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Commit 3d6bcf07 authored by drath's avatar drath
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- convert all files to unix line-ending 


git-svn-id: svn://svn.berlios.de/openocd/trunk@347 b42882b7-edfa-0310-969c-e2dbd0fdcd60
parent 7f1944a4
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src/flash/at91sam7.h
View file @ 3d6bcf07
/***************************************************************************
* Copyright (C) 2006 by Magnus Lundin *
* lundin@mlu.mine.nu *
* *
* 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 of the License, 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; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef AT91SAM7_H
#define AT91SAM7_H
#include "flash.h"
#include "target.h"
typedef struct at91sam7_flash_bank_s
{
u32 working_area;
u32 working_area_size;
/* chip id register */
u32 cidr;
u16 cidr_ext;
u16 cidr_nvptyp;
u16 cidr_arch;
u16 cidr_sramsiz;
u16 cidr_nvpsiz;
u16 cidr_nvpsiz2;
u16 cidr_eproc;
u16 cidr_version;
char * target_name;
/* flash geometry */
u16 num_pages;
u16 pagesize;
u16 pages_in_lockregion;
u8 num_erase_regions;
u8 num_planes;
u32 *erase_region_info;
/* nv memory bits */
u16 num_lockbits;
u16 lockbits[4];
u16 num_nvmbits;
u16 nvmbits;
u8 securitybit;
u8 flashmode[4]; /* 0: not init, 1: fmcn for nvbits (1uS), 2: fmcn for flash (1.5uS) */
/* main clock status */
u8 mck_valid;
u32 mck_freq;
int probed;
} at91sam7_flash_bank_t;
/* AT91SAM7 control registers */
#define DBGU_CIDR 0xFFFFF240
#define CKGR_MCFR 0xFFFFFC24
#define CKGR_MCFR_MAINRDY 0x10000
#define CKGR_PLLR 0xFFFFFC2c
#define CKGR_PLLR_DIV 0xff
#define CKGR_PLLR_MUL 0x07ff0000
#define PMC_MCKR 0xFFFFFC30
#define PMC_MCKR_CSS 0x03
#define PMC_MCKR_PRES 0x1c
/* Flash Controller Commands */
#define WP 0x01
#define SLB 0x02
#define WPL 0x03
#define CLB 0x04
#define EA 0x08
#define SGPB 0x0B
#define CGPB 0x0D
#define SSB 0x0F
/* MC_FSR bit definitions */
#define MC_FSR_FRDY 1
#define MC_FSR_EOL 2
/* AT91SAM7 constants */
#define RC_FREQ 32000
/* FLASH_TIMING_MODES */
#define FMR_TIMING_NONE 0
#define FMR_TIMING_NVBITS 1
#define FMR_TIMING_FLASH 2
#endif /* AT91SAM7_H */
/***************************************************************************
* Copyright (C) 2006 by Magnus Lundin *
* lundin@mlu.mine.nu *
* *
* 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 of the License, 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; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef AT91SAM7_H
#define AT91SAM7_H
#include "flash.h"
#include "target.h"
typedef struct at91sam7_flash_bank_s
{
u32 working_area;
u32 working_area_size;
/* chip id register */
u32 cidr;
u16 cidr_ext;
u16 cidr_nvptyp;
u16 cidr_arch;
u16 cidr_sramsiz;
u16 cidr_nvpsiz;
u16 cidr_nvpsiz2;
u16 cidr_eproc;
u16 cidr_version;
char * target_name;
/* flash geometry */
u16 num_pages;
u16 pagesize;
u16 pages_in_lockregion;
u8 num_erase_regions;
u8 num_planes;
u32 *erase_region_info;
/* nv memory bits */
u16 num_lockbits;
u16 lockbits[4];
u16 num_nvmbits;
u16 nvmbits;
u8 securitybit;
u8 flashmode[4]; /* 0: not init, 1: fmcn for nvbits (1uS), 2: fmcn for flash (1.5uS) */
/* main clock status */
u8 mck_valid;
u32 mck_freq;
int probed;
} at91sam7_flash_bank_t;
/* AT91SAM7 control registers */
#define DBGU_CIDR 0xFFFFF240
#define CKGR_MCFR 0xFFFFFC24
#define CKGR_MCFR_MAINRDY 0x10000
#define CKGR_PLLR 0xFFFFFC2c
#define CKGR_PLLR_DIV 0xff
#define CKGR_PLLR_MUL 0x07ff0000
#define PMC_MCKR 0xFFFFFC30
#define PMC_MCKR_CSS 0x03
#define PMC_MCKR_PRES 0x1c
/* Flash Controller Commands */
#define WP 0x01
#define SLB 0x02
#define WPL 0x03
#define CLB 0x04
#define EA 0x08
#define SGPB 0x0B
#define CGPB 0x0D
#define SSB 0x0F
/* MC_FSR bit definitions */
#define MC_FSR_FRDY 1
#define MC_FSR_EOL 2
/* AT91SAM7 constants */
#define RC_FREQ 32000
/* FLASH_TIMING_MODES */
#define FMR_TIMING_NONE 0
#define FMR_TIMING_NVBITS 1
#define FMR_TIMING_FLASH 2
#endif /* AT91SAM7_H */
src/flash/cfi.c
View file @ 3d6bcf07
/***************************************************************************
* Copyright (C) 2005, 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* 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 of the License, 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; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "replacements.h"
#include "cfi.h"
#include "flash.h"
#include "target.h"
#include "log.h"
#include "armv4_5.h"
#include "algorithm.h"
#include "binarybuffer.h"
#include "types.h"
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int cfi_register_commands(struct command_context_s *cmd_ctx);
int cfi_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
int cfi_erase(struct flash_bank_s *bank, int first, int last);
int cfi_protect(struct flash_bank_s *bank, int set, int first, int last);
int cfi_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
int cfi_probe(struct flash_bank_s *bank);
int cfi_auto_probe(struct flash_bank_s *bank);
int cfi_erase_check(struct flash_bank_s *bank);
int cfi_protect_check(struct flash_bank_s *bank);
int cfi_info(struct flash_bank_s *bank, char *buf, int buf_size);
int cfi_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
#define CFI_MAX_BUS_WIDTH 4
#define CFI_MAX_CHIP_WIDTH 4
/* defines internal maximum size for code fragment in cfi_intel_write_block() */
#define CFI_MAX_INTEL_CODESIZE 256
flash_driver_t cfi_flash =
{
.name = "cfi",
.register_commands = cfi_register_commands,
.flash_bank_command = cfi_flash_bank_command,
.erase = cfi_erase,
.protect = cfi_protect,
.write = cfi_write,
.probe = cfi_probe,
.auto_probe = cfi_auto_probe,
.erase_check = cfi_erase_check,
.protect_check = cfi_protect_check,
.info = cfi_info
};
cfi_unlock_addresses_t cfi_unlock_addresses[] =
{
[CFI_UNLOCK_555_2AA] = { .unlock1 = 0x555, .unlock2 = 0x2aa },
[CFI_UNLOCK_5555_2AAA] = { .unlock1 = 0x5555, .unlock2 = 0x2aaa },
};
/* CFI fixups foward declarations */
void cfi_fixup_non_cfi(flash_bank_t *flash, void *param);
void cfi_fixup_0002_erase_regions(flash_bank_t *flash, void *param);
void cfi_fixup_0002_unlock_addresses(flash_bank_t *flash, void *param);
void cfi_fixup_atmel_reversed_erase_regions(flash_bank_t *flash, void *param);
/* fixup after identifying JEDEC manufactuer and ID */
cfi_fixup_t cfi_jedec_fixups[] = {
{CFI_MFR_SST, 0x00D4, cfi_fixup_non_cfi, NULL},
{CFI_MFR_SST, 0x00D5, cfi_fixup_non_cfi, NULL},
{CFI_MFR_SST, 0x00D6, cfi_fixup_non_cfi, NULL},
{CFI_MFR_SST, 0x00D7, cfi_fixup_non_cfi, NULL},
{CFI_MFR_SST, 0x2780, cfi_fixup_non_cfi, NULL},
{CFI_MFR_ST, 0x00D5, cfi_fixup_non_cfi, NULL},
{CFI_MFR_ST, 0x00D6, cfi_fixup_non_cfi, NULL},
{CFI_MFR_AMD, 0x2223, cfi_fixup_non_cfi, NULL},
{CFI_MFR_AMD, 0x22ab, cfi_fixup_non_cfi, NULL},
{0, 0, NULL, NULL}
};
/* fixup after reading cmdset 0002 primary query table */
cfi_fixup_t cfi_0002_fixups[] = {
{CFI_MFR_SST, 0x00D4, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_SST, 0x00D5, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_SST, 0x00D6, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_SST, 0x00D7, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_SST, 0x2780, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_ATMEL, 0x00C8, cfi_fixup_atmel_reversed_erase_regions, NULL},
{CFI_MFR_ANY, CFI_ID_ANY, cfi_fixup_0002_erase_regions, NULL},
{0, 0, NULL, NULL}
};
/* fixup after reading cmdset 0001 primary query table */
cfi_fixup_t cfi_0001_fixups[] = {
{0, 0, NULL, NULL}
};
void cfi_fixup(flash_bank_t *bank, cfi_fixup_t *fixups)
{
cfi_flash_bank_t *cfi_info = bank->driver_priv;
cfi_fixup_t *f;
for (f = fixups; f->fixup; f++)
{
if (((f->mfr == CFI_MFR_ANY) || (f->mfr == cfi_info->manufacturer)) &&
((f->id == CFI_ID_ANY) || (f->id == cfi_info->device_id)))
{
f->fixup(bank, f->param);
}
}
}
inline u32 flash_address(flash_bank_t *bank, int sector, u32 offset)
{
/* while the sector list isn't built, only accesses to sector 0 work */
if (sector == 0)
return bank->base + offset * bank->bus_width;
else
{
if (!bank->sectors)
{
ERROR("BUG: sector list not yet built");
exit(-1);
}
return bank->base + bank->sectors[sector].offset + offset * bank->bus_width;
}
}
void cfi_command(flash_bank_t *bank, u8 cmd, u8 *cmd_buf)
{
int i;
/* clear whole buffer, to ensure bits that exceed the bus_width
* are set to zero
*/
for (i = 0; i < CFI_MAX_BUS_WIDTH; i++)
cmd_buf[i] = 0;
if (bank->target->endianness == TARGET_LITTLE_ENDIAN)
{
for (i = bank->bus_width; i > 0; i--)
{
*cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;
}
}
else
{
for (i = 1; i <= bank->bus_width; i++)
{
*cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;
}
}
}
/* read unsigned 8-bit value from the bank
* flash banks are expected to be made of similar chips
* the query result should be the same for all
*/
u8 cfi_query_u8(flash_bank_t *bank, int sector, u32 offset)
{
target_t *target = bank->target;
u8 data[CFI_MAX_BUS_WIDTH];
target->type->read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 1, data);
if (bank->target->endianness == TARGET_LITTLE_ENDIAN)
return data[0];
else
return data[bank->bus_width - 1];
}
/* read unsigned 8-bit value from the bank
* in case of a bank made of multiple chips,
* the individual values are ORed
*/
u8 cfi_get_u8(flash_bank_t *bank, int sector, u32 offset)
{
target_t *target = bank->target;
u8 data[CFI_MAX_BUS_WIDTH];
int i;
target->type->read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 1, data);
if (bank->target->endianness == TARGET_LITTLE_ENDIAN)
{
for (i = 0; i < bank->bus_width / bank->chip_width; i++)
data[0] |= data[i];
return data[0];
}
else
{
u8 value = 0;
for (i = 0; i < bank->bus_width / bank->chip_width; i++)
value |= data[bank->bus_width - 1 - i];
return value;
}
}
u16 cfi_query_u16(flash_bank_t *bank, int sector, u32 offset)
{
target_t *target = bank->target;
u8 data[CFI_MAX_BUS_WIDTH * 2];
target->type->read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 2, data);
if (bank->target->endianness == TARGET_LITTLE_ENDIAN)
return data[0] | data[bank->bus_width] << 8;
else
return data[bank->bus_width - 1] | data[(2 * bank->bus_width) - 1] << 8;
}
u32 cfi_query_u32(flash_bank_t *bank, int sector, u32 offset)
{
target_t *target = bank->target;
u8 data[CFI_MAX_BUS_WIDTH * 4];
target->type->read_memory(target, flash_address(bank, sector, offset), bank->bus_width, 4, data);
if (bank->target->endianness == TARGET_LITTLE_ENDIAN)
return data[0] | data[bank->bus_width] << 8 | data[bank->bus_width * 2] << 16 | data[bank->bus_width * 3] << 24;
else
return data[bank->bus_width - 1] | data[(2* bank->bus_width) - 1] << 8 |
data[(3 * bank->bus_width) - 1] << 16 | data[(4 * bank->bus_width) - 1] << 24;
}
void cfi_intel_clear_status_register(flash_bank_t *bank)
{
target_t *target = bank->target;
u8 command[8];
if (target->state != TARGET_HALTED)
{
ERROR("BUG: attempted to clear status register while target wasn't halted");
exit(-1);
}
cfi_command(bank, 0x50, command);
target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command);
}
u8 cfi_intel_wait_status_busy(flash_bank_t *bank, int timeout)
{
u8 status;
while ((!((status = cfi_get_u8(bank, 0, 0x0)) & 0x80)) && (timeout-- > 0))
{
DEBUG("status: 0x%x", status);
usleep(1000);
}
/* mask out bit 0 (reserved) */
status = status & 0xfe;
DEBUG("status: 0x%x", status);
if ((status & 0x80) != 0x80)
{
ERROR("timeout while waiting for WSM to become ready");
}
else if (status != 0x80)
{
ERROR("status register: 0x%x", status);
if (status & 0x2)
ERROR("Block Lock-Bit Detected, Operation Abort");
if (status & 0x4)
ERROR("Program suspended");
if (status & 0x8)
ERROR("Low Programming Voltage Detected, Operation Aborted");
if (status & 0x10)
ERROR("Program Error / Error in Setting Lock-Bit");
if (status & 0x20)
ERROR("Error in Block Erasure or Clear Lock-Bits");
if (status & 0x40)
ERROR("Block Erase Suspended");
cfi_intel_clear_status_register(bank);
}
return status;
}
int cfi_spansion_wait_status_busy(flash_bank_t *bank, int timeout)
{
u8 status, oldstatus;
oldstatus = cfi_get_u8(bank, 0, 0x0);
do {
status = cfi_get_u8(bank, 0, 0x0);
if ((status ^ oldstatus) & 0x40) {
if (status & 0x20) {
oldstatus = cfi_get_u8(bank, 0, 0x0);
status = cfi_get_u8(bank, 0, 0x0);
if ((status ^ oldstatus) & 0x40) {
ERROR("dq5 timeout, status: 0x%x", status);
return(ERROR_FLASH_OPERATION_FAILED);
} else {
DEBUG("status: 0x%x", status);
return(ERROR_OK);
}
}
} else {
DEBUG("status: 0x%x", status);
return(ERROR_OK);
}
oldstatus = status;
usleep(1000);
} while (timeout-- > 0);
ERROR("timeout, status: 0x%x", status);
return(ERROR_FLASH_BUSY);
}
int cfi_read_intel_pri_ext(flash_bank_t *bank)
{
cfi_flash_bank_t *cfi_info = bank->driver_priv;
cfi_intel_pri_ext_t *pri_ext = malloc(sizeof(cfi_intel_pri_ext_t));
target_t *target = bank->target;
u8 command[8];
cfi_info->pri_ext = pri_ext;
pri_ext->pri[0] = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0);
pri_ext->pri[1] = cfi_query_u8(bank, 0, cfi_info->pri_addr + 1);
pri_ext->pri[2] = cfi_query_u8(bank, 0, cfi_info->pri_addr + 2);
if ((pri_ext->pri[0] != 'P') || (pri_ext->pri[1] != 'R') || (pri_ext->pri[2] != 'I'))
{
cfi_command(bank, 0xf0, command);
target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command);
cfi_command(bank, 0xff, command);
target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command);
return ERROR_FLASH_BANK_INVALID;
}
pri_ext->major_version = cfi_query_u8(bank, 0, cfi_info->pri_addr + 3);
pri_ext->minor_version = cfi_query_u8(bank, 0, cfi_info->pri_addr + 4);
DEBUG("pri: '%c%c%c', version: %c.%c", pri_ext->pri[0], pri_ext->pri[1], pri_ext->pri[2], pri_ext->major_version, pri_ext->minor_version);
pri_ext->feature_support = cfi_query_u32(bank, 0, cfi_info->pri_addr + 5);
pri_ext->suspend_cmd_support = cfi_query_u8(bank, 0, cfi_info->pri_addr + 9);
pri_ext->blk_status_reg_mask = cfi_query_u16(bank, 0, cfi_info->pri_addr + 0xa);
DEBUG("feature_support: 0x%x, suspend_cmd_support: 0x%x, blk_status_reg_mask: 0x%x", pri_ext->feature_support, pri_ext->suspend_cmd_support, pri_ext->blk_status_reg_mask);
pri_ext->vcc_optimal = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0xc);
pri_ext->vpp_optimal = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0xd);
DEBUG("Vcc opt: %1.1x.%1.1x, Vpp opt: %1.1x.%1.1x",
(pri_ext->vcc_optimal & 0xf0) >> 4, pri_ext->vcc_optimal & 0x0f,
(pri_ext->vpp_optimal & 0xf0) >> 4, pri_ext->vpp_optimal & 0x0f);
pri_ext->num_protection_fields = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0xe);
if (pri_ext->num_protection_fields != 1)
{
WARNING("expected one protection register field, but found %i", pri_ext->num_protection_fields);
}
pri_ext->prot_reg_addr = cfi_query_u16(bank, 0, cfi_info->pri_addr + 0xf);
pri_ext->fact_prot_reg_size = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0x11);
pri_ext->user_prot_reg_size = cfi_query_u8(bank, 0, cfi_info->pri_addr + 0x12);
DEBUG("protection_fields: %i, prot_reg_addr: 0x%x, factory pre-programmed: %i, user programmable: %i", pri_ext->num_protection_fields, pri_ext->prot_reg_addr, 1 << pri_ext->fact_prot_reg_size, 1 << pri_ext->user_prot_reg_size);
return ERROR_OK;
}
int cfi_read_spansion_pri_ext(flash_bank_t *bank)
{
cfi_flash_bank_t *cfi_info = bank->driver_priv;
cfi_spansion_pri_ext_t *pri_ext = malloc(sizeof(cfi_spansion_pri_ext_t));
target_t *target = bank->target;
u8 command[8];
cfi_info->pri_ext = pri_ext;