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Commit a4c75ba8 authored by Arnd Bergmann's avatar Arnd Bergmann
Browse files

Merge branch 'testing/bcmring' into next/cleanups



This attempts to get the bcmring platform better in line with the
other platforms. Moving the header files below mach/ helps with
the future reorganization for multiplatform kernels, and using
MMIO accessors is generally the right thing.

* testing/bcmring:
  ARM: bcmring: use proper MMIO accessors
  ARM: bcmring: remove include/csp/ subdir
  ARM: bcmring: move cfg_global header to mach/

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parents 19ec6cac 878040ef
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+1 −1
Original line number Diff line number Diff line
@@ -38,7 +38,7 @@
#include <mach/csp/chipcHw_def.h>
#include <mach/csp/chipcHw_inline.h>

#include <cfg_global.h>
#include <mach/cfg_global.h>

#include "core.h"

+1 −2
Original line number Diff line number Diff line
@@ -43,11 +43,10 @@
#include <asm/mach/time.h>
#include <asm/mach/map.h>

#include <cfg_global.h>
#include <mach/cfg_global.h>

#include "clock.h"

#include <csp/secHw.h>
#include <mach/csp/secHw_def.h>
#include <mach/csp/chipcHw_inline.h>
#include <mach/csp/tmrHw_reg.h>
+70 −67
Original line number Diff line number Diff line
@@ -26,15 +26,15 @@

/* ---- Include Files ---------------------------------------------------- */

#include <csp/errno.h>
#include <csp/stdint.h>
#include <csp/module.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/export.h>

#include <mach/csp/chipcHw_def.h>
#include <mach/csp/chipcHw_inline.h>

#include <csp/reg.h>
#include <csp/delay.h>
#include <mach/csp/reg.h>
#include <linux/delay.h>

/* ---- Private Constants and Types --------------------------------------- */

@@ -61,21 +61,21 @@ static int chipcHw_divide(int num, int denom)
/****************************************************************************/
chipcHw_freq chipcHw_getClockFrequency(chipcHw_CLOCK_e clock	/*  [ IN ] Configurable clock */
    ) {
	volatile uint32_t *pPLLReg = (uint32_t *) 0x0;
	volatile uint32_t *pClockCtrl = (uint32_t *) 0x0;
	volatile uint32_t *pDependentClock = (uint32_t *) 0x0;
	uint32_t __iomem *pPLLReg = NULL;
	uint32_t __iomem *pClockCtrl = NULL;
	uint32_t __iomem *pDependentClock = NULL;
	uint32_t vcoFreqPll1Hz = 0;	/* Effective VCO frequency for PLL1 in Hz */
	uint32_t vcoFreqPll2Hz = 0;	/* Effective VCO frequency for PLL2 in Hz */
	uint32_t dependentClockType = 0;
	uint32_t vcoHz = 0;

	/* Get VCO frequencies */
	if ((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MASK) != chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_INTEGER) {
	if ((readl(&pChipcHw->PLLPreDivider) & chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MASK) != chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_INTEGER) {
		uint64_t adjustFreq = 0;

		vcoFreqPll1Hz = chipcHw_XTAL_FREQ_Hz *
		    chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) *
		    ((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
		    ((readl(&pChipcHw->PLLPreDivider) & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
		     chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT);

		/* Adjusted frequency due to chipcHw_REG_PLL_DIVIDER_NDIV_f_SS */
@@ -86,13 +86,13 @@ chipcHw_freq chipcHw_getClockFrequency(chipcHw_CLOCK_e clock /* [ IN ] Configur
	} else {
		vcoFreqPll1Hz = chipcHw_XTAL_FREQ_Hz *
		    chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) *
		    ((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
		    ((readl(&pChipcHw->PLLPreDivider) & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
		     chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT);
	}
	vcoFreqPll2Hz =
	    chipcHw_XTAL_FREQ_Hz *
		 chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) *
	    ((pChipcHw->PLLPreDivider2 & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
	    ((readl(&pChipcHw->PLLPreDivider2) & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
	     chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT);

	switch (clock) {
@@ -187,51 +187,51 @@ chipcHw_freq chipcHw_getClockFrequency(chipcHw_CLOCK_e clock /* [ IN ] Configur

	if (pPLLReg) {
		/* Obtain PLL clock frequency */
		if (*pPLLReg & chipcHw_REG_PLL_CLOCK_BYPASS_SELECT) {
		if (readl(pPLLReg) & chipcHw_REG_PLL_CLOCK_BYPASS_SELECT) {
			/* Return crystal clock frequency when bypassed */
			return chipcHw_XTAL_FREQ_Hz;
		} else if (clock == chipcHw_CLOCK_DDR) {
			/* DDR frequency is configured in PLLDivider register */
			return chipcHw_divide (vcoHz, (((pChipcHw->PLLDivider & 0xFF000000) >> 24) ? ((pChipcHw->PLLDivider & 0xFF000000) >> 24) : 256));
			return chipcHw_divide (vcoHz, (((readl(&pChipcHw->PLLDivider) & 0xFF000000) >> 24) ? ((readl(&pChipcHw->PLLDivider) & 0xFF000000) >> 24) : 256));
		} else {
			/* From chip revision number B0, LCD clock is internally divided by 2 */
			if ((pPLLReg == &pChipcHw->LCDClock) && (chipcHw_getChipRevisionNumber() != chipcHw_REV_NUMBER_A0)) {
				vcoHz >>= 1;
			}
			/* Obtain PLL clock frequency using VCO dividers */
			return chipcHw_divide(vcoHz, ((*pPLLReg & chipcHw_REG_PLL_CLOCK_MDIV_MASK) ? (*pPLLReg & chipcHw_REG_PLL_CLOCK_MDIV_MASK) : 256));
			return chipcHw_divide(vcoHz, ((readl(pPLLReg) & chipcHw_REG_PLL_CLOCK_MDIV_MASK) ?  (readl(pPLLReg) & chipcHw_REG_PLL_CLOCK_MDIV_MASK) : 256));
		}
	} else if (pClockCtrl) {
		/* Obtain divider clock frequency */
		uint32_t div;
		uint32_t freq = 0;

		if (*pClockCtrl & chipcHw_REG_DIV_CLOCK_BYPASS_SELECT) {
		if (readl(pClockCtrl) & chipcHw_REG_DIV_CLOCK_BYPASS_SELECT) {
			/* Return crystal clock frequency when bypassed */
			return chipcHw_XTAL_FREQ_Hz;
		} else if (pDependentClock) {
			/* Identify the dependent clock frequency */
			switch (dependentClockType) {
			case PLL_CLOCK:
				if (*pDependentClock & chipcHw_REG_PLL_CLOCK_BYPASS_SELECT) {
				if (readl(pDependentClock) & chipcHw_REG_PLL_CLOCK_BYPASS_SELECT) {
					/* Use crystal clock frequency when dependent PLL clock is bypassed */
					freq = chipcHw_XTAL_FREQ_Hz;
				} else {
					/* Obtain PLL clock frequency using VCO dividers */
					div = *pDependentClock & chipcHw_REG_PLL_CLOCK_MDIV_MASK;
					div = readl(pDependentClock) & chipcHw_REG_PLL_CLOCK_MDIV_MASK;
					freq = div ? chipcHw_divide(vcoHz, div) : 0;
				}
				break;
			case NON_PLL_CLOCK:
				if (pDependentClock == (uint32_t *) &pChipcHw->ACLKClock) {
				if (pDependentClock == &pChipcHw->ACLKClock) {
					freq = chipcHw_getClockFrequency (chipcHw_CLOCK_BUS);
				} else {
					if (*pDependentClock & chipcHw_REG_DIV_CLOCK_BYPASS_SELECT) {
					if (readl(pDependentClock) & chipcHw_REG_DIV_CLOCK_BYPASS_SELECT) {
						/* Use crystal clock frequency when dependent divider clock is bypassed */
						freq = chipcHw_XTAL_FREQ_Hz;
					} else {
						/* Obtain divider clock frequency using XTAL dividers */
						div = *pDependentClock & chipcHw_REG_DIV_CLOCK_DIV_MASK;
						div = readl(pDependentClock) & chipcHw_REG_DIV_CLOCK_DIV_MASK;
						freq = chipcHw_divide (chipcHw_XTAL_FREQ_Hz, (div ? div : 256));
					}
				}
@@ -242,7 +242,7 @@ chipcHw_freq chipcHw_getClockFrequency(chipcHw_CLOCK_e clock /* [ IN ] Configur
			freq = chipcHw_XTAL_FREQ_Hz;
		}

		div = *pClockCtrl & chipcHw_REG_DIV_CLOCK_DIV_MASK;
		div = readl(pClockCtrl) & chipcHw_REG_DIV_CLOCK_DIV_MASK;
		return chipcHw_divide(freq, (div ? div : 256));
	}
	return 0;
@@ -261,9 +261,9 @@ chipcHw_freq chipcHw_getClockFrequency(chipcHw_CLOCK_e clock /* [ IN ] Configur
chipcHw_freq chipcHw_setClockFrequency(chipcHw_CLOCK_e clock,	/*  [ IN ] Configurable clock */
				       uint32_t freq	/*  [ IN ] Clock frequency in Hz */
    ) {
	volatile uint32_t *pPLLReg = (uint32_t *) 0x0;
	volatile uint32_t *pClockCtrl = (uint32_t *) 0x0;
	volatile uint32_t *pDependentClock = (uint32_t *) 0x0;
	uint32_t __iomem *pPLLReg = NULL;
	uint32_t __iomem *pClockCtrl = NULL;
	uint32_t __iomem *pDependentClock = NULL;
	uint32_t vcoFreqPll1Hz = 0;	/* Effective VCO frequency for PLL1 in Hz */
	uint32_t desVcoFreqPll1Hz = 0;	/* Desired VCO frequency for PLL1 in Hz */
	uint32_t vcoFreqPll2Hz = 0;	/* Effective VCO frequency for PLL2 in Hz */
@@ -272,12 +272,12 @@ chipcHw_freq chipcHw_setClockFrequency(chipcHw_CLOCK_e clock, /* [ IN ] Configu
	uint32_t desVcoHz = 0;

	/* Get VCO frequencies */
	if ((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MASK) != chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_INTEGER) {
	if ((readl(&pChipcHw->PLLPreDivider) & chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_MASK) != chipcHw_REG_PLL_PREDIVIDER_NDIV_MODE_INTEGER) {
		uint64_t adjustFreq = 0;

		vcoFreqPll1Hz = chipcHw_XTAL_FREQ_Hz *
		    chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) *
		    ((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
		    ((readl(&pChipcHw->PLLPreDivider) & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
		     chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT);

		/* Adjusted frequency due to chipcHw_REG_PLL_DIVIDER_NDIV_f_SS */
@@ -289,16 +289,16 @@ chipcHw_freq chipcHw_setClockFrequency(chipcHw_CLOCK_e clock, /* [ IN ] Configu
		/* Desired VCO frequency */
		desVcoFreqPll1Hz = chipcHw_XTAL_FREQ_Hz *
		    chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) *
		    (((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
		    (((readl(&pChipcHw->PLLPreDivider) & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
		      chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT) + 1);
	} else {
		vcoFreqPll1Hz = desVcoFreqPll1Hz = chipcHw_XTAL_FREQ_Hz *
		    chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) *
		    ((pChipcHw->PLLPreDivider & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
		    ((readl(&pChipcHw->PLLPreDivider) & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
		     chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT);
	}
	vcoFreqPll2Hz = chipcHw_XTAL_FREQ_Hz * chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, chipcHw_REG_PLL_PREDIVIDER_P2) *
	    ((pChipcHw->PLLPreDivider2 & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
	    ((readl(&pChipcHw->PLLPreDivider2) & chipcHw_REG_PLL_PREDIVIDER_NDIV_MASK) >>
	     chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT);

	switch (clock) {
@@ -307,8 +307,7 @@ chipcHw_freq chipcHw_setClockFrequency(chipcHw_CLOCK_e clock, /* [ IN ] Configu
		{
			REG_LOCAL_IRQ_SAVE;
			/* Dvide DDR_phy by two to obtain DDR_ctrl clock */
			pChipcHw->DDRClock = (pChipcHw->DDRClock & ~chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_MASK) | ((((freq / 2) / chipcHw_getClockFrequency(chipcHw_CLOCK_BUS)) - 1)
				<< chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_SHIFT);
			writel((readl(&pChipcHw->DDRClock) & ~chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_MASK) | ((((freq / 2) / chipcHw_getClockFrequency(chipcHw_CLOCK_BUS)) - 1) << chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_SHIFT), &pChipcHw->DDRClock);
			REG_LOCAL_IRQ_RESTORE;
		}
		pPLLReg = &pChipcHw->DDRClock;
@@ -329,8 +328,7 @@ chipcHw_freq chipcHw_setClockFrequency(chipcHw_CLOCK_e clock, /* [ IN ] Configu
		/* Configure the VPM:BUS ratio settings */
		{
			REG_LOCAL_IRQ_SAVE;
			pChipcHw->VPMClock = (pChipcHw->VPMClock & ~chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_MASK) | ((chipcHw_divide (freq, chipcHw_getClockFrequency(chipcHw_CLOCK_BUS)) - 1)
				<< chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_SHIFT);
			writel((readl(&pChipcHw->VPMClock) & ~chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_MASK) | ((chipcHw_divide (freq, chipcHw_getClockFrequency(chipcHw_CLOCK_BUS)) - 1) << chipcHw_REG_PLL_CLOCK_TO_BUS_RATIO_SHIFT), &pChipcHw->VPMClock);
			REG_LOCAL_IRQ_RESTORE;
		}
		pPLLReg = &pChipcHw->VPMClock;
@@ -428,9 +426,9 @@ chipcHw_freq chipcHw_setClockFrequency(chipcHw_CLOCK_e clock, /* [ IN ] Configu
		/* For DDR settings use only the PLL divider clock */
		if (pPLLReg == &pChipcHw->DDRClock) {
			/* Set M1DIV for PLL1, which controls the DDR clock */
			reg32_write(&pChipcHw->PLLDivider, (pChipcHw->PLLDivider & 0x00FFFFFF) | ((chipcHw_REG_PLL_DIVIDER_MDIV (desVcoHz, freq)) << 24));
			reg32_write(&pChipcHw->PLLDivider, (readl(&pChipcHw->PLLDivider) & 0x00FFFFFF) | ((chipcHw_REG_PLL_DIVIDER_MDIV (desVcoHz, freq)) << 24));
			/* Calculate expected frequency */
			freq = chipcHw_divide(vcoHz, (((pChipcHw->PLLDivider & 0xFF000000) >> 24) ? ((pChipcHw->PLLDivider & 0xFF000000) >> 24) : 256));
			freq = chipcHw_divide(vcoHz, (((readl(&pChipcHw->PLLDivider) & 0xFF000000) >> 24) ? ((readl(&pChipcHw->PLLDivider) & 0xFF000000) >> 24) : 256));
		} else {
			/* From chip revision number B0, LCD clock is internally divided by 2 */
			if ((pPLLReg == &pChipcHw->LCDClock) && (chipcHw_getChipRevisionNumber() != chipcHw_REV_NUMBER_A0)) {
@@ -441,7 +439,7 @@ chipcHw_freq chipcHw_setClockFrequency(chipcHw_CLOCK_e clock, /* [ IN ] Configu
			reg32_modify_and(pPLLReg, ~(chipcHw_REG_PLL_CLOCK_MDIV_MASK));
			reg32_modify_or(pPLLReg, chipcHw_REG_PLL_DIVIDER_MDIV(desVcoHz, freq));
			/* Calculate expected frequency */
			freq = chipcHw_divide(vcoHz, ((*(pPLLReg) & chipcHw_REG_PLL_CLOCK_MDIV_MASK) ? (*(pPLLReg) & chipcHw_REG_PLL_CLOCK_MDIV_MASK) : 256));
			freq = chipcHw_divide(vcoHz, ((readl(pPLLReg) & chipcHw_REG_PLL_CLOCK_MDIV_MASK) ? (readl(pPLLReg) & chipcHw_REG_PLL_CLOCK_MDIV_MASK) : 256));
		}
		/* Wait for for atleast 200ns as per the protocol to change frequency */
		udelay(1);
@@ -460,16 +458,16 @@ chipcHw_freq chipcHw_setClockFrequency(chipcHw_CLOCK_e clock, /* [ IN ] Configu
		if (pDependentClock) {
			switch (dependentClockType) {
			case PLL_CLOCK:
				divider = chipcHw_divide(chipcHw_divide (desVcoHz, (*pDependentClock & chipcHw_REG_PLL_CLOCK_MDIV_MASK)), freq);
				divider = chipcHw_divide(chipcHw_divide (desVcoHz, (readl(pDependentClock) & chipcHw_REG_PLL_CLOCK_MDIV_MASK)), freq);
				break;
			case NON_PLL_CLOCK:
				{
					uint32_t sourceClock = 0;

					if (pDependentClock == (uint32_t *) &pChipcHw->ACLKClock) {
					if (pDependentClock == &pChipcHw->ACLKClock) {
						sourceClock = chipcHw_getClockFrequency (chipcHw_CLOCK_BUS);
					} else {
						uint32_t div = *pDependentClock & chipcHw_REG_DIV_CLOCK_DIV_MASK;
						uint32_t div = readl(pDependentClock) & chipcHw_REG_DIV_CLOCK_DIV_MASK;
						sourceClock = chipcHw_divide (chipcHw_XTAL_FREQ_Hz, ((div) ? div : 256));
					}
					divider = chipcHw_divide(sourceClock, freq);
@@ -483,7 +481,7 @@ chipcHw_freq chipcHw_setClockFrequency(chipcHw_CLOCK_e clock, /* [ IN ] Configu
		if (divider) {
			REG_LOCAL_IRQ_SAVE;
			/* Set the divider to obtain the required frequency */
			*pClockCtrl = (*pClockCtrl & (~chipcHw_REG_DIV_CLOCK_DIV_MASK)) | (((divider > 256) ? chipcHw_REG_DIV_CLOCK_DIV_256 : divider) & chipcHw_REG_DIV_CLOCK_DIV_MASK);
			writel((readl(pClockCtrl) & (~chipcHw_REG_DIV_CLOCK_DIV_MASK)) | (((divider > 256) ? chipcHw_REG_DIV_CLOCK_DIV_256 : divider) & chipcHw_REG_DIV_CLOCK_DIV_MASK), pClockCtrl);
			REG_LOCAL_IRQ_RESTORE;
			return freq;
		}
@@ -515,25 +513,26 @@ static int vpmPhaseAlignA0(void)
	int count = 0;

	for (iter = 0; (iter < MAX_PHASE_ALIGN_ATTEMPTS) && (adjustCount < MAX_PHASE_ADJUST_COUNT); iter++) {
		phaseControl = (pChipcHw->VPMClock & chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK) >> chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT;
		phaseControl = (readl(&pChipcHw->VPMClock) & chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK) >> chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT;
		phaseValue = 0;
		prevPhaseComp = 0;

		/* Step 1: Look for falling PH_COMP transition */

		/* Read the contents of VPM Clock resgister */
		phaseValue = pChipcHw->VPMClock;
		phaseValue = readl(&pChipcHw->VPMClock);
		do {
			/* Store previous value of phase comparator */
			prevPhaseComp = phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP;
			/* Change the value of PH_CTRL. */
			reg32_write(&pChipcHw->VPMClock, (pChipcHw->VPMClock & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT));
			reg32_write(&pChipcHw->VPMClock,
			(readl(&pChipcHw->VPMClock) & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT));
			/* Wait atleast 20 ns */
			udelay(1);
			/* Toggle the LOAD_CH after phase control is written. */
			pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE;
			writel(readl(&pChipcHw->VPMClock) ^ chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE, &pChipcHw->VPMClock);
			/* Read the contents of  VPM Clock resgister. */
			phaseValue = pChipcHw->VPMClock;
			phaseValue = readl(&pChipcHw->VPMClock);

			if ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) == 0x0) {
				phaseControl = (0x3F & (phaseControl - 1));
@@ -557,12 +556,13 @@ static int vpmPhaseAlignA0(void)

		for (count = 0; (count < 5) && ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) == 0); count++) {
			phaseControl = (0x3F & (phaseControl + 1));
			reg32_write(&pChipcHw->VPMClock, (pChipcHw->VPMClock & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT));
			reg32_write(&pChipcHw->VPMClock,
			(readl(&pChipcHw->VPMClock) & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT));
			/* Wait atleast 20 ns */
			udelay(1);
			/* Toggle the LOAD_CH after phase control is written. */
			pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE;
			phaseValue = pChipcHw->VPMClock;
			writel(readl(&pChipcHw->VPMClock) ^ chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE, &pChipcHw->VPMClock);
			phaseValue = readl(&pChipcHw->VPMClock);
			/* Count number of adjustment made */
			adjustCount++;
		}
@@ -581,12 +581,13 @@ static int vpmPhaseAlignA0(void)

		for (count = 0; (count < 3) && ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) == 0); count++) {
			phaseControl = (0x3F & (phaseControl - 1));
			reg32_write(&pChipcHw->VPMClock, (pChipcHw->VPMClock & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT));
			reg32_write(&pChipcHw->VPMClock,
			(readl(&pChipcHw->VPMClock) & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT));
			/* Wait atleast 20 ns */
			udelay(1);
			/* Toggle the LOAD_CH after phase control is written. */
			pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE;
			phaseValue = pChipcHw->VPMClock;
			writel(readl(&pChipcHw->VPMClock) ^ chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE, &pChipcHw->VPMClock);
			phaseValue = readl(&pChipcHw->VPMClock);
			/* Count number of adjustment made */
			adjustCount++;
		}
@@ -605,12 +606,13 @@ static int vpmPhaseAlignA0(void)

		for (count = 0; (count < 5); count++) {
			phaseControl = (0x3F & (phaseControl - 1));
			reg32_write(&pChipcHw->VPMClock, (pChipcHw->VPMClock & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT));
			reg32_write(&pChipcHw->VPMClock,
			(readl(&pChipcHw->VPMClock) & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT));
			/* Wait atleast 20 ns */
			udelay(1);
			/* Toggle the LOAD_CH after phase control is written. */
			pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE;
			phaseValue = pChipcHw->VPMClock;
			writel(readl(&pChipcHw->VPMClock) ^ chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE, &pChipcHw->VPMClock);
			phaseValue = readl(&pChipcHw->VPMClock);
			/* Count number of adjustment made */
			adjustCount++;
		}
@@ -631,14 +633,14 @@ static int vpmPhaseAlignA0(void)
			/* Store previous value of phase comparator */
			prevPhaseComp = phaseValue;
			/* Change the value of PH_CTRL. */
			reg32_write(&pChipcHw->VPMClock, (pChipcHw->VPMClock & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT));
			reg32_write(&pChipcHw->VPMClock,
			(readl(&pChipcHw->VPMClock) & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT));
			/* Wait atleast 20 ns */
			udelay(1);
			/* Toggle the LOAD_CH after phase control is written. */
			pChipcHw->VPMClock ^=
			    chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE;
			writel(readl(&pChipcHw->VPMClock) ^ chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE, &pChipcHw->VPMClock);
			/* Read the contents of  VPM Clock resgister. */
			phaseValue = pChipcHw->VPMClock;
			phaseValue = readl(&pChipcHw->VPMClock);

			if ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) == 0x0) {
				phaseControl = (0x3F & (phaseControl - 1));
@@ -661,13 +663,13 @@ static int vpmPhaseAlignA0(void)
	}

	/* For VPM Phase should be perfectly aligned. */
	phaseControl = (((pChipcHw->VPMClock >> chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT) - 1) & 0x3F);
	phaseControl = (((readl(&pChipcHw->VPMClock) >> chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT) - 1) & 0x3F);
	{
		REG_LOCAL_IRQ_SAVE;

		pChipcHw->VPMClock = (pChipcHw->VPMClock & ~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT);
		writel((readl(&pChipcHw->VPMClock) & ~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT), &pChipcHw->VPMClock);
		/* Load new phase value */
		pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE;
		writel(readl(&pChipcHw->VPMClock) ^ chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE, &pChipcHw->VPMClock);

		REG_LOCAL_IRQ_RESTORE;
	}
@@ -697,7 +699,7 @@ int chipcHw_vpmPhaseAlign(void)
		int adjustCount = 0;

		/* Disable VPM access */
		pChipcHw->Spare1 &= ~chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE;
		writel(readl(&pChipcHw->Spare1) & ~chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE, &pChipcHw->Spare1);
		/* Disable HW VPM phase alignment  */
		chipcHw_vpmHwPhaseAlignDisable();
		/* Enable SW VPM phase alignment  */
@@ -715,23 +717,24 @@ int chipcHw_vpmPhaseAlign(void)
				phaseControl--;
			} else {
				/* Enable VPM access */
				pChipcHw->Spare1 |= chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE;
				writel(readl(&pChipcHw->Spare1) | chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE, &pChipcHw->Spare1);
				/* Return adjust count */
				return adjustCount;
			}
			/* Change the value of PH_CTRL. */
			reg32_write(&pChipcHw->VPMClock, (pChipcHw->VPMClock & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT));
			reg32_write(&pChipcHw->VPMClock,
			(readl(&pChipcHw->VPMClock) & (~chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_MASK)) | (phaseControl << chipcHw_REG_PLL_CLOCK_PHASE_CONTROL_SHIFT));
			/* Wait atleast 20 ns */
			udelay(1);
			/* Toggle the LOAD_CH after phase control is written. */
			pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE;
			writel(readl(&pChipcHw->VPMClock) ^ chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE, &pChipcHw->VPMClock);
			/* Count adjustment */
			adjustCount++;
		}
	}

	/* Disable VPM access */
	pChipcHw->Spare1 &= ~chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE;
	writel(readl(&pChipcHw->Spare1) & ~chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE, &pChipcHw->Spare1);
	return -1;
}

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