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Diffstat (limited to 'arch/blackfin/mach-bf561/include/mach/pll.h')
-rw-r--r--arch/blackfin/mach-bf561/include/mach/pll.h83
1 files changed, 37 insertions, 46 deletions
diff --git a/arch/blackfin/mach-bf561/include/mach/pll.h b/arch/blackfin/mach-bf561/include/mach/pll.h
index f2b1fbdb8e72..7977db2f1c12 100644
--- a/arch/blackfin/mach-bf561/include/mach/pll.h
+++ b/arch/blackfin/mach-bf561/include/mach/pll.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2005-2009 Analog Devices Inc.
+ * Copyright 2005-2010 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
@@ -7,57 +7,48 @@
#ifndef _MACH_PLL_H
#define _MACH_PLL_H
+#ifndef __ASSEMBLY__
+
+#ifdef CONFIG_SMP
+
#include <asm/blackfin.h>
#include <asm/irqflags.h>
+#include <mach/irq.h>
+
+#define SUPPLE_0_WAKEUP ((IRQ_SUPPLE_0 - (IRQ_CORETMR + 1)) % 32)
-/* Writing to PLL_CTL initiates a PLL relock sequence. */
-static __inline__ void bfin_write_PLL_CTL(unsigned int val)
+static inline void
+bfin_iwr_restore(unsigned long iwr0, unsigned long iwr1, unsigned long iwr2)
{
- unsigned long flags, iwr0, iwr1;
-
- if (val == bfin_read_PLL_CTL())
- return;
-
- flags = hard_local_irq_save();
- /* 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);
- hard_local_irq_restore(flags);
+ unsigned long SICA_SICB_OFF = ((bfin_read_DSPID() & 0xff) ? 0x1000 : 0);
+
+ bfin_write32(SIC_IWR0 + SICA_SICB_OFF, iwr0);
+ bfin_write32(SIC_IWR1 + SICA_SICB_OFF, iwr1);
}
+#define bfin_iwr_restore bfin_iwr_restore
-/* Writing to VR_CTL initiates a PLL relock sequence. */
-static __inline__ void bfin_write_VR_CTL(unsigned int val)
+static inline void
+bfin_iwr_save(unsigned long niwr0, unsigned long niwr1, unsigned long niwr2,
+ unsigned long *iwr0, unsigned long *iwr1, unsigned long *iwr2)
{
- unsigned long flags, iwr0, iwr1;
-
- if (val == bfin_read_VR_CTL())
- return;
-
- flags = hard_local_irq_save();
- /* 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);
- hard_local_irq_restore(flags);
+ unsigned long SICA_SICB_OFF = ((bfin_read_DSPID() & 0xff) ? 0x1000 : 0);
+
+ *iwr0 = bfin_read32(SIC_IWR0 + SICA_SICB_OFF);
+ *iwr1 = bfin_read32(SIC_IWR1 + SICA_SICB_OFF);
+ bfin_iwr_restore(niwr0, niwr1, niwr2);
}
+#define bfin_iwr_save bfin_iwr_save
+
+static inline void
+bfin_iwr_set_sup0(unsigned long *iwr0, unsigned long *iwr1, unsigned long *iwr2)
+{
+ bfin_iwr_save(0, IWR_ENABLE(SUPPLE_0_WAKEUP), 0, iwr0, iwr1, iwr2);
+}
+
+#endif
+
+#endif
+
+#include <mach-common/pll.h>
-#endif /* _MACH_PLL_H */
+#endif