ARM: Remove mach-bcmring

Remove mach-bcmring as this is no longer maintained or used.

Signed-off-by: Christian Daudt <csd@broadcom.com>
Reviewed-by: Jiandong Zheng <jdzheng@broadcom.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 776 deletions

diff --git a/arch/arm/mach-bcmring/csp/chipc/chipcHw.c b/arch/arm/mach-bcmring/csp/chipc/chipcHw.c
deleted file mode 100644
index 96273ff3495..00000000000
--- a/arch/arm/mach-bcmring/csp/chipc/chipcHw.c
+++ /dev/null
@@ -1,776 +0,0 @@
-/*****************************************************************************
-* Copyright 2003 - 2008 Broadcom Corporation.  All rights reserved.
-*
-* Unless you and Broadcom execute a separate written software license
-* agreement governing use of this software, this software is licensed to you
-* under the terms of the GNU General Public License version 2, available at
-* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-*
-* Notwithstanding the above, under no circumstances may you combine this
-* software in any way with any other Broadcom software provided under a
-* license other than the GPL, without Broadcom's express prior written
-* consent.
-*****************************************************************************/
-
-/****************************************************************************/
-/**
-*  @file    chipcHw.c
-*
-*  @brief   Low level Various CHIP clock controlling routines
-*
-*  @note
-*
-*   These routines provide basic clock controlling functionality only.
-*/
-/****************************************************************************/
-
-/* ---- Include Files ---------------------------------------------------- */
-
-#include <csp/errno.h>
-#include <csp/stdint.h>
-#include <csp/module.h>
-
-#include <mach/csp/chipcHw_def.h>
-#include <mach/csp/chipcHw_inline.h>
-
-#include <csp/reg.h>
-#include <csp/delay.h>
-
-/* ---- Private Constants and Types --------------------------------------- */
-
-/* VPM alignment algorithm uses this */
-#define MAX_PHASE_ADJUST_COUNT         0xFFFF	/* Max number of times allowed to adjust the phase */
-#define MAX_PHASE_ALIGN_ATTEMPTS       10	/* Max number of attempt to align the phase */
-
-/* Local definition of clock type */
-#define PLL_CLOCK                      1	/* PLL Clock */
-#define NON_PLL_CLOCK                  2	/* Divider clock */
-
-static int chipcHw_divide(int num, int denom)
-    __attribute__ ((section(".aramtext")));
-
-/****************************************************************************/
-/**
-*  @brief   Set clock fequency for miscellaneous configurable clocks
-*
-*  This function sets clock frequency
-*
-*  @return  Configured clock frequency in hertz
-*
-*/
-/****************************************************************************/
-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 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) {
-		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) >>
-		     chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT);
-
-		/* Adjusted frequency due to chipcHw_REG_PLL_DIVIDER_NDIV_f_SS */
-		adjustFreq = (uint64_t) chipcHw_XTAL_FREQ_Hz *
-			(uint64_t) chipcHw_REG_PLL_DIVIDER_NDIV_f_SS *
-			chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, (chipcHw_REG_PLL_PREDIVIDER_P2 * (uint64_t) chipcHw_REG_PLL_DIVIDER_FRAC));
-		vcoFreqPll1Hz += (uint32_t) adjustFreq;
-	} 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) >>
-		     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) >>
-	     chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT);
-
-	switch (clock) {
-	case chipcHw_CLOCK_DDR:
-		pPLLReg = &pChipcHw->DDRClock;
-		vcoHz = vcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_ARM:
-		pPLLReg = &pChipcHw->ARMClock;
-		vcoHz = vcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_ESW:
-		pPLLReg = &pChipcHw->ESWClock;
-		vcoHz = vcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_VPM:
-		pPLLReg = &pChipcHw->VPMClock;
-		vcoHz = vcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_ESW125:
-		pPLLReg = &pChipcHw->ESW125Clock;
-		vcoHz = vcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_UART:
-		pPLLReg = &pChipcHw->UARTClock;
-		vcoHz = vcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_SDIO0:
-		pPLLReg = &pChipcHw->SDIO0Clock;
-		vcoHz = vcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_SDIO1:
-		pPLLReg = &pChipcHw->SDIO1Clock;
-		vcoHz = vcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_SPI:
-		pPLLReg = &pChipcHw->SPIClock;
-		vcoHz = vcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_ETM:
-		pPLLReg = &pChipcHw->ETMClock;
-		vcoHz = vcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_USB:
-		pPLLReg = &pChipcHw->USBClock;
-		vcoHz = vcoFreqPll2Hz;
-		break;
-	case chipcHw_CLOCK_LCD:
-		pPLLReg = &pChipcHw->LCDClock;
-		vcoHz = vcoFreqPll2Hz;
-		break;
-	case chipcHw_CLOCK_APM:
-		pPLLReg = &pChipcHw->APMClock;
-		vcoHz = vcoFreqPll2Hz;
-		break;
-	case chipcHw_CLOCK_BUS:
-		pClockCtrl = &pChipcHw->ACLKClock;
-		pDependentClock = &pChipcHw->ARMClock;
-		vcoHz = vcoFreqPll1Hz;
-		dependentClockType = PLL_CLOCK;
-		break;
-	case chipcHw_CLOCK_OTP:
-		pClockCtrl = &pChipcHw->OTPClock;
-		break;
-	case chipcHw_CLOCK_I2C:
-		pClockCtrl = &pChipcHw->I2CClock;
-		break;
-	case chipcHw_CLOCK_I2S0:
-		pClockCtrl = &pChipcHw->I2S0Clock;
-		break;
-	case chipcHw_CLOCK_RTBUS:
-		pClockCtrl = &pChipcHw->RTBUSClock;
-		pDependentClock = &pChipcHw->ACLKClock;
-		dependentClockType = NON_PLL_CLOCK;
-		break;
-	case chipcHw_CLOCK_APM100:
-		pClockCtrl = &pChipcHw->APM100Clock;
-		pDependentClock = &pChipcHw->APMClock;
-		vcoHz = vcoFreqPll2Hz;
-		dependentClockType = PLL_CLOCK;
-		break;
-	case chipcHw_CLOCK_TSC:
-		pClockCtrl = &pChipcHw->TSCClock;
-		break;
-	case chipcHw_CLOCK_LED:
-		pClockCtrl = &pChipcHw->LEDClock;
-		break;
-	case chipcHw_CLOCK_I2S1:
-		pClockCtrl = &pChipcHw->I2S1Clock;
-		break;
-	}
-
-	if (pPLLReg) {
-		/* Obtain PLL clock frequency */
-		if (*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));
-		} 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));
-		}
-	} else if (pClockCtrl) {
-		/* Obtain divider clock frequency */
-		uint32_t div;
-		uint32_t freq = 0;
-
-		if (*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) {
-					/* 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;
-					freq = div ? chipcHw_divide(vcoHz, div) : 0;
-				}
-				break;
-			case NON_PLL_CLOCK:
-				if (pDependentClock == (uint32_t *) &pChipcHw->ACLKClock) {
-					freq = chipcHw_getClockFrequency (chipcHw_CLOCK_BUS);
-				} else {
-					if (*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;
-						freq = chipcHw_divide (chipcHw_XTAL_FREQ_Hz, (div ? div : 256));
-					}
-				}
-				break;
-			}
-		} else {
-			/* Dependent on crystal clock */
-			freq = chipcHw_XTAL_FREQ_Hz;
-		}
-
-		div = *pClockCtrl & chipcHw_REG_DIV_CLOCK_DIV_MASK;
-		return chipcHw_divide(freq, (div ? div : 256));
-	}
-	return 0;
-}
-
-/****************************************************************************/
-/**
-*  @brief   Set clock fequency for miscellaneous configurable clocks
-*
-*  This function sets clock frequency
-*
-*  @return  Configured clock frequency in Hz
-*
-*/
-/****************************************************************************/
-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 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 */
-	uint32_t dependentClockType = 0;
-	uint32_t vcoHz = 0;
-	uint32_t desVcoHz = 0;
-
-	/* Get VCO frequencies */
-	if ((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) >>
-		     chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT);
-
-		/* Adjusted frequency due to chipcHw_REG_PLL_DIVIDER_NDIV_f_SS */
-		adjustFreq = (uint64_t) chipcHw_XTAL_FREQ_Hz *
-			(uint64_t) chipcHw_REG_PLL_DIVIDER_NDIV_f_SS *
-			chipcHw_divide(chipcHw_REG_PLL_PREDIVIDER_P1, (chipcHw_REG_PLL_PREDIVIDER_P2 * (uint64_t) chipcHw_REG_PLL_DIVIDER_FRAC));
-		vcoFreqPll1Hz += (uint32_t) adjustFreq;
-
-		/* 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) >>
-		      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) >>
-		     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) >>
-	     chipcHw_REG_PLL_PREDIVIDER_NDIV_SHIFT);
-
-	switch (clock) {
-	case chipcHw_CLOCK_DDR:
-		/* Configure the DDR_ctrl:BUS ratio settings */
-		{
-			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);
-			REG_LOCAL_IRQ_RESTORE;
-		}
-		pPLLReg = &pChipcHw->DDRClock;
-		vcoHz = vcoFreqPll1Hz;
-		desVcoHz = desVcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_ARM:
-		pPLLReg = &pChipcHw->ARMClock;
-		vcoHz = vcoFreqPll1Hz;
-		desVcoHz = desVcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_ESW:
-		pPLLReg = &pChipcHw->ESWClock;
-		vcoHz = vcoFreqPll1Hz;
-		desVcoHz = desVcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_VPM:
-		/* 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);
-			REG_LOCAL_IRQ_RESTORE;
-		}
-		pPLLReg = &pChipcHw->VPMClock;
-		vcoHz = vcoFreqPll1Hz;
-		desVcoHz = desVcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_ESW125:
-		pPLLReg = &pChipcHw->ESW125Clock;
-		vcoHz = vcoFreqPll1Hz;
-		desVcoHz = desVcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_UART:
-		pPLLReg = &pChipcHw->UARTClock;
-		vcoHz = vcoFreqPll1Hz;
-		desVcoHz = desVcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_SDIO0:
-		pPLLReg = &pChipcHw->SDIO0Clock;
-		vcoHz = vcoFreqPll1Hz;
-		desVcoHz = desVcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_SDIO1:
-		pPLLReg = &pChipcHw->SDIO1Clock;
-		vcoHz = vcoFreqPll1Hz;
-		desVcoHz = desVcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_SPI:
-		pPLLReg = &pChipcHw->SPIClock;
-		vcoHz = vcoFreqPll1Hz;
-		desVcoHz = desVcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_ETM:
-		pPLLReg = &pChipcHw->ETMClock;
-		vcoHz = vcoFreqPll1Hz;
-		desVcoHz = desVcoFreqPll1Hz;
-		break;
-	case chipcHw_CLOCK_USB:
-		pPLLReg = &pChipcHw->USBClock;
-		vcoHz = vcoFreqPll2Hz;
-		desVcoHz = vcoFreqPll2Hz;
-		break;
-	case chipcHw_CLOCK_LCD:
-		pPLLReg = &pChipcHw->LCDClock;
-		vcoHz = vcoFreqPll2Hz;
-		desVcoHz = vcoFreqPll2Hz;
-		break;
-	case chipcHw_CLOCK_APM:
-		pPLLReg = &pChipcHw->APMClock;
-		vcoHz = vcoFreqPll2Hz;
-		desVcoHz = vcoFreqPll2Hz;
-		break;
-	case chipcHw_CLOCK_BUS:
-		pClockCtrl = &pChipcHw->ACLKClock;
-		pDependentClock = &pChipcHw->ARMClock;
-		vcoHz = vcoFreqPll1Hz;
-		desVcoHz = desVcoFreqPll1Hz;
-		dependentClockType = PLL_CLOCK;
-		break;
-	case chipcHw_CLOCK_OTP:
-		pClockCtrl = &pChipcHw->OTPClock;
-		break;
-	case chipcHw_CLOCK_I2C:
-		pClockCtrl = &pChipcHw->I2CClock;
-		break;
-	case chipcHw_CLOCK_I2S0:
-		pClockCtrl = &pChipcHw->I2S0Clock;
-		break;
-	case chipcHw_CLOCK_RTBUS:
-		pClockCtrl = &pChipcHw->RTBUSClock;
-		pDependentClock = &pChipcHw->ACLKClock;
-		dependentClockType = NON_PLL_CLOCK;
-		break;
-	case chipcHw_CLOCK_APM100:
-		pClockCtrl = &pChipcHw->APM100Clock;
-		pDependentClock = &pChipcHw->APMClock;
-		vcoHz = vcoFreqPll2Hz;
-		desVcoHz = vcoFreqPll2Hz;
-		dependentClockType = PLL_CLOCK;
-		break;
-	case chipcHw_CLOCK_TSC:
-		pClockCtrl = &pChipcHw->TSCClock;
-		break;
-	case chipcHw_CLOCK_LED:
-		pClockCtrl = &pChipcHw->LEDClock;
-		break;
-	case chipcHw_CLOCK_I2S1:
-		pClockCtrl = &pChipcHw->I2S1Clock;
-		break;
-	}
-
-	if (pPLLReg) {
-		/* Select XTAL as bypass source */
-		reg32_modify_and(pPLLReg, ~chipcHw_REG_PLL_CLOCK_SOURCE_GPIO);
-		reg32_modify_or(pPLLReg, chipcHw_REG_PLL_CLOCK_BYPASS_SELECT);
-		/* 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));
-			/* Calculate expected frequency */
-			freq = chipcHw_divide(vcoHz, (((pChipcHw->PLLDivider & 0xFF000000) >> 24) ? ((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)) {
-				desVcoHz >>= 1;
-				vcoHz >>= 1;
-			}
-			/* Set MDIV to change the frequency */
-			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));
-		}
-		/* Wait for for atleast 200ns as per the protocol to change frequency */
-		udelay(1);
-		/* Do not bypass */
-		reg32_modify_and(pPLLReg, ~chipcHw_REG_PLL_CLOCK_BYPASS_SELECT);
-		/* Return the configured frequency */
-		return freq;
-	} else if (pClockCtrl) {
-		uint32_t divider = 0;
-
-		/* Divider clock should not be bypassed  */
-		reg32_modify_and(pClockCtrl,
-				 ~chipcHw_REG_DIV_CLOCK_BYPASS_SELECT);
-
-		/* Identify the clock source */
-		if (pDependentClock) {
-			switch (dependentClockType) {
-			case PLL_CLOCK:
-				divider = chipcHw_divide(chipcHw_divide (desVcoHz, (*pDependentClock & chipcHw_REG_PLL_CLOCK_MDIV_MASK)), freq);
-				break;
-			case NON_PLL_CLOCK:
-				{
-					uint32_t sourceClock = 0;
-
-					if (pDependentClock == (uint32_t *) &pChipcHw->ACLKClock) {
-						sourceClock = chipcHw_getClockFrequency (chipcHw_CLOCK_BUS);
-					} else {
-						uint32_t div = *pDependentClock & chipcHw_REG_DIV_CLOCK_DIV_MASK;
-						sourceClock = chipcHw_divide (chipcHw_XTAL_FREQ_Hz, ((div) ? div : 256));
-					}
-					divider = chipcHw_divide(sourceClock, freq);
-				}
-				break;
-			}
-		} else {
-			divider = chipcHw_divide(chipcHw_XTAL_FREQ_Hz, freq);
-		}
-
-		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);
-			REG_LOCAL_IRQ_RESTORE;
-			return freq;
-		}
-	}
-
-	return 0;
-}
-
-EXPORT_SYMBOL(chipcHw_setClockFrequency);
-
-/****************************************************************************/
-/**
-*  @brief   Set VPM clock in sync with BUS clock for Chip Rev #A0
-*
-*  This function does the phase adjustment between VPM and BUS clock
-*
-*  @return >= 0 : On success (# of adjustment required)
-*            -1 : On failure
-*
-*/
-/****************************************************************************/
-static int vpmPhaseAlignA0(void)
-{
-	uint32_t phaseControl;
-	uint32_t phaseValue;
-	uint32_t prevPhaseComp;
-	int iter = 0;
-	int adjustCount = 0;
-	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;
-		phaseValue = 0;
-		prevPhaseComp = 0;
-
-		/* Step 1: Look for falling PH_COMP transition */
-
-		/* Read the contents of VPM Clock resgister */
-		phaseValue = 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));
-			/* Wait atleast 20 ns */
-			udelay(1);
-			/* Toggle the LOAD_CH after phase control is written. */
-			pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE;
-			/* Read the contents of  VPM Clock resgister. */
-			phaseValue = pChipcHw->VPMClock;
-
-			if ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) == 0x0) {
-				phaseControl = (0x3F & (phaseControl - 1));
-			} else {
-				/* Increment to the Phase count value for next write, if Phase is not stable. */
-				phaseControl = (0x3F & (phaseControl + 1));
-			}
-			/* Count number of adjustment made */
-			adjustCount++;
-		} while (((prevPhaseComp == (phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP)) ||	/* Look for a transition */
-			  ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) != 0x0)) &&	/* Look for a falling edge */
-			 (adjustCount < MAX_PHASE_ADJUST_COUNT)	/* Do not exceed the limit while trying */
-		    );
-
-		if (adjustCount >= MAX_PHASE_ADJUST_COUNT) {
-			/* Failed to align VPM phase after MAX_PHASE_ADJUST_COUNT tries */
-			return -1;
-		}
-
-		/* Step 2: Keep moving forward to make sure falling PH_COMP transition was valid */
-
-		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));
-			/* 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;
-			/* Count number of adjustment made */
-			adjustCount++;
-		}
-
-		if (adjustCount >= MAX_PHASE_ADJUST_COUNT) {
-			/* Failed to align VPM phase after MAX_PHASE_ADJUST_COUNT tries */
-			return -1;
-		}
-
-		if (count != 5) {
-			/* Detected false transition */
-			continue;
-		}
-
-		/* Step 3: Keep moving backward to make sure falling PH_COMP transition was stable */
-
-		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));
-			/* 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;
-			/* Count number of adjustment made */
-			adjustCount++;
-		}
-
-		if (adjustCount >= MAX_PHASE_ADJUST_COUNT) {
-			/* Failed to align VPM phase after MAX_PHASE_ADJUST_COUNT tries */
-			return -1;
-		}
-
-		if (count != 3) {
-			/* Detected noisy transition */
-			continue;
-		}
-
-		/* Step 4: Keep moving backward before the original transition took place. */
-
-		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));
-			/* 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;
-			/* Count number of adjustment made */
-			adjustCount++;
-		}
-
-		if (adjustCount >= MAX_PHASE_ADJUST_COUNT) {
-			/* Failed to align VPM phase after MAX_PHASE_ADJUST_COUNT tries */
-			return -1;
-		}
-
-		if ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) == 0) {
-			/* Detected false transition */
-			continue;
-		}
-
-		/* Step 5: Re discover the valid transition */
-
-		do {
-			/* 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));
-			/* Wait atleast 20 ns */
-			udelay(1);
-			/* Toggle the LOAD_CH after phase control is written. */
-			pChipcHw->VPMClock ^=
-			    chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE;
-			/* Read the contents of  VPM Clock resgister. */
-			phaseValue = pChipcHw->VPMClock;
-
-			if ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) == 0x0) {
-				phaseControl = (0x3F & (phaseControl - 1));
-			} else {
-				/* Increment to the Phase count value for next write, if Phase is not stable. */
-				phaseControl = (0x3F & (phaseControl + 1));
-			}
-
-			/* Count number of adjustment made */
-			adjustCount++;
-		} while (((prevPhaseComp == (phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP)) || ((phaseValue & chipcHw_REG_PLL_CLOCK_PHASE_COMP) != 0x0)) && (adjustCount < MAX_PHASE_ADJUST_COUNT));
-
-		if (adjustCount >= MAX_PHASE_ADJUST_COUNT) {
-			/* Failed to align VPM phase after MAX_PHASE_ADJUST_COUNT tries  */
-			return -1;
-		} else {
-			/* Valid phase must have detected */
-			break;
-		}
-	}
-
-	/* For VPM Phase should be perfectly aligned. */
-	phaseControl = (((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);
-		/* Load new phase value */
-		pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE;
-
-		REG_LOCAL_IRQ_RESTORE;
-	}
-	/* Return the status */
-	return (int)adjustCount;
-}
-
-/****************************************************************************/
-/**
-*  @brief   Set VPM clock in sync with BUS clock
-*
-*  This function does the phase adjustment between VPM and BUS clock
-*
-*  @return >= 0 : On success (# of adjustment required)
-*            -1 : On failure
-*
-*/
-/****************************************************************************/
-int chipcHw_vpmPhaseAlign(void)
-{
-
-	if (chipcHw_getChipRevisionNumber() == chipcHw_REV_NUMBER_A0) {
-		return vpmPhaseAlignA0();
-	} else {
-		uint32_t phaseControl = chipcHw_getVpmPhaseControl();
-		uint32_t phaseValue = 0;
-		int adjustCount = 0;
-
-		/* Disable VPM access */
-		pChipcHw->Spare1 &= ~chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE;
-		/* Disable HW VPM phase alignment  */
-		chipcHw_vpmHwPhaseAlignDisable();
-		/* Enable SW VPM phase alignment  */
-		chipcHw_vpmSwPhaseAlignEnable();
-		/* Adjust VPM phase */
-		while (adjustCount < MAX_PHASE_ADJUST_COUNT) {
-			phaseValue = chipcHw_getVpmHwPhaseAlignStatus();
-
-			/* Adjust phase control value */
-			if (phaseValue > 0xF) {
-				/* Increment phase control value */
-				phaseControl++;
-			} else if (phaseValue < 0xF) {
-				/* Decrement phase control value */
-				phaseControl--;
-			} else {
-				/* Enable VPM access */
-				pChipcHw->Spare1 |= chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE;
-				/* 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));
-			/* Wait atleast 20 ns */
-			udelay(1);
-			/* Toggle the LOAD_CH after phase control is written. */
-			pChipcHw->VPMClock ^= chipcHw_REG_PLL_CLOCK_PHASE_UPDATE_ENABLE;
-			/* Count adjustment */
-			adjustCount++;
-		}
-	}
-
-	/* Disable VPM access */
-	pChipcHw->Spare1 &= ~chipcHw_REG_SPARE1_VPM_BUS_ACCESS_ENABLE;
-	return -1;
-}
-
-/****************************************************************************/
-/**
-*  @brief   Local Divide function
-*
-*  This function does the divide
-*
-*  @return divide value
-*
-*/
-/****************************************************************************/
-static int chipcHw_divide(int num, int denom)
-{
-	int r;
-	int t = 1;
-
-	/* Shift denom and t up to the largest value to optimize algorithm */
-	/* t contains the units of each divide */
-	while ((denom & 0x40000000) == 0) {	/* fails if denom=0 */
-		denom = denom << 1;
-		t = t << 1;
-	}
-
-	/* Initialize the result */
-	r = 0;
-
-	do {
-		/* Determine if there exists a positive remainder */
-		if ((num - denom) >= 0) {
-			/* Accumlate t to the result and calculate a new remainder */
-			num = num - denom;
-			r = r + t;
-		}
-		/* Continue to shift denom and shift t down to 0 */
-		denom = denom >> 1;
-		t = t >> 1;
-	} while (t != 0);
-
-	return r;
-}