target/linux/bcm63xx/image/Makefile

   1 #
   2 # Copyright (C) 2006-2015 OpenWrt.org
   3 # Copyright (C) 2016 LEDE project
   4 #
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7 #
   8 include $(TOPDIR)/rules.mk
   9 include $(INCLUDE_DIR)/image.mk
  10
  11 KERNEL_LOADADDR = 0x80010000            # RAM start + 64K
  12 LOADER_ENTRY = 0x80a00000               # RAM start + 10M, for relocate
  13 RAMSIZE = 0x02000000                    # 32MB
  14 LZMA_TEXT_START = 0x81800000            # 32MB - 8MB
  15
  16 LOADER_MAKEOPTS= \
  17                 KDIR=$(KDIR) \
  18                 LOADADDR=$(KERNEL_LOADADDR) \
  19                 RAMSIZE=$(RAMSIZE) \
  20                 LZMA_TEXT_START=$(LZMA_TEXT_START)
  21
  22 RELOCATE_MAKEOPTS= \
  23                 CACHELINE_SIZE=16 \
  24                 KERNEL_ADDR=$(KERNEL_LOADADDR) \
  25                 CROSS_COMPILE=$(TARGET_CROSS) \
  26                 LZMA_TEXT_START=$(LOADER_ENTRY)
  27
  28 define Build/Compile
  29         rm -rf $(KDIR)/relocate
  30         $(CP) ../../generic/image/relocate $(KDIR)
  31         $(MAKE) -C $(KDIR)/relocate $(RELOCATE_MAKEOPTS)
  32 endef
  33
  34 ### Kernel scripts ###
  35 define Build/hcs-initramfs
  36         $(STAGING_DIR_HOST)/bin/hcsmakeimage --magic_bytes=$(HCS_MAGIC_BYTES) \
  37                 --rev_maj=$(HCS_REV_MAJ) --rev_min=$(HCS_REV_MIN) --input_file=$@ \
  38                 --output_file=$@.hcs --ldaddress=$(KERNEL_LOADADDR)
  39         mv $@.hcs $@
  40 endef
  41
  42 define Build/loader-lzma
  43         rm -rf $@.src
  44         $(MAKE) -C lzma-loader \
  45                 $(LOADER_MAKEOPTS) \
  46                 PKG_BUILD_DIR="$@.src" \
  47                 TARGET_DIR="$(dir $@)" \
  48                 LOADER_DATA="$@" \
  49                 LOADER_NAME="$(notdir $@)" \
  50                 compile loader.$(1)
  51         mv "$@.$(1)" "$@"
  52         rm -rf $@.src
  53 endef
  54
  55 define Build/lzma-cfe
  56         # CFE is a LZMA nazi! It took me hours to find out the parameters!
  57         # Also I think lzma has a bug cause it generates different output depending on
  58         # if you use stdin / stdout or not. Use files instead of stdio here, cause
  59         # otherwise CFE will complain and not boot the image.
  60         $(call Build/lzma-no-dict,-d22 -fb64 -a1)
  61         # Strip out the length, CFE doesn't like this
  62         dd if=$@ of=$@.new bs=5 count=1
  63         dd if=$@ of=$@.new ibs=13 obs=5 skip=1 seek=1 conv=notrunc
  64         mv $@.new $@
  65 endef
  66
  67 define Build/relocate-kernel
  68         # CFE only allows ~4 MiB for the uncompressed kernels, but uncompressed
  69         # kernel might get larger than that, so let CFE unpack and load at a
  70         # higher address and make the kernel relocate itself to the expected
  71         # location.
  72         ( \
  73                 dd if=$(KDIR)/relocate/loader.bin bs=32 conv=sync && \
  74                 perl -e '@s = stat("$@"); print pack("N", @s[7])' && \
  75                 cat $@ \
  76         ) > $@.relocate
  77         mv $@.relocate $@
  78 endef
  79
  80 ### Image scripts ###
  81 define rootfspad/jffs2-128k
  82 --align-rootfs
  83 endef
  84 define rootfspad/jffs2-64k
  85 --align-rootfs
  86 endef
  87 define rootfspad/squashfs
  88 endef
  89
  90 define Image/LimitName16
  91 $(shell expr substr "$(1)" 1 16)
  92 endef
  93
  94 define Image/FileSystemStrip
  95 $(firstword $(subst +,$(space),$(subst root.,,$(notdir $(1)))))
  96 endef
  97
  98 define Build/cfe-bin
  99         $(STAGING_DIR_HOST)/bin/imagetag -i $(IMAGE_KERNEL) -f $(IMAGE_ROOTFS) \
 100                 --output $@ --boardid $(CFE_BOARD_ID) --chipid $(CFE_CHIP_ID) \
 101                 --entry $(LOADER_ENTRY) --load-addr $(LOADER_ENTRY) \
 102                 --info1 "$(call Image/LimitName16,$(DEVICE_NAME))" \
 103                 --info2 "$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))" \
 104                 $(call rootfspad/$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))) \
 105                 $(CFE_EXTRAS) $(1)
 106 endef
 107
 108 define Build/cfe-jffs2
 109         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
 110                 --big-endian \
 111                 --pad \
 112                 --no-cleanmarkers \
 113                 --eraseblock=$(patsubst %k,%KiB,$(BLOCKSIZE)) \
 114                 --root=$(1) \
 115                 --output=$@ \
 116                 --compression-mode=none
 117
 118         $(call Build/pad-to,$(BLOCKSIZE))
 119 endef
 120
 121 define Build/cfe-jffs2-cferam
 122         mv $@ $@.kernel
 123
 124         rm -rf $@-cferam
 125         mkdir -p $@-cferam
 126
 127         # CFE ROM checks JFFS2 dirent version of cferam.
 128         # If version is not > 0 it will ignore the fs entry.
 129         # JFFS2 sets version 0 to the first fs entry and increments
 130         # it on the following ones, so let's create a dummy file that
 131         # will have version 0 and let cferam be the second (version 1).
 132         touch $@-cferam/1-openwrt
 133         # Add cferam as the last file in the JFFS2 partition
 134         cp $(KDIR)/bcm63xx-cfe/$(CFE_RAM_FILE) $@-cferam/$(CFE_RAM_JFFS2_NAME)
 135
 136         # The JFFS2 partition creation should result in the following
 137         # layout:
 138         # 1) 1-openwrt (version 0, ino 2)
 139         # 2) cferam.000 (version 1, ino 3)
 140         $(call Build/cfe-jffs2,$@-cferam)
 141
 142         # Some devices need padding between CFE RAM and kernel
 143         $(if $(CFE_RAM_JFFS2_PAD),$(call Build/pad-to,$(CFE_RAM_JFFS2_PAD)))
 144
 145         # Append kernel
 146         dd if=$@.kernel >> $@
 147         rm -f $@.kernel
 148 endef
 149
 150 define Build/cfe-jffs2-kernel
 151         rm -rf $@-kernel
 152         mkdir -p $@-kernel
 153
 154         # CFE RAM checks JFFS2 dirent version of vmlinux.
 155         # If version is not > 0 it will ignore the fs entry.
 156         # JFFS2 sets version 0 to the first fs entry and increments
 157         # it on the following ones, so let's create a dummy file that
 158         # will have version 0 and let cferam be the second (version 1).
 159         touch $@-kernel/1-openwrt
 160         # vmlinux is located on a different JFFS2 partition, but CFE RAM
 161         # ignores it, so let's create another dummy file that will match
 162         # the JFFS2 ino of cferam entry on the first JFFS2 partition.
 163         # CFE RAM won't be able to find vmlinux if cferam has the same
 164         # ino as vmlinux.
 165         touch $@-kernel/2-openwrt
 166         # Add vmlinux as the last file in the JFFS2 partition
 167         $(TOPDIR)/scripts/cfe-bin-header.py \
 168                 --input-file $@ \
 169                 --output-file $@-kernel/vmlinux.lz \
 170                 --load-addr $(LOADER_ENTRY) \
 171                 --entry-addr $(LOADER_ENTRY)
 172
 173         # The JFFS2 partition creation should result in the following
 174         # layout:
 175         # 1) 1-openwrt (version 0, ino 2)
 176         # 2) 2-openwrt (version 1, ino 3)
 177         # 3) vmlinux.lz (version 2, ino 4)
 178         $(call Build/cfe-jffs2,$@-kernel)
 179 endef
 180
 181 define Build/cfe-old-bin
 182         $(TOPDIR)/scripts/brcmImage.pl -t -p \
 183                 -o $@ -b $(CFE_BOARD_ID) -c $(CFE_CHIP_ID) \
 184                 -e $(LOADER_ENTRY) -a $(LOADER_ENTRY) \
 185                 -k $(IMAGE_KERNEL) -r $(IMAGE_ROOTFS) \
 186                 $(CFE_EXTRAS)
 187 endef
 188
 189 define Build/cfe-spw303v-bin
 190         $(STAGING_DIR_HOST)/bin/imagetag -i $(IMAGE_KERNEL) -f $(IMAGE_ROOTFS) \
 191                 --output $@ --boardid $(CFE_BOARD_ID) --chipid $(CFE_CHIP_ID) \
 192                 --entry $(LOADER_ENTRY) --load-addr $(LOADER_ENTRY) \
 193                 $(call rootfspad/$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))) \
 194                 $(CFE_EXTRAS) $(1)
 195 endef
 196
 197 define Build/cfe-wfi-tag
 198         $(TOPDIR)/scripts/cfe-wfi-tag.py \
 199                 --input-file $@ \
 200                 --output-file $@.new \
 201                 --version $(if $(1),$(1),$(CFE_WFI_VERSION)) \
 202                 --chip-id $(CFE_WFI_CHIP_ID) \
 203                 --flash-type $(CFE_WFI_FLASH_TYPE) \
 204                 $(if $(CFE_WFI_FLAGS),--flags $(CFE_WFI_FLAGS))
 205         mv $@.new $@
 206 endef
 207
 208 define Build/spw303v-bin
 209         $(STAGING_DIR_HOST)/bin/spw303v -i $@ -o $@.spw303v
 210         mv $@.spw303v $@
 211 endef
 212
 213 define Build/zyxel-bin
 214         $(STAGING_DIR_HOST)/bin/zyxbcm -i $@ -o $@.zyxel
 215         mv $@.zyxel $@
 216 endef
 217
 218 define Build/redboot-bin
 219         # Prepare kernel and rootfs
 220         dd if=$(IMAGE_KERNEL) of=$(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz bs=65536 conv=sync
 221         dd if=$(IMAGE_ROOTFS) of=$(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(IMAGE_ROOTFS)) bs=64k conv=sync
 222         echo -ne \\xDE\\xAD\\xC0\\xDE >> $(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(IMAGE_ROOTFS))
 223         # Generate the scripted image
 224         $(TOPDIR)/scripts/redboot-script.pl \
 225                 -k $(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz \
 226                 -r $(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(IMAGE_ROOTFS)) \
 227                 -a $(strip $(LOADER_ENTRY)) -f 0xbe430000 -l 0x7c0000 \
 228                 -s 0x1000 -t 20 -o $@.redbootscript
 229         dd if="$@.redbootscript" of="$@.redbootscript.padded" bs=4096 conv=sync
 230         cat \
 231                 "$@.redbootscript.padded" \
 232                 "$(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz" \
 233                 "$(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(IMAGE_ROOTFS))" \
 234                 > "$@"
 235 endef
 236
 237 define Device/Default
 238   PROFILES = Default $$(DEVICE_NAME)
 239   KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
 240   KERNEL_INITRAMFS_SUFFIX := .elf
 241   DEVICE_DTS_DIR := ../dts
 242   SOC = bcm$$(CFE_CHIP_ID)
 243   DEVICE_DTS = $$(SOC)-$(subst _,-,$(1))
 244 endef
 245
 246 ATH5K_PACKAGES := kmod-ath5k wpad-basic
 247 ATH9K_PACKAGES := kmod-ath9k wpad-basic
 248 B43_PACKAGES := kmod-b43 wpad-basic
 249 BRCMWL_PACKAGES := kmod-brcm-wl nas wlc
 250 RT28_PACKAGES := kmod-rt2800-pci wpad-basic
 251 RT61_PACKAGES := kmod-rt61-pci wpad-basic
 252 USB1_PACKAGES := kmod-usb-ohci kmod-usb-ledtrig-usbport
 253 USB2_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-usb-ledtrig-usbport
 254
 255 include bcm63xx.mk
 256
 257 ifeq ($(SUBTARGET),smp)
 258 include bcm63xx_nand.mk
 259 endif
 260
 261 $(eval $(call BuildImage))