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/*
* File: include/asm-blackfin/mach-bf533/cdefBF532.h
* Based on:
* Author:
*
* Created:
* Description:
*
* Rev:
*
* Modified:
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING.
* If not, write to the Free Software Foundation,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _CDEF_BF532_H
#define _CDEF_BF532_H
#include <asm/blackfin.h>
/*include all Core registers and bit definitions*/
#include "defBF532.h"
/*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)
#define bfin_write_PLL_LOCKCNT(val) bfin_write16(PLL_LOCKCNT,val)
#define bfin_read_CHIPID() bfin_read32(CHIPID)
#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)
#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 bfin_read_SIC_IAR0() bfin_read32(SIC_IAR0)
#define bfin_write_SIC_IAR0(val) bfin_write32(SIC_IAR0,val)
#define bfin_read_SIC_IAR1() bfin_read32(SIC_IAR1)
#define bfin_write_SIC_IAR1(val) bfin_write32(SIC_IAR1,val)
#define bfin_read_SIC_IAR2() bfin_read32(SIC_IAR2)
#define bfin_write_SIC_IAR2(val) bfin_write32(SIC_IAR2,val)
#define bfin_read_SIC_IAR3() bfin_read32(SIC_IAR3)
#define bfin_write_SIC_IAR3(val) bfin_write32(SIC_IAR3,val)
#define bfin_read_SIC_IMASK() bfin_read32(SIC_IMASK)
#define bfin_write_SIC_IMASK(val) bfin_write32(SIC_IMASK,val)
#define bfin_read_SIC_ISR() bfin_read32(SIC_ISR)
#define bfin_write_SIC_ISR(val) bfin_write32(SIC_ISR,val)
#define bfin_read_SIC_IWR() bfin_read32(SIC_IWR)
#define bfin_write_SIC_IWR(val) bfin_write32(SIC_IWR,val)
/* Watchdog Timer (0xFFC0 1000-0xFFC0 13FF) */
#define bfin_read_WDOG_CTL() bfin_read16(WDOG_CTL)
#define bfin_write_WDOG_CTL(val) bfin_write16(WDOG_CTL,val)
#define bfin_read_WDOG_CNT() bfin_read32(WDOG_CNT)
#define bfin_write_WDOG_CNT(val) bfin_write32(WDOG_CNT,val)
#define bfin_read_WDOG_STAT() bfin_read32(WDOG_STAT)
#define bfin_write_WDOG_STAT(val) bfin_write32(WDOG_STAT,val)
/* Real Time Clock (0xFFC0 1400-0xFFC0 17FF) */
#define bfin_read_RTC_STAT() bfin_read32(RTC_STAT)
#define bfin_write_RTC_STAT(val) bfin_write32(RTC_STAT,val)
#define bfin_read_RTC_ICTL() bfin_read16(RTC_ICTL)
#define bfin_write_RTC_ICTL(val) bfin_write16(RTC_ICTL,val)
#define bfin_read_RTC_ISTAT() bfin_read16(RTC_ISTAT)
#define bfin_write_RTC_ISTAT(val) bfin_write16(RTC_ISTAT,val)
#define bfin_read_RTC_SWCNT() bfin_read16(RTC_SWCNT)
#define bfin_write_RTC_SWCNT(val) bfin_write16(RTC_SWCNT,val)
#define bfin_read_RTC_ALARM() bfin_read32(RTC_ALARM)
#define bfin_write_RTC_ALARM(val) bfin_write32(RTC_ALARM,val)
#define bfin_read_RTC_FAST() bfin_read16(RTC_FAST)
#define bfin_write_RTC_FAST(val) bfin_write16(RTC_FAST,val)
#define bfin_read_RTC_PREN() bfin_read16(RTC_PREN)
#define bfin_write_RTC_PREN(val) bfin_write16(RTC_PREN,val)
/* DMA Traffic controls */
#define bfin_read_DMA_TCPER() bfin_read16(DMA_TCPER)
#define bfin_write_DMA_TCPER(val) bfin_write16(DMA_TCPER,val)
#define bfin_read_DMA_TCCNT() bfin_read16(DMA_TCCNT)
#define bfin_write_DMA_TCCNT(val) bfin_write16(DMA_TCCNT,val)
/* Alternate deprecated register names (below) provided for backwards code compatibility */
#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)
/* General Purpose IO (0xFFC0 2400-0xFFC0 27FF) */
#define bfin_read_FIO_DIR() bfin_read16(FIO_DIR)
#define bfin_write_FIO_DIR(val) bfin_write16(FIO_DIR,val)
#define bfin_read_FIO_MASKA_C() bfin_read16(FIO_MASKA_C)
#define bfin_write_FIO_MASKA_C(val) bfin_write16(FIO_MASKA_C,val)
#define bfin_read_FIO_MASKA_S() bfin_read16(FIO_MASKA_S)
#define bfin_write_FIO_MASKA_S(val) bfin_write16(FIO_MASKA_S,val)
#define bfin_read_FIO_MASKB_C() bfin_read16(FIO_MASKB_C)
#define bfin_write_FIO_MASKB_C(val) bfin_write16(FIO_MASKB_C,val)
#define bfin_read_FIO_MASKB_S() bfin_read16(FIO_MASKB_S)
#define bfin_write_FIO_MASKB_S(val) bfin_write16(FIO_MASKB_S,val)
#define bfin_read_FIO_POLAR() bfin_read16(FIO_POLAR)
#define bfin_write_FIO_POLAR(val) bfin_write16(FIO_POLAR,val)
#define bfin_read_FIO_EDGE() bfin_read16(FIO_EDGE)
#define bfin_write_FIO_EDGE(val) bfin_write16(FIO_EDGE,val)
#define bfin_read_FIO_BOTH() bfin_read16(FIO_BOTH)
#define bfin_write_FIO_BOTH(val) bfin_write16(FIO_BOTH,val)
#define bfin_read_FIO_INEN() bfin_read16(FIO_INEN)
#define bfin_write_FIO_INEN(val) bfin_write16(FIO_INEN,val)
#define bfin_read_FIO_MASKA_D() bfin_read16(FIO_MASKA_D)
#define bfin_write_FIO_MASKA_D(val) bfin_write16(FIO_MASKA_D,val)
#define bfin_read_FIO_MASKA_T() bfin_read16(FIO_MASKA_T)
#define bfin_write_FIO_MASKA_T(val) bfin_write16(FIO_MASKA_T,val)
#define bfin_read_FIO_MASKB_D() bfin_read16(FIO_MASKB_D)
#define bfin_write_FIO_MASKB_D(val) bfin_write16(FIO_MASKB_D,val)
#define bfin_read_FIO_MASKB_T() bfin_read16(FIO_MASKB_T)
#define bfin_write_FIO_MASKB_T(val) bfin_write16(FIO_MASKB_T,val)
#if ANOMALY_05000311
#define BFIN_WRITE_FIO_FLAG(name) \
static __inline__ void bfin_write_FIO_FLAG_ ## name (unsigned short val)\
{\
unsigned long flags;\
local_irq_save(flags);\
bfin_write16(FIO_FLAG_ ## name,val);\
bfin_read_CHIPID();\
local_irq_restore(flags);\
}
BFIN_WRITE_FIO_FLAG(D)
BFIN_WRITE_FIO_FLAG(C)
BFIN_WRITE_FIO_FLAG(S)
BFIN_WRITE_FIO_FLAG(T)
#define BFIN_READ_FIO_FLAG(name) \
static __inline__ unsigned short bfin_read_FIO_FLAG_ ## name (void)\
{\
unsigned long flags;\
unsigned short ret;\
local_irq_save(flags);\
ret = bfin_read16(FIO_FLAG_ ## name);\
bfin_read_CHIPID();\
local_irq_restore(flags);\
return ret;\
}
BFIN_READ_FIO_FLAG(D)
BFIN_READ_FIO_FLAG(C)
BFIN_READ_FIO_FLAG(S)
BFIN_READ_FIO_FLAG(T)
#else
#define bfin_write_FIO_FLAG_D(val) bfin_write16(FIO_FLAG_D,val)
#define bfin_write_FIO_FLAG_C(val) bfin_write16(FIO_FLAG_C,val)
#define bfin_write_FIO_FLAG_S(val) bfin_write16(FIO_FLAG_S,val)
#define bfin_write_FIO_FLAG_T(val) bfin_write16(FIO_FLAG_T,val)
#define bfin_read_FIO_FLAG_T() bfin_read16(FIO_FLAG_T)
#define bfin_read_FIO_FLAG_C() bfin_read16(FIO_FLAG_C)
#define bfin_read_FIO_FLAG_S() bfin_read16(FIO_FLAG_S)
#define bfin_read_FIO_FLAG_D() bfin_read16(FIO_FLAG_D)
#endif
/* DMA Controller */
#define bfin_read_DMA0_CONFIG() bfin_read16(DMA0_CONFIG)
#define bfin_write_DMA0_CONFIG(val) bfin_write16(DMA0_CONFIG,val)
#define bfin_read_DMA0_NEXT_DESC_PTR() bfin_read32(DMA0_NEXT_DESC_PTR)
#define bfin_write_DMA0_NEXT_DESC_PTR(val) bfin_write32(DMA0_NEXT_DESC_PTR,val)
#define bfin_read_DMA0_START_ADDR() bfin_read32(DMA0_START_ADDR)
#define bfin_write_DMA0_START_ADDR(val) bfin_write32(DMA0_START_ADDR,val)
#define bfin_read_DMA0_X_COUNT() bfin_read16(DMA0_X_COUNT)
#define bfin_write_DMA0_X_COUNT(val) bfin_write16(DMA0_X_COUNT,val)
#define bfin_read_DMA0_Y_COUNT() bfin_read16(DMA0_Y_COUNT)
#define bfin_write_DMA0_Y_COUNT(val) bfin_write16(DMA0_Y_COUNT,val)
#define bfin_read_DMA0_X_MODIFY() bfin_read16(DMA0_X_MODIFY)
#define bfin_write_DMA0_X_MODIFY(val) bfin_write16(DMA0_X_MODIFY,val)
#define bfin_read_DMA0_Y_MODIFY() bfin_read16(DMA0_Y_MODIFY)
#define bfin_write_DMA0_Y_MODIFY(val) bfin_write16(DMA0_Y_MODIFY,val)
#define bfin_read_DMA0_CURR_DESC_PTR() bfin_read32(DMA0_CURR_DESC_PTR)
#define bfin_write_DMA0_CURR_DESC_PTR(val) bfin_write32(DMA0_CURR_DESC_PTR,val)
#define bfin_read_DMA0_CURR_ADDR() bfin_read32(DMA0_CURR_ADDR)
#define bfin_write_DMA0_CURR_ADDR(val) bfin_write32(DMA0_CURR_ADDR,val)
#define bfin_read_DMA0_CURR_X_COUNT() bfin_read16(DMA0_CURR_X_COUNT)
#define bfin_write_DMA0_CURR_X_COUNT(val) bfin_write16(DMA0_CURR_X_COUNT,val)
#define bfin_read_DMA0_CURR_Y_COUNT() bfin_read16(DMA0_CURR_Y_COUNT)
#define bfin_write_DMA0_CURR_Y_COUNT(val) bfin_write16(DMA0_CURR_Y_COUNT,val)
#define bfin_read_DMA0_IRQ_STATUS() bfin_read16(DMA0_IRQ_STATUS)
#define bfin_write_DMA0_IRQ_STATUS(val) bfin_write16(DMA0_IRQ_STATUS,val)
#define bfin_read_DMA0_PERIPHERAL_MAP() bfin_read16(DMA0_PERIPHERAL_MAP)
#define bfin_write_DMA0_PERIPHERAL_MAP(val) bfin_write16(DMA0_PERIPHERAL_MAP,val)
#define bfin_read_DMA1_CONFIG() bfin_read16(DMA1_CONFIG)
#define bfin_write_DMA1_CONFIG(val) bfin_write16(DMA1_CONFIG,val)
#define bfin_read_DMA1_NEXT_DESC_PTR() bfin_read32(DMA1_NEXT_DESC_PTR)
#define bfin_write_DMA1_NEXT_DESC_PTR(val) bfin_write32(DMA1_NEXT_DESC_PTR,val)
#define bfin_read_DMA1_START_ADDR() bfin_read32(DMA1_START_ADDR)
#define bfin_write_DMA1_START_ADDR(val) bfin_write32(DMA1_START_ADDR,val)
#define bfin_read_DMA1_X_COUNT() bfin_read16(DMA1_X_COUNT)
#define bfin_write_DMA1_X_COUNT(val) bfin_write16(DMA1_X_COUNT,val)
#define bfin_read_DMA1_Y_COUNT() bfin_read16(DMA1_Y_COUNT)
#define bfin_write_DMA1_Y_COUNT(val) bfin_write16(DMA1_Y_COUNT,val)
#define bfin_read_DMA1_X_MODIFY() bfin_read16(DMA1_X_MODIFY)
#define bfin_write_DMA1_X_MODIFY(val) bfin_write16(DMA1_X_MODIFY,val)
#define bfin_read_DMA1_Y_MODIFY() bfin_read16(DMA1_Y_MODIFY)
#define bfin_write_DMA1_Y_MODIFY(val) bfin_write16(DMA1_Y_MODIFY,val)
#define bfin_read_DMA1_CURR_DESC_PTR() bfin_read32(DMA1_CURR_DESC_PTR)
#define bfin_write_DMA1_CURR_DESC_PTR(val) bfin_write32(DMA1_CURR_DESC_PTR,val)
#define bfin_read_DMA1_CURR_ADDR() bfin_read32(DMA1_CURR_ADDR)
#define bfin_write_DMA1_CURR_ADDR(val) bfin_write32(DMA1_CURR_ADDR,val)
#define bfin_read_DMA1_CURR_X_COUNT() bfin_read16(DMA1_CURR_X_COUNT)
#define bfin_write_DMA1_CURR_X_COUNT(val) bfin_write16(DMA1_CURR_X_COUNT,val)
#define bfin_read_DMA1_CURR_Y_COUNT() bfin_read16(DMA1_CURR_Y_COUNT)
#define bfin_write_DMA1_CURR_Y_COUNT(val) bfin_write16(DMA1_CURR_Y_COUNT,val)
#define bfin_read_DMA1_IRQ_STATUS() bfin_read16(DMA1_IRQ_STATUS)
#define bfin_write_DMA1_IRQ_STATUS(val) bfin_write16(DMA1_IRQ_STATUS,val)
#define bfin_read_DMA1_PERIPHERAL_MAP() bfin_read16(DMA1_PERIPHERAL_MAP)
#define bfin_write_DMA1_PERIPHERAL_MAP(val) bfin_write16(DMA1_PERIPHERAL_MAP,val)
#define bfin_read_DMA2_CONFIG() bfin_read16(DMA2_CONFIG)
#define bfin_write_DMA2_CONFIG(val) bfin_write16(DMA2_CONFIG,val)
#define bfin_read_DMA2_NEXT_DESC_PTR() bfin_read32(DMA2_NEXT_DESC_PTR)
#define bfin_write_DMA2_NEXT_DESC_PTR(val) bfin_write32(DMA2_NEXT_DESC_PTR,val)
#define bfin_read_DMA2_START_ADDR() bfin_read32(DMA2_START_ADDR)
#define bfin_write_DMA2_START_ADDR(val) bfin_write32(DMA2_START_ADDR,val)
#define bfin_read_DMA2_X_COUNT() bfin_read16(DMA2_X_COUNT)
#define bfin_write_DMA2_X_COUNT(val) bfin_write16(DMA2_X_COUNT,val)
#define bfin_read_DMA2_Y_COUNT() bfin_read16(DMA2_Y_COUNT)
#define bfin_write_DMA2_Y_COUNT(val) bfin_write16(DMA2_Y_COUNT,val)
#define bfin_read_DMA2_X_MODIFY() bfin_read16(DMA2_X_MODIFY)
#define bfin_write_DMA2_X_MODIFY(val) bfin_write16(DMA2_X_MODIFY,val)
#define bfin_read_DMA2_Y_MODIFY() bfin_read16(DMA2_Y_MODIFY)
#define bfin_write_DMA2_Y_MODIFY(val) bfin_write16(DMA2_Y_MODIFY,val)
#define bfin_read_DMA2_CURR_DESC_PTR() bfin_read32(DMA2_CURR_DESC_PTR)
#define bfin_write_DMA2_CURR_DESC_PTR(val) bfin_write32(DMA2_CURR_DESC_PTR,val)
#define bfin_read_DMA2_CURR_ADDR() bfin_read32(DMA2_CURR_ADDR)
#define bfin_write_DMA2_CURR_ADDR(val) bfin_write32(DMA2_CURR_ADDR,val)
#define bfin_read_DMA2_CURR_X_COUNT() bfin_read16(DMA2_CURR_X_COUNT)
#define bfin_write_DMA2_CURR_X_COUNT(val) bfin_write16(DMA2_CURR_X_COUNT,val)
#define bfin_read_DMA2_CURR_Y_COUNT() bfin_read16(DMA2_CURR_Y_COUNT)
#define bfin_write_DMA2_CURR_Y_COUNT(val) bfin_write16(DMA2_CURR_Y_COUNT,val)
#define bfin_read_DMA2_IRQ_STATUS() bfin_read16(DMA2_IRQ_STATUS)
#define bfin_write_DMA2_IRQ_STATUS(val) bfin_write16(DMA2_IRQ_STATUS,val)
#define bfin_read_DMA2_PERIPHERAL_MAP() bfin_read16(DMA2_PERIPHERAL_MAP)
#define bfin_write_DMA2_PERIPHERAL_MAP(val) bfin_write16(DMA2_PERIPHERAL_MAP,val)
#define bfin_read_DMA3_CONFIG() bfin_read16(DMA3_CONFIG)
#define bfin_write_DMA3_CONFIG(val) bfin_write16(DMA3_CONFIG,val)
#define bfin_read_DMA3_NEXT_DESC_PTR() bfin_read32(DMA3_NEXT_DESC_PTR)
#define bfin_write_DMA3_NEXT_DESC_PTR(val) bfin_write32(DMA3_NEXT_DESC_PTR,val)
#define bfin_read_DMA3_START_ADDR() bfin_read32(DMA3_START_ADDR)
#define bfin_write_DMA3_START_ADDR(val) bfin_write32(DMA3_START_ADDR,val)
#define bfin_read_DMA3_X_COUNT() bfin_read16(DMA3_X_COUNT)
#define bfin_write_DMA3_X_COUNT(val) bfin_write16(DMA3_X_COUNT,val)
#define bfin_read_DMA3_Y_COUNT() bfin_read16(DMA3_Y_COUNT)
#define bfin_write_DMA3_Y_COUNT(val) bfin_write16(DMA3_Y_COUNT,val)
#define bfin_read_DMA3_X_MODIFY() bfin_read16(DMA3_X_MODIFY)
#define bfin_write_DMA3_X_MODIFY(val) bfin_write16(DMA3_X_MODIFY,val)
#define bfin_read_DMA3_Y_MODIFY() bfin_read16(DMA3_Y_MODIFY)
#define bfin_write_DMA3_Y_MODIFY(val) bfin_write16(DMA3_Y_MODIFY,val)
#define bfin_read_DMA3_CURR_DESC_PTR() bfin_read32(DMA3_CURR_DESC_PTR)
#define bfin_write_DMA3_CURR_DESC_PTR(val) bfin_write32(DMA3_CURR_DESC_PTR,val)
#define bfin_read_DMA3_CURR_ADDR() bfin_read32(DMA3_CURR_ADDR)
#define bfin_write_DMA3_CURR_ADDR(val) bfin_write32(DMA3_CURR_ADDR,val)
#define bfin_read_DMA3_CURR_X_COUNT() bfin_read16(DMA3_CURR_X_COUNT)
#define bfin_write_DMA3_CURR_X_COUNT(val) bfin_write16(DMA3_CURR_X_COUNT,val)
#define bfin_read_DMA3_CURR_Y_COUNT() bfin_read16(DMA3_CURR_Y_COUNT)
#define bfin_write_DMA3_CURR_Y_COUNT(val) bfin_write16(DMA3_CURR_Y_COUNT,val)
#define bfin_read_DMA3_IRQ_STATUS() bfin_read16(DMA3_IRQ_STATUS)
#define bfin_write_DMA3_IRQ_STATUS(val) bfin_write16(DMA3_IRQ_STATUS,val)
#define bfin_read_DMA3_PERIPHERAL_MAP() bfin_read16(DMA3_PERIPHERAL_MAP)
#define bfin_write_DMA3_PERIPHERAL_MAP(val) bfin_write16(DMA3_PERIPHERAL_MAP,val)
#define bfin_read_DMA4_CONFIG() bfin_read16(DMA4_CONFIG)
#define bfin_write_DMA4_CONFIG(val) bfin_write16(DMA4_CONFIG,val)
#define bfin_read_DMA4_NEXT_DESC_PTR() bfin_read32(DMA4_NEXT_DESC_PTR)
#define bfin_write_DMA4_NEXT_DESC_PTR(val) bfin_write32(DMA4_NEXT_DESC_PTR,val)
#define bfin_read_DMA4_START_ADDR() bfin_read32(DMA4_START_ADDR)
#define bfin_write_DMA4_START_ADDR(val) bfin_write32(DMA4_START_ADDR,val)
#define bfin_read_DMA4_X_COUNT() bfin_read16(DMA4_X_COUNT)
#define bfin_write_DMA4_X_COUNT(val) bfin_write16(DMA4_X_COUNT,val)
#define bfin_read_DMA4_Y_COUNT() bfin_read16(DMA4_Y_COUNT)
#define bfin_write_DMA4_Y_COUNT(val) bfin_write16(DMA4_Y_COUNT,val)
#define bfin_read_DMA4_X_MODIFY() bfin_read16(DMA4_X_MODIFY)
#define bfin_write_DMA4_X_MODIFY(val) bfi
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