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-old-bin
 109         $(TOPDIR)/scripts/brcmImage.pl -t -p \
 110                 -o $@ -b $(CFE_BOARD_ID) -c $(CFE_CHIP_ID) \
 111                 -e $(LOADER_ENTRY) -a $(LOADER_ENTRY) \
 112                 -k $(IMAGE_KERNEL) -r $(IMAGE_ROOTFS) \
 113                 $(CFE_EXTRAS)
 114 endef
 115
 116 define Build/cfe-spw303v-bin
 117         $(STAGING_DIR_HOST)/bin/imagetag -i $(IMAGE_KERNEL) -f $(IMAGE_ROOTFS) \
 118                 --output $@ --boardid $(CFE_BOARD_ID) --chipid $(CFE_CHIP_ID) \
 119                 --entry $(LOADER_ENTRY) --load-addr $(LOADER_ENTRY) \
 120                 $(call rootfspad/$(call Image/FileSystemStrip,$(IMAGE_ROOTFS))) \
 121                 $(CFE_EXTRAS) $(1)
 122 endef
 123
 124 define Build/spw303v-bin
 125         $(STAGING_DIR_HOST)/bin/spw303v -i $@ -o $@.spw303v
 126         mv $@.spw303v $@
 127 endef
 128
 129 define Build/zyxel-bin
 130         $(STAGING_DIR_HOST)/bin/zyxbcm -i $@ -o $@.zyxel
 131         mv $@.zyxel $@
 132 endef
 133
 134 define Build/redboot-bin
 135         # Prepare kernel and rootfs
 136         dd if=$(IMAGE_KERNEL) of=$(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz bs=65536 conv=sync
 137         dd if=$(IMAGE_ROOTFS) of=$(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(IMAGE_ROOTFS)) bs=64k conv=sync
 138         echo -ne \\xDE\\xAD\\xC0\\xDE >> $(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(IMAGE_ROOTFS))
 139         # Generate the scripted image
 140         $(TOPDIR)/scripts/redboot-script.pl \
 141                 -k $(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz \
 142                 -r $(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(IMAGE_ROOTFS)) \
 143                 -a $(strip $(LOADER_ENTRY)) -f 0xbe430000 -l 0x7c0000 \
 144                 -s 0x1000 -t 20 -o $@.redbootscript
 145         dd if="$@.redbootscript" of="$@.redbootscript.padded" bs=4096 conv=sync
 146         cat \
 147                 "$@.redbootscript.padded" \
 148                 "$(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz" \
 149                 "$(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(IMAGE_ROOTFS))" \
 150                 > "$@"
 151 endef
 152
 153 define Device/Default
 154   PROFILES = Default $$(DEVICE_NAME)
 155   KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
 156   KERNEL_INITRAMFS_SUFFIX := .elf
 157   DEVICE_DTS_DIR := ../dts
 158   SOC = bcm$$(CFE_CHIP_ID)
 159   DEVICE_DTS = $$(SOC)-$(subst _,-,$(1))
 160 endef
 161
 162 ATH5K_PACKAGES := kmod-ath5k wpad-basic
 163 ATH9K_PACKAGES := kmod-ath9k wpad-basic
 164 B43_PACKAGES := kmod-b43 wpad-basic
 165 BRCMWL_PACKAGES := kmod-brcm-wl nas wlc
 166 RT28_PACKAGES := kmod-rt2800-pci wpad-basic
 167 RT61_PACKAGES := kmod-rt61-pci wpad-basic
 168 USB1_PACKAGES := kmod-usb-ohci kmod-usb-ledtrig-usbport
 169 USB2_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-usb-ledtrig-usbport
 170
 171 include bcm63xx.mk
 172
 173 $(eval $(call BuildImage))