spi_flash: only link flash vendor which is officially supported to save IRAM

.pre-commit-config.yaml

@@ -129,9 +129,9 @@ repos:
         pass_filenames: false
       - id: check-generated-soc-caps-kconfig
         name: Check soc caps kconfig files are generated (based on components/soc/IDF_TARGET/include/soc/soc_caps.h)
-        entry: tools/gen_soc_caps_kconfig/gen_soc_caps_kconfig.py -d 'components/soc/*/include/soc/' 'components/esp_rom/*/'
+        entry: tools/gen_soc_caps_kconfig/gen_soc_caps_kconfig.py -d 'components/soc/*/include/soc/' 'components/esp_rom/*/' 'components/spi_flash/*/'
         language: python
-        files: 'components/soc/.+/include/soc/.+_caps\.h|components/esp_rom/.+/.+_caps\.h|kconfig\.soc_caps.in'
+        files: 'components/soc/.+/include/soc/.+_caps\.h|components/esp_rom/.+/.+_caps\.h|kconfig\.soc_caps.in|components/spi_flash/.+/.+_caps\.h'
         pass_filenames: false
         additional_dependencies:
           - pyparsing

components/spi_flash/Kconfig

@@ -219,9 +219,12 @@ menu "SPI Flash driver"
     menu "Auto-detect flash chips"
         visible if !SPI_FLASH_OVERRIDE_CHIP_DRIVER_LIST
 
+        orsource "./$IDF_TARGET/Kconfig.soc_caps.in"
+
         config SPI_FLASH_SUPPORT_ISSI_CHIP
             bool "ISSI"
-            default y
+            default y if SPI_FLASH_VENDOR_ISSI_SUPPORTED
+            default n
             help
                 Enable this to support auto detection of ISSI chips if chip vendor not directly
                 given by ``chip_drv`` member of the chip struct. This adds support for variant
@@ -229,7 +232,8 @@ menu "SPI Flash driver"
 
         config SPI_FLASH_SUPPORT_MXIC_CHIP
             bool "MXIC"
-            default y
+            default y if SPI_FLASH_VENDOR_MXIC_SUPPORTED
+            default n
             help
                 Enable this to support auto detection of MXIC chips if chip vendor not directly
                 given by ``chip_drv`` member of the chip struct. This adds support for variant
@@ -237,7 +241,8 @@ menu "SPI Flash driver"
 
         config SPI_FLASH_SUPPORT_GD_CHIP
             bool "GigaDevice"
-            default y
+            default y if SPI_FLASH_VENDOR_GD_SUPPORTED
+            default n
             help
                 Enable this to support auto detection of GD (GigaDevice) chips if chip vendor not
                 directly given by ``chip_drv`` member of the chip struct. If you are using Wrover
@@ -250,7 +255,8 @@ menu "SPI Flash driver"
 
         config SPI_FLASH_SUPPORT_WINBOND_CHIP
             bool "Winbond"
-            default y
+            default y if SPI_FLASH_VENDOR_WINBOND_SUPPORTED
+            default n
             help
                 Enable this to support auto detection of Winbond chips if chip vendor not directly
                 given by ``chip_drv`` member of the chip struct. This adds support for variant
@@ -259,8 +265,8 @@ menu "SPI Flash driver"
         config SPI_FLASH_SUPPORT_BOYA_CHIP
             bool "BOYA"
             # ESP32 doens't usually use this chip, default n to save iram.
-            default n if IDF_TARGET_ESP32
-            default y
+            default y if SPI_FLASH_VENDOR_BOYA_SUPPORTED
+            default n
             help
                 Enable this to support auto detection of BOYA chips if chip vendor not directly
                 given by ``chip_drv`` member of the chip struct. This adds support for variant
@@ -269,8 +275,8 @@ menu "SPI Flash driver"
         config SPI_FLASH_SUPPORT_TH_CHIP
             bool "TH"
             # ESP32 doens't usually use this chip, default n to save iram.
-            default n if IDF_TARGET_ESP32
-            default y
+            default y if SPI_FLASH_VENDOR_TH_SUPPORTED
+            default n
             help
                 Enable this to support auto detection of TH chips if chip vendor not directly
                 given by ``chip_drv`` member of the chip struct. This adds support for variant

components/spi_flash/esp32/Kconfig.soc_caps.in

@@ -0,0 +1,24 @@
+#####################################################
+# This file is auto-generated from SoC caps
+# using gen_soc_caps_kconfig.py, do not edit manually
+#####################################################
+
+config SPI_FLASH_VENDOR_XMC_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_GD_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_ISSI_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_MXIC_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_WINBOND_SUPPORTED
+    bool
+    default y

components/spi_flash/esp32/flash_vendor_caps.h

@@ -0,0 +1,29 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * This file records the flash vendor that we offically supported.
+ * we have many chip-specific files, like ``spi_flash_chip_gd.c``,
+ * which means that this file is used for GD flash chips.
+ *
+ * The following definations illustrate what flash vendor is officially
+ * supported by ESP chips. If a flash vendor is officially supported, the chip
+ * specific file will be linked by default, vice versa. You can also adjust this
+ * manually in Kconfig options.
+ *
+ * For example:
+ * Following `SPI_FLASH_VENDOR_ISSI_SUPPORTED` is (1), which means file `spi_flash_chip_issi.c`
+ * will be linked.
+ *
+ */
+
+#pragma once
+
+#define SPI_FLASH_VENDOR_XMC_SUPPORTED       (1)
+#define SPI_FLASH_VENDOR_GD_SUPPORTED        (1)
+#define SPI_FLASH_VENDOR_ISSI_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_MXIC_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_WINBOND_SUPPORTED   (1)

components/spi_flash/esp32c2/Kconfig.soc_caps.in

@@ -0,0 +1,32 @@
+#####################################################
+# This file is auto-generated from SoC caps
+# using gen_soc_caps_kconfig.py, do not edit manually
+#####################################################
+
+config SPI_FLASH_VENDOR_XMC_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_GD_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_ISSI_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_MXIC_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_WINBOND_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_BOYA_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_TH_SUPPORTED
+    bool
+    default y

components/spi_flash/esp32c2/flash_vendor_caps.h

@@ -0,0 +1,14 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#define SPI_FLASH_VENDOR_XMC_SUPPORTED       (1)
+#define SPI_FLASH_VENDOR_GD_SUPPORTED        (1)
+#define SPI_FLASH_VENDOR_ISSI_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_MXIC_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_WINBOND_SUPPORTED   (1)
+#define SPI_FLASH_VENDOR_BOYA_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_TH_SUPPORTED        (1)

components/spi_flash/esp32c3/Kconfig.soc_caps.in

@@ -0,0 +1,32 @@
+#####################################################
+# This file is auto-generated from SoC caps
+# using gen_soc_caps_kconfig.py, do not edit manually
+#####################################################
+
+config SPI_FLASH_VENDOR_XMC_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_GD_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_ISSI_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_MXIC_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_WINBOND_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_BOYA_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_TH_SUPPORTED
+    bool
+    default y

components/spi_flash/esp32c3/flash_vendor_caps.h

@@ -0,0 +1,14 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#define SPI_FLASH_VENDOR_XMC_SUPPORTED       (1)
+#define SPI_FLASH_VENDOR_GD_SUPPORTED        (1)
+#define SPI_FLASH_VENDOR_ISSI_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_MXIC_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_WINBOND_SUPPORTED   (1)
+#define SPI_FLASH_VENDOR_BOYA_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_TH_SUPPORTED        (1)

components/spi_flash/esp32c6/Kconfig.soc_caps.in

@@ -0,0 +1,8 @@
+#####################################################
+# This file is auto-generated from SoC caps
+# using gen_soc_caps_kconfig.py, do not edit manually
+#####################################################
+
+config SPI_FLASH_VENDOR_XMC_SUPPORTED
+    bool
+    default y

components/spi_flash/esp32c6/flash_vendor_caps.h

@@ -0,0 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#define SPI_FLASH_VENDOR_XMC_SUPPORTED       (1)

components/spi_flash/esp32h2/Kconfig.soc_caps.in

@@ -0,0 +1,8 @@
+#####################################################
+# This file is auto-generated from SoC caps
+# using gen_soc_caps_kconfig.py, do not edit manually
+#####################################################
+
+config SPI_FLASH_VENDOR_XMC_SUPPORTED
+    bool
+    default y

components/spi_flash/esp32h2/flash_vendor_caps.h

@@ -0,0 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#define SPI_FLASH_VENDOR_XMC_SUPPORTED       (1)

components/spi_flash/esp32h4/Kconfig.soc_caps.in

@@ -0,0 +1,32 @@
+#####################################################
+# This file is auto-generated from SoC caps
+# using gen_soc_caps_kconfig.py, do not edit manually
+#####################################################
+
+config SPI_FLASH_VENDOR_XMC_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_GD_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_ISSI_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_MXIC_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_WINBOND_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_BOYA_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_TH_SUPPORTED
+    bool
+    default y

components/spi_flash/esp32h4/flash_vendor_caps.h

@@ -0,0 +1,14 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#define SPI_FLASH_VENDOR_XMC_SUPPORTED       (1)
+#define SPI_FLASH_VENDOR_GD_SUPPORTED        (1)
+#define SPI_FLASH_VENDOR_ISSI_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_MXIC_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_WINBOND_SUPPORTED   (1)
+#define SPI_FLASH_VENDOR_BOYA_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_TH_SUPPORTED        (1)

components/spi_flash/esp32s2/Kconfig.soc_caps.in

@@ -0,0 +1,32 @@
+#####################################################
+# This file is auto-generated from SoC caps
+# using gen_soc_caps_kconfig.py, do not edit manually
+#####################################################
+
+config SPI_FLASH_VENDOR_XMC_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_GD_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_ISSI_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_MXIC_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_WINBOND_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_BOYA_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_TH_SUPPORTED
+    bool
+    default y

components/spi_flash/esp32s2/flash_vendor_caps.h

@@ -0,0 +1,14 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#define SPI_FLASH_VENDOR_XMC_SUPPORTED       (1)
+#define SPI_FLASH_VENDOR_GD_SUPPORTED        (1)
+#define SPI_FLASH_VENDOR_ISSI_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_MXIC_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_WINBOND_SUPPORTED   (1)
+#define SPI_FLASH_VENDOR_BOYA_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_TH_SUPPORTED        (1)

components/spi_flash/esp32s3/Kconfig.soc_caps.in

@@ -0,0 +1,32 @@
+#####################################################
+# This file is auto-generated from SoC caps
+# using gen_soc_caps_kconfig.py, do not edit manually
+#####################################################
+
+config SPI_FLASH_VENDOR_XMC_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_GD_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_ISSI_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_MXIC_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_WINBOND_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_BOYA_SUPPORTED
+    bool
+    default y
+
+config SPI_FLASH_VENDOR_TH_SUPPORTED
+    bool
+    default y

components/spi_flash/esp32s3/flash_vendor_caps.h

@@ -0,0 +1,15 @@
+/*
+ * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#pragma once
+
+#define SPI_FLASH_VENDOR_XMC_SUPPORTED       (1)
+#define SPI_FLASH_VENDOR_GD_SUPPORTED        (1)
+#define SPI_FLASH_VENDOR_ISSI_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_MXIC_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_WINBOND_SUPPORTED   (1)
+#define SPI_FLASH_VENDOR_BOYA_SUPPORTED      (1)
+#define SPI_FLASH_VENDOR_TH_SUPPORTED        (1)

docs/en/api-guides/performance/ram-usage.rst

@@ -140,6 +140,7 @@ The following options will reduce IRAM usage of some ESP-IDF features:
     - Disabling :ref:`CONFIG_ESP_EVENT_POST_FROM_IRAM_ISR` prevents posting ``esp_event`` events from :ref:`iram-safe-interrupt-handlers` but will save some IRAM.
     - Disabling :ref:`CONFIG_SPI_MASTER_ISR_IN_IRAM` prevents spi_master interrupts from being serviced while writing to flash, and may otherwise reduce spi_master performance, but will save some IRAM.
     - Setting :ref:`CONFIG_HAL_DEFAULT_ASSERTION_LEVEL` to disable assertion for HAL component will save some IRAM especially for HAL code who calls `HAL_ASSERT` a lot and resides in IRAM.
+    - Refer to sdkconfig menu ``Auto-detect flash chips`` and you can disable flash drivers which you don't need to save some IRAM.
 
 
 .. only:: esp32c3

docs/en/api-reference/peripherals/spi_flash/index.rst

@@ -47,6 +47,10 @@ Quad mode (QIO/QOUT) is supported on following chip types:
 6. XMC
 7. BOYA
 
+.. note::
+
+    For every flash chip vendor listed above will only be supported by default when the flash is officially supported. If you want to enable/disable the flash series you can go through Kconfig manu ``Auto-detect flash chips``.
+
 Optional Features
 ^^^^^^^^^^^^^^^^^