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arch/arm: Add support for boot stage2 from Raspberry Pi Pico SDK

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This commit is contained in:
Yuichi Nakamura 2021-02-19 23:40:03 +09:00 committed by Xiang Xiao
parent ed1da60f52
commit 96a473d39d
4 changed files with 56 additions and 0 deletions
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1
arch/arm/src/.gitignore vendored
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@ -1,3 +1,4 @@
/locked.r
/board
/chip
/*.S

3
arch/arm/src/Makefile
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@ -217,6 +217,9 @@ ifeq ($(BOARDMAKE),y)
endif
$(call DELFILE, $(KBIN))
$(call DELFILE, $(BIN))
ifneq ($(EXTRADELFILE),)
$(call DELFILE, $(EXTRADELFILE))
endif
$(call CLEAN)
distclean: clean

51
arch/arm/src/rp2040/boot2/Make.defs Normal file
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@ -0,0 +1,51 @@
############################################################################
# arch/arm/src/rp2040/boot2/Make.defs
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership. The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################
HEAD_ASRC = $(BOOT_STAGE2).S
BOOT_STAGE2 = rp2040_boot_stage2
CONFIG_RP2040_FLASH_CHIP := $(patsubst "%",%,$(strip $(CONFIG_RP2040_FLASH_CHIP)))
BOOT2DIR = $(PICO_SDK_PATH)/src/rp2_common/boot_stage2
BOOT2SRC = $(BOOT2DIR)/boot2_$(CONFIG_RP2040_FLASH_CHIP).S
BOOT2CFLAGS += -DPICO_BOARD=\"pico\"
BOOT2CFLAGS += -DPICO_BUILD=1
BOOT2CFLAGS += -DPICO_NO_HARDWARE=0
BOOT2CFLAGS += -DPICO_ON_DEVICE=1
BOOT2CFLAGS += -Ichip/boot2
BOOT2CFLAGS += -I$(BOOT2DIR)/asminclude
BOOT2CFLAGS += -I$(PICO_SDK_PATH)/src/rp2040/hardware_regs/include
BOOT2CFLAGS += -I$(PICO_SDK_PATH)/src/rp2_common/hardware_base/include
BOOT2CFLAGS += -I$(PICO_SDK_PATH)/src/common/pico_base/include
BOOT2CFLAGS += -I$(PICO_SDK_PATH)/src/boards/include
BOOT2CFLAGS += -I$(PICO_SDK_PATH)/src/rp2_common/pico_platform/include
$(BOOT_STAGE2).S: %.S: %.bin
python3 $(BOOT2DIR)/pad_checksum -s 0xffffffff $< $@
$(BOOT_STAGE2).bin: %.bin: %.elf
$(OBJCOPY) -Obinary $< $@
$(BOOT_STAGE2).elf: $(BOOT2SRC)
$(CC) $(LDFLAGS) $(BOOT2CFLAGS) -o $@ $<
EXTRADELFILE = $(BOOT_STAGE2).*

1
arch/arm/src/rp2040/boot2/pico/config.h Normal file
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@ -0,0 +1 @@
#include "boards/pico.h"