hsmc.h
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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__ */