summaryrefslogtreecommitdiffstats
path: root/arch/blackfin/mach-bf533
diff options
context:
space:
mode:
authorMike Frysinger <vapier.adi@gmail.com>2008-11-18 17:48:22 +0800
committerBryan Wu <cooloney@kernel.org>2008-11-18 17:48:22 +0800
commit53442e1cbdc1559cd39e0076adae6df64af36a3e (patch)
tree6513ffea1fcfdf488d5ec5e96f78fb2c2bc4b9f2 /arch/blackfin/mach-bf533
parentb94919e2da2f7acde842972a57fcd6dcc4a528db (diff)
downloadtalos-obmc-linux-53442e1cbdc1559cd39e0076adae6df64af36a3e.tar.gz
talos-obmc-linux-53442e1cbdc1559cd39e0076adae6df64af36a3e.zip
Blackfin arch: delay PLL_CTL/VR_CTL wrappers
Delay PLL_CTL/VR_CTL wrappers as much as possible to avoid the inter-dependency problems with cdef and common headers Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/mach-bf533')
-rw-r--r--arch/blackfin/mach-bf533/include/mach/cdefBF532.h91
1 files changed, 47 insertions, 44 deletions
diff --git a/arch/blackfin/mach-bf533/include/mach/cdefBF532.h b/arch/blackfin/mach-bf533/include/mach/cdefBF532.h
index 3d8978a52c17..24ff2cb967f6 100644
--- a/arch/blackfin/mach-bf533/include/mach/cdefBF532.h
+++ b/arch/blackfin/mach-bf533/include/mach/cdefBF532.h
@@ -39,31 +39,8 @@
/*include core specific register pointer definitions*/
#include <asm/cdef_LPBlackfin.h>
-#include <asm/system.h>
-
/* Clock and System Control (0xFFC0 0400-0xFFC0 07FF) */
#define bfin_read_PLL_CTL() bfin_read16(PLL_CTL)
-/* 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(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(flags);
-}
#define bfin_read_PLL_STAT() bfin_read16(PLL_STAT)
#define bfin_write_PLL_STAT(val) bfin_write16(PLL_STAT,val)
#define bfin_read_PLL_LOCKCNT() bfin_read16(PLL_LOCKCNT)
@@ -72,27 +49,6 @@ static __inline__ void bfin_write_PLL_CTL(unsigned int val)
#define bfin_read_PLL_DIV() bfin_read16(PLL_DIV)
#define bfin_write_PLL_DIV(val) bfin_write16(PLL_DIV,val)
#define bfin_read_VR_CTL() bfin_read16(VR_CTL)
-/* 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(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(flags);
-}
/* System Interrupt Controller (0xFFC0 0C00-0xFFC0 0FFF) */
#define bfin_read_SWRST() bfin_read16(SWRST)
@@ -764,4 +720,51 @@ BFIN_READ_FIO_FLAG(T)
#define bfin_read_PPI_FRAME() bfin_read16(PPI_FRAME)
#define bfin_write_PPI_FRAME(val) bfin_write16(PPI_FRAME,val)
+/* These need to be last due to the cdef/linux inter-dependencies */
+#include <asm/system.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(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(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(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(flags);
+}
+
#endif /* _CDEF_BF532_H */
OpenPOWER on IntegriCloud