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Merge branch 'bugfix/efuse_timesettigs_in_burn_op' into 'master'

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efuse: Fixes eFuse timesettings issue on esp32c3

Closes FCS-849

See merge request espressif/esp-idf!16885
This commit is contained in:
Mahavir Jain 2022-01-25 03:44:51 +00:00
commit c4ddfc9f06
3 changed files with 38 additions and 26 deletions
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42
components/efuse/esp32c3/esp_efuse_utility.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2017-2021 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2017-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -51,26 +51,44 @@ const esp_efuse_range_addr_t range_write_addr_blocks[] = {
{(uint32_t) &write_mass_blocks[EFUSE_BLK10][0], (uint32_t) &write_mass_blocks[EFUSE_BLK10][7]},
};
#ifndef CONFIG_EFUSE_VIRTUAL
// Update Efuse timing configuration
static esp_err_t esp_efuse_set_timing(void)
{
// efuse clock is fixed in ESP32-C3, so the ets_efuse_set_timing() function
// takes an argument for compatibility with older ROM functions but it's ignored.
int res = ets_efuse_set_timing(0);
assert(res == 0);
(void)res;
REG_SET_FIELD(EFUSE_WR_TIM_CONF2_REG, EFUSE_PWR_OFF_NUM, 0x60);
REG_SET_FIELD(EFUSE_WR_TIM_CONF2_REG, EFUSE_PWR_OFF_NUM, 0x190);
return ESP_OK;
}
static void efuse_read(void)
{
esp_efuse_set_timing();
REG_WRITE(EFUSE_CONF_REG, EFUSE_READ_OP_CODE);
REG_WRITE(EFUSE_CMD_REG, EFUSE_READ_CMD);
while (REG_GET_BIT(EFUSE_CMD_REG, EFUSE_READ_CMD) != 0) { }
/*Due to a hardware error, we have to read READ_CMD again to make sure the efuse clock is normal*/
while (REG_GET_BIT(EFUSE_CMD_REG, EFUSE_READ_CMD) != 0) { }
}
#ifndef CONFIG_EFUSE_VIRTUAL
static void efuse_program(esp_efuse_block_t block)
{
esp_efuse_set_timing();
REG_WRITE(EFUSE_CONF_REG, EFUSE_WRITE_OP_CODE);
REG_WRITE(EFUSE_CMD_REG, ((block << EFUSE_BLK_NUM_S) & EFUSE_BLK_NUM_M) | EFUSE_PGM_CMD);
while (REG_GET_BIT(EFUSE_CMD_REG, EFUSE_PGM_CMD) != 0) { };
ets_efuse_clear_program_registers();
efuse_read();
}
#endif // ifndef CONFIG_EFUSE_VIRTUAL
// Efuse read operation: copies data from physical efuses to efuse read registers.
void esp_efuse_utility_clear_program_registers(void)
{
ets_efuse_read();
efuse_read();
ets_efuse_clear_program_registers();
}
@ -104,7 +122,7 @@ void esp_efuse_utility_burn_chip(void)
}
int data_len = (range_write_addr_blocks[num_block].end - range_write_addr_blocks[num_block].start) + sizeof(uint32_t);
memcpy((void *)EFUSE_PGM_DATA0_REG, (void *)range_write_addr_blocks[num_block].start, data_len);
ets_efuse_program(num_block);
efuse_program(num_block);
break;
}
}

21
components/soc/esp32c3/include/soc/efuse_reg.h
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@ -1,16 +1,8 @@
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
* SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef _SOC_EFUSE_REG_H_
#define _SOC_EFUSE_REG_H_
@ -1867,6 +1859,9 @@ extern "C" {
#define EFUSE_OP_CODE_V 0xFFFF
#define EFUSE_OP_CODE_S 0
#define EFUSE_WRITE_OP_CODE 0x5a5a
#define EFUSE_READ_OP_CODE 0x5aa5
#define EFUSE_STATUS_REG (DR_REG_EFUSE_BASE + 0x1D0)
/* EFUSE_REPEAT_ERR_CNT : RO ;bitpos:[17:10] ;default: 8'h0 ; */
/*description: Indicates the number of error bits during programming BLOCK0.*/

1
tools/ci/check_copyright_ignore.txt
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@ -1634,7 +1634,6 @@ components/soc/esp32c3/include/soc/bb_reg.h
components/soc/esp32c3/include/soc/boot_mode.h
components/soc/esp32c3/include/soc/clkout_channel.h
components/soc/esp32c3/include/soc/dport_access.h
components/soc/esp32c3/include/soc/efuse_reg.h
components/soc/esp32c3/include/soc/efuse_struct.h
components/soc/esp32c3/include/soc/extmem_reg.h
components/soc/esp32c3/include/soc/fe_reg.h