From a57d6e2d47688cfa392d6ea7f36ae6f9d84affc5 Mon Sep 17 00:00:00 2001 From: Chris Blake Date: Wed, 20 Jul 2016 15:44:51 +0200 Subject: apm821xx: add support for the Cisco Meraki MR24 This patch adds support for the Cisco Meraki MR24 Access point to the apm821xx target. Board: MR24 - Meraki MR24 Cloud Managed Access Point CPU: APM82181 SoC 800 MHz (PLB=200 OPB=100 EBC=100) Flash size: 32MiB RAM Size: 128MiB Wireless: Atheros AR9380 5.0GHz + Atheros AR9380 2.4GHz Ethernet ports: 1x Gigabit Atheros AR8035 WARNING: The serial port needs a TTL/RS-232 v3.3 level converter! For flashing instructions, visit: Signed-off-by: Chris Blake --- target/linux/apm821xx/dts/MR24.dts | 433 +++++++++++++++++++++++++++++++++++++ 1 file changed, 433 insertions(+) create mode 100644 target/linux/apm821xx/dts/MR24.dts (limited to 'target/linux/apm821xx/dts/MR24.dts') diff --git a/target/linux/apm821xx/dts/MR24.dts b/target/linux/apm821xx/dts/MR24.dts new file mode 100644 index 0000000000..1e186e6f04 --- /dev/null +++ b/target/linux/apm821xx/dts/MR24.dts @@ -0,0 +1,433 @@ +/* + * Device Tree Source for Meraki MR24 (Ikarem) + * + * Copyright (C) 2016 Chris Blake + * + * 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 = ; + 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"; + }; +}; -- cgit v1.2.3