arch/x86/dts/galileo.dts

   1 /*
   2  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 /dts-v1/;
   8
   9 #include <dt-bindings/mrc/quark.h>
  10 #include <dt-bindings/interrupt-router/intel-irq.h>
  11
  12 /include/ "skeleton.dtsi"
  13 /include/ "rtc.dtsi"
  14 /include/ "tsc_timer.dtsi"
  15
  16 / {
  17         model = "Intel Galileo";
  18         compatible = "intel,galileo", "intel,quark";
  19
  20         aliases {
  21                 spi0 = "/spi";
  22         };
  23
  24         config {
  25                 silent_console = <0>;
  26         };
  27
  28         chosen {
  29                 stdout-path = &pciuart0;
  30         };
  31
  32         tsc-timer {
  33                 clock-frequency = <400000000>;
  34         };
  35
  36         mrc {
  37                 compatible = "intel,quark-mrc";
  38                 flags = <MRC_FLAG_SCRAMBLE_EN>;
  39                 dram-width = <DRAM_WIDTH_X8>;
  40                 dram-speed = <DRAM_FREQ_800>;
  41                 dram-type = <DRAM_TYPE_DDR3>;
  42                 rank-mask = <DRAM_RANK(0)>;
  43                 chan-mask = <DRAM_CHANNEL(0)>;
  44                 chan-width = <DRAM_CHANNEL_WIDTH_X16>;
  45                 addr-mode = <DRAM_ADDR_MODE0>;
  46                 refresh-rate = <DRAM_REFRESH_RATE_785US>;
  47                 sr-temp-range = <DRAM_SRT_RANGE_NORMAL>;
  48                 ron-value = <DRAM_RON_34OHM>;
  49                 rtt-nom-value = <DRAM_RTT_NOM_120OHM>;
  50                 rd-odt-value = <DRAM_RD_ODT_OFF>;
  51                 dram-density = <DRAM_DENSITY_1G>;
  52                 dram-cl = <6>;
  53                 dram-ras = <0x0000927c>;
  54                 dram-wtr = <0x00002710>;
  55                 dram-rrd = <0x00002710>;
  56                 dram-faw = <0x00009c40>;
  57         };
  58
  59         pci {
  60                 #address-cells = <3>;
  61                 #size-cells = <2>;
  62                 compatible = "pci-x86";
  63                 u-boot,dm-pre-reloc;
  64                 ranges = <0x02000000 0x0 0x90000000 0x90000000 0 0x20000000
  65                           0x42000000 0x0 0xb0000000 0xb0000000 0 0x20000000
  66                           0x01000000 0x0 0x2000 0x2000 0 0xe000>;
  67
  68                 pciuart0: uart@14,5 {
  69                         compatible = "pci8086,0936.00",
  70                                         "pci8086,0936",
  71                                         "pciclass,070002",
  72                                         "pciclass,0700",
  73                                         "ns16550";
  74                         u-boot,dm-pre-reloc;
  75                         reg = <0x0000a500 0x0 0x0 0x0 0x0
  76                                0x0200a510 0x0 0x0 0x0 0x0>;
  77                         reg-shift = <2>;
  78                         clock-frequency = <44236800>;
  79                         current-speed = <115200>;
  80                 };
  81
  82                 pch@1f,0 {
  83                         reg = <0x0000f800 0 0 0 0>;
  84                         compatible = "intel,pch7";
  85
  86                         irq-router {
  87                                 compatible = "intel,irq-router";
  88                                 intel,pirq-config = "pci";
  89                                 intel,pirq-link = <0x60 8>;
  90                                 intel,pirq-mask = <0xdef8>;
  91                                 intel,pirq-routing = <
  92                                         PCI_BDF(0, 20, 0) INTA PIRQE
  93                                         PCI_BDF(0, 20, 1) INTB PIRQF
  94                                         PCI_BDF(0, 20, 2) INTC PIRQG
  95                                         PCI_BDF(0, 20, 3) INTD PIRQH
  96                                         PCI_BDF(0, 20, 4) INTA PIRQE
  97                                         PCI_BDF(0, 20, 5) INTB PIRQF
  98                                         PCI_BDF(0, 20, 6) INTC PIRQG
  99                                         PCI_BDF(0, 20, 7) INTD PIRQH
 100                                         PCI_BDF(0, 21, 0) INTA PIRQE
 101                                         PCI_BDF(0, 21, 1) INTB PIRQF
 102                                         PCI_BDF(0, 21, 2) INTC PIRQG
 103                                         PCI_BDF(0, 23, 0) INTA PIRQA
 104                                         PCI_BDF(0, 23, 1) INTB PIRQB
 105
 106                                         /* PCIe root ports downstream interrupts */
 107                                         PCI_BDF(1, 0, 0) INTA PIRQA
 108                                         PCI_BDF(1, 0, 0) INTB PIRQB
 109                                         PCI_BDF(1, 0, 0) INTC PIRQC
 110                                         PCI_BDF(1, 0, 0) INTD PIRQD
 111                                         PCI_BDF(2, 0, 0) INTA PIRQB
 112                                         PCI_BDF(2, 0, 0) INTB PIRQC
 113                                         PCI_BDF(2, 0, 0) INTC PIRQD
 114                                         PCI_BDF(2, 0, 0) INTD PIRQA
 115                                 >;
 116                         };
 117
 118                         spi {
 119                                 #address-cells = <1>;
 120                                 #size-cells = <0>;
 121                                 compatible = "intel,ich-spi";
 122                                 spi-flash@0 {
 123                                         #size-cells = <1>;
 124                                         #address-cells = <1>;
 125                                         reg = <0>;
 126                                         compatible = "winbond,w25q64",
 127                                                 "spi-flash";
 128                                         memory-map = <0xff800000 0x00800000>;
 129                                         rw-mrc-cache {
 130                                                 label = "rw-mrc-cache";
 131                                                 reg = <0x00010000 0x00010000>;
 132                                         };
 133                                 };
 134                         };
 135                 };
 136         };
 137
 138         gpioa {
 139                 compatible = "intel,ich6-gpio";
 140                 u-boot,dm-pre-reloc;
 141                 reg = <0 0x20>;
 142                 bank-name = "A";
 143         };
 144
 145         gpiob {
 146                 compatible = "intel,ich6-gpio";
 147                 u-boot,dm-pre-reloc;
 148                 reg = <0x20 0x20>;
 149                 bank-name = "B";
 150         };
 151
 152 };