1*4882a593Smuzhiyun// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2*4882a593Smuzhiyun/* 3*4882a593Smuzhiyun * Device Tree file for DB-XC3-24G4XG board 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2016 Allied Telesis Labs 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Based on armada-xp-db.dts 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * Note: this Device Tree assumes that the bootloader has remapped the 10*4882a593Smuzhiyun * internal registers to 0xf1000000 (instead of the default 11*4882a593Smuzhiyun * 0xd0000000). The 0xf1000000 is the default used by the recent, 12*4882a593Smuzhiyun * DT-capable, U-Boot bootloaders provided by Marvell. Some earlier 13*4882a593Smuzhiyun * boards were delivered with an older version of the bootloader that 14*4882a593Smuzhiyun * left internal registers mapped at 0xd0000000. If you are in this 15*4882a593Smuzhiyun * situation, you should either update your bootloader (preferred 16*4882a593Smuzhiyun * solution) or the below Device Tree should be adjusted. 17*4882a593Smuzhiyun */ 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun/dts-v1/; 20*4882a593Smuzhiyun#include "armada-xp-98dx3336.dtsi" 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun/ { 23*4882a593Smuzhiyun model = "DB-XC3-24G4XG"; 24*4882a593Smuzhiyun compatible = "marvell,db-xc3-24g4xg", "marvell,armadaxp-98dx3336", "marvell,armada-370-xp"; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun chosen { 27*4882a593Smuzhiyun bootargs = "console=ttyS0,115200 earlyprintk"; 28*4882a593Smuzhiyun }; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun memory { 31*4882a593Smuzhiyun device_type = "memory"; 32*4882a593Smuzhiyun reg = <0 0x00000000 0 0x40000000>; /* 1 GB */ 33*4882a593Smuzhiyun }; 34*4882a593Smuzhiyun}; 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun&L2 { 37*4882a593Smuzhiyun arm,parity-enable; 38*4882a593Smuzhiyun marvell,ecc-enable; 39*4882a593Smuzhiyun}; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun&devbus_bootcs { 42*4882a593Smuzhiyun status = "okay"; 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun /* Device Bus parameters are required */ 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun /* Read parameters */ 47*4882a593Smuzhiyun devbus,bus-width = <16>; 48*4882a593Smuzhiyun devbus,turn-off-ps = <60000>; 49*4882a593Smuzhiyun devbus,badr-skew-ps = <0>; 50*4882a593Smuzhiyun devbus,acc-first-ps = <124000>; 51*4882a593Smuzhiyun devbus,acc-next-ps = <248000>; 52*4882a593Smuzhiyun devbus,rd-setup-ps = <0>; 53*4882a593Smuzhiyun devbus,rd-hold-ps = <0>; 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun /* Write parameters */ 56*4882a593Smuzhiyun devbus,sync-enable = <0>; 57*4882a593Smuzhiyun devbus,wr-high-ps = <60000>; 58*4882a593Smuzhiyun devbus,wr-low-ps = <60000>; 59*4882a593Smuzhiyun devbus,ale-wr-ps = <60000>; 60*4882a593Smuzhiyun}; 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun&uart0 { 63*4882a593Smuzhiyun status = "okay"; 64*4882a593Smuzhiyun}; 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun&uart1 { 67*4882a593Smuzhiyun status = "okay"; 68*4882a593Smuzhiyun}; 69*4882a593Smuzhiyun 70*4882a593Smuzhiyun&i2c0 { 71*4882a593Smuzhiyun clock-frequency = <100000>; 72*4882a593Smuzhiyun status = "okay"; 73*4882a593Smuzhiyun}; 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun&nand_controller { 76*4882a593Smuzhiyun status = "okay"; 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun nand@0 { 79*4882a593Smuzhiyun reg = <0>; 80*4882a593Smuzhiyun label = "pxa3xx_nand-0"; 81*4882a593Smuzhiyun nand-rb = <0>; 82*4882a593Smuzhiyun marvell,nand-keep-config; 83*4882a593Smuzhiyun nand-on-flash-bbt; 84*4882a593Smuzhiyun nand-ecc-strength = <4>; 85*4882a593Smuzhiyun nand-ecc-step-size = <512>; 86*4882a593Smuzhiyun }; 87*4882a593Smuzhiyun}; 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun&spi0 { 90*4882a593Smuzhiyun status = "okay"; 91*4882a593Smuzhiyun 92*4882a593Smuzhiyun spi-flash@0 { 93*4882a593Smuzhiyun #address-cells = <1>; 94*4882a593Smuzhiyun #size-cells = <1>; 95*4882a593Smuzhiyun compatible = "m25p64"; 96*4882a593Smuzhiyun reg = <0>; /* Chip select 0 */ 97*4882a593Smuzhiyun spi-max-frequency = <20000000>; 98*4882a593Smuzhiyun m25p,fast-read; 99*4882a593Smuzhiyun 100*4882a593Smuzhiyun partition@u-boot { 101*4882a593Smuzhiyun reg = <0x00000000 0x00100000>; 102*4882a593Smuzhiyun label = "u-boot"; 103*4882a593Smuzhiyun }; 104*4882a593Smuzhiyun partition@u-boot-env { 105*4882a593Smuzhiyun reg = <0x00100000 0x00040000>; 106*4882a593Smuzhiyun label = "u-boot-env"; 107*4882a593Smuzhiyun }; 108*4882a593Smuzhiyun partition@unused { 109*4882a593Smuzhiyun reg = <0x00140000 0x00ec0000>; 110*4882a593Smuzhiyun label = "unused"; 111*4882a593Smuzhiyun }; 112*4882a593Smuzhiyun 113*4882a593Smuzhiyun }; 114*4882a593Smuzhiyun}; 115