/******************************************************************************
*
* RamWriteAddr() - Writes one quadword to board RAM
*
* Description:
* Write one quadword to board RAM.
* For Yukon Extreme, if Addr == 2^29 then the qword
* at the current position of the hardware pointer is read.
*
* Returns:
* 0 on success, 1 on error
*/
static int RamWriteAddr(
SK_AC *pAC, /* Adapter context */
SK_U32 Addr, /* Address to be write at */
SK_U32 LowDword, /* Lower Dword to be write */
SK_U32 HighDword, /* Upper Dword to be write */
int SelectedRam) /* Selected RAM buffer 0, 1 or 3 */
{
/* Support for Yukon Extreme and Supreme */
if ((pAC->GIni.GIChipId == CHIP_ID_YUKON_EX) ||
(pAC->FwApp.ChipMode == SK_GEASF_CHIP_SU)) {
if (Addr == BIT_29) {
Addr = SelectedRam << 30;
}
else {
/* Use given address (lower 8 bits for TX, lower 9 bits for RX). */
Addr = (Addr & 0x7fffL) | BIT_29 | (SelectedRam << 30);
}
SelectedRam = 0;
}
else {
return(1);
}
SK_OUT32(pAC->IoBase, SELECT_RAM_BUFFER(SelectedRam, B3_RAM_ADDR), Addr);
SK_OUT32(pAC->IoBase, SELECT_RAM_BUFFER(SelectedRam, B3_RAM_DATA_LO), LowDword);
SK_OUT32(pAC->IoBase, SELECT_RAM_BUFFER(SelectedRam, B3_RAM_DATA_HI), HighDword);
return(0);
}
/*
*
* Start hardware timer (clock ticks are 16us).
*
*/
void SkHwtStart(
SK_AC *pAC, /* Adapters context */
SK_IOC Ioc, /* IoContext */
SK_U32 Time) /* Time in units of 16us to load the timer with. */
{
SK_U32 Cnt;
if (Time > SK_HWT_MAX)
Time = SK_HWT_MAX;
pAC->Hwt.TStart = Time;
pAC->Hwt.TStop = 0L;
Cnt = Time;
/*
* if time < 16 us
* time = 16 us
*/
if (!Cnt) {
Cnt++;
}
SK_OUT32(Ioc, B2_TI_INI, Cnt * SK_HWT_FAC);
SK_OUT16(Ioc, B2_TI_CTRL, TIM_START); /* Start timer. */
pAC->Hwt.TActive = SK_TRUE;
}
/*****************************************************************************
*
* SkPflCommand - Executes a command at the parallel flash
*
* Description:
* This function will send a command to the parallel flash
* and wait for it to complete.
*
* Returns:
* Nothing
*/
static void SkPflCommand(
SK_AC *pAC,
SK_IOC IoC,
int Part,
SK_U8 Cmd, /* comand code */
SK_U16 Data) /* data for command (if needed) */
{
SK_OUT32(IoC, FCU_WR_DATA, BIT_31 | (Cmd << 16) | Data);
/* bits 31..29 == 101: write access to parallel flash register. */
/* bits 26..24 == 010: 32-bit access. */
/* bits 7..0: register address */
SK_OUT32(IoC, FCU_MEM_CTRL, BIT_31 | BIT_29 | (2 << 24) | 0);
/* wait for the parallel flash to finish the command */
SK_PFL_WAIT_FINISH_CMD(pAC, IoC);
} /* SkPflCommand */
static void
DisableIntMod(SK_AC *pAC) {
SK_OUT32(pAC->IoBase, B2_IRQM_CTRL, TIM_STOP);
if (M_DIMINFO.DisplayStats) {
printk("Disabled interrupt moderation\n");
}
}
/*****************************************************************************
*
* SkPflWriteDword - Writes a dword into the parallel flash
*
* Description:
* This function writes the specified dword into the specified parallel flash
* location. The parallel flash should have been put previously in write enable
* mode and the target sector erased for the access to succeed.
*
* Returns:
* Nothing
*/
static void SkPflWriteDword(
SK_AC *pAC,
SK_IOC IoC,
int Part, /* Info or main part */
SK_U32 Addr, /* Address to write to */
SK_U32 Val) /* New value to be written */
{
Addr &= (1 << 20) - 1;
Addr |= BIT_31;
Addr |= (2 << 24);
/* bits 31..29 == 100: write access to information memory. */
/* bits 26..24 == 010: 32-bit access. */
Addr |= (Part << 30);
SK_OUT32(IoC, FCU_WR_DATA, Val);
SK_OUT32(IoC, FCU_MEM_CTRL, Addr);
SK_PFL_WAIT_FINISH_WR(pAC, IoC);
}
static void
EnableIntMod(SK_AC *pAC) {
unsigned long ModBase;
if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) {
ModBase = C_CLK_FREQ_GENESIS / pAC->DynIrqModInfo.MaxModIntsPerSec;
} else {
ModBase = C_CLK_FREQ_YUKON / pAC->DynIrqModInfo.MaxModIntsPerSec;
}
SK_OUT32(pAC->IoBase, B2_IRQM_INI, ModBase);
SK_OUT32(pAC->IoBase, B2_IRQM_MSK, pAC->DynIrqModInfo.MaskIrqModeration);
SK_OUT32(pAC->IoBase, B2_IRQM_CTRL, TIM_START);
if (M_DIMINFO.DisplayStats) {
printk("Enabled interrupt moderation (%i ints/sec)\n",
M_DIMINFO.MaxModIntsPerSec);
}
}
/*****************************************************************************
*
* SkPflCheck - Determines whether a parallel flash is present
*
* Description:
* This function determines whether a parallel flash is present.
*
* Returns:
* 0 No parallel flash
* 1 Parallel flash detected
*/
int SkPflCheck(
SK_AC *pAC,
SK_IOC IoC)
{
#ifdef XXX
unsigned long opcodes;
#endif /* XXX */
SK_IN8(IoC, B2_CHIP_ID, &pAC->pfl.YkChipId);
if (pAC->pfl.YkChipId == CHIP_ID_YUKON_SUPR) {
SkPflSetDevPtr(pAC, IoC);
if (pAC->pfl.pPflDev == NULL) {
/* unknown or no flash */
fl_print("\nFlash device\t: none\n");
return (0);
}
#ifdef XXX
/*
* set the opcodes for the SPI flash found
*/
SK_IN32(IoC, SPI_Y2_OPCODE_REG1, &opcodes);
opcodes &= 0x000000ffL;
opcodes |= ((((unsigned long)(pAC->pfl.pPflDev->opcodes.op_read)) << 8) |
(((unsigned long)(pAC->pfl.pPflDev->opcodes.op_read_id)) << 16) |
(((unsigned long)(pAC->pfl.pPflDev->opcodes.op_read_status)) << 24));
SK_OUT32(IoC, SPI_Y2_OPCODE_REG1, opcodes);
opcodes = (((unsigned long)(pAC->pfl.pPflDev->opcodes.op_write_enable)) |
(((unsigned long)(pAC->pfl.pPflDev->opcodes.op_write)) << 8) |
(((unsigned long)(pAC->pfl.pPflDev->opcodes.op_sector_erase)) << 16) |
(((unsigned long)(pAC->pfl.pPflDev->opcodes.op_chip_erase)) << 24));
SK_OUT32(IoC, SPI_Y2_OPCODE_REG2, opcodes);
#endif /* XXX */
return (1);
}
return (0);
}
/*
* writes a single byte or 4 bytes into the I2C device
*
* returns 0: success
* 1: error
*/
int SkI2cWrite(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC, /* I/O Context */
SK_U32 I2cData, /* I2C Data to write */
int I2cDev, /* I2C Device Address */
int I2cReg, /* I2C Device Register Address */
int I2cBurst) /* I2C Burst Flag ( 0 || I2C_BURST ) */
{
SK_OUT32(IoC, B2_I2C_DATA, I2cData);
SK_I2C_CTL(IoC, I2C_WRITE, I2cDev, I2cReg, I2cBurst);
return(SkI2cWait(pAC, IoC, I2C_WRITE));
} /* SkI2cWrite*/
/*
* Interrupt service function for the I2C Interface
*
* Clears the Interrupt source
*
* Reads the register and check it for sending a trap.
*
* Starts the timer if necessary.
*/
void SkI2cIsr(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC) /* I/O Context */
{
SK_EVPARA Para;
/* Clear I2C IRQ */
SK_OUT32(IoC, B2_I2C_IRQ, I2C_CLR_IRQ);
Para.Para64 = 0;
SkEventQueue(pAC, SKGE_I2C, SK_I2CEV_IRQ, Para);
} /* SkI2cIsr */
/*****************************************************************************
*
* SkPflReadChipId - Reads parallel flash IDs
*
* Description:
* This function reads the IDs of the parallel flash.
*
* Returns:
* Nothing (parallel flash manufacturer and device ID in parameters)
*/
static void SkPflReadChipId(
SK_AC *pAC,
SK_IOC IoC,
SK_U32 *pManId,
SK_U16 *pDevId)
{
/* Put manufacturer and device ID into proper registers. */
SkPflCommand(pAC, IoC, -1, pAC->pfl.pPflDev->opcodes.OpReadManDev, 0);
/* bits 31..29 == 001: read access to parallel flash register. */
/* bits 26..24 == 010: 32-bit access. */
/* bits 7..0: register address */
SK_OUT32(IoC, FCU_MEM_CTRL, BIT_29 | (2 << 24) | 0x18);
SK_PFL_WAIT_FINISH_RD(pAC, IoC);
SK_IN32(IoC, FCU_RD_DATA, pManId);
*pManId = FL_SWAP32(*pManId);
SK_OUT32(IoC, FCU_MEM_CTRL, BIT_29 | (2 << 24) | 0x1C);
SK_PFL_WAIT_FINISH_RD(pAC, IoC);
SK_IN16(IoC, FCU_RD_DATA, pDevId);
*pDevId = FL_SWAP16(*pDevId);
return;
}
/*
* writes a single byte or 4 bytes into the I2C device
*
* returns 0: success
* 1: error
*/
static int SkI2cWrite(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC, /* I/O Context */
SK_U32 I2cData, /* I2C Data to write */
int I2cDev, /* I2C Device Address */
int I2cDevSize, /* I2C Device Size (e.g. I2C_025K_DEV or I2C_2K_DEV) */
int I2cReg, /* I2C Device Register Address */
int I2cBurst) /* I2C Burst Flag */
{
SK_OUT32(IoC, B2_I2C_DATA, I2cData);
SK_I2C_CTL(IoC, I2C_WRITE, I2cDev, I2cDevSize, I2cReg, I2cBurst);
return(SkI2cWait(pAC, IoC, I2C_WRITE));
} /* SkI2cWrite*/
/*
* reads a single byte or 4 bytes from the I2C device
*
* returns the word read
*/
SK_U32 SkI2cRead(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC, /* I/O Context */
int I2cDev, /* I2C Device Address */
int I2cReg, /* I2C Device Register Address */
int I2cBurst) /* I2C Burst Flag ( 0 || I2C_BURST ) */
{
SK_U32 Data;
SK_OUT32(IoC, B2_I2C_DATA, 0);
SK_I2C_CTL(IoC, I2C_READ, I2cDev, I2cReg, I2cBurst);
if (SkI2cWait(pAC, IoC, I2C_READ)) {
w_print("I2C Transfer Timeout!\n");
}
SK_IN32(IoC, B2_I2C_DATA, &Data);
return(Data);
} /* SkI2cRead */
/*
* reads a single byte or 4 bytes from the I2C device
*
* returns the word read
*/
SK_U32 SkI2cRead(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC, /* I/O Context */
int I2cDev, /* I2C Device Address */
int I2cReg, /* I2C Device Register Address */
int I2cBurst) /* I2C Burst Flag */
{
SK_U32 Data;
SK_OUT32(IoC, B2_I2C_DATA, 0);
SK_I2C_CTL(IoC, I2C_READ, I2cDev, I2cReg, I2cBurst);
if (SkI2cWait(pAC, IoC, I2C_READ) != 0) {
w_print("%s\n", SKERR_I2C_E002MSG);
}
SK_IN32(IoC, B2_I2C_DATA, &Data);
return(Data);
} /* SkI2cRead */
/*****************************************************************************
*
* SkPflReadDword - Reads a dword from the parallel flash
*
* Description:
* The function reads a dword from the specified address in the parallel flash.
*
* Returns:
* The DWord read
*/
static SK_U32 SkPflReadDword(
SK_AC *pAC,
SK_IOC IoC,
int Part,
SK_U32 Addr) /* address in the parallel flash to read from */
{
SK_U32 Val;
Addr &= (1 << 20) - 1;
Addr |= (2 << 24);
/* bits 31..29 == 000: read access to information memory. */
/* bits 26..24 == 010: 32-bit access. */
Addr |= (Part << 30);
SK_OUT32(IoC, FCU_MEM_CTRL, Addr);
SK_PFL_WAIT_FINISH_RD(pAC, IoC);
SK_IN32(IoC, FCU_RD_DATA, &Val);
return (Val);
}
/*
*
* Start hardware timer (clock ticks are HW-dependent).
*
*/
void SkHwtStart(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC, /* I/O Context */
SK_U32 Time) /* Time in usec to load the timer */
{
if (Time > SK_HWT_MAX) {
Time = SK_HWT_MAX;
}
pAC->Hwt.TStart = Time;
pAC->Hwt.TStop = 0L;
if (!Time) {
Time = 1L;
}
SK_OUT32(IoC, B2_TI_INI, Time * SK_HWT_FAC);
SK_OUT16(IoC, B2_TI_CTRL, TIM_START); /* Start timer */
pAC->Hwt.TActive = SK_TRUE;
}
/*
* Do the init state 1 initialization
*
* initialize the following register of the LM80:
* Configuration register:
* - START, noINT, activeLOW, noINT#Clear, noRESET, noCI, noGPO#, noINIT
*
* Interrupt Mask Register 1:
* - all interrupts are Disabled (0xff)
*
* Interrupt Mask Register 2:
* - all interrupts are Disabled (0xff) Interrupt modi doesn't matter.
*
* Fan Divisor/RST_OUT register:
* - Divisors set to 1 (bits 00), all others 0s.
*
* OS# Configuration/Temperature resolution Register:
* - all 0s
*
*/
static int SkI2cInit1(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC) /* I/O Context */
{
int i;
SK_U8 I2cSwCtrl;
SK_GEPORT *pPrt; /* GIni Port struct pointer */
if (pAC->I2c.InitLevel != SK_INIT_DATA) {
/* ReInit not needed in I2C module */
return(0);
}
/* Set the Direction of I2C-Data Pin to IN */
SK_I2C_CLR_BIT(IoC, I2C_DATA_DIR | I2C_DATA);
/* Check for 32-Bit Yukon with Low at I2C-Data Pin */
SK_I2C_GET_SW(IoC, &I2cSwCtrl);
if ((I2cSwCtrl & I2C_DATA) == 0) {
/* this is a 32-Bit board */
pAC->GIni.GIYukon32Bit = SK_TRUE;
return(0);
}
/* Check for 64 Bit Yukon without sensors */
if (SkI2cWrite(pAC, IoC, 0, LM80_ADDR, I2C_025K_DEV, LM80_CFG, 0) != 0) {
return(0);
}
(void)SkI2cWrite(pAC, IoC, 0xffUL, LM80_ADDR, I2C_025K_DEV, LM80_IMSK_1, 0);
(void)SkI2cWrite(pAC, IoC, 0xffUL, LM80_ADDR, I2C_025K_DEV, LM80_IMSK_2, 0);
(void)SkI2cWrite(pAC, IoC, 0, LM80_ADDR, I2C_025K_DEV, LM80_FAN_CTRL, 0);
(void)SkI2cWrite(pAC, IoC, 0, LM80_ADDR, I2C_025K_DEV, LM80_TEMP_CTRL, 0);
(void)SkI2cWrite(pAC, IoC, (SK_U32)LM80_CFG_START, LM80_ADDR, I2C_025K_DEV,
LM80_CFG, 0);
/*
* MaxSens has to be updated here, because PhyType is not
* set when performing Init Level 0
*/
pAC->I2c.MaxSens = 5;
pPrt = &pAC->GIni.GP[0];
if (pAC->GIni.GIGenesis) {
if (pPrt->PhyType == SK_PHY_BCOM) {
if (pAC->GIni.GIMacsFound == 1) {
pAC->I2c.MaxSens += 1;
}
else {
pAC->I2c.MaxSens += 3;
}
}
}
else {
pAC->I2c.MaxSens += 3;
}
for (i = 0; i < pAC->I2c.MaxSens; i++) {
switch (i) {
case 0:
pAC->I2c.SenTable[i].SenDesc = "Temperature";
pAC->I2c.SenTable[i].SenType = SK_SEN_TEMP;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_TEMP_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_TEMP_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_TEMP_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_TEMP_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_TEMP_IN;
break;
case 1:
pAC->I2c.SenTable[i].SenDesc = "Voltage PCI";
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PCI_5V_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PCI_5V_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PCI_5V_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PCI_5V_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_VT0_IN;
break;
case 2:
pAC->I2c.SenTable[i].SenDesc = "Voltage PCI-IO";
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PCI_IO_5V_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PCI_IO_5V_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PCI_IO_3V3_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PCI_IO_3V3_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_VT1_IN;
pAC->I2c.SenTable[i].SenInit = SK_SEN_DYN_INIT_PCI_IO;
break;
case 3:
pAC->I2c.SenTable[i].SenDesc = "Voltage ASIC";
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_VDD_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_VDD_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_VDD_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_VDD_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_VT2_IN;
break;
case 4:
if (pAC->GIni.GIGenesis) {
if (pPrt->PhyType == SK_PHY_BCOM) {
pAC->I2c.SenTable[i].SenDesc = "Voltage PHY A PLL";
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PLL_3V3_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PLL_3V3_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PLL_3V3_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PLL_3V3_LOW_ERR;
}
else {
pAC->I2c.SenTable[i].SenDesc = "Voltage PMA";
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PLL_3V3_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PLL_3V3_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PLL_3V3_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PLL_3V3_LOW_ERR;
}
}
else {
pAC->I2c.SenTable[i].SenDesc = "Voltage VAUX";
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_VAUX_3V3_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_VAUX_3V3_HIGH_WARN;
if (pAC->GIni.GIVauxAvail) {
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_VAUX_3V3_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_VAUX_3V3_LOW_ERR;
}
else {
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_VAUX_0V_WARN_ERR;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_VAUX_0V_WARN_ERR;
}
}
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenReg = LM80_VT3_IN;
break;
case 5:
if (pAC->GIni.GIGenesis) {
pAC->I2c.SenTable[i].SenDesc = "Voltage PHY 2V5";
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PHY_2V5_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PHY_2V5_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PHY_2V5_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PHY_2V5_LOW_ERR;
}
else {
pAC->I2c.SenTable[i].SenDesc = "Voltage Core 1V5";
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_CORE_1V5_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_CORE_1V5_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_CORE_1V5_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_CORE_1V5_LOW_ERR;
}
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenReg = LM80_VT4_IN;
break;
case 6:
if (pAC->GIni.GIGenesis) {
pAC->I2c.SenTable[i].SenDesc = "Voltage PHY B PLL";
}
else {
pAC->I2c.SenTable[i].SenDesc = "Voltage PHY 3V3";
}
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PLL_3V3_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PLL_3V3_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PLL_3V3_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PLL_3V3_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_VT5_IN;
break;
case 7:
if (pAC->GIni.GIGenesis) {
pAC->I2c.SenTable[i].SenDesc = "Speed Fan";
pAC->I2c.SenTable[i].SenType = SK_SEN_FAN;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_FAN_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_FAN_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_FAN_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_FAN_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_FAN2_IN;
}
else {
pAC->I2c.SenTable[i].SenDesc = "Voltage PHY 2V5";
pAC->I2c.SenTable[i].SenType = SK_SEN_VOLT;
pAC->I2c.SenTable[i].SenThreErrHigh = SK_SEN_PHY_2V5_HIGH_ERR;
pAC->I2c.SenTable[i].SenThreWarnHigh = SK_SEN_PHY_2V5_HIGH_WARN;
pAC->I2c.SenTable[i].SenThreWarnLow = SK_SEN_PHY_2V5_LOW_WARN;
pAC->I2c.SenTable[i].SenThreErrLow = SK_SEN_PHY_2V5_LOW_ERR;
pAC->I2c.SenTable[i].SenReg = LM80_VT6_IN;
}
break;
default:
SK_ERR_LOG(pAC, SK_ERRCL_INIT | SK_ERRCL_SW,
SKERR_I2C_E001, SKERR_I2C_E001MSG);
break;
}
pAC->I2c.SenTable[i].SenValue = 0;
pAC->I2c.SenTable[i].SenErrFlag = SK_SEN_ERR_OK;
pAC->I2c.SenTable[i].SenErrCts = 0;
pAC->I2c.SenTable[i].SenBegErrTS = 0;
pAC->I2c.SenTable[i].SenState = SK_SEN_IDLE;
pAC->I2c.SenTable[i].SenRead = SkLm80ReadSensor;
pAC->I2c.SenTable[i].SenDev = LM80_ADDR;
}
#ifndef SK_DIAG
pAC->I2c.DummyReads = pAC->I2c.MaxSens;
#endif /* !SK_DIAG */
/* Clear I2C IRQ */
SK_OUT32(IoC, B2_I2C_IRQ, I2C_CLR_IRQ);
/* Now we are I/O initialized */
pAC->I2c.InitLevel = SK_INIT_IO;
return(0);
} /* SkI2cInit1 */
/*
* Do the init state 1 initialization
*
* initialize the following register of the LM80:
* Configuration register:
* - START, noINT, activeLOW, noINT#Clear, noRESET, noCI, noGPO#, noINIT
*
* Interrupt Mask Register 1:
* - all interrupts are Disabled (0xff)
*
* Interrupt Mask Register 2:
* - all interrupts are Disabled (0xff) Interrupt modi doesn't matter.
*
* Fan Divisor/RST_OUT register:
* - Divisors set to 1 (bits 00), all others 0s.
*
* OS# Configuration/Temperature resolution Register:
* - all 0s
*
*/
static int SkI2cInit1(
SK_AC *pAC, /* Adapter Context */
SK_IOC IoC) /* I/O Context */
{
if (pAC->I2c.InitLevel != SK_INIT_DATA) {
/* ReInit not needed in I2C module */
return(0);
}
SK_OUT32(IoC, B2_I2C_DATA, 0);
SK_I2C_CTL(IoC, I2C_WRITE, LM80_ADDR, LM80_CFG, 0);
(void)SkI2cWait(pAC, IoC, I2C_WRITE);
SK_OUT32(IoC, B2_I2C_DATA, 0xff);
SK_I2C_CTL(IoC, I2C_WRITE, LM80_ADDR, LM80_IMSK_1, 0);
(void)SkI2cWait(pAC, IoC, I2C_WRITE);
SK_OUT32(IoC, B2_I2C_DATA, 0xff);
SK_I2C_CTL(IoC, I2C_WRITE, LM80_ADDR, LM80_IMSK_2, 0);
(void)SkI2cWait(pAC, IoC, I2C_WRITE);
SK_OUT32(IoC, B2_I2C_DATA, 0x0);
SK_I2C_CTL(IoC, I2C_WRITE, LM80_ADDR, LM80_FAN_CTRL, 0);
(void)SkI2cWait(pAC, IoC, I2C_WRITE);
SK_OUT32(IoC, B2_I2C_DATA, 0);
SK_I2C_CTL(IoC, I2C_WRITE, LM80_ADDR, LM80_TEMP_CTRL, 0);
(void)SkI2cWait(pAC, IoC, I2C_WRITE);
SK_OUT32(IoC, B2_I2C_DATA, LM80_CFG_START);
SK_I2C_CTL(IoC, I2C_WRITE, LM80_ADDR, LM80_CFG, 0);
(void)SkI2cWait(pAC, IoC, I2C_WRITE);
/*
* MaxSens has to be initialized here, because PhyType is not
* set when performing Init Level 1
*/
switch (pAC->GIni.GP[0].PhyType) {
case SK_PHY_XMAC:
pAC->I2c.MaxSens = 5;
break;
case SK_PHY_BCOM:
pAC->I2c.SenTable[4].SenDesc = "Voltage PHY A PLL";
if (pAC->GIni.GIMacsFound == 1) {
pAC->I2c.MaxSens = 6;
}
else {
pAC->I2c.MaxSens = 8;
}
break;
case SK_PHY_LONE:
pAC->I2c.MaxSens = 5;
break;
}
#ifndef SK_DIAG
pAC->I2c.DummyReads = pAC->I2c.MaxSens;
/* Clear the interrupt source */
SK_OUT32(IoC, B2_I2C_IRQ, I2C_CLR_IRQ);
#endif /* !SK_DIAG */
/* Now we are I/O initialized */
pAC->I2c.InitLevel = SK_INIT_IO;
return(0);
} /* SkI2cInit1 */
static void
ResizeDimTimerDuration(SK_AC *pAC) {
SK_BOOL IncreaseTimerDuration;
int TotalMaxNbrDescr;
int UsedDescrRatio;
int RatioDiffAbs;
int RatioDiffRel;
int NewMaxModIntsPerSec;
int ModAdjValue;
long ModBase;
/*
** Check first if we are allowed to perform any modification
*/
if (IsIntModEnabled(pAC)) {
if (M_DIMINFO.IntModTypeSelect != C_INT_MOD_DYNAMIC) {
return;
} else {
if (M_DIMINFO.ModJustEnabled) {
M_DIMINFO.ModJustEnabled = SK_FALSE;
return;
}
}
}
/*
** If we got until here, we have to evaluate the amount of the
** descriptor ratio change...
*/
TotalMaxNbrDescr = pAC->RxDescrPerRing * GetRxCalls(pAC);
UsedDescrRatio = (M_DIMINFO.NbrProcessedDescr * 100) / TotalMaxNbrDescr;
if (UsedDescrRatio > M_DIMINFO.PrevUsedDescrRatio) {
RatioDiffAbs = (UsedDescrRatio - M_DIMINFO.PrevUsedDescrRatio);
RatioDiffRel = (RatioDiffAbs * 100) / UsedDescrRatio;
M_DIMINFO.PrevUsedDescrRatio = UsedDescrRatio;
IncreaseTimerDuration = SK_FALSE; /* in other words: DECREASE */
} else if (UsedDescrRatio < M_DIMINFO.PrevUsedDescrRatio) {
RatioDiffAbs = (M_DIMINFO.PrevUsedDescrRatio - UsedDescrRatio);
RatioDiffRel = (RatioDiffAbs * 100) / M_DIMINFO.PrevUsedDescrRatio;
M_DIMINFO.PrevUsedDescrRatio = UsedDescrRatio;
IncreaseTimerDuration = SK_TRUE; /* in other words: INCREASE */
} else {
RatioDiffAbs = (M_DIMINFO.PrevUsedDescrRatio - UsedDescrRatio);
RatioDiffRel = (RatioDiffAbs * 100) / M_DIMINFO.PrevUsedDescrRatio;
M_DIMINFO.PrevUsedDescrRatio = UsedDescrRatio;
IncreaseTimerDuration = SK_TRUE; /* in other words: INCREASE */
}
/*
** Now we can determine the change in percent
*/
if ((RatioDiffRel >= 0) && (RatioDiffRel <= 5) ) {
ModAdjValue = 1; /* 1% change - maybe some other value in future */
} else if ((RatioDiffRel > 5) && (RatioDiffRel <= 10) ) {
ModAdjValue = 1; /* 1% change - maybe some other value in future */
} else if ((RatioDiffRel > 10) && (RatioDiffRel <= 15) ) {
ModAdjValue = 1; /* 1% change - maybe some other value in future */
} else {
ModAdjValue = 1; /* 1% change - maybe some other value in future */
}
if (IncreaseTimerDuration) {
NewMaxModIntsPerSec = M_DIMINFO.MaxModIntsPerSec +
(M_DIMINFO.MaxModIntsPerSec * ModAdjValue) / 100;
} else {
NewMaxModIntsPerSec = M_DIMINFO.MaxModIntsPerSec -
(M_DIMINFO.MaxModIntsPerSec * ModAdjValue) / 100;
}
/*
** Check if we exceed boundaries...
*/
if ( (NewMaxModIntsPerSec > M_DIMINFO.MaxModIntsPerSecUpperLimit) ||
(NewMaxModIntsPerSec < M_DIMINFO.MaxModIntsPerSecLowerLimit)) {
if (M_DIMINFO.DisplayStats) {
printk("Cannot change ModTim from %i to %i ints/sec\n",
M_DIMINFO.MaxModIntsPerSec, NewMaxModIntsPerSec);
}
return;
} else {
if (M_DIMINFO.DisplayStats) {
printk("Resized ModTim from %i to %i ints/sec\n",
M_DIMINFO.MaxModIntsPerSec, NewMaxModIntsPerSec);
}
}
M_DIMINFO.MaxModIntsPerSec = NewMaxModIntsPerSec;
if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) {
ModBase = C_CLK_FREQ_GENESIS / pAC->DynIrqModInfo.MaxModIntsPerSec;
} else {
ModBase = C_CLK_FREQ_YUKON / pAC->DynIrqModInfo.MaxModIntsPerSec;
}
/*
** We do not need to touch any other registers
*/
SK_OUT32(pAC->IoBase, B2_IRQM_INI, ModBase);
}