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=$(LZMA_TEXT_START) \
  21                 CHIP_ID=$(CHIP_ID)
  22
  23 RELOCATE_MAKEOPTS= \
  24                 CACHELINE_SIZE=16 \
  25                 KERNEL_ADDR=$(KERNEL_LOADADDR) \
  26                 CROSS_COMPILE=$(TARGET_CROSS) \
  27                 LZMA_TEXT_START=$(LOADER_ENTRY)
  28
  29 define Build/Compile
  30         rm -rf $(KDIR)/relocate
  31         $(CP) ../../generic/image/relocate $(KDIR)
  32         $(MAKE) -C $(KDIR)/relocate $(RELOCATE_MAKEOPTS)
  33 endef
  34
  35 ### Kernel scripts ###
  36 define Build/hcs-initramfs
  37         $(STAGING_DIR_HOST)/bin/hcsmakeimage --magic_bytes=$(HCS_MAGIC_BYTES) \
  38                 --rev_maj=$(HCS_REV_MAJ) --rev_min=$(HCS_REV_MIN) --input_file=$@ \
  39                 --output_file=$@.hcs --ldaddress=$(KERNEL_LOADADDR)
  40         mv $@.hcs $@
  41 endef
  42
  43 define Build/loader-lzma
  44         rm -rf $@.src
  45         $(MAKE) -C lzma-loader \
  46                 $(LOADER_MAKEOPTS) \
  47                 PKG_BUILD_DIR="$@.src" \
  48                 TARGET_DIR="$(dir $@)" \
  49                 LOADER_DATA="$@" \
  50                 LOADER_NAME="$(notdir $@)" \
  51                 compile loader.$(1)
  52         mv "$@.$(1)" "$@"
  53         rm -rf $@.src
  54 endef
  55
  56 define Build/lzma-cfe
  57         # CFE is a LZMA nazi! It took me hours to find out the parameters!
  58         # Also I think lzma has a bug cause it generates different output depending on
  59         # if you use stdin / stdout or not. Use files instead of stdio here, cause
  60         # otherwise CFE will complain and not boot the image.
  61         $(call Build/lzma-no-dict,-d22 -fb64 -a1)
  62         # Strip out the length, CFE doesn't like this
  63         dd if=$@ of=$@.new bs=5 count=1
  64         dd if=$@ of=$@.new ibs=13 obs=5 skip=1 seek=1 conv=notrunc
  65         mv $@.new $@
  66 endef
  67
  68 define Build/relocate-kernel
  69         # CFE only allows ~4 MiB for the uncompressed kernels, but uncompressed
  70         # kernel might get larger than that, so let CFE unpack and load at a
  71         # higher address and make the kernel relocate itself to the expected
  72         # location.
  73         ( \
  74                 dd if=$(KDIR)/relocate/loader.bin bs=32 conv=sync && \
  75                 perl -e '@s = stat("$@"); print pack("N", @s[7])' && \
  76                 cat $@ \
  77         ) > $@.relocate
  78         mv $@.relocate $@
  79 endef
  80
  81 ### Image scripts ###
  82 define rootfspad/jffs2-128k
  83 --align-rootfs
  84 endef
  85 define rootfspad/jffs2-64k
  86 --align-rootfs
  87 endef
  88 define rootfspad/squashfs
  89 endef
  90
  91 define Image/LimitName16
  92 $(shell expr substr "$(1)" 1 16)
  93 endef
  94
  95 define Image/FileSystemStrip
  96 $(firstword $(subst +,$(space),$(subst root.,,$(notdir $(1)))))
  97 endef
  98
  99 define Build/ad1018-jffs2-cferam
 100         mv $@ $@.kernel
 101
 102         rm -rf $@-cferam
 103         mkdir -p $@-cferam
 104
 105         # CFE RAM JFFS2 partition
 106         cp $(KDIR)/bcm63xx-cfe/$(CFE_RAM_FILE) $@-cferam/$(CFE_RAM_JFFS2_NAME)
 107         $(call Build/cfe-jffs2,$@-cferam)
 108         mv $@ $@.cferam
 109
 110         # First block of CFE RAM 1 will be destroyed by MMAP
 111         dd if=$@.cferam bs=$(BLOCKSIZE) count=1 > $@
 112         dd if=$@.cferam >> $@
 113         $(call Build/pad-to,896k)
 114
 115         # CFE RAM 2
 116         dd if=$@.cferam >> $@
 117
 118         # Append kernel @ 4M
 119         $(call Build/pad-to,4096k)
 120         dd if=$@.kernel >> $@
 121         rm -f $@.kernel
 122 endef
 123
 124 define Build/cfe-bin
 125         $(STAGING_DIR_HOST)/bin/imagetag -i $(IMAGE_KERNEL) -f $(IMAGE_ROOTFS) \
 126                 --output $@ --boardid $(CFE_BOARD_ID) --chipid $(CHIP_ID) \
 127                 --entry $(LOADER_ENTRY) --load-addr $(LOADER_ENTRY) \
 128                 --info1 "$(call Image/LimitName16,$(DEVICE_NAME))" \
 129                 --info2 "$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))" \
 130                 $(call rootfspad/$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))) \
 131                 $(CFE_EXTRAS) $(1)
 132 endef
 133
 134 define Build/cfe-jffs2
 135         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
 136                 --big-endian \
 137                 --pad \
 138                 --no-cleanmarkers \
 139                 --eraseblock=$(patsubst %k,%KiB,$(BLOCKSIZE)) \
 140                 --root=$(1) \
 141                 --output=$@ \
 142                 --compression-mode=none
 143
 144         $(call Build/pad-to,$(BLOCKSIZE))
 145 endef
 146
 147 define Build/cfe-jffs2-cferam
 148         mv $@ $@.kernel
 149
 150         rm -rf $@-cferam
 151         mkdir -p $@-cferam
 152
 153         # CFE ROM checks JFFS2 dirent version of cferam.
 154         # If version is not > 0 it will ignore the fs entry.
 155         # JFFS2 sets version 0 to the first fs entry and increments
 156         # it on the following ones, so let's create a dummy file that
 157         # will have version 0 and let cferam be the second (version 1).
 158         touch $@-cferam/1-openwrt
 159         # Add cferam as the last file in the JFFS2 partition
 160         cp $(KDIR)/bcm63xx-cfe/$(CFE_RAM_FILE) $@-cferam/$(CFE_RAM_JFFS2_NAME)
 161
 162         # The JFFS2 partition creation should result in the following
 163         # layout:
 164         # 1) 1-openwrt (version 0, ino 2)
 165         # 2) cferam.000 (version 1, ino 3)
 166         $(call Build/cfe-jffs2,$@-cferam)
 167
 168         # Some devices need padding between CFE RAM and kernel
 169         $(if $(CFE_RAM_JFFS2_PAD),$(call Build/pad-to,$(CFE_RAM_JFFS2_PAD)))
 170
 171         # Append kernel
 172         dd if=$@.kernel >> $@
 173         rm -f $@.kernel
 174 endef
 175
 176 define Build/cfe-jffs2-kernel
 177         rm -rf $@-kernel
 178         mkdir -p $@-kernel
 179
 180         # CFE RAM checks JFFS2 dirent version of vmlinux.
 181         # If version is not > 0 it will ignore the fs entry.
 182         # JFFS2 sets version 0 to the first fs entry and increments
 183         # it on the following ones, so let's create a dummy file that
 184         # will have version 0 and let cferam be the second (version 1).
 185         touch $@-kernel/1-openwrt
 186         # vmlinux is located on a different JFFS2 partition, but CFE RAM
 187         # ignores it, so let's create another dummy file that will match
 188         # the JFFS2 ino of cferam entry on the first JFFS2 partition.
 189         # CFE RAM won't be able to find vmlinux if cferam has the same
 190         # ino as vmlinux.
 191         touch $@-kernel/2-openwrt
 192         # Add vmlinux as the last file in the JFFS2 partition
 193         $(TOPDIR)/scripts/cfe-bin-header.py \
 194                 --input-file $@ \
 195                 --output-file $@-kernel/vmlinux.lz \
 196                 --load-addr $(LOADER_ENTRY) \
 197                 --entry-addr $(LOADER_ENTRY)
 198
 199         # The JFFS2 partition creation should result in the following
 200         # layout:
 201         # 1) 1-openwrt (version 0, ino 2)
 202         # 2) 2-openwrt (version 1, ino 3)
 203         # 3) vmlinux.lz (version 2, ino 4)
 204         $(call Build/cfe-jffs2,$@-kernel)
 205 endef
 206
 207 define Build/cfe-old-bin
 208         $(TOPDIR)/scripts/brcmImage.pl -t -p \
 209                 -o $@ -b $(CFE_BOARD_ID) -c $(CHIP_ID) \
 210                 -e $(LOADER_ENTRY) -a $(LOADER_ENTRY) \
 211                 -k $(IMAGE_KERNEL) -r $(IMAGE_ROOTFS) \
 212                 $(CFE_EXTRAS)
 213 endef
 214
 215 define Build/cfe-spw303v-bin
 216         $(STAGING_DIR_HOST)/bin/imagetag -i $(IMAGE_KERNEL) -f $(IMAGE_ROOTFS) \
 217                 --output $@ --boardid $(CFE_BOARD_ID) --chipid $(CHIP_ID) \
 218                 --entry $(LOADER_ENTRY) --load-addr $(LOADER_ENTRY) \
 219                 $(call rootfspad/$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))) \
 220                 $(CFE_EXTRAS) $(1)
 221 endef
 222
 223 define Build/cfe-wfi-tag
 224         $(TOPDIR)/scripts/cfe-wfi-tag.py \
 225                 --input-file $@ \
 226                 --output-file $@.new \
 227                 --version $(if $(1),$(1),$(CFE_WFI_VERSION)) \
 228                 --chip-id $(CFE_WFI_CHIP_ID) \
 229                 --flash-type $(CFE_WFI_FLASH_TYPE) \
 230                 $(if $(CFE_WFI_FLAGS),--flags $(CFE_WFI_FLAGS))
 231         mv $@.new $@
 232 endef
 233
 234 define Build/spw303v-bin
 235         $(STAGING_DIR_HOST)/bin/spw303v -i $@ -o $@.spw303v
 236         mv $@.spw303v $@
 237 endef
 238
 239 define Build/zyxel-bin
 240         $(STAGING_DIR_HOST)/bin/zyxbcm -i $@ -o $@.zyxel
 241         mv $@.zyxel $@
 242 endef
 243
 244 define Build/redboot-bin
 245         # Prepare kernel and rootfs
 246         dd if=$(IMAGE_KERNEL) of=$(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz bs=65536 conv=sync
 247         dd if=$(IMAGE_ROOTFS) of=$(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(IMAGE_ROOTFS)) bs=64k conv=sync
 248         echo -ne \\xDE\\xAD\\xC0\\xDE >> $(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(IMAGE_ROOTFS))
 249         # Generate the scripted image
 250         $(TOPDIR)/scripts/redboot-script.pl \
 251                 -k $(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz \
 252                 -r $(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(IMAGE_ROOTFS)) \
 253                 -a $(strip $(LOADER_ENTRY)) -f 0xbe430000 -l 0x7c0000 \
 254                 -s 0x1000 -t 20 -o $@.redbootscript
 255         dd if="$@.redbootscript" of="$@.redbootscript.padded" bs=4096 conv=sync
 256         cat \
 257                 "$@.redbootscript.padded" \
 258                 "$(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz" \
 259                 "$(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(IMAGE_ROOTFS))" \
 260                 > "$@"
 261 endef
 262
 263 define Device/Default
 264   PROFILES = Default $$(DEVICE_NAME)
 265   KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
 266   KERNEL_INITRAMFS_SUFFIX := .elf
 267   DEVICE_DTS_DIR := ../dts
 268   CHIP_ID :=
 269   SOC = bcm$$(CHIP_ID)
 270   DEVICE_DTS = $$(SOC)-$(subst _,-,$(1))
 271 endef
 272 DEVICE_VARS += CHIP_ID
 273
 274 ATH5K_PACKAGES := kmod-ath5k wpad-basic
 275 ATH9K_PACKAGES := kmod-ath9k wpad-basic
 276 B43_PACKAGES := kmod-b43 wpad-basic
 277 BRCMWL_PACKAGES := kmod-brcm-wl nas wlc
 278 RT28_PACKAGES := kmod-rt2800-pci wpad-basic
 279 RT61_PACKAGES := kmod-rt61-pci wpad-basic
 280 USB1_PACKAGES := kmod-usb-ohci kmod-usb-ledtrig-usbport
 281 USB2_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-usb-ledtrig-usbport
 282
 283 include bcm63xx.mk
 284
 285 ifeq ($(SUBTARGET),smp)
 286 include bcm63xx_nand.mk
 287 endif
 288
 289 $(eval $(call BuildImage))