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Blackfin arch: Move write to VR_CTL closer to IDLE 

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Michael Hennerich 2007-05-21 18:09:16 +08:00 committed by Linus Torvalds
parent 9ae246cd85
commit d1b945fdb6
3 changed files with 12 additions and 6 deletions
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6
include/asm-blackfin/mach-bf533/cdefBF532.h
View File

@ -63,12 +63,14 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
{ {
unsigned long flags, iwr; unsigned long flags, iwr;
bfin_write16(VR_CTL, val);
__builtin_bfin_ssync();
/* Enable the PLL Wakeup bit in SIC IWR */ /* Enable the PLL Wakeup bit in SIC IWR */
iwr = bfin_read32(SIC_IWR); iwr = bfin_read32(SIC_IWR);
/* Only allow PPL Wakeup) */ /* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR, IWR_ENABLE(0)); bfin_write32(SIC_IWR, IWR_ENABLE(0));
bfin_write16(VR_CTL, val);
__builtin_bfin_ssync();
local_irq_save(flags); local_irq_save(flags);
asm("IDLE;"); asm("IDLE;");
local_irq_restore(flags); local_irq_restore(flags);

6
include/asm-blackfin/mach-bf537/cdefBF534.h
View File

@ -51,12 +51,14 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
{ {
unsigned long flags, iwr; unsigned long flags, iwr;
bfin_write16(VR_CTL, val);
__builtin_bfin_ssync();
/* Enable the PLL Wakeup bit in SIC IWR */ /* Enable the PLL Wakeup bit in SIC IWR */
iwr = bfin_read32(SIC_IWR); iwr = bfin_read32(SIC_IWR);
/* Only allow PPL Wakeup) */ /* Only allow PPL Wakeup) */
bfin_write32(SIC_IWR, IWR_ENABLE(0)); bfin_write32(SIC_IWR, IWR_ENABLE(0));
bfin_write16(VR_CTL, val);
__builtin_bfin_ssync();
local_irq_save(flags); local_irq_save(flags);
asm("IDLE;"); asm("IDLE;");
local_irq_restore(flags); local_irq_restore(flags);

6
include/asm-blackfin/mach-bf561/cdefBF561.h
View File

@ -59,12 +59,14 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
{ {
unsigned long flags, iwr; unsigned long flags, iwr;
bfin_write16(VR_CTL, val);
__builtin_bfin_ssync();
/* Enable the PLL Wakeup bit in SIC IWR */ /* Enable the PLL Wakeup bit in SIC IWR */
iwr = bfin_read32(SICA_IWR0); iwr = bfin_read32(SICA_IWR0);
/* Only allow PPL Wakeup) */ /* Only allow PPL Wakeup) */
bfin_write32(SICA_IWR0, IWR_ENABLE(0)); bfin_write32(SICA_IWR0, IWR_ENABLE(0));
bfin_write16(VR_CTL, val);
__builtin_bfin_ssync();
local_irq_save(flags); local_irq_save(flags);
asm("IDLE;"); asm("IDLE;");
local_irq_restore(flags); local_irq_restore(flags);