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Blackfin: Split PLL code from mach-specific cdef headers 

Split the PLL control code from the Blackfin machine-specific cdef headers so
that the irqflags functions can be renamed without incurring a header loop.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2010-10-07 14:08:49 +01:00
parent cb655d0f3d
commit 3dcc1e7f9f
15 changed files with 436 additions and 344 deletions
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50
arch/blackfin/mach-bf518/include/mach/cdefBF51x_base.h
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@ -1058,54 +1058,4 @@
/* These need to be last due to the cdef/linux inter-dependencies */
#include <asm/irq.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
local_irq_restore_hw(flags);
}
#endif /* _CDEF_BF52X_H */

63
arch/blackfin/mach-bf518/include/mach/pll.h Normal file
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@ -0,0 +1,63 @@
/*
* Copyright 2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later
*/
#ifndef _MACH_PLL_H
#define _MACH_PLL_H
#include <asm/blackfin.h>
#include <asm/irqflags.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
local_irq_restore_hw(flags);
}
#endif /* _MACH_PLL_H */

50
arch/blackfin/mach-bf527/include/mach/cdefBF52x_base.h
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@ -1110,54 +1110,4 @@
/* These need to be last due to the cdef/linux inter-dependencies */
#include <asm/irq.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
local_irq_restore_hw(flags);
}
#endif /* _CDEF_BF52X_H */

63
arch/blackfin/mach-bf527/include/mach/pll.h Normal file
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@ -0,0 +1,63 @@
/*
* Copyright 2007-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later
*/
#ifndef _MACH_PLL_H
#define _MACH_PLL_H
#include <asm/blackfin.h>
#include <asm/irqflags.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
local_irq_restore_hw(flags);
}
#endif /* _MACH_PLL_H */

44
arch/blackfin/mach-bf533/include/mach/cdefBF532.h
View File

@ -697,48 +697,4 @@ BFIN_READ_FIO_FLAG(T)
#define bfin_read_FIO_FLAG_D() bfin_read16(FIO_FLAG_D)
#endif
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr = bfin_read32(SIC_IWR);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR, IWR_ENABLE(0));
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR, iwr);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr = bfin_read32(SIC_IWR);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR, IWR_ENABLE(0));
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR, iwr);
local_irq_restore_hw(flags);
}
#endif /* _CDEF_BF532_H */

57
arch/blackfin/mach-bf533/include/mach/pll.h Normal file
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@ -0,0 +1,57 @@
/*
* Copyright 2005-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later
*/
#ifndef _MACH_PLL_H
#define _MACH_PLL_H
#include <asm/blackfin.h>
#include <asm/irqflags.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr = bfin_read32(SIC_IWR);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR, IWR_ENABLE(0));
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR, iwr);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr = bfin_read32(SIC_IWR);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR, IWR_ENABLE(0));
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR, iwr);
local_irq_restore_hw(flags);
}
#endif /* _MACH_PLL_H */

44
arch/blackfin/mach-bf537/include/mach/cdefBF534.h
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@ -1750,48 +1750,4 @@
/* These need to be last due to the cdef/linux inter-dependencies */
#include <asm/irq.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr = bfin_read32(SIC_IWR);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR, IWR_ENABLE(0));
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR, iwr);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr = bfin_read32(SIC_IWR);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR, IWR_ENABLE(0));
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR, iwr);
local_irq_restore_hw(flags);
}
#endif /* _CDEF_BF534_H */

57
arch/blackfin/mach-bf537/include/mach/pll.h Normal file
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@ -0,0 +1,57 @@
/*
* Copyright 2005-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later
*/
#ifndef _MACH_PLL_H
#define _MACH_PLL_H
#include <asm/blackfin.h>
#include <asm/irqflags.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr = bfin_read32(SIC_IWR);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR, IWR_ENABLE(0));
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR, iwr);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr = bfin_read32(SIC_IWR);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR, IWR_ENABLE(0));
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR, iwr);
local_irq_restore_hw(flags);
}
#endif /* _MACH_PLL_H */

50
arch/blackfin/mach-bf538/include/mach/cdefBF538.h
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@ -2027,54 +2027,4 @@
/* These need to be last due to the cdef/linux inter-dependencies */
#include <asm/irq.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
local_irq_restore_hw(flags);
}
#endif

63
arch/blackfin/mach-bf538/include/mach/pll.h Normal file
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@ -0,0 +1,63 @@
/*
* Copyright 2008-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _MACH_PLL_H
#define _MACH_PLL_H
#include <asm/blackfin.h>
#include <asm/irqflags.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
local_irq_restore_hw(flags);
}
#endif /* _MACH_PLL_H */

56
arch/blackfin/mach-bf548/include/mach/cdefBF54x_base.h
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@ -2648,61 +2648,5 @@
/* These need to be last due to the cdef/linux inter-dependencies */
#include <asm/irq.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1, iwr2;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
iwr2 = bfin_read32(SIC_IWR2);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write32(SIC_IWR2, 0);
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
bfin_write32(SIC_IWR2, iwr2);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1, iwr2;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
iwr2 = bfin_read32(SIC_IWR2);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write32(SIC_IWR2, 0);
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
bfin_write32(SIC_IWR2, iwr2);
local_irq_restore_hw(flags);
}
#endif /* _CDEF_BF54X_H */

69
arch/blackfin/mach-bf548/include/mach/pll.h Normal file
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@ -0,0 +1,69 @@
/*
* Copyright 2007-2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _MACH_PLL_H
#define _MACH_PLL_H
#include <asm/blackfin.h>
#include <asm/irqflags.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1, iwr2;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
iwr2 = bfin_read32(SIC_IWR2);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write32(SIC_IWR2, 0);
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
bfin_write32(SIC_IWR2, iwr2);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1, iwr2;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SIC_IWR0);
iwr1 = bfin_read32(SIC_IWR1);
iwr2 = bfin_read32(SIC_IWR2);
/* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR0, IWR_ENABLE(0));
bfin_write32(SIC_IWR1, 0);
bfin_write32(SIC_IWR2, 0);
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SIC_IWR0, iwr0);
bfin_write32(SIC_IWR1, iwr1);
bfin_write32(SIC_IWR2, iwr2);
local_irq_restore_hw(flags);
}
#endif /* _MACH_PLL_H */

50
arch/blackfin/mach-bf561/include/mach/cdefBF561.h
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@ -1534,54 +1534,4 @@
/* These need to be last due to the cdef/linux inter-dependencies */
#include <asm/irq.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SICA_IWR0);
iwr1 = bfin_read32(SICA_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SICA_IWR0, IWR_ENABLE(0));
bfin_write32(SICA_IWR1, 0);
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SICA_IWR0, iwr0);
bfin_write32(SICA_IWR1, iwr1);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SICA_IWR0);
iwr1 = bfin_read32(SICA_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SICA_IWR0, IWR_ENABLE(0));
bfin_write32(SICA_IWR1, 0);
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SICA_IWR0, iwr0);
bfin_write32(SICA_IWR1, iwr1);
local_irq_restore_hw(flags);
}
#endif /* _CDEF_BF561_H */

63
arch/blackfin/mach-bf561/include/mach/pll.h Normal file
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@ -0,0 +1,63 @@
/*
* Copyright 2005-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef _MACH_PLL_H
#define _MACH_PLL_H
#include <asm/blackfin.h>
#include <asm/irqflags.h>
/* Writing to PLL_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_PLL_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_PLL_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SICA_IWR0);
iwr1 = bfin_read32(SICA_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SICA_IWR0, IWR_ENABLE(0));
bfin_write32(SICA_IWR1, 0);
bfin_write16(PLL_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SICA_IWR0, iwr0);
bfin_write32(SICA_IWR1, iwr1);
local_irq_restore_hw(flags);
}
/* Writing to VR_CTL initiates a PLL relock sequence. */
static __inline__ void bfin_write_VR_CTL(unsigned int val)
{
unsigned long flags, iwr0, iwr1;
if (val == bfin_read_VR_CTL())
return;
local_irq_save_hw(flags);
/* Enable the PLL Wakeup bit in SIC IWR */
iwr0 = bfin_read32(SICA_IWR0);
iwr1 = bfin_read32(SICA_IWR1);
/* Only allow PPL Wakeup) */
bfin_write32(SICA_IWR0, IWR_ENABLE(0));
bfin_write32(SICA_IWR1, 0);
bfin_write16(VR_CTL, val);
SSYNC();
asm("IDLE;");
bfin_write32(SICA_IWR0, iwr0);
bfin_write32(SICA_IWR1, iwr1);
local_irq_restore_hw(flags);
}
#endif /* _MACH_PLL_H */

1
drivers/net/bfin_mac.c
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@ -38,6 +38,7 @@
#include <asm/blackfin.h>
#include <asm/cacheflush.h>
#include <asm/portmux.h>
#include <mach/pll.h>
#include "bfin_mac.h"