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v2.2.0 (RP2040)
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config.h
/*
* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef _BOOT_STAGE2_CONFIG_H
#define _BOOT_STAGE2_CONFIG_H
// NOTE THIS HEADER IS INCLUDED FROM ASSEMBLY
#include "pico.h"
// PICO_CONFIG: PICO_FLASH_SPI_CLKDIV, Clock divider from clk_sys to use for serial flash communications in boot stage 2. On RP2040 this must be a multiple of 2. This define applies to compilation of the boot stage 2 not the main application, type=int, default=varies; often specified in board header, advanced=true, group=boot_stage2
// PICO_CONFIG: PICO_BUILD_BOOT_STAGE2_NAME, Name of the boot stage 2 if selected in the build system. This define applies to compilation of the boot stage 2 not the main application, group=boot_stage2
#ifdef PICO_BUILD_BOOT_STAGE2_NAME
#define _BOOT_STAGE2_SELECTED
#else
// check that multiple boot stage 2 options haven't been set...
// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_IS25LP080, Select boot2_is25lp080 as the boot stage 2 when no boot stage 2 selection is made by the CMake build. This define applies to compilation of the boot stage 2 not the main application, type=bool, default=0, group=boot_stage2
#ifndef PICO_BOOT_STAGE2_CHOOSE_IS25LP080
#define PICO_BOOT_STAGE2_CHOOSE_IS25LP080 0
#elif PICO_BOOT_STAGE2_CHOOSE_IS25LP080
#ifdef _BOOT_STAGE2_SELECTED
#error multiple boot stage 2 options chosen
#endif
#define _BOOT_STAGE2_SELECTED
#endif
// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_W25Q080, Select boot2_w25q080 as the boot stage 2 when no boot stage 2 selection is made by the CMake build. This define applies to compilation of the boot stage 2 not the main application, type=bool, default=0, group=boot_stage2
#ifndef PICO_BOOT_STAGE2_CHOOSE_W25Q080
#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 0
#elif PICO_BOOT_STAGE2_CHOOSE_W25Q080
#ifdef _BOOT_STAGE2_SELECTED
#error multiple boot stage 2 options chosen
#endif
#define _BOOT_STAGE2_SELECTED
#endif
// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_W25X10CL, Select boot2_w25x10cl as the boot stage 2 when no boot stage 2 selection is made by the CMake build. This define applies to compilation of the boot stage 2 not the main application, type=bool, default=0, group=boot_stage2
#ifndef PICO_BOOT_STAGE2_CHOOSE_W25X10CL
#define PICO_BOOT_STAGE2_CHOOSE_W25X10CL 0
#elif PICO_BOOT_STAGE2_CHOOSE_W25X10CL
#ifdef _BOOT_STAGE2_SELECTED
#error multiple boot stage 2 options chosen
#endif
#define _BOOT_STAGE2_SELECTED
#endif
// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_AT25SF128A, Select boot2_at25sf128a as the boot stage 2 when no boot stage 2 selection is made by the CMake build. This define applies to compilation of the boot stage 2 not the main application, type=bool, default=0, group=boot_stage2
#ifndef PICO_BOOT_STAGE2_CHOOSE_AT25SF128A
#define PICO_BOOT_STAGE2_CHOOSE_AT25SF128A 0
#elif PICO_BOOT_STAGE2_CHOOSE_AT25SF128A
#ifdef _BOOT_STAGE2_SELECTED
#error multiple boot stage 2 options chosen
#endif
#define _BOOT_STAGE2_SELECTED
#endif
// PICO_CONFIG: PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H, Select boot2_generic_03h as the boot stage 2 when no boot stage 2 selection is made by the CMake build. This define applies to compilation of the boot stage 2 not the main application, type=bool, default=1, group=boot_stage2
#if defined(PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H) && PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H
#ifdef _BOOT_STAGE2_SELECTED
#error multiple boot stage 2 options chosen
#endif
#define _BOOT_STAGE2_SELECTED
#endif
#endif // PICO_BUILD_BOOT_STAGE2_NAME
#ifdef PICO_BUILD_BOOT_STAGE2_NAME
// boot stage 2 is configured by cmake, so use the name specified there
#define PICO_BOOT_STAGE2_NAME PICO_BUILD_BOOT_STAGE2_NAME
#else
// boot stage 2 is selected by board config header, so we have to do some work
#if PICO_BOOT_STAGE2_CHOOSE_IS25LP080
#define _BOOT_STAGE2 boot2_is25lp080
#elif PICO_BOOT_STAGE2_CHOOSE_W25Q080
#define _BOOT_STAGE2 boot2_w25q080
#elif PICO_BOOT_STAGE2_CHOOSE_W25X10CL
#define _BOOT_STAGE2 boot2_w25x10cl
#elif PICO_BOOT_STAGE2_CHOOSE_AT25SF128A
#define _BOOT_STAGE2 boot2_at25sf128a
#elif !defined(PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H) || PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H
#undef PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H
#define PICO_BOOT_STAGE2_CHOOSE_GENERIC_03H 1
#define _BOOT_STAGE2 boot2_generic_03h
#else
#error no boot stage 2 is defined by PICO_BOOT_STAGE2_CHOOSE_ macro
#endif
// we can't include cdefs in assembly, so define our own, but avoid conflict with real ones for c inclusion
#define PICO_BOOT_STAGE2_NAME __PICO_XSTRING(_BOOT_STAGE2)
#define PICO_BOOT_STAGE2_ASM __PICO_XSTRING(__PICO_CONCAT1(_BOOT_STAGE2,.S))
#endif
#endif
pico.h