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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-bf548/include/mach/cdefBF54x_base.h
parentb94919e2da2f7acde842972a57fcd6dcc4a528db (diff)
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-bf548/include/mach/cdefBF54x_base.h')
-rw-r--r--arch/blackfin/mach-bf548/include/mach/cdefBF54x_base.h114
1 files changed, 59 insertions, 55 deletions
diff --git a/arch/blackfin/mach-bf548/include/mach/cdefBF54x_base.h b/arch/blackfin/mach-bf548/include/mach/cdefBF54x_base.h
index 57ac8cb9b1f..c376fb7acda 100644
--- a/arch/blackfin/mach-bf548/include/mach/cdefBF54x_base.h
+++ b/arch/blackfin/mach-bf548/include/mach/cdefBF54x_base.h
@@ -34,7 +34,6 @@
#include <asm/blackfin.h>
#include "defBF54x_base.h"
-#include <asm/system.h>
/* ************************************************************** */
/* SYSTEM & MMR ADDRESS DEFINITIONS COMMON TO ALL ADSP-BF54x */
@@ -43,63 +42,9 @@
/* PLL Registers */
#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, iwr0, iwr1, iwr2;
-
- if (val == bfin_read_PLL_CTL())
- return;
-
- local_irq_save(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(flags);
-}
#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, iwr0, iwr1, iwr2;
-
- if (val == bfin_read_VR_CTL())
- return;
-
- local_irq_save(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(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)
@@ -2746,5 +2691,64 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
#define bfin_read_PINT3_IRQ bfin_read_PINT3_REQUEST
#define bfin_write_PINT3_IRQ bfin_write_PINT3_REQUEST
+/* 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, iwr0, iwr1, iwr2;
+
+ if (val == bfin_read_PLL_CTL())
+ return;
+
+ local_irq_save(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(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(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(flags);
+}
+
#endif /* _CDEF_BF54X_H */