119 lines
3.5 KiB
C
119 lines
3.5 KiB
C
/***************************************************************************
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* Copyright (C) 2006 by Magnus Lundin *
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* lundin@mlu.mine.nu *
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* *
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* Copyright (C) 2006 by Gheorghe Guran (atlas) *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifndef AT91SAM7_H
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#define AT91SAM7_H
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#include "flash.h"
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struct at91sam7_flash_bank
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{
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/* chip id register */
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uint32_t cidr;
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uint16_t cidr_ext;
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uint16_t cidr_nvptyp;
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uint16_t cidr_arch;
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uint16_t cidr_sramsiz;
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uint16_t cidr_nvpsiz;
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uint16_t cidr_nvpsiz2;
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uint16_t cidr_eproc;
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uint16_t cidr_version;
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char *target_name;
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/* flash auto-detection */
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uint8_t flash_autodetection;
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/* flash geometry */
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uint16_t pages_per_sector;
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uint16_t pagesize;
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uint16_t pages_in_lockregion;
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/* nv memory bits */
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uint16_t num_lockbits_on;
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uint16_t lockbits;
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uint16_t num_nvmbits;
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uint16_t num_nvmbits_on;
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uint16_t nvmbits;
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uint8_t securitybit;
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/* 0: not init
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* 1: fmcn for nvbits (1uS)
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* 2: fmcn for flash (1.5uS) */
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uint8_t flashmode;
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/* main clock status */
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uint8_t mck_valid;
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uint32_t mck_freq;
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/* external clock frequency */
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uint32_t ext_freq;
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};
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/* AT91SAM7 control registers */
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#define DBGU_CIDR 0xFFFFF240
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#define CKGR_MCFR 0xFFFFFC24
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#define CKGR_MOR 0xFFFFFC20
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#define CKGR_MCFR_MAINRDY 0x10000
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#define CKGR_PLLR 0xFFFFFC2c
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#define CKGR_PLLR_DIV 0xff
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#define CKGR_PLLR_MUL 0x07ff0000
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#define PMC_MCKR 0xFFFFFC30
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#define PMC_MCKR_CSS 0x03
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#define PMC_MCKR_PRES 0x1c
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/* Flash Controller Commands */
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#define WP 0x01
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#define SLB 0x02
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#define WPL 0x03
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#define CLB 0x04
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#define EA 0x08
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#define SGPB 0x0B
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#define CGPB 0x0D
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#define SSB 0x0F
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/* MC_FSR bit definitions */
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#define MC_FSR_FRDY 1
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#define MC_FSR_EOL 2
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/* AT91SAM7 constants */
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#define RC_FREQ 32000
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/* Flash timing modes */
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#define FMR_TIMING_NONE 0
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#define FMR_TIMING_NVBITS 1
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#define FMR_TIMING_FLASH 2
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/* Flash size constants */
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#define FLASH_SIZE_8KB 1
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#define FLASH_SIZE_16KB 2
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#define FLASH_SIZE_32KB 3
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#define FLASH_SIZE_64KB 5
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#define FLASH_SIZE_128KB 7
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#define FLASH_SIZE_256KB 9
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#define FLASH_SIZE_512KB 10
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#define FLASH_SIZE_1024KB 12
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#define FLASH_SIZE_2048KB 14
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#endif /* AT91SAM7_H */
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