This is an automated email from the ASF dual-hosted git repository. acassis pushed a commit to branch master in repository https://gitbox.apache.org/repos/asf/nuttx.git
commit 08a19531930e9b40977bbff4e183ae6a11bc8a16 Author: Tiago Medicci Serrano <[email protected]> AuthorDate: Thu Apr 16 09:57:30 2026 -0300 Documentation: Document `esp32p4-function-ev-board:psram_usrheap` This commit adds an entry for the ESP32-P4-Function-EV-Board's `psram_usrheap` defconfig on docs. Signed-off-by: Tiago Medicci Serrano <[email protected]> --- .../risc-v/esp32p4/boards/esp32p4-function-ev-board/index.rst | 11 +++++++++++ Documentation/platforms/risc-v/esp32p4/index.rst | 1 + 2 files changed, 12 insertions(+) diff --git a/Documentation/platforms/risc-v/esp32p4/boards/esp32p4-function-ev-board/index.rst b/Documentation/platforms/risc-v/esp32p4/boards/esp32p4-function-ev-board/index.rst index 1ece4a287a9..54a3b0a3b40 100644 --- a/Documentation/platforms/risc-v/esp32p4/boards/esp32p4-function-ev-board/index.rst +++ b/Documentation/platforms/risc-v/esp32p4/boards/esp32p4-function-ev-board/index.rst @@ -295,6 +295,17 @@ To save power without using sleep modes, lowering the clock speed is another app ``CONFIG_ESPRESSIF_DFS`` option needs to enabled and minimum CPU frequency needs to set under ``CONFIG_ESPRESSIF_MIN_CPU_FREQ`` option. With these options, the device scales the CPU clock according to workload. +psram_usrheap +------------- + +This configuration enables allocating the userspace heap into SPIRAM and reserves the +internal RAM for kernel heap. For instance, for a 32MB PSRAM:: + + nsh> free + total used free maxused maxfree nused nfree name + 602004 6492 595512 6872 595512 36 1 Kmem + 33554428 4276 33550152 4656 33550152 8 1 Umem + pwm --- diff --git a/Documentation/platforms/risc-v/esp32p4/index.rst b/Documentation/platforms/risc-v/esp32p4/index.rst index 7a4b6bbdcab..1952ce368a6 100644 --- a/Documentation/platforms/risc-v/esp32p4/index.rst +++ b/Documentation/platforms/risc-v/esp32p4/index.rst @@ -348,6 +348,7 @@ Parallel IO No LCD Interface No MIPI DSI No Timers Yes +SPIRAM / PSRAM Yes Watchdog Yes MWDT0/1 and RWDT Ethernet No Brownout No
