#ifndef _CDEF_BF534_H
#define _CDEF_BF534_H
+#include <asm/blackfin.h>
+
/* Include all Core registers and bit definitions */
#include "defBF534.h"
/* Clock and System Control (0xFFC00000 - 0xFFC000FF) */
#define bfin_read_PLL_CTL() bfin_read16(PLL_CTL)
-#define bfin_write_PLL_CTL(val) bfin_write16(PLL_CTL,val)
+/* 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_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)
{
unsigned long flags, iwr;
- bfin_write16(VR_CTL, val);
- __builtin_bfin_ssync();
+ 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));
- local_irq_save(flags);
+
+ bfin_write16(VR_CTL, val);
+ SSYNC();
asm("IDLE;");
- local_irq_restore(flags);
+
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_write_SWRST(val) bfin_write16(SWRST,val)
#define bfin_read_SYSCR() bfin_read16(SYSCR)
#define bfin_write_SYSCR(val) bfin_write16(SYSCR,val)
-#define pSIC_RVECT ((void * volatile *)SIC_RVECT)
#define bfin_read_SIC_RVECT() bfin_read32(SIC_RVECT)
#define bfin_write_SIC_RVECT(val) bfin_write32(SIC_RVECT,val)
#define bfin_read_SIC_IMASK() bfin_read32(SIC_IMASK)
#define bfin_write_EBIU_SDSTAT(val) bfin_write16(EBIU_SDSTAT,val)
/* DMA Traffic Control Registers */
-#define pDMA_TCPER ((volatile unsigned short *)DMA_TCPER)
+#define bfin_read_DMA_TC_PER() bfin_read16(DMA_TC_PER)
+#define bfin_write_DMA_TC_PER(val) bfin_write16(DMA_TC_PER,val)
+#define bfin_read_DMA_TC_CNT() bfin_read16(DMA_TC_CNT)
+#define bfin_write_DMA_TC_CNT(val) bfin_write16(DMA_TC_CNT,val)
+
+/* Alternate deprecated register names (below) provided for backwards code compatibility */
#define bfin_read_DMA_TCPER() bfin_read16(DMA_TCPER)
#define bfin_write_DMA_TCPER(val) bfin_write16(DMA_TCPER,val)
-#define pDMA_TCCNT ((volatile unsigned short *)DMA_TCCNT)
#define bfin_read_DMA_TCCNT() bfin_read16(DMA_TCCNT)
#define bfin_write_DMA_TCCNT(val) bfin_write16(DMA_TCCNT,val)
#define bfin_read_PPI_FRAME() bfin_read16(PPI_FRAME)
#define bfin_write_PPI_FRAME(val) bfin_write16(PPI_FRAME,val)
-/* Two-Wire Interface (0xFFC01400 - 0xFFC014FF) */
-#define bfin_read_TWI_CLKDIV() bfin_read16(TWI_CLKDIV)
-#define bfin_write_TWI_CLKDIV(val) bfin_write16(TWI_CLKDIV,val)
-#define bfin_read_TWI_CONTROL() bfin_read16(TWI_CONTROL)
-#define bfin_write_TWI_CONTROL(val) bfin_write16(TWI_CONTROL,val)
-#define bfin_read_TWI_SLAVE_CTL() bfin_read16(TWI_SLAVE_CTL)
-#define bfin_write_TWI_SLAVE_CTL(val) bfin_write16(TWI_SLAVE_CTL,val)
-#define bfin_read_TWI_SLAVE_STAT() bfin_read16(TWI_SLAVE_STAT)
-#define bfin_write_TWI_SLAVE_STAT(val) bfin_write16(TWI_SLAVE_STAT,val)
-#define bfin_read_TWI_SLAVE_ADDR() bfin_read16(TWI_SLAVE_ADDR)
-#define bfin_write_TWI_SLAVE_ADDR(val) bfin_write16(TWI_SLAVE_ADDR,val)
-#define bfin_read_TWI_MASTER_CTL() bfin_read16(TWI_MASTER_CTL)
-#define bfin_write_TWI_MASTER_CTL(val) bfin_write16(TWI_MASTER_CTL,val)
-#define bfin_read_TWI_MASTER_STAT() bfin_read16(TWI_MASTER_STAT)
-#define bfin_write_TWI_MASTER_STAT(val) bfin_write16(TWI_MASTER_STAT,val)
-#define bfin_read_TWI_MASTER_ADDR() bfin_read16(TWI_MASTER_ADDR)
-#define bfin_write_TWI_MASTER_ADDR(val) bfin_write16(TWI_MASTER_ADDR,val)
-#define bfin_read_TWI_INT_STAT() bfin_read16(TWI_INT_STAT)
-#define bfin_write_TWI_INT_STAT(val) bfin_write16(TWI_INT_STAT,val)
-#define bfin_read_TWI_INT_MASK() bfin_read16(TWI_INT_MASK)
-#define bfin_write_TWI_INT_MASK(val) bfin_write16(TWI_INT_MASK,val)
-#define bfin_read_TWI_FIFO_CTL() bfin_read16(TWI_FIFO_CTL)
-#define bfin_write_TWI_FIFO_CTL(val) bfin_write16(TWI_FIFO_CTL,val)
-#define bfin_read_TWI_FIFO_STAT() bfin_read16(TWI_FIFO_STAT)
-#define bfin_write_TWI_FIFO_STAT(val) bfin_write16(TWI_FIFO_STAT,val)
-#define bfin_read_TWI_XMT_DATA8() bfin_read16(TWI_XMT_DATA8)
-#define bfin_write_TWI_XMT_DATA8(val) bfin_write16(TWI_XMT_DATA8,val)
-#define bfin_read_TWI_XMT_DATA16() bfin_read16(TWI_XMT_DATA16)
-#define bfin_write_TWI_XMT_DATA16(val) bfin_write16(TWI_XMT_DATA16,val)
-#define bfin_read_TWI_RCV_DATA8() bfin_read16(TWI_RCV_DATA8)
-#define bfin_write_TWI_RCV_DATA8(val) bfin_write16(TWI_RCV_DATA8,val)
-#define bfin_read_TWI_RCV_DATA16() bfin_read16(TWI_RCV_DATA16)
-#define bfin_write_TWI_RCV_DATA16(val) bfin_write16(TWI_RCV_DATA16,val)
+/* Two-Wire Interface (0xFFC01400 - 0xFFC014FF) */
/* General Purpose I/O Port G (0xFFC01500 - 0xFFC015FF) */
#define bfin_read_PORTGIO() bfin_read16(PORTGIO)
#define bfin_write_CAN_UCRC(val) bfin_write16(CAN_UCRC,val)
#define bfin_read_CAN_UCCNF() bfin_read16(CAN_UCCNF)
#define bfin_write_CAN_UCCNF(val) bfin_write16(CAN_UCCNF,val)
-#define bfin_read_CAN_SFCMVER2() bfin_read16(CAN_SFCMVER2)
-#define bfin_write_CAN_SFCMVER2(val) bfin_write16(CAN_SFCMVER2,val)
/* Mailbox Acceptance Masks */
#define bfin_read_CAN_AM00L() bfin_read16(CAN_AM00L)
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