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kernel/linux-imx6_3.14.28/arch/avr32/mach-at32ap/hsmc.h 3.67 KB
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  /*
   * Register definitions for Atmel Static Memory Controller (SMC)
   *
   * Copyright (C) 2006 Atmel Corporation
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  #ifndef __ASM_AVR32_HSMC_H__
  #define __ASM_AVR32_HSMC_H__
  
  /* HSMC register offsets */
  #define HSMC_SETUP0				0x0000
  #define HSMC_PULSE0				0x0004
  #define HSMC_CYCLE0				0x0008
  #define HSMC_MODE0				0x000c
  #define HSMC_SETUP1				0x0010
  #define HSMC_PULSE1				0x0014
  #define HSMC_CYCLE1				0x0018
  #define HSMC_MODE1				0x001c
  #define HSMC_SETUP2				0x0020
  #define HSMC_PULSE2				0x0024
  #define HSMC_CYCLE2				0x0028
  #define HSMC_MODE2				0x002c
  #define HSMC_SETUP3				0x0030
  #define HSMC_PULSE3				0x0034
  #define HSMC_CYCLE3				0x0038
  #define HSMC_MODE3				0x003c
  #define HSMC_SETUP4				0x0040
  #define HSMC_PULSE4				0x0044
  #define HSMC_CYCLE4				0x0048
  #define HSMC_MODE4				0x004c
  #define HSMC_SETUP5				0x0050
  #define HSMC_PULSE5				0x0054
  #define HSMC_CYCLE5				0x0058
  #define HSMC_MODE5				0x005c
  
  /* Bitfields in SETUP0 */
  #define HSMC_NWE_SETUP_OFFSET			0
  #define HSMC_NWE_SETUP_SIZE			6
  #define HSMC_NCS_WR_SETUP_OFFSET		8
  #define HSMC_NCS_WR_SETUP_SIZE			6
  #define HSMC_NRD_SETUP_OFFSET			16
  #define HSMC_NRD_SETUP_SIZE			6
  #define HSMC_NCS_RD_SETUP_OFFSET		24
  #define HSMC_NCS_RD_SETUP_SIZE			6
  
  /* Bitfields in PULSE0 */
  #define HSMC_NWE_PULSE_OFFSET			0
  #define HSMC_NWE_PULSE_SIZE			7
  #define HSMC_NCS_WR_PULSE_OFFSET		8
  #define HSMC_NCS_WR_PULSE_SIZE			7
  #define HSMC_NRD_PULSE_OFFSET			16
  #define HSMC_NRD_PULSE_SIZE			7
  #define HSMC_NCS_RD_PULSE_OFFSET		24
  #define HSMC_NCS_RD_PULSE_SIZE			7
  
  /* Bitfields in CYCLE0 */
  #define HSMC_NWE_CYCLE_OFFSET			0
  #define HSMC_NWE_CYCLE_SIZE			9
  #define HSMC_NRD_CYCLE_OFFSET			16
  #define HSMC_NRD_CYCLE_SIZE			9
  
  /* Bitfields in MODE0 */
  #define HSMC_READ_MODE_OFFSET			0
  #define HSMC_READ_MODE_SIZE			1
  #define HSMC_WRITE_MODE_OFFSET			1
  #define HSMC_WRITE_MODE_SIZE			1
  #define HSMC_EXNW_MODE_OFFSET			4
  #define HSMC_EXNW_MODE_SIZE			2
  #define HSMC_BAT_OFFSET				8
  #define HSMC_BAT_SIZE				1
  #define HSMC_DBW_OFFSET				12
  #define HSMC_DBW_SIZE				2
  #define HSMC_TDF_CYCLES_OFFSET			16
  #define HSMC_TDF_CYCLES_SIZE			4
  #define HSMC_TDF_MODE_OFFSET			20
  #define HSMC_TDF_MODE_SIZE			1
  #define HSMC_PMEN_OFFSET			24
  #define HSMC_PMEN_SIZE				1
  #define HSMC_PS_OFFSET				28
  #define HSMC_PS_SIZE				2
  
  /* Constants for READ_MODE */
  #define HSMC_READ_MODE_NCS_CONTROLLED		0
  #define HSMC_READ_MODE_NRD_CONTROLLED		1
  
  /* Constants for WRITE_MODE */
  #define HSMC_WRITE_MODE_NCS_CONTROLLED		0
  #define HSMC_WRITE_MODE_NWE_CONTROLLED		1
  
  /* Constants for EXNW_MODE */
  #define HSMC_EXNW_MODE_DISABLED			0
  #define HSMC_EXNW_MODE_RESERVED			1
  #define HSMC_EXNW_MODE_FROZEN			2
  #define HSMC_EXNW_MODE_READY			3
  
  /* Constants for BAT */
  #define HSMC_BAT_BYTE_SELECT			0
  #define HSMC_BAT_BYTE_WRITE			1
  
  /* Constants for DBW */
  #define HSMC_DBW_8_BITS				0
  #define HSMC_DBW_16_BITS			1
  #define HSMC_DBW_32_BITS			2
  
  /* Bit manipulation macros */
  #define HSMC_BIT(name)							\
  	(1 << HSMC_##name##_OFFSET)
  #define HSMC_BF(name,value)						\
  	(((value) & ((1 << HSMC_##name##_SIZE) - 1))			\
  	 << HSMC_##name##_OFFSET)
  #define HSMC_BFEXT(name,value)						\
  	(((value) >> HSMC_##name##_OFFSET)				\
  	 & ((1 << HSMC_##name##_SIZE) - 1))
  #define HSMC_BFINS(name,value,old)					\
  	(((old) & ~(((1 << HSMC_##name##_SIZE) - 1)			\
  		    << HSMC_##name##_OFFSET)) | HSMC_BF(name,value))
  
  /* Register access macros */
  #define hsmc_readl(port,reg)						\
  	__raw_readl((port)->regs + HSMC_##reg)
  #define hsmc_writel(port,reg,value)					\
  	__raw_writel((value), (port)->regs + HSMC_##reg)
  
  #endif /* __ASM_AVR32_HSMC_H__ */