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commit 882c39df4d8f59fb31a11c76c68e6db358f18916
Author: wangjianyu3 <wangjian...@xiaomi.com>
AuthorDate: Sun Mar 30 22:50:54 2025 +0800
Documentation/szpi-esp32s3: Add doc for PSRAM
Basic NuttShell configuration console and PSRAM enabled.
Signed-off-by: wangjianyu3 <wangjian...@xiaomi.com>
---
.../esp32s3/boards/lckfb-szpi-esp32s3/index.rst | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git
a/Documentation/platforms/xtensa/esp32s3/boards/lckfb-szpi-esp32s3/index.rst
b/Documentation/platforms/xtensa/esp32s3/boards/lckfb-szpi-esp32s3/index.rst
index 6ec1ba9305..7405e7d292 100644
--- a/Documentation/platforms/xtensa/esp32s3/boards/lckfb-szpi-esp32s3/index.rst
+++ b/Documentation/platforms/xtensa/esp32s3/boards/lckfb-szpi-esp32s3/index.rst
@@ -275,3 +275,25 @@ Then test LEDC(PWM) with pin42(backlight of LCD)::
nsh> pwm -d 0
pwm_main: starting output with frequency: 100 duty: 00000000
pwm_main: stopping output
+
+psram
+-----
+
+Basic NuttShell configuration console and PSRAM(Pseudo Static Random Access
Memory) enabled.
+
+You can run the configuration and compilation procedure::
+
+ $ ./tools/configure.sh lckfb-szpi-esp32s3:psram
+ $ make flash -j$(nproc) ESPTOOL_PORT=/dev/ttyUSB0
+
+Then comparing memory size with the basic "nsh" config::
+
+ # lckfb-szpi-esp32s3:nsh
+ nsh> free
+ total used free maxused maxfree nused nfree name
+ 332948 161500 171448 178280 171448 39 1 Umem
+
+ # lckfb-szpi-esp32s3:psram
+ nsh> free
+ total used free maxused maxfree nused nfree name
+ 8785268 161516 8623752 161888 8388592 41 2 Umem
