flash/nor: Do not update 'is_erased'

Remove useless setting of the 'is_erased' flag after a flash
modification. Also, remove code that erroneously depends on
this flag.

Keep the flag for now since it is still used by the
erase_check() functionality.

See commit 07da3b3913

Change-Id: Ia046905bc9e0cb2572145f19251c3e10c4e2d553
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: http://openocd.zylin.com/6279
Tested-by: jenkins
Reviewed-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

src/flash/nor/ambiqmicro.c

@@ -777,13 +777,9 @@ COMMAND_HANDLER(ambiqmicro_handle_mass_erase_command)
 	if (retval != ERROR_OK)
 		return retval;
 
-	if (ambiqmicro_mass_erase(bank) == ERROR_OK) {
-		/* set all sectors as erased */
-		for (unsigned int i = 0; i < bank->num_sectors; i++)
-			bank->sectors[i].is_erased = 1;
-
+	if (ambiqmicro_mass_erase(bank) == ERROR_OK)
 		command_print(CMD, "ambiqmicro mass erase complete");
-	} else
+	else
 		command_print(CMD, "ambiqmicro mass erase failed");
 
 	return ERROR_OK;

src/flash/nor/at91sam4l.c

@@ -480,9 +480,6 @@ static int sam4l_erase(struct flash_bank *bank, unsigned int first,
 					return ERROR_FAIL;
 				}
 			}
-
-			/* This sector is definitely erased. */
-			bank->sectors[i].is_erased = 1;
 		}
 	}
 

src/flash/nor/avrf.c

@@ -438,13 +438,9 @@ COMMAND_HANDLER(avrf_handle_mass_erase_command)
 	if (retval != ERROR_OK)
 		return retval;
 
-	if (avrf_mass_erase(bank) == ERROR_OK) {
-		/* set all sectors as erased */
-		for (unsigned int i = 0; i < bank->num_sectors; i++)
-			bank->sectors[i].is_erased = 1;
-
+	if (avrf_mass_erase(bank) == ERROR_OK)
 		command_print(CMD, "avr mass erase complete");
-	} else
+	else
 		command_print(CMD, "avr mass erase failed");
 
 	LOG_DEBUG("%s", __func__);

src/flash/nor/cfi.c

@@ -870,9 +870,7 @@ static int cfi_intel_erase(struct flash_bank *bank, unsigned int first,
 		if (retval != ERROR_OK)
 			return retval;
 
-		if (status == 0x80)
-			bank->sectors[i].is_erased = 1;
-		else {
+		if (status != 0x80) {
 			retval = cfi_send_command(bank, 0xff, cfi_flash_address(bank, 0, 0x0));
 			if (retval != ERROR_OK)
 				return retval;
@@ -927,9 +925,7 @@ static int cfi_spansion_erase(struct flash_bank *bank, unsigned int first,
 		if (retval != ERROR_OK)
 			return retval;
 
-		if (cfi_spansion_wait_status_busy(bank, cfi_info->block_erase_timeout) == ERROR_OK)
-			bank->sectors[i].is_erased = 1;
-		else {
+		if (cfi_spansion_wait_status_busy(bank, cfi_info->block_erase_timeout) != ERROR_OK) {
 			retval = cfi_send_command(bank, 0xf0, cfi_flash_address(bank, 0, 0x0));
 			if (retval != ERROR_OK)
 				return retval;

src/flash/nor/dsp5680xx_flash.c

@@ -130,15 +130,9 @@ static int dsp5680xx_flash_protect(struct flash_bank *bank, int set,
 
 	if (set)
 		retval = dsp5680xx_f_lock(bank->target);
-	else {
+	else
 		retval = dsp5680xx_f_unlock(bank->target);
-		if (retval == ERROR_OK) {
-			/* mark all as erased */
-			for (int i = 0; i <= (HFM_SECTOR_COUNT - 1); i++)
-				/* FM does not recognize it as erased if erased via JTAG. */
-				bank->sectors[i].is_erased = 1;
-		}
-	}
+
 	return retval;
 }
 
@@ -156,8 +150,6 @@ static int dsp5680xx_flash_protect(struct flash_bank *bank, int set,
 static int dsp5680xx_flash_write(struct flash_bank *bank, const uint8_t *buffer,
 				 uint32_t offset, uint32_t count)
 {
-	int retval;
-
 	if ((offset + count / 2) > bank->size) {
 		LOG_ERROR("%s: Flash bank cannot fit data.", __func__);
 		return ERROR_FAIL;
@@ -171,17 +163,7 @@ static int dsp5680xx_flash_write(struct flash_bank *bank, const uint8_t *buffer,
 		LOG_ERROR("%s: Writing to odd addresses not supported for this target", __func__);
 		return ERROR_FAIL;
 	}
-	retval = dsp5680xx_f_wr(bank->target, buffer, bank->base + offset / 2, count, 0);
-	uint32_t addr_word;
-
-	for (addr_word = bank->base + offset / 2; addr_word < count / 2;
-			addr_word += (HFM_SECTOR_SIZE / 2)) {
-		if (retval == ERROR_OK)
-			bank->sectors[addr_word / (HFM_SECTOR_SIZE / 2)].is_erased = 0;
-		else
-			bank->sectors[addr_word / (HFM_SECTOR_SIZE / 2)].is_erased = -1;
-	}
-	return retval;
+	return dsp5680xx_f_wr(bank->target, buffer, bank->base + offset / 2, count, 0);
 }
 
 static int dsp5680xx_probe(struct flash_bank *bank)
@@ -206,22 +188,7 @@ static int dsp5680xx_probe(struct flash_bank *bank)
 static int dsp5680xx_flash_erase(struct flash_bank *bank, unsigned int first,
 		unsigned int last)
 {
-	int retval;
-
-	retval = dsp5680xx_f_erase(bank->target, (uint32_t) first, (uint32_t) last);
-	if ((!(first | last)) || ((first == 0) && (last == (HFM_SECTOR_COUNT - 1))))
-		last = HFM_SECTOR_COUNT - 1;
-	if (retval == ERROR_OK)
-		for (unsigned int i = first; i <= last; i++)
-			bank->sectors[i].is_erased = 1;
-	else
-		/**
-		 * If an error occurred unknown status
-		 *is set even though some sector could have been correctly erased.
-		 */
-		for (unsigned int i = first; i <= last; i++)
-			bank->sectors[i].is_erased = -1;
-	return retval;
+	return dsp5680xx_f_erase(bank->target, (uint32_t) first, (uint32_t) last);
 }
 
 /**
@@ -241,16 +208,14 @@ static int dsp5680xx_flash_erase_check(struct flash_bank *bank)
 	uint32_t i;
 
 	for (i = 0; i < HFM_SECTOR_COUNT; i++) {
-		if (bank->sectors[i].is_erased == -1) {
-			retval = dsp5680xx_f_erase_check(bank->target, &erased, i);
-			if (retval != ERROR_OK) {
-				bank->sectors[i].is_erased = -1;
-			} else {
-				if (erased)
-					bank->sectors[i].is_erased = 1;
-				else
-					bank->sectors[i].is_erased = 0;
-			}
+		retval = dsp5680xx_f_erase_check(bank->target, &erased, i);
+		if (retval != ERROR_OK) {
+			bank->sectors[i].is_erased = -1;
+		} else {
+			if (erased)
+				bank->sectors[i].is_erased = 1;
+			else
+				bank->sectors[i].is_erased = 0;
 		}
 	}
 	return retval;

src/flash/nor/em357.c

@@ -382,8 +382,6 @@ static int em357_erase(struct flash_bank *bank, unsigned int first,
 		retval = em357_wait_status_busy(bank, 100);
 		if (retval != ERROR_OK)
 			return retval;
-
-		bank->sectors[i].is_erased = 1;
 	}
 
 	retval = target_write_u32(target, EM357_FLASH_CR, FLASH_LOCK);
@@ -877,13 +875,9 @@ COMMAND_HANDLER(em357_handle_mass_erase_command)
 		return retval;
 
 	retval = em357_mass_erase(bank);
-	if (retval == ERROR_OK) {
-		/* set all sectors as erased */
-		for (unsigned int i = 0; i < bank->num_sectors; i++)
-			bank->sectors[i].is_erased = 1;
-
+	if (retval == ERROR_OK)
 		command_print(CMD, "em357 mass erase complete");
-	} else
+	else
 		command_print(CMD, "em357 mass erase failed");
 
 	return retval;

src/flash/nor/fm3.c

@@ -328,7 +328,6 @@ static int fm3_erase(struct flash_bank *bank, unsigned int first,
 			if (retval != ERROR_OK)
 				return retval;
 		}
-		bank->sectors[sector].is_erased = 1;
 	}
 
 	target_free_working_area(target, write_algorithm);
@@ -953,10 +952,6 @@ COMMAND_HANDLER(fm3_handle_chip_erase_command)
 		return retval;
 
 	if (fm3_chip_erase(bank) == ERROR_OK) {
-		/* set all sectors as erased */
-		for (unsigned int i = 0; i < bank->num_sectors; i++)
-			bank->sectors[i].is_erased = 1;
-
 		command_print(CMD, "fm3 chip erase complete");
 	} else {
 		command_print(CMD, "fm3 chip erase failed");

src/flash/nor/fm4.c

@@ -177,8 +177,6 @@ static int fm4_flash_erase(struct flash_bank *bank, unsigned int first,
 			goto err_run_ret;
 		} else
 			retval = ERROR_OK;
-
-		bank->sectors[sector].is_erased = 1;
 	}
 
 err_run_ret:

src/flash/nor/kinetis_ke.c

@@ -1000,8 +1000,6 @@ static int kinetis_ke_erase(struct flash_bank *bank, unsigned int first,
 			return ERROR_FLASH_OPERATION_FAILED;
 		}
 
-		bank->sectors[i].is_erased = 1;
-
 		if (i == 2)
 			fcf_erased = true;
 	}

src/flash/nor/max32xxx.c

@@ -302,8 +302,6 @@ static int max32xxx_erase(struct flash_bank *bank, unsigned int first,
 			max32xxx_flash_op_post(bank);
 			return ERROR_FLASH_OPERATION_FAILED;
 		}
-
-		bank->sectors[banknr].is_erased = 1;
 	}
 
 	if (!erased) {
@@ -771,13 +769,9 @@ COMMAND_HANDLER(max32xxx_handle_mass_erase_command)
 	if (retval != ERROR_OK)
 		return retval;
 
-	if (max32xxx_mass_erase(bank) == ERROR_OK) {
-		/* set all sectors as erased */
-		for (unsigned i = 0; i < bank->num_sectors; i++)
-			bank->sectors[i].is_erased = 1;
-
+	if (max32xxx_mass_erase(bank) == ERROR_OK)
 		command_print(CMD, "max32xxx mass erase complete");
-	} else
+	else
 		command_print(CMD, "max32xxx mass erase failed");
 
 	return ERROR_OK;

src/flash/nor/mdr.c

@@ -197,7 +197,6 @@ static int mdr_erase(struct flash_bank *bank, unsigned int first,
 			if (retval != ERROR_OK)
 				goto reset_pg_and_lock;
 		}
-		bank->sectors[i].is_erased = 1;
 	}
 
 reset_pg_and_lock:

src/flash/nor/niietcm4.c

@@ -1206,8 +1206,6 @@ static int niietcm4_erase(struct flash_bank *bank, unsigned int first,
 		retval = niietcm4_opstatus_check(bank);
 		if (retval != ERROR_OK)
 			return retval;
-
-		bank->sectors[i].is_erased = 1;
 	}
 
 	return retval;

src/flash/nor/numicro.c

@@ -1532,8 +1532,6 @@ static int numicro_erase(struct flash_bank *bank, unsigned int first,
 			retval = target_write_u32(target, NUMICRO_FLASH_ISPCON, (status | ISPCON_ISPFF));
 			if (retval != ERROR_OK)
 				return retval;
-		} else {
-			bank->sectors[i].is_erased = 1;
 		}
 	}
 

src/flash/nor/pic32mx.c

@@ -353,7 +353,6 @@ static int pic32mx_erase(struct flash_bank *bank, unsigned int first,
 			return ERROR_FLASH_OPERATION_FAILED;
 		if (status & NVMCON_LVDERR)
 			return ERROR_FLASH_OPERATION_FAILED;
-		bank->sectors[i].is_erased = 1;
 	}
 
 	return ERROR_OK;

src/flash/nor/psoc4.c

@@ -520,16 +520,9 @@ static int psoc4_mass_erase(struct flash_bank *bank)
 
 	/* Call "Erase All" system ROM API */
 	uint32_t param = 0;
-	retval = psoc4_sysreq(bank, PSOC4_CMD_ERASE_ALL,
+	return psoc4_sysreq(bank, PSOC4_CMD_ERASE_ALL,
 			0,
 			&param, sizeof(param), NULL);
-
-	if (retval == ERROR_OK)
-		/* set all sectors as erased */
-		for (unsigned int i = 0; i < bank->num_sectors; i++)
-			bank->sectors[i].is_erased = 1;
-
-	return retval;
 }
 
 

src/flash/nor/psoc6.c

@@ -744,9 +744,6 @@ static int psoc6_erase(struct flash_bank *bank, unsigned int first,
 			if (hr != ERROR_OK)
 				goto exit_free_wa;
 
-			for (unsigned int i = first; i < first + rows_in_sector; i++)
-				bank->sectors[i].is_erased = 1;
-
 			first += rows_in_sector;
 		} else {
 			/* Perform Row Erase otherwise */
@@ -754,7 +751,6 @@ static int psoc6_erase(struct flash_bank *bank, unsigned int first,
 			if (hr != ERROR_OK)
 				goto exit_free_wa;
 
-			bank->sectors[first].is_erased = 1;
 			first += 1;
 		}
 	}

src/flash/nor/stellaris.c

@@ -886,8 +886,6 @@ static int stellaris_erase(struct flash_bank *bank, unsigned int first,
 			target_write_u32(target, FLASH_CRIS, 0);
 			return ERROR_FLASH_OPERATION_FAILED;
 		}
-
-		bank->sectors[banknr].is_erased = 1;
 	}
 
 	return ERROR_OK;
@@ -1318,13 +1316,9 @@ COMMAND_HANDLER(stellaris_handle_mass_erase_command)
 	if (retval != ERROR_OK)
 		return retval;
 
-	if (stellaris_mass_erase(bank) == ERROR_OK) {
-		/* set all sectors as erased */
-		for (unsigned int i = 0; i < bank->num_sectors; i++)
-			bank->sectors[i].is_erased = 1;
-
+	if (stellaris_mass_erase(bank) == ERROR_OK)
 		command_print(CMD, "stellaris mass erase complete");
-	} else
+	else
 		command_print(CMD, "stellaris mass erase failed");
 
 	return ERROR_OK;

src/flash/nor/stm32f1x.c

@@ -402,8 +402,6 @@ static int stm32x_erase(struct flash_bank *bank, unsigned int first,
 		retval = stm32x_wait_status_busy(bank, FLASH_ERASE_TIMEOUT);
 		if (retval != ERROR_OK)
 			return retval;
-
-		bank->sectors[i].is_erased = 1;
 	}
 
 	retval = target_write_u32(target, stm32x_get_flash_reg(bank, STM32_FLASH_CR), FLASH_LOCK);
@@ -1524,13 +1522,9 @@ COMMAND_HANDLER(stm32x_handle_mass_erase_command)
 		return retval;
 
 	retval = stm32x_mass_erase(bank);
-	if (retval == ERROR_OK) {
-		/* set all sectors as erased */
-		for (unsigned int i = 0; i < bank->num_sectors; i++)
-			bank->sectors[i].is_erased = 1;
-
+	if (retval == ERROR_OK)
 		command_print(CMD, "stm32x mass erase complete");
-	} else
+	else
 		command_print(CMD, "stm32x mass erase failed");
 
 	return retval;

src/flash/nor/stm32f2x.c

@@ -649,8 +649,6 @@ static int stm32x_erase(struct flash_bank *bank, unsigned int first,
 		retval = stm32x_wait_status_busy(bank, FLASH_ERASE_TIMEOUT);
 		if (retval != ERROR_OK)
 			return retval;
-
-		bank->sectors[i].is_erased = 1;
 	}
 
 	retval = target_write_u32(target, stm32x_get_flash_reg(bank, STM32_FLASH_CR), FLASH_LOCK);
@@ -1561,10 +1559,6 @@ COMMAND_HANDLER(stm32x_handle_mass_erase_command)
 
 	retval = stm32x_mass_erase(bank);
 	if (retval == ERROR_OK) {
-		/* set all sectors as erased */
-		for (unsigned int i = 0; i < bank->num_sectors; i++)
-			bank->sectors[i].is_erased = 1;
-
 		command_print(CMD, "stm32x mass erase complete");
 	} else {
 		command_print(CMD, "stm32x mass erase failed");

src/flash/nor/stm32h7x.c

@@ -512,7 +512,6 @@ static int stm32x_erase(struct flash_bank *bank, unsigned int first,
 			LOG_ERROR("erase time-out or operation error sector %u", i);
 			goto flash_lock;
 		}
-		bank->sectors[i].is_erased = 1;
 	}
 
 flash_lock:
@@ -1087,15 +1086,10 @@ COMMAND_HANDLER(stm32x_handle_mass_erase_command)
 		return retval;
 
 	retval = stm32x_mass_erase(bank);
-	if (retval == ERROR_OK) {
-		/* set all sectors as erased */
-		for (unsigned int i = 0; i < bank->num_sectors; i++)
-			bank->sectors[i].is_erased = 1;
-
+	if (retval == ERROR_OK)
 		command_print(CMD, "stm32h7x mass erase complete");
-	} else {
+	else
 		command_print(CMD, "stm32h7x mass erase failed");
-	}
 
 	return retval;
 }