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Diffstat (limited to 'arch/arm/mach-bcmring/csp/chipc/chipcHw.c')
-rw-r--r--arch/arm/mach-bcmring/csp/chipc/chipcHw.c137
1 files changed, 70 insertions, 67 deletions
diff --git a/arch/arm/mach-bcmring/csp/chipc/chipcHw.c b/arch/arm/mach-bcmring/csp/chipc/chipcHw.c
index 96273ff34956..5050833817b7 100644
--- a/arch/arm/mach-bcmring/csp/chipc/chipcHw.c
+++ b/arch/arm/mach-bcmring/csp/chipc/chipcHw.c
@@ -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;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.