--- /dev/null
+/*
+ * Device Tree Source for Meraki MR24 (Ikarem)
+ *
+ * Copyright (C) 2016 Chris Blake <chrisrblake93@gmail.com>
+ *
+ * Based on Cisco Meraki GPL Release r23-20150601 MR24 DTS
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without
+ * any warranty of any kind, whether express or implied.
+ */
+
+/dts-v1/;
+
+/ {
+ #address-cells = <2>;
+ #size-cells = <1>;
+ model = "Meraki MR24 Access Point";
+ compatible = "meraki,ikarem";
+ dcr-parent = <&{/cpus/cpu@0}>;
+
+ aliases {
+ ethernet0 = &EMAC0;
+ serial0 = &UART0;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ model = "PowerPC,apm821xx";
+ reg = <0x00000000>;
+ clock-frequency = <0>; /* Filled in by U-Boot */
+ timebase-frequency = <0>; /* Filled in by U-Boot */
+ i-cache-line-size = <32>;
+ d-cache-line-size = <32>;
+ i-cache-size = <32768>;
+ d-cache-size = <32768>;
+ dcr-controller;
+ dcr-access-method = "native";
+ next-level-cache = <&L2C0>;
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by U-Boot */
+ };
+
+ UIC0: interrupt-controller0 {
+ compatible = "ibm,uic";
+ interrupt-controller;
+ cell-index = <0>;
+ dcr-reg = <0x0c0 0x009>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ #interrupt-cells = <2>;
+ };
+
+ UIC1: interrupt-controller1 {
+ compatible = "ibm,uic";
+ interrupt-controller;
+ cell-index = <1>;
+ dcr-reg = <0x0d0 0x009>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ #interrupt-cells = <2>;
+ interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
+ interrupt-parent = <&UIC0>;
+ };
+
+ UIC2: interrupt-controller2 {
+ compatible = "ibm,uic";
+ interrupt-controller;
+ cell-index = <2>;
+ dcr-reg = <0x0e0 0x009>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ #interrupt-cells = <2>;
+ interrupts = <0xa 0x4 0xb 0x4>; /* cascade */
+ interrupt-parent = <&UIC0>;
+ };
+
+ UIC3: interrupt-controller3 {
+ compatible = "ibm,uic";
+ interrupt-controller;
+ cell-index = <3>;
+ dcr-reg = <0x0f0 0x009>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ #interrupt-cells = <2>;
+ interrupts = <0x10 0x4 0x11 0x4>; /* cascade */
+ interrupt-parent = <&UIC0>;
+ };
+
+ /* KPH check the following */
+ OCM: ocm@400040000 {
+ compatible = "ibm,ocm";
+ status = "okay";
+ cell-index = <1>;
+ /* configured in U-Boot */
+ reg = <4 0x00040000 0x8000>; /* 32K */
+ };
+
+ SDR0: sdr {
+ compatible = "ibm,sdr-apm821xx";
+ dcr-reg = <0x00e 0x002>;
+ };
+
+ CPR0: cpr {
+ compatible = "ibm,cpr-apm821xx";
+ dcr-reg = <0x00c 0x002>;
+ };
+
+ L2C0: l2c {
+ compatible = "ibm,l2-cache-apm82181", "ibm,l2-cache";
+ dcr-reg = <0x020 0x008
+ 0x030 0x008>;
+ cache-line-size = <32>;
+ cache-size = <262144>;
+ interrupt-parent = <&UIC1>;
+ interrupts = <11 1>;
+ };
+
+ /* kph check the below */
+ CPM0: cpm {
+ compatible = "ibm,cpm-apm821xx", "ibm,cpm";
+ cell-index = <0>;
+ dcr-reg = <0x160 0x003>;
+ pm-cpu = <0x02000000>;
+ pm-doze = <0x302570F0>;
+ pm-nap = <0x302570F0>;
+ pm-deepsleep = <0x302570F0>;
+ pm-iic-device = <&IIC0>;
+ pm-emac-device = <&EMAC0>;
+ };
+
+ plb {
+ compatible = "ibm,plb4";
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges;
+ clock-frequency = <0>; /* Filled in by U-Boot */
+
+ SDRAM0: sdram {
+ compatible = "ibm,sdram-apm821xx";
+ dcr-reg = <0x010 0x002>;
+ };
+
+ /* kph check the below */
+ CRYPTO: crypto@180000 {
+ compatible = "amcc,ppc460ex-crypto", "amcc,ppc4xx-crypto";
+ reg = <4 0x00180000 0x80400>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x1d 0x4>;
+ };
+
+ /* kph check the below */
+ PKA: pka@114000 {
+ device_type = "pka";
+ compatible = "ppc4xx-pka", "amcc,ppc4xx-pka";
+ reg = <4 0x00114000 0x4000>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x14 0x2>;
+ };
+
+ /* kph check the below */
+ TRNG: trng@110000 {
+ compatible = "ppc4xx-trng", "amcc,ppc460ex-rng";
+ reg = <4 0x00110000 0x50>;
+ interrupt-parent = <&UIC1>;
+ interrupts = <0x3 0x2>;
+ };
+
+ MAL0: mcmal {
+ compatible = "ibm,mcmal2";
+ descriptor-memory = "ocm";
+ dcr-reg = <0x180 0x062>;
+ num-tx-chans = <1>;
+ num-rx-chans = <1>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ interrupt-parent = <&UIC2>;
+ interrupts = < /*TXEOB*/ 0x6 0x4
+ /*RXEOB*/ 0x7 0x4
+ /*SERR*/ 0x3 0x4
+ /*TXDE*/ 0x4 0x4
+ /*RXDE*/ 0x5 0x4>;
+ };
+
+ POB0: opb {
+ compatible = "ibm,opb";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;
+ clock-frequency = <0>; /* Filled in by U-Boot */
+
+ EBC0: ebc {
+ compatible = "ibm,ebc";
+ dcr-reg = <0x012 0x002>;
+ #address-cells = <2>;
+ #size-cells = <1>;
+ clock-frequency = <0>; /* Filled in by U-Boot */
+ /* ranges property is supplied by U-Boot */
+ ranges = < 0x00000003 0x00000000 0xe0000000 0x8000000>;
+ interrupts = <0x6 0x4>;
+ interrupt-parent = <&UIC1>;
+
+ /* Ikarem has 32MB of NAND */
+ ndfc@1,0 {
+ compatible = "ibm,ndfc";
+ reg = <00000003 00000000 00000400>;
+ ccr = <0x00001000>;
+ bank-settings = <0x80002222>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ /* 32 MiB NAND Flash */
+ nand {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ partition@0 {
+ label = "u-boot";
+ reg = <0x00000000 0x00170000>;
+ read-only;
+ };
+ partition@170000 {
+ label = "oops";
+ reg = <0x00170000 0x00010000>;
+ };
+ partition@180000 {
+ label = "ubi";
+ reg = <0x00180000 0x01e80000>;
+ };
+ };
+ };
+ };
+
+ UART0: serial@ef600400 {
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0xef600400 0x00000008>;
+ virtual-reg = <0xef600400>;
+ clock-frequency = <0>; /* Filled in by U-Boot */
+ current-speed = <0>; /* Filled in by U-Boot */
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x1 0x4>;
+ };
+
+ GPIO0: gpio@ef600b00 {
+ compatible = "ibm,ppc4xx-gpio";
+ reg = <0xef600b00 0x00000048>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+ power-green {
+ label = "mr24:green:power";
+ gpios = <&GPIO0 18 1>;
+ };
+ power-orange {
+ label = "mr24:orange:power";
+ gpios = <&GPIO0 19 1>;
+ };
+ lan {
+ label = "mr24:green:wan";
+ gpios = <&GPIO0 17 1>;
+ };
+ ssi-0 {
+ label = "mr24:green:wifi1";
+ gpios = <&GPIO0 23 1>;
+ };
+ ssi-1 {
+ label = "mr24:green:wifi2";
+ gpios = <&GPIO0 22 1>;
+ };
+ ssi-2 {
+ label = "mr24:green:wifi3";
+ gpios = <&GPIO0 21 1>;
+ };
+ ssi-3 {
+ label = "mr24:green:wifi4";
+ gpios = <&GPIO0 20 1>;
+ };
+ };
+
+ gpio_keys_polled {
+ compatible = "gpio-keys-polled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ poll-interval = <60>; /* 3 * 20 = 60ms */
+ autorepeat;
+ button@1 {
+ label = "Reset button";
+ linux,code = <0x198>; /* KEY_RESTART */
+ gpios = <&GPIO0 16 1>;
+ };
+ };
+
+ IIC0: i2c@ef600700 {
+ compatible = "ibm,iic";
+ reg = <0xef600700 0x00000014>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x2 0x4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ /* Boot ROM is at 0x52-0x53, do not touch */
+ /* Unknown chip at 0x6e, not sure what it is */
+ };
+
+ IIC1: i2c@ef600800 {
+ compatible = "ibm,iic";
+ reg = <0xef600800 0x00000014>;
+ interrupt-parent = <&UIC0>;
+ interrupts = <0x3 0x4>;
+ };
+
+ RGMII0: emac-rgmii@ef601500 {
+ compatible = "ibm,rgmii";
+ reg = <0xef601500 0x00000008>;
+ has-mdio;
+ };
+
+ TAH0: emac-tah@ef601350 {
+ compatible = "ibm,tah";
+ reg = <0xef601350 0x00000030>;
+ };
+
+ EMAC0: ethernet@ef600c00 {
+ device_type = "network";
+ compatible = "ibm,emac-apm821xx", "ibm,emac4sync";
+ interrupt-parent = <&EMAC0>;
+ interrupts = <0x0 0x1>;
+ #interrupt-cells = <1>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4
+ /*Wake*/ 0x1 &UIC2 0x14 0x4>;
+ reg = <0xef600c00 0x000000c4>;
+ local-mac-address = [000000000000]; /* Filled in by U-Boot */
+ mal-device = <&MAL0>;
+ mal-tx-channel = <0>;
+ mal-rx-channel = <0>;
+ cell-index = <0>;
+ max-frame-size = <9000>;
+ rx-fifo-size = <16384>;
+ tx-fifo-size = <2048>;
+ phy-mode = "rgmii";
+ phy-map = <0x00000000>;
+ rgmii-device = <&RGMII0>;
+ rgmii-channel = <0>;
+ tah-device = <&TAH0>;
+ tah-channel = <0>;
+ has-inverted-stacr-oc;
+ has-new-stacr-staopc;
+ };
+ };
+
+ PCIE0: pciex@d00000000 {
+ device_type = "pci";
+ #interrupt-cells = <1>;
+ #size-cells = <2>;
+ #address-cells = <3>;
+ compatible = "ibm,plb-pciex-apm821xx", "ibm,plb-pciex";
+ primary;
+ port = <0x0>; /* port number */
+ reg = <0x0000000d 0x00000000 0x20000000 /* Config space access */
+ 0x0000000c 0x08010000 0x00001000>; /* Registers */
+ dcr-reg = <0x100 0x020>;
+ sdr-base = <0x300>;
+
+ /* Outbound ranges, one memory and one IO,
+ * later cannot be changed
+ */
+ ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x00000000 0x00000000 0x80000000
+ 0x02000000 0x00000000 0x00000000 0x0000000f 0x00000000 0x00000000 0x00100000
+ 0x01000000 0x00000000 0x00000000 0x0000000f 0x80000000 0x00000000 0x00010000>;
+
+ /* Inbound 2GB range starting at 0 */
+ dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
+
+ /* This drives busses 40 to 0x7f */
+ bus-range = <0x40 0x7f>;
+
+ /* Legacy interrupts (note the weird polarity, the bridge seems
+ * to invert PCIe legacy interrupts).
+ * We are de-swizzling here because the numbers are actually for
+ * port of the root complex virtual P2P bridge. But I want
+ * to avoid putting a node for it in the tree, so the numbers
+ * below are basically de-swizzled numbers.
+ * The real slot is on idsel 0, so the swizzling is 1:1
+ */
+ interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+ interrupt-map = <
+ 0x0 0x0 0x0 0x1 &UIC3 0xc 0x4 /* swizzled int A */
+ 0x0 0x0 0x0 0x2 &UIC3 0xd 0x4 /* swizzled int B */
+ 0x0 0x0 0x0 0x3 &UIC3 0xe 0x4 /* swizzled int C */
+ 0x0 0x0 0x0 0x4 &UIC3 0xf 0x4 /* swizzled int D */>;
+ };
+
+ MSI: ppc4xx-msi@C10000000 {
+ compatible = "amcc,ppc4xx-msi", "ppc4xx-msi";
+ reg = < 0xC 0x10000000 0x100
+ 0xC 0x10000000 0x100>;
+ sdr-base = <0x36C>;
+ msi-data = <0x00004440>;
+ msi-mask = <0x0000ffe0>;
+ interrupts =<0 1 2 3 4 5 6 7>;
+ interrupt-parent = <&MSI>;
+ #interrupt-cells = <1>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ msi-available-ranges = <0x0 0x100>;
+ interrupt-map = <
+ 0 &UIC3 0x18 1
+ 1 &UIC3 0x19 1
+ 2 &UIC3 0x1A 1
+ 3 &UIC3 0x1B 1
+ 4 &UIC3 0x1C 1
+ 5 &UIC3 0x1D 1
+ 6 &UIC3 0x1E 1
+ 7 &UIC3 0x1F 1
+ >;
+ };
+ };
+
+ chosen {
+ linux,stdout-path = "/plb/opb/serial@ef600400";
+ };
+};
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
+include $(INCLUDE_DIR)/host.mk
-IMAGE_PROFILE:=$(if $(PROFILE),$(PROFILE),Default)
-
-DEVICE_VARS += DTS IMAGE_SIZE
+DEVICE_VARS += DEVICE_DTS DEVICE_PROFILE IMAGE_SIZE DTB_SIZE
define Device/Default
- BOARDNAME :=
- DEVICE_PROFILE = $$(BOARDNAME)
- PROFILES = Default $$(DEVICE_PROFILE)
- KERNEL_DEPENDS = $$(wildcard ../dts/$$(DTS).dts)
- KERNEL := kernel-bin | lzma | uImage lzma
- KERNEL_INITRAMFS := kernel-bin | lzma | uImage lzma
+ KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
+ DEVICE_PROFILE :=
+ DEVICE_DTS :=
+ KERNEL_ENTRY := 0x00000000
+ KERNEL_LOADADDR := 0x00000000
+endef
+
+define Build/dtb
+ $(call Image/BuildDTB,../dts/$(DEVICE_DTS).dts,$@.dtb,,--space $(DTB_SIZE))
+endef
+
+ifeq ($(SUBTARGET),nand)
+
+define Image/cpiogz
+ ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(KDIR_TMP)/$(IMG_PREFIX)-rootfs.cpio.gz )
+endef
+
+define Build/copy-file
+ cat "$(1)" > "$@"
+endef
+
+define Build/MerakiAdd-dtb
+ $(call Image/BuildDTB,../dts/$(DEVICE_DTS).dts,$@.dtb)
+ ( \
+ dd if=$@.dtb bs=$(DTB_SIZE) conv=sync; \
+ dd if=$@ bs=$(BLOCKSIZE) conv=sync; \
+ ) > $@.new
+ @mv $@.new $@
endef
-TARGET_DEVICES += Default
+
+define Build/MerakiAdd-initramfs
+ $(call Image/cpiogz)
+
+ -$(STAGING_DIR_HOST)/bin/mkimage -A $(LINUX_KARCH) -O linux -T ramdisk \
+ -C gzip -n "$(PROFILE) rootfs" \
+ -d $(KDIR_TMP)/$(IMG_PREFIX)-rootfs.cpio.gz \
+ $(KDIR_TMP)/$(IMG_PREFIX)-uramdisk.image.gz
+
+ ( \
+ dd if=$@ bs=1k conv=sync; \
+ dd if=$(KDIR_TMP)/$(IMG_PREFIX)-uramdisk.image.gz bs=$(BLOCKSIZE) conv=sync; \
+ ) > $@.new
+ @mv $@.new $@
+endef
+
+define Build/MerakiNAND
+ -$(STAGING_DIR_HOST)/bin/mkmerakifw \
+ -B $(DEVICE_PROFILE) -s \
+ -i $@ \
+ -o $@.new
+ @cp $@.new $@
+endef
+
+define Device/mr24
+ DEVICE_TITLE := Cisco Meraki MR24
+ DEVICE_PACKAGES := kmod-spi-gpio kmod-ath9k wpad-mini
+ DEVICE_PROFILE := MR24
+ DEVICE_DTS := MR24
+ BLOCKSIZE := 64512
+ IMAGES := sysupgrade.tar
+ DTB_SIZE := 64512
+ KERNEL_SIZE := 2048k
+ IMAGE_SIZE := 8191k
+ KERNEL := kernel-bin | lzma | uImage lzma | MerakiAdd-dtb | MerakiNAND
+ KERNEL_INITRAMFS := copy-file $(KDIR)/vmlinux | lzma | uImage lzma | MerakiAdd-dtb | pad-to 2047k | MerakiAdd-initramfs | MerakiNAND
+ IMAGE/sysupgrade.tar := sysupgrade-nand
+endef
+TARGET_DEVICES += mr24
$(eval $(call BuildImage))
+
+endif