diff options
Diffstat (limited to 'target/linux/brcm2708/image')
| -rw-r--r-- | target/linux/brcm2708/image/Makefile | 77 | ||||
| -rw-r--r-- | target/linux/brcm2708/image/config.txt | 12 |
2 files changed, 63 insertions, 26 deletions
diff --git a/target/linux/brcm2708/image/Makefile b/target/linux/brcm2708/image/Makefile index e70bdd04d8..10ecfdaef0 100644 --- a/target/linux/brcm2708/image/Makefile +++ b/target/linux/brcm2708/image/Makefile @@ -11,30 +11,67 @@ include $(INCLUDE_DIR)/host.mk FAT32_BLOCK_SIZE=1024 FAT32_BLOCKS=$(shell echo $$(($(CONFIG_BRCM2708_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE)))) -define Image/Build/RaspberryPi - rm -f $(KDIR)/boot.img - - mkfs.fat -C $(KDIR)/boot.img $(FAT32_BLOCKS) - # Raspberry Pi has no bootloader, instead the GPU loads and starts the kernel - mcopy -i $(KDIR)/boot.img $(KDIR)/bootcode.bin :: - mcopy -i $(KDIR)/boot.img $(KDIR)/COPYING.linux :: - mcopy -i $(KDIR)/boot.img $(KDIR)/LICENCE.broadcom :: - mcopy -i $(KDIR)/boot.img $(KDIR)/start.elf :: - mcopy -i $(KDIR)/boot.img $(KDIR)/start_cd.elf :: - mcopy -i $(KDIR)/boot.img $(KDIR)/fixup.dat :: - mcopy -i $(KDIR)/boot.img $(KDIR)/fixup_cd.dat :: - mcopy -i $(KDIR)/boot.img cmdline.txt :: - mcopy -i $(KDIR)/boot.img config.txt :: - mcopy -i $(KDIR)/boot.img $(KDIR)/Image ::kernel.img # Copy OpenWrt built kernel - ./gen_rpi_sdcard_img.sh $(BIN_DIR)/$(IMG_PREFIX)-sdcard-vfat-$(1).img $(KDIR)/boot.img $(KDIR)/root.$(1) \ +### Image scripts ### +define Build/build-dtb + $(LINUX_DIR)/scripts/dtc/dtc -O dtb -o $@.dtb $(DTS_DIR)/$(DEVICE_DTS).dts +endef + +define Build/gen-cfg + cat config.txt > $@.config + echo -e "\ndevice_tree=$(DEVICE_DTS).dtb" >> $@.config +endef + +define Build/boot-img + rm -f $@.boot + mkfs.fat -C $@.boot $(FAT32_BLOCKS) + mcopy -i $@.boot $(KDIR)/bootcode.bin :: + mcopy -i $@.boot $(KDIR)/COPYING.linux :: + mcopy -i $@.boot $(KDIR)/LICENCE.broadcom :: + mcopy -i $@.boot $(KDIR)/start.elf :: + mcopy -i $@.boot $(KDIR)/start_cd.elf :: + mcopy -i $@.boot $(KDIR)/fixup.dat :: + mcopy -i $@.boot $(KDIR)/fixup_cd.dat :: + mcopy -i $@.boot cmdline.txt :: + mcopy -i $@.boot $@.config ::config.txt + mcopy -i $@.boot $(word 1,$^) ::kernel.img + mcopy -i $@.boot $@.dtb ::$(DEVICE_DTS).dtb +endef + +define Build/sdcard-img + ./gen_rpi_sdcard_img.sh $@ $@.boot $(word 2,$^) \ $(CONFIG_BRCM2708_SD_BOOT_PARTSIZE) $(CONFIG_TARGET_ROOTFS_PARTSIZE) endef -define Image/Build - $(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1).img - $(CP) $(KDIR)/Image $(BIN_DIR)/$(IMG_PREFIX)-Image +### Device macros ### +define Device/Default + FILESYSTEMS := ext4 + PROFILES = Default $$(DEVICE_PROFILE) + KERNEL := kernel-bin + IMAGES := sdcard.bin + IMAGE/sdcard.bin := build-dtb | gen-cfg | boot-img | sdcard-img + DEVICE_PROFILE := + DEVICE_NAME := + DEVICE_DTS := +endef +DEVICE_VARS += DEVICE_PROFILE DEVICE_NAME DEVICE_DTS - $(call Image/Build/RaspberryPi,$(1)) +# $(1) = profile +# $(2) = image name +# $(3) = dts +define add_bcm2708 + define Device/$(2) + DEVICE_PROFILE := $(1) + DEVICE_NAME := $(2) + DEVICE_DTS := $(3) + endef + TARGET_DEVICES += $(2) endef +# Raspberry Pi Model B +$(eval $(call add_bcm2708,RaspberryPi,rpi-b,bcm2708-rpi-b)) +# Raspberry Pi Model B+ +$(eval $(call add_bcm2708,RaspberryPi,rpi-b-plus,bcm2708-rpi-b-plus)) +# Raspberry Pi 2 Model B +$(eval $(call add_bcm2708,RaspberryPi2,rpi-2-b,bcm2709-rpi-2-b)) + $(eval $(call BuildImage)) diff --git a/target/linux/brcm2708/image/config.txt b/target/linux/brcm2708/image/config.txt index f7c46c657e..9e6e8e96f2 100644 --- a/target/linux/brcm2708/image/config.txt +++ b/target/linux/brcm2708/image/config.txt @@ -476,7 +476,7 @@ ## Stop start.elf from filling in ATAGS (memory from 0x100) before ## launching kernel ## -#disable_commandline_tags=0 +disable_commandline_tags=1 ## cmdline (string) ## Command line parameters. Can be used instead of cmdline.txt file @@ -491,7 +491,7 @@ ## kernel_address ## Address to load kernel.img file at ## -#kernel_address=0x00000000 +kernel_address=0x8000 ## ramfsfile (string) ## ramfs file to load @@ -515,21 +515,21 @@ ## device_tree_address ## Address to load device_tree at ## -#device_tree_address=0x00000000 +device_tree_address=0x100 ## init_uart_baud ## Initial uart baud rate. ## ## Default 115200 ## -#init_uart_baud=115200 +init_uart_baud=115200 ## init_uart_clock ## Initial uart clock. ## ## Default 3000000 (3MHz) ## -#init_uart_clock=3000000 +init_uart_clock=3000000 ## init_emmc_clock ## Initial emmc clock, increasing this can speedup your SD-card. @@ -920,4 +920,4 @@ ## 7 1.375 V ## 8 1.4 V ## -#over_voltage_sdram_p=0
\ No newline at end of file +#over_voltage_sdram_p=0 |