kopia lustrzana https://github.com/espressif/esp-idf
32 wiersze
946 B
C
32 wiersze
946 B
C
|
/*
|
|||
|
|
* SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
|
|||
|
|
*
|
|||
|
|
* SPDX-License-Identifier: Apache-2.0
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#include "soc/soc.h"
|
|||
|
|
#include "soc/efuse_reg.h"
|
|||
|
|
|
|||
|
|
#if CONFIG_IDF_TARGET_ESP32S3
|
|||
|
|
/**
|
|||
|
|
* Since rom of esp32s3 does not export function ets_efuse_get_opiconfig,
|
|||
|
|
* patch this function here.
|
|||
|
|
*/
|
|||
|
|
uint32_t esp_rom_efuse_get_opiconfig(void)
|
|||
|
|
{
|
|||
|
|
uint64_t spiconfig1 = REG_GET_FIELD(EFUSE_RD_MAC_SPI_SYS_2_REG, EFUSE_SPI_PAD_CONF_1);
|
|||
|
|
uint64_t spiconfig2 = REG_GET_FIELD(EFUSE_RD_MAC_SPI_SYS_3_REG, EFUSE_SPI_PAD_CONF_2);
|
|||
|
|
uint64_t opiconfig = (spiconfig2 << 12) | (spiconfig1 >> 20);
|
|||
|
|
if (opiconfig == 0 || opiconfig == 0x3fffffffllu) {
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
// （MSB）EFUSE_SPI_PAD_CONF_2(18bit) + EFUSE_SPI_PAD_CONF_1(32bit) + EFUSE_SPI_PAD_CONF_0(16bit) (LSB)
|
|||
|
|
// [36:41] -- DQS
|
|||
|
|
// [42:47] -- D4
|
|||
|
|
// [48:53] -- D5
|
|||
|
|
// [54:59] -- D6
|
|||
|
|
// [60:65] -- D7
|
|||
|
|
return opiconfig & 0x3fffffff;
|
|||
|
|
}
|
|||
|
|
#endif
|