
{
mvOsPrintf("mvEthPhyRegRead: SMI busy timeout\n");
return;
}
}while (reg & E6161_PHY_SMI_BUSY_MASK);
}
/*Enable port*/
mvEthSwitchRegWrite (ethPortNum, MV_E6161_PORTS_OFFSET + prt, 4, 0x7f);
}
/*Force CPU port to RGMII FDX 1000Base*/
mvEthSwitchRegWrite (ethPortNum, MV_E6161_PORTS_OFFSET + MV_E6161_CPU_PORT, 1, 0x3e);
}
static void switchVlanInit(MV_U32 ethPortNum,
MV_U32 switchCpuPort,
MV_U32 switchMaxPortsNum,
MV_U32 switchPortsOffset,
MV_U32 switchEnabledPortsMask)
{
MV_U32 prt;
MV_U16 reg;
/* be sure all ports are disabled */
for(prt=0; prt < switchMaxPortsNum; prt++)
{
mvEthSwitchRegRead (ethPortNum, MV_SWITCH_PORT_OFFSET(prt),
MV_SWITCH_PORT_CONTROL_REG,&reg);
reg &= ~0x3;
mvEthSwitchRegWrite (ethPortNum, MV_SWITCH_PORT_OFFSET(prt),
MV_SWITCH_PORT_CONTROL_REG,reg);
}
/* Set CPU port VID to 0x1 */
mvEthSwitchRegRead (ethPortNum, MV_SWITCH_PORT_OFFSET(switchCpuPort),
MV_SWITCH_PORT_VID_REG,&reg);
reg &= ~0xfff;
reg |= 0x1;
mvEthSwitchRegWrite (ethPortNum, MV_SWITCH_PORT_OFFSET(switchCpuPort),
MV_SWITCH_PORT_VID_REG,reg);
/* Setting Port default priority for all ports to zero */
for(prt=0; prt < switchMaxPortsNum; prt++)
{
mvEthSwitchRegRead (ethPortNum, MV_SWITCH_PORT_OFFSET(prt),
MV_SWITCH_PORT_VID_REG,&reg);
reg &= ~0xc000;
mvEthSwitchRegWrite (ethPortNum, MV_SWITCH_PORT_OFFSET(prt),
MV_SWITCH_PORT_VID_REG,reg);
}
/* Setting VID and VID map for all ports except CPU port */
for(prt=0; prt < switchMaxPortsNum; prt++)
{
/* only for enabled ports */
if ((1 << prt)& switchEnabledPortsMask)
{
/* skip CPU port */
if (prt== switchCpuPort) continue;
/*
* set Ports VLAN Mapping.
* port prt <--> MV_SWITCH_CPU_PORT VLAN #prt+1.
*/
mvEthSwitchRegRead (ethPortNum, MV_SWITCH_PORT_OFFSET(prt),
MV_SWITCH_PORT_VID_REG,&reg);
reg &= ~0x0fff;
reg |= (prt+1);
mvEthSwitchRegWrite (ethPortNum, MV_SWITCH_PORT_OFFSET(prt),
MV_SWITCH_PORT_VID_REG,reg);
/* Set Vlan map table for all ports to send only to MV_SWITCH_CPU_PORT */
mvEthSwitchRegRead (ethPortNum, MV_SWITCH_PORT_OFFSET(prt),
MV_SWITCH_PORT_VMAP_REG,&reg);
reg &= ~((1 << switchMaxPortsNum) - 1);
reg |= (1 << switchCpuPort);
mvEthSwitchRegWrite (ethPortNum, MV_SWITCH_PORT_OFFSET(prt),
MV_SWITCH_PORT_VMAP_REG,reg);
}
}
/* Set Vlan map table for MV_SWITCH_CPU_PORT to see all ports*/
mvEthSwitchRegRead (ethPortNum, MV_SWITCH_PORT_OFFSET(switchCpuPort),
MV_SWITCH_PORT_VMAP_REG,&reg);
reg &= ~((1 << switchMaxPortsNum) - 1);
reg |= switchEnabledPortsMask & ~(1 << switchCpuPort);
mvEthSwitchRegWrite (ethPortNum, MV_SWITCH_PORT_OFFSET(switchCpuPort),
MV_SWITCH_PORT_VMAP_REG,reg);
/*enable only appropriate ports to forwarding mode - and disable the others*/
for(prt=0; prt < switchMaxPortsNum; prt++)
{
if ((1 << prt)& switchEnabledPortsMask)
{
mvEthSwitchRegRead (ethPortNum, MV_SWITCH_PORT_OFFSET(prt),
MV_SWITCH_PORT_CONTROL_REG,&reg);
reg |= 0x3;
mvEthSwitchRegWrite (ethPortNum, MV_SWITCH_PORT_OFFSET(prt),
MV_SWITCH_PORT_CONTROL_REG,reg);
}
else
{
/* Disable port */
mvEthSwitchRegRead (ethPortNum, MV_SWITCH_PORT_OFFSET(prt),
MV_SWITCH_PORT_CONTROL_REG,&reg);
reg &= ~0x3;
mvEthSwitchRegWrite (ethPortNum, MV_SWITCH_PORT_OFFSET(prt),
MV_SWITCH_PORT_CONTROL_REG,reg);
}
}
return;
}
static void mvEthSwitchRegWrite(MV_U32 ethPortNum, MV_U32 phyAddr,
MV_U32 regOffs, MV_U16 data)
{
MV_U16 reg;
if(switchMultiChipMode == 0xdeadbeef)
{
mvEthPhyRegRead(mvBoardPhyAddrGet(ethPortNum) ,0x2, &reg);
if(reg == 0xffff)
switchMultiChipMode = mvBoardPhyAddrGet(ethPortNum);
else
switchMultiChipMode = 0xffffffff;
}
if(switchMultiChipMode == 0xffffffff)
mvEthPhyRegWrite(phyAddr, regOffs, data);
else //If Switch is in multichip mode, need to use indirect register access
{
do
{
mvEthPhyRegRead(switchMultiChipMode, 0x0, &reg);
} while((reg & BIT15)); // Poll till SMIBusy bit is clear
mvEthPhyRegWrite(switchMultiChipMode, 0x1, data); // Write data to Switch indirect data register
mvEthPhyRegWrite(switchMultiChipMode, 0x0, regOffs | (phyAddr << 5) |
BIT10 | BIT12 | BIT15); // Write command to Switch indirect command register
}
}
static void mvEthSwitchRegRead(MV_U32 ethPortNum, MV_U32 phyAddr,
MV_U32 regOffs, MV_U16 *data)
{
MV_U16 reg;
if(switchMultiChipMode == 0xdeadbeef)
{
mvEthPhyRegRead(mvBoardPhyAddrGet(ethPortNum),0x2, &reg);
if(reg == 0xffff)
switchMultiChipMode = mvBoardPhyAddrGet(ethPortNum);
else
switchMultiChipMode = 0xffffffff;
}
if(switchMultiChipMode == 0xffffffff)
mvEthPhyRegRead(phyAddr, regOffs, &data);
else //If Switch is in multichip mode, need to use indirect register access
{
do
{
mvEthPhyRegRead(switchMultiChipMode, 0x0, &reg);
} while((reg & BIT15)); // Poll till SMIBusy bit is clear
mvEthPhyRegWrite(switchMultiChipMode, 0x0, regOffs | (phyAddr << 5) |
BIT11 | BIT12 | BIT15); // Write command to Switch indirect command register
do
{
mvEthPhyRegRead(switchMultiChipMode, 0, &reg);
} while((reg & BIT15)); // Poll till SMIBusy bit is clear
mvEthPhyRegRead(switchMultiChipMode, 0x1, &data); // Write data to Switch indirect data register
}
}