+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2006 by Magnus Lundin *
* lundin@mlu.mine.nu *
* *
* Copyright (C) 2008 by Gheorghe Guran (atlas) *
- * *
- * 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. *
****************************************************************************/
/***************************************************************************
#include "imp.h"
#include <helper/binarybuffer.h>
-
/* AT91SAM7 control registers */
-#define DBGU_CIDR 0xFFFFF240
-#define CKGR_MCFR 0xFFFFFC24
-#define CKGR_MOR 0xFFFFFC20
-#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
+#define DBGU_CIDR 0xFFFFF240
+#define CKGR_MCFR 0xFFFFFC24
+#define CKGR_MOR 0xFFFFFC20
+#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
+#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
+#define MC_FSR_FRDY 1
+#define MC_FSR_EOL 2
/* AT91SAM7 constants */
-#define RC_FREQ 32000
+#define RC_FREQ 32000
/* Flash timing modes */
-#define FMR_TIMING_NONE 0
-#define FMR_TIMING_NVBITS 1
-#define FMR_TIMING_FLASH 2
+#define FMR_TIMING_NONE 0
+#define FMR_TIMING_NVBITS 1
+#define FMR_TIMING_FLASH 2
/* Flash size constants */
-#define FLASH_SIZE_8KB 1
-#define FLASH_SIZE_16KB 2
-#define FLASH_SIZE_32KB 3
-#define FLASH_SIZE_64KB 5
-#define FLASH_SIZE_128KB 7
-#define FLASH_SIZE_256KB 9
-#define FLASH_SIZE_512KB 10
-#define FLASH_SIZE_1024KB 12
-#define FLASH_SIZE_2048KB 14
-
+#define FLASH_SIZE_8KB 1
+#define FLASH_SIZE_16KB 2
+#define FLASH_SIZE_32KB 3
+#define FLASH_SIZE_64KB 5
+#define FLASH_SIZE_128KB 7
+#define FLASH_SIZE_256KB 9
+#define FLASH_SIZE_512KB 10
+#define FLASH_SIZE_1024KB 12
+#define FLASH_SIZE_2048KB 14
static int at91sam7_protect_check(struct flash_bank *bank);
-static int at91sam7_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count);
+static int at91sam7_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset,
+ uint32_t count);
static uint32_t at91sam7_get_flash_status(struct target *target, int bank_number);
static void at91sam7_set_flash_mode(struct flash_bank *bank, int mode);
static uint32_t at91sam7_wait_status_busy(struct flash_bank *bank, uint32_t waitbits, int timeout);
static int at91sam7_flash_command(struct flash_bank *bank, uint8_t cmd, uint16_t pagen);
-static uint32_t MC_FMR[4] = { 0xFFFFFF60, 0xFFFFFF70, 0xFFFFFF80, 0xFFFFFF90 };
-static uint32_t MC_FCR[4] = { 0xFFFFFF64, 0xFFFFFF74, 0xFFFFFF84, 0xFFFFFF94 };
-static uint32_t MC_FSR[4] = { 0xFFFFFF68, 0xFFFFFF78, 0xFFFFFF88, 0xFFFFFF98 };
+static const uint32_t mc_fmr[4] = { 0xFFFFFF60, 0xFFFFFF70, 0xFFFFFF80, 0xFFFFFF90 };
+static const uint32_t mc_fcr[4] = { 0xFFFFFF64, 0xFFFFFF74, 0xFFFFFF84, 0xFFFFFF94 };
+static const uint32_t mc_fsr[4] = { 0xFFFFFF68, 0xFFFFFF78, 0xFFFFFF88, 0xFFFFFF98 };
-static char * EPROC[8]= {"Unknown","ARM946-E","ARM7TDMI","Unknown","ARM920T","ARM926EJ-S","Unknown","Unknown"};
+static const char *eproc[8] = {
+ "Unknown", "ARM946-E", "ARM7TDMI", "Unknown", "ARM920T", "ARM926EJ-S", "Unknown", "Unknown"
+};
-struct at91sam7_flash_bank
-{
+struct at91sam7_flash_bank {
/* chip id register */
uint32_t cidr;
uint16_t cidr_ext;
const char *target_name;
/* flash auto-detection */
- uint8_t flash_autodetection;
+ uint8_t flash_autodetection;
/* flash geometry */
uint16_t pages_per_sector;
uint16_t num_nvmbits;
uint16_t num_nvmbits_on;
uint16_t nvmbits;
- uint8_t securitybit;
+ uint8_t securitybit;
/* 0: not init
* 1: fmcn for nvbits (1uS)
* 2: fmcn for flash (1.5uS) */
- uint8_t flashmode;
+ uint8_t flashmode;
/* main clock status */
- uint8_t mck_valid;
+ uint8_t mck_valid;
uint32_t mck_freq;
/* external clock frequency */
};
#endif
-
static uint32_t at91sam7_get_flash_status(struct target *target, int bank_number)
{
uint32_t fsr;
- target_read_u32(target, MC_FSR[bank_number], &fsr);
+ target_read_u32(target, mc_fsr[bank_number], &fsr);
return fsr;
}
at91sam7_info->mck_valid = 0;
at91sam7_info->mck_freq = 0;
- switch (mckr & PMC_MCKR_CSS)
- {
+ switch (mckr & PMC_MCKR_CSS) {
case 0: /* Slow Clock */
at91sam7_info->mck_valid = 1;
tmp = RC_FREQ;
case 1: /* Main Clock */
if ((mcfr & CKGR_MCFR_MAINRDY) &&
- (at91sam7_info->ext_freq == 0))
- {
+ (at91sam7_info->ext_freq == 0)) {
at91sam7_info->mck_valid = 1;
tmp = RC_FREQ / 16ul * (mcfr & 0xffff);
- }
- else if (at91sam7_info->ext_freq != 0)
- {
+ } else if (at91sam7_info->ext_freq != 0) {
at91sam7_info->mck_valid = 1;
tmp = at91sam7_info->ext_freq;
}
case 3: /* PLL Clock */
if ((mcfr & CKGR_MCFR_MAINRDY) &&
- (at91sam7_info->ext_freq == 0))
- {
+ (at91sam7_info->ext_freq == 0)) {
target_read_u32(target, CKGR_PLLR, &pllr);
if (!(pllr & CKGR_PLLR_DIV))
- break; /* 0 Hz */
+ break; /* 0 Hz */
at91sam7_info->mck_valid = 1;
mainfreq = RC_FREQ / 16ul * (mcfr & 0xffff);
/* Integer arithmetic should have sufficient precision
* as long as PLL is properly configured. */
tmp = mainfreq / (pllr & CKGR_PLLR_DIV)*
- (((pllr & CKGR_PLLR_MUL) >> 16) + 1);
- }
- else if ((at91sam7_info->ext_freq != 0) &&
- ((pllr&CKGR_PLLR_DIV) != 0))
- {
+ (((pllr & CKGR_PLLR_MUL) >> 16) + 1);
+ } else if ((at91sam7_info->ext_freq != 0) &&
+ ((pllr&CKGR_PLLR_DIV) != 0)) {
at91sam7_info->mck_valid = 1;
tmp = at91sam7_info->ext_freq / (pllr&CKGR_PLLR_DIV)*
- (((pllr & CKGR_PLLR_MUL) >> 16) + 1);
+ (((pllr & CKGR_PLLR_MUL) >> 16) + 1);
}
break;
}
/* Prescaler adjust */
- if ((((mckr & PMC_MCKR_PRES) >> 2) == 7) || (tmp == 0))
- {
+ if ((((mckr & PMC_MCKR_PRES) >> 2) == 7) || (tmp == 0)) {
at91sam7_info->mck_valid = 0;
at91sam7_info->mck_freq = 0;
- }
- else if (((mckr & PMC_MCKR_PRES) >> 2) != 0)
+ } else if (((mckr & PMC_MCKR_PRES) >> 2) != 0)
at91sam7_info->mck_freq = tmp >> ((mckr & PMC_MCKR_PRES) >> 2);
else
at91sam7_info->mck_freq = tmp;
}
-/* Setup the timimg registers for nvbits or normal flash */
+/* Setup the timing registers for nvbits or normal flash */
static void at91sam7_set_flash_mode(struct flash_bank *bank, int mode)
{
uint32_t fmr, fmcn = 0, fws = 0;
struct at91sam7_flash_bank *at91sam7_info = bank->driver_priv;
struct target *target = bank->target;
- if (mode && (mode != at91sam7_info->flashmode))
- {
+ if (mode && (mode != at91sam7_info->flashmode)) {
/* Always round up (ceil) */
- if (mode == FMR_TIMING_NVBITS)
- {
- if (at91sam7_info->cidr_arch == 0x60)
- {
+ if (mode == FMR_TIMING_NVBITS) {
+ if (at91sam7_info->cidr_arch == 0x60) {
/* AT91SAM7A3 uses master clocks in 100 ns */
fmcn = (at91sam7_info->mck_freq/10000000ul) + 1;
- }
- else
- {
+ } else {
/* master clocks in 1uS for ARCH 0x7 types */
fmcn = (at91sam7_info->mck_freq/1000000ul) + 1;
}
- }
- else if (mode == FMR_TIMING_FLASH)
- {
+ } else if (mode == FMR_TIMING_FLASH) {
/* main clocks in 1.5uS */
fmcn = (at91sam7_info->mck_freq/1000000ul)+
(at91sam7_info->mck_freq/2000000ul) + 1;
LOG_DEBUG("fmcn[%i]: %i", bank->bank_number, (int)(fmcn));
fmr = fmcn << 16 | fws << 8;
- target_write_u32(target, MC_FMR[bank->bank_number], fmr);
+ target_write_u32(target, mc_fmr[bank->bank_number], fmr);
}
at91sam7_info->flashmode = mode;
{
uint32_t status;
- while ((!((status = at91sam7_get_flash_status(bank->target, bank->bank_number)) & waitbits)) && (timeout-- > 0))
- {
+ while ((!((status = at91sam7_get_flash_status(bank->target,
+ bank->bank_number)) & waitbits)) && (timeout-- > 0)) {
LOG_DEBUG("status[%i]: 0x%" PRIx32 "", (int)bank->bank_number, status);
alive_sleep(1);
}
LOG_DEBUG("status[%i]: 0x%" PRIx32 "", bank->bank_number, status);
- if (status & 0x0C)
- {
+ if (status & 0x0C) {
LOG_ERROR("status register: 0x%" PRIx32 "", status);
if (status & 0x4)
LOG_ERROR("Lock Error Bit Detected, Operation Abort");
struct target *target = bank->target;
fcr = (0x5A << 24) | ((pagen&0x3FF) << 8) | cmd;
- target_write_u32(target, MC_FCR[bank->bank_number], fcr);
- LOG_DEBUG("Flash command: 0x%" PRIx32 ", flash bank: %i, page number: %u", fcr, bank->bank_number + 1, pagen);
+ target_write_u32(target, mc_fcr[bank->bank_number], fcr);
+ LOG_DEBUG("Flash command: 0x%" PRIx32 ", flash bank: %i, page number: %u",
+ fcr,
+ bank->bank_number + 1,
+ pagen);
- if ((at91sam7_info->cidr_arch == 0x60) && ((cmd == SLB) | (cmd == CLB)))
- {
+ if ((at91sam7_info->cidr_arch == 0x60) && ((cmd == SLB) | (cmd == CLB))) {
/* Lock bit manipulation on AT91SAM7A3 waits for FC_FSR bit 1, EOL */
if (at91sam7_wait_status_busy(bank, MC_FSR_EOL, 10)&0x0C)
- {
return ERROR_FLASH_OPERATION_FAILED;
- }
return ERROR_OK;
}
if (at91sam7_wait_status_busy(bank, MC_FSR_FRDY, 10)&0x0C)
- {
return ERROR_FLASH_OPERATION_FAILED;
- }
return ERROR_OK;
}
/* Read device id register, main clock frequency register and fill in driver info structure */
static int at91sam7_read_part_info(struct flash_bank *bank)
{
- struct flash_bank *t_bank = bank;
struct at91sam7_flash_bank *at91sam7_info;
- struct target *target = t_bank->target;
+ struct target *target = bank->target;
uint16_t bnk, sec;
uint16_t arch;
uint32_t base_address = 0;
char *target_name_t = "Unknown";
- at91sam7_info = t_bank->driver_priv;
+ at91sam7_info = bank->driver_priv;
- if (at91sam7_info->cidr != 0)
- {
+ if (at91sam7_info->cidr != 0) {
/* flash already configured, update clock and check for protected sectors */
- struct flash_bank *fb = bank;
- t_bank = fb;
-
- while (t_bank)
- {
+ for (struct flash_bank *t_bank = bank; t_bank; t_bank = t_bank->next) {
+ if (t_bank->target != target)
+ continue;
/* re-calculate master clock frequency */
at91sam7_read_clock_info(t_bank);
- /* no timming */
+ /* no timing */
at91sam7_set_flash_mode(t_bank, FMR_TIMING_NONE);
/* check protect state */
at91sam7_protect_check(t_bank);
-
- t_bank = fb->next;
- fb = t_bank;
}
return ERROR_OK;
/* Read and parse chip identification register */
target_read_u32(target, DBGU_CIDR, &cidr);
- if (cidr == 0)
- {
+ if (cidr == 0) {
LOG_WARNING("Cannot identify target as an AT91SAM");
return ERROR_FLASH_OPERATION_FAILED;
}
- if (at91sam7_info->flash_autodetection == 0)
- {
+ if (at91sam7_info->flash_autodetection == 0) {
/* banks and sectors are already created, based on data from input file */
- struct flash_bank *fb = bank;
- t_bank = fb;
- while (t_bank)
- {
+ for (struct flash_bank *t_bank = bank; t_bank; t_bank = t_bank->next) {
+ if (t_bank->target != target)
+ continue;
+
at91sam7_info = t_bank->driver_priv;
at91sam7_info->cidr = cidr;
/* calculate master clock frequency */
at91sam7_read_clock_info(t_bank);
- /* no timming */
+ /* no timing */
at91sam7_set_flash_mode(t_bank, FMR_TIMING_NONE);
/* check protect state */
at91sam7_protect_check(t_bank);
-
- t_bank = fb->next;
- fb = t_bank;
}
return ERROR_OK;
arch = (cidr >> 20)&0x00FF;
/* check flash size */
- switch ((cidr >> 8)&0x000F)
- {
+ switch ((cidr >> 8)&0x000F) {
case FLASH_SIZE_8KB:
break;
pages_per_sector = 32;
page_size = 64;
base_address = 0x00100000;
- if (arch == 0x70)
- {
+ if (arch == 0x70) {
num_nvmbits = 2;
target_name_t = "AT91SAM7S161/16";
}
pages_per_sector = 32;
page_size = 128;
base_address = 0x00100000;
- if (arch == 0x70)
- {
+ if (arch == 0x70) {
num_nvmbits = 2;
target_name_t = "AT91SAM7S321/32";
}
- if (arch == 0x72)
- {
+ if (arch == 0x72) {
num_nvmbits = 3;
target_name_t = "AT91SAM7SE32";
}
pages_per_sector = 32;
page_size = 128;
base_address = 0x00100000;
- if (arch == 0x70)
- {
+ if (arch == 0x70) {
num_nvmbits = 2;
target_name_t = "AT91SAM7S64";
}
pages_per_sector = 64;
page_size = 256;
base_address = 0x00100000;
- if (arch == 0x70)
- {
+ if (arch == 0x70) {
num_nvmbits = 2;
target_name_t = "AT91SAM7S128";
}
- if (arch == 0x71)
- {
+ if (arch == 0x71) {
num_nvmbits = 3;
target_name_t = "AT91SAM7XC128";
}
- if (arch == 0x72)
- {
+ if (arch == 0x72) {
num_nvmbits = 3;
target_name_t = "AT91SAM7SE128";
}
- if (arch == 0x75)
- {
+ if (arch == 0x75) {
num_nvmbits = 3;
target_name_t = "AT91SAM7X128";
}
pages_per_sector = 64;
page_size = 256;
base_address = 0x00100000;
- if (arch == 0x60)
- {
+ if (arch == 0x60) {
num_nvmbits = 3;
target_name_t = "AT91SAM7A3";
}
- if (arch == 0x70)
- {
+ if (arch == 0x70) {
num_nvmbits = 2;
target_name_t = "AT91SAM7S256";
}
- if (arch == 0x71)
- {
+ if (arch == 0x71) {
num_nvmbits = 3;
target_name_t = "AT91SAM7XC256";
}
- if (arch == 0x72)
- {
+ if (arch == 0x72) {
num_nvmbits = 3;
target_name_t = "AT91SAM7SE256";
}
- if (arch == 0x75)
- {
+ if (arch == 0x75) {
num_nvmbits = 3;
target_name_t = "AT91SAM7X256";
}
pages_per_sector = 64;
page_size = 256;
base_address = 0x00100000;
- if (arch == 0x70)
- {
+ if (arch == 0x70) {
num_nvmbits = 2;
target_name_t = "AT91SAM7S512";
}
- if (arch == 0x71)
- {
+ if (arch == 0x71) {
num_nvmbits = 3;
target_name_t = "AT91SAM7XC512";
}
- if (arch == 0x72)
- {
+ if (arch == 0x72) {
num_nvmbits = 3;
target_name_t = "AT91SAM7SE512";
}
- if (arch == 0x75)
- {
+ if (arch == 0x75) {
num_nvmbits = 3;
target_name_t = "AT91SAM7X512";
}
break;
}
- if (strcmp(target_name_t, "Unknown") == 0)
- {
- LOG_ERROR("Target autodetection failed! Please specify target parameters in configuration file");
+ if (strcmp(target_name_t, "Unknown") == 0) {
+ LOG_ERROR(
+ "Target autodetection failed! Please specify target parameters in configuration file");
return ERROR_FLASH_OPERATION_FAILED;
}
/* calculate bank size */
bank_size = sectors_num * pages_per_sector * page_size;
- for (bnk = 0; bnk < banks_num; bnk++)
- {
- if (bnk > 0)
- {
- /* create a new flash bank element */
- struct flash_bank *fb = malloc(sizeof(struct flash_bank));
- fb->target = target;
- fb->driver = bank->driver;
- fb->driver_priv = malloc(sizeof(struct at91sam7_flash_bank));
- fb->next = NULL;
-
- /* link created bank in 'flash_banks' list and redirect t_bank */
- t_bank->next = fb;
- t_bank = fb;
+ for (bnk = 0; bnk < banks_num; bnk++) {
+ struct flash_bank *t_bank = bank;
+ if (bnk > 0) {
+ if (!t_bank->next) {
+ /* create a new flash bank element */
+ struct flash_bank *fb = malloc(sizeof(struct flash_bank));
+ fb->target = target;
+ fb->driver = bank->driver;
+ fb->driver_priv = malloc(sizeof(struct at91sam7_flash_bank));
+ fb->name = "sam7_probed";
+ fb->next = NULL;
+
+ /* link created bank in 'flash_banks' list */
+ t_bank->next = fb;
+ }
+ t_bank = t_bank->next;
}
t_bank->bank_number = bnk;
t_bank->base = base_address + bnk * bank_size;
t_bank->size = bank_size;
- t_bank->chip_width = 0;
- t_bank->bus_width = 4;
t_bank->num_sectors = sectors_num;
/* allocate sectors */
t_bank->sectors = malloc(sectors_num * sizeof(struct flash_sector));
- for (sec = 0; sec < sectors_num; sec++)
- {
+ for (sec = 0; sec < sectors_num; sec++) {
t_bank->sectors[sec].offset = sec * pages_per_sector * page_size;
t_bank->sectors[sec].size = pages_per_sector * page_size;
t_bank->sectors[sec].is_erased = -1;
/* calculate master clock frequency */
at91sam7_read_clock_info(t_bank);
- /* no timming */
+ /* no timing */
at91sam7_set_flash_mode(t_bank, FMR_TIMING_NONE);
/* check protect state */
at91sam7_protect_check(t_bank);
}
- LOG_DEBUG("nvptyp: 0x%3.3x, arch: 0x%4.4x", at91sam7_info->cidr_nvptyp, at91sam7_info->cidr_arch);
+ LOG_DEBUG("nvptyp: 0x%3.3x, arch: 0x%4.4x",
+ at91sam7_info->cidr_nvptyp,
+ at91sam7_info->cidr_arch);
return ERROR_OK;
}
static int at91sam7_erase_check(struct flash_bank *bank)
{
- struct target *target = bank->target;
- uint16_t retval;
- uint32_t blank;
- uint16_t fast_check;
- uint8_t *buffer;
- uint16_t nSector;
- uint16_t nByte;
-
- if (bank->target->state != TARGET_HALTED)
- {
+ if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
at91sam7_read_clock_info(bank);
at91sam7_set_flash_mode(bank, FMR_TIMING_FLASH);
- fast_check = 1;
- for (nSector = 0; nSector < bank->num_sectors; nSector++)
- {
- retval = target_blank_check_memory(target, bank->base + bank->sectors[nSector].offset,
- bank->sectors[nSector].size, &blank);
- if (retval != ERROR_OK)
- {
- fast_check = 0;
- break;
- }
- if (blank == 0xFF)
- bank->sectors[nSector].is_erased = 1;
- else
- bank->sectors[nSector].is_erased = 0;
- }
-
- if (fast_check)
- {
- return ERROR_OK;
- }
-
- LOG_USER("Running slow fallback erase check - add working memory");
-
- buffer = malloc(bank->sectors[0].size);
- for (nSector = 0; nSector < bank->num_sectors; nSector++)
- {
- bank->sectors[nSector].is_erased = 1;
- retval = target_read_memory(target, bank->base + bank->sectors[nSector].offset, 4,
- bank->sectors[nSector].size/4, buffer);
- if (retval != ERROR_OK)
- return retval;
-
- for (nByte = 0; nByte < bank->sectors[nSector].size; nByte++)
- {
- if (buffer[nByte] != 0xFF)
- {
- bank->sectors[nSector].is_erased = 0;
- break;
- }
- }
- }
- free(buffer);
-
- return ERROR_OK;
+ return default_flash_blank_check(bank);
}
static int at91sam7_protect_check(struct flash_bank *bank)
struct at91sam7_flash_bank *at91sam7_info = bank->driver_priv;
if (at91sam7_info->cidr == 0)
- {
return ERROR_FLASH_BANK_NOT_PROBED;
- }
- if (bank->target->state != TARGET_HALTED)
- {
+ if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
at91sam7_info->lockbits = (status >> 16);
at91sam7_info->num_lockbits_on = 0;
- for (lock_pos = 0; lock_pos < bank->num_sectors; lock_pos++)
- {
- if (((status >> (16 + lock_pos))&(0x0001)) == 1)
- {
+ for (lock_pos = 0; lock_pos < bank->num_sectors; lock_pos++) {
+ if (((status >> (16 + lock_pos))&(0x0001)) == 1) {
at91sam7_info->num_lockbits_on++;
bank->sectors[lock_pos].is_protected = 1;
- }
- else
+ } else
bank->sectors[lock_pos].is_protected = 0;
}
at91sam7_info->nvmbits = (status >> 8)&0xFF;
at91sam7_info->num_nvmbits_on = 0;
- for (gpnvm_pos = 0; gpnvm_pos < at91sam7_info->num_nvmbits; gpnvm_pos++)
- {
+ for (gpnvm_pos = 0; gpnvm_pos < at91sam7_info->num_nvmbits; gpnvm_pos++) {
if (((status >> (8 + gpnvm_pos))&(0x01)) == 1)
- {
at91sam7_info->num_nvmbits_on++;
- }
}
return ERROR_OK;
uint32_t bank_size;
uint32_t ext_freq = 0;
- int chip_width;
- int bus_width;
- int banks_num;
- int num_sectors;
+ unsigned int banks_num;
+ unsigned int num_sectors;
uint16_t pages_per_sector;
uint16_t page_size;
uint16_t num_nvmbits;
- char *target_name_t;
-
- int bnk, sec;
-
at91sam7_info = malloc(sizeof(struct at91sam7_flash_bank));
t_bank->driver_priv = at91sam7_info;
at91sam7_info->ext_freq = 0;
at91sam7_info->flash_autodetection = 0;
- if (CMD_ARGC < 13)
- {
+ if (CMD_ARGC < 13) {
at91sam7_info->flash_autodetection = 1;
return ERROR_OK;
}
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], base_address);
- COMMAND_PARSE_NUMBER(int, CMD_ARGV[3], chip_width);
- COMMAND_PARSE_NUMBER(int, CMD_ARGV[4], bus_width);
-
- COMMAND_PARSE_NUMBER(int, CMD_ARGV[8], banks_num);
- COMMAND_PARSE_NUMBER(int, CMD_ARGV[9], num_sectors);
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[8], banks_num);
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[9], num_sectors);
COMMAND_PARSE_NUMBER(u16, CMD_ARGV[10], pages_per_sector);
COMMAND_PARSE_NUMBER(u16, CMD_ARGV[11], page_size);
COMMAND_PARSE_NUMBER(u16, CMD_ARGV[12], num_nvmbits);
at91sam7_info->ext_freq = ext_freq;
}
- if ((bus_width == 0) || (banks_num == 0) || (num_sectors == 0) ||
- (pages_per_sector == 0) || (page_size == 0) || (num_nvmbits == 0))
- {
+ if ((banks_num == 0) || (num_sectors == 0) ||
+ (pages_per_sector == 0) || (page_size == 0) || (num_nvmbits == 0)) {
at91sam7_info->flash_autodetection = 1;
return ERROR_OK;
}
- target_name_t = calloc(strlen(CMD_ARGV[7]) + 1, sizeof(char));
- strcpy(target_name_t, CMD_ARGV[7]);
-
/* calculate bank size */
bank_size = num_sectors * pages_per_sector * page_size;
- for (bnk = 0; bnk < banks_num; bnk++)
- {
- if (bnk > 0)
- {
- /* create a new bank element */
- struct flash_bank *fb = malloc(sizeof(struct flash_bank));
- fb->target = target;
- fb->driver = bank->driver;
- fb->driver_priv = malloc(sizeof(struct at91sam7_flash_bank));
- fb->next = NULL;
-
- /* link created bank in 'flash_banks' list and redirect t_bank */
- t_bank->next = fb;
- t_bank = fb;
+ for (unsigned int bnk = 0; bnk < banks_num; bnk++) {
+ if (bnk > 0) {
+ if (!t_bank->next) {
+ /* create a new bank element */
+ struct flash_bank *fb = malloc(sizeof(struct flash_bank));
+ fb->target = target;
+ fb->driver = bank->driver;
+ fb->driver_priv = malloc(sizeof(struct at91sam7_flash_bank));
+ fb->name = "sam7_probed";
+ fb->next = NULL;
+
+ /* link created bank in 'flash_banks' list */
+ t_bank->next = fb;
+ }
+ t_bank = t_bank->next;
}
t_bank->bank_number = bnk;
t_bank->base = base_address + bnk * bank_size;
t_bank->size = bank_size;
- t_bank->chip_width = chip_width;
- t_bank->bus_width = bus_width;
t_bank->num_sectors = num_sectors;
/* allocate sectors */
t_bank->sectors = malloc(num_sectors * sizeof(struct flash_sector));
- for (sec = 0; sec < num_sectors; sec++)
- {
+ for (unsigned int sec = 0; sec < num_sectors; sec++) {
t_bank->sectors[sec].offset = sec * pages_per_sector * page_size;
t_bank->sectors[sec].size = pages_per_sector * page_size;
t_bank->sectors[sec].is_erased = -1;
at91sam7_info = t_bank->driver_priv;
- at91sam7_info->target_name = target_name_t;
+ at91sam7_info->target_name = strdup(CMD_ARGV[7]);
at91sam7_info->flashmode = 0;
at91sam7_info->ext_freq = ext_freq;
at91sam7_info->num_nvmbits = num_nvmbits;
return ERROR_OK;
}
-static int at91sam7_erase(struct flash_bank *bank, int first, int last)
+static int at91sam7_erase(struct flash_bank *bank, unsigned int first,
+ unsigned int last)
{
struct at91sam7_flash_bank *at91sam7_info = bank->driver_priv;
- int sec;
uint32_t nbytes, pos;
uint8_t *buffer;
uint8_t erase_all;
if (at91sam7_info->cidr == 0)
- {
return ERROR_FLASH_BANK_NOT_PROBED;
- }
- if (bank->target->state != TARGET_HALTED)
- {
+ if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
- if ((first < 0) || (last < first) || (last >= bank->num_sectors))
- {
+ if ((last < first) || (last >= bank->num_sectors))
return ERROR_FLASH_SECTOR_INVALID;
- }
erase_all = 0;
if ((first == 0) && (last == (bank->num_sectors-1)))
- {
erase_all = 1;
- }
/* Configure the flash controller timing */
at91sam7_read_clock_info(bank);
at91sam7_set_flash_mode(bank, FMR_TIMING_FLASH);
- if (erase_all)
- {
+ if (erase_all) {
if (at91sam7_flash_command(bank, EA, 0) != ERROR_OK)
- {
return ERROR_FLASH_OPERATION_FAILED;
- }
- }
- else
- {
+ } else {
/* allocate and clean buffer */
nbytes = (last - first + 1) * bank->sectors[first].size;
buffer = malloc(nbytes * sizeof(uint8_t));
for (pos = 0; pos < nbytes; pos++)
- {
buffer[pos] = 0xFF;
- }
- if (at91sam7_write(bank, buffer, bank->sectors[first].offset, nbytes) != ERROR_OK)
- {
+ if (at91sam7_write(bank, buffer, bank->sectors[first].offset, nbytes) != ERROR_OK) {
+ free(buffer);
return ERROR_FLASH_OPERATION_FAILED;
}
}
/* mark erased sectors */
- for (sec = first; sec <= last; sec++)
- {
+ for (unsigned int sec = first; sec <= last; sec++)
bank->sectors[sec].is_erased = 1;
- }
return ERROR_OK;
}
-static int at91sam7_protect(struct flash_bank *bank, int set, int first, int last)
+static int at91sam7_protect(struct flash_bank *bank, int set,
+ unsigned int first, unsigned int last)
{
uint32_t cmd;
- int sector;
uint32_t pagen;
struct at91sam7_flash_bank *at91sam7_info = bank->driver_priv;
if (at91sam7_info->cidr == 0)
- {
return ERROR_FLASH_BANK_NOT_PROBED;
- }
- if (bank->target->state != TARGET_HALTED)
- {
+ if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
- if ((first < 0) || (last < first) || (last >= bank->num_sectors))
- {
+ if ((last < first) || (last >= bank->num_sectors))
return ERROR_FLASH_SECTOR_INVALID;
- }
/* Configure the flash controller timing */
at91sam7_read_clock_info(bank);
at91sam7_set_flash_mode(bank, FMR_TIMING_NVBITS);
- for (sector = first; sector <= last; sector++)
- {
+ for (unsigned int sector = first; sector <= last; sector++) {
if (set)
cmd = SLB;
else
pagen = sector * at91sam7_info->pages_per_sector;
if (at91sam7_flash_command(bank, cmd, pagen) != ERROR_OK)
- {
return ERROR_FLASH_OPERATION_FAILED;
- }
}
at91sam7_protect_check(bank);
return ERROR_OK;
}
-static int at91sam7_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
+static int at91sam7_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
{
int retval;
struct at91sam7_flash_bank *at91sam7_info = bank->driver_priv;
uint32_t first_page, last_page, pagen, buffer_pos;
if (at91sam7_info->cidr == 0)
- {
return ERROR_FLASH_BANK_NOT_PROBED;
- }
- if (bank->target->state != TARGET_HALTED)
- {
+ if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
dst_min_alignment = at91sam7_info->pagesize;
- if (offset % dst_min_alignment)
- {
- LOG_WARNING("offset 0x%" PRIx32 " breaks required alignment 0x%" PRIx32 "", offset, dst_min_alignment);
+ if (offset % dst_min_alignment) {
+ LOG_WARNING("offset 0x%" PRIx32 " breaks required alignment 0x%" PRIx32 "",
+ offset,
+ dst_min_alignment);
return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
}
first_page = offset/dst_min_alignment;
last_page = DIV_ROUND_UP(offset + count, dst_min_alignment);
- LOG_DEBUG("first_page: %i, last_page: %i, count %i", (int)first_page, (int)last_page, (int)count);
+ LOG_DEBUG("first_page: %i, last_page: %i, count %i",
+ (int)first_page,
+ (int)last_page,
+ (int)count);
/* Configure the flash controller timing */
at91sam7_read_clock_info(bank);
at91sam7_set_flash_mode(bank, FMR_TIMING_FLASH);
- for (pagen = first_page; pagen < last_page; pagen++)
- {
+ for (pagen = first_page; pagen < last_page; pagen++) {
if (bytes_remaining < dst_min_alignment)
count = bytes_remaining;
else
/* Write one block to the PageWriteBuffer */
buffer_pos = (pagen-first_page)*dst_min_alignment;
- wcount = DIV_ROUND_UP(count,4);
- if ((retval = target_write_memory(target, bank->base + pagen*dst_min_alignment, 4, wcount, buffer + buffer_pos)) != ERROR_OK)
- {
+ wcount = DIV_ROUND_UP(count, 4);
+ retval = target_write_memory(target, bank->base + pagen*dst_min_alignment, 4,
+ wcount, buffer + buffer_pos);
+ if (retval != ERROR_OK)
return retval;
- }
/* Send Write Page command to Flash Controller */
if (at91sam7_flash_command(bank, WP, pagen) != ERROR_OK)
- {
return ERROR_FLASH_OPERATION_FAILED;
- }
- LOG_DEBUG("Write flash bank:%i page number:%" PRIi32 "", bank->bank_number, pagen);
+ LOG_DEBUG("Write flash bank:%u page number:%" PRIu32, bank->bank_number, pagen);
}
return ERROR_OK;
* if this is an at91sam7, it has the configured flash */
int retval;
- if (bank->target->state != TARGET_HALTED)
- {
+ if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
return ERROR_OK;
}
-static int get_at91sam7_info(struct flash_bank *bank, char *buf, int buf_size)
+static int get_at91sam7_info(struct flash_bank *bank, struct command_invocation *cmd)
{
- int printed;
struct at91sam7_flash_bank *at91sam7_info = bank->driver_priv;
if (at91sam7_info->cidr == 0)
- {
return ERROR_FLASH_BANK_NOT_PROBED;
- }
-
- printed = snprintf(buf, buf_size,
- "\n at91sam7 driver information: Chip is %s\n",
- at91sam7_info->target_name);
-
- buf += printed;
- buf_size -= printed;
-
- printed = snprintf(buf,
- buf_size,
- " Cidr: 0x%8.8" PRIx32 " | Arch: 0x%4.4x | Eproc: %s | Version: 0x%3.3x | Flashsize: 0x%8.8" PRIx32 "\n",
- at91sam7_info->cidr,
- at91sam7_info->cidr_arch,
- EPROC[at91sam7_info->cidr_eproc],
- at91sam7_info->cidr_version,
- bank->size);
- buf += printed;
- buf_size -= printed;
-
- printed = snprintf(buf, buf_size,
- " Master clock (estimated): %u KHz | External clock: %u KHz\n",
- (unsigned)(at91sam7_info->mck_freq / 1000), (unsigned)(at91sam7_info->ext_freq / 1000));
-
- buf += printed;
- buf_size -= printed;
-
- printed = snprintf(buf, buf_size,
- " Pagesize: %i bytes | Lockbits(%i): %i 0x%4.4x | Pages in lock region: %i \n",
- at91sam7_info->pagesize, bank->num_sectors, at91sam7_info->num_lockbits_on,
- at91sam7_info->lockbits, at91sam7_info->pages_per_sector*at91sam7_info->num_lockbits_on);
-
- buf += printed;
- buf_size -= printed;
-
- printed = snprintf(buf, buf_size,
- " Securitybit: %i | Nvmbits(%i): %i 0x%1.1x\n",
+ command_print_sameline(cmd, "\n at91sam7 driver information: Chip is %s\n",
+ at91sam7_info->target_name);
+
+ command_print_sameline(cmd,
+ " Cidr: 0x%8.8" PRIx32 " | Arch: 0x%4.4x | Eproc: %s | Version: 0x%3.3x | "
+ "Flashsize: 0x%8.8" PRIx32 "\n",
+ at91sam7_info->cidr,
+ at91sam7_info->cidr_arch,
+ eproc[at91sam7_info->cidr_eproc],
+ at91sam7_info->cidr_version,
+ bank->size);
+
+ command_print_sameline(cmd,
+ " Master clock (estimated): %u kHz | External clock: %u kHz\n",
+ (unsigned)(at91sam7_info->mck_freq / 1000),
+ (unsigned)(at91sam7_info->ext_freq / 1000));
+
+ command_print_sameline(cmd,
+ " Pagesize: %i bytes | Lockbits(%u): %i 0x%4.4x | Pages in lock region: %i\n",
+ at91sam7_info->pagesize,
+ bank->num_sectors,
+ at91sam7_info->num_lockbits_on,
+ at91sam7_info->lockbits,
+ at91sam7_info->pages_per_sector * at91sam7_info->num_lockbits_on);
+
+ command_print_sameline(cmd, " Securitybit: %i | Nvmbits(%i): %i 0x%1.1x\n",
at91sam7_info->securitybit, at91sam7_info->num_nvmbits,
at91sam7_info->num_nvmbits_on, at91sam7_info->nvmbits);
- buf += printed;
- buf_size -= printed;
-
return ERROR_OK;
}
{
struct flash_bank *bank;
int bit;
- uint8_t flashcmd;
+ uint8_t flashcmd;
uint32_t status;
struct at91sam7_flash_bank *at91sam7_info;
int retval;
if (CMD_ARGC != 2)
- {
- command_print(CMD_CTX, "at91sam7 gpnvm <bit> <set | clear>");
- return ERROR_OK;
- }
+ return ERROR_COMMAND_SYNTAX_ERROR;
bank = get_flash_bank_by_num_noprobe(0);
- if (bank == NULL)
- {
+ if (!bank)
return ERROR_FLASH_BANK_INVALID;
- }
- if (strcmp(bank->driver->name, "at91sam7"))
- {
- command_print(CMD_CTX, "not an at91sam7 flash bank '%s'", CMD_ARGV[0]);
+ if (strcmp(bank->driver->name, "at91sam7")) {
+ command_print(CMD, "not an at91sam7 flash bank '%s'", CMD_ARGV[0]);
return ERROR_FLASH_BANK_INVALID;
}
- if (bank->target->state != TARGET_HALTED)
- {
+ if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("target has to be halted to perform flash operation");
return ERROR_TARGET_NOT_HALTED;
}
if (strcmp(CMD_ARGV[1], "set") == 0)
- {
flashcmd = SGPB;
- }
else if (strcmp(CMD_ARGV[1], "clear") == 0)
- {
flashcmd = CGPB;
- }
else
- {
return ERROR_COMMAND_SYNTAX_ERROR;
- }
at91sam7_info = bank->driver_priv;
- if (at91sam7_info->cidr == 0)
- {
+ if (at91sam7_info->cidr == 0) {
retval = at91sam7_read_part_info(bank);
if (retval != ERROR_OK)
- {
return retval;
- }
}
COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], bit);
- if ((bit < 0) || (bit >= at91sam7_info->num_nvmbits))
- {
- command_print(CMD_CTX, "gpnvm bit '#%s' is out of bounds for target %s", CMD_ARGV[0], at91sam7_info->target_name);
+ if ((bit < 0) || (bit >= at91sam7_info->num_nvmbits)) {
+ command_print(CMD,
+ "gpnvm bit '#%s' is out of bounds for target %s",
+ CMD_ARGV[0],
+ at91sam7_info->target_name);
return ERROR_OK;
}
at91sam7_set_flash_mode(bank, FMR_TIMING_NVBITS);
if (at91sam7_flash_command(bank, flashcmd, bit) != ERROR_OK)
- {
return ERROR_FLASH_OPERATION_FAILED;
- }
/* GPNVM and SECURITY bits apply only for MC_FSR of EFC0 */
status = at91sam7_get_flash_status(bank->target, 0);
- LOG_DEBUG("at91sam7_handle_gpnvm_command: cmd 0x%x, value %d, status 0x%" PRIx32, flashcmd, bit, status);
+ LOG_DEBUG("at91sam7_handle_gpnvm_command: cmd 0x%x, value %d, status 0x%" PRIx32,
+ flashcmd,
+ bit,
+ status);
/* check protect state */
at91sam7_protect_check(bank);
.name = "at91sam7",
.mode = COMMAND_ANY,
.help = "at91sam7 flash command group",
+ .usage = "",
.chain = at91sam7_exec_command_handlers,
},
COMMAND_REGISTRATION_DONE
};
-struct flash_driver at91sam7_flash = {
+const struct flash_driver at91sam7_flash = {
.name = "at91sam7",
+ .usage = "gpnvm <bit> <set | clear>",
.commands = at91sam7_command_handlers,
.flash_bank_command = at91sam7_flash_bank_command,
.erase = at91sam7_erase,
projects / fw / openocd / blobdiff