Hi, I noticed in src/target/firmware/calypso/dsp.c: static void dsp_pre_boot(const struct dsp_section *bootcode) { dputs("Assert DSP into Reset\n"); calypso_reset_set(RESET_DSP, 1); if (bootcode) { dputs("Loading initial DSP bootcode (API boot mode)\n"); dsp_upload_sections_api(dsp_bootcode, DSP_BASE_API_MIRROR); It seems that the intention is to pass bootcode to dsp_upload_sections_api, but it is still using the hardcoded dsp_bootcode. No functional impact as it is nowhere used with any other bootcode. Best regards, Job