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gpio: support runtime preserve

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This commit is contained in:
laokaiyao 2023-02-02 14:25:18 +08:00
parent 34ad5d8d29
commit c9f780dc2e
16 changed files with 127 additions and 7 deletions
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2
components/driver/gpio/gpio_etm.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/

2
components/driver/i2s/i2s_pdm.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/

2
components/driver/i2s/i2s_std.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/

2
components/driver/i2s/i2s_tdm.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/

1
components/esp_hw_support/CMakeLists.txt
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@ -25,6 +25,7 @@ if(NOT BOOTLOADER_BUILD)
"sleep_gpio.c"
"sleep_modem.c"
"regi2c_ctrl.c"
"esp_gpio_reserve.c"
"port/${target}/io_mux.c"
"port/${target}/clk_tree.c"
"port/clk_tree_common.c")

29
components/esp_hw_support/esp_gpio_reserve.c Normal file
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@ -0,0 +1,29 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "esp_types.h"
#include "esp_bit_defs.h"
#include "soc/soc_caps.h"
static uint64_t s_reserve_status = 0;
void esp_gpio_reserve_pins(uint64_t mask)
{
#if SOC_GPIO_PIN_COUNT < 64
mask &= BIT64(SOC_GPIO_PIN_COUNT) - 1;
#endif
s_reserve_status |= mask;
}
bool esp_gpio_is_pin_reserved(uint32_t gpio_num)
{
if (gpio_num >= SOC_GPIO_PIN_COUNT) {
return false;
}
return !!(s_reserve_status & BIT64(gpio_num));
}
// TODO: IDF-6968 reserve the pins that not fanned out regarding the SiP version

46
components/esp_hw_support/include/esp_private/esp_gpio_reserve.h Normal file
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@ -0,0 +1,46 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* File Introduction:
* This file is used to reserve the GPIOs runtime, which has been occupied by FLASH/PSRAM or
* the GPIOs that not fan out.
*
* The FLASH pins can be tuned according to eFuse, pins will be reserved in the `esp_mspi_pin_init`
* while starting the CPU.
*
* As for the PSRAM pins, they are initialized after CPU started. They will be reserved in
* the `psram_gpio_config` when enabling the PSRAM.
*/
#pragma once
#include "esp_types.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Set the reserved pin
* @note A same gpio can be reserve repetitively, but can't be clear once it is reserved
*
* @param[in] mask Mask of GPIO reserved pins
*/
void esp_gpio_reserve_pins(uint64_t mask);
/**
* @brief Check whether the pin has been reserved
*
* @param[in] gpio_num GPIO pin number, please input a gpio number within `SOC_GPIO_PIN_COUNT`
* @return
* - true This gpio is reserved for FLASH or PSRAM
* - false This gpio is available for other purposes
*/
bool esp_gpio_is_pin_reserved(uint32_t gpio_num);
#ifdef __cplusplus
}
#endif

2
components/esp_hw_support/linker.lf
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@ -13,6 +13,8 @@ entries:
cpu: esp_cpu_compare_and_set (noflash)
esp_memory_utils (noflash)
rtc_clk (noflash)
esp_gpio_reserve: esp_gpio_reserve_pins (noflash)
esp_gpio_reserve: esp_gpio_is_pin_reserved (noflash)
if SOC_CONFIGURABLE_VDDSDIO_SUPPORTED:
rtc_init:rtc_vddsdio_set_config (noflash)
if IDF_TARGET_ESP32C6 = n && IDF_TARGET_ESP32H2 = n: # TODO: IDF-5645

2
components/esp_hw_support/port/esp32c6/chip_info.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/

2
components/esp_hw_support/port/esp32h2/chip_info.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/

12
components/esp_psram/esp32/esp_psram_impl_quad.c
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@ -14,6 +14,7 @@
#include "esp_attr.h"
#include "esp_err.h"
#include "esp_types.h"
#include "esp_bit_defs.h"
#include "esp_log.h"
#include "../esp_psram_impl.h"
#include "esp32/rom/spi_flash.h"
@ -34,6 +35,7 @@
#include "bootloader_common.h"
#include "esp_rom_gpio.h"
#include "bootloader_flash_config.h"
#include "esp_private/esp_gpio_reserve.h"
#if CONFIG_SPIRAM
#include "soc/rtc.h"
@ -807,6 +809,16 @@ static void IRAM_ATTR psram_gpio_config(psram_io_t *psram_io, psram_cache_speed_
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->psram_spihd_sd2_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->psram_spiwp_sd3_io], FUN_DRV_V, 3, FUN_DRV_S);
}
// Reserve psram pins
esp_gpio_reserve_pins(BIT64(psram_io->flash_clk_io) |
BIT64(psram_io->flash_cs_io) |
BIT64(psram_io->psram_clk_io) |
BIT64(psram_io->psram_cs_io) |
BIT64(psram_io->psram_spiq_sd0_io) |
BIT64(psram_io->psram_spid_sd1_io) |
BIT64(psram_io->psram_spihd_sd2_io) |
BIT64(psram_io->psram_spiwp_sd3_io) );
}
//used in UT only

12
components/esp_psram/esp32s2/esp_psram_impl_quad.c
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@ -14,6 +14,7 @@
#include "esp_attr.h"
#include "esp_err.h"
#include "esp_types.h"
#include "esp_bit_defs.h"
#include "esp_log.h"
#include "../esp_psram_impl.h"
#include "esp32s2/rom/spi_flash.h"
@ -22,6 +23,7 @@
#include "esp_rom_efuse.h"
#include "soc/spi_reg.h"
#include "soc/io_mux_reg.h"
#include "esp_private/esp_gpio_reserve.h"
static const char* TAG = "quad_psram";
@ -377,6 +379,16 @@ static void IRAM_ATTR psram_gpio_config(psram_cache_speed_t mode)
}
esp_rom_spiflash_select_qio_pins(psram_io.psram_spiwp_sd3_io, spiconfig);
s_psram_cs_io = psram_io.psram_cs_io;
// Preserve psram pins
esp_gpio_reserve_pins(BIT64(psram_io.flash_clk_io) |
BIT64(psram_io.flash_cs_io) |
BIT64(psram_io.psram_clk_io) |
BIT64(psram_io.psram_cs_io) |
BIT64(psram_io.psram_spiq_sd0_io) |
BIT64(psram_io.psram_spid_sd1_io) |
BIT64(psram_io.psram_spihd_sd2_io) |
BIT64(psram_io.psram_spiwp_sd3_io) );
}
//used in UT only

5
components/esp_psram/esp32s3/esp_psram_impl_octal.c
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@ -9,6 +9,7 @@
#include "esp_attr.h"
#include "esp_err.h"
#include "esp_types.h"
#include "esp_bit_defs.h"
#include "esp_log.h"
#include "../esp_psram_impl.h"
#include "esp32s3/rom/ets_sys.h"
@ -20,6 +21,7 @@
#include "soc/syscon_reg.h"
#include "esp_private/spi_flash_os.h"
#include "esp_private/mspi_timing_tuning.h"
#include "esp_private/esp_gpio_reserve.h"
#define OPI_PSRAM_SYNC_READ 0x0000
#define OPI_PSRAM_SYNC_WRITE 0x8080
@ -263,6 +265,9 @@ static void s_init_psram_pins(void)
PIN_SET_DRV(GPIO_PIN_MUX_REG[OCT_PSRAM_CS1_IO], 3);
//Set psram clock pin drive strength
REG_SET_FIELD(SPI_MEM_DATE_REG(0), SPI_MEM_SPI_SMEM_SPICLK_FUN_DRV, 3);
// Preserve psram pins
esp_gpio_reserve_pins(BIT64(OCT_PSRAM_CS1_IO));
}
/**

5
components/esp_psram/esp32s3/esp_psram_impl_quad.c
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@ -10,6 +10,7 @@
#include "esp_attr.h"
#include "esp_err.h"
#include "esp_types.h"
#include "esp_bit_defs.h"
#include "esp_log.h"
#include "../esp_psram_impl.h"
#include "esp32s3/rom/spi_flash.h"
@ -19,6 +20,7 @@
#include "hal/gpio_hal.h"
#include "esp_private/spi_flash_os.h"
#include "esp_private/mspi_timing_tuning.h"
#include "esp_private/esp_gpio_reserve.h"
static const char* TAG = "quad_psram";
@ -296,6 +298,9 @@ static void psram_gpio_config(void)
}
//This ROM function will init both WP and HD pins.
esp_rom_spiflash_select_qio_pins(wp_io, spiconfig);
// Reserve psram pins
esp_gpio_reserve_pins(BIT64(cs1_io) | BIT64(wp_io));
}
esp_err_t esp_psram_impl_enable(psram_vaddr_mode_t vaddrmode) //psram init

7
components/spi_flash/flash_ops.c
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@ -24,6 +24,7 @@
#include "esp_private/system_internal.h"
#include "esp_private/spi_flash_os.h"
#include "esp_private/esp_clk.h"
#include "esp_private/esp_gpio_reserve.h"
#if CONFIG_IDF_TARGET_ESP32
#include "esp32/rom/cache.h"
#include "esp32/rom/spi_flash.h"
@ -171,6 +172,12 @@ void IRAM_ATTR esp_mspi_pin_init(void)
}
//Set F4R4 board pin drive strength. TODO: IDF-3663
#endif
/* Reserve the GPIO pins */
uint64_t reserve_pin_mask = 0;
for (esp_mspi_io_t i = 0; i < ESP_MSPI_IO_MAX; i++) {
reserve_pin_mask |= BIT64(esp_mspi_get_io(i));
}
esp_gpio_reserve_pins(reserve_pin_mask);
}
esp_err_t IRAM_ATTR spi_flash_init_chip_state(void)

3
components/spi_flash/include/esp_private/spi_flash_os.h
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@ -40,8 +40,9 @@ typedef enum {
ESP_MSPI_IO_D7,
#endif // SOC_SPI_MEM_SUPPORT_OPI_MODE
#if CONFIG_SPIRAM
ESP_MSPI_IO_CS1 /* cs for spi ram */
ESP_MSPI_IO_CS1, /* cs for spi ram */
#endif
ESP_MSPI_IO_MAX, /* Maximum IO MSPI occupied */
} esp_mspi_io_t;
/**